#! /bin/sh # # If these # comments don't work, trim them. Don't worry about any other # shell scripts, Configure will trim # comments from them for you. # # (If you are trying to port this package to a machine without sh, # I would suggest you have a look at the prototypical config_h.SH file # and edit it to reflect your system. Some packages may include samples # of config.h for certain machines, so you might look for one of those.) # # Yes, you may rip this off to use in other distribution packages. This # script belongs to the public domain and cannot be copyrighted. # # (Note: this Configure script was generated automatically. 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By that time, hope that 5.6.x is sufficiently # widespread that we can use the built-in version vectors rather # than reinventing them here. For 5.6.0, however, we must # assume this script will likely be run by 5.005_0x. --AD 1/2000. foreach $d (@candidates) { if ($d lt $version) { if ($d ge $api_versionstring) { unshift(@inc_version_list, grep { -d } "$d/$archname", $d); } elsif ($d ge "5.005") { unshift(@inc_version_list, grep { -d } $d); } } else { # Skip newer version. I.e. don't look in # 5.7.0 if we're installing 5.6.1. } } if (@inc_version_list) { print join(' ', @inc_version_list); } else { # Blank space to preserve value for next Configure run. print " "; } EOPL chmod +x getverlist case "$inc_version_list" in '') if test -x "$perl5"; then dflt=`$perl5 getverlist` else dflt='none' fi ;; $undef) dflt='none' ;; *) dflt="$inc_version_list" ;; esac case "$dflt" in ''|' ') dflt=none ;; esac case "$dflt" in 5.005) case "$bincompat5005" in $define|true|[yY]*) ;; *) dflt=none ;; esac ;; esac $cat <<'EOM' In order to ease the process of upgrading, this version of perl can be configured to use modules built and installed with earlier versions of perl that were installed under $prefix. Specify here the list of earlier versions that this version of perl should check. If Configure detected no earlier versions of perl installed under $prefix, then the list will be empty. Answer 'none' to tell perl to not search earlier versions. The default should almost always be sensible, so if you're not sure, just accept the default. EOM rp='List of earlier versions to include in @INC?' . ./myread case "$ans" in [Nn]one|''|' ') inc_version_list=' ' ;; *) inc_version_list="$ans" ;; esac case "$inc_version_list" in ''|' ') inc_version_list_init='0';; *) inc_version_list_init=`echo $inc_version_list | $sed -e 's/^/"/' -e 's/ /","/g' -e 's/$/",0/'` ;; esac $rm -f getverlist : determine whether to install perl also as /usr/bin/perl echo " " if $test -d /usr/bin -a "X$installbin" != X/usr/bin; then $cat <try.c <<'EOM' /* Test for whether ELF binaries are produced */ #include #include int main() { char b[4]; int i = open("a.out",O_RDONLY); if(i == -1) exit(1); /* fail */ if(read(i,b,4)==4 && b[0]==127 && b[1]=='E' && b[2]=='L' && b[3]=='F') exit(0); /* succeed (yes, it's ELF) */ else exit(1); /* fail */ } EOM if $cc $ccflags try.c >/dev/null 2>&1 && ./a.out; then cat <&4 <&4 <&4 <&4 Adding $xxx to the flags passed to $ld so that the perl executable will find the installed shared $libperl. EOM ;; esac ;; esac fi # Fix ccdlflags in AIX for building external extensions. # (For building Perl itself bare -bE:perl.exp is needed, # Makefile.SH takes care of this.) case "$osname" in aix) ccdlflags="$ccdlflags -bE:$installarchlib/CORE/perl.exp" ;; esac # Respect a hint or command-line value. case "$shrpenv" in '') shrpenv="$tmp_shrpenv" ;; esac case "$ldlibpthname" in '') ldlibpthname=LD_LIBRARY_PATH ;; none) ldlibpthname='' ;; esac : determine where manual pages are on this system echo " " case "$sysman" in '') syspath='/usr/man/man1 /usr/man/mann /usr/man/manl /usr/man/local/man1' syspath="$syspath /usr/man/u_man/man1 /usr/share/man/man1" syspath="$syspath /usr/catman/u_man/man1 /usr/man/l_man/man1" syspath="$syspath /usr/local/man/u_man/man1 /usr/local/man/l_man/man1" syspath="$syspath /usr/man/man.L /local/man/man1 /usr/local/man/man1" sysman=`./loc . /usr/man/man1 $syspath` ;; esac if $test -d "$sysman"; then echo "System manual is in $sysman." >&4 else echo "Could not find manual pages in source form." >&4 fi : determine where manual pages go set man1dir man1dir none eval $prefixit $cat <$first) 2>/dev/null; then if $test -f 123456789abcde; then echo 'You cannot have filenames longer than 14 characters. Sigh.' >&4 val="$undef" else echo 'You can have filenames longer than 14 characters.'>&4 val="$define" fi else $cat <<'EOM' You can't have filenames longer than 14 chars. You can't even think about them! EOM val="$undef" fi set d_flexfnam eval $setvar $rm -rf 123456789abcde* : determine where library module manual pages go set man3dir man3dir none eval $prefixit $cat <&4 WARNING: Previous versions of perl installed man3 pages into $privlib/man/man3. This version will suggest a new default of $dflt. EOM tdflt=$dflt dflt='n' rp='Do you wish to preserve the old behavior?(y/n)' . ./myread case "$ans" in y*) dflt="$privlib/man/man3" ;; *) dflt=$tdflt ;; esac fi ;; *) dflt="$man3dir" ;; esac case "$dflt" in ' ') dflt=none ;; esac echo " " fn=dn+~ rp="Where do the $package library man pages (source) go?" . ./getfile man3dir="$ans" man3direxp="$ansexp" case "$man3dir" in '') man3dir=' ' installman3dir='';; esac : Change installation prefix, if necessary. if $test X"$prefix" != X"$installprefix"; then installman3dir=`echo $man3direxp | $sed "s#^$prefix#$installprefix#"` else installman3dir="$man3direxp" fi : What suffix to use on installed man pages case "$man3dir" in ' ') man3ext='0' ;; *) rp="What suffix should be used for the $package library man pages?" case "$man3ext" in '') case "$man3dir" in *3) dflt=3 ;; *3p) dflt=3p ;; *3pm) dflt=3pm ;; *l) dflt=l;; *n) dflt=n;; *o) dflt=o;; *p) dflt=p;; *C) dflt=C;; *L) dflt=L;; *L3) dflt=L3;; *) dflt=3;; esac ;; *) dflt="$man3ext";; esac . ./myread man3ext="$ans" ;; esac : see if we have to deal with yellow pages, now NIS. if $test -d /usr/etc/yp || $test -d /etc/yp; then if $test -f /usr/etc/nibindd; then echo " " echo "I'm fairly confident you're on a NeXT." echo " " rp='Do you get the hosts file via NetInfo?' dflt=y case "$hostcat" in nidump*) ;; '') ;; *) dflt=n;; esac . ./myread case "$ans" in y*) hostcat='nidump hosts .';; *) case "$hostcat" in nidump*) hostcat='';; esac ;; esac fi case "$hostcat" in nidump*) ;; *) case "$hostcat" in *ypcat*) dflt=y;; '') if $contains '^\+' /etc/passwd >/dev/null 2>&1; then dflt=y else dflt=n fi;; *) dflt=n;; esac echo " " rp='Are you getting the hosts file via yellow pages?' . ./myread case "$ans" in y*) hostcat='ypcat hosts';; *) hostcat='cat /etc/hosts';; esac ;; esac fi case "$hostcat" in '') test -f /etc/hosts && hostcat='cat /etc/hosts';; esac case "$groupcat" in '') test -f /etc/group && groupcat='cat /etc/group';; esac case "$passcat" in '') test -f /etc/passwd && passcat='cat /etc/passwd';; esac : now get the host name echo " " echo "Figuring out host name..." >&4 case "$myhostname" in '') cont=true echo 'Maybe "hostname" will work...' if tans=`sh -c hostname 2>&1` ; then myhostname=$tans phostname=hostname cont='' fi ;; *) cont='';; esac if $test "$cont"; then if ./xenix; then echo 'Oh, dear. Maybe "/etc/systemid" is the key...' if tans=`cat /etc/systemid 2>&1` ; then myhostname=$tans phostname='cat /etc/systemid' echo "Whadyaknow. Xenix always was a bit strange..." cont='' fi elif $test -r /etc/systemid; then echo "(What is a non-Xenix system doing with /etc/systemid?)" fi fi if $test "$cont"; then echo 'No, maybe "uuname -l" will work...' if tans=`sh -c 'uuname -l' 2>&1` ; then myhostname=$tans phostname='uuname -l' else echo 'Strange. Maybe "uname -n" will work...' if tans=`sh -c 'uname -n' 2>&1` ; then myhostname=$tans phostname='uname -n' else echo 'Oh well, maybe I can mine it out of whoami.h...' if tans=`sh -c $contains' sysname $usrinc/whoami.h' 2>&1` ; then myhostname=`echo "$tans" | $sed 's/^.*"\(.*\)"/\1/'` phostname="sed -n -e '"'/sysname/s/^.*\"\\(.*\\)\"/\1/{'"' -e p -e q -e '}' <$usrinc/whoami.h" else case "$myhostname" in '') echo "Does this machine have an identity crisis or something?" phostname='';; *) echo "Well, you said $myhostname before..." phostname='echo $myhostname';; esac fi fi fi fi : you do not want to know about this set $myhostname myhostname=$1 : verify guess if $test "$myhostname" ; then dflt=y rp='Your host name appears to be "'$myhostname'".'" Right?" . ./myread case "$ans" in y*) ;; *) myhostname='';; esac fi : bad guess or no guess while $test "X$myhostname" = X ; do dflt='' rp="Please type the (one word) name of your host:" . ./myread myhostname="$ans" done : translate upper to lower if necessary case "$myhostname" in *[A-Z]*) echo "(Normalizing case in your host name)" myhostname=`echo $myhostname | ./tr '[A-Z]' '[a-z]'` ;; esac case "$myhostname" in *.*) dflt=`expr "X$myhostname" : "X[^.]*\(\..*\)"` myhostname=`expr "X$myhostname" : "X\([^.]*\)\."` echo "(Trimming domain name from host name--host name is now $myhostname)" ;; *) case "$mydomain" in '') { test "X$hostcat" = "Xypcat hosts" && ypmatch "$myhostname" hosts 2>/dev/null |\ $sed -e 's/[ ]*#.*//; s/$/ /' > hosts && \ $test -s hosts } || { test "X$hostcat" != "X" && $hostcat | $sed -n -e "s/[ ]*#.*//; s/\$/ / /[ ]$myhostname[ . ]/p" > hosts } tmp_re="[ . ]" if $test -f hosts; then $test x`$awk "/[0-9].*[ ]$myhostname$tmp_re/ { sum++ } END { print sum }" hosts` = x1 || tmp_re="[ ]" dflt=.`$awk "/[0-9].*[ ]$myhostname$tmp_re/ {for(i=2; i<=NF;i++) print \\\$i}" \ hosts | $sort | $uniq | \ $sed -n -e "s/$myhostname\.\([-a-zA-Z0-9_.]\)/\1/p"` case `$echo X$dflt` in X*\ *) echo "(Several hosts in the database matched hostname)" dflt=. ;; X.) echo "(You do not have fully-qualified names in the hosts database)" ;; esac else echo "(I cannot locate a hosts database anywhere)" dflt=. fi case "$dflt" in .) tans=`./loc resolv.conf X /etc /usr/etc` if $test -f "$tans"; then echo "(Attempting domain name extraction from $tans)" dflt=.`$sed -n -e 's/ / /g' \ -e 's/^search *\([^ ]*\).*/\1/p' $tans \ | ./tr '[A-Z]' '[a-z]' 2>/dev/null` case "$dflt" in .) dflt=.`$sed -n -e 's/ / /g' \ -e 's/^domain *\([^ ]*\).*/\1/p' $tans \ | ./tr '[A-Z]' '[a-z]' 2>/dev/null` ;; esac fi ;; esac case "$dflt" in .) echo "(No help from resolv.conf either -- attempting clever guess)" dflt=.`sh -c domainname 2>/dev/null` case "$dflt" in '') dflt='.';; .nis.*|.yp.*|.main.*) dflt=`echo $dflt | $sed -e 's/^\.[^.]*//'`;; esac ;; esac case "$dflt$osname" in .os390) echo "(Attempting domain name extraction from //'SYS1.TCPPARMS(TCPDATA)')" dflt=.`awk '/^DOMAINORIGIN/ {print $2}' "//'SYS1.TCPPARMS(TCPDATA)'" 2>/dev/null` ;; esac case "$dflt" in .) echo "(Lost all hope -- silly guess then)" dflt='.uucp' ;; esac $rm -f hosts ;; *) dflt="$mydomain";; esac;; esac echo " " rp="What is your domain name?" . ./myread tans="$ans" case "$ans" in '') ;; .*) ;; *) tans=".$tans";; esac mydomain="$tans" : translate upper to lower if necessary case "$mydomain" in *[A-Z]*) echo "(Normalizing case in your domain name)" mydomain=`echo $mydomain | ./tr '[A-Z]' '[a-z]'` ;; esac : a little sanity check here case "$phostname" in '') ;; *) case `$phostname | ./tr '[A-Z]' '[a-z]'` in $myhostname$mydomain|$myhostname) ;; *) case "$phostname" in sed*) echo "(That doesn't agree with your whoami.h file, by the way.)" ;; *) echo "(That doesn't agree with your $phostname command, by the way.)" ;; esac ;; esac ;; esac $cat <&4 <. Versions 5.003_02 and later of perl allow alternate IO mechanisms via a "PerlIO" abstraction, but the stdio mechanism is still the default. This abstraction layer can use AT&T's sfio (if you already have sfio installed) or regular stdio. Using PerlIO with sfio may cause problems with some extension modules. Using PerlIO with stdio is safe, but it is slower than plain stdio and therefore is not the default. If this doesn't make any sense to you, just accept the default '$dflt'. EOM rp='Use the experimental PerlIO abstraction layer?' . ./myread case "$ans" in y|Y) val="$define" ;; *) echo "Ok, doing things the stdio way" val="$undef" ;; esac set useperlio eval $setvar case "$vendorprefix" in '') d_vendorbin="$undef" vendorbin='' vendorbinexp='' ;; *) d_vendorbin="$define" : determine where vendor-supplied executables go. case "$vendorbin" in '') dflt=$vendorprefix/bin ;; *) dflt="$vendorbin" ;; esac fn=d~+ rp='Pathname for the vendor-supplied executables directory?' . ./getfile vendorbin="$ans" vendorbinexp="$ansexp" ;; esac : Change installation prefix, if necessary. if $test X"$prefix" != X"$installprefix"; then installvendorbin=`echo $vendorbinexp | $sed "s#^$prefix#$installprefix#"` else installvendorbin="$vendorbinexp" fi : see if qgcvt exists set qgcvt d_qgcvt eval $inlibc echo " " if $test X"$d_longdbl" = X"$define"; then echo "Checking how to print long doubles..." >&4 if $test X"$sPRIfldbl" = X -a X"$doublesize" = X"$longdblsize"; then $cat >try.c <<'EOCP' #include #include int main() { double d = 123.456; printf("%.3f\n", d); } EOCP set try if eval $compile; then yyy=`./try$exe_ext` case "$yyy" in 123.456) sPRIfldbl='"f"'; sPRIgldbl='"g"'; sPRIeldbl='"e"'; sPRIFUldbl='"F"'; sPRIGUldbl='"G"'; sPRIEUldbl='"E"'; echo "We will use %f." ;; esac fi fi if $test X"$sPRIfldbl" = X; then $cat >try.c <<'EOCP' #include #include int main() { long double d = 123.456; printf("%.3llf\n", d); } EOCP set try if eval $compile; then yyy=`./try$exe_ext` case "$yyy" in 123.456) sPRIfldbl='"llf"'; sPRIgldbl='"llg"'; sPRIeldbl='"lle"'; sPRIFUldbl='"llF"'; sPRIGUldbl='"llG"'; sPRIEUldbl='"llE"'; echo "We will use %llf." ;; esac fi fi if $test X"$sPRIfldbl" = X; then $cat >try.c <<'EOCP' #include #include int main() { long double d = 123.456; printf("%.3Lf\n", d); } EOCP set try if eval $compile; then yyy=`./try$exe_ext` case "$yyy" in 123.456) sPRIfldbl='"Lf"'; sPRIgldbl='"Lg"'; sPRIeldbl='"Le"'; sPRIFUldbl='"LF"'; sPRIGUldbl='"LG"'; sPRIEUldbl='"LE"'; echo "We will use %Lf." ;; esac fi fi if $test X"$sPRIfldbl" = X; then $cat >try.c <<'EOCP' #include #include int main() { long double d = 123.456; printf("%.3lf\n", d); } EOCP set try if eval $compile; then yyy=`./try$exe_ext` case "$yyy" in 123.456) sPRIfldbl='"lf"'; sPRIgldbl='"lg"'; sPRIeldbl='"le"'; sPRIFUldbl='"lF"'; sPRIGUldbl='"lG"'; sPRIEUldbl='"lE"'; echo "We will use %lf." ;; esac fi fi if $test X"$sPRIfldbl" = X; then echo "Cannot figure out how to print long doubles." >&4 else sSCNfldbl=$sPRIfldbl # expect consistency fi $rm -f try try.* fi # d_longdbl case "$sPRIfldbl" in '') d_PRIfldbl="$undef"; d_PRIgldbl="$undef"; d_PRIeldbl="$undef"; d_PRIFUldbl="$undef"; d_PRIGUldbl="$undef"; d_PRIEUldbl="$undef"; d_SCNfldbl="$undef"; ;; *) d_PRIfldbl="$define"; d_PRIgldbl="$define"; d_PRIeldbl="$define"; d_PRIFUldbl="$define"; d_PRIGUldbl="$define"; d_PRIEUldbl="$define"; d_SCNfldbl="$define"; ;; esac : Check how to convert floats to strings. echo " " echo "Checking for an efficient way to convert floats to strings." echo " " > try.c case "$uselongdouble" in "$define") echo "#define USE_LONG_DOUBLE" >>try.c ;; esac case "$d_longdbl" in "$define") echo "#define HAS_LONG_DOUBLE" >>try.c ;; esac case "$d_PRIgldbl" in "$define") echo "#define HAS_PRIgldbl" >>try.c ;; esac $cat >>try.c < #define I_STDLIB $i_stdlib #ifdef I_STDLIB #include #endif int checkit(expect, got) char *expect; char *got; { if (strcmp(expect, got)) { printf("%s oddity: Expected %s, got %s\n", myname, expect, got); exit(1); } } int main() { char buf[64]; buf[63] = '\0'; /* This must be 1st test on (which?) platform */ /* Alan Burlison */ Gconvert((DOUBLETYPE)0.1, 8, 0, buf); checkit("0.1", buf); Gconvert((DOUBLETYPE)1.0, 8, 0, buf); checkit("1", buf); Gconvert((DOUBLETYPE)1.1, 8, 0, buf); checkit("1.1", buf); Gconvert((DOUBLETYPE)1.01, 8, 0, buf); checkit("1.01", buf); Gconvert((DOUBLETYPE)1.001, 8, 0, buf); checkit("1.001", buf); Gconvert((DOUBLETYPE)1.0001, 8, 0, buf); checkit("1.0001", buf); Gconvert((DOUBLETYPE)1.00001, 8, 0, buf); checkit("1.00001", buf); Gconvert((DOUBLETYPE)1.000001, 8, 0, buf); checkit("1.000001", buf); Gconvert((DOUBLETYPE)0.0, 8, 0, buf); checkit("0", buf); Gconvert((DOUBLETYPE)-1.0, 8, 0, buf); checkit("-1", buf); /* Some Linux gcvt's give 1.e+5 here. */ Gconvert((DOUBLETYPE)100000.0, 8, 0, buf); checkit("100000", buf); /* Some Linux gcvt's give -1.e+5 here. */ Gconvert((DOUBLETYPE)-100000.0, 8, 0, buf); checkit("-100000", buf); Gconvert((DOUBLETYPE)123.456, 8, 0, buf); checkit("123.456", buf); exit(0); } EOP case "$d_Gconvert" in gconvert*) xxx_list='gconvert gcvt sprintf' ;; gcvt*) xxx_list='gcvt gconvert sprintf' ;; sprintf*) xxx_list='sprintf gconvert gcvt' ;; *) xxx_list='gconvert gcvt sprintf' ;; esac case "$d_longdbl$uselongdouble$d_PRIgldbl" in "$define$define$define") # for long doubles prefer first qgcvt, then sprintf xxx_list="`echo $xxx_list|sed s/sprintf//`" xxx_list="sprintf $xxx_list" case "$d_qgcvt" in "$define") xxx_list="qgcvt $xxx_list" ;; esac ;; esac for xxx_convert in $xxx_list; do echo "Trying $xxx_convert..." $rm -f try try$_o set try -DTRY_$xxx_convert if eval $compile; then echo "$xxx_convert() found." >&4 if ./try; then echo "I'll use $xxx_convert to convert floats into a string." >&4 break; else echo "...But $xxx_convert didn't work as I expected." fi else echo "$xxx_convert NOT found." >&4 fi done case "$xxx_convert" in gconvert) d_Gconvert='gconvert((x),(n),(t),(b))' ;; gcvt) d_Gconvert='gcvt((x),(n),(b))' ;; qgcvt) d_Gconvert='qgcvt((x),(n),(b))' ;; *) case "$uselongdouble$d_longdbl$d_PRIgldbl" in "$define$define$define") d_Gconvert="sprintf((b),\"%.*\"$sPRIgldbl,(n),(x))" ;; *) d_Gconvert='sprintf((b),"%.*g",(n),(x))' ;; esac ;; esac : see if _fwalk exists set fwalk d__fwalk eval $inlibc : Initialize h_fcntl h_fcntl=false : Initialize h_sysfile h_sysfile=false : access call always available on UNIX set access d_access eval $inlibc : locate the flags for 'access()' case "$d_access" in "$define") echo " " $cat >access.c <<'EOCP' #include #ifdef I_FCNTL #include #endif #ifdef I_SYS_FILE #include #endif #ifdef I_UNISTD #include #endif int main() { exit(R_OK); } EOCP : check sys/file.h first, no particular reason here if $test `./findhdr sys/file.h` && \ $cc -o access $cppflags -DI_SYS_FILE access.c >/dev/null 2>&1 ; then h_sysfile=true; echo " defines the *_OK access constants." >&4 elif $test `./findhdr fcntl.h` && \ $cc -o access $cppflags -DI_FCNTL access.c >/dev/null 2>&1 ; then h_fcntl=true; echo " defines the *_OK access constants." >&4 elif $test `./findhdr unistd.h` && \ $cc -o access $cppflags -DI_UNISTD access.c >/dev/null 2>&1 ; then echo " defines the *_OK access constants." >&4 else echo "I can't find the four *_OK access constants--I'll use mine." >&4 fi ;; esac $rm -f access* : see if accessx exists set accessx d_accessx eval $inlibc : see if alarm exists set alarm d_alarm eval $inlibc : see if atolf exists set atolf d_atolf eval $inlibc : see if atoll exists set atoll d_atoll eval $inlibc : Look for GNU-cc style attribute checking echo " " echo "Checking whether your compiler can handle __attribute__ ..." >&4 $cat >attrib.c <<'EOCP' #include void croak (char* pat,...) __attribute__((format(printf,1,2),noreturn)); EOCP if $cc $ccflags -c attrib.c >attrib.out 2>&1 ; then if $contains 'warning' attrib.out >/dev/null 2>&1; then echo "Your C compiler doesn't fully support __attribute__." val="$undef" else echo "Your C compiler supports __attribute__." val="$define" fi else echo "Your C compiler doesn't seem to understand __attribute__ at all." val="$undef" fi set d_attribut eval $setvar $rm -f attrib* : see if bcmp exists set bcmp d_bcmp eval $inlibc : see if bcopy exists set bcopy d_bcopy eval $inlibc : see if this is a unistd.h system set unistd.h i_unistd eval $inhdr : see if getpgrp exists set getpgrp d_getpgrp eval $inlibc case "$d_getpgrp" in "$define") echo " " echo "Checking to see which flavor of getpgrp is in use..." $cat >set.c < #ifdef I_UNISTD # include #endif int main() { if (getuid() == 0) { printf("(I see you are running Configure as super-user...)\n"); setuid(1); } #ifdef TRY_BSD_PGRP if (getpgrp(1) == 0) exit(0); #else if (getpgrp() > 0) exit(0); #endif exit(1); } EOP if $cc -o set -DTRY_BSD_PGRP $ccflags $ldflags set.c $libs >/dev/null 2>&1 && ./set; then echo "You have to use getpgrp(pid) instead of getpgrp()." >&4 val="$define" elif $cc -o set $ccflags $ldflags set.c $libs >/dev/null 2>&1 && ./set; then echo "You have to use getpgrp() instead of getpgrp(pid)." >&4 val="$undef" else echo "I can't seem to compile and run the test program." if ./usg; then xxx="a USG one, i.e. you use getpgrp()." else # SVR4 systems can appear rather BSD-ish. case "$i_unistd" in $undef) xxx="a BSD one, i.e. you use getpgrp(pid)." val="$define" ;; $define) xxx="probably a USG one, i.e. you use getpgrp()." val="$undef" ;; esac fi echo "Assuming your getpgrp is $xxx" >&4 fi ;; *) val="$undef";; esac set d_bsdgetpgrp eval $setvar $rm -f set set.c : see if setpgrp exists set setpgrp d_setpgrp eval $inlibc case "$d_setpgrp" in "$define") echo " " echo "Checking to see which flavor of setpgrp is in use..." $cat >set.c < #ifdef I_UNISTD # include #endif int main() { if (getuid() == 0) { printf("(I see you are running Configure as super-user...)\n"); setuid(1); } #ifdef TRY_BSD_PGRP if (-1 == setpgrp(1, 1)) exit(0); #else if (setpgrp() != -1) exit(0); #endif exit(1); } EOP if $cc -o set -DTRY_BSD_PGRP $ccflags $ldflags set.c $libs >/dev/null 2>&1 && ./set; then echo 'You have to use setpgrp(pid,pgrp) instead of setpgrp().' >&4 val="$define" elif $cc -o set $ccflags $ldflags set.c $libs >/dev/null 2>&1 && ./set; then echo 'You have to use setpgrp() instead of setpgrp(pid,pgrp).' >&4 val="$undef" else echo "(I can't seem to compile and run the test program.)" if ./usg; then xxx="a USG one, i.e. you use setpgrp()." else # SVR4 systems can appear rather BSD-ish. case "$i_unistd" in $undef) xxx="a BSD one, i.e. you use setpgrp(pid,pgrp)." val="$define" ;; $define) xxx="probably a USG one, i.e. you use setpgrp()." val="$undef" ;; esac fi echo "Assuming your setpgrp is $xxx" >&4 fi ;; *) val="$undef";; esac set d_bsdsetpgrp eval $setvar $rm -f set set.c : see if bzero exists set bzero d_bzero eval $inlibc : see if signal is declared as pointer to function returning int or void echo " " xxx=`./findhdr signal.h` $test "$xxx" && $cppstdin $cppminus $cppflags < $xxx >$$.tmp 2>/dev/null if $contains 'int.*\*[ ]*signal' $$.tmp >/dev/null 2>&1 ; then echo "You have int (*signal())() instead of void." >&4 val="$undef" elif $contains 'void.*\*[ ]*signal' $$.tmp >/dev/null 2>&1 ; then echo "You have void (*signal())()." >&4 val="$define" elif $contains 'extern[ ]*[(\*]*signal' $$.tmp >/dev/null 2>&1 ; then echo "You have int (*signal())() instead of void." >&4 val="$undef" elif $contains 'void.*\*.*sig' $$.tmp >/dev/null 2>&1 ; then echo "You have void (*signal())()." >&4 val="$define" else case "$d_voidsig" in '') echo "I can't determine whether signal handler returns void or int..." >&4 dflt=void rp="What type does your signal handler return?" . ./myread case "$ans" in v*) val="$define";; *) val="$undef";; esac;; "$define") echo "As you already told me, signal handler returns void." >&4 val="$define" ;; *) echo "As you already told me, signal handler returns int." >&4 val="$undef" ;; esac fi set d_voidsig eval $setvar case "$d_voidsig" in "$define") signal_t="void";; *) signal_t="int";; esac $rm -f $$.tmp : check for ability to cast large floats to 32-bit ints. echo " " echo 'Checking whether your C compiler can cast large floats to int32.' >&4 if $test "$intsize" -ge 4; then xxx=int else xxx=long fi $cat >try.c < #include #include $signal_t blech(s) int s; { exit(3); } int main() { $xxx i32; double f, g; int result = 0; char str[16]; signal(SIGFPE, blech); /* Don't let compiler optimize the test away. Store the number in a writable string for gcc to pass to sscanf under HP/UX. */ sprintf(str, "2147483647"); sscanf(str, "%lf", &f); /* f = (double) 0x7fffffff; */ g = 10 * f; i32 = ($xxx) g; /* x86 processors will probably give 0x8000 0000, which is a sign change. We don't want that. We want to mimic SPARC behavior here, which is to preserve the sign and give back 0x7fff ffff. */ if (i32 != ($xxx) f) result |= 1; exit(result); } EOCP set try if eval $compile_ok; then ./try yyy=$? else echo "(I can't seem to compile the test program--assuming it can't)" yyy=1 fi case "$yyy" in 0) val="$define" echo "Yup, it can." ;; *) val="$undef" echo "Nope, it can't." ;; esac set d_casti32 eval $setvar $rm -f try try.* : check for ability to cast negative floats to unsigned echo " " echo 'Checking whether your C compiler can cast negative float to unsigned.' >&4 $cat >try.c < #include #include $signal_t blech(s) int s; { exit(7); } $signal_t blech_in_list(s) int s; { exit(4); } unsigned long dummy_long(p) unsigned long p; { return p; } unsigned int dummy_int(p) unsigned int p; { return p; } unsigned short dummy_short(p) unsigned short p; { return p; } int main() { double f; unsigned long along; unsigned int aint; unsigned short ashort; int result = 0; char str[16]; /* Frustrate gcc-2.7.2's optimizer which failed this test with a direct f = -123. assignment. gcc-2.8.0 reportedly optimized the whole file away */ /* Store the number in a writable string for gcc to pass to sscanf under HP/UX. */ sprintf(str, "-123"); sscanf(str, "%lf", &f); /* f = -123.; */ signal(SIGFPE, blech); along = (unsigned long)f; aint = (unsigned int)f; ashort = (unsigned short)f; if (along != (unsigned long)-123) result |= 1; if (aint != (unsigned int)-123) result |= 1; if (ashort != (unsigned short)-123) result |= 1; sprintf(str, "1073741824."); sscanf(str, "%lf", &f); /* f = (double)0x40000000; */ f = f + f; along = 0; along = (unsigned long)f; if (along != 0x80000000) result |= 2; f -= 1.; along = 0; along = (unsigned long)f; if (along != 0x7fffffff) result |= 1; f += 2.; along = 0; along = (unsigned long)f; if (along != 0x80000001) result |= 2; if (result) exit(result); signal(SIGFPE, blech_in_list); sprintf(str, "123."); sscanf(str, "%lf", &f); /* f = 123.; */ along = dummy_long((unsigned long)f); aint = dummy_int((unsigned int)f); ashort = dummy_short((unsigned short)f); if (along != (unsigned long)123) result |= 4; if (aint != (unsigned int)123) result |= 4; if (ashort != (unsigned short)123) result |= 4; exit(result); } EOCP set try if eval $compile_ok; then ./try castflags=$? else echo "(I can't seem to compile the test program--assuming it can't)" castflags=7 fi case "$castflags" in 0) val="$define" echo "Yup, it can." ;; *) val="$undef" echo "Nope, it can't." ;; esac set d_castneg eval $setvar $rm -f try.* : see if vprintf exists echo " " if set vprintf val -f d_vprintf; eval $csym; $val; then echo 'vprintf() found.' >&4 val="$define" $cat >vprintf.c <<'EOF' #include int main() { xxx("foo"); } xxx(va_alist) va_dcl { va_list args; char buf[10]; va_start(args); exit((unsigned long)vsprintf(buf,"%s",args) > 10L); } EOF set vprintf if eval $compile && ./vprintf; then echo "Your vsprintf() returns (int)." >&4 val2="$undef" else echo "Your vsprintf() returns (char*)." >&4 val2="$define" fi else echo 'vprintf() NOT found.' >&4 val="$undef" val2="$undef" fi set d_vprintf eval $setvar val=$val2 set d_charvspr eval $setvar : see if chown exists set chown d_chown eval $inlibc : see if chroot exists set chroot d_chroot eval $inlibc : see if chsize exists set chsize d_chsize eval $inlibc : check for const keyword echo " " echo 'Checking to see if your C compiler knows about "const"...' >&4 $cat >const.c <<'EOCP' typedef struct spug { int drokk; } spug; int main() { const char *foo; const spug y; } EOCP if $cc -c $ccflags const.c >/dev/null 2>&1 ; then val="$define" echo "Yup, it does." else val="$undef" echo "Nope, it doesn't." fi set d_const eval $setvar : see if crypt exists echo " " if set crypt val -f d_crypt; eval $csym; $val; then echo 'crypt() found.' >&4 val="$define" cryptlib='' else cryptlib=`./loc Slibcrypt$_a "" $xlibpth` if $test -z "$cryptlib"; then cryptlib=`./loc Mlibcrypt$_a "" $xlibpth` else cryptlib=-lcrypt fi if $test -z "$cryptlib"; then cryptlib=`./loc Llibcrypt$_a "" $xlibpth` else cryptlib=-lcrypt fi if $test -z "$cryptlib"; then cryptlib=`./loc libcrypt$_a "" $libpth` else cryptlib=-lcrypt fi if $test -z "$cryptlib"; then echo 'crypt() NOT found.' >&4 val="$undef" else val="$define" fi fi set d_crypt eval $setvar : get csh whereabouts case "$csh" in 'csh') val="$undef" ;; *) val="$define" ;; esac set d_csh eval $setvar : Respect a hint or command line value for full_csh. case "$full_csh" in '') full_csh=$csh ;; esac : see if cuserid exists set cuserid d_cuserid eval $inlibc : see if this is a limits.h system set limits.h i_limits eval $inhdr : see if this is a float.h system set float.h i_float eval $inhdr : See if number of significant digits in a double precision number is known echo " " $cat >dbl_dig.c < #endif #ifdef I_FLOAT #include #endif #ifdef DBL_DIG printf("Contains DBL_DIG"); #endif EOM $cppstdin $cppflags $cppminus < dbl_dig.c >dbl_dig.E 2>/dev/null if $contains 'DBL_DIG' dbl_dig.E >/dev/null 2>&1; then echo "DBL_DIG found." >&4 val="$define" else echo "DBL_DIG NOT found." >&4 val="$undef" fi $rm -f dbl_dig.? set d_dbl_dig eval $setvar : see if difftime exists set difftime d_difftime eval $inlibc : see if this is a dirent system echo " " if xinc=`./findhdr dirent.h`; $test "$xinc"; then val="$define" echo " found." >&4 else val="$undef" if xinc=`./findhdr sys/dir.h`; $test "$xinc"; then echo " found." >&4 echo " " else xinc=`./findhdr sys/ndir.h` fi echo " NOT found." >&4 fi set i_dirent eval $setvar : Look for type of directory structure. echo " " $cppstdin $cppflags $cppminus < "$xinc" > try.c case "$direntrytype" in ''|' ') case "$i_dirent" in $define) guess1='struct dirent' ;; *) guess1='struct direct' ;; esac ;; *) guess1="$direntrytype" ;; esac case "$guess1" in 'struct dirent') guess2='struct direct' ;; *) guess2='struct dirent' ;; esac if $contains "$guess1" try.c >/dev/null 2>&1; then direntrytype="$guess1" echo "Your directory entries are $direntrytype." >&4 elif $contains "$guess2" try.c >/dev/null 2>&1; then direntrytype="$guess2" echo "Your directory entries seem to be $direntrytype." >&4 else echo "I don't recognize your system's directory entries." >&4 rp="What type is used for directory entries on this system?" dflt="$guess1" . ./myread direntrytype="$ans" fi $rm -f try.c : see if the directory entry stores field length echo " " $cppstdin $cppflags $cppminus < "$xinc" > try.c if $contains 'd_namlen' try.c >/dev/null 2>&1; then echo "Good, your directory entry keeps length information in d_namlen." >&4 val="$define" else echo "Your directory entry does not know about the d_namlen field." >&4 val="$undef" fi set d_dirnamlen eval $setvar $rm -f try.c : see if dlerror exists xxx_runnm="$runnm" runnm=false set dlerror d_dlerror eval $inlibc runnm="$xxx_runnm" : see if dlfcn is available set dlfcn.h i_dlfcn eval $inhdr case "$usedl" in $define|y|true) $cat << EOM On a few systems, the dynamically loaded modules that perl generates and uses will need a different extension than shared libs. The default will probably be appropriate. EOM case "$dlext" in '') dflt="$so" ;; *) dflt="$dlext" ;; esac rp='What is the extension of dynamically loaded modules' . ./myread dlext="$ans" ;; *) dlext="none" ;; esac : Check if dlsym need a leading underscore echo " " val="$undef" case "$dlsrc" in dl_dlopen.xs) echo "Checking whether your dlsym() needs a leading underscore ..." >&4 $cat >dyna.c <<'EOM' fred () { } EOM $cat >fred.c< #$i_dlfcn I_DLFCN #ifdef I_DLFCN #include /* the dynamic linker include file for Sunos/Solaris */ #else #include #include #include #endif extern int fred() ; int main() { void * handle ; void * symbol ; #ifndef RTLD_LAZY int mode = 1 ; #else int mode = RTLD_LAZY ; #endif handle = dlopen("./dyna.$dlext", mode) ; if (handle == NULL) { printf ("1\n") ; fflush (stdout) ; exit(0); } symbol = dlsym(handle, "fred") ; if (symbol == NULL) { /* try putting a leading underscore */ symbol = dlsym(handle, "_fred") ; if (symbol == NULL) { printf ("2\n") ; fflush (stdout) ; exit(0); } printf ("3\n") ; } else printf ("4\n") ; fflush (stdout) ; exit(0); } EOM : Call the object file tmp-dyna.o in case dlext=o. if $cc $ccflags $cccdlflags -c dyna.c > /dev/null 2>&1 && mv dyna${_o} tmp-dyna${_o} > /dev/null 2>&1 && $ld -o dyna.$dlext $lddlflags tmp-dyna${_o} > /dev/null 2>&1 && $cc -o fred $ccflags $ldflags $cccdlflags $ccdlflags fred.c $libs > /dev/null 2>&1; then xxx=`./fred` case $xxx in 1) echo "Test program failed using dlopen." >&4 echo "Perhaps you should not use dynamic loading." >&4;; 2) echo "Test program failed using dlsym." >&4 echo "Perhaps you should not use dynamic loading." >&4;; 3) echo "dlsym needs a leading underscore" >&4 val="$define" ;; 4) echo "dlsym doesn't need a leading underscore." >&4;; esac else echo "I can't compile and run the test program." >&4 echo "I'm guessing that dlsym doesn't need a leading underscore." >&4 fi ;; esac $rm -f fred fred.? dyna.$dlext dyna.? tmp-dyna.? set d_dlsymun eval $setvar hasproto='varname=$1; func=$2; shift; shift; while $test $# -ge 2; do case "$1" in $define) echo "#include <$2>";; esac ; shift 2; done > try.c; $cppstdin $cppflags $cppminus < try.c > tryout.c 2>/dev/null; if $contains "$func.*(" tryout.c >/dev/null 2>&1; then echo "$func() prototype found."; val="$define"; else echo "$func() prototype NOT found."; val="$undef"; fi; set $varname; eval $setvar; $rm -f try.c tryout.c' : see if prototype for drand48 is available echo " " set d_drand48proto drand48 $i_stdlib stdlib.h $i_unistd unistd.h eval $hasproto : see if dup2 exists set dup2 d_dup2 eval $inlibc : see if eaccess exists set eaccess d_eaccess eval $inlibc : see if endgrent exists set endgrent d_endgrent eval $inlibc : see if endhostent exists set endhostent d_endhent eval $inlibc : see if endnetent exists set endnetent d_endnent eval $inlibc : see if endprotoent exists set endprotoent d_endpent eval $inlibc : see if endpwent exists set endpwent d_endpwent eval $inlibc : see if endservent exists set endservent d_endsent eval $inlibc : Locate the flags for 'open()' echo " " $cat >open3.c <<'EOCP' #include #ifdef I_FCNTL #include #endif #ifdef I_SYS_FILE #include #endif int main() { if(O_RDONLY); #ifdef O_TRUNC exit(0); #else exit(1); #endif } EOCP : check sys/file.h first to get FREAD on Sun if $test `./findhdr sys/file.h` && \ set open3 -DI_SYS_FILE && eval $compile; then h_sysfile=true; echo " defines the O_* constants..." >&4 if ./open3; then echo "and you have the 3 argument form of open()." >&4 val="$define" else echo "but not the 3 argument form of open(). Oh, well." >&4 val="$undef" fi elif $test `./findhdr fcntl.h` && \ set open3 -DI_FCNTL && eval $compile; then h_fcntl=true; echo " defines the O_* constants..." >&4 if ./open3; then echo "and you have the 3 argument form of open()." >&4 val="$define" else echo "but not the 3 argument form of open(). Oh, well." >&4 val="$undef" fi else val="$undef" echo "I can't find the O_* constant definitions! You got problems." >&4 fi set d_open3 eval $setvar $rm -f open3* : see which of string.h or strings.h is needed echo " " strings=`./findhdr string.h` if $test "$strings" && $test -r "$strings"; then echo "Using instead of ." >&4 val="$define" else val="$undef" strings=`./findhdr strings.h` if $test "$strings" && $test -r "$strings"; then echo "Using instead of ." >&4 else echo "No string header found -- You'll surely have problems." >&4 fi fi set i_string eval $setvar case "$i_string" in "$undef") strings=`./findhdr strings.h`;; *) strings=`./findhdr string.h`;; esac : check for non-blocking I/O stuff case "$h_sysfile" in true) echo "#include " > head.c;; *) case "$h_fcntl" in true) echo "#include " > head.c;; *) echo "#include " > head.c;; esac ;; esac echo " " echo "Figuring out the flag used by open() for non-blocking I/O..." >&4 case "$o_nonblock" in '') $cat head.c > try.c $cat >>try.c <<'EOCP' #include int main() { #ifdef O_NONBLOCK printf("O_NONBLOCK\n"); exit(0); #endif #ifdef O_NDELAY printf("O_NDELAY\n"); exit(0); #endif #ifdef FNDELAY printf("FNDELAY\n"); exit(0); #endif exit(0); } EOCP set try if eval $compile_ok; then o_nonblock=`./try` case "$o_nonblock" in '') echo "I can't figure it out, assuming O_NONBLOCK will do.";; *) echo "Seems like we can use $o_nonblock.";; esac else echo "(I can't compile the test program; pray O_NONBLOCK is right!)" fi ;; *) echo "Using $hint value $o_nonblock.";; esac $rm -f try try.* .out core echo " " echo "Let's see what value errno gets from read() on a $o_nonblock file..." >&4 case "$eagain" in '') $cat head.c > try.c $cat >>try.c < #include #include #include #define MY_O_NONBLOCK $o_nonblock #ifndef errno /* XXX need better Configure test */ extern int errno; #endif #$i_unistd I_UNISTD #ifdef I_UNISTD #include #endif #$i_string I_STRING #ifdef I_STRING #include #else #include #endif $signal_t blech(x) int x; { exit(3); } EOCP $cat >> try.c <<'EOCP' int main() { int pd[2]; int pu[2]; char buf[1]; char string[100]; pipe(pd); /* Down: child -> parent */ pipe(pu); /* Up: parent -> child */ if (0 != fork()) { int ret; close(pd[1]); /* Parent reads from pd[0] */ close(pu[0]); /* Parent writes (blocking) to pu[1] */ #ifdef F_SETFL if (-1 == fcntl(pd[0], F_SETFL, MY_O_NONBLOCK)) exit(1); #else exit(4); #endif signal(SIGALRM, blech); alarm(5); if ((ret = read(pd[0], buf, 1)) > 0) /* Nothing to read! */ exit(2); sprintf(string, "%d\n", ret); write(2, string, strlen(string)); alarm(0); #ifdef EAGAIN if (errno == EAGAIN) { printf("EAGAIN\n"); goto ok; } #endif #ifdef EWOULDBLOCK if (errno == EWOULDBLOCK) printf("EWOULDBLOCK\n"); #endif ok: write(pu[1], buf, 1); /* Unblocks child, tell it to close our pipe */ sleep(2); /* Give it time to close our pipe */ alarm(5); ret = read(pd[0], buf, 1); /* Should read EOF */ alarm(0); sprintf(string, "%d\n", ret); write(3, string, strlen(string)); exit(0); } close(pd[0]); /* We write to pd[1] */ close(pu[1]); /* We read from pu[0] */ read(pu[0], buf, 1); /* Wait for parent to signal us we may continue */ close(pd[1]); /* Pipe pd is now fully closed! */ exit(0); /* Bye bye, thank you for playing! */ } EOCP set try if eval $compile_ok; then echo "$startsh" >mtry echo "./try >try.out 2>try.ret 3>try.err || exit 4" >>mtry chmod +x mtry ./mtry >/dev/null 2>&1 case $? in 0) eagain=`$cat try.out`;; 1) echo "Could not perform non-blocking setting!";; 2) echo "I did a successful read() for something that was not there!";; 3) echo "Hmm... non-blocking I/O does not seem to be working!";; 4) echo "Could not find F_SETFL!";; *) echo "Something terribly wrong happened during testing.";; esac rd_nodata=`$cat try.ret` echo "A read() system call with no data present returns $rd_nodata." case "$rd_nodata" in 0|-1) ;; *) echo "(That's peculiar, fixing that to be -1.)" rd_nodata=-1 ;; esac case "$eagain" in '') echo "Forcing errno EAGAIN on read() with no data available." eagain=EAGAIN ;; *) echo "Your read() sets errno to $eagain when no data is available." ;; esac status=`$cat try.err` case "$status" in 0) echo "And it correctly returns 0 to signal EOF.";; -1) echo "But it also returns -1 to signal EOF, so be careful!";; *) echo "However, your read() returns '$status' on EOF??";; esac val="$define" if test "$status" = "$rd_nodata"; then echo "WARNING: you can't distinguish between EOF and no data!" val="$undef" fi else echo "I can't compile the test program--assuming errno EAGAIN will do." eagain=EAGAIN fi set d_eofnblk eval $setvar ;; *) echo "Using $hint value $eagain." echo "Your read() returns $rd_nodata when no data is present." case "$d_eofnblk" in "$define") echo "And you can see EOF because read() returns 0.";; "$undef") echo "But you can't see EOF status from read() returned value.";; *) echo "(Assuming you can't see EOF status from read anyway.)" d_eofnblk=$undef ;; esac ;; esac $rm -f try try.* .out core head.c mtry : see if fchmod exists set fchmod d_fchmod eval $inlibc : see if fchown exists set fchown d_fchown eval $inlibc : see if this is an fcntl system set fcntl d_fcntl eval $inlibc echo " " : See if fcntl-based locking works. $cat >try.c <<'EOCP' #include #include #include int main() { #if defined(F_SETLK) && defined(F_SETLKW) struct flock flock; int retval, fd; fd = open("try.c", O_RDONLY); flock.l_type = F_RDLCK; flock.l_whence = SEEK_SET; flock.l_start = flock.l_len = 0; retval = fcntl(fd, F_SETLK, &flock); close(fd); (retval < 0 ? exit(2) : exit(0)); #else exit(2); #endif } EOCP echo "Checking if fcntl-based file locking works... " case "$d_fcntl" in "$define") set try if eval $compile_ok; then if ./try; then echo "Yes, it seems to work." val="$define" else echo "Nope, it didn't work." val="$undef" fi else echo "I'm unable to compile the test program, so I'll assume not." val="$undef" fi ;; *) val="$undef"; echo "Nope, since you don't even have fcntl()." ;; esac set d_fcntl_can_lock eval $setvar $rm -f try* hasfield='varname=$1; struct=$2; field=$3; shift; shift; shift; while $test $# -ge 2; do case "$1" in $define) echo "#include <$2>";; esac ; shift 2; done > try.c; echo "int main () { struct $struct foo; char* bar; bar = (char*)foo.$field; }" >> try.c; set try; if eval $compile; then val="$define"; else val="$undef"; fi; set $varname; eval $setvar; $rm -f try.c try.o' socketlib='' sockethdr='' : see whether socket exists echo " " $echo $n "Hmm... $c" >&4 if set socket val -f d_socket; eval $csym; $val; then echo "Looks like you have Berkeley networking support." >&4 d_socket="$define" if set setsockopt val -f; eval $csym; $val; then d_oldsock="$undef" else echo "...but it uses the old BSD 4.1c interface, rather than 4.2." >&4 d_oldsock="$define" fi else if $contains socklib libc.list >/dev/null 2>&1; then echo "Looks like you have Berkeley networking support." >&4 d_socket="$define" : we will have to assume that it supports the 4.2 BSD interface d_oldsock="$undef" else echo "You don't have Berkeley networking in libc$_a..." >&4 if test "X$d_socket" = "X$define"; then echo "...but you seem to believe that you have sockets." >&4 else for net in net socket do if test -f /usr/lib/lib$net$_a; then ( ($nm $nm_opt /usr/lib/lib$net$_a | eval $nm_extract) || \ $ar t /usr/lib/lib$net$_a) 2>/dev/null >> libc.list if $contains socket libc.list >/dev/null 2>&1; then d_socket="$define" socketlib="-l$net" case "$net" in net) echo "...but the Wollongong group seems to have hacked it in." >&4 sockethdr="-I/usr/netinclude" ;; esac echo "Found Berkeley sockets interface in lib$net." >& 4 if $contains setsockopt libc.list >/dev/null 2>&1; then d_oldsock="$undef" else echo "...using the old BSD 4.1c interface, rather than 4.2." >&4 d_oldsock="$define" fi break fi fi done if test "X$d_socket" != "X$define"; then echo "or anywhere else I see." >&4 d_socket="$undef" d_oldsock="$undef" fi fi fi fi : see if socketpair exists set socketpair d_sockpair eval $inlibc echo " " echo "Checking the availability of certain socket constants..." >& 4 for ENUM in MSG_CTRUNC MSG_DONTROUTE MSG_OOB MSG_PEEK MSG_PROXY SCM_RIGHTS; do enum=`$echo $ENUM|./tr '[A-Z]' '[a-z]'` $cat >try.c < #include int main() { int i = $ENUM; } EOF val="$undef" set try; if eval $compile; then val="$define" fi set d_${enum}; eval $setvar $rm -f try.c try done : see if sys/select.h has to be included set sys/select.h i_sysselct eval $inhdr : see if we should include time.h, sys/time.h, or both echo " " if test "X$timeincl" = X; then echo "Testing to see if we should include , or both." >&4 $echo $n "I'm now running the test program...$c" $cat >try.c <<'EOCP' #include #ifdef I_TIME #include #endif #ifdef I_SYSTIME #ifdef SYSTIMEKERNEL #define KERNEL #endif #include #endif #ifdef I_SYSSELECT #include #endif int main() { struct tm foo; #ifdef S_TIMEVAL struct timeval bar; #endif #ifdef S_TIMEZONE struct timezone tzp; #endif if (foo.tm_sec == foo.tm_sec) exit(0); #ifdef S_TIMEVAL if (bar.tv_sec == bar.tv_sec) exit(0); #endif exit(1); } EOCP flags='' for s_timezone in '-DS_TIMEZONE' ''; do sysselect='' for s_timeval in '-DS_TIMEVAL' ''; do for i_systimek in '' '-DSYSTIMEKERNEL'; do for i_time in '' '-DI_TIME'; do for i_systime in '-DI_SYSTIME' ''; do case "$flags" in '') $echo $n ".$c" set try $i_time $i_systime $i_systimek $sysselect $s_timeval $s_timezone if eval $compile; then set X $i_time $i_systime $i_systimek $sysselect $s_timeval shift flags="$*" echo " " $echo $n "Succeeded with $flags$c" fi ;; esac done done done done done timeincl='' echo " " case "$flags" in *SYSTIMEKERNEL*) i_systimek="$define" timeincl=`./findhdr sys/time.h` echo "We'll include with KERNEL defined." >&4;; *) i_systimek="$undef";; esac case "$flags" in *I_TIME*) i_time="$define" timeincl=`./findhdr time.h`" $timeincl" echo "We'll include ." >&4;; *) i_time="$undef";; esac case "$flags" in *I_SYSTIME*) i_systime="$define" timeincl=`./findhdr sys/time.h`" $timeincl" echo "We'll include ." >&4;; *) i_systime="$undef";; esac $rm -f try.c try fi : check for fd_set items $cat <fd_set.c < #ifdef HAS_SOCKET #include /* Might include */ #endif #ifdef I_SYS_TIME #include #endif #ifdef I_SYS_SELECT #include #endif int main() { fd_set fds; #ifdef TRYBITS if(fds.fds_bits); #endif #if defined(FD_SET) && defined(FD_CLR) && defined(FD_ISSET) && defined(FD_ZERO) exit(0); #else exit(1); #endif } EOCP set fd_set -DTRYBITS if eval $compile; then d_fds_bits="$define" d_fd_set="$define" echo "Well, your system knows about the normal fd_set typedef..." >&4 if ./fd_set; then echo "and you have the normal fd_set macros (just as I'd expect)." >&4 d_fd_macros="$define" else $cat >&4 <<'EOM' but not the normal fd_set macros! Gaaack! I'll have to cover for you. EOM d_fd_macros="$undef" fi else $cat <<'EOM' Hmm, your compiler has some difficulty with fd_set. Checking further... EOM set fd_set if eval $compile; then d_fds_bits="$undef" d_fd_set="$define" echo "Well, your system has some sort of fd_set available..." >&4 if ./fd_set; then echo "and you have the normal fd_set macros." >&4 d_fd_macros="$define" else $cat <<'EOM' but not the normal fd_set macros! Gross! More work for me... EOM d_fd_macros="$undef" fi else echo "Well, you got zip. That's OK, I can roll my own fd_set stuff." >&4 d_fd_set="$undef" d_fds_bits="$undef" d_fd_macros="$undef" fi fi $rm -f fd_set* : see if fgetpos exists set fgetpos d_fgetpos eval $inlibc : see if flock exists set flock d_flock eval $inlibc : see if fork exists set fork d_fork eval $inlibc : see if pathconf exists set pathconf d_pathconf eval $inlibc : see if fpathconf exists set fpathconf d_fpathconf eval $inlibc : check for fpos64_t echo " " echo "Checking to see if you have fpos64_t..." >&4 $cat >try.c < int main() { fpos64_t x = 7; } EOCP set try if eval $compile; then val="$define" echo "You have fpos64_t." else val="$undef" echo "You do not have fpos64_t." case "$fpossize" in 8) echo "(Your fpos_t is 64 bits, so you could use that.)" ;; esac fi $rm -f try.* try set d_fpos64_t eval $setvar : see if frexpl exists set frexpl d_frexpl eval $inlibc hasstruct='varname=$1; struct=$2; shift; shift; while $test $# -ge 2; do case "$1" in $define) echo "#include <$2>";; esac ; shift 2; done > try.c; echo "int main () { struct $struct foo; }" >> try.c; set try; if eval $compile; then val="$define"; else val="$undef"; fi; set $varname; eval $setvar; $rm -f try.c try.o' : see if this is a sys/param system set sys/param.h i_sysparam eval $inhdr : see if this is a sys/mount.h system set sys/mount.h i_sysmount eval $inhdr : see if sys/types.h has to be included set sys/types.h i_systypes eval $inhdr echo " " echo "Checking to see if your system supports struct fs_data..." >&4 set d_fs_data_s fs_data $i_systypes sys/types.h $i_sysparam sys/param.h $i_sysmount sys/mount.h eval $hasstruct case "$d_fs_data_s" in "$define") echo "Yes, it does." ;; *) echo "No, it doesn't." ;; esac : see if fseeko exists set fseeko d_fseeko eval $inlibc case "$longsize" in 8) echo "(Your long is 64 bits, so you could use fseek.)" ;; esac : see if fsetpos exists set fsetpos d_fsetpos eval $inlibc : see if fstatfs exists set fstatfs d_fstatfs eval $inlibc : see if statvfs exists set statvfs d_statvfs eval $inlibc : see if fstatvfs exists set fstatvfs d_fstatvfs eval $inlibc : see if fsync exists set fsync d_fsync eval $inlibc : see if ftello exists set ftello d_ftello eval $inlibc case "$longsize" in 8) echo "(Your long is 64 bits, so you could use ftell.)" ;; esac : see if getcwd exists set getcwd d_getcwd eval $inlibc : see if getespwnam exists set getespwnam d_getespwnam eval $inlibc : see if getfsstat exists set getfsstat d_getfsstat eval $inlibc : see if getgrent exists set getgrent d_getgrent eval $inlibc : see if gethostbyaddr exists set gethostbyaddr d_gethbyaddr eval $inlibc : see if gethostbyname exists set gethostbyname d_gethbyname eval $inlibc : see if gethostent exists set gethostent d_gethent eval $inlibc : see how we will look up host name echo " " call='' if set gethostname val -f d_gethname; eval $csym; $val; then echo 'gethostname() found.' >&4 d_gethname="$define" call=gethostname fi if set uname val -f d_uname; eval $csym; $val; then if ./xenix; then $cat <<'EOM' uname() was found, but you're running xenix, and older versions of xenix have a broken uname(). If you don't really know whether your xenix is old enough to have a broken system call, use the default answer. EOM dflt=y case "$d_uname" in "$define") dflt=n;; esac rp='Is your uname() broken?' . ./myread case "$ans" in n*) d_uname="$define"; call=uname;; esac else echo 'uname() found.' >&4 d_uname="$define" case "$call" in '') call=uname ;; esac fi fi case "$d_gethname" in '') d_gethname="$undef";; esac case "$d_uname" in '') d_uname="$undef";; esac case "$d_uname$d_gethname" in *define*) dflt=n cat <&4;; *) echo "I'll use 'popen("'"'$aphostname'", "r")'"' to get your hostname." >&4 ;; esac;; esac case "$d_phostname" in '') d_phostname="$undef";; esac : see if this is a netdb.h system set netdb.h i_netdb eval $inhdr : see if prototypes for various gethostxxx netdb.h functions are available echo " " set d_gethostprotos gethostent $i_netdb netdb.h eval $hasproto : see if getlogin exists set getlogin d_getlogin eval $inlibc : see if getmnt exists set getmnt d_getmnt eval $inlibc : see if getmntent exists set getmntent d_getmntent eval $inlibc : see if getnetbyaddr exists set getnetbyaddr d_getnbyaddr eval $inlibc : see if getnetbyname exists set getnetbyname d_getnbyname eval $inlibc : see if getnetent exists set getnetent d_getnent eval $inlibc : see if prototypes for various getnetxxx netdb.h functions are available echo " " set d_getnetprotos getnetent $i_netdb netdb.h eval $hasproto : see if getpagesize exists set getpagesize d_getpagsz eval $inlibc : see if getprotobyname exists set getprotobyname d_getpbyname eval $inlibc : see if getprotobynumber exists set getprotobynumber d_getpbynumber eval $inlibc : see if getprotoent exists set getprotoent d_getpent eval $inlibc : see if getpgid exists set getpgid d_getpgid eval $inlibc : see if getpgrp2 exists set getpgrp2 d_getpgrp2 eval $inlibc : see if getppid exists set getppid d_getppid eval $inlibc : see if getpriority exists set getpriority d_getprior eval $inlibc : see if prototypes for various getprotoxxx netdb.h functions are available echo " " set d_getprotoprotos getprotoent $i_netdb netdb.h eval $hasproto : see if getprpwnam exists set getprpwnam d_getprpwnam eval $inlibc : see if getpwent exists set getpwent d_getpwent eval $inlibc : see if getservbyname exists set getservbyname d_getsbyname eval $inlibc : see if getservbyport exists set getservbyport d_getsbyport eval $inlibc : see if getservent exists set getservent d_getsent eval $inlibc : see if prototypes for various getservxxx netdb.h functions are available echo " " set d_getservprotos getservent $i_netdb netdb.h eval $hasproto : see if getspnam exists set getspnam d_getspnam eval $inlibc : see if gettimeofday or ftime exists set gettimeofday d_gettimeod eval $inlibc case "$d_gettimeod" in "$undef") set ftime d_ftime eval $inlibc ;; *) val="$undef"; set d_ftime; eval $setvar ;; esac case "$d_gettimeod$d_ftime" in "$undef$undef") echo " " echo 'No ftime() nor gettimeofday() -- timing may be less accurate.' >&4 ;; esac : see if this is an grp system set grp.h i_grp eval $inhdr case "$i_grp" in $define) xxx=`./findhdr grp.h` $cppstdin $cppflags $cppminus < $xxx >$$.h if $contains 'gr_passwd' $$.h >/dev/null 2>&1; then val="$define" else val="$undef" fi set d_grpasswd eval $setvar $rm -f $$.h ;; *) val="$undef"; set d_grpasswd; eval $setvar ;; esac : see if hasmntopt exists set hasmntopt d_hasmntopt eval $inlibc : see if this is a netinet/in.h or sys/in.h system set netinet/in.h i_niin sys/in.h i_sysin eval $inhdr : see if arpa/inet.h has to be included set arpa/inet.h i_arpainet eval $inhdr : see if htonl --and friends-- exists val='' set htonl val eval $inlibc : Maybe they are macros. case "$val" in $undef) $cat >htonl.c < #include #$i_niin I_NETINET_IN #$i_sysin I_SYS_IN #$i_arpainet I_ARPA_INET #ifdef I_NETINET_IN #include #endif #ifdef I_SYS_IN #include #endif #ifdef I_ARPA_INET #include #endif #ifdef htonl printf("Defined as a macro."); #endif EOM $cppstdin $cppflags $cppminus < htonl.c >htonl.E 2>/dev/null if $contains 'Defined as a macro' htonl.E >/dev/null 2>&1; then val="$define" echo "But it seems to be defined as a macro." >&4 fi $rm -f htonl.? ;; esac set d_htonl eval $setvar : see if iconv exists set iconv d_iconv eval $inlibc : index or strchr echo " " if set index val -f; eval $csym; $val; then if set strchr val -f d_strchr; eval $csym; $val; then if $contains strchr "$strings" >/dev/null 2>&1 ; then val="$define" vali="$undef" echo "strchr() found." >&4 else val="$undef" vali="$define" echo "index() found." >&4 fi else val="$undef" vali="$define" echo "index() found." >&4 fi else if set strchr val -f d_strchr; eval $csym; $val; then val="$define" vali="$undef" echo "strchr() found." >&4 else echo "No index() or strchr() found!" >&4 val="$undef" vali="$undef" fi fi set d_strchr; eval $setvar val="$vali" set d_index; eval $setvar : check whether inet_aton exists set inet_aton d_inetaton eval $inlibc : see if inttypes.h is available : we want a real compile instead of Inhdr because some systems : have an inttypes.h which includes non-existent headers echo " " $cat >try.c < int main() { static int32_t foo32 = 0x12345678; } EOCP set try if eval $compile; then echo " found." >&4 val="$define" else echo " NOT found." >&4 val="$undef" fi $rm -f try.c try set i_inttypes eval $setvar : check for int64_t echo " " echo "Checking to see if you have int64_t..." >&4 $cat >try.c < #$i_inttypes I_INTTYPES #ifdef I_INTTYPES #include #endif int main() { int64_t x = 7; } EOCP set try if eval $compile; then val="$define" echo "You have int64_t." else val="$undef" echo "You do not have int64_t." fi $rm -f try try.* set d_int64_t eval $setvar : Look for isascii echo " " $cat >isascii.c <<'EOCP' #include #include int main() { int c = 'A'; if (isascii(c)) exit(0); else exit(1); } EOCP set isascii if eval $compile; then echo "isascii() found." >&4 val="$define" else echo "isascii() NOT found." >&4 val="$undef" fi set d_isascii eval $setvar $rm -f isascii* : see if isnan exists set isnan d_isnan eval $inlibc : see if isnanl exists set isnanl d_isnanl eval $inlibc : see if killpg exists set killpg d_killpg eval $inlibc : see if lchown exists echo " " $cat > try.c <<'EOCP' /* System header to define __stub macros and hopefully few prototypes, which can conflict with char lchown(); below. */ #include /* Override any gcc2 internal prototype to avoid an error. */ /* We use char because int might match the return type of a gcc2 builtin and then its argument prototype would still apply. */ char lchown(); int main() { /* The GNU C library defines this for functions which it implements to always fail with ENOSYS. Some functions are actually named something starting with __ and the normal name is an alias. */ #if defined (__stub_lchown) || defined (__stub___lchown) choke me #else lchown(); #endif ; return 0; } EOCP set try if eval $compile; then $echo "lchown() found." >&4 val="$define" else $echo "lchown() NOT found." >&4 val="$undef" fi set d_lchown eval $setvar : See if number of significant digits in a double precision number is known echo " " $cat >ldbl_dig.c < #endif #ifdef I_FLOAT #include #endif #ifdef LDBL_DIG printf("Contains LDBL_DIG"); #endif EOM $cppstdin $cppflags $cppminus < ldbl_dig.c >ldbl_dig.E 2>/dev/null if $contains 'LDBL_DIG' ldbl_dig.E >/dev/null 2>&1; then echo "LDBL_DIG found." >&4 val="$define" else echo "LDBL_DIG NOT found." >&4 val="$undef" fi $rm -f ldbl_dig.? set d_ldbl_dig eval $setvar : see if link exists set link d_link eval $inlibc : see if localeconv exists set localeconv d_locconv eval $inlibc : see if lockf exists set lockf d_lockf eval $inlibc : check for long long echo " " echo "Checking to see if you have long long..." >&4 echo 'int main() { long long x = 7; return 0; }' > try.c set try if eval $compile; then val="$define" echo "You have long long." else val="$undef" echo "You do not have long long." fi $rm try.* set d_longlong eval $setvar : check for length of long long case "${d_longlong}${longlongsize}" in $define) echo " " echo "Checking to see how big your long longs are..." >&4 $cat >try.c <<'EOCP' #include int main() { printf("%d\n", (int)sizeof(long long)); return(0); } EOCP set try if eval $compile_ok; then longlongsize=`./try$exe_ext` echo "Your long longs are $longlongsize bytes long." else dflt='8' echo " " echo "(I can't seem to compile the test program. Guessing...)" rp="What is the size of a long long (in bytes)?" . ./myread longlongsize="$ans" fi if $test "X$longsize" = "X$longlongsize"; then echo "(That isn't any different from an ordinary long.)" fi ;; esac $rm -f try.* try : see if prototype for lseek is available echo " " set d_lseekproto lseek $i_systypes sys/types.h $i_unistd unistd.h eval $hasproto : see if lstat exists set lstat d_lstat eval $inlibc : see if madvise exists set madvise d_madvise eval $inlibc : see if mblen exists set mblen d_mblen eval $inlibc : see if mbstowcs exists set mbstowcs d_mbstowcs eval $inlibc : see if mbtowc exists set mbtowc d_mbtowc eval $inlibc : see if memchr exists set memchr d_memchr eval $inlibc : see if memcmp exists set memcmp d_memcmp eval $inlibc : see if memcpy exists set memcpy d_memcpy eval $inlibc : see if memmove exists set memmove d_memmove eval $inlibc : see if memset exists set memset d_memset eval $inlibc : see if mkdir exists set mkdir d_mkdir eval $inlibc : see if mkdtemp exists set mkdtemp d_mkdtemp eval $inlibc : see if mkfifo exists set mkfifo d_mkfifo eval $inlibc : see if mkstemp exists set mkstemp d_mkstemp eval $inlibc : see if mkstemps exists set mkstemps d_mkstemps eval $inlibc : see if mktime exists set mktime d_mktime eval $inlibc : see if this is a sys/mman.h system set sys/mman.h i_sysmman eval $inhdr : see if mmap exists set mmap d_mmap eval $inlibc : see what shmat returns : default to something harmless mmaptype='void *' case "$i_sysmman$d_mmap" in "$define$define") $cat >mmap.c <<'END' #include void *mmap(); END if $cc $ccflags -c mmap.c >/dev/null 2>&1; then mmaptype='void *' else mmaptype='caddr_t' fi echo "and it returns ($mmaptype)." >&4 ;; esac : see if modfl exists set modfl d_modfl eval $inlibc : see if mprotect exists set mprotect d_mprotect eval $inlibc : see if msgctl exists set msgctl d_msgctl eval $inlibc : see if msgget exists set msgget d_msgget eval $inlibc : see if msgsnd exists set msgsnd d_msgsnd eval $inlibc : see if msgrcv exists set msgrcv d_msgrcv eval $inlibc : see how much of the 'msg*(2)' library is present. h_msg=true echo " " case "$d_msgctl$d_msgget$d_msgsnd$d_msgrcv" in *"$undef"*) h_msg=false;; esac case "$osname" in freebsd) case "`ipcs 2>&1`" in "SVID messages"*"not configured"*) echo "Your $osname does not have the msg*(2) configured." >&4 h_msg=false val="$undef" set msgctl d_msgctl eval $setvar set msgget d_msgget eval $setvar set msgsnd d_msgsnd eval $setvar set msgrcv d_msgrcv eval $setvar ;; esac ;; esac : we could also check for sys/ipc.h ... if $h_msg && $test `./findhdr sys/msg.h`; then echo "You have the full msg*(2) library." >&4 val="$define" else echo "You don't have the full msg*(2) library." >&4 val="$undef" fi set d_msg eval $setvar : see if msync exists set msync d_msync eval $inlibc : see if munmap exists set munmap d_munmap eval $inlibc : see if nice exists set nice d_nice eval $inlibc echo " " echo "Checking which 64-bit integer type we could use..." >&4 case "$intsize" in 8) val=int set quadtype eval $setvar val='"unsigned int"' set uquadtype eval $setvar quadkind=1 ;; *) case "$longsize" in 8) val=long set quadtype eval $setvar val='"unsigned long"' set uquadtype eval $setvar quadkind=2 ;; *) case "$d_longlong:$longlongsize" in define:8) val='"long long"' set quadtype eval $setvar val='"unsigned long long"' set uquadtype eval $setvar quadkind=3 ;; *) case "$d_int64_t" in define) val=int64_t set quadtype eval $setvar val=uint64_t set uquadtype eval $setvar quadkind=4 ;; esac ;; esac ;; esac ;; esac case "$quadtype" in '') echo "Alas, no 64-bit integer types in sight." >&4 d_quad="$undef" ;; *) if test X"$use64bitint" = Xdefine -o X"$longsize" = X8; then verb="will" else verb="could" fi echo "We $verb use '$quadtype' for 64-bit integers." >&4 d_quad="$define" ;; esac : check for length of character echo " " case "$charsize" in '') echo "Checking to see how big your characters are (hey, you never know)..." >&4 $cat >try.c <<'EOCP' #include int main() { printf("%d\n", (int)sizeof(char)); exit(0); } EOCP set try if eval $compile_ok; then dflt=`./try` else dflt='1' echo "(I can't seem to compile the test program. Guessing...)" fi ;; *) dflt="$charsize" ;; esac rp="What is the size of a character (in bytes)?" . ./myread charsize="$ans" $rm -f try.c try : check for volatile keyword echo " " echo 'Checking to see if your C compiler knows about "volatile"...' >&4 $cat >try.c <<'EOCP' int main() { typedef struct _goo_struct goo_struct; goo_struct * volatile goo = ((goo_struct *)0); struct _goo_struct { long long_int; int reg_int; char char_var; }; typedef unsigned short foo_t; char *volatile foo; volatile int bar; volatile foo_t blech; foo = foo; } EOCP if $cc -c $ccflags try.c >/dev/null 2>&1 ; then val="$define" echo "Yup, it does." else val="$undef" echo "Nope, it doesn't." fi set d_volatile eval $setvar $rm -f try.* echo " " $echo "Choosing the C types to be used for Perl's internal types..." >&4 case "$use64bitint:$d_quad:$quadtype" in define:define:?*) ivtype="$quadtype" uvtype="$uquadtype" ivsize=8 uvsize=8 ;; *) ivtype="long" uvtype="unsigned long" ivsize=$longsize uvsize=$longsize ;; esac case "$uselongdouble:$d_longdbl" in define:define) nvtype="long double" nvsize=$longdblsize ;; *) nvtype=double nvsize=$doublesize ;; esac $echo "(IV will be "$ivtype", $ivsize bytes)" $echo "(UV will be "$uvtype", $uvsize bytes)" $echo "(NV will be "$nvtype", $nvsize bytes)" $cat >try.c < #endif #include int main() { #ifdef INT8 int8_t i = INT8_MAX; uint8_t u = UINT8_MAX; printf("int8_t\n"); #endif #ifdef INT16 int16_t i = INT16_MAX; uint16_t i = UINT16_MAX; printf("int16_t\n"); #endif #ifdef INT32 int32_t i = INT32_MAX; uint32_t u = UINT32_MAX; printf("int32_t\n"); #endif } EOCP case "$i8type" in '') case "$charsize" in 1) i8type=char u8type="unsigned char" i8size=$charsize u8size=$charsize ;; esac ;; esac case "$i8type" in '') set try -DINT8 if eval $compile; then case "`./try$exe_ext`" in int8_t) i8type=int8_t u8type=uint8_t i8size=1 u8size=1 ;; esac fi ;; esac case "$i8type" in '') if $test $charsize -ge 1; then i8type=char u8type="unsigned char" i8size=$charsize u8size=$charsize fi ;; esac case "$i16type" in '') case "$shortsize" in 2) i16type=short u16type="unsigned short" i16size=$shortsize u16size=$shortsize ;; esac ;; esac case "$i16type" in '') set try -DINT16 if eval $compile; then case "`./try$exe_ext`" in int16_t) i16type=int16_t u16type=uint16_t i16size=2 u16size=2 ;; esac fi ;; esac case "$i16type" in '') if $test $shortsize -ge 2; then i16type=short u16type="unsigned short" i16size=$shortsize u16size=$shortsize fi ;; esac case "$i32type" in '') case "$longsize" in 4) i32type=long u32type="unsigned long" i32size=$longsize u32size=$longsize ;; *) case "$intsize" in 4) i32type=int u32type="unsigned int" i32size=$intsize u32size=$intsize ;; esac ;; esac ;; esac case "$i32type" in '') set try -DINT32 if eval $compile; then case "`./try$exe_ext`" in int32_t) i32type=int32_t u32type=uint32_t i32size=4 u32size=4 ;; esac fi ;; esac case "$i32type" in '') if $test $intsize -ge 4; then i32type=int u32type="unsigned int" i32size=$intsize u32size=$intsize fi ;; esac case "$i64type" in '') case "$d_quad:$quadtype" in define:?*) i64type="$quadtype" u64type="$uquadtype" i64size=8 u64size=8 ;; esac ;; esac $echo "Checking how many bits of your UVs your NVs can preserve..." >&4 : volatile so that the compiler has to store it out to memory. if test X"$d_volatile" = X"$define"; then volatile=volatile fi $cat <try.c #include #include #include #ifdef SIGFPE $volatile int bletched = 0; $signal_t blech(s) int s; { bletched = 1; } #endif int main() { $uvtype u = 0; $nvtype d; int n = 8 * $uvsize; int i; #ifdef SIGFPE signal(SIGFPE, blech); #endif for (i = 0; i < n; i++) { u = u << 1 | ($uvtype)1; d = ($nvtype)u; if (($uvtype)d != u) break; if (d <= 0) break; d = ($nvtype)(u - 1); if (($uvtype)d != (u - 1)) break; #ifdef SIGFPE if (bletched) { break; #endif } } printf("%d\n", ((i == n) ? -n : i)); exit(0); } EOP set try d_nv_preserves_uv="$undef" if eval $compile; then d_nv_preserves_uv_bits="`./try$exe_ext`" fi case "$d_nv_preserves_uv_bits" in \-[1-9]*) d_nv_preserves_uv_bits=`expr 0 - $d_nv_preserves_uv_bits` $echo "Your NVs can preserve all $d_nv_preserves_uv_bits bits of your UVs." 2>&1 d_nv_preserves_uv="$define" ;; [1-9]*) $echo "Your NVs can preserve only $d_nv_preserves_uv_bits bits of your UVs." 2>&1 d_nv_preserves_uv="$undef" ;; *) $echo "Can't figure out how many bits your NVs preserve." 2>&1 d_nv_preserves_uv_bits="$undef" ;; esac $rm -f try.* try : check for off64_t echo " " echo "Checking to see if you have off64_t..." >&4 $cat >try.c < #include int main() { off64_t x = 7; } EOCP set try if eval $compile; then val="$define" echo "You have off64_t." else val="$undef" echo "You do not have off64_t." case "$lseeksize" in 8) echo "(Your off_t is 64 bits, so you could use that.)" ;; esac fi $rm -f try.* try set d_off64_t eval $setvar : see if POSIX threads are available set pthread.h i_pthread eval $inhdr : how to create joinable pthreads if test "X$usethreads" = "X$define" -a "X$i_pthread" = "X$define"; then echo " " echo "Checking what constant to use for creating joinable pthreads..." >&4 $cat >try.c <<'EOCP' #include int main() { int detachstate = JOINABLE; } EOCP set try -DJOINABLE=PTHREAD_CREATE_JOINABLE if eval $compile; then echo "You seem to use PTHREAD_CREATE_JOINABLE." >&4 val="$undef" # Yes, undef. set d_old_pthread_create_joinable eval $setvar val="" set old_pthread_create_joinable eval $setvar else set try -DJOINABLE=PTHREAD_CREATE_UNDETACHED if eval $compile; then echo "You seem to use PTHREAD_CREATE_UNDETACHED." >&4 val="$define" set d_old_pthread_create_joinable eval $setvar val=PTHREAD_CREATE_UNDETACHED set old_pthread_create_joinable eval $setvar else set try -DJOINABLE=__UNDETACHED if eval $compile; then echo "You seem to use __UNDETACHED." >&4 val="$define" set d_old_pthread_create_joinable eval $setvar val=__UNDETACHED set old_pthread_create_joinable eval $setvar else echo "Egads, nothing obvious found. Guessing that you use 0." >&4 val="$define" set d_old_pthread_create_joinable eval $setvar val=0 set old_pthread_create_joinable eval $setvar fi fi fi $rm -f try try.* else d_old_pthread_create_joinable="$undef" old_pthread_create_joinable="" fi : see if pause exists set pause d_pause eval $inlibc : see if pipe exists set pipe d_pipe eval $inlibc : see if poll exists set poll d_poll eval $inlibc : see whether the various POSIXish _yields exist $cat >try.c < #include int main() { #ifdef SCHED_YIELD sched_yield(); #else #ifdef PTHREAD_YIELD pthread_yield(); #else #ifdef PTHREAD_YIELD_NULL pthread_yield(NULL); #endif #endif #endif } EOP : see if sched_yield exists set try -DSCHED_YIELD if eval $compile; then val="$define" sched_yield='sched_yield()' else val="$undef" fi case "$usethreads" in $define) case "$val" in $define) echo 'sched_yield() found.' >&4 ;; *) echo 'sched_yield() NOT found.' >&4 ;; esac esac set d_sched_yield eval $setvar : see if pthread_yield exists set try -DPTHREAD_YIELD if eval $compile; then val="$define" case "$sched_yield" in '') sched_yield='pthread_yield()' ;; esac else set try -DPTHREAD_YIELD_NULL if eval $compile; then val="$define" case "$sched_yield" in '') sched_yield='pthread_yield(NULL)' ;; esac else val="$undef" fi fi case "$usethreads" in $define) case "$val" in $define) echo 'pthread_yield() found.' >&4 ;; *) echo 'pthread_yield() NOT found.' >&4 ;; esac ;; esac set d_pthread_yield eval $setvar case "$sched_yield" in '') sched_yield=undef ;; esac $rm -f try try.* : see if this is a pwd.h system set pwd.h i_pwd eval $inhdr case "$i_pwd" in $define) xxx=`./findhdr pwd.h` $cppstdin $cppflags $cppminus < $xxx >$$.h if $contains 'pw_quota' $$.h >/dev/null 2>&1; then val="$define" else val="$undef" fi set d_pwquota eval $setvar if $contains 'pw_age' $$.h >/dev/null 2>&1; then val="$define" else val="$undef" fi set d_pwage eval $setvar if $contains 'pw_change' $$.h >/dev/null 2>&1; then val="$define" else val="$undef" fi set d_pwchange eval $setvar if $contains 'pw_class' $$.h >/dev/null 2>&1; then val="$define" else val="$undef" fi set d_pwclass eval $setvar if $contains 'pw_expire' $$.h >/dev/null 2>&1; then val="$define" else val="$undef" fi set d_pwexpire eval $setvar if $contains 'pw_comment' $$.h >/dev/null 2>&1; then val="$define" else val="$undef" fi set d_pwcomment eval $setvar if $contains 'pw_gecos' $$.h >/dev/null 2>&1; then val="$define" else val="$undef" fi set d_pwgecos eval $setvar if $contains 'pw_passwd' $$.h >/dev/null 2>&1; then val="$define" else val="$undef" fi set d_pwpasswd eval $setvar $rm -f $$.h ;; *) val="$undef"; set d_pwquota; eval $setvar set d_pwage; eval $setvar set d_pwchange; eval $setvar set d_pwclass; eval $setvar set d_pwexpire; eval $setvar set d_pwcomment; eval $setvar set d_pwgecos; eval $setvar set d_pwpasswd; eval $setvar ;; esac : see if readdir and friends exist set readdir d_readdir eval $inlibc set seekdir d_seekdir eval $inlibc set telldir d_telldir eval $inlibc set rewinddir d_rewinddir eval $inlibc : see if readlink exists set readlink d_readlink eval $inlibc : see if rename exists set rename d_rename eval $inlibc : see if rmdir exists set rmdir d_rmdir eval $inlibc : see if memory.h is available. val='' set memory.h val eval $inhdr : See if it conflicts with string.h case "$val" in $define) case "$strings" in '') ;; *) $cppstdin $cppflags $cppminus < $strings > mem.h if $contains 'memcpy' mem.h >/dev/null 2>&1; then echo " " echo "We won't be including ." val="$undef" fi $rm -f mem.h ;; esac esac set i_memory eval $setvar : can bcopy handle overlapping blocks? val="$undef" case "$d_bcopy" in "$define") echo " " echo "Checking to see if your bcopy() can do overlapping copies..." >&4 $cat >try.c <>try.c <<'EOCP' #include #ifdef I_MEMORY # include #endif #ifdef I_STDLIB # include #endif #ifdef I_STRING # include #else # include #endif #ifdef I_UNISTD # include /* Needed for NetBSD */ #endif int main() { char buf[128], abc[128]; char *b; int len; int off; int align; bcopy("abcdefghijklmnopqrstuvwxyz0123456789", abc, 36); for (align = 7; align >= 0; align--) { for (len = 36; len; len--) { b = buf+align; bcopy(abc, b, len); for (off = 1; off <= len; off++) { bcopy(b, b+off, len); bcopy(b+off, b, len); if (bcmp(b, abc, len)) exit(1); } } } exit(0); } EOCP set try if eval $compile_ok; then if ./try 2>/dev/null; then echo "Yes, it can." val="$define" else echo "It can't, sorry." case "$d_memmove" in "$define") echo "But that's Ok since you have memmove()." ;; esac fi else echo "(I can't compile the test program, so we'll assume not...)" case "$d_memmove" in "$define") echo "But that's Ok since you have memmove()." ;; esac fi ;; esac $rm -f try.* try core set d_safebcpy eval $setvar : can memcpy handle overlapping blocks? val="$undef" case "$d_memcpy" in "$define") echo " " echo "Checking to see if your memcpy() can do overlapping copies..." >&4 $cat >try.c <>try.c <<'EOCP' #include #ifdef I_MEMORY # include #endif #ifdef I_STDLIB # include #endif #ifdef I_STRING # include #else # include #endif #ifdef I_UNISTD # include /* Needed for NetBSD */ #endif int main() { char buf[128], abc[128]; char *b; int len; int off; int align; /* Copy "abcde..." string to char abc[] so that gcc doesn't try to store the string in read-only memory. */ memcpy(abc, "abcdefghijklmnopqrstuvwxyz0123456789", 36); for (align = 7; align >= 0; align--) { for (len = 36; len; len--) { b = buf+align; memcpy(b, abc, len); for (off = 1; off <= len; off++) { memcpy(b+off, b, len); memcpy(b, b+off, len); if (memcmp(b, abc, len)) exit(1); } } } exit(0); } EOCP set try if eval $compile_ok; then if ./try 2>/dev/null; then echo "Yes, it can." val="$define" else echo "It can't, sorry." case "$d_memmove" in "$define") echo "But that's Ok since you have memmove()." ;; esac fi else echo "(I can't compile the test program, so we'll assume not...)" case "$d_memmove" in "$define") echo "But that's Ok since you have memmove()." ;; esac fi ;; esac $rm -f try.* try core set d_safemcpy eval $setvar : can memcmp be trusted to compare relative magnitude? val="$undef" case "$d_memcmp" in "$define") echo " " echo "Checking if your memcmp() can compare relative magnitude..." >&4 $cat >try.c <>try.c <<'EOCP' #include #ifdef I_MEMORY # include #endif #ifdef I_STDLIB # include #endif #ifdef I_STRING # include #else # include #endif #ifdef I_UNISTD # include /* Needed for NetBSD */ #endif int main() { char a = -1; char b = 0; if ((a < b) && memcmp(&a, &b, 1) < 0) exit(1); exit(0); } EOCP set try if eval $compile_ok; then if ./try 2>/dev/null; then echo "Yes, it can." val="$define" else echo "No, it can't (it uses signed chars)." fi else echo "(I can't compile the test program, so we'll assume not...)" fi ;; esac $rm -f try.* try core set d_sanemcmp eval $setvar : see if prototype for sbrk is available echo " " set d_sbrkproto sbrk $i_unistd unistd.h eval $hasproto : see if select exists set select d_select eval $inlibc : see if semctl exists set semctl d_semctl eval $inlibc : see if semget exists set semget d_semget eval $inlibc : see if semop exists set semop d_semop eval $inlibc : see how much of the 'sem*(2)' library is present. h_sem=true echo " " case "$d_semctl$d_semget$d_semop" in *"$undef"*) h_sem=false;; esac case "$osname" in freebsd) case "`ipcs 2>&1`" in "SVID messages"*"not configured"*) echo "Your $osname does not have the sem*(2) configured." >&4 h_sem=false val="$undef" set semctl d_semctl eval $setvar set semget d_semget eval $setvar set semop d_semop eval $setvar ;; esac ;; esac : we could also check for sys/ipc.h ... if $h_sem && $test `./findhdr sys/sem.h`; then echo "You have the full sem*(2) library." >&4 val="$define" else echo "You don't have the full sem*(2) library." >&4 val="$undef" fi set d_sem eval $setvar : see whether sys/sem.h defines union semun echo " " $cat > try.c <<'END' #include #include #include int main () { union semun semun; semun.buf = 0; } END set try if eval $compile; then echo "You have union semun in ." >&4 val="$define" else echo "You do not have union semun in ." >&4 val="$undef" fi $rm -f try try.c try.h set d_union_semun eval $setvar : see how to do semctl IPC_STAT case "$d_sem" in $define) : see whether semctl IPC_STAT can use union semun echo " " $cat > try.h <>3) # define S_IWGRP (S_IWUSR>>3) # define S_IXGRP (S_IXUSR>>3) # define S_IROTH (S_IRUSR>>6) # define S_IWOTH (S_IWUSR>>6) # define S_IXOTH (S_IXUSR>>6) #endif #ifndef S_IRWXU # define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR) # define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP) # define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH) #endif END $cat > try.c < #include #include #include #include #include #include "try.h" #ifndef errno extern int errno; #endif #$d_union_semun HAS_UNION_SEMUN int main() { union semun #ifndef HAS_UNION_SEMUN { int val; struct semid_ds *buf; unsigned short *array; } #endif arg; int sem, st; #if defined(IPC_PRIVATE) && defined(S_IRWXU) && defined(S_IRWXG) && defined(S_IRWXO) && defined(IPC_CREAT) sem = semget(IPC_PRIVATE, 1, S_IRWXU|S_IRWXG|S_IRWXO|IPC_CREAT); if (sem > -1) { struct semid_ds argbuf; arg.buf = &argbuf; # ifdef IPC_STAT st = semctl(sem, 0, IPC_STAT, arg); if (st == 0) printf("semun\n"); else # endif /* IPC_STAT */ printf("semctl IPC_STAT failed: errno = %d\n", errno); # ifdef IPC_RMID if (semctl(sem, 0, IPC_RMID, arg) != 0) # endif /* IPC_RMID */ printf("semctl IPC_RMID failed: errno = %d\n", errno); } else #endif /* IPC_PRIVATE && ... */ printf("semget failed: errno = %d\n", errno); return 0; } END val="$undef" set try if eval $compile; then xxx=`./try` case "$xxx" in semun) val="$define" ;; esac fi $rm -f try try.c set d_semctl_semun eval $setvar case "$d_semctl_semun" in $define) echo "You can use union semun for semctl IPC_STAT." >&4 also='also' ;; *) echo "You cannot use union semun for semctl IPC_STAT." >&4 also='' ;; esac : see whether semctl IPC_STAT can use struct semid_ds pointer $cat > try.c <<'END' #include #include #include #include #include "try.h" #include #include #ifndef errno extern int errno; #endif int main() { struct semid_ds arg; int sem, st; #if defined(IPC_PRIVATE) && defined(S_IRWXU) && defined(S_IRWXG) && defined(S_IRWXO) && defined(IPC_CREAT) sem = semget(IPC_PRIVATE, 1, S_IRWXU|S_IRWXG|S_IRWXO|IPC_CREAT); if (sem > -1) { # ifdef IPC_STAT st = semctl(sem, 0, IPC_STAT, &arg); if (st == 0) printf("semid_ds\n"); else # endif /* IPC_STAT */ printf("semctl IPC_STAT failed: errno = %d\n", errno); # ifdef IPC_RMID if (semctl(sem, 0, IPC_RMID, &arg) != 0) # endif /* IPC_RMID */ printf("semctl IPC_RMID failed: errno = %d\n", errno); } else #endif /* IPC_PRIVATE && ... */ printf("semget failed: errno = %d\n", errno); return 0; } END val="$undef" set try if eval $compile; then xxx=`./try` case "$xxx" in semid_ds) val="$define" ;; esac fi $rm -f try try.c set d_semctl_semid_ds eval $setvar case "$d_semctl_semid_ds" in $define) echo "You can $also use struct semid_ds* for semctl IPC_STAT." >&4 ;; *) echo "You cannot use struct semid_ds* for semctl IPC_STAT." >&4 ;; esac $rm -f try.h ;; *) val="$undef" # We do not have the full sem*(2) library, so assume we can not # use either. set d_semctl_semun eval $setvar set d_semctl_semid_ds eval $setvar ;; esac : see if setegid exists set setegid d_setegid eval $inlibc : see if seteuid exists set seteuid d_seteuid eval $inlibc : see if setgrent exists set setgrent d_setgrent eval $inlibc : see if sethostent exists set sethostent d_sethent eval $inlibc : see if setlinebuf exists set setlinebuf d_setlinebuf eval $inlibc : see if setlocale exists set setlocale d_setlocale eval $inlibc : see if setnetent exists set setnetent d_setnent eval $inlibc : see if setprotoent exists set setprotoent d_setpent eval $inlibc : see if setpgid exists set setpgid d_setpgid eval $inlibc : see if setpgrp2 exists set setpgrp2 d_setpgrp2 eval $inlibc : see if setpriority exists set setpriority d_setprior eval $inlibc : see if setproctitle exists set setproctitle d_setproctitle eval $inlibc : see if setpwent exists set setpwent d_setpwent eval $inlibc : see if setregid exists set setregid d_setregid eval $inlibc set setresgid d_setresgid eval $inlibc : see if setreuid exists set setreuid d_setreuid eval $inlibc set setresuid d_setresuid eval $inlibc : see if setrgid exists set setrgid d_setrgid eval $inlibc : see if setruid exists set setruid d_setruid eval $inlibc : see if setservent exists set setservent d_setsent eval $inlibc : see if setsid exists set setsid d_setsid eval $inlibc : see if setvbuf exists set setvbuf d_setvbuf eval $inlibc : see if sfio.h is available set sfio.h i_sfio eval $inhdr : see if sfio library is available case "$i_sfio" in $define) val='' set sfreserve val eval $inlibc ;; *) val="$undef" ;; esac : Ok, but do we want to use it. case "$val" in $define) case "$usesfio" in true|$define|[yY]*) dflt='y';; *) dflt='n';; esac echo "$package can use the sfio library, but it is experimental." case "$useperlio" in "$undef") echo "For sfio also the PerlIO abstraction layer is needed." echo "Earlier you said you wouldn't want that." ;; esac rp="You seem to have sfio available, do you want to try using it?" . ./myread case "$ans" in y|Y) echo "Ok, turning on both sfio and PerlIO, then." useperlio="$define" val="$define" ;; *) echo "Ok, avoiding sfio this time. I'll use stdio instead." val="$undef" ;; esac ;; *) case "$usesfio" in true|$define|[yY]*) echo "Sorry, cannot find sfio on this machine." >&4 echo "Ignoring your setting of usesfio=$usesfio." >&4 val="$undef" ;; esac ;; esac set d_sfio eval $setvar case "$d_sfio" in $define) usesfio='true';; *) usesfio='false';; esac case "$d_sfio" in $define) ;; *) : Remove sfio from list of libraries to use set `echo X $libs | $sed -e 's/-lsfio / /' -e 's/-lsfio$//'` shift libs="$*" echo "libs = $libs" >&4 ;; esac : see if shmctl exists set shmctl d_shmctl eval $inlibc : see if shmget exists set shmget d_shmget eval $inlibc : see if shmat exists set shmat d_shmat eval $inlibc : see what shmat returns case "$d_shmat" in "$define") $cat >shmat.c <<'END' #include void *shmat(); END if $cc $ccflags -c shmat.c >/dev/null 2>&1; then shmattype='void *' else shmattype='char *' fi echo "and it returns ($shmattype)." >&4 : see if a prototype for shmat is available xxx=`./findhdr sys/shm.h` $cppstdin $cppflags $cppminus < $xxx > shmat.c 2>/dev/null if $contains 'shmat.*(' shmat.c >/dev/null 2>&1; then val="$define" else val="$undef" fi $rm -f shmat.[co] ;; *) val="$undef" ;; esac set d_shmatprototype eval $setvar : see if shmdt exists set shmdt d_shmdt eval $inlibc : see how much of the 'shm*(2)' library is present. h_shm=true echo " " case "$d_shmctl$d_shmget$d_shmat$d_shmdt" in *"$undef"*) h_shm=false;; esac case "$osname" in freebsd) case "`ipcs 2>&1`" in "SVID shared memory"*"not configured"*) echo "Your $osname does not have the shm*(2) configured." >&4 h_shm=false val="$undef" set shmctl d_shmctl evat $setvar set shmget d_shmget evat $setvar set shmat d_shmat evat $setvar set shmdt d_shmdt evat $setvar ;; esac ;; esac : we could also check for sys/ipc.h ... if $h_shm && $test `./findhdr sys/shm.h`; then echo "You have the full shm*(2) library." >&4 val="$define" else echo "You don't have the full shm*(2) library." >&4 val="$undef" fi set d_shm eval $setvar echo " " : see if we have sigaction if set sigaction val -f d_sigaction; eval $csym; $val; then echo 'sigaction() found.' >&4 $cat > try.c <<'EOP' #include #include #include int main() { struct sigaction act, oact; act.sa_flags = 0; oact.sa_handler = 0; /* so that act and oact are used */ exit(act.sa_flags == 0 && oact.sa_handler == 0); } EOP set try if eval $compile_ok; then val="$define" else echo "But you don't seem to have a useable struct sigaction." >&4 val="$undef" fi else echo 'sigaction NOT found.' >&4 val="$undef" fi set d_sigaction; eval $setvar $rm -f try try$_o try.c : see if sigsetjmp exists echo " " case "$d_sigsetjmp" in '') $cat >try.c <<'EOP' #include sigjmp_buf env; int set = 1; int main() { if (sigsetjmp(env,1)) exit(set); set = 0; siglongjmp(env, 1); exit(1); } EOP set try if eval $compile; then if ./try >/dev/null 2>&1; then echo "POSIX sigsetjmp found." >&4 val="$define" else $cat >&4 <&4 val="$undef" fi ;; *) val="$d_sigsetjmp" case "$d_sigsetjmp" in $define) echo "POSIX sigsetjmp found." >&4;; $undef) echo "sigsetjmp not found." >&4;; esac ;; esac set d_sigsetjmp eval $setvar $rm -f try.c try : see if socks5_init exists set socks5_init d_socks5_init eval $inlibc : see if sys/stat.h is available set sys/stat.h i_sysstat eval $inhdr : see if stat knows about block sizes echo " " echo "Checking to see if your struct stat has st_blocks field..." >&4 set d_statblks stat st_blocks $i_sysstat sys/stat.h eval $hasfield : see if this is a sys/vfs.h system set sys/vfs.h i_sysvfs eval $inhdr : see if this is a sys/statfs.h system set sys/statfs.h i_sysstatfs eval $inhdr echo " " echo "Checking to see if your system supports struct statfs..." >&4 set d_statfs_s statfs $i_systypes sys/types.h $i_sysparam sys/param.h $i_sysmount sys/mount.h $i_sysvfs sys/vfs.h $i_sysstatfs sys/statfs.h eval $hasstruct case "$d_statfs_s" in "$define") echo "Yes, it does." ;; *) echo "No, it doesn't." ;; esac : see if struct statfs knows about f_flags case "$d_statfs_s" in define) echo " " echo "Checking to see if your struct statfs has f_flags field..." >&4 set d_statfs_f_flags statfs f_flags $i_systypes sys/types.h $i_sysparam sys/param.h $i_sysmount sys/mount.h $i_sysvfs sys/vfs.h $i_sysstatfs sys/statfs.h eval $hasfield ;; *) val="$undef" set d_statfs_f_flags eval $setvar ;; esac case "$d_statfs_f_flags" in "$define") echo "Yes, it does." ;; *) echo "No, it doesn't." ;; esac : see if _ptr and _cnt from stdio act std echo " " if $contains '_lbfsize' `./findhdr stdio.h` >/dev/null 2>&1 ; then echo "(Looks like you have stdio.h from BSD.)" case "$stdio_ptr" in '') stdio_ptr='((fp)->_p)' ptr_lval=$define ;; *) ptr_lval=$d_stdio_ptr_lval;; esac case "$stdio_cnt" in '') stdio_cnt='((fp)->_r)' cnt_lval=$define ;; *) cnt_lval=$d_stdio_cnt_lval;; esac case "$stdio_base" in '') stdio_base='((fp)->_ub._base ? (fp)->_ub._base : (fp)->_bf._base)';; esac case "$stdio_bufsiz" in '') stdio_bufsiz='((fp)->_ub._base ? (fp)->_ub._size : (fp)->_bf._size)';; esac elif $contains '_IO_fpos_t' `./findhdr stdio.h` `./findhdr libio.h` >/dev/null 2>&1 ; then echo "(Looks like you have stdio.h from Linux.)" case "$stdio_ptr" in '') stdio_ptr='((fp)->_IO_read_ptr)' ptr_lval=$define ;; *) ptr_lval=$d_stdio_ptr_lval;; esac case "$stdio_cnt" in '') stdio_cnt='((fp)->_IO_read_end - (fp)->_IO_read_ptr)' cnt_lval=$undef ;; *) cnt_lval=$d_stdio_cnt_lval;; esac case "$stdio_base" in '') stdio_base='((fp)->_IO_read_base)';; esac case "$stdio_bufsiz" in '') stdio_bufsiz='((fp)->_IO_read_end - (fp)->_IO_read_base)';; esac else case "$stdio_ptr" in '') stdio_ptr='((fp)->_ptr)' ptr_lval=$define ;; *) ptr_lval=$d_stdio_ptr_lval;; esac case "$stdio_cnt" in '') stdio_cnt='((fp)->_cnt)' cnt_lval=$define ;; *) cnt_lval=$d_stdio_cnt_lval;; esac case "$stdio_base" in '') stdio_base='((fp)->_base)';; esac case "$stdio_bufsiz" in '') stdio_bufsiz='((fp)->_cnt + (fp)->_ptr - (fp)->_base)';; esac fi : test whether _ptr and _cnt really work echo "Checking how std your stdio is..." >&4 $cat >try.c < #define FILE_ptr(fp) $stdio_ptr #define FILE_cnt(fp) $stdio_cnt int main() { FILE *fp = fopen("try.c", "r"); char c = getc(fp); if ( 18 <= FILE_cnt(fp) && strncmp(FILE_ptr(fp), "include \n", 18) == 0 ) exit(0); exit(1); } EOP val="$undef" set try if eval $compile; then if ./try; then echo "Your stdio acts pretty std." val="$define" else echo "Your stdio isn't very std." fi else echo "Your stdio doesn't appear very std." fi $rm -f try.c try set d_stdstdio eval $setvar : Can _ptr be used as an lvalue? case "$d_stdstdio$ptr_lval" in $define$define) val=$define ;; *) val=$undef ;; esac set d_stdio_ptr_lval eval $setvar : Can _cnt be used as an lvalue? case "$d_stdstdio$cnt_lval" in $define$define) val=$define ;; *) val=$undef ;; esac set d_stdio_cnt_lval eval $setvar : test whether setting _ptr sets _cnt as a side effect d_stdio_ptr_lval_sets_cnt="$undef" d_stdio_ptr_lval_nochange_cnt="$undef" case "$d_stdio_ptr_lval$d_stdstdio" in $define$define) echo "Checking to see what happens if we set the stdio ptr..." >&4 $cat >try.c < /* Can we scream? */ /* Eat dust sed :-) */ /* In the buffer space, no one can hear you scream. */ #define FILE_ptr(fp) $stdio_ptr #define FILE_cnt(fp) $stdio_cnt #include int main() { FILE *fp = fopen("try.c", "r"); int c; char *ptr; size_t cnt; if (!fp) { puts("Fail even to read"); exit(1); } c = getc(fp); /* Read away the first # */ if (c == EOF) { puts("Fail even to read"); exit(1); } if (!( 18 <= FILE_cnt(fp) && strncmp(FILE_ptr(fp), "include \n", 18) == 0 )) { puts("Fail even to read"); exit (1); } ptr = (char*) FILE_ptr(fp); cnt = (size_t)FILE_cnt(fp); FILE_ptr(fp) += 42; if ((char*)FILE_ptr(fp) != (ptr + 42)) { printf("Fail ptr check %p != %p", FILE_ptr(fp), (ptr + 42)); exit (1); } if (FILE_cnt(fp) <= 20) { printf ("Fail (<20 chars to test)"); exit (1); } if (strncmp(FILE_ptr(fp), "Eat dust sed :-) */\n", 20) != 0) { puts("Fail compare"); exit (1); } if (cnt == FILE_cnt(fp)) { puts("Pass_unchanged"); exit (0); } if (FILE_cnt(fp) == (cnt - 42)) { puts("Pass_changed"); exit (0); } printf("Fail count was %d now %d\n", cnt, FILE_cnt(fp)); return 1; } EOP set try if eval $compile; then case `./try$exe_ext` in Pass_changed) echo "Increasing ptr in your stdio decreases cnt by the same amount. Good." >&4 d_stdio_ptr_lval_sets_cnt="$define" ;; Pass_unchanged) echo "Increasing ptr in your stdio leaves cnt unchanged. Good." >&4 d_stdio_ptr_lval_nochange_cnt="$define" ;; Fail*) echo "Increasing ptr in your stdio didn't do exactly what I expected. We'll not be doing that then." >&4 ;; *) echo "It appears attempting to set ptr in your stdio is a bad plan." >&4 ;; esac else echo "It seems we can't set ptr in your stdio. Nevermind." >&4 fi $rm -f try.c try ;; esac : see if _base is also standard val="$undef" case "$d_stdstdio" in $define) $cat >try.c < #define FILE_base(fp) $stdio_base #define FILE_bufsiz(fp) $stdio_bufsiz int main() { FILE *fp = fopen("try.c", "r"); char c = getc(fp); if ( 19 <= FILE_bufsiz(fp) && strncmp(FILE_base(fp), "#include \n", 19) == 0 ) exit(0); exit(1); } EOP set try if eval $compile; then if ./try; then echo "And its _base field acts std." val="$define" else echo "But its _base field isn't std." fi else echo "However, it seems to be lacking the _base field." fi $rm -f try.c try ;; esac set d_stdiobase eval $setvar $cat >&4 <try.c < int main() { if (&STDIO_STREAM_ARRAY[fileno(stdin)] == stdin) printf("yes\n"); } EOCP for s in _iob __iob __sF do set try -DSTDIO_STREAM_ARRAY=$s if eval $compile; then case "`./try$exe_ext`" in yes) stdio_stream_array=$s; break ;; esac fi done $rm -f try.* try$exe_ext esac case "$stdio_stream_array" in '') $cat >&4 <&4 <&4 $cat >try.c <<'EOCP' int main() { struct blurfl { int dyick; } foo, bar; foo = bar; } EOCP if $cc -c try.c >/dev/null 2>&1 ; then val="$define" echo "Yup, it can." else val="$undef" echo "Nope, it can't." fi set d_strctcpy eval $setvar $rm -f try.* : see if strerror and/or sys_errlist[] exist echo " " if test "X$d_strerror" = X -o "X$d_syserrlst" = X; then if set strerror val -f d_strerror; eval $csym; $val; then echo 'strerror() found.' >&4 d_strerror="$define" d_strerrm='strerror(e)' if set sys_errlist val -a d_syserrlst; eval $csym; $val; then echo "(You also have sys_errlist[], so we could roll our own strerror.)" d_syserrlst="$define" else echo "(Since you don't have sys_errlist[], sterror() is welcome.)" d_syserrlst="$undef" fi elif xxx=`./findhdr string.h`; test "$xxx" || xxx=`./findhdr strings.h`; \ $contains '#[ ]*define.*strerror' "$xxx" >/dev/null 2>&1; then echo 'strerror() found in string header.' >&4 d_strerror="$define" d_strerrm='strerror(e)' if set sys_errlist val -a d_syserrlst; eval $csym; $val; then echo "(Most probably, strerror() uses sys_errlist[] for descriptions.)" d_syserrlst="$define" else echo "(You don't appear to have any sys_errlist[], how can this be?)" d_syserrlst="$undef" fi elif set sys_errlist val -a d_syserrlst; eval $csym; $val; then echo "strerror() not found, but you have sys_errlist[] so we'll use that." >&4 d_strerror="$undef" d_syserrlst="$define" d_strerrm='((e)<0||(e)>=sys_nerr?"unknown":sys_errlist[e])' else echo 'strerror() and sys_errlist[] NOT found.' >&4 d_strerror="$undef" d_syserrlst="$undef" d_strerrm='"unknown"' fi fi : see if strtod exists set strtod d_strtod eval $inlibc : see if strtol exists set strtol d_strtol eval $inlibc : see if strtold exists set strtold d_strtold eval $inlibc : see if strtoll exists set strtoll d_strtoll eval $inlibc case "$d_longlong-$d_strtoll" in "$define-$define") $cat <try.c <<'EOCP' #include #ifdef __hpux #define strtoll __strtoll #endif #ifdef __EMX__ #define strtoll _strtoll #endif #include extern long long int strtoll(char *s, char **, int); static int bad = 0; int check(char *s, long long ell, int een) { long long gll; errno = 0; gll = strtoll(s, 0, 10); if (!((gll == ell) && (errno == een))) bad++; } int main() { check(" 1", 1LL, 0); check(" 0", 0LL, 0); check("-1", -1LL, 0); check("-9223372036854775808", -9223372036854775808LL, 0); check("-9223372036854775808", -9223372036854775808LL, 0); check(" 9223372036854775807", 9223372036854775807LL, 0); check("-9223372036854775808", -9223372036854775808LL, 0); check(" 9223372036854775808", 9223372036854775807LL, ERANGE); check("-9223372036854775809", -9223372036854775808LL, ERANGE); if (!bad) printf("ok\n"); } EOCP set try if eval $compile; then yyy=`./try` case "$yyy" in ok) echo "Your strtoll() seems to be working okay." ;; *) cat <&4 Your strtoll() doesn't seem to be working okay. EOM d_strtoll="$undef" ;; esac else echo "(I can't seem to compile the test program--assuming it doesn't)" d_strtoll="$undef" fi ;; esac : see if strtoul exists set strtoul d_strtoul eval $inlibc : see if strtoull exists set strtoull d_strtoull eval $inlibc case "$d_longlong-$d_strtoull" in "$define-$define") $cat <try.c <<'EOCP' #include #ifdef __hpux #define strtoull __strtoull #endif #include extern unsigned long long int strtoull(char *s, char **, int); static int bad = 0; int check(char *s, long long eull, int een) { long long gull; errno = 0; gull = strtoull(s, 0, 10); if (!((gull == eull) && (errno == een))) bad++; } int main() { check(" 1", 1LL, 0); check(" 0", 0LL, 0); check("18446744073709551615", 18446744073709551615ULL, 0); check("18446744073709551616", 18446744073709551615ULL, ERANGE); if (!bad) printf("ok\n"); } EOCP set try if eval $compile; then case "`./try`" in ok) echo "Your strtoull() seems to be working okay." ;; *) cat <&4 Your strtoull() doesn't seem to be working okay. EOM d_strtoull="$undef" ;; esac fi ;; esac : see if strtouq exists set strtouq d_strtouq eval $inlibc : see if strxfrm exists set strxfrm d_strxfrm eval $inlibc : see if symlink exists set symlink d_symlink eval $inlibc : see if syscall exists set syscall d_syscall eval $inlibc : see if sysconf exists set sysconf d_sysconf eval $inlibc : see if system exists set system d_system eval $inlibc : see if tcgetpgrp exists set tcgetpgrp d_tcgetpgrp eval $inlibc : see if tcsetpgrp exists set tcsetpgrp d_tcsetpgrp eval $inlibc : see if prototype for telldir is available echo " " set d_telldirproto telldir $i_systypes sys/types.h $i_dirent dirent.h eval $hasproto : see if this is a sys/times.h system set sys/times.h i_systimes eval $inhdr : see if times exists echo " " if set times val -f d_times; eval $csym; $val; then echo 'times() found.' >&4 d_times="$define" inc='' case "$i_systimes" in "$define") inc='sys/times.h';; esac rp="What is the type returned by times() on this system?" set clock_t clocktype long stdio.h sys/types.h $inc eval $typedef_ask else echo 'times() NOT found, hope that will do.' >&4 d_times="$undef" clocktype='int' fi : see if truncate exists set truncate d_truncate eval $inlibc : see if tzname[] exists echo " " if set tzname val -a d_tzname; eval $csym; $val; then val="$define" echo 'tzname[] found.' >&4 else val="$undef" echo 'tzname[] NOT found.' >&4 fi set d_tzname eval $setvar : see if umask exists set umask d_umask eval $inlibc : see if ustat exists set ustat d_ustat eval $inlibc : backward compatibility for d_hvfork if test X$d_hvfork != X; then d_vfork="$d_hvfork" d_hvfork='' fi : see if there is a vfork val='' set vfork val eval $inlibc : Ok, but do we want to use it. vfork is reportedly unreliable in : perl on Solaris 2.x, and probably elsewhere. case "$val" in $define) echo " " case "$usevfork" in false) dflt='n';; *) dflt='y';; esac cat <<'EOM' Perl can only use a vfork() that doesn't suffer from strict restrictions on calling functions or modifying global data in the child. For example, glibc-2.1 contains such a vfork() that is unsuitable. If your system provides a proper fork() call, chances are that you do NOT want perl to use vfork(). EOM rp="Do you still want to use vfork()?" . ./myread case "$ans" in y|Y) ;; *) echo "Ok, we won't use vfork()." val="$undef" ;; esac ;; esac set d_vfork eval $setvar case "$d_vfork" in $define) usevfork='true';; *) usevfork='false';; esac : see if this is an sysdir system set sys/dir.h i_sysdir eval $inhdr : see if this is an sysndir system set sys/ndir.h i_sysndir eval $inhdr : see if closedir exists set closedir d_closedir eval $inlibc case "$d_closedir" in "$define") echo " " echo "Checking whether closedir() returns a status..." >&4 cat > closedir.c < #endif #if defined(I_DIRENT) #include #if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */ #include #endif #else #ifdef I_SYS_NDIR #include #else #ifdef I_SYS_DIR #ifdef hp9000s500 #include /* may be wrong in the future */ #else #include #endif #endif #endif #endif int main() { return closedir(opendir(".")); } EOM set closedir if eval $compile_ok; then if ./closedir > /dev/null 2>&1 ; then echo "Yes, it does." val="$undef" else echo "No, it doesn't." val="$define" fi else echo "(I can't seem to compile the test program--assuming it doesn't)" val="$define" fi ;; *) val="$undef"; ;; esac set d_void_closedir eval $setvar $rm -f closedir* : see if there is a wait4 set wait4 d_wait4 eval $inlibc : see if waitpid exists set waitpid d_waitpid eval $inlibc : see if wcstombs exists set wcstombs d_wcstombs eval $inlibc : see if wctomb exists set wctomb d_wctomb eval $inlibc : preserve RCS keywords in files with variable substitution, grrr Date='$Date' Id='$Id' Log='$Log' RCSfile='$RCSfile' Revision='$Revision' case "$crosscompile" in ''|[nN]*) crosscompile="$undef" ;; esac case "$osname" in next|rhapsody|darwin) multiarch="$define" ;; esac case "$multiarch" in ''|[nN]*) multiarch="$undef" ;; esac : check for alignment requirements echo " " case "$crosscompile$multiarch" in *$define*) $cat <&4 if $test "X$uselongdouble" = Xdefine -a "X$d_longdbl" = Xdefine; then $cat >try.c <<'EOCP' typedef long double NV; EOCP else $cat >try.c <<'EOCP' typedef double NV; EOCP fi $cat >>try.c <<'EOCP' #include struct foobar { char foo; NV bar; } try_algn; int main() { printf("%d\n", (int)((char *)&try_algn.bar - (char *)&try_algn.foo)); return(0); } EOCP set try if eval $compile_ok; then dflt=`./try` else dflt='8' echo "(I can't seem to compile the test program...)" fi ;; *) dflt="$alignbytes" ;; esac rp="Doubles must be aligned on a how-many-byte boundary?" . ./myread alignbytes="$ans" $rm -f try.c try ;; esac : set the base revision baserev=5.0 : check for ordering of bytes in a long echo " " case "$crosscompile$multiarch" in *$define*) $cat <try.c <<'EOCP' #include int main() { int i; union { unsigned long l; char c[sizeof(long)]; } u; if (sizeof(long) > 4) u.l = (0x08070605L << 32) | 0x04030201L; else u.l = 0x04030201L; for (i = 0; i < sizeof(long); i++) printf("%c", u.c[i]+'0'); printf("\n"); exit(0); } EOCP xxx_prompt=y set try if eval $compile && ./try > /dev/null; then dflt=`./try` case "$dflt" in [1-4][1-4][1-4][1-4]|12345678|87654321) echo "(The test program ran ok.)" echo "byteorder=$dflt" xxx_prompt=n ;; ????|????????) echo "(The test program ran ok.)" ;; *) echo "(The test program didn't run right for some reason.)" ;; esac else dflt='4321' cat <<'EOM' (I can't seem to compile the test program. Guessing big-endian...) EOM fi case "$xxx_prompt" in y) rp="What is the order of bytes in a long?" . ./myread byteorder="$ans" ;; *) byteorder=$dflt ;; esac ;; esac $rm -f try.c try ;; esac : how do we catenate cpp tokens here? echo " " echo "Checking to see how your cpp does stuff like catenate tokens..." >&4 $cat >cpp_stuff.c <<'EOCP' #define RCAT(a,b)a/**/b #define ACAT(a,b)a ## b RCAT(Rei,ser) ACAT(Cir,cus) EOCP $cppstdin $cppflags $cppminus cpp_stuff.out 2>&1 if $contains 'Circus' cpp_stuff.out >/dev/null 2>&1; then echo "Oh! Smells like ANSI's been here." >&4 echo "We can catify or stringify, separately or together!" cpp_stuff=42 elif $contains 'Reiser' cpp_stuff.out >/dev/null 2>&1; then echo "Ah, yes! The good old days!" >&4 echo "However, in the good old days we don't know how to stringify and" echo "catify at the same time." cpp_stuff=1 else $cat >&4 <&4 $cat >try.c < #include #include int main() { #ifdef DB_VERSION_MAJOR /* DB version >= 2 */ int Major, Minor, Patch ; unsigned long Version ; (void)db_version(&Major, &Minor, &Patch) ; printf("You have Berkeley DB Version 2 or greater\n"); printf("db.h is from Berkeley DB Version %d.%d.%d\n", DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH); printf("libdb is from Berkeley DB Version %d.%d.%d\n", Major, Minor, Patch) ; /* check that db.h & libdb are compatible */ if (DB_VERSION_MAJOR != Major || DB_VERSION_MINOR != Minor || DB_VERSION_PATCH != Patch) { printf("db.h and libdb are incompatible\n") ; exit(3); } printf("db.h and libdb are compatible\n") ; Version = DB_VERSION_MAJOR * 1000000 + DB_VERSION_MINOR * 1000 + DB_VERSION_PATCH ; /* needs to be >= 2.3.4 */ if (Version < 2003004) { /* if (DB_VERSION_MAJOR == 2 && DB_VERSION_MINOR == 0 && DB_VERSION_PATCH < 5) { */ printf("but Perl needs Berkeley DB 2.3.4 or greater\n") ; exit(2); } exit(0); #else #if defined(_DB_H_) && defined(BTREEMAGIC) && defined(HASHMAGIC) printf("You have Berkeley DB Version 1\n"); exit(0); /* DB version < 2: the coast is clear. */ #else exit(1); /* not Berkeley DB? */ #endif #endif } EOCP set try if eval $compile_ok && ./try; then echo 'Looks OK.' >&4 else echo "I can't use Berkeley DB with your . I'll disable Berkeley DB." >&4 i_db=$undef case " $libs " in *"-ldb "*) : Remove db from list of libraries to use echo "Removing unusable -ldb from library list" >&4 set `echo X $libs | $sed -e 's/-ldb / /' -e 's/-ldb$//'` shift libs="$*" echo "libs = $libs" >&4 ;; esac fi $rm -f try.* ;; esac case "$i_db" in define) : Check the return type needed for hash echo " " echo "Checking return type needed for hash for Berkeley DB ..." >&4 $cat >try.c < #include #ifndef DB_VERSION_MAJOR u_int32_t hash_cb (ptr, size) const void *ptr; size_t size; { } HASHINFO info; int main() { info.hash = hash_cb; } #endif EOCP if $cc $ccflags -c try.c >try.out 2>&1 ; then if $contains warning try.out >>/dev/null 2>&1 ; then db_hashtype='int' else db_hashtype='u_int32_t' fi else : XXX Maybe we should just give up here. db_hashtype=u_int32_t $cat try.out >&4 echo "Help: I can't seem to compile the db test program." >&4 echo "Something's wrong, but I'll assume you use $db_hashtype." >&4 fi $rm -f try.* echo "Your version of Berkeley DB uses $db_hashtype for hash." ;; *) db_hashtype=u_int32_t ;; esac case "$i_db" in define) : Check the return type needed for prefix echo " " echo "Checking return type needed for prefix for Berkeley DB ..." >&4 cat >try.c < #include #ifndef DB_VERSION_MAJOR size_t prefix_cb (key1, key2) const DBT *key1; const DBT *key2; { } BTREEINFO info; int main() { info.prefix = prefix_cb; } #endif EOCP if $cc $ccflags -c try.c >try.out 2>&1 ; then if $contains warning try.out >>/dev/null 2>&1 ; then db_prefixtype='int' else db_prefixtype='size_t' fi else db_prefixtype='size_t' : XXX Maybe we should just give up here. $cat try.out >&4 echo "Help: I can't seem to compile the db test program." >&4 echo "Something's wrong, but I'll assume you use $db_prefixtype." >&4 fi $rm -f try.* echo "Your version of Berkeley DB uses $db_prefixtype for prefix." ;; *) db_prefixtype='size_t' ;; esac : check for void type echo " " echo "Checking to see how well your C compiler groks the void type..." >&4 case "$voidflags" in '') $cat >try.c <<'EOCP' #if TRY & 1 void sub() { #else sub() { #endif extern void moo(); /* function returning void */ void (*goo)(); /* ptr to func returning void */ #if TRY & 8 void *hue; /* generic ptr */ #endif #if TRY & 2 void (*foo[10])(); #endif #if TRY & 4 if(goo == moo) { exit(0); } #endif exit(0); } int main() { sub(); } EOCP if $cc $ccflags -c -DTRY=$defvoidused try.c >.out 2>&1 ; then voidflags=$defvoidused echo "Good. It appears to support void to the level $package wants.">&4 if $contains warning .out >/dev/null 2>&1; then echo "However, you might get some warnings that look like this:" $cat .out fi else echo "Hmm, your compiler has some difficulty with void. Checking further..." >&4 if $cc $ccflags -c -DTRY=1 try.c >/dev/null 2>&1; then echo "It supports 1..." if $cc $ccflags -c -DTRY=3 try.c >/dev/null 2>&1; then echo "It also supports 2..." if $cc $ccflags -c -DTRY=7 try.c >/dev/null 2>&1; then voidflags=7 echo "And it supports 4 but not 8 definitely." else echo "It doesn't support 4..." if $cc $ccflags -c -DTRY=11 try.c >/dev/null 2>&1; then voidflags=11 echo "But it supports 8." else voidflags=3 echo "Neither does it support 8." fi fi else echo "It does not support 2..." if $cc $ccflags -c -DTRY=13 try.c >/dev/null 2>&1; then voidflags=13 echo "But it supports 4 and 8." else if $cc $ccflags -c -DTRY=5 try.c >/dev/null 2>&1; then voidflags=5 echo "And it supports 4 but has not heard about 8." else echo "However it supports 8 but not 4." fi fi fi else echo "There is no support at all for void." voidflags=0 fi fi esac case "$voidflags" in "$defvoidused") ;; *) $cat >&4 <<'EOM' Support flag bits are: 1: basic void declarations. 2: arrays of pointers to functions returning void. 4: operations between pointers to and addresses of void functions. 8: generic void pointers. EOM dflt="$voidflags"; rp="Your void support flags add up to what?" . ./myread voidflags="$ans" ;; esac $rm -f try.* .out : How can we generate normalized random numbers ? echo " " echo "Looking for a random number function..." >&4 case "$randfunc" in '') if set drand48 val -f; eval $csym; $val; then dflt="drand48" echo "Good, found drand48()." >&4 elif set random val -f; eval $csym; $val; then dflt="random" echo "OK, found random()." >&4 else dflt="rand" echo "Yick, looks like I have to use rand()." >&4 fi echo " " ;; *) dflt="$randfunc" ;; esac cont=true case "$ccflags" in *-Dmy_rand=*|*-Dmy_srand=*) echo "Removing obsolete -Dmy_rand, -Dmy_srand, and -Drandbits from ccflags." >&4 ccflags="`echo $ccflags | sed -e 's/-Dmy_rand=random/ /'`" ccflags="`echo $ccflags | sed -e 's/-Dmy_srand=srandom/ /'`" ccflags="`echo $ccflags | sed -e 's/-Drandbits=[0-9][0-9]*/ /'`" ;; esac while $test "$cont"; do rp="Use which function to generate random numbers?" . ./myread if $test "$ans" = "$dflt"; then : null else randbits='' fi randfunc="$ans" if set $ans val -f; eval $csym; $val; then cont='' else dflt=y rp="I cannot find function $ans. Use that name anyway?" . ./myread dflt=rand case "$ans" in [yY]*) cont='';; esac fi case "$cont" in '') case "$randfunc" in drand48) drand01="drand48()" seedfunc="srand48" randbits=48 randseedtype=long ;; rand|random) case "$randbits" in '') echo "Checking to see how many bits your $randfunc() function produces..." >&4 $cat >try.c < #ifdef I_UNISTD # include #endif #ifdef I_STDLIB # include #endif int main() { register int i; register unsigned long tmp; register unsigned long max = 0L; for (i = 1000; i; i--) { tmp = (unsigned long) $randfunc(); if (tmp > max) max = tmp; } for (i = 0; max; i++) max /= 2; printf("%d\n",i); } EOCP set try if eval $compile_ok; then dflt=`try` else dflt='?' echo "(I can't seem to compile the test program...)" fi ;; *) dflt="$randbits" ;; esac rp="How many bits does your $randfunc() function produce?" . ./myread randbits="$ans" $rm -f try.c try drand01="($randfunc() / (double) ((unsigned long)1 << $randbits))" seedfunc="s$randfunc" randseedtype=unsigned ;; *) dflt="31" rp="How many bits does your $randfunc() function produce?" . ./myread randbits="$ans" seedfunc="s$randfunc" drand01="($randfunc() / (double) ((unsigned long)1 << $randbits))" if set $seedfunc val -f; eval $csym; $val; then echo "(Using $seedfunc() to seed random generator)" else echo "(Warning: no $seedfunc() to seed random generator)" seedfunc=rand fi randseedtype=unsigned ;; esac ;; esac done echo " " echo "Determining whether or not we are on an EBCDIC system..." >&4 $cat >tebcdic.c <<'EOM' int main() { if ('M'==0xd4) return 0; return 1; } EOM val=$undef set tebcdic if eval $compile_ok; then if ./tebcdic; then echo "You seem to speak EBCDIC." >&4 val="$define" else echo "Nope, no EBCDIC, probably ASCII or some ISO Latin. Or UTF8." >&4 fi else echo "I'm unable to compile the test program." >&4 echo "I'll assume ASCII or some ISO Latin. Or UTF8." >&4 fi $rm -f tebcdic.c tebcdic set ebcdic eval $setvar echo " " $cat >&4 < try.c ;; esac $cat >>try.c < #$i_unistd I_UNISTD #ifdef I_UNISTD # include #endif #$d_sysconf HAS_SYSCONF #$d_stdio_stream_array HAS_STDIO_STREAM_ARRAY #ifdef HAS_STDIO_STREAM_ARRAY # define STDIO_STREAM_ARRAY $stdio_stream_array #endif int main() { FILE* p = fopen("try.out", "w"); #ifdef TRY_FPUTC fputc('x', p); #else # ifdef TRY_FPRINTF fprintf(p, "x"); # endif #endif #ifdef TRY_FFLUSH_NULL fflush(NULL); #endif #ifdef TRY_FFLUSH_ALL { long open_max = -1; # ifdef PERL_FFLUSH_ALL_FOPEN_MAX open_max = PERL_FFLUSH_ALL_FOPEN_MAX; # else # if defined(HAS_SYSCONF) && defined(_SC_OPEN_MAX) open_max = sysconf(_SC_OPEN_MAX); # else # ifdef FOPEN_MAX open_max = FOPEN_MAX; # else # ifdef OPEN_MAX open_max = OPEN_MAX; # else # ifdef _NFILE open_max = _NFILE; # endif # endif # endif # endif # endif # ifdef HAS_STDIO_STREAM_ARRAY if (open_max > 0) { long i; for (i = 0; i < open_max; i++) if (STDIO_STREAM_ARRAY[i]._file >= 0 && STDIO_STREAM_ARRAY[i]._file < open_max && STDIO_STREAM_ARRAY[i]._flag) fflush(&STDIO_STREAM_ARRAY[i]); } } # endif #endif _exit(42); } EOCP : first we have to find out how _not_ to flush if $test "X$fflushNULL" = X -o "X$fflushall" = X; then output='' set try -DTRY_FPUTC if eval $compile; then $rm -f try.out ./try$exe_ext 2>/dev/null if $test ! -s try.out -a "X$?" = X42; then output=-DTRY_FPUTC fi fi case "$output" in '') set try -DTRY_FPRINTF $rm -f try.out if eval $compile; then $rm -f try.out ./try$exe_ext 2>/dev/null if $test ! -s try.out -a "X$?" = X42; then output=-DTRY_FPRINTF fi fi ;; esac fi : check for fflush NULL behaviour case "$fflushNULL" in '') set try -DTRY_FFLUSH_NULL $output if eval $compile; then $rm -f try.out ./try$exe_ext 2>/dev/null code="$?" if $test -s try.out -a "X$code" = X42; then fflushNULL="`$cat try.out`" else if $test "X$code" != X42; then $cat >&4 <&4 <tryp.c < int main(int argc, char **argv) { char buf[1024]; int i; char *bp = buf; while (1) { while ((i = getc(stdin)) != -1 && (*bp++ = i) != '\n' && bp < &buf[1024]) /* DO NOTHING */ ; *bp = '\0'; fprintf(stdout, "%s", buf); fflush(NULL); if (i == -1) return 0; bp = buf; } } EOCP fflushNULL="$define" set tryp if eval $compile; then $rm -f tryp.out $cat tryp.c | ./tryp$exe_ext 2>/dev/null > tryp.out if cmp tryp.c tryp.out >/dev/null 2>&1; then $cat >&4 <&4 <&4 <&4 <tryp.c < int main(int argc, char **argv) { char buf[1024]; int i; char *bp = buf; while (1) { while ((i = getc(stdin)) != -1 && (*bp++ = i) != '\n' && bp < &buf[1024]) /* DO NOTHING */ ; *bp = '\0'; fprintf(stdout, "%s", buf); fflush(stdin); if (i == -1) return 0; bp = buf; } } EOCP set tryp if eval $compile; then $rm -f tryp.out $cat tryp.c | ./tryp$exe_ext 2>/dev/null > tryp.out if cmp tryp.c tryp.out >/dev/null 2>&1; then $cat >&4 <&4 </dev/null if $test -s try.out -a "X$?" = X42; then fflushall="`$cat try.out`" fi fi $rm -f core try.core core.try.* case "$fflushall" in x) $cat >&4 <&4 <&4 <&4 </dev/null` unsigned short case $1 in unsigned) dflt="$1 $2" ;; *) dflt="$1" ;; esac ;; *) dflt="$gidtype";; esac case "$gidtype" in gid_t) echo "gid_t found." ;; *) rp="What is the type for group ids returned by getgid()?" . ./myread gidtype="$ans" ;; esac echo " " case "$gidtype" in *_t) zzz="$gidtype" ;; *) zzz="gid" ;; esac echo "Checking the size of $zzz..." >&4 cat > try.c < #include int main() { printf("%d\n", (int)sizeof($gidtype)); exit(0); } EOCP set try if eval $compile_ok; then yyy=`./try` case "$yyy" in '') gidsize=4 echo "(I can't execute the test program--guessing $gidsize.)" >&4 ;; *) gidsize=$yyy echo "Your $zzz is $gidsize bytes long." ;; esac else gidsize=4 echo "(I can't compile the test program--guessing $gidsize.)" >&4 fi echo " " case "$gidtype" in *_t) zzz="$gidtype" ;; *) zzz="gid" ;; esac echo "Checking the sign of $zzz..." >&4 cat > try.c < #include int main() { $gidtype foo = -1; if (foo < 0) printf("-1\n"); else printf("1\n"); } EOCP set try if eval $compile; then yyy=`./try` case "$yyy" in '') gidsign=1 echo "(I can't execute the test program--guessing unsigned.)" >&4 ;; *) gidsign=$yyy case "$gidsign" in 1) echo "Your $zzz is unsigned." ;; -1) echo "Your $zzz is signed." ;; esac ;; esac else gidsign=1 echo "(I can't compile the test program--guessing unsigned.)" >&4 fi echo " " if $test X"$quadtype" != X; then echo "Checking how to print 64-bit integers..." >&4 if $test X"$sPRId64" = X -a X"$quadtype" = Xint; then $cat >try.c <<'EOCP' #include #include int main() { int q = 12345678901; printf("%ld\n", q); } EOCP set try if eval $compile; then yyy=`./try$exe_ext` case "$yyy" in 12345678901) sPRId64='"d"'; sPRIi64='"i"'; sPRIu64='"u"'; sPRIo64='"o"'; sPRIx64='"x"'; sPRIXU64='"X"'; echo "We will use %d." ;; esac fi fi if $test X"$sPRId64" = X -a X"$quadtype" = Xlong; then $cat >try.c <<'EOCP' #include #include int main() { long q = 12345678901; printf("%ld\n", q); } EOCP set try if eval $compile; then yyy=`./try$exe_ext` case "$yyy" in 12345678901) sPRId64='"ld"'; sPRIi64='"li"'; sPRIu64='"lu"'; sPRIo64='"lo"'; sPRIx64='"lx"'; sPRIXU64='"lX"'; echo "We will use %ld." ;; esac fi fi if $test X"$sPRId64" = X -a X"$i_inttypes" = X"$define" -a X"$quadtype" = Xint64_t; then $cat >try.c <<'EOCP' #include #include #include int main() { int64_t q = 12345678901; printf("%" PRId64 "\n", q); } EOCP set try if eval $compile; then yyy=`./try$exe_ext` case "$yyy" in 12345678901) sPRId64=PRId64; sPRIi64=PRIi64; sPRIu64=PRIu64; sPRIo64=PRIo64; sPRIx64=PRIx64; sPRIXU64=PRIXU64; echo "We will use the C9X style." ;; esac fi fi if $test X"$sPRId64" = X -a X"$quadtype" = X"long long"; then $cat >try.c <<'EOCP' #include #include int main() { long long q = 12345678901LL; /* AIX cc requires the LL suffix. */ printf("%lld\n", q); } EOCP set try if eval $compile; then yyy=`./try$exe_ext` case "$yyy" in 12345678901) sPRId64='"lld"'; sPRIi64='"lli"'; sPRIu64='"llu"'; sPRIo64='"llo"'; sPRIx64='"llx"'; sPRIXU64='"llX"'; echo "We will use the %lld style." ;; esac fi fi if $test X"$sPRId64" = X -a X"$quadtype" != X; then $cat >try.c < #include int main() { $quadtype q = 12345678901; printf("%Ld\n", q); } EOCP set try if eval $compile; then yyy=`./try$exe_ext` case "$yyy" in 12345678901) sPRId64='"Ld"'; sPRIi64='"Li"'; sPRIu64='"Lu"'; sPRIo64='"Lo"'; sPRIx64='"Lx"'; sPRIXU64='"LX"'; echo "We will use %Ld." ;; esac fi fi if $test X"$sPRId64" = X -a X"$quadtype" != X; then $cat >try.c < #include int main() { $quadtype q = 12345678901; printf("%qd\n", q); } EOCP set try if eval $compile; then yyy=`./try$exe_ext` case "$yyy" in 12345678901) sPRId64='"qd"'; sPRIi64='"qi"'; sPRIu64='"qu"'; sPRIo64='"qo"'; sPRIx64='"qx"'; sPRIXU64='"qX"'; echo "We will use %qd." ;; esac fi fi if $test X"$sPRId64" = X; then echo "Cannot figure out how to print 64-bit integers." >&4 fi $rm -f try try.* fi case "$sPRId64" in '') d_PRId64="$undef"; d_PRIi64="$undef"; d_PRIu64="$undef"; d_PRIo64="$undef"; d_PRIx64="$undef"; d_PRIXU64="$undef"; ;; *) d_PRId64="$define"; d_PRIi64="$define"; d_PRIu64="$define"; d_PRIo64="$define"; d_PRIx64="$define"; d_PRIXU64="$define"; ;; esac echo " " $echo "Checking the format strings to be used for Perl's internal types..." >&4 if $test X"$ivsize" = X8; then ivdformat="$sPRId64" uvuformat="$sPRIu64" uvoformat="$sPRIo64" uvxformat="$sPRIx64" uvXUformat="$sPRIXU64" else if $test X"$ivsize" = X"$longsize"; then ivdformat='"ld"' uvuformat='"lu"' uvoformat='"lo"' uvxformat='"lx"' uvXUformat='"lX"' else if $test X"$ivsize" = X"$intsize"; then ivdformat='"d"' uvuformat='"u"' uvoformat='"o"' uvxformat='"x"' uvXUformat='"X"' else : far out if $test X"$ivsize" = X"$shortsize"; then ivdformat='"hd"' uvuformat='"hu"' uvoformat='"ho"' uvxformat='"hx"' uvXUformat='"hX"' fi fi fi fi if $test X"$uselongdouble" = X"$define" -a X"$d_longdbl" = X"$define" -a X"$d_PRIgldbl" = X"$define"; then nveformat="$sPRIeldbl" nvfformat="$sPRIfldbl" nvgformat="$sPRIgldbl" nvEUformat="$sPRIEUldbl" nvFUformat="$sPRIFUldbl" nvGUformat="$sPRIGUldbl" else nveformat='"e"' nvfformat='"f"' nvgformat='"g"' nvEUformat='"E"' nvFUformat='"F"' nvGUformat='"G"' fi case "$ivdformat" in '') echo "$0: Fatal: failed to find format strings, cannot continue." >& 4 exit 1 ;; esac echo " " $echo "Checking the format string to be used for gids..." >&4 case "$gidsign" in -1) if $test X"$gidsize" = X"$ivsize"; then gidformat="$ivdformat" else if $test X"$gidsize" = X"$longsize"; then gidformat='"ld"' else if $test X"$gidsize" = X"$intsize"; then gidformat='"d"' else if $test X"$gidsize" = X"$shortsize"; then gidformat='"hd"' fi fi fi fi ;; *) if $test X"$gidsize" = X"$uvsize"; then gidformat="$uvuformat" else if $test X"$gidsize" = X"$longsize"; then gidformat='"lu"' else if $test X"$gidsize" = X"$intsize"; then gidformat='"u"' else if $test X"$gidsize" = X"$shortsize"; then gidformat='"hu"' fi fi fi fi ;; esac : see if getgroups exists set getgroups d_getgrps eval $inlibc : see if setgroups exists set setgroups d_setgrps eval $inlibc : Find type of 2nd arg to 'getgroups()' and 'setgroups()' echo " " case "$d_getgrps$d_setgrps" in *define*) case "$groupstype" in '') dflt="$gidtype" ;; *) dflt="$groupstype" ;; esac $cat <&4 case "$make_set_make" in '') $sed 's/^X //' > testmake.mak << 'EOF' Xall: X @echo 'maketemp="$(MAKE)"' EOF case "`$make -f testmake.mak 2>/dev/null`" in *maketemp=*) make_set_make='#' ;; *) make_set_make="MAKE=$make" ;; esac $rm -f testmake.mak ;; esac case "$make_set_make" in '#') echo "Yup, it does.";; *) echo "Nope, it doesn't.";; esac : see what type is used for mode_t rp="What is the type used for file modes for system calls (e.g. fchmod())?" set mode_t modetype int stdio.h sys/types.h eval $typedef_ask : define a fucntion to check prototypes $cat > protochk <> protochk <<'EOSH' $rm -f try.c foo="$1" shift while test $# -ge 2; do case "$1" in $define) echo "#include <$2>" >> try.c ;; literal) echo "$2" >> try.c ;; esac shift 2 done test "$prototype" = "$define" && echo '#define CAN_PROTOTYPE' >> try.c cat >> try.c <<'EOCP' #ifdef CAN_PROTOTYPE #define _(args) args #else #define _(args) () #endif EOCP echo "$foo" >> try.c echo 'int no_real_function_has_this_name _((void)) { return 0; }' >> try.c $cc $optimize $ccflags -c try.c > /dev/null 2>&1 status=$? $rm -f try.[co] exit $status EOSH chmod +x protochk $eunicefix protochk : see what type is used for size_t rp="What is the type used for the length parameter for string functions?" set size_t sizetype 'unsigned int' stdio.h sys/types.h eval $typedef_ask : check for type of arguments to gethostbyaddr. if test "X$netdb_host_type" = X -o "X$netdb_hlen_type" = X; then case "$d_gethbyaddr" in $define) $cat <&4 if test "$voidflags" -gt 7; then echo '#define VOID_PTR char *' > try.c else echo '#define VOID_PTR void *' > try.c fi $cat >>try.c <<'EOCP' #include int main() { printf("%d\n", (int)sizeof(VOID_PTR)); exit(0); } EOCP set try if eval $compile_ok; then ptrsize=`./try` echo "Your pointers are $ptrsize bytes long." else dflt='4' echo "(I can't seem to compile the test program. Guessing...)" >&4 rp="What is the size of a pointer (in bytes)?" . ./myread ptrsize="$ans" fi ;; esac $rm -f try.c try : see if ar generates random libraries by itself echo " " echo "Checking how to generate random libraries on your machine..." >&4 echo 'int bar1() { return bar2(); }' > bar1.c echo 'int bar2() { return 2; }' > bar2.c $cat > foo.c <<'EOP' int main() { printf("%d\n", bar1()); exit(0); } EOP $cc $ccflags -c bar1.c >/dev/null 2>&1 $cc $ccflags -c bar2.c >/dev/null 2>&1 $cc $ccflags -c foo.c >/dev/null 2>&1 $ar rc bar$_a bar2$_o bar1$_o >/dev/null 2>&1 if $cc -o foobar $ccflags $ldflags foo$_o bar$_a $libs > /dev/null 2>&1 && ./foobar >/dev/null 2>&1; then echo "$ar appears to generate random libraries itself." orderlib=false ranlib=":" elif $ar ts bar$_a >/dev/null 2>&1 && $cc -o foobar $ccflags $ldflags foo$_o bar$_a $libs > /dev/null 2>&1 && ./foobar >/dev/null 2>&1; then echo "a table of contents needs to be added with '$ar ts'." orderlib=false ranlib="$ar ts" else case "$ranlib" in :) ranlib='';; '') ranlib=`./loc ranlib X /usr/bin /bin /usr/local/bin` $test -f $ranlib || ranlib='' ;; esac if $test -n "$ranlib"; then echo "your system has '$ranlib'; we'll use that." orderlib=false else echo "your system doesn't seem to support random libraries" echo "so we'll use lorder and tsort to order the libraries." orderlib=true ranlib=":" fi fi $rm -f foo* bar* : check for type of arguments to select. case "$selecttype" in '') case "$d_select" in $define) echo " " $cat <try.c < #$i_time I_TIME #$i_systime I_SYS_TIME #$i_systimek I_SYS_TIME_KERNEL #ifdef I_TIME # include #endif #ifdef I_SYS_TIME # ifdef I_SYS_TIME_KERNEL # define KERNEL # endif # include # ifdef I_SYS_TIME_KERNEL # undef KERNEL # endif #endif #$i_sysselct I_SYS_SELECT #ifdef I_SYS_SELECT #include #endif #$d_socket HAS_SOCKET #ifdef HAS_SOCKET # include /* Might include */ #endif #include $selecttype b; #define S sizeof(*(b)) #define MINBITS 64 #define NBYTES (S * 8 > MINBITS ? S : MINBITS/8) #define NBITS (NBYTES * 8) int main() { char s[NBYTES]; struct timeval t; int i; FILE* fp; int fd; fclose(stdin); fp = fopen("try.c", "r"); if (fp == 0) exit(1); fd = fileno(fp); if (fd < 0) exit(2); b = ($selecttype)s; for (i = 0; i < NBITS; i++) FD_SET(i, b); t.tv_sec = 0; t.tv_usec = 0; select(fd + 1, b, 0, 0, &t); for (i = NBITS - 1; i > fd && FD_ISSET(i, b); i--); printf("%d\n", i + 1); return 0; } EOCP set try if eval $compile_ok; then selectminbits=`./try` case "$selectminbits" in '') cat >&4 <&4 else rp='What is the minimum number of bits your select() operates on?' case "$byteorder" in 1234|12345678) dflt=32 ;; *) dflt=1 ;; esac . ./myread val=$ans selectminbits="$val" fi $rm -f try.* try ;; *) : no select, so pick a harmless default selectminbits='32' ;; esac ;; esac : Trace out the files included by signal.h, then look for SIGxxx names. : Remove SIGARRAYSIZE used by HPUX. : Remove SIGSTKSIZE used by Linux. : Remove SIGSTKSZ used by Posix. : Remove SIGTYP void lines used by OS2. : Some cpps, like os390, dont give the file name anywhere if [ "X$fieldn" = X ]; then : Just make some guesses. We check them later. xxx='/usr/include/signal.h /usr/include/sys/signal.h' else xxx=`echo '#include ' | $cppstdin $cppminus $cppflags 2>/dev/null | $grep '^[ ]*#.*include' | $awk "{print \\$$fieldn}" | $sed 's!"!!g' | $sort | $uniq` fi : Check this list of files to be sure we have parsed the cpp output ok. : This will also avoid potentially non-existent files, such : as ../foo/bar.h xxxfiles='' for xx in $xxx /dev/null ; do $test -f "$xx" && xxxfiles="$xxxfiles $xx" done : If we have found no files, at least try signal.h case "$xxxfiles" in '') xxxfiles=`./findhdr signal.h` ;; esac xxx=`awk ' $1 ~ /^#define$/ && $2 ~ /^SIG[A-Z0-9]*$/ && $2 !~ /SIGARRAYSIZE/ && $2 !~ /SIGSTKSIZE/ && $2 !~ /SIGSTKSZ/ && $3 !~ /void/ { print substr($2, 4, 20) } $1 == "#" && $2 ~ /^define$/ && $3 ~ /^SIG[A-Z0-9]*$/ && $3 !~ /SIGARRAYSIZE/ && $4 !~ /void/ { print substr($3, 4, 20) }' $xxxfiles` : Append some common names just in case the awk scan failed. xxx="$xxx ABRT ALRM BUS CANCEL CHLD CLD CONT DIL EMT FPE" xxx="$xxx FREEZE HUP ILL INT IO IOT KILL LOST LWP PHONE" xxx="$xxx PIPE POLL PROF PWR QUIT RTMAX RTMIN SEGV STKFLT STOP" xxx="$xxx SYS TERM THAW TRAP TSTP TTIN TTOU URG USR1 USR2" xxx="$xxx USR3 USR4 VTALRM WAITING WINCH WIND WINDOW XCPU XFSZ" : generate a few handy files for later $cat > signal.c <<'EOCP' #include #include #include int main() { /* Strange style to avoid deeply-nested #if/#else/#endif */ #ifndef NSIG # ifdef _NSIG # define NSIG (_NSIG) # endif #endif #ifndef NSIG # ifdef SIGMAX # define NSIG (SIGMAX+1) # endif #endif #ifndef NSIG # ifdef SIG_MAX # define NSIG (SIG_MAX+1) # endif #endif #ifndef NSIG # ifdef MAXSIG # define NSIG (MAXSIG+1) # endif #endif #ifndef NSIG # ifdef MAX_SIG # define NSIG (MAX_SIG+1) # endif #endif #ifndef NSIG # ifdef SIGARRAYSIZE # define NSIG (SIGARRAYSIZE+1) /* Not sure of the +1 */ # endif #endif #ifndef NSIG # ifdef _sys_nsig # define NSIG (_sys_nsig) /* Solaris 2.5 */ # endif #endif /* Default to some arbitrary number that's big enough to get most of the common signals. */ #ifndef NSIG # define NSIG 50 #endif printf("NSIG %d\n", NSIG); #ifndef JUST_NSIG EOCP echo $xxx | $tr ' ' $trnl | $sort | $uniq | $awk ' { printf "#ifdef SIG"; printf $1; printf "\n" printf "printf(\""; printf $1; printf " %%d\\n\",SIG"; printf $1; printf ");\n" printf "#endif\n" } END { printf "#endif /* JUST_NSIG */\n"; printf "exit(0);\n}\n"; } ' >>signal.c $cat >signal.awk <<'EOP' BEGIN { ndups = 0 } $1 ~ /^NSIG$/ { nsig = $2 } ($1 !~ /^NSIG$/) && (NF == 2) { if ($2 > maxsig) { maxsig = $2 } if (sig_name[$2]) { dup_name[ndups] = $1 dup_num[ndups] = $2 ndups++ } else { sig_name[$2] = $1 sig_num[$2] = $2 } } END { if (nsig == 0) { nsig = maxsig + 1 } printf("NSIG %d\n", nsig); for (n = 1; n < nsig; n++) { if (sig_name[n]) { printf("%s %d\n", sig_name[n], sig_num[n]) } else { printf("NUM%d %d\n", n, n) } } for (n = 0; n < ndups; n++) { printf("%s %d\n", dup_name[n], dup_num[n]) } } EOP $cat >signal_cmd <>signal_cmd <<'EOS' set signal if eval $compile_ok; then ./signal$_exe | $sort -n +1 | $uniq | $awk -f signal.awk >signal.lst else echo "(I can't seem be able to compile the whole test program)" >&4 echo "(I'll try it in little pieces.)" >&4 set signal -DJUST_NSIG if eval $compile_ok; then ./signal$_exe > signal.nsg $cat signal.nsg else echo "I can't seem to figure out how many signals you have." >&4 echo "Guessing 50." >&4 echo 'NSIG 50' > signal.nsg fi : Now look at all the signal names, one at a time. for xx in `echo $xxx | $tr ' ' $trnl | $sort | $uniq`; do $cat > signal.c < #include #include int main() { printf("$xx %d\n", SIG${xx}); return 0; } EOCP set signal if eval $compile; then echo "SIG${xx} found." ./signal$_exe >> signal.ls1 else echo "SIG${xx} NOT found." fi done if $test -s signal.ls1; then $cat signal.nsg signal.ls1 | $sort -n +1 | $uniq | $awk -f signal.awk >signal.lst fi fi if $test -s signal.lst; then : else echo "(AAK! I can't compile the test programs -- Guessing)" >&4 echo 'kill -l' >signal set X `csh -f signal.lst fi $rm -f signal.c signal$_exe signal$_o signal.nsg signal.ls1 EOS chmod a+x signal_cmd $eunicefix signal_cmd : generate list of signal names echo " " case "$sig_name_init" in '') doinit=yes ;; *) case "$sig_num_init" in ''|*,*) doinit=yes ;; esac ;; esac case "$doinit" in yes) echo "Generating a list of signal names and numbers..." >&4 . ./signal_cmd sig_count=`$awk '/^NSIG/ { printf "%d", $2 }' signal.lst` sig_name=`$awk 'BEGIN { printf "ZERO " } !/^NSIG/ { printf "%s ", $1 }' signal.lst` sig_num=`$awk 'BEGIN { printf "0 " } !/^NSIG/ { printf "%d ", $2 }' signal.lst` sig_name_init=`$awk 'BEGIN { printf "\"ZERO\", " } !/^NSIG/ { printf "\"%s\", ", $1 } END { printf "0\n" }' signal.lst` sig_num_init=`$awk 'BEGIN { printf "0, " } !/^NSIG/ { printf "%d, ", $2} END { printf "0\n"}' signal.lst` ;; esac echo "The following $sig_count signals are available:" echo " " echo $sig_name | $awk \ 'BEGIN { linelen = 0 } { for (i = 1; i <= NF; i++) { name = "SIG" $i " " linelen = linelen + length(name) if (linelen > 70) { printf "\n" linelen = length(name) } printf "%s", name } printf "\n" }' $rm -f signal signal.c signal.awk signal.lst signal_cmd echo " " case "$sizetype" in *_t) zzz="$sizetype" ;; *) zzz="filesize" ;; esac echo "Checking the size of $zzz..." >&4 cat > try.c < #include int main() { printf("%d\n", (int)sizeof($sizetype)); exit(0); } EOCP set try if eval $compile_ok; then yyy=`./try` case "$yyy" in '') sizesize=4 echo "(I can't execute the test program--guessing $sizesize.)" >&4 ;; *) sizesize=$yyy echo "Your $zzz size is $sizesize bytes." ;; esac else sizesize=4 echo "(I can't compile the test program--guessing $sizesize.)" >&4 fi : check for socklen_t echo " " echo "Checking to see if you have socklen_t..." >&4 $cat >try.c < #$d_socket HAS_SOCKET #ifdef HAS_SOCKET #include #endif int main() { socklen_t x = 16; } EOCP set try if eval $compile; then val="$define" echo "You have socklen_t." else val="$undef" echo "You do not have socklen_t." case "$sizetype" in size_t) echo "(You do have size_t, that might work. Some people are happy with just an int.)" ;; esac fi $rm -f try try.* set d_socklen_t eval $setvar : see if this is a socks.h system set socks.h i_socks eval $inhdr : check for type of the size argument to socket calls case "$d_socket" in "$define") $cat < ssize.c < #include #define Size_t $sizetype #define SSize_t $dflt int main() { if (sizeof(Size_t) == sizeof(SSize_t)) printf("$dflt\n"); else if (sizeof(Size_t) == sizeof(int)) printf("int\n"); else printf("long\n"); exit(0); } EOM echo " " set ssize if eval $compile_ok && ./ssize > /dev/null; then ssizetype=`./ssize` echo "I'll be using $ssizetype for functions returning a byte count." >&4 else $cat >&4 <' | $cppstdin $cppminus > stdioh if $contains 'unsigned.*char.*_ptr;' stdioh >/dev/null 2>&1 ; then echo "Your stdio uses unsigned chars." >&4 stdchar="unsigned char" else echo "Your stdio uses signed chars." >&4 stdchar="char" fi $rm -f stdioh : see if time exists echo " " if test "X$d_time" = X -o X"$timetype" = X; then if set time val -f d_time; eval $csym; $val; then echo 'time() found.' >&4 val="$define" rp="What is the type returned by time() on this system?" set time_t timetype long stdio.h sys/types.h eval $typedef_ask else echo 'time() not found, hope that will do.' >&4 val="$undef" timetype='int'; fi set d_time eval $setvar fi : see what type uids are declared as in the kernel echo " " echo "Looking for the type for user ids returned by getuid()." set uid_t uidtype xxx stdio.h sys/types.h eval $typedef case "$uidtype" in xxx) xxx=`./findhdr sys/user.h` set `grep '_ruid;' "$xxx" 2>/dev/null` unsigned short case $1 in unsigned) dflt="$1 $2" ;; *) dflt="$1" ;; esac ;; *) dflt="$uidtype";; esac case "$uidtype" in uid_t) echo "uid_t found." ;; *) rp="What is the type for user ids returned by getuid()?" . ./myread uidtype="$ans" ;; esac echo " " case "$uidtype" in *_t) zzz="$uidtype" ;; *) zzz="uid" ;; esac echo "Checking the size of $zzz..." >&4 cat > try.c < #include int main() { printf("%d\n", (int)sizeof($uidtype)); exit(0); } EOCP set try if eval $compile_ok; then yyy=`./try` case "$yyy" in '') uidsize=4 echo "(I can't execute the test program--guessing $uidsize.)" >&4 ;; *) uidsize=$yyy echo "Your $zzz is $uidsize bytes long." ;; esac else uidsize=4 echo "(I can't compile the test program--guessing $uidsize.)" >&4 fi echo " " case "$uidtype" in *_t) zzz="$uidtype" ;; *) zzz="uid" ;; esac echo "Checking the sign of $zzz..." >&4 cat > try.c < #include int main() { $uidtype foo = -1; if (foo < 0) printf("-1\n"); else printf("1\n"); } EOCP set try if eval $compile; then yyy=`./try` case "$yyy" in '') uidsign=1 echo "(I can't execute the test program--guessing unsigned.)" >&4 ;; *) uidsign=$yyy case "$uidsign" in 1) echo "Your $zzz is unsigned." ;; -1) echo "Your $zzz is signed." ;; esac ;; esac else uidsign=1 echo "(I can't compile the test program--guessing unsigned.)" >&4 fi echo " " $echo "Checking the format string to be used for uids..." >&4 case "$uidsign" in -1) if $test X"$uidsize" = X"$ivsize"; then uidformat="$ivdformat" else if $test X"$uidsize" = X"$longsize"; then uidformat='"ld"' else if $test X"$uidsize" = X"$intsize"; then uidformat='"d"' else if $test X"$uidsize" = X"$shortsize"; then uidformat='"hd"' fi fi fi fi ;; *) if $test X"$uidsize" = X"$uvsize"; then uidformat="$uvuformat" else if $test X"$uidsize" = X"$longsize"; then uidformat='"lu"' else if $test X"$uidsize" = X"$intsize"; then uidformat='"u"' else if $test X"$uidsize" = X"$shortsize"; then uidformat='"hu"' fi fi fi fi ;; esac : determine compiler compiler case "$yacc" in '') dflt=yacc;; *) dflt="$yacc";; esac echo " " comp='yacc' if $test -f "$byacc"; then dflt="$byacc" comp="byacc or $comp" fi if $test -f "$bison"; then comp="$comp or bison -y" fi rp="Which compiler compiler ($comp) shall I use?" . ./myread yacc="$ans" case "$yacc" in *bis*) case "$yacc" in *-y*) ;; *) yacc="$yacc -y" echo "(Adding -y option to bison to get yacc-compatible behaviour.)" ;; esac ;; esac : see if dbm.h is available : see if dbmclose exists set dbmclose d_dbmclose eval $inlibc case "$d_dbmclose" in $define) set dbm.h i_dbm eval $inhdr case "$i_dbm" in $define) val="$undef" set i_rpcsvcdbm eval $setvar ;; *) set rpcsvc/dbm.h i_rpcsvcdbm eval $inhdr ;; esac ;; *) echo "We won't be including " val="$undef" set i_dbm eval $setvar val="$undef" set i_rpcsvcdbm eval $setvar ;; esac : see if this is a sys/file.h system val='' set sys/file.h val eval $inhdr : do we need to include sys/file.h ? case "$val" in "$define") echo " " if $h_sysfile; then val="$define" echo "We'll be including ." >&4 else val="$undef" echo "We won't be including ." >&4 fi ;; *) h_sysfile=false ;; esac set i_sysfile eval $setvar : see if fcntl.h is there val='' set fcntl.h val eval $inhdr : see if we can include fcntl.h case "$val" in "$define") echo " " if $h_fcntl; then val="$define" echo "We'll be including ." >&4 else val="$undef" if $h_sysfile; then echo "We don't need to include if we include ." >&4 else echo "We won't be including ." >&4 fi fi ;; *) h_fcntl=false val="$undef" ;; esac set i_fcntl eval $setvar : see if this is a iconv.h system set iconv.h i_iconv eval $inhdr : see if this is a ieeefp.h system set ieeefp.h i_ieeefp eval $inhdr : see if this is a libutil.h system set libutil.h i_libutil eval $inhdr : see if locale.h is available set locale.h i_locale eval $inhdr : see if mach cthreads are available if test "X$usethreads" = "X$define"; then set mach/cthreads.h i_machcthr eval $inhdr else i_machcthr="$undef" fi : see if this is a math.h system set math.h i_math eval $inhdr : see if this is a mntent.h system set mntent.h i_mntent eval $inhdr : see if ndbm.h is available set ndbm.h t_ndbm eval $inhdr case "$t_ndbm" in $define) : see if dbm_open exists set dbm_open d_dbm_open eval $inlibc case "$d_dbm_open" in $undef) t_ndbm="$undef" echo "We won't be including " ;; esac ;; esac val="$t_ndbm" set i_ndbm eval $setvar : see if net/errno.h is available val='' set net/errno.h val eval $inhdr : Unfortunately, it causes problems on some systems. Arrgh. case "$val" in $define) cat > try.c <<'EOM' #include #include #include int func() { return ENOTSOCK; } EOM if $cc $ccflags -c try.c >/dev/null 2>&1; then echo "We'll be including ." >&4 else echo "We won't be including ." >&4 val="$undef" fi $rm -f try.* try ;; esac set i_neterrno eval $setvar : see if netinet/tcp.h is available set netinet/tcp.h i_netinettcp eval $inhdr : see if this is a poll.h system set poll.h i_poll eval $inhdr : see if this is a prot.h system set prot.h i_prot eval $inhdr echo " " $echo "Guessing which symbols your C compiler and preprocessor define..." >&4 $cat <<'EOSH' > Cppsym.know a29k ABI64 aegis AES_SOURCE AIX AIX32 AIX370 AIX41 AIX42 AIX43 AIX_SOURCE aixpc ALL_SOURCE alliant alpha am29000 AM29000 AMD64 amiga AMIGAOS AMIX ansi ANSI_C_SOURCE apollo ardent ARM32 atarist att386 att3b BeOS BIG_ENDIAN BIT_MSF bsd BSD bsd43 bsd4_2 bsd4_3 BSD4_3 bsd4_4 BSD_4_3 BSD_4_4 BSD_NET2 BSD_TIME BSD_TYPES BSDCOMPAT bsdi bull c cadmus clipper CMU COFF COMPILER_VERSION concurrent convex cpu cray CRAY CRAYMPP ctix CX_UX CYGWIN DGUX DGUX_SOURCE DJGPP dmert DOLPHIN DPX2 DSO Dynix DynixPTX ELF encore EPI EXTENSIONS FILE_OFFSET_BITS FreeBSD GCC_NEW_VARARGS gcos gcx gimpel GNU_SOURCE GNUC GNUC_MINOR GO32 gould GOULD_PN H3050R H3050RX hbullx20 hcx host_mips hp200 hp300 hp700 HP700 hp800 hp9000 hp9000s200 hp9000s300 hp9000s400 hp9000s500 hp9000s700 hp9000s800 hp9k8 hp_osf hppa hpux HPUX_SOURCE i186 i286 i386 i486 i586 i686 i8086 i80960 i860 I960 IA64 iAPX286 ibm ibm032 ibmesa IBMR2 ibmrt ILP32 ILP64 INLINE_INTRINSICS INTRINSICS INT64 interdata is68k ksr1 LANGUAGE_C LARGE_FILE_API LARGEFILE64_SOURCE LARGEFILE_SOURCE LFS64_LARGEFILE LFS_LARGEFILE Linux LITTLE_ENDIAN LONG64 LONG_DOUBLE LONG_LONG LONGDOUBLE LONGLONG LP64 luna luna88k Lynx M68000 m68k m88100 m88k M88KBCS_TARGET M_COFF M_I186 M_I286 M_I386 M_I8086 M_I86 M_I86SM M_SYS3 M_SYS5 M_SYSIII M_SYSV M_UNIX M_XENIX MACH machine MachTen MATH_HAS_NO_SIDE_EFFECTS mc300 mc500 mc68000 mc68010 mc68020 mc68030 mc68040 mc68060 mc68k mc68k32 mc700 mc88000 mc88100 merlin mert MiNT mips MIPS_FPSET MIPS_ISA MIPS_SIM MIPS_SZINT MIPS_SZLONG MIPS_SZPTR MIPSEB MIPSEL MODERN_C motorola mpeix MSDOS MTXINU MULTIMAX mvs MVS n16 ncl_el ncl_mr NetBSD news1500 news1700 news1800 news1900 news3700 news700 news800 news900 NeXT NLS nonstopux ns16000 ns32000 ns32016 ns32332 ns32k nsc32000 OCS88 OEMVS OpenBSD os OS2 OS390 osf OSF1 OSF_SOURCE pa_risc PA_RISC1_1 PA_RISC2_0 PARAGON parisc pc532 pdp11 PGC PIC plexus PORTAR posix POSIX1B_SOURCE POSIX2_SOURCE POSIX4_SOURCE POSIX_C_SOURCE POSIX_SOURCE POWER PROTOTYPES PWB pyr QNX R3000 REENTRANT RES Rhapsody RISC6000 riscix riscos RT S390 SA110 scs SCO sequent sgi SGI_SOURCE SH3 sinix SIZE_INT SIZE_LONG SIZE_PTR SOCKET_SOURCE SOCKETS_SOURCE sony sony_news sonyrisc sparc sparclite spectrum stardent stdc STDC_EXT stratos sun sun3 sun386 Sun386i svr3 svr4 SVR4_2 SVR4_SOURCE svr5 SX system SYSTYPE_BSD SYSTYPE_BSD43 SYSTYPE_BSD44 SYSTYPE_SVR4 SYSTYPE_SVR5 SYSTYPE_SYSV SYSV SYSV3 SYSV4 SYSV5 sysV68 sysV88 Tek4132 Tek4300 titan TM3200 TM5400 TM5600 tower tower32 tower32_200 tower32_600 tower32_700 tower32_800 tower32_850 tss u370 u3b u3b2 u3b20 u3b200 u3b20d u3b5 ultrix UMAXV UnicomPBB UnicomPBD UNICOS UNICOSMK unix UNIX95 UNIX99 unixpc unos USGr4 USGr4_2 Utek UTek UTS UWIN uxpm uxps vax venix VMESA vms xenix Xenix286 XOPEN_SOURCE XOPEN_SOURCE_EXTENDED XPG2 XPG2_EXTENDED XPG3 XPG3_EXTENDED XPG4 XPG4_EXTENDED z8000 EOSH # Maybe put other stuff here too. cat <>Cppsym.know $osname EOSH ./tr '[a-z]' '[A-Z]' < Cppsym.know > Cppsym.a ./tr '[A-Z]' '[a-z]' < Cppsym.know > Cppsym.b $cat Cppsym.know > Cppsym.c $cat Cppsym.a Cppsym.b Cppsym.c | $tr ' ' $trnl | $sort | $uniq > Cppsym.know $rm -f Cppsym.a Cppsym.b Cppsym.c cat < Cppsym $startsh if $test \$# -gt 0; then echo \$* | $tr " " "$trnl" | ./Cppsym.try > Cppsym.got if $test -s Cppsym.got; then $rm -f Cppsym.got exit 0 fi $rm -f Cppsym.got exit 1 else $tr " " "$trnl" | ./Cppsym.try exit 0 fi EOSH chmod +x Cppsym $eunicefix Cppsym cat < Cppsym.try $startsh cat <<'EOCP' > try.c #include int main() { EOCP $awk \\ EOSH cat <<'EOSH' >> Cppsym.try 'length($1) > 0 { printf "#ifdef %s\n#if %s+0\nprintf(\"%s=%%ld\\n\", %s);\n#else\nprintf(\"%s\\n\");\n#endif\n#endif\n", $1, $1, $1, $1, $1 printf "#ifdef _%s\n#if _%s+0\nprintf(\"_%s=%%ld\\n\", _%s);\n#else\nprintf(\"_%s\\n\");\n#endif\n#endif\n", $1, $1, $1, $1, $1 printf "#ifdef __%s\n#if __%s+0\nprintf(\"__%s=%%ld\\n\", __%s);\n#else\nprintf(\"__%s\\n\");\n#endif\n#endif\n", $1, $1, $1, $1, $1 printf "#ifdef __%s__\n#if __%s__+0\nprintf(\"__%s__=%%ld\\n\", __%s__);\n#else\nprintf(\"__%s__\\n\");\n#endif\n#endif\n", $1, $1, $1, $1, $1 }' >> try.c echo '}' >> try.c EOSH cat <> Cppsym.try ccflags="$ccflags" case "$osname-$gccversion" in irix-) ccflags="\$ccflags -woff 1178" ;; os2-*) ccflags="\$ccflags -Zlinker /PM:VIO" ;; esac $cc -o try $optimize \$ccflags $ldflags try.c $libs && ./try$exe_ext EOSH chmod +x Cppsym.try $eunicefix Cppsym.try ./Cppsym < Cppsym.know > Cppsym.true : now check the C compiler for additional symbols postprocess_cc_v='' case "$osname" in aix) postprocess_cc_v="|$tr , ' '" ;; esac $cat >ccsym <tmp.c <&1 $postprocess_cc_v\` do case "\$i" in -D*) echo "\$i" | $sed 's/^-D//';; -A*) $test "$gccversion" && echo "\$i" | $sed 's/^-A\(.*\)(\(.*\))/\1=\2/';; esac done $rm -f try.c EOS postprocess_cc_v='' chmod +x ccsym $eunicefix ccsym ./ccsym > ccsym1.raw if $test -s ccsym1.raw; then $sort ccsym1.raw | $uniq >ccsym.raw else mv ccsym1.raw ccsym.raw fi $awk '/\=/ { print $0; next } { print $0"=1" }' ccsym.raw >ccsym.list $awk '/\=/ { print $0; next } { print $0"=1" }' Cppsym.true >ccsym.true $comm -13 ccsym.true ccsym.list >ccsym.own $comm -12 ccsym.true ccsym.list >ccsym.com $comm -23 ccsym.true ccsym.list >ccsym.cpp also='' if $test -z ccsym.raw; then echo "Your C compiler doesn't seem to define any symbols!" >&4 echo " " echo "However, your C preprocessor defines the following symbols:" $cat Cppsym.true ccsymbols='' cppsymbols=`$cat Cppsym.true` cppsymbols=`echo $cppsymbols` cppccsymbols="$cppsymbols" else if $test -s ccsym.com; then echo "Your C compiler and pre-processor define these symbols:" $sed -e 's/\(..*\)=.*/\1/' ccsym.com also='also ' symbols='ones' cppccsymbols=`$cat ccsym.com` cppccsymbols=`echo $cppccsymbols` $test "$silent" || sleep 1 fi if $test -s ccsym.cpp; then $test "$also" && echo " " echo "Your C pre-processor ${also}defines the following symbols:" $sed -e 's/\(..*\)=.*/\1/' ccsym.cpp also='further ' cppsymbols=`$cat ccsym.cpp` cppsymbols=`echo $cppsymbols` $test "$silent" || sleep 1 fi if $test -s ccsym.own; then $test "$also" && echo " " echo "Your C compiler ${also}defines the following cpp symbols:" $sed -e 's/\(..*\)=1/\1/' ccsym.own $sed -e 's/\(..*\)=.*/\1/' ccsym.own | $uniq >>Cppsym.true ccsymbols=`$cat ccsym.own` ccsymbols=`echo $ccsymbols` $test "$silent" || sleep 1 fi fi $rm -f ccsym* Cppsym.* : see if this is a termio system val="$undef" val2="$undef" val3="$undef" if $test `./findhdr termios.h`; then set tcsetattr i_termios eval $inlibc val3="$i_termios" fi echo " " case "$val3" in "$define") echo "You have POSIX termios.h... good!" >&4;; *) if ./Cppsym pyr; then case "`/bin/universe`" in ucb) if $test `./findhdr sgtty.h`; then val2="$define" echo " found." >&4 else echo "System is pyramid with BSD universe." echo " not found--you could have problems." >&4 fi;; *) if $test `./findhdr termio.h`; then val="$define" echo " found." >&4 else echo "System is pyramid with USG universe." echo " not found--you could have problems." >&4 fi;; esac elif ./usg; then if $test `./findhdr termio.h`; then echo " found." >&4 val="$define" elif $test `./findhdr sgtty.h`; then echo " found." >&4 val2="$define" else echo "Neither nor found--you could have problems." >&4 fi else if $test `./findhdr sgtty.h`; then echo " found." >&4 val2="$define" elif $test `./findhdr termio.h`; then echo " found." >&4 val="$define" else echo "Neither nor found--you could have problems." >&4 fi fi;; esac set i_termio; eval $setvar val=$val2; set i_sgtty; eval $setvar val=$val3; set i_termios; eval $setvar : see if this is a shadow.h system set shadow.h i_shadow eval $inhdr : see if stdarg is available echo " " if $test `./findhdr stdarg.h`; then echo " found." >&4 valstd="$define" else echo " NOT found." >&4 valstd="$undef" fi : see if varags is available echo " " if $test `./findhdr varargs.h`; then echo " found." >&4 else echo " NOT found, but that's ok (I hope)." >&4 fi : set up the varargs testing programs $cat > varargs.c < #endif #ifdef I_VARARGS #include #endif #ifdef I_STDARG int f(char *p, ...) #else int f(va_alist) va_dcl #endif { va_list ap; #ifndef I_STDARG char *p; #endif #ifdef I_STDARG va_start(ap,p); #else va_start(ap); p = va_arg(ap, char *); #endif va_end(ap); } EOP $cat > varargs </dev/null 2>&1; then echo "true" else echo "false" fi $rm -f varargs$_o EOP chmod +x varargs : now check which varargs header should be included echo " " i_varhdr='' case "$valstd" in "$define") if `./varargs I_STDARG`; then val='stdarg.h' elif `./varargs I_VARARGS`; then val='varargs.h' fi ;; *) if `./varargs I_VARARGS`; then val='varargs.h' fi ;; esac case "$val" in '') echo "I could not find the definition for va_dcl... You have problems..." >&4 val="$undef"; set i_stdarg; eval $setvar val="$undef"; set i_varargs; eval $setvar ;; *) set i_varhdr eval $setvar case "$i_varhdr" in stdarg.h) val="$define"; set i_stdarg; eval $setvar val="$undef"; set i_varargs; eval $setvar ;; varargs.h) val="$undef"; set i_stdarg; eval $setvar val="$define"; set i_varargs; eval $setvar ;; esac echo "We'll include <$i_varhdr> to get va_dcl definition." >&4;; esac $rm -f varargs* : see if stddef is available set stddef.h i_stddef eval $inhdr : see if this is a sunmath.h system set sunmath.h i_sunmath eval $inhdr : see if sys/access.h is available set sys/access.h i_sysaccess eval $inhdr : see if ioctl defs are in sgtty, termio, sys/filio or sys/ioctl set sys/filio.h i_sysfilio eval $inhdr echo " " if $test `./findhdr sys/ioctl.h`; then val="$define" echo ' found.' >&4 else val="$undef" if $test $i_sysfilio = "$define"; then echo ' NOT found.' >&4 else $test $i_sgtty = "$define" && xxx="sgtty.h" $test $i_termio = "$define" && xxx="termio.h" $test $i_termios = "$define" && xxx="termios.h" echo "No found, assuming ioctl args are defined in <$xxx>." >&4 fi fi set i_sysioctl eval $setvar : see if this is a syslog.h system set syslog.h i_syslog eval $inhdr : see if this is a sys/mode.h system set sys/mode.h i_sysmode eval $inhdr : see if sys/resource.h has to be included set sys/resource.h i_sysresrc eval $inhdr : see if sys/security.h is available set sys/security.h i_syssecrt eval $inhdr : see if this is a sys/statvfs.h system set sys/statvfs.h i_sysstatvfs eval $inhdr : see if this is a sys/uio.h system set sys/uio.h i_sysuio eval $inhdr : see if this is a sys/un.h system set sys/un.h i_sysun eval $inhdr : see if this is a sys/utsname.h system set sys/utsname.h i_sysutsname eval $inhdr : see if this is a syswait system set sys/wait.h i_syswait eval $inhdr : see if this is a ustat.h system set ustat.h i_ustat eval $inhdr : see if this is an utime system set utime.h i_utime eval $inhdr : see if this is a values.h system set values.h i_values eval $inhdr : see if this is a vfork system case "$d_vfork" in "$define") set vfork.h i_vfork eval $inhdr ;; *) i_vfork="$undef" ;; esac : see if gdbm.h is available set gdbm.h t_gdbm eval $inhdr case "$t_gdbm" in $define) : see if gdbm_open exists set gdbm_open d_gdbm_open eval $inlibc case "$d_gdbm_open" in $undef) t_gdbm="$undef" echo "We won't be including " ;; esac ;; esac val="$t_gdbm" set i_gdbm eval $setvar echo " " echo "Looking for extensions..." >&4 : If we are using the old config.sh, known_extensions may contain : old or inaccurate or duplicate values. known_extensions='' nonxs_extensions='' : We do not use find because it might not be available. : We do not just use MANIFEST because the user may have dropped : some additional extensions into the source tree and expect them : to be built. : Function to recursively find available extensions, ignoring DynaLoader : NOTE: recursion limit of 10 to prevent runaway in case of symlink madness find_extensions=' for xxx in *; do case "$xxx" in DynaLoader|dynaload) ;; *) if $test -f $xxx/$xxx.xs; then known_extensions="$known_extensions $1$xxx"; elif $test -f $xxx/Makefile.PL; then nonxs_extensions="$nonxs_extensions $1$xxx"; else if $test -d $xxx -a $# -lt 10; then set $1$xxx/ $*; cd $xxx; eval $find_extensions; cd ..; shift; fi; fi ;; esac; done' tdir=`pwd` cd $rsrc/ext set X shift eval $find_extensions set X $nonxs_extensions shift nonxs_extensions="$*" set X $known_extensions shift known_extensions="$*" cd $tdir : Now see which are supported on this system. avail_ext='' for xxx in $known_extensions ; do case "$xxx" in DB_File|db_file) case "$i_db" in $define) avail_ext="$avail_ext $xxx" ;; esac ;; GDBM_File|gdbm_fil) case "$i_gdbm" in $define) avail_ext="$avail_ext $xxx" ;; esac ;; NDBM_File|ndbm_fil) case "$i_ndbm" in $define) case "$osname-$use64bitint" in hpux-define) case "$libs" in *-lndbm*) avail_ext="$avail_ext $xxx" ;; esac ;; *) avail_ext="$avail_ext $xxx" ;; esac ;; esac ;; ODBM_File|odbm_fil) case "${i_dbm}${i_rpcsvcdbm}" in *"${define}"*) case "$osname-$use64bitint" in hpux-define) case "$libs" in *-ldbm*) avail_ext="$avail_ext $xxx" ;; esac ;; *) avail_ext="$avail_ext $xxx" ;; esac ;; esac ;; POSIX|posix) case "$useposix" in true|define|y) avail_ext="$avail_ext $xxx" ;; esac ;; Opcode|opcode) case "$useopcode" in true|define|y) avail_ext="$avail_ext $xxx" ;; esac ;; Socket|socket) case "$d_socket" in true|$define|y) avail_ext="$avail_ext $xxx" ;; esac ;; Sys/Syslog|sys/syslog) : XXX syslog requires socket case "$d_socket" in true|$define|y) avail_ext="$avail_ext $xxx" ;; esac ;; Thread|thread) case "$usethreads" in true|$define|y) avail_ext="$avail_ext $xxx" ;; esac ;; IPC/SysV|ipc/sysv) : XXX Do we need a useipcsysv variable here case "${d_msg}${d_sem}${d_shm}" in *"${define}"*) avail_ext="$avail_ext $xxx" ;; esac ;; *) avail_ext="$avail_ext $xxx" ;; esac done set X $avail_ext shift avail_ext="$*" : Now see which nonxs extensions are supported on this system. : For now assume all are. nonxs_ext='' for xxx in $nonxs_extensions ; do case "$xxx" in *) nonxs_ext="$nonxs_ext $xxx" ;; esac done set X $nonxs_ext shift nonxs_ext="$*" case $usedl in $define) $cat <&4 for file in $loclist $trylist; do eval temp=\$$file eval $file=`basename $temp` done ;; esac : create config.sh file echo " " echo "Creating config.sh..." >&4 $spitshell <config.sh $startsh # # This file was produced by running the Configure script. It holds all the # definitions figured out by Configure. Should you modify one of these values, # do not forget to propagate your changes by running "Configure -der". You may # instead choose to run each of the .SH files by yourself, or "Configure -S". # # Package name : $package # Source directory : $src # Configuration time: $cf_time # Configured by : $cf_by # Target system : $myuname Author='$Author' Date='$Date' Header='$Header' Id='$Id' Locker='$Locker' Log='$Log' Mcc='$Mcc' RCSfile='$RCSfile' Revision='$Revision' Source='$Source' State='$State' _a='$_a' _exe='$_exe' _o='$_o' afs='$afs' alignbytes='$alignbytes' ansi2knr='$ansi2knr' aphostname='$aphostname' api_revision='$api_revision' api_subversion='$api_subversion' api_version='$api_version' api_versionstring='$api_versionstring' ar='$ar' archlib='$archlib' archlibexp='$archlibexp' archname64='$archname64' archname='$archname' archobjs='$archobjs' awk='$awk' baserev='$baserev' bash='$bash' bin='$bin' bincompat5005='$bincompat5005' binexp='$binexp' bison='$bison' byacc='$byacc' byteorder='$byteorder' c='$c' castflags='$castflags' cat='$cat' cc='$cc' cccdlflags='$cccdlflags' ccdlflags='$ccdlflags' ccflags='$ccflags' ccflags_uselargefiles='$ccflags_uselargefiles' ccname='$ccname' ccsymbols='$ccsymbols' ccversion='$ccversion' cf_by='$cf_by' cf_email='$cf_email' cf_time='$cf_time' charsize='$charsize' chgrp='$chgrp' chmod='$chmod' chown='$chown' clocktype='$clocktype' comm='$comm' compress='$compress' contains='$contains' cp='$cp' cpio='$cpio' cpp='$cpp' cpp_stuff='$cpp_stuff' cppccsymbols='$cppccsymbols' cppflags='$cppflags' cpplast='$cpplast' cppminus='$cppminus' cpprun='$cpprun' cppstdin='$cppstdin' cppsymbols='$cppsymbols' crosscompile='$crosscompile' cryptlib='$cryptlib' csh='$csh' d_Gconvert='$d_Gconvert' d_PRIEUldbl='$d_PRIEUldbl' d_PRIFUldbl='$d_PRIFUldbl' d_PRIGUldbl='$d_PRIGUldbl' d_PRIXU64='$d_PRIXU64' d_PRId64='$d_PRId64' d_PRIeldbl='$d_PRIeldbl' d_PRIfldbl='$d_PRIfldbl' d_PRIgldbl='$d_PRIgldbl' d_PRIi64='$d_PRIi64' d_PRIo64='$d_PRIo64' d_PRIu64='$d_PRIu64' d_PRIx64='$d_PRIx64' d_SCNfldbl='$d_SCNfldbl' d__fwalk='$d__fwalk' d_access='$d_access' d_accessx='$d_accessx' d_alarm='$d_alarm' d_archlib='$d_archlib' d_atolf='$d_atolf' d_atoll='$d_atoll' d_attribut='$d_attribut' d_bcmp='$d_bcmp' d_bcopy='$d_bcopy' d_bincompat5005='$d_bincompat5005' d_bsd='$d_bsd' d_bsdgetpgrp='$d_bsdgetpgrp' d_bsdsetpgrp='$d_bsdsetpgrp' d_bzero='$d_bzero' d_casti32='$d_casti32' d_castneg='$d_castneg' d_charvspr='$d_charvspr' d_chown='$d_chown' d_chroot='$d_chroot' d_chsize='$d_chsize' d_closedir='$d_closedir' d_const='$d_const' d_crypt='$d_crypt' d_csh='$d_csh' d_cuserid='$d_cuserid' d_dbl_dig='$d_dbl_dig' d_difftime='$d_difftime' d_dirnamlen='$d_dirnamlen' d_dlerror='$d_dlerror' d_dlopen='$d_dlopen' d_dlsymun='$d_dlsymun' d_dosuid='$d_dosuid' d_drand48proto='$d_drand48proto' d_dup2='$d_dup2' d_eaccess='$d_eaccess' d_endgrent='$d_endgrent' d_endhent='$d_endhent' d_endnent='$d_endnent' d_endpent='$d_endpent' d_endpwent='$d_endpwent' d_endsent='$d_endsent' d_eofnblk='$d_eofnblk' d_eunice='$d_eunice' d_fchmod='$d_fchmod' d_fchown='$d_fchown' d_fcntl='$d_fcntl' d_fcntl_can_lock='$d_fcntl_can_lock' d_fd_macros='$d_fd_macros' d_fd_set='$d_fd_set' d_fds_bits='$d_fds_bits' d_fgetpos='$d_fgetpos' d_flexfnam='$d_flexfnam' d_flock='$d_flock' d_fork='$d_fork' d_fpathconf='$d_fpathconf' d_fpos64_t='$d_fpos64_t' d_frexpl='$d_frexpl' d_fs_data_s='$d_fs_data_s' d_fseeko='$d_fseeko' d_fsetpos='$d_fsetpos' d_fstatfs='$d_fstatfs' d_fstatvfs='$d_fstatvfs' d_fsync='$d_fsync' d_ftello='$d_ftello' d_ftime='$d_ftime' d_getcwd='$d_getcwd' d_getespwnam='$d_getespwnam' d_getfsstat='$d_getfsstat' d_getgrent='$d_getgrent' d_getgrps='$d_getgrps' d_gethbyaddr='$d_gethbyaddr' d_gethbyname='$d_gethbyname' d_gethent='$d_gethent' d_gethname='$d_gethname' d_gethostprotos='$d_gethostprotos' d_getlogin='$d_getlogin' d_getmnt='$d_getmnt' d_getmntent='$d_getmntent' d_getnbyaddr='$d_getnbyaddr' d_getnbyname='$d_getnbyname' d_getnent='$d_getnent' d_getnetprotos='$d_getnetprotos' d_getpagsz='$d_getpagsz' d_getpbyname='$d_getpbyname' d_getpbynumber='$d_getpbynumber' d_getpent='$d_getpent' d_getpgid='$d_getpgid' d_getpgrp2='$d_getpgrp2' d_getpgrp='$d_getpgrp' d_getppid='$d_getppid' d_getprior='$d_getprior' d_getprotoprotos='$d_getprotoprotos' d_getprpwnam='$d_getprpwnam' d_getpwent='$d_getpwent' d_getsbyname='$d_getsbyname' d_getsbyport='$d_getsbyport' d_getsent='$d_getsent' d_getservprotos='$d_getservprotos' d_getspnam='$d_getspnam' d_gettimeod='$d_gettimeod' d_gnulibc='$d_gnulibc' d_grpasswd='$d_grpasswd' d_hasmntopt='$d_hasmntopt' d_htonl='$d_htonl' d_iconv='$d_iconv' d_index='$d_index' d_inetaton='$d_inetaton' d_int64_t='$d_int64_t' d_isascii='$d_isascii' d_isnan='$d_isnan' d_isnanl='$d_isnanl' d_killpg='$d_killpg' d_lchown='$d_lchown' d_ldbl_dig='$d_ldbl_dig' d_link='$d_link' d_locconv='$d_locconv' d_lockf='$d_lockf' d_longdbl='$d_longdbl' d_longlong='$d_longlong' d_lseekproto='$d_lseekproto' d_lstat='$d_lstat' d_madvise='$d_madvise' d_mblen='$d_mblen' d_mbstowcs='$d_mbstowcs' d_mbtowc='$d_mbtowc' d_memchr='$d_memchr' d_memcmp='$d_memcmp' d_memcpy='$d_memcpy' d_memmove='$d_memmove' d_memset='$d_memset' d_mkdir='$d_mkdir' d_mkdtemp='$d_mkdtemp' d_mkfifo='$d_mkfifo' d_mkstemp='$d_mkstemp' d_mkstemps='$d_mkstemps' d_mktime='$d_mktime' d_mmap='$d_mmap' d_modfl='$d_modfl' d_mprotect='$d_mprotect' d_msg='$d_msg' d_msg_ctrunc='$d_msg_ctrunc' d_msg_dontroute='$d_msg_dontroute' d_msg_oob='$d_msg_oob' d_msg_peek='$d_msg_peek' d_msg_proxy='$d_msg_proxy' d_msgctl='$d_msgctl' d_msgget='$d_msgget' d_msgrcv='$d_msgrcv' d_msgsnd='$d_msgsnd' d_msync='$d_msync' d_munmap='$d_munmap' d_mymalloc='$d_mymalloc' d_nice='$d_nice' d_nv_preserves_uv='$d_nv_preserves_uv' d_nv_preserves_uv_bits='$d_nv_preserves_uv_bits' d_off64_t='$d_off64_t' d_old_pthread_create_joinable='$d_old_pthread_create_joinable' d_oldpthreads='$d_oldpthreads' d_oldsock='$d_oldsock' d_open3='$d_open3' d_pathconf='$d_pathconf' d_pause='$d_pause' d_perl_otherlibdirs='$d_perl_otherlibdirs' d_phostname='$d_phostname' d_pipe='$d_pipe' d_poll='$d_poll' d_portable='$d_portable' d_pthread_yield='$d_pthread_yield' d_pwage='$d_pwage' d_pwchange='$d_pwchange' d_pwclass='$d_pwclass' d_pwcomment='$d_pwcomment' d_pwexpire='$d_pwexpire' d_pwgecos='$d_pwgecos' d_pwpasswd='$d_pwpasswd' d_pwquota='$d_pwquota' d_qgcvt='$d_qgcvt' d_quad='$d_quad' d_readdir='$d_readdir' d_readlink='$d_readlink' d_rename='$d_rename' d_rewinddir='$d_rewinddir' d_rmdir='$d_rmdir' d_safebcpy='$d_safebcpy' d_safemcpy='$d_safemcpy' d_sanemcmp='$d_sanemcmp' d_sbrkproto='$d_sbrkproto' d_sched_yield='$d_sched_yield' d_scm_rights='$d_scm_rights' d_seekdir='$d_seekdir' d_select='$d_select' d_sem='$d_sem' d_semctl='$d_semctl' d_semctl_semid_ds='$d_semctl_semid_ds' d_semctl_semun='$d_semctl_semun' d_semget='$d_semget' d_semop='$d_semop' d_setegid='$d_setegid' d_seteuid='$d_seteuid' d_setgrent='$d_setgrent' d_setgrps='$d_setgrps' d_sethent='$d_sethent' d_setlinebuf='$d_setlinebuf' d_setlocale='$d_setlocale' d_setnent='$d_setnent' d_setpent='$d_setpent' d_setpgid='$d_setpgid' d_setpgrp2='$d_setpgrp2' d_setpgrp='$d_setpgrp' d_setprior='$d_setprior' d_setproctitle='$d_setproctitle' d_setpwent='$d_setpwent' d_setregid='$d_setregid' d_setresgid='$d_setresgid' d_setresuid='$d_setresuid' d_setreuid='$d_setreuid' d_setrgid='$d_setrgid' d_setruid='$d_setruid' d_setsent='$d_setsent' d_setsid='$d_setsid' d_setvbuf='$d_setvbuf' d_sfio='$d_sfio' d_shm='$d_shm' d_shmat='$d_shmat' d_shmatprototype='$d_shmatprototype' d_shmctl='$d_shmctl' d_shmdt='$d_shmdt' d_shmget='$d_shmget' d_sigaction='$d_sigaction' d_sigsetjmp='$d_sigsetjmp' d_socket='$d_socket' d_socklen_t='$d_socklen_t' d_sockpair='$d_sockpair' d_socks5_init='$d_socks5_init' d_sqrtl='$d_sqrtl' d_statblks='$d_statblks' d_statfs_f_flags='$d_statfs_f_flags' d_statfs_s='$d_statfs_s' d_statvfs='$d_statvfs' d_stdio_cnt_lval='$d_stdio_cnt_lval' d_stdio_ptr_lval='$d_stdio_ptr_lval' d_stdio_ptr_lval_nochange_cnt='$d_stdio_ptr_lval_nochange_cnt' d_stdio_ptr_lval_sets_cnt='$d_stdio_ptr_lval_sets_cnt' d_stdio_stream_array='$d_stdio_stream_array' d_stdiobase='$d_stdiobase' d_stdstdio='$d_stdstdio' d_strchr='$d_strchr' d_strcoll='$d_strcoll' d_strctcpy='$d_strctcpy' d_strerrm='$d_strerrm' d_strerror='$d_strerror' d_strtod='$d_strtod' d_strtol='$d_strtol' d_strtold='$d_strtold' d_strtoll='$d_strtoll' d_strtoul='$d_strtoul' d_strtoull='$d_strtoull' d_strtouq='$d_strtouq' d_strxfrm='$d_strxfrm' d_suidsafe='$d_suidsafe' d_symlink='$d_symlink' d_syscall='$d_syscall' d_sysconf='$d_sysconf' d_sysernlst='$d_sysernlst' d_syserrlst='$d_syserrlst' d_system='$d_system' d_tcgetpgrp='$d_tcgetpgrp' d_tcsetpgrp='$d_tcsetpgrp' d_telldir='$d_telldir' d_telldirproto='$d_telldirproto' d_time='$d_time' d_times='$d_times' d_truncate='$d_truncate' d_tzname='$d_tzname' d_umask='$d_umask' d_uname='$d_uname' d_union_semun='$d_union_semun' d_ustat='$d_ustat' d_vendorarch='$d_vendorarch' d_vendorbin='$d_vendorbin' d_vendorlib='$d_vendorlib' d_vfork='$d_vfork' d_void_closedir='$d_void_closedir' d_voidsig='$d_voidsig' d_voidtty='$d_voidtty' d_volatile='$d_volatile' d_vprintf='$d_vprintf' d_wait4='$d_wait4' d_waitpid='$d_waitpid' d_wcstombs='$d_wcstombs' d_wctomb='$d_wctomb' d_xenix='$d_xenix' date='$date' db_hashtype='$db_hashtype' db_prefixtype='$db_prefixtype' defvoidused='$defvoidused' direntrytype='$direntrytype' dlext='$dlext' dlsrc='$dlsrc' doublesize='$doublesize' drand01='$drand01' dynamic_ext='$dynamic_ext' eagain='$eagain' ebcdic='$ebcdic' echo='$echo' egrep='$egrep' emacs='$emacs' eunicefix='$eunicefix' exe_ext='$exe_ext' expr='$expr' extensions='$extensions' fflushNULL='$fflushNULL' fflushall='$fflushall' find='$find' firstmakefile='$firstmakefile' flex='$flex' fpossize='$fpossize' fpostype='$fpostype' freetype='$freetype' full_ar='$full_ar' full_csh='$full_csh' full_sed='$full_sed' gccosandvers='$gccosandvers' gccversion='$gccversion' gidformat='$gidformat' gidsign='$gidsign' gidsize='$gidsize' gidtype='$gidtype' glibpth='$glibpth' grep='$grep' groupcat='$groupcat' groupstype='$groupstype' gzip='$gzip' h_fcntl='$h_fcntl' h_sysfile='$h_sysfile' hint='$hint' hostcat='$hostcat' i16size='$i16size' i16type='$i16type' i32size='$i32size' i32type='$i32type' i64size='$i64size' i64type='$i64type' i8size='$i8size' i8type='$i8type' i_arpainet='$i_arpainet' i_bsdioctl='$i_bsdioctl' i_db='$i_db' i_dbm='$i_dbm' i_dirent='$i_dirent' i_dld='$i_dld' i_dlfcn='$i_dlfcn' i_fcntl='$i_fcntl' i_float='$i_float' i_gdbm='$i_gdbm' i_grp='$i_grp' i_iconv='$i_iconv' i_ieeefp='$i_ieeefp' i_inttypes='$i_inttypes' i_libutil='$i_libutil' i_limits='$i_limits' i_locale='$i_locale' i_machcthr='$i_machcthr' i_malloc='$i_malloc' i_math='$i_math' i_memory='$i_memory' i_mntent='$i_mntent' i_ndbm='$i_ndbm' i_netdb='$i_netdb' i_neterrno='$i_neterrno' i_netinettcp='$i_netinettcp' i_niin='$i_niin' i_poll='$i_poll' i_prot='$i_prot' i_pthread='$i_pthread' i_pwd='$i_pwd' i_rpcsvcdbm='$i_rpcsvcdbm' i_sfio='$i_sfio' i_sgtty='$i_sgtty' i_shadow='$i_shadow' i_socks='$i_socks' i_stdarg='$i_stdarg' i_stddef='$i_stddef' i_stdlib='$i_stdlib' i_string='$i_string' i_sunmath='$i_sunmath' i_sysaccess='$i_sysaccess' i_sysdir='$i_sysdir' i_sysfile='$i_sysfile' i_sysfilio='$i_sysfilio' i_sysin='$i_sysin' i_sysioctl='$i_sysioctl' i_syslog='$i_syslog' i_sysmman='$i_sysmman' i_sysmode='$i_sysmode' i_sysmount='$i_sysmount' i_sysndir='$i_sysndir' i_sysparam='$i_sysparam' i_sysresrc='$i_sysresrc' i_syssecrt='$i_syssecrt' i_sysselct='$i_sysselct' i_syssockio='$i_syssockio' i_sysstat='$i_sysstat' i_sysstatfs='$i_sysstatfs' i_sysstatvfs='$i_sysstatvfs' i_systime='$i_systime' i_systimek='$i_systimek' i_systimes='$i_systimes' i_systypes='$i_systypes' i_sysuio='$i_sysuio' i_sysun='$i_sysun' i_sysutsname='$i_sysutsname' i_sysvfs='$i_sysvfs' i_syswait='$i_syswait' i_termio='$i_termio' i_termios='$i_termios' i_time='$i_time' i_unistd='$i_unistd' i_ustat='$i_ustat' i_utime='$i_utime' i_values='$i_values' i_varargs='$i_varargs' i_varhdr='$i_varhdr' i_vfork='$i_vfork' ignore_versioned_solibs='$ignore_versioned_solibs' inc_version_list='$inc_version_list' inc_version_list_init='$inc_version_list_init' incpath='$incpath' inews='$inews' installarchlib='$installarchlib' installbin='$installbin' installman1dir='$installman1dir' installman3dir='$installman3dir' installprefix='$installprefix' installprefixexp='$installprefixexp' installprivlib='$installprivlib' installscript='$installscript' installsitearch='$installsitearch' installsitebin='$installsitebin' installsitelib='$installsitelib' installstyle='$installstyle' installusrbinperl='$installusrbinperl' installvendorarch='$installvendorarch' installvendorbin='$installvendorbin' installvendorlib='$installvendorlib' intsize='$intsize' issymlink='$issymlink' ivdformat='$ivdformat' ivsize='$ivsize' ivtype='$ivtype' known_extensions='$known_extensions' ksh='$ksh' ld='$ld' lddlflags='$lddlflags' ldflags='$ldflags' ldflags_uselargefiles='$ldflags_uselargefiles' ldlibpthname='$ldlibpthname' less='$less' lib_ext='$lib_ext' libc='$libc' libperl='$libperl' libpth='$libpth' libs='$libs' libsdirs='$libsdirs' libsfiles='$libsfiles' libsfound='$libsfound' libspath='$libspath' libswanted='$libswanted' libswanted_uselargefiles='$libswanted_uselargefiles' line='$line' lint='$lint' lkflags='$lkflags' ln='$ln' lns='$lns' locincpth='$locincpth' loclibpth='$loclibpth' longdblsize='$longdblsize' longlongsize='$longlongsize' longsize='$longsize' lp='$lp' lpr='$lpr' ls='$ls' lseeksize='$lseeksize' lseektype='$lseektype' mail='$mail' mailx='$mailx' make='$make' make_set_make='$make_set_make' mallocobj='$mallocobj' mallocsrc='$mallocsrc' malloctype='$malloctype' man1dir='$man1dir' man1direxp='$man1direxp' man1ext='$man1ext' man3dir='$man3dir' man3direxp='$man3direxp' man3ext='$man3ext' mips_type='$mips_type' mkdir='$mkdir' mmaptype='$mmaptype' modetype='$modetype' more='$more' multiarch='$multiarch' mv='$mv' myarchname='$myarchname' mydomain='$mydomain' myhostname='$myhostname' myuname='$myuname' n='$n' netdb_hlen_type='$netdb_hlen_type' netdb_host_type='$netdb_host_type' netdb_name_type='$netdb_name_type' netdb_net_type='$netdb_net_type' nm='$nm' nm_opt='$nm_opt' nm_so_opt='$nm_so_opt' nonxs_ext='$nonxs_ext' nroff='$nroff' nvEUformat='$nvEUformat' nvFUformat='$nvFUformat' nvGUformat='$nvGUformat' nveformat='$nveformat' nvfformat='$nvfformat' nvgformat='$nvgformat' nvsize='$nvsize' nvtype='$nvtype' o_nonblock='$o_nonblock' obj_ext='$obj_ext' old_pthread_create_joinable='$old_pthread_create_joinable' optimize='$optimize' orderlib='$orderlib' osname='$osname' osvers='$osvers' otherlibdirs='$otherlibdirs' package='$package' pager='$pager' passcat='$passcat' patchlevel='$patchlevel' path_sep='$path_sep' perl5='$perl5' perl='$perl' perladmin='$perladmin' perllibs='$perllibs' perlpath='$perlpath' pg='$pg' phostname='$phostname' pidtype='$pidtype' plibpth='$plibpth' pm_apiversion='$pm_apiversion' pmake='$pmake' pr='$pr' prefix='$prefix' prefixexp='$prefixexp' privlib='$privlib' privlibexp='$privlibexp' prototype='$prototype' ptrsize='$ptrsize' quadkind='$quadkind' quadtype='$quadtype' randbits='$randbits' randfunc='$randfunc' randseedtype='$randseedtype' ranlib='$ranlib' rd_nodata='$rd_nodata' revision='$revision' rm='$rm' rmail='$rmail' runnm='$runnm' sPRIEUldbl='$sPRIEUldbl' sPRIFUldbl='$sPRIFUldbl' sPRIGUldbl='$sPRIGUldbl' sPRIXU64='$sPRIXU64' sPRId64='$sPRId64' sPRIeldbl='$sPRIeldbl' sPRIfldbl='$sPRIfldbl' sPRIgldbl='$sPRIgldbl' sPRIi64='$sPRIi64' sPRIo64='$sPRIo64' sPRIu64='$sPRIu64' sPRIx64='$sPRIx64' sSCNfldbl='$sSCNfldbl' sched_yield='$sched_yield' scriptdir='$scriptdir' scriptdirexp='$scriptdirexp' sed='$sed' seedfunc='$seedfunc' selectminbits='$selectminbits' selecttype='$selecttype' sendmail='$sendmail' sh='$sh' shar='$shar' sharpbang='$sharpbang' shmattype='$shmattype' shortsize='$shortsize' shrpenv='$shrpenv' shsharp='$shsharp' sig_count='$sig_count' sig_name='$sig_name' sig_name_init='$sig_name_init' sig_num='$sig_num' sig_num_init='$sig_num_init' signal_t='$signal_t' sitearch='$sitearch' sitearchexp='$sitearchexp' sitebin='$sitebin' sitebinexp='$sitebinexp' sitelib='$sitelib' sitelib_stem='$sitelib_stem' sitelibexp='$sitelibexp' siteprefix='$siteprefix' siteprefixexp='$siteprefixexp' sizesize='$sizesize' sizetype='$sizetype' sleep='$sleep' smail='$smail' so='$so' sockethdr='$sockethdr' socketlib='$socketlib' socksizetype='$socksizetype' sort='$sort' spackage='$spackage' spitshell='$spitshell' src='$src' ssizetype='$ssizetype' startperl='$startperl' startsh='$startsh' static_ext='$static_ext' stdchar='$stdchar' stdio_base='$stdio_base' stdio_bufsiz='$stdio_bufsiz' stdio_cnt='$stdio_cnt' stdio_filbuf='$stdio_filbuf' stdio_ptr='$stdio_ptr' stdio_stream_array='$stdio_stream_array' strings='$strings' submit='$submit' subversion='$subversion' sysman='$sysman' tail='$tail' tar='$tar' tbl='$tbl' tee='$tee' test='$test' timeincl='$timeincl' timetype='$timetype' touch='$touch' tr='$tr' trnl='$trnl' troff='$troff' u16size='$u16size' u16type='$u16type' u32size='$u32size' u32type='$u32type' u64size='$u64size' u64type='$u64type' u8size='$u8size' u8type='$u8type' uidformat='$uidformat' uidsign='$uidsign' uidsize='$uidsize' uidtype='$uidtype' uname='$uname' uniq='$uniq' uquadtype='$uquadtype' use5005threads='$use5005threads' use64bitall='$use64bitall' use64bitint='$use64bitint' usedl='$usedl' useithreads='$useithreads' uselargefiles='$uselargefiles' uselongdouble='$uselongdouble' usemorebits='$usemorebits' usemultiplicity='$usemultiplicity' usemymalloc='$usemymalloc' usenm='$usenm' useopcode='$useopcode' useperlio='$useperlio' useposix='$useposix' usesfio='$usesfio' useshrplib='$useshrplib' usesocks='$usesocks' usethreads='$usethreads' usevendorprefix='$usevendorprefix' usevfork='$usevfork' usrinc='$usrinc' uuname='$uuname' uvXUformat='$uvXUformat' uvoformat='$uvoformat' uvsize='$uvsize' uvtype='$uvtype' uvuformat='$uvuformat' uvxformat='$uvxformat' vendorarch='$vendorarch' vendorarchexp='$vendorarchexp' vendorbin='$vendorbin' vendorbinexp='$vendorbinexp' vendorlib='$vendorlib' vendorlib_stem='$vendorlib_stem' vendorlibexp='$vendorlibexp' vendorprefix='$vendorprefix' vendorprefixexp='$vendorprefixexp' version='$version' versiononly='$versiononly' vi='$vi' voidflags='$voidflags' xlibpth='$xlibpth' xs_apiversion='$xs_apiversion' yacc='$yacc' yaccflags='$yaccflags' zcat='$zcat' zip='$zip' EOT : Add in command line options if available $test -f UU/cmdline.opt && $cat UU/cmdline.opt >> config.sh : add special variables $test -f $src/patchlevel.h && \ awk '/^#define[ ]+PERL_/ {printf "%s=%s\n",$2,$3}' $src/patchlevel.h >>config.sh echo "CONFIGDOTSH=true" >>config.sh : propagate old symbols if $test -f UU/config.sh; then UU/oldconfig.sh sed -n 's/^\([a-zA-Z_0-9]*\)=.*/\1/p' config.sh config.sh UU/oldconfig.sh |\ $sort | $uniq -u >UU/oldsyms set X `cat UU/oldsyms` shift case $# in 0) ;; *) cat <>config.sh for sym in `cat UU/oldsyms`; do echo " Propagating $hint variable "'$'"$sym..." eval 'tmp="$'"${sym}"'"' echo "$tmp" | \ sed -e "s/'/'\"'\"'/g" -e "s/^/$sym='/" -e "s/$/'/" >>config.sh done ;; esac fi : Finish up by extracting the .SH files case "$alldone" in exit) $rm -rf UU echo "Done." exit 0 ;; cont) ;; '') dflt='' nostick=true $cat <&4 -c "$ans";; esac ;; esac : if this fails, just run all the .SH files by hand . ./config.sh echo " " exec 1>&4 . ./UU/extract if $contains '^depend:' [Mm]akefile >/dev/null 2>&1; then dflt=y case "$silent" in true) ;; *) $cat < makedepend.out &" It can take a while, so you might not want to run it right now. EOM ;; esac rp="Run $make depend now?" . UU/myread case "$ans" in y*) $make depend && echo "Now you must run '$make'." ;; *) echo "You must run '$make depend' then '$make'." ;; esac elif test -f [Mm]akefile; then echo " " echo "Now you must run a $make." else echo "Done." fi if $test -f Policy.sh; then $cat <&4 $rm -f config.msg fi $rm -f kit*isdone ark*isdone $rm -rf UU : End of Configure