diff options
Diffstat (limited to 'contrib/binutils/libiberty/configure')
| -rwxr-xr-x | contrib/binutils/libiberty/configure | 803 |
1 files changed, 665 insertions, 138 deletions
diff --git a/contrib/binutils/libiberty/configure b/contrib/binutils/libiberty/configure index 02c826d..ca24ef9 100755 --- a/contrib/binutils/libiberty/configure +++ b/contrib/binutils/libiberty/configure @@ -733,20 +733,11 @@ fi fi -# FIXME: We temporarily define our own version of AC_PROG_CC. This is -# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We -# are probably using a cross compiler, which will not be able to fully -# link an executable. This should really be fixed in autoconf -# itself. - - - - # Extract the first word of "gcc", so it can be a program name with args. set dummy gcc; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:750: checking for $ac_word" >&5 +echo "configure:741: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -776,7 +767,7 @@ if test -z "$CC"; then # Extract the first word of "cc", so it can be a program name with args. set dummy cc; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:780: checking for $ac_word" >&5 +echo "configure:771: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -825,7 +816,7 @@ fi fi echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6 -echo "configure:829: checking whether we are using GNU C" >&5 +echo "configure:820: checking whether we are using GNU C" >&5 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -834,7 +825,7 @@ else yes; #endif EOF -if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:838: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then +if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:829: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then ac_cv_prog_gcc=yes else ac_cv_prog_gcc=no @@ -845,12 +836,12 @@ echo "$ac_t""$ac_cv_prog_gcc" 1>&6 if test $ac_cv_prog_gcc = yes; then GCC=yes - ac_libiberty_warn_cflags='-W -Wall -Wtraditional' + ac_libiberty_warn_cflags='-W -Wall -Wtraditional -pedantic' ac_test_CFLAGS="${CFLAGS+set}" ac_save_CFLAGS="$CFLAGS" CFLAGS= echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6 -echo "configure:854: checking whether ${CC-cc} accepts -g" >&5 +echo "configure:845: checking whether ${CC-cc} accepts -g" >&5 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -879,8 +870,9 @@ else fi + echo $ac_n "checking for POSIXized ISC""... $ac_c" 1>&6 -echo "configure:884: checking for POSIXized ISC" >&5 +echo "configure:876: checking for POSIXized ISC" >&5 if test -d /etc/conf/kconfig.d && grep _POSIX_VERSION /usr/include/sys/unistd.h >/dev/null 2>&1 then @@ -900,6 +892,121 @@ else ISC= fi +echo $ac_n "checking for working const""... $ac_c" 1>&6 +echo "configure:897: checking for working const" >&5 +if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + cat > conftest.$ac_ext <<EOF +#line 902 "configure" +#include "confdefs.h" + +int main() { + +/* Ultrix mips cc rejects this. */ +typedef int charset[2]; const charset x; +/* SunOS 4.1.1 cc rejects this. */ +char const *const *ccp; +char **p; +/* NEC SVR4.0.2 mips cc rejects this. */ +struct point {int x, y;}; +static struct point const zero = {0,0}; +/* AIX XL C 1.02.0.0 rejects this. + It does not let you subtract one const X* pointer from another in an arm + of an if-expression whose if-part is not a constant expression */ +const char *g = "string"; +ccp = &g + (g ? g-g : 0); +/* HPUX 7.0 cc rejects these. */ +++ccp; +p = (char**) ccp; +ccp = (char const *const *) p; +{ /* SCO 3.2v4 cc rejects this. */ + char *t; + char const *s = 0 ? (char *) 0 : (char const *) 0; + + *t++ = 0; +} +{ /* Someone thinks the Sun supposedly-ANSI compiler will reject this. */ + int x[] = {25, 17}; + const int *foo = &x[0]; + ++foo; +} +{ /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */ + typedef const int *iptr; + iptr p = 0; + ++p; +} +{ /* AIX XL C 1.02.0.0 rejects this saying + "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */ + struct s { int j; const int *ap[3]; }; + struct s *b; b->j = 5; +} +{ /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */ + const int foo = 10; +} + +; return 0; } +EOF +if { (eval echo configure:951: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then + rm -rf conftest* + ac_cv_c_const=yes +else + echo "configure: failed program was:" >&5 + cat conftest.$ac_ext >&5 + rm -rf conftest* + ac_cv_c_const=no +fi +rm -f conftest* +fi + +echo "$ac_t""$ac_cv_c_const" 1>&6 +if test $ac_cv_c_const = no; then + cat >> confdefs.h <<\EOF +#define const +EOF + +fi + +echo $ac_n "checking for inline""... $ac_c" 1>&6 +echo "configure:972: checking for inline" >&5 +if eval "test \"`echo '$''{'ac_cv_c_inline'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + ac_cv_c_inline=no +for ac_kw in inline __inline__ __inline; do + cat > conftest.$ac_ext <<EOF +#line 979 "configure" +#include "confdefs.h" + +int main() { +} $ac_kw foo() { +; return 0; } +EOF +if { (eval echo configure:986: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then + rm -rf conftest* + ac_cv_c_inline=$ac_kw; break +else + echo "configure: failed program was:" >&5 + cat conftest.$ac_ext >&5 +fi +rm -f conftest* +done + +fi + +echo "$ac_t""$ac_cv_c_inline" 1>&6 +case "$ac_cv_c_inline" in + inline | yes) ;; + no) cat >> confdefs.h <<\EOF +#define inline +EOF + ;; + *) cat >> confdefs.h <<EOF +#define inline $ac_cv_c_inline +EOF + ;; +esac + @@ -918,7 +1025,7 @@ fi # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" # ./install, which can be erroneously created by make from ./install.sh. echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6 -echo "configure:922: checking for a BSD compatible install" >&5 +echo "configure:1029: checking for a BSD compatible install" >&5 if test -z "$INSTALL"; then if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 @@ -979,7 +1086,7 @@ host_makefile_frag=${frag} # able to link anything, it had better be able to at least compile # something. echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6 -echo "configure:983: checking how to run the C preprocessor" >&5 +echo "configure:1090: checking how to run the C preprocessor" >&5 # On Suns, sometimes $CPP names a directory. if test -n "$CPP" && test -d "$CPP"; then CPP= @@ -994,13 +1101,13 @@ else # On the NeXT, cc -E runs the code through the compiler's parser, # not just through cpp. cat > conftest.$ac_ext <<EOF -#line 998 "configure" +#line 1105 "configure" #include "confdefs.h" #include <assert.h> Syntax Error EOF ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" -{ (eval echo configure:1004: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } +{ (eval echo configure:1111: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"` if test -z "$ac_err"; then : @@ -1011,13 +1118,13 @@ else rm -rf conftest* CPP="${CC-cc} -E -traditional-cpp" cat > conftest.$ac_ext <<EOF -#line 1015 "configure" +#line 1122 "configure" #include "confdefs.h" #include <assert.h> Syntax Error EOF ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" -{ (eval echo configure:1021: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } +{ (eval echo configure:1128: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"` if test -z "$ac_err"; then : @@ -1028,13 +1135,13 @@ else rm -rf conftest* CPP="${CC-cc} -nologo -E" cat > conftest.$ac_ext <<EOF -#line 1032 "configure" +#line 1139 "configure" #include "confdefs.h" #include <assert.h> Syntax Error EOF ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" -{ (eval echo configure:1038: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } +{ (eval echo configure:1145: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"` if test -z "$ac_err"; then : @@ -1058,21 +1165,21 @@ else fi echo "$ac_t""$CPP" 1>&6 -for ac_hdr in sys/file.h sys/param.h stdlib.h string.h unistd.h strings.h sys/time.h sys/resource.h sys/stat.h +for ac_hdr in sys/file.h sys/param.h limits.h stdlib.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h do ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'` echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6 -echo "configure:1066: checking for $ac_hdr" >&5 +echo "configure:1173: checking for $ac_hdr" >&5 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1071 "configure" +#line 1178 "configure" #include "confdefs.h" #include <$ac_hdr> EOF ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" -{ (eval echo configure:1076: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } +{ (eval echo configure:1183: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"` if test -z "$ac_err"; then rm -rf conftest* @@ -1099,12 +1206,12 @@ fi done echo $ac_n "checking for sys/wait.h that is POSIX.1 compatible""... $ac_c" 1>&6 -echo "configure:1103: checking for sys/wait.h that is POSIX.1 compatible" >&5 +echo "configure:1210: checking for sys/wait.h that is POSIX.1 compatible" >&5 if eval "test \"`echo '$''{'ac_cv_header_sys_wait_h'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1108 "configure" +#line 1215 "configure" #include "confdefs.h" #include <sys/types.h> #include <sys/wait.h> @@ -1120,7 +1227,7 @@ wait (&s); s = WIFEXITED (s) ? WEXITSTATUS (s) : 1; ; return 0; } EOF -if { (eval echo configure:1124: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then +if { (eval echo configure:1231: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* ac_cv_header_sys_wait_h=yes else @@ -1140,6 +1247,75 @@ EOF fi +echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6 +echo "configure:1252: checking whether time.h and sys/time.h may both be included" >&5 +if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + cat > conftest.$ac_ext <<EOF +#line 1257 "configure" +#include "confdefs.h" +#include <sys/types.h> +#include <sys/time.h> +#include <time.h> +int main() { +struct tm *tp; +; return 0; } +EOF +if { (eval echo configure:1266: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then + rm -rf conftest* + ac_cv_header_time=yes +else + echo "configure: failed program was:" >&5 + cat conftest.$ac_ext >&5 + rm -rf conftest* + ac_cv_header_time=no +fi +rm -f conftest* +fi + +echo "$ac_t""$ac_cv_header_time" 1>&6 +if test $ac_cv_header_time = yes; then + cat >> confdefs.h <<\EOF +#define TIME_WITH_SYS_TIME 1 +EOF + +fi + + +echo $ac_n "checking whether errno must be declared""... $ac_c" 1>&6 +echo "configure:1288: checking whether errno must be declared" >&5 +if eval "test \"`echo '$''{'libiberty_cv_declare_errno'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + cat > conftest.$ac_ext <<EOF +#line 1293 "configure" +#include "confdefs.h" +#include <errno.h> +int main() { +int x = errno; +; return 0; } +EOF +if { (eval echo configure:1300: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then + rm -rf conftest* + libiberty_cv_declare_errno=no +else + echo "configure: failed program was:" >&5 + cat conftest.$ac_ext >&5 + rm -rf conftest* + libiberty_cv_declare_errno=yes +fi +rm -f conftest* +fi + +echo "$ac_t""$libiberty_cv_declare_errno" 1>&6 +if test $libiberty_cv_declare_errno = yes +then cat >> confdefs.h <<\EOF +#define NEED_DECLARATION_ERRNO 1 +EOF + +fi + # This is the list of functions which libiberty will provide if they # are not available on the host. @@ -1149,6 +1325,7 @@ funcs="$funcs atexit" funcs="$funcs basename" funcs="$funcs bcmp" funcs="$funcs bcopy" +funcs="$funcs bsearch" funcs="$funcs bzero" funcs="$funcs calloc" funcs="$funcs clock" @@ -1193,15 +1370,15 @@ checkfuncs="getrusage on_exit psignal strerror strsignal sysconf times sbrk gett # These are neither executed nor required, but they help keep # autoheader happy without adding a bunch of text to acconfig.h. if test "x" = "y"; then - for ac_func in asprintf atexit basename bcmp bcopy bzero calloc clock getcwd + for ac_func in asprintf atexit basename bcmp bcopy bsearch bzero calloc clock do echo $ac_n "checking for $ac_func""... $ac_c" 1>&6 -echo "configure:1200: checking for $ac_func" >&5 +echo "configure:1377: checking for $ac_func" >&5 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1205 "configure" +#line 1382 "configure" #include "confdefs.h" /* System header to define __stub macros and hopefully few prototypes, which can conflict with char $ac_func(); below. */ @@ -1224,7 +1401,7 @@ $ac_func(); ; return 0; } EOF -if { (eval echo configure:1228: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then +if { (eval echo configure:1405: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then rm -rf conftest* eval "ac_cv_func_$ac_func=yes" else @@ -1248,15 +1425,15 @@ else fi done - for ac_func in getpagesize index insque mkstemps memchr memcmp memcpy memmove + for ac_func in getcwd getpagesize index insque mkstemps memchr memcmp memcpy do echo $ac_n "checking for $ac_func""... $ac_c" 1>&6 -echo "configure:1255: checking for $ac_func" >&5 +echo "configure:1432: checking for $ac_func" >&5 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1260 "configure" +#line 1437 "configure" #include "confdefs.h" /* System header to define __stub macros and hopefully few prototypes, which can conflict with char $ac_func(); below. */ @@ -1279,7 +1456,7 @@ $ac_func(); ; return 0; } EOF -if { (eval echo configure:1283: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then +if { (eval echo configure:1460: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then rm -rf conftest* eval "ac_cv_func_$ac_func=yes" else @@ -1303,15 +1480,15 @@ else fi done - for ac_func in memset putenv random rename rindex sigsetmask strcasecmp + for ac_func in memmove memset putenv random rename rindex sigsetmask do echo $ac_n "checking for $ac_func""... $ac_c" 1>&6 -echo "configure:1310: checking for $ac_func" >&5 +echo "configure:1487: checking for $ac_func" >&5 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1315 "configure" +#line 1492 "configure" #include "confdefs.h" /* System header to define __stub macros and hopefully few prototypes, which can conflict with char $ac_func(); below. */ @@ -1334,7 +1511,7 @@ $ac_func(); ; return 0; } EOF -if { (eval echo configure:1338: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then +if { (eval echo configure:1515: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then rm -rf conftest* eval "ac_cv_func_$ac_func=yes" else @@ -1358,15 +1535,15 @@ else fi done - for ac_func in setenv strchr strdup strncasecmp strrchr strstr strtod strtol + for ac_func in strcasecmp setenv strchr strdup strncasecmp strrchr strstr do echo $ac_n "checking for $ac_func""... $ac_c" 1>&6 -echo "configure:1365: checking for $ac_func" >&5 +echo "configure:1542: checking for $ac_func" >&5 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1370 "configure" +#line 1547 "configure" #include "confdefs.h" /* System header to define __stub macros and hopefully few prototypes, which can conflict with char $ac_func(); below. */ @@ -1389,7 +1566,7 @@ $ac_func(); ; return 0; } EOF -if { (eval echo configure:1393: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then +if { (eval echo configure:1570: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then rm -rf conftest* eval "ac_cv_func_$ac_func=yes" else @@ -1413,15 +1590,15 @@ else fi done - for ac_func in strtoul tmpnam vasprintf vfprintf vprintf vsprintf waitpid + for ac_func in strtod strtol strtoul tmpnam vasprintf vfprintf vprintf do echo $ac_n "checking for $ac_func""... $ac_c" 1>&6 -echo "configure:1420: checking for $ac_func" >&5 +echo "configure:1597: checking for $ac_func" >&5 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1425 "configure" +#line 1602 "configure" #include "confdefs.h" /* System header to define __stub macros and hopefully few prototypes, which can conflict with char $ac_func(); below. */ @@ -1444,7 +1621,7 @@ $ac_func(); ; return 0; } EOF -if { (eval echo configure:1448: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then +if { (eval echo configure:1625: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then rm -rf conftest* eval "ac_cv_func_$ac_func=yes" else @@ -1468,27 +1645,15 @@ else fi done - cat >> confdefs.h <<\EOF -#define HAVE_SYS_ERRLIST 1 -EOF - - cat >> confdefs.h <<\EOF -#define HAVE_SYS_NERR 1 -EOF - - cat >> confdefs.h <<\EOF -#define HAVE_SYS_SIGLIST 1 -EOF - - for ac_func in getrusage on_exit psignal strerror strsignal sysconf times + for ac_func in vsprintf waitpid getrusage on_exit psignal strerror strsignal do echo $ac_n "checking for $ac_func""... $ac_c" 1>&6 -echo "configure:1487: checking for $ac_func" >&5 +echo "configure:1652: checking for $ac_func" >&5 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1492 "configure" +#line 1657 "configure" #include "confdefs.h" /* System header to define __stub macros and hopefully few prototypes, which can conflict with char $ac_func(); below. */ @@ -1511,7 +1676,7 @@ $ac_func(); ; return 0; } EOF -if { (eval echo configure:1515: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then +if { (eval echo configure:1680: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then rm -rf conftest* eval "ac_cv_func_$ac_func=yes" else @@ -1535,15 +1700,15 @@ else fi done - for ac_func in sbrk gettimeofday + for ac_func in sysconf times sbrk gettimeofday do echo $ac_n "checking for $ac_func""... $ac_c" 1>&6 -echo "configure:1542: checking for $ac_func" >&5 +echo "configure:1707: checking for $ac_func" >&5 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1547 "configure" +#line 1712 "configure" #include "confdefs.h" /* System header to define __stub macros and hopefully few prototypes, which can conflict with char $ac_func(); below. */ @@ -1566,7 +1731,7 @@ $ac_func(); ; return 0; } EOF -if { (eval echo configure:1570: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then +if { (eval echo configure:1735: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then rm -rf conftest* eval "ac_cv_func_$ac_func=yes" else @@ -1590,6 +1755,18 @@ else fi done + cat >> confdefs.h <<\EOF +#define HAVE_SYS_ERRLIST 1 +EOF + + cat >> confdefs.h <<\EOF +#define HAVE_SYS_NERR 1 +EOF + + cat >> confdefs.h <<\EOF +#define HAVE_SYS_SIGLIST 1 +EOF + fi # For each of these functions, if the host does not provide the @@ -1705,24 +1882,22 @@ if test -z "${setobjs}"; then # provides from our shell variables, so that they appear to be # missing. - funcs="`echo $funcs | sed -e 's/random//'`" - LIBOBJS="$LIBOBJS random.o" - vars="`echo $vars | sed -e 's/sys_siglist//'`" - checkfuncs="`echo $checkfuncs | sed -e 's/strsignal//' -e 's/psignal//'`" + # DJ - only if we're *building* cygwin, not just building *with* cygwin + + if test -n "${with_target_subdir}" + then + funcs="`echo $funcs | sed -e 's/random//'`" + LIBOBJS="$LIBOBJS random.o" + vars="`echo $vars | sed -e 's/sys_siglist//'`" + checkfuncs="`echo $checkfuncs | sed -e 's/strsignal//' -e 's/psignal//'`" + fi ;; *-*-mingw32*) # Under mingw32, sys_nerr and sys_errlist exist, but they are # macros, so the test below won't find them. - vars="`echo $vars | sed -e 's/sys_nerr//' -e 's/sys_errlist//'`" - cat >> confdefs.h <<\EOF -#define HAVE_SYS_NERR 1 -EOF - - cat >> confdefs.h <<\EOF -#define HAVE_SYS_ERRLIST 1 -EOF - + libiberty_cv_var_sys_nerr=yes + libiberty_cv_var_sys_errlist=yes ;; *-*-uwin*) @@ -1733,14 +1908,8 @@ EOF # Under uwin 2.0+, sys_nerr and sys_errlist exist, but they are # macros (actually, these are imported from a DLL, but the end effect # is the same), so the test below won't find them. - cat >> confdefs.h <<\EOF -#define HAVE_SYS_NERR 1 -EOF - - cat >> confdefs.h <<\EOF -#define HAVE_SYS_ERRLIST 1 -EOF - + libiberty_cv_var_sys_nerr=yes + libiberty_cv_var_sys_errlist=yes ;; esac @@ -1748,7 +1917,7 @@ EOF # We haven't set the list of objects yet. Use the standard autoconf # tests. This will only work if the compiler works. echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6 -echo "configure:1752: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5 +echo "configure:1921: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5 ac_ext=c # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options. @@ -1759,12 +1928,12 @@ cross_compiling=$ac_cv_prog_cc_cross cat > conftest.$ac_ext << EOF -#line 1763 "configure" +#line 1932 "configure" #include "confdefs.h" main(){return(0);} EOF -if { (eval echo configure:1768: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then +if { (eval echo configure:1937: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then ac_cv_prog_cc_works=yes # If we can't run a trivial program, we are probably using a cross compiler. if (./conftest; exit) 2>/dev/null; then @@ -1790,19 +1959,19 @@ if test $ac_cv_prog_cc_works = no; then { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; } fi echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6 -echo "configure:1794: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5 +echo "configure:1963: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6 cross_compiling=$ac_cv_prog_cc_cross for ac_func in $funcs do echo $ac_n "checking for $ac_func""... $ac_c" 1>&6 -echo "configure:1801: checking for $ac_func" >&5 +echo "configure:1970: checking for $ac_func" >&5 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1806 "configure" +#line 1975 "configure" #include "confdefs.h" /* System header to define __stub macros and hopefully few prototypes, which can conflict with char $ac_func(); below. */ @@ -1825,7 +1994,7 @@ $ac_func(); ; return 0; } EOF -if { (eval echo configure:1829: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then +if { (eval echo configure:1998: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then rm -rf conftest* eval "ac_cv_func_$ac_func=yes" else @@ -1872,19 +2041,19 @@ EOF # The Ultrix 4.2 mips builtin alloca declared by alloca.h only works # for constant arguments. Useless! echo $ac_n "checking for working alloca.h""... $ac_c" 1>&6 -echo "configure:1876: checking for working alloca.h" >&5 +echo "configure:2045: checking for working alloca.h" >&5 if eval "test \"`echo '$''{'ac_cv_header_alloca_h'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1881 "configure" +#line 2050 "configure" #include "confdefs.h" #include <alloca.h> int main() { char *p = alloca(2 * sizeof(int)); ; return 0; } EOF -if { (eval echo configure:1888: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then +if { (eval echo configure:2057: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then rm -rf conftest* ac_cv_header_alloca_h=yes else @@ -1905,12 +2074,12 @@ EOF fi echo $ac_n "checking for alloca""... $ac_c" 1>&6 -echo "configure:1909: checking for alloca" >&5 +echo "configure:2078: checking for alloca" >&5 if eval "test \"`echo '$''{'ac_cv_func_alloca_works'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1914 "configure" +#line 2083 "configure" #include "confdefs.h" #ifdef __GNUC__ @@ -1938,7 +2107,7 @@ int main() { char *p = (char *) alloca(1); ; return 0; } EOF -if { (eval echo configure:1942: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then +if { (eval echo configure:2111: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then rm -rf conftest* ac_cv_func_alloca_works=yes else @@ -1970,12 +2139,12 @@ EOF echo $ac_n "checking whether alloca needs Cray hooks""... $ac_c" 1>&6 -echo "configure:1974: checking whether alloca needs Cray hooks" >&5 +echo "configure:2143: checking whether alloca needs Cray hooks" >&5 if eval "test \"`echo '$''{'ac_cv_os_cray'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1979 "configure" +#line 2148 "configure" #include "confdefs.h" #if defined(CRAY) && ! defined(CRAY2) webecray @@ -2000,12 +2169,12 @@ echo "$ac_t""$ac_cv_os_cray" 1>&6 if test $ac_cv_os_cray = yes; then for ac_func in _getb67 GETB67 getb67; do echo $ac_n "checking for $ac_func""... $ac_c" 1>&6 -echo "configure:2004: checking for $ac_func" >&5 +echo "configure:2173: checking for $ac_func" >&5 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 2009 "configure" +#line 2178 "configure" #include "confdefs.h" /* System header to define __stub macros and hopefully few prototypes, which can conflict with char $ac_func(); below. */ @@ -2028,7 +2197,7 @@ $ac_func(); ; return 0; } EOF -if { (eval echo configure:2032: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then +if { (eval echo configure:2201: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then rm -rf conftest* eval "ac_cv_func_$ac_func=yes" else @@ -2055,7 +2224,7 @@ done fi echo $ac_n "checking stack direction for C alloca""... $ac_c" 1>&6 -echo "configure:2059: checking stack direction for C alloca" >&5 +echo "configure:2228: checking stack direction for C alloca" >&5 if eval "test \"`echo '$''{'ac_cv_c_stack_direction'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -2063,7 +2232,7 @@ else ac_cv_c_stack_direction=0 else cat > conftest.$ac_ext <<EOF -#line 2067 "configure" +#line 2236 "configure" #include "confdefs.h" find_stack_direction () { @@ -2082,7 +2251,7 @@ main () exit (find_stack_direction() < 0); } EOF -if { (eval echo configure:2086: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null +if { (eval echo configure:2255: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null then ac_cv_c_stack_direction=1 else @@ -2107,12 +2276,12 @@ fi esac echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6 -echo "configure:2111: checking for ANSI C header files" >&5 +echo "configure:2280: checking for ANSI C header files" >&5 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 2116 "configure" +#line 2285 "configure" #include "confdefs.h" #include <stdlib.h> #include <stdarg.h> @@ -2120,7 +2289,7 @@ else #include <float.h> EOF ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" -{ (eval echo configure:2124: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } +{ (eval echo configure:2293: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"` if test -z "$ac_err"; then rm -rf conftest* @@ -2137,7 +2306,7 @@ rm -f conftest* if test $ac_cv_header_stdc = yes; then # SunOS 4.x string.h does not declare mem*, contrary to ANSI. cat > conftest.$ac_ext <<EOF -#line 2141 "configure" +#line 2310 "configure" #include "confdefs.h" #include <string.h> EOF @@ -2155,7 +2324,7 @@ fi if test $ac_cv_header_stdc = yes; then # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. cat > conftest.$ac_ext <<EOF -#line 2159 "configure" +#line 2328 "configure" #include "confdefs.h" #include <stdlib.h> EOF @@ -2176,7 +2345,7 @@ if test "$cross_compiling" = yes; then : else cat > conftest.$ac_ext <<EOF -#line 2180 "configure" +#line 2349 "configure" #include "confdefs.h" #include <ctype.h> #define ISLOWER(c) ('a' <= (c) && (c) <= 'z') @@ -2187,7 +2356,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2); exit (0); } EOF -if { (eval echo configure:2191: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null +if { (eval echo configure:2360: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null then : else @@ -2211,12 +2380,12 @@ EOF fi echo $ac_n "checking for pid_t""... $ac_c" 1>&6 -echo "configure:2215: checking for pid_t" >&5 +echo "configure:2384: checking for pid_t" >&5 if eval "test \"`echo '$''{'ac_cv_type_pid_t'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 2220 "configure" +#line 2389 "configure" #include "confdefs.h" #include <sys/types.h> #if STDC_HEADERS @@ -2245,17 +2414,17 @@ fi ac_safe=`echo "vfork.h" | sed 'y%./+-%__p_%'` echo $ac_n "checking for vfork.h""... $ac_c" 1>&6 -echo "configure:2249: checking for vfork.h" >&5 +echo "configure:2418: checking for vfork.h" >&5 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 2254 "configure" +#line 2423 "configure" #include "confdefs.h" #include <vfork.h> EOF ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" -{ (eval echo configure:2259: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } +{ (eval echo configure:2428: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"` if test -z "$ac_err"; then rm -rf conftest* @@ -2280,18 +2449,18 @@ else fi echo $ac_n "checking for working vfork""... $ac_c" 1>&6 -echo "configure:2284: checking for working vfork" >&5 +echo "configure:2453: checking for working vfork" >&5 if eval "test \"`echo '$''{'ac_cv_func_vfork_works'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else if test "$cross_compiling" = yes; then echo $ac_n "checking for vfork""... $ac_c" 1>&6 -echo "configure:2290: checking for vfork" >&5 +echo "configure:2459: checking for vfork" >&5 if eval "test \"`echo '$''{'ac_cv_func_vfork'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 2295 "configure" +#line 2464 "configure" #include "confdefs.h" /* System header to define __stub macros and hopefully few prototypes, which can conflict with char vfork(); below. */ @@ -2314,7 +2483,7 @@ vfork(); ; return 0; } EOF -if { (eval echo configure:2318: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then +if { (eval echo configure:2487: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then rm -rf conftest* eval "ac_cv_func_vfork=yes" else @@ -2336,7 +2505,7 @@ fi ac_cv_func_vfork_works=$ac_cv_func_vfork else cat > conftest.$ac_ext <<EOF -#line 2340 "configure" +#line 2509 "configure" #include "confdefs.h" /* Thanks to Paul Eggert for this test. */ #include <stdio.h> @@ -2431,7 +2600,7 @@ main() { } } EOF -if { (eval echo configure:2435: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null +if { (eval echo configure:2604: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null then ac_cv_func_vfork_works=yes else @@ -2458,19 +2627,19 @@ fi fi for v in $vars; do echo $ac_n "checking for $v""... $ac_c" 1>&6 -echo "configure:2462: checking for $v" >&5 +echo "configure:2631: checking for $v" >&5 if eval "test \"`echo '$''{'libiberty_cv_var_$v'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 2467 "configure" +#line 2636 "configure" #include "confdefs.h" int *p; int main() { extern int $v; p = &$v; ; return 0; } EOF -if { (eval echo configure:2474: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then +if { (eval echo configure:2643: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then rm -rf conftest* eval "libiberty_cv_var_$v=yes" else @@ -2496,12 +2665,109 @@ EOF for ac_func in $checkfuncs do echo $ac_n "checking for $ac_func""... $ac_c" 1>&6 -echo "configure:2500: checking for $ac_func" >&5 +echo "configure:2669: checking for $ac_func" >&5 +if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + cat > conftest.$ac_ext <<EOF +#line 2674 "configure" +#include "confdefs.h" +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char $ac_func(); below. */ +#include <assert.h> +/* 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 $ac_func(); + +int main() { + +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined (__stub_$ac_func) || defined (__stub___$ac_func) +choke me +#else +$ac_func(); +#endif + +; return 0; } +EOF +if { (eval echo configure:2697: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then + rm -rf conftest* + eval "ac_cv_func_$ac_func=yes" +else + echo "configure: failed program was:" >&5 + cat conftest.$ac_ext >&5 + rm -rf conftest* + eval "ac_cv_func_$ac_func=no" +fi +rm -f conftest* +fi + +if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then + echo "$ac_t""yes" 1>&6 + ac_tr_func=HAVE_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` + cat >> confdefs.h <<EOF +#define $ac_tr_func 1 +EOF + +else + echo "$ac_t""no" 1>&6 +fi +done + +fi + +for ac_hdr in unistd.h +do +ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'` +echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6 +echo "configure:2727: checking for $ac_hdr" >&5 +if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + cat > conftest.$ac_ext <<EOF +#line 2732 "configure" +#include "confdefs.h" +#include <$ac_hdr> +EOF +ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" +{ (eval echo configure:2737: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } +ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"` +if test -z "$ac_err"; then + rm -rf conftest* + eval "ac_cv_header_$ac_safe=yes" +else + echo "$ac_err" >&5 + echo "configure: failed program was:" >&5 + cat conftest.$ac_ext >&5 + rm -rf conftest* + eval "ac_cv_header_$ac_safe=no" +fi +rm -f conftest* +fi +if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then + echo "$ac_t""yes" 1>&6 + ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'` + cat >> confdefs.h <<EOF +#define $ac_tr_hdr 1 +EOF + +else + echo "$ac_t""no" 1>&6 +fi +done + +for ac_func in getpagesize +do +echo $ac_n "checking for $ac_func""... $ac_c" 1>&6 +echo "configure:2766: checking for $ac_func" >&5 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 2505 "configure" +#line 2771 "configure" #include "confdefs.h" /* System header to define __stub macros and hopefully few prototypes, which can conflict with char $ac_func(); below. */ @@ -2524,7 +2790,7 @@ $ac_func(); ; return 0; } EOF -if { (eval echo configure:2528: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then +if { (eval echo configure:2794: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then rm -rf conftest* eval "ac_cv_func_$ac_func=yes" else @@ -2548,8 +2814,269 @@ else fi done +echo $ac_n "checking for working mmap""... $ac_c" 1>&6 +echo "configure:2819: checking for working mmap" >&5 +if eval "test \"`echo '$''{'ac_cv_func_mmap_fixed_mapped'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + if test "$cross_compiling" = yes; then + ac_cv_func_mmap_fixed_mapped=no +else + cat > conftest.$ac_ext <<EOF +#line 2827 "configure" +#include "confdefs.h" + +/* Thanks to Mike Haertel and Jim Avera for this test. + Here is a matrix of mmap possibilities: + mmap private not fixed + mmap private fixed at somewhere currently unmapped + mmap private fixed at somewhere already mapped + mmap shared not fixed + mmap shared fixed at somewhere currently unmapped + mmap shared fixed at somewhere already mapped + For private mappings, we should verify that changes cannot be read() + back from the file, nor mmap's back from the file at a different + address. (There have been systems where private was not correctly + implemented like the infamous i386 svr4.0, and systems where the + VM page cache was not coherent with the filesystem buffer cache + like early versions of FreeBSD and possibly contemporary NetBSD.) + For shared mappings, we should conversely verify that changes get + propogated back to all the places they're supposed to be. + + Grep wants private fixed already mapped. + The main things grep needs to know about mmap are: + * does it exist and is it safe to write into the mmap'd area + * how to use it (BSD variants) */ +#include <sys/types.h> +#include <fcntl.h> +#include <sys/mman.h> + +/* This mess was copied from the GNU getpagesize.h. */ +#ifndef HAVE_GETPAGESIZE +# ifdef HAVE_UNISTD_H +# include <unistd.h> +# endif + +/* Assume that all systems that can run configure have sys/param.h. */ +# ifndef HAVE_SYS_PARAM_H +# define HAVE_SYS_PARAM_H 1 +# endif + +# ifdef _SC_PAGESIZE +# define getpagesize() sysconf(_SC_PAGESIZE) +# else /* no _SC_PAGESIZE */ +# ifdef HAVE_SYS_PARAM_H +# include <sys/param.h> +# ifdef EXEC_PAGESIZE +# define getpagesize() EXEC_PAGESIZE +# else /* no EXEC_PAGESIZE */ +# ifdef NBPG +# define getpagesize() NBPG * CLSIZE +# ifndef CLSIZE +# define CLSIZE 1 +# endif /* no CLSIZE */ +# else /* no NBPG */ +# ifdef NBPC +# define getpagesize() NBPC +# else /* no NBPC */ +# ifdef PAGESIZE +# define getpagesize() PAGESIZE +# endif /* PAGESIZE */ +# endif /* no NBPC */ +# endif /* no NBPG */ +# endif /* no EXEC_PAGESIZE */ +# else /* no HAVE_SYS_PARAM_H */ +# define getpagesize() 8192 /* punt totally */ +# endif /* no HAVE_SYS_PARAM_H */ +# endif /* no _SC_PAGESIZE */ + +#endif /* no HAVE_GETPAGESIZE */ + +#ifdef __cplusplus +extern "C" { void *malloc(unsigned); } +#else +char *malloc(); +#endif + +int +main() +{ + char *data, *data2, *data3; + int i, pagesize; + int fd; + + pagesize = getpagesize(); + + /* + * First, make a file with some known garbage in it. + */ + data = malloc(pagesize); + if (!data) + exit(1); + for (i = 0; i < pagesize; ++i) + *(data + i) = rand(); + umask(0); + fd = creat("conftestmmap", 0600); + if (fd < 0) + exit(1); + if (write(fd, data, pagesize) != pagesize) + exit(1); + close(fd); + + /* + * Next, try to mmap the file at a fixed address which + * already has something else allocated at it. If we can, + * also make sure that we see the same garbage. + */ + fd = open("conftestmmap", O_RDWR); + if (fd < 0) + exit(1); + data2 = malloc(2 * pagesize); + if (!data2) + exit(1); + data2 += (pagesize - ((int) data2 & (pagesize - 1))) & (pagesize - 1); + if (data2 != mmap(data2, pagesize, PROT_READ | PROT_WRITE, + MAP_PRIVATE | MAP_FIXED, fd, 0L)) + exit(1); + for (i = 0; i < pagesize; ++i) + if (*(data + i) != *(data2 + i)) + exit(1); + + /* + * Finally, make sure that changes to the mapped area + * do not percolate back to the file as seen by read(). + * (This is a bug on some variants of i386 svr4.0.) + */ + for (i = 0; i < pagesize; ++i) + *(data2 + i) = *(data2 + i) + 1; + data3 = malloc(pagesize); + if (!data3) + exit(1); + if (read(fd, data3, pagesize) != pagesize) + exit(1); + for (i = 0; i < pagesize; ++i) + if (*(data + i) != *(data3 + i)) + exit(1); + close(fd); + unlink("conftestmmap"); + exit(0); +} + +EOF +if { (eval echo configure:2967: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null +then + ac_cv_func_mmap_fixed_mapped=yes +else + echo "configure: failed program was:" >&5 + cat conftest.$ac_ext >&5 + rm -fr conftest* + ac_cv_func_mmap_fixed_mapped=no +fi +rm -fr conftest* +fi + +fi + +echo "$ac_t""$ac_cv_func_mmap_fixed_mapped" 1>&6 +if test $ac_cv_func_mmap_fixed_mapped = yes; then + cat >> confdefs.h <<\EOF +#define HAVE_MMAP 1 +EOF + fi + +echo $ac_n "checking for working strncmp""... $ac_c" 1>&6 +echo "configure:2991: checking for working strncmp" >&5 +if eval "test \"`echo '$''{'ac_cv_func_strncmp_works'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + if test "$cross_compiling" = yes; then + ac_cv_func_strncmp_works=no +else + cat > conftest.$ac_ext <<EOF +#line 2999 "configure" +#include "confdefs.h" + +/* Test by Jim Wilson and Kaveh Ghazi. + Check whether strncmp reads past the end of its string parameters. */ +#include <sys/types.h> + +#ifdef HAVE_FCNTL_H +#include <fcntl.h> +#endif + +#ifdef HAVE_SYS_MMAN_H +#include <sys/mman.h> +#endif + +#ifndef MAP_ANON +#ifdef MAP_ANONYMOUS +#define MAP_ANON MAP_ANONYMOUS +#else +#define MAP_ANON MAP_FILE +#endif +#endif + +#ifndef MAP_FILE +#define MAP_FILE 0 +#endif +#ifndef O_RDONLY +#define O_RDONLY 0 +#endif + +#define MAP_LEN 0x10000 + +main () +{ +#if defined(HAVE_MMAP) || defined(HAVE_MMAP_ANYWHERE) + char *p; + int dev_zero; + + dev_zero = open ("/dev/zero", O_RDONLY); + if (dev_zero < 0) + exit (1); + + p = (char *) mmap (0, MAP_LEN, PROT_READ|PROT_WRITE, + MAP_ANON|MAP_PRIVATE, dev_zero, 0); + if (p == (char *)-1) + exit (2); + else + { + char *string = "__si_type_info"; + char *q = (char *) p + MAP_LEN - strlen (string) - 2; + char *r = (char *) p + 0xe; + + strcpy (q, string); + strcpy (r, string); + strncmp (r, q, 14); + } +#endif /* HAVE_MMAP || HAVE_MMAP_ANYWHERE */ + exit (0); +} + +EOF +if { (eval echo configure:3060: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null +then + ac_cv_func_strncmp_works=yes +else + echo "configure: failed program was:" >&5 + cat conftest.$ac_ext >&5 + rm -fr conftest* + ac_cv_func_strncmp_works=no +fi +rm -fr conftest* +fi + +rm -f core core.* *.core +fi + +echo "$ac_t""$ac_cv_func_strncmp_works" 1>&6 +if test $ac_cv_func_strncmp_works = no ; then + LIBOBJS="$LIBOBJS strncmp.o" +fi + + # Install a library built with a cross compiler in $(tooldir) rather # than $(libdir). if test -z "${with_cross_host}"; then @@ -2705,8 +3232,8 @@ s%@build_vendor@%$build_vendor%g s%@build_os@%$build_os%g s%@AR@%$AR%g s%@RANLIB@%$RANLIB%g -s%@ac_libiberty_warn_cflags@%$ac_libiberty_warn_cflags%g s%@CC@%$CC%g +s%@ac_libiberty_warn_cflags@%$ac_libiberty_warn_cflags%g s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g s%@INSTALL_SCRIPT@%$INSTALL_SCRIPT%g s%@INSTALL_DATA@%$INSTALL_DATA%g |
