diff options
Diffstat (limited to 'contrib/perl5/hints/dec_osf.sh')
| -rw-r--r-- | contrib/perl5/hints/dec_osf.sh | 131 |
1 files changed, 101 insertions, 30 deletions
diff --git a/contrib/perl5/hints/dec_osf.sh b/contrib/perl5/hints/dec_osf.sh index 8758cbb..db7b869 100644 --- a/contrib/perl5/hints/dec_osf.sh +++ b/contrib/perl5/hints/dec_osf.sh @@ -58,20 +58,41 @@ # and it is called GEM. Many of the options we are going to use depend # on the compiler style. -# do NOT, I repeat, *NOT* take away those leading tabs +cc=${cc:-cc} + +# do NOT, I repeat, *NOT* take away the leading tabs +# Configure Black Magic (TM) # reset - _DEC_uname_r= _DEC_cc_style= - # set - _DEC_uname_r=`uname -r` - # _DEC_cc_style set soon below -# Configure Black Magic (TM) +case "`$cc -v 2>&1 | grep cc`" in +*gcc*) _gcc_version=`$cc -v 2>&1 | grep "gcc version" | sed 's%^gcc version \([0-9]*\)\.\([0-9]*\) .*%\1 \2%'` + set $_gcc_version + if test "$1" -lt 2 -o \( "$1" -eq 2 -a "$2" -lt 95 \); then + cat >&4 <<EOF + +Your cc seems to be gcc and its version seems to be less than 2.95. +This is not a good idea since old versions of gcc are known to produce +buggy code when compiling Perl (and no doubt for other programs, too). + +Therefore, I strongly suggest upgrading your gcc. (Why don't you +use the vendor cc is also a good question. It comes with the operating +system and produces good code.) + +Note that as of gcc 2.95 (19990728) and Perl 5.6.0 (end of March 2000) +if the said Perl is compiled with the said gcc the lib/sdbm test will +dump core. As this doesn't happen with the vendor cc, this is +most probably a lingering bug in gcc. Therefore unless you have +a better gcc you are still better off using the vendor cc. + +Cannot continue, aborting. -case "$cc" in -*gcc*) ;; # pass +EOF + exit 1 + fi + ;; *) # compile something small: taint.c is fine for this. # the main point is the '-v' flag of 'cc'. - case "`cc -v -I. -c taint.c -o /tmp/taint$$.o 2>&1`" in + case "`cc -v -I. -c taint.c -o taint$$.o 2>&1`" in */gemc_cc*) # we have the new DEC GEM CC _DEC_cc_style=new ;; @@ -80,12 +101,12 @@ case "$cc" in ;; esac # cleanup - rm -f /tmp/taint$$.o + rm -f taint$$.o ;; esac # be nauseatingly ANSI -case "$cc" in +case "`$cc -v 2>&1 | grep gcc`" in *gcc*) ccflags="$ccflags -ansi" ;; *) ccflags="$ccflags -std" @@ -98,7 +119,7 @@ esac # we want optimisation case "$optimize" in -'') case "$cc" in +'') case "`$cc -v 2>&1 | grep gcc`" in *gcc*) optimize='-O3' ;; *) case "$_DEC_cc_style" in @@ -147,13 +168,26 @@ lddlflags='-shared -expect_unresolved "*"' # Fancy compiler suites use optimising linker as well as compiler. # <spider@Orb.Nashua.NH.US> -case "$_DEC_uname_r" in +case "`uname -r`" in *[123].*) # old loader lddlflags="$lddlflags -O3" ;; -*) lddlflags="$lddlflags $optimize -msym" - # -msym: If using a sufficiently recent /sbin/loader, - # keep the module symbols with the modules. +*) if $test "X$optimize" = "X$undef"; then + lddlflags="$lddlflags -msym" + else + case "`/usr/sbin/sizer -v`" in + *4.0D*) + # QAR 56761: -O4 + .so may produce broken code, + # fixed in 4.0E or better. + ;; + *) + lddlflags="$lddlflags $optimize" + ;; + esac + # -msym: If using a sufficiently recent /sbin/loader, + # keep the module symbols with the modules. + lddlflags="$lddlflags -msym -std" + fi ;; esac # Yes, the above loses if gcc does not use the system linker. @@ -165,7 +199,7 @@ esac # As noted above the -DDEBUGGING is added automagically by Configure if -g. case "$optimize" in *-g*) ;; # left intentionally blank -*) case "$_DEC_uname_r" in +*) case "`uname -r`" in *[123].*) case "$useshrplib" in false|undef|'') lddlflags="$lddlflags -s" ;; @@ -187,38 +221,75 @@ case "$_DEC_cc_style.$useshrplib" in new.) useshrplib="$define" ;; esac +# The EFF_ONLY_OK from <sys/access.h> is present but dysfunctional for +# [RWX]_OK as of Digital UNIX 4.0[A-D]?. If and when this gets fixed, +# please adjust this appropriately. See also pp_sys.c just before the +# emulate_eaccess(). + +# Fixed in V5.0A. +case "`/usr/sbin/sizer -v`" in +*5.0[A-Z]*|*5.[1-9]*|*[6-9].[0-9]*) + : ok + ;; +*) +# V5.0 or previous +pp_sys_cflags='ccflags="$ccflags -DNO_EFF_ONLY_OK"' + ;; +esac + +# The off_t is already 8 bytes, so we do have largefileness. + +cat > UU/usethreads.cbu <<'EOCBU' # This script UU/usethreads.cbu will get 'called-back' by Configure # after it has prompted the user for whether to use threads. -cat > UU/usethreads.cbu <<'EOCBU' case "$usethreads" in $define|true|[yY]*) - # Threads interfaces changed with V4.0. - case "`uname -r`" in - *[123].*) - libswanted="$libswanted pthreads mach exc c_r" - ccflags="-threads $ccflags" - ;; - *) - libswanted="$libswanted pthread exc" - ccflags="-pthread $ccflags" + # Threads interfaces changed with V4.0. + case "`$cc -v 2>&1 | grep gcc`" in + *gcc*)ccflags="-D_REENTRANT $ccflags" ;; + *) case "`uname -r`" in + *[123].*) ccflags="-threads $ccflags" ;; + *) ccflags="-pthread $ccflags" ;; + esac ;; - esac + esac + case "`uname -r`" in + *[123].*) libswanted="$libswanted pthreads mach exc c_r" ;; + *) libswanted="$libswanted pthread exc" ;; + esac - usemymalloc='n' + case "$usemymalloc" in + '') + usemymalloc='n' + ;; + esac ;; esac EOCBU +cat > UU/uselongdouble.cbu <<'EOCBU' +# This script UU/uselongdouble.cbu will get 'called-back' by Configure +# after it has prompted the user for whether to use long doubles. +case "$uselongdouble" in +$define|true|[yY]*) d_Gconvert='sprintf((b),"%.*Lg",(n),(x))' ;; +esac +EOCBU + # # Unset temporary variables no more needed. # unset _DEC_cc_style -unset _DEC_uname_r # # History: # +# perl5.005_51: +# +# September-1998 Jarkko Hietaniemi <jhi@iki.fi> +# +# * Added the -DNO_EFF_ONLY_OK flag ('use filetest;' support). +# # perl5.004_57: # # 19-Dec-1997 Spider Boardman <spider@Orb.Nashua.NH.US> |
