X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=hints%2Fdec_osf.sh;h=ae56198e8776c037e76d15e40657e9c1025f8af0;hb=6e9d10810a2ec27ec94fd014e5dbab341c35afb1;hp=fa7596b398a93fc4f615381674c0934796b3dae9;hpb=b981e18eed642fda0e5e9d3395495003bfc2f8fd;p=p5sagit%2Fp5-mst-13.2.git diff --git a/hints/dec_osf.sh b/hints/dec_osf.sh index fa7596b..ae56198 100644 --- a/hints/dec_osf.sh +++ b/hints/dec_osf.sh @@ -58,20 +58,55 @@ # 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=${cc:-cc} + +case "`$cc -v 2>&1 | grep cc`" in +*gcc*) isgcc=gcc ;; +esac + +# 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 "$isgcc" in +gcc) _gcc_version=`$cc --version 2>&1 | tr . ' '` + set $_gcc_version + if test "$1" -lt 2 -o \( "$1" -eq 2 -a \( "$2" -lt 95 -o \( "$2" -eq 95 -a "$3" -lt 2 \) \) \); then + cat >&4 <&4 <&1`" in + case "`cc -v -I. -c taint.c -o taint$$.o 2>&1`" in */gemc_cc*) # we have the new DEC GEM CC _DEC_cc_style=new ;; @@ -80,13 +115,13 @@ case "$cc" in ;; esac # cleanup - rm -f /tmp/taint$$.o + rm -f taint$$.o ;; esac # be nauseatingly ANSI -case "$cc" in -*gcc*) ccflags="$ccflags -ansi" +case "$isgcc" in +gcc) ccflags="$ccflags -ansi" ;; *) ccflags="$ccflags -std" ;; @@ -98,9 +133,8 @@ esac # we want optimisation case "$optimize" in -'') case "$cc" in - *gcc*) - optimize='-O3' ;; +'') case "$isgcc" in + gcc) optimize='-O3' ;; *) case "$_DEC_cc_style" in new) optimize='-O4' ;; old) optimize='-O2 -Olimit 3200' ;; @@ -111,12 +145,35 @@ case "$optimize" in ;; esac +# we want dynamic fp rounding mode, and we want ieee exception semantics +case "$isgcc" in +gcc) ;; +*) case "$_DEC_cc_style" in + new) ccflags="$ccflags -fprm d -ieee" ;; + esac + ;; +esac + +# Make glibpth agree with the compiler suite. Note that /shlib +# is not here. That's on purpose. Even though that's where libc +# really lives from V4.0 on, the linker (and /sbin/loader) won't +# look there by default. The sharable /sbin utilities were all +# built with "-Wl,-rpath,/shlib" to get around that. This makes +# no attempt to figure out the additional location(s) searched by +# gcc, since not all versions of gcc are easily coerced into +# revealing that information. +glibpth="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc" +glibpth="$glibpth /usr/lib /usr/local/lib /var/shlib" + # dlopen() is in libc libswanted="`echo $libswanted | sed -e 's/ dl / /'`" # libPW contains nothing useful for perl libswanted="`echo $libswanted | sed -e 's/ PW / /'`" +# libnet contains nothing useful for perl here, and doesn't work +libswanted="`echo $libswanted | sed -e 's/ net / /'`" + # libbsd contains nothing used by perl that is not already in libc libswanted="`echo $libswanted | sed -e 's/ bsd / /'`" @@ -131,13 +188,26 @@ lddlflags='-shared -expect_unresolved "*"' # Fancy compiler suites use optimising linker as well as compiler. # -case "$_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. @@ -149,7 +219,7 @@ 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" ;; @@ -161,26 +231,127 @@ case "$optimize" in ;; esac -if [ "X$usethreads" != "X" ]; then - ccflags="-DUSE_THREADS $ccflags" - optimize="-pthread $optimize" - ldflags="-pthread $ldflags" - set `echo X "$libswanted "| sed -e 's/ c / pthread c_r /'` - shift - libswanted="$*" - usemymalloc='n' -fi +# +# Make embedding in things like INN and Apache more memory friendly. +# Keep it overridable on the Configure command line, though, so that +# "-Uuseshrplib" prevents this default. +# + +case "$_DEC_cc_style.$useshrplib" in + new.) useshrplib="$define" ;; +esac + +# The EFF_ONLY_OK from 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="$ccflags -DNO_EFF_ONLY_OK"' + ;; +esac + +# The off_t is already 8 bytes, so we do have largefileness. + +cat > UU/usethreads.cbu <<'EOCBU' +# This script UU/usethreads.cbu will get 'called-back' by Configure +# after it has prompted the user for whether to use threads. +case "$usethreads" in +$define|true|[yY]*) + # Threads interfaces changed with V4.0. + case "$isgcc" in + gcc) ccflags="-D_REENTRANT $ccflags" ;; + *) case "`uname -r`" in + *[123].*) ccflags="-threads $ccflags" ;; + *) ccflags="-pthread $ccflags" ;; + esac + ;; + esac + case "`uname -r`" in + *[123].*) libswanted="$libswanted pthreads mach exc c_r" ;; + *) libswanted="$libswanted pthread exc" ;; + esac + + case "$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]*) + case "`/usr/sbin/sizer -v`" in + *[1-4].0*) cat >&4 < +# +# * Added the -DNO_EFF_ONLY_OK flag ('use filetest;' support). +# +# perl5.004_57: +# +# 19-Dec-1997 Spider Boardman +# +# * Newer Digital UNIX compilers enforce signaling for NaN without +# -ieee. Added -fprm d at the same time since it's friendlier for +# embedding. +# +# * Fixed the library search path to match cc, ld, and /sbin/loader. +# +# * Default to building -Duseshrplib on newer systems. -Uuseshrplib +# still overrides. +# +# * Fix -pthread additions for useshrplib. ld has no -pthread option. +# +# +# perl5.004_04: +# +# 19-Sep-1997 Spider Boardman +# +# * libnet on Digital UNIX is for JAVA, not for sockets. +# +# # perl5.003_28: # # 22-Feb-1997 Jarkko Hietaniemi