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Diffstat (limited to 'contrib/perl5/hints/dec_osf.sh')
| -rw-r--r-- | contrib/perl5/hints/dec_osf.sh | 422 |
1 files changed, 0 insertions, 422 deletions
diff --git a/contrib/perl5/hints/dec_osf.sh b/contrib/perl5/hints/dec_osf.sh deleted file mode 100644 index ce3a40c..0000000 --- a/contrib/perl5/hints/dec_osf.sh +++ /dev/null @@ -1,422 +0,0 @@ -# hints/dec_osf.sh - -# * If you want to debug perl or want to send a -# stack trace for inclusion into an bug report, call -# Configure with the additional argument -Doptimize=-g2 -# or uncomment this assignment to "optimize": -# -#optimize=-g2 -# -# If you want both to optimise and debug with the DEC cc -# you must have -g3, e.g. "-O4 -g3", and (re)run Configure. -# -# * gcc can always have both -g and optimisation on. -# -# * debugging optimised code, no matter what compiler -# one is using, can be surprising and confusing because of -# the optimisation tricks like code motion, code removal, -# loop unrolling, and inlining. The source code and the -# executable code simply do not agree any more while in -# mid-execution, the optimiser only cares about the results. -# -# * Configure will automatically add the often quoted -# -DDEBUGGING for you if the -g is specified. -# -# * There is even more optimisation available in the new -# (GEM) DEC cc: -O5 and -fast. "man cc" will tell more about them. -# The jury is still out whether either or neither help for Perl -# and how much. Based on very quick testing, -fast boosts -# raw data copy by about 5-15% (-fast brings in, among other -# things, inlined, ahem, fast memcpy()), while on the other -# hand searching things (index, m//, s///), seems to get slower. -# Your mileage will vary. -# -# * The -std is needed because the following compiled -# without the -std and linked with -lm -# -# #include <math.h> -# #include <stdio.h> -# int main(){short x=10,y=sqrt(x);printf("%d\n",y);} -# -# will in Digital UNIX 3.* and 4.0b print 0 -- and in Digital -# UNIX 4.0{,a} dump core: Floating point exception in the printf(), -# the y has become a signaling NaN. -# -# * Compilation warnings like: -# -# "Undefined the ANSI standard macro ..." -# -# can be ignored, at least while compiling the POSIX extension -# and especially if using the sfio (the latter is not a standard -# part of Perl, never mind if it says little to you). -# - -# If using the DEC compiler we must find out the DEC compiler style: -# the style changed between Digital UNIX (aka DEC OSF/1) 3 and -# Digital UNIX 4. The old compiler was originally from Ultrix and -# the MIPS company, the new compiler is originally from the VAX world -# and it is called GEM. Many of the options we are going to use depend -# on the compiler style. - -cc=${cc:-cc} - -# do NOT, I repeat, *NOT* take away the leading tabs -# Configure Black Magic (TM) - # reset - _DEC_cc_style= -case "`$cc -v 2>&1 | grep cc`" 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 <<EOF - -*** Your cc seems to be gcc and its version ($_gcc_version) seems to be -*** less than 2.95.2. 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.) - -Cannot continue, aborting. - -EOF - exit 1 - fi - if test "$1" -eq 2 -a "$2" -eq 95 -a "$3" -le 2; then - cat >&4 <<EOF - -*** Note that as of gcc 2.95.2 (19991024) and Perl 5.6.0 (March 2000) -*** if the said Perl is compiled with the said gcc the lib/sdbm test -*** may dump core (meaning that the SDBM_File extension is unusable). -*** As this core dump never happens with the vendor cc, this is most -*** probably a lingering bug in gcc. Therefore unless you have a better -*** gcc installation you are still better off using the vendor cc. - -Since you explicitly chose gcc, I assume that you know what are doing. - -EOF - fi - ;; -*) # compile something small: taint.c is fine for this. - ccversion=`cc -V | awk '/(Compaq|DEC) C/ {print $3}'` - # the main point is the '-v' flag of 'cc'. - case "`cc -v -I. -c taint.c -o taint$$.o 2>&1`" in - */gemc_cc*) # we have the new DEC GEM CC - _DEC_cc_style=new - ;; - *) # we have the old MIPS CC - _DEC_cc_style=old - ;; - esac - # cleanup - rm -f taint$$.o - ;; -esac - -# be nauseatingly ANSI -case "`$cc -v 2>&1 | grep gcc`" in -*gcc*) ccflags="$ccflags -ansi" - ;; -*) ccflags="$ccflags -std" - ;; -esac - -# for gcc the Configure knows about the -fpic: -# position-independent code for dynamic loading - -# we want optimisation - -case "$optimize" in -'') case "`$cc -v 2>&1 | grep gcc`" in - *gcc*) - optimize='-O3' ;; - *) case "$_DEC_cc_style" in - new) optimize='-O4' - ccflags="$ccflags -fprm d -ieee" - ;; - old) optimize='-O2 -Olimit 3200' ;; - esac - ccflags="$ccflags -D_INTRINSICS" - ;; - 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 / /'`" - -# libc need not be separately listed -libswanted="`echo $libswanted | sed -e 's/ c / /'`" - -# ndbm is already in libc -libswanted="`echo $libswanted | sed -e 's/ ndbm / /'`" - -# the basic lddlflags used always -lddlflags='-shared -expect_unresolved "*"' - -# Fancy compiler suites use optimising linker as well as compiler. -# <spider@Orb.Nashua.NH.US> -case "`uname -r`" in -*[123].*) # old loader - lddlflags="$lddlflags -O3" - ;; -*) 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. -# If that happens, let me know about it. <jhi@iki.fi> - - -# If debugging or (old systems and doing shared) -# then do not strip the lib, otherwise, strip. -# As noted above the -DDEBUGGING is added automagically by Configure if -g. -case "$optimize" in - *-g*) ;; # left intentionally blank -*) case "`uname -r`" in - *[123].*) - case "$useshrplib" in - false|undef|'') lddlflags="$lddlflags -s" ;; - esac - ;; - *) lddlflags="$lddlflags -s" - ;; - esac - ;; -esac - -# -# 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="$define" ;; -esac - -# The EFF_ONLY_OK from <sys/access.h> is present but dysfunctional for -# [RWX]_OK as of Digital UNIX 4.0[A-D]?. If and when this gets fixed, -# please adjust this appropriately. See also pp_sys.c just before the -# emulate_eaccess(). - -# Fixed in V5.0A. -case "`/usr/sbin/sizer -v`" in -*5.0[A-Z]*|*5.[1-9]*|*[6-9].[0-9]*) - : ok - ;; -*) -# V5.0 or previous -pp_sys_cflags='ccflags="$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. -case "$usethreads" in -$define|true|[yY]*) - # 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 $ccflags" ;; - esac - ;; - esac - case "`uname -r`" in - *[123].*) libswanted="$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]*) d_Gconvert='sprintf((b),"%.*Lg",(n),(x))' ;; -esac -EOCBU - -# -# Unset temporary variables no more needed. -# - -unset _DEC_cc_style - -# -# 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> -# -# * 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 <spider@Orb.Nashua.NH.US> -# -# * libnet on Digital UNIX is for JAVA, not for sockets. -# -# -# perl5.003_28: -# -# 22-Feb-1997 Jarkko Hietaniemi <jhi@iki.fi> -# -# * Restructuring Spider's suggestions. -# -# * Older Digital UNIXes cannot handle -Olimit ... for $lddlflags. -# -# * ld -s cannot be used in older Digital UNIXes when doing shared. -# -# -# 21-Feb-1997 Spider Boardman <spider@Orb.Nashua.NH.US> -# -# * -hidden removed. -# -# * -DSTANDARD_C removed. -# -# * -D_INTRINSICS added. (that -fast does not seem to buy much confirmed) -# -# * odbm not in libc, only ndbm. Therefore dbm back to $libswanted. -# -# * -msym for the newer runtime loaders. -# -# * $optimize also in $lddflags. -# -# -# perl5.003_27: -# -# 18-Feb-1997 Jarkko Hietaniemi <jhi@iki.fi> -# -# * unset _DEC_cc_style and more commentary on -std. -# -# -# perl5.003_26: -# -# 15-Feb-1997 Jarkko Hietaniemi <jhi@iki.fi> -# -# * -std and -ansi. -# -# -# perl5.003_24: -# -# 30-Jan-1997 Jarkko Hietaniemi <jhi@iki.fi> -# -# * Fixing the note on -DDEBUGGING. -# -# * Note on -O5 -fast. -# -# -# perl5.003_23: -# -# 26-Jan-1997 Jarkko Hietaniemi <jhi@iki.fi> -# -# * Notes on how to do both optimisation and debugging. -# -# -# 25-Jan-1997 Jarkko Hietaniemi <jhi@iki.fi> -# -# * Remove unneeded libraries from $libswanted: PW, bsd, c, dbm -# -# * Restructure the $lddlflags build. -# -# * $optimize based on which compiler we have. -# -# -# perl5.003_22: -# -# 23-Jan-1997 Achim Bohnet <ach@rosat.mpe-garching.mpg.de> -# -# * Added comments 'how to create a debugging version of perl' -# -# * Fixed logic of this script to prevent stripping of shared -# objects by the loader (see ld man page for -s) is debugging -# is set via the -g switch. -# -# -# 21-Jan-1997 Achim Bohnet <ach@rosat.mpe-garching.mpg.de> -# -# * now 'dl' is always removed from libswanted. Not only if -# optimize is an empty string. -# -# -# 17-Jan-1997 Achim Bohnet <ach@rosat.mpe-garching.mpg.de> -# -# * Removed 'dl' from libswanted: When the FreePort binary -# translator for Sun binaries is installed Configure concludes -# that it should use libdl.x.yz.fpx.so :-( -# Because the dlopen, dlclose,... calls are in the -# C library it not necessary at all to check for the -# dl library. Therefore dl is removed from libswanted. -# -# -# 1-Jan-1997 Achim Bohnet <ach@rosat.mpe-garching.mpg.de> -# -# * Set -Olimit to 3200 because perl_yylex.c got too big -# for the optimizer. -# |
