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| author | Adrian M. Enache <enache@rdslink.ro> | 2003-04-03 18:50:48 +0300 |
|---|---|---|
| committer | Rafael Garcia-Suarez <rgarciasuarez@gmail.com> | 2003-04-05 21:10:00 +0000 |
| commit | 9b9c6f34276ee8dd10904b2f4e725d7aaa1617e5 (patch) | |
| tree | 947503ce1e8ee95559d8e8d4d3d928824e671ed3 /Makefile.SH | |
| parent | f918d67792522c30e735f8e174d716ee850902e6 (diff) | |
| download | perl-9b9c6f34276ee8dd10904b2f4e725d7aaa1617e5.tar.gz | |
LD_PRELOAD hack, still badly flawed / a solution
Message-ID: <20030403125048.GA6107@ratsnest.hole>
On linux, when building a shared library, generate
a small shell wrapper, "preload", that preloads libperl.so
only if it exists. Useful when the 'make' process stops
before the link phase.
p4raw-id: //depot/perl@19150
Diffstat (limited to 'Makefile.SH')
| -rw-r--r-- | Makefile.SH | 39 |
1 files changed, 23 insertions, 16 deletions
diff --git a/Makefile.SH b/Makefile.SH index 63e3176a95..676eb52dca 100644 --- a/Makefile.SH +++ b/Makefile.SH @@ -96,26 +96,32 @@ true) ldlibpth=`echo $ldlibpth | sed 's/:*$//'` ;; esac - ;; -*) pldlflags='' - static_target='static' - ;; -esac -case "$ldlibpth" in -# Protect any spaces -*" "*) ldlibpth=`echo $ldlibpth|sed 's/ /\\\\ /g'` ;; -esac + case "$ldlibpth" in + # Protect any spaces + *" "*) ldlibpth=`echo $ldlibpth|sed 's/ /\\\\ /g'` ;; + esac -case "$osname" in -linux) - case "$useshrplib" in - true) - ldlibpth="LD_PRELOAD=\"\$\$LD_PRELOAD `pwd`/$libperl\" $ldlibpth" - ;; + case "$osname" in + linux) + cat <<-'EOT' >| preload + #! /bin/sh + lib=$1 + shift + test -r $lib && export LD_PRELOAD="$lib $LD_PRELOAD" + exec "$@" + EOT + chmod 755 preload + ldlibpth="$ldlibpth `pwd`/preload `pwd`/$libperl" + ;; + os390) test -f /bin/env && ldlibpth="/bin/env $ldlibpth" + ;; esac + ;; -os390) test -f /bin/env && ldlibpth="/bin/env $ldlibpth" + +*) pldlflags='' + static_target='static' ;; esac @@ -944,6 +950,7 @@ _cleaner2: rm -f lib/.exists lib/*/.exists lib/*/*/.exists rm -f h2ph.man pstruct rm -rf .config + rm -f preload rm -f testcompile compilelog -rmdir lib/B lib/Data lib/Digest rm -rf lib/Encode |