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Gentoo's Bugzilla – Attachment 525216 Details for
Bug 650876
sys-devel/libtool does not link -lpthread into shared CXX libraries when -pthread is used
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[patch]
libtool-2.4.6-pthread.patch
libtool-2.4.6-pthread.patch (text/plain), 1.46 KB, created by
Sergei Trofimovich (RETIRED)
on 2018-03-24 12:19:41 UTC
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Description:
libtool-2.4.6-pthread.patch
Filename:
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Creator:
Sergei Trofimovich (RETIRED)
Created:
2018-03-24 12:19:41 UTC
Size:
1.46 KB
patch
obsolete
>http://permalink.gmane.org/gmane.comp.gnu.libtool.patches/11704 >https://bugs.gentoo.org/650876 > >From: Pavel Raiskup <praiskup <at> redhat.com> >Subject: [PATCH] libtool: handle the -pthread{,s} options for g++ >Newsgroups: gmane.comp.gnu.libtool.patches >Date: Thursday 28th November 2013 14:18:05 UTC (over 4 years ago) > >As we are forced to pass -nostdlib to g++ for linking, this option >expectedly disables the effectiveness of passed -pthread flag - so >add the -lpthread explicitly to $deplibs to link correctly. > >References: >http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25460 >https://bugzilla.redhat.com/show_bug.cgi?id=661333 >http://lists.gnu.org/archive/html/bug-libtool/2013-01/msg00018.htm > >* build-aux/ltmain.in (func_mode_link): Explicitly add -lpthread >flag into $deplibs when -pthread is passed (for g++ only). >--- > build-aux/ltmain.in | 10 ++++++++++ > 1 file changed, 10 insertions(+) > >diff --git a/build-aux/ltmain.in b/build-aux/ltmain.in >index fba05c1..f202b80 100644 >--- a/build-aux/ltmain.in >+++ b/build-aux/ltmain.in >@@ -5113,6 +5113,16 @@ func_mode_link () > *" $arg "*) ;; > * ) func_append new_inherited_linker_flags " $arg" ;; > esac >+ >+ # As we are forced to pass -nostdlib to g++ during linking, the option >+ # -pthread{,s} is not in effect; add the -lpthread to $deplist >+ # explicitly to link correctly. >+ if test "$tagname" = CXX -a x"$with_gcc" = xyes; then >+ case "$arg" in >+ -pthread*) func_append deplibs " -lpthread" ;; >+ esac >+ fi >+ > continue > ;;
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bug 650876
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