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221159b1ca
Signed-off-by: Michał Górny <mgorny@gentoo.org> Closes: https://github.com/gentoo/gentoo/pull/34807 Signed-off-by: Michał Górny <mgorny@gentoo.org>
44 lines
1.5 KiB
Diff
44 lines
1.5 KiB
Diff
http://permalink.gmane.org/gmane.comp.gnu.libtool.patches/11704
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https://bugs.gentoo.org/650876
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From: Pavel Raiskup <praiskup <at> redhat.com>
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Subject: [PATCH] libtool: handle the -pthread{,s} options for g++
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Newsgroups: gmane.comp.gnu.libtool.patches
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Date: Thursday 28th November 2013 14:18:05 UTC (over 4 years ago)
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As we are forced to pass -nostdlib to g++ for linking, this option
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expectedly disables the effectiveness of passed -pthread flag - so
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add the -lpthread explicitly to $deplibs to link correctly.
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References:
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25460
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https://bugzilla.redhat.com/show_bug.cgi?id=661333
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http://lists.gnu.org/archive/html/bug-libtool/2013-01/msg00018.htm
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* build-aux/ltmain.in (func_mode_link): Explicitly add -lpthread
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flag into $deplibs when -pthread is passed (for g++ only).
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---
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build-aux/ltmain.in | 10 ++++++++++
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1 file changed, 10 insertions(+)
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diff --git a/build-aux/ltmain.in b/build-aux/ltmain.in
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index fba05c1..f202b80 100644
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--- a/build-aux/ltmain.in
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+++ b/build-aux/ltmain.in
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@@ -5113,6 +5113,16 @@ func_mode_link ()
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*" $arg "*) ;;
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* ) func_append new_inherited_linker_flags " $arg" ;;
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esac
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+
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+ # As we are forced to pass -nostdlib to g++ during linking, the option
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+ # -pthread{,s} is not in effect; add the -lpthread to $deplist
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+ # explicitly to link correctly.
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+ if test "$tagname" = CXX -a x"$with_gcc" = xyes; then
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+ case "$arg" in
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+ -pthread*) func_append deplibs " -lpthread" ;;
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+ esac
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+ fi
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+
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continue
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;;
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