configure.ac | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
New commits:
commit d15540c431587368d749b53074af25cf865e7a5f
Author: Stephan Bergmann <sberg...@redhat.com>
Date: Thu May 8 14:37:19 2014 +0200
Prevent false positive configure check under Clang -fsanitize=address
(at the expense of effectively disabling the check in that case, though)
Change-Id: I57a0f4f815e8e8dac09e8695f3281504a6501569
diff --git a/configure.ac b/configure.ac
index 4811cd3..7f2e48e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -6522,7 +6522,20 @@ _ACEOF
if ! $CXX $CXXFLAGS $CPPFLAGS $LINKFLAGSSHL -fPIC
-fvisibility-inlines-hidden conftestlib1.cc -o libconftest1$DLLPOST >/dev/null
2>&5; then
gccvisinlineshiddenok=no
else
- if ! $CXX $CXXFLAGS $CPPFLAGS $LINKFLAGSSHL -fPIC
-fvisibility-inlines-hidden conftestlib2.cc -L. -lconftest1 $LINKFLAGSNOUNDEFS
-o libconftest2$DLLPOST >/dev/null 2>&5; then
+ dnl At least Clang -fsanitize=address is known to not work with
+ dnl -z defs (unsetting which makes the test moot, though):
+ my_linkflagsnoundefs=$LINKFLAGSNOUNDEFS
+ if test "$COM_GCC_IS_CLANG" = TRUE; then
+ for i in $CXX; do
+ case $i in
+ -fsanitize=address)
+ my_linkflagsnoundefs=
+ break
+ ;;
+ esac
+ done
+ fi
+ if ! $CXX $CXXFLAGS $CPPFLAGS $LINKFLAGSSHL -fPIC
-fvisibility-inlines-hidden conftestlib2.cc -L. -lconftest1
$my_linkflagsnoundefs -o libconftest2$DLLPOST >/dev/null 2>&5; then
gccvisinlineshiddenok=no
fi
fi
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