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build-sys: check static linking of UBSAN

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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20180208162343.30809-2-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Marc-André Lureau 2018-02-08 17:23:42 +01:00 committed by Paolo Bonzini
parent 1de19951f1
commit 218bb57dd7
1 changed files with 9 additions and 1 deletions
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10
configure vendored
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@ -5306,7 +5306,15 @@ fi
##########################################
# checks for sanitizers
write_c_skeleton
# we could use a simple skeleton for flags checks, but this also
# detect the static linking issue of ubsan, see also:
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
cat > $TMPC << EOF
#include <stdint.h>
int main(void) {
return INT32_MIN / -1;
}
EOF
have_asan=no
have_ubsan=no