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build-sys: check static linking of UBSAN
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>
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configure
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@ -5306,7 +5306,15 @@ fi
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##########################################
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# checks for sanitizers
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write_c_skeleton
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# we could use a simple skeleton for flags checks, but this also
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# detect the static linking issue of ubsan, see also:
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
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cat > $TMPC << EOF
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#include <stdint.h>
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int main(void) {
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return INT32_MIN / -1;
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}
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EOF
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have_asan=no
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have_ubsan=no
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