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build-sys: check static linking of UBSAN

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Backports commit 218bb57dd79d6843e0592c30a82ea8c1fddc74a5 from qemu
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Marc-André Lureau 2018-03-08 09:00:28 -05:00 committed by Lioncash
parent bb442e7843
commit 372766d6d3
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1 changed files with 9 additions and 1 deletions
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10
qemu/configure vendored
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@ -1179,7 +1179,15 @@ fi
########################################## ##########################################
# checks for sanitizers # 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_asan=no
have_ubsan=no have_ubsan=no