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configure: Add -Werror to avx2, avx512 tests

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When using clang, we get

ERROR: configure test passed without -Werror but failed with -Werror.
       This is probably a bug in the configure script. The failing command
       will be at the bottom of config.log.
       You can run configure with --disable-werror to bypass this check.

What we really want from these two tests is whether the
entire code sequence is supported, including pragmas.
Adding -Werror makes the test properly fail for clang.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210719200112.295316-1-richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Richard Henderson 2021-07-19 10:01:12 -10:00 • committed by Paolo Bonzini
parent 14833e24de
commit 5b945f23d6
1 changed files with 2 additions and 2 deletions
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4
configure vendored
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@ -3881,7 +3881,7 @@ static int bar(void *a) {
}
int main(int argc, char *argv[]) { return bar(argv[0]); }
EOF
if compile_object "" ; then
if compile_object "-Werror" ; then
avx2_opt="yes"
else
avx2_opt="no"
@ -3911,7 +3911,7 @@ int main(int argc, char *argv[])
return bar(argv[0]);
}
EOF
if ! compile_object "" ; then
if ! compile_object "-Werror" ; then
avx512f_opt="no"
fi
else