On 19/07/21 22:01, Richard Henderson wrote:
> 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>
> ---
> configure | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/configure b/configure
> index 63f38fa94c..cf4616f635 100755
> --- a/configure
> +++ b/configure
> @@ -3884,7 +3884,7 @@ 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"
> @@ -3914,7 +3914,7 @@ 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
>
Queued, thanks.
Paolo