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configure: avoid compiler warning in pipe2 detection

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When building qemu-kvm for openSUSE:Factory, I am getting a
warning in the pipe2 detection performed by configure, which
prevents using --enable-werror.

Change detection code to use return value of pipe2.

Signed-off-by: Bruce Rogers <brogers@suse.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Bruce Rogers 2012-08-20 12:45:08 -06:00 • committed by Blue Swirl
parent c1556a812a
commit 9bca81624e
1 changed files with 1 additions and 2 deletions
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3
configure vendored
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@ -2399,8 +2399,7 @@ cat > $TMPC << EOF
int main(void)
{
int pipefd[2];
pipe2(pipefd, O_CLOEXEC);
return 0;
return pipe2(pipefd, O_CLOEXEC);
}
EOF
if compile_prog "" "" ; then