tree 3afc09c2ad05326f0beed49fb08d5f3a3d27c2e9
parent c1556a812a16023894e53c7b2215929741a5bf17
author Bruce Rogers <brogers@suse.com> 1345488308 -0600
committer Blue Swirl <blauwirbel@gmail.com> 1351347664 +0000

configure: avoid compiler warning in pipe2 detection

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>