[Qemu-devel] [PATCH] configure: avoid compiler warning in pipe2 detection

[Bruce Rogers]

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 <address@hidden>
---
 configure |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/configure b/configure
index 5808764..2e1f7f8 100755
--- a/configure
+++ b/configure
@@ -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
-- 
1.7.7