From patchwork Thu Oct 20 16:17:34 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [2/8] configure: Update configure so that open_by_handle_at check returns correct value From: "Aneesh Kumar K.V" X-Patchwork-Id: 120836 Message-Id: <1319127460-5181-3-git-send-email-aneesh.kumar@linux.vnet.ibm.com> To: qemu-devel@nongnu.org Cc: aliguori@us.ibm.com, "Aneesh Kumar K.V" Date: Thu, 20 Oct 2011 21:47:34 +0530 From: "Aneesh Kumar K.V" According to David Gibson for some compiler/libc combinations, open_by_handle_at test in configure isn't quite right: because the file_handle pointer is never dereferenced, gcc doesn't complain even if it is undefined. Change the test as suggested by him. Signed-off-by: Aneesh Kumar K.V --- configure | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/configure b/configure index 4f87e0a..19e8394 100755 --- a/configure +++ b/configure @@ -2562,7 +2562,7 @@ fi open_by_hande_at=no cat > $TMPC << EOF #include -int main(void) { struct file_handle *fh; open_by_handle_at(0, fh, 0); } +int main(void) { struct file_handle fh; open_by_handle_at(0, &fh, 0); } EOF if compile_prog "" "" ; then open_by_handle_at=yes