From da78a1bc7a6ad2c0653c265a19032540921c15d0 Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Wed, 27 Mar 2013 14:34:32 +0100 Subject: compiler: fix warning with GCC 4.8.0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit GCC 4.8.0 introduces a new warning: block/qcow2-snapshot.c: In function 'qcow2_write_snapshots’: block/qcow2-snapshot.c:252:18: error: typedef 'qemu_build_bug_on__253' locally defined but not used [-Werror=unused-local-typedefs] QEMU_BUILD_BUG_ON(offsetof(QCowHeader, snapshots_offset) != ^ cc1: all warnings being treated as errors (Caret diagnostics aren't perfect yet with macros... :)) Work around it with __attribute__((unused)). Signed-off-by: Paolo Bonzini Message-id: 1364391272-1128-1-git-send-email-pbonzini@redhat.com Signed-off-by: Anthony Liguori (cherry picked from commit 99835e00849369bab726a4dc4ceed1f6f9ed967c) Signed-off-by: Michael Roth --- include/qemu/compiler.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/qemu/compiler.h b/include/qemu/compiler.h index 2f7998b6c1..6175c24c94 100644 --- a/include/qemu/compiler.h +++ b/include/qemu/compiler.h @@ -33,7 +33,7 @@ #define cat(x,y) x ## y #define cat2(x,y) cat(x,y) #define QEMU_BUILD_BUG_ON(x) \ - typedef char cat2(qemu_build_bug_on__,__LINE__)[(x)?-1:1]; + typedef char cat2(qemu_build_bug_on__,__LINE__)[(x)?-1:1] __attribute__((unused)); #if defined __GNUC__ # if !QEMU_GNUC_PREREQ(4, 4) -- cgit v1.2.1