From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48396) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bDY69-0006nH-5h for qemu-devel@nongnu.org; Thu, 16 Jun 2016 10:16:49 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bDY61-0002zz-W5 for qemu-devel@nongnu.org; Thu, 16 Jun 2016 10:16:44 -0400 Received: from mx1.redhat.com ([209.132.183.28]:37499) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bDY61-0002zs-Pl for qemu-devel@nongnu.org; Thu, 16 Jun 2016 10:16:37 -0400 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 6F68A804E3 for ; Thu, 16 Jun 2016 14:16:37 +0000 (UTC) From: Paolo Bonzini Date: Thu, 16 Jun 2016 16:16:01 +0200 Message-Id: <1466086585-16526-7-git-send-email-pbonzini@redhat.com> In-Reply-To: <1466086585-16526-1-git-send-email-pbonzini@redhat.com> References: <1466086585-16526-1-git-send-email-pbonzini@redhat.com> Subject: [Qemu-devel] [PULL 06/30] Make avx2 configure test work with -O2 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: "Dr. David Alan Gilbert" From: "Dr. David Alan Gilbert" When configured with --extra-cflags=-O2 gcc optimised out the test and the readelf failed the check leaving avx2 disabled. Signed-off-by: Dr. David Alan Gilbert Message-Id: <1465557378-24105-2-git-send-email-dgilbert@redhat.com> Signed-off-by: Paolo Bonzini --- configure | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/configure b/configure index cbe013b..3c0e279 100755 --- a/configure +++ b/configure @@ -1781,7 +1781,7 @@ fi cat > $TMPC << EOF static void bar(void) {} static void *bar_ifunc(void) {return (void*) bar;} -static void foo(void) __attribute__((ifunc("bar_ifunc"))); +void foo(void) __attribute__((ifunc("bar_ifunc"))); int main(void) { foo(); return 0; } EOF if compile_prog "-mavx2" "" ; then -- 2.5.5