From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 32350 invoked by alias); 25 Dec 2013 16:14:09 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 32319 invoked by uid 48); 25 Dec 2013 16:14:05 -0000 From: "hjl.tools at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug libitm/53113] Build fails in x86_avx.cc if AVX disabled but supported by as (Solaris & Linux) Date: Wed, 25 Dec 2013 16:14:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: libitm X-Bugzilla-Version: 4.7.2 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: hjl.tools at gmail dot com X-Bugzilla-Status: WAITING X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_status cf_reconfirmed_on everconfirmed Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2013-12/txt/msg02151.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53113 H.J. Lu changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |WAITING Last reconfirmed| |2013-12-25 Ever confirmed|0 |1 --- Comment #14 from H.J. Lu --- I couldn't tell what the problem is. I have no problem to configure GCC with /export/gnu/import/git/gcc/configure --enable-clocale=gnu --with-system-zlib --with-demangler-in-ld --enable-languages=c,c++ --prefix=/usr/local --enable-gnu-indirect-function --with-arch=native --with-cpu=native --with-fpmath=sse on a non-AVX machine with AVX binutils. x86_avx.cc was compiled with /export/build/gnu/gcc-native/build-x86_64-linux/./gcc/xg++ -B/export/build/gnu/gcc-native/build-x86_64-linux/./gcc/ -nostdinc++ -nostdinc++ -I/export/build/gnu/gcc-native/build-x86_64-linux/x86_64-unknown-linux-gnu/libstdc++-v3/include/x86_64-unknown-linux-gnu -I/export/build/gnu/gcc-native/build-x86_64-linux/x86_64-unknown-linux-gnu/libstdc++-v3/include -I/export/gnu/import/git/gcc/libstdc++-v3/libsupc++ -I/export/gnu/import/git/gcc/libstdc++-v3/include/backward -I/export/gnu/import/git/gcc/libstdc++-v3/testsuite/util -L/export/build/gnu/gcc-native/build-x86_64-linux/x86_64-unknown-linux-gnu/libstdc++-v3/src -L/export/build/gnu/gcc-native/build-x86_64-linux/x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs -L/export/build/gnu/gcc-native/build-x86_64-linux/x86_64-unknown-linux-gnu/libstdc++-v3/libsupc++/.libs -B/usr/local/x86_64-unknown-linux-gnu/bin/ -B/usr/local/x86_64-unknown-linux-gnu/lib/ -isystem /usr/local/x86_64-unknown-linux-gnu/include -isystem /usr/local/x86_64-unknown-linux-gnu/sys-include -DHAVE_CONFIG_H -I. -I/export/gnu/import/git/gcc/libitm -I/export/gnu/import/git/gcc/libitm/config/linux/x86 -I/export/gnu/import/git/gcc/libitm/config/linux -I/export/gnu/import/git/gcc/libitm/config/x86 -I/export/gnu/import/git/gcc/libitm/config/posix -I/export/gnu/import/git/gcc/libitm/config/generic -I/export/gnu/import/git/gcc/libitm -march=i486 -mtune=i686 -fomit-frame-pointer -mrtm -Wall -pthread -Werror -mavx -std=gnu++0x -funwind-tables -fno-exceptions -fno-rtti -fabi-version=4 -g -O2 -D_GNU_SOURCE -m32 -MT x86_avx.lo -MD -MP -MF .deps/x86_avx.Tpo -c /export/gnu/import/git/gcc/libitm/config/x86/x86_avx.cc -o x86_avx.o There is -mavx in CXXFLAGS. But it won't be used at run-time since my machine doesn't have AVX.