http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53113
H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|WAITING |NEW Summary|Build fails in x86_avx.cc |Build fails in x86_avx.cc |if AVX disabled but |if AVX disabled by -mno-avx |supported by as (Solaris & |but supported by as |Linux) | --- Comment #19 from H.J. Lu <hjl.tools at gmail dot com> --- When -mno-avx is added to CXXFLAGS, x86_avx.cc failed to compile: /bin/sh ./libtool --tag=CXX --mode=compile /export/build/gnu/gcc-misc/build-x86_64-linux/./gcc/xg++ -B/export/build/gnu/gcc-misc/build-x86_64-linux/./gcc/ -nostdinc++ -nostdinc++ -I/export/build/gnu/gcc-misc/build-x86_64-linux/x86_64-unknown-linux-gnu/libstdc++-v3/include/x86_64-unknown-linux-gnu -I/export/build/gnu/gcc-misc/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-misc/build-x86_64-linux/x86_64-unknown-linux-gnu/libstdc++-v3/src -L/export/build/gnu/gcc-misc/build-x86_64-linux/x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs -L/export/build/gnu/gcc-misc/build-x86_64-linux/x86_64-unknown-linux-gnu/libstdc++-v3/libsupc++/.libs -B/usr/gcc-4.9.0/x86_64-unknown-linux-gnu/bin/ -B/usr/gcc-4.9.0/x86_64-unknown-linux-gnu/lib/ -isystem /usr/gcc-4.9.0/x86_64-unknown-linux-gnu/include -isystem /usr/gcc-4.9.0/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 -Werror -Wc,-pthread -mavx -std=gnu++0x -funwind-tables -fno-exceptions -fno-rtti -fabi-version=4 -g -mno-avx -D_GNU_SOURCE -m32 -MT x86_avx.lo -MD -MP -MF .deps/x86_avx.Tpo -c -o x86_avx.lo /export/gnu/import/git/gcc/libitm/config/x86/x86_avx.cc