http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59445
--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to Jack Howarth from comment #4) > (In reply to Jack Howarth from comment #3) > > /sw/src/fink.build/gcc49-4.9.0-1000/darwin_objdir/./gcc/jc1 > > /var/tmp//ccSlyCZfjx -fhash-synchronization -fuse-divide-subroutine > > -fcheck-references -fuse-boehm-gc -fnon-call-exceptions > > -fkeep-inline-functions -fPIC -feliminate-unused-debug-symbols -quiet > > -dumpbase ccSlyCZfjx -mmacosx-version-min=10.8.5 -m32 -mtune=generic > > -auxbase-strip java/awt/.libs/image.o -g -O2 -Wno-deprecated -version > > -ffilelist-file -ffloat-store -fomit-frame-pointer -fencoding=UTF-8 > > -fbootstrap-classes > > -fsource-filename=/sw/src/fink.build/gcc49-4.9.0-1000/darwin_objdir/x86_64- > > apple-darwin12.5.0/i386/libjava/classpath/lib/classes -fno-common > > -fbootclasspath=./:../../../../gcc-4.9-20131210/libjava/classpath/lib/ > > -faux-classpath ccSlyCZfjx.zip -MD_ -MT java/awt/image.lo -MF > > java/awt/image.deps -o ccSlyCZfjx.s > > opps, that actually was -mtune=core2 but -mtune=generic also segfaults jc1. What is the equivalent of -march=?