On Fri, Jan 25, 2013 at 8:17 PM, leif <not.rea...@online.de> wrote: > Does this include building R with '-O3'? ;-) > > [For me, R keeps segfaulting while byte-compiling when built with FSF GCC > 4.6.y (IIRC, not that sure right now) and (definitely) 4.7.x, on x86/x86_64 > at least. '-O2' in contrast works, as does adding '-flto'.] >
I believe you can build R with GCC 4.7 with "almost" -O3, you have to do "-O3 -fno-ipa-cp-clone", then the segfaults are gone for me. I'm building R alone with: "-O3 -fno-ipa-cp-clone -march=corei7-avx -mtune=corei7-avx" and it does wonders when built with ATLAS and those CFLAGS. Andrzej. -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To post to this group, send email to sage-devel@googlegroups.com. To unsubscribe from this group, send email to sage-devel+unsubscr...@googlegroups.com. Visit this group at http://groups.google.com/group/sage-devel?hl=en.
