https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115907
--- Comment #52 from cqwrteur <unlvsur at live dot com> --- (In reply to Andrew Pinski from comment #47) > Apple provides different sysroots for each (major) version of their OS to > solve this issue. This is NOT a GCC issue nor this is a glibc issue. You can > buld gcc against majority of old sysroot just fine. I have built against the > trunk of gcc against a centos 6 sysroot before (actually I have built on the > trunk after it started to require C++11 on a centos 6 machine too). Apple? No wonder why apple bs cannot take over windows because only Microsoft does this right