Use __linux__, as per https://gcc.gnu.org/bugzilla/show_bug.cgi?id=28314
** Bug watch added: GCC Bugzilla #28314 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28314 ** Changed in: gcc-4.9 (Ubuntu) Status: New => Won't Fix -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1349907 Title: gcc, powerpc with C++11 standard does not define __linux To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gcc-4.9/+bug/1349907/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs