1 1.1 mrg # The pushl in CTOR initialization interferes with frame pointer elimination. 2 1.1 mrg # crtend*.o cannot be compiled without -fno-asynchronous-unwind-tables, 3 1.1 mrg # because then __FRAME_END__ might not be the last thing in .eh_frame 4 1.1 mrg # section. -fno-asynchronous-unwind-tables is off by default for i386 5 1.1 mrg # and is on by default for x86-64. We turn it off for both i386 and 6 1.1 mrg # x86-64. 7 1.1 mrg CRTSTUFF_T_CFLAGS += -fno-omit-frame-pointer -fno-asynchronous-unwind-tables 8