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      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