sysdeps/unix/sysv/linux/x86_64/Makefile

   1 32bit-predefine = __i386__
   2 64bit-predefine = __x86_64__
   3
   4 ifeq ($(subdir),misc)
   5 sysdep_routines += ioperm iopl
   6 sysdep_headers += sys/perm.h sys/reg.h sys/debugreg.h sys/io.h
   7 endif
   8
   9 ifeq ($(subdir),stdlib)
  10 sysdep_routines += __start_context
  11 endif
  12
  13 ifeq ($(subdir),csu)
  14 gen-as-const-headers += ucontext_i.sym
  15 endif