32bit-predefine = __i386__
64bit-predefine = __x86_64__

ifeq ($(subdir),misc)
sysdep_routines += ioperm iopl
sysdep_headers += sys/perm.h sys/reg.h sys/debugreg.h sys/io.h
endif

ifeq ($(subdir),stdlib)
sysdep_routines += __start_context
endif

ifeq ($(subdir),csu)
gen-as-const-headers += ucontext_i.sym
endif

ifeq ($(subdir),elf)
sysdep_routines += dl-vdso
endif