ifeq ($(subdir),misc) sysdep_routines += ioperm sysdep_headers += sys/io.h endif ifeq ($(subdir),debug) gen-as-const-headers += signal-defines.sym endif ifeq ($(subdir),setjmp) gen-as-const-headers += signal-defines.sym endif ifeq ($(subdir),stdlib) gen-as-const-headers += ucontext_i.sym endif