ifeq ($(subdir),misc)
-headers += regdef.h fpregdef.h sys/regdef.h sys/fpregdef.h sys/asm.h sgidefs.h
+sysdep_headers += regdef.h fpregdef.h sys/regdef.h sys/fpregdef.h \
+ sys/asm.h sgidefs.h
endif
ifeq ($(subdir),setjmp)
sysdep_routines += setjmp_aux
endif
+
+ifeq ($(subdir),rt)
+librt-sysdep_routines += rt-sysdep
+endif
+
+ifeq ($(subdir),debug)
+CFLAGS-backtrace.c += -funwind-tables
+endif
+
+ifeq ($(subdir),csu)
+CPPFLAGS-crti.S += $(pic-ccflag)
+CPPFLAGS-crtn.S += $(pic-ccflag)
+endif
+
+ifeq ($(subdir),nptl)
+CPPFLAGS-pt-crti.S += $(pic-ccflag)
+CPPFLAGS-crtn.S += $(pic-ccflag)
+endif
+
+ASFLAGS-.os += $(pic-ccflag)