OS_SRC = linux-os.c ppc-linux-os.c
OS_LIBS = -ldl
-GC_SRC = cheneygc.c
+ifdef LISP_FEATURE_GENCGC
+ GC_SRC = gencgc.c
+else
+ GC_SRC = cheneygc.c
+endif
+
+# Nothing to do for after-grovel-headers.
+.PHONY: after-grovel-headers
+after-grovel-headers: