-CFLAGS = -g -Wall -O2 -fdollars-in-identifiers
-OS_SRC = bsd-os.c darwin-os.c ppc-darwin-os.c darwin-dlshim.c darwin-langinfo.c
+CFLAGS = -g -Wall -O2 -fdollars-in-identifiers -mmacosx-version-min=10.4
+LINKFLAGS += -mmacosx-version-min=10.4
+
+OS_SRC = bsd-os.c darwin-os.c ppc-darwin-os.c
+