make: translate using gettext, rather than the unmaintainable catgets

@@ -14,5 +14,10 @@
 MAKE_INCLUDE= $(SRC)/cmd/make/include
 $(RELEASE_BUILD)MAKE_DEFS += -DNDEBUG
 CFLAGS += $(CCVERBOSE)
 CPPFLAGS += -I$(MAKE_INCLUDE) $(MAKE_DEFS)
 
+# So that it's set even for the libraries we build
+TEXT_DOMAIN = SUNW_OST_OSCMD
+
+$(POFILE): $(POFILES)
+        $(CAT) $(POFILES) > $@