X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ian/git?a=blobdiff_plain;f=subdirmk%2Fregen.mk.in;h=2661ee18758ece403ce046528f5cc5e6fc0f8ddd;hb=5c370689670a4401baa5bb111f136d6ec82d0547;hp=c0278c097de1fb0ea1613f6d46a7034dd8348959;hpb=25e5b2717de3a65672c61b3b8da02015c33fcac2;p=subdirmk.git

diff --git a/subdirmk/regen.mk.in b/subdirmk/regen.mk.in
index c0278c0..2661ee1 100644
--- a/subdirmk/regen.mk.in
+++ b/subdirmk/regen.mk.in
@@ -3,19 +3,35 @@ CONFIGURE	?= configure
 CONFIGURE_AC 	?= $(CONFIGURE).ac
 CONFIG_STATUS 	?= config.status
 
-$(top_srcdir)/$(CONFIGURE): $(top_srcdir)/$(CONFIGURE_AC)
-	cd &^ && autoconf
+CONFIGURE_ACS 	+= $(CONFIGURE_AC)
+CONFIGURE_ACS 	+= subdirmk/subdirmk.ac
+
+$(top_srcdir)/$(CONFIGURE): $(addprefix $(top_srcdir)/,$(CONFIGURE_ACS))
+	cd $(top_srcdir) && autoconf
 
 $(CONFIG_STATUS): $(top_srcdir)/$(CONFIGURE)
 	./$(CONFIG_STATUS) --recheck
 
 MAKEFILES += subdirmk/regen.mk
 
-main.mk $(MAKFILES): makefiles.phantom
-.INTERMEDIATE: makefiles.phantom
-makefiles.phantom: 						\
+main.mk $(MAKEFILES): .config.status.needed
+	./$<
+.INTERMEDIATE: .config.status.needed
+.config.status.needed: 						\
 		$(top_srcdir)/subdirmk/generate			\
 		$(CONFIG_STATUS)				\
 		$(top_srcdir)/Perdir.mk.in			\
 		$(foreach m,$(MAKEFILES),$(top_srcdir)/$(m).in)
-	./$(CONFIG_STATUS)
+	: $?
+	set -e; printf >$@.tmp "#!/bin/sh\nset -e\n%s %s"	\
+		"./$(CONFIG_STATUS)"				\
+		"$(if	$(filter-out %.mk.in, $?),,		\
+			$(patsubst %.mk.in,%.mk,$?))"	;	\
+		chmod +x $@.tmp; mv -f $@.tmp $@
+
+realclean:: clean
+	$(RM) config.status config.log
+	$(RM) main.mk subdirmk/regen.mk $(MAKEFILES)
+	$(RM) $(addsuffix Makefile,$(dir $(MAKEFILES)))
+
+-include $(ALL_DEPFILES)