Use gcc auto-dependency information for lwlib and oldXMenu

* configure.ac (lwlib_deps_frag, oldxmenu_deps_frag): New output files.

* make-dist (lwlib, oldXMenu): Distribute *.mk.

* lwlib/Makefile.in: Move old dependency information to new file deps.mk.
(MKDIR_P, DEPFLAGS, MKDEPDIR, lwlib_deps_frag):
New, set by configure.
(DEPDIR): New variable.
(ALL_CFLAGS): Add DEPFLAGS.
(.c.o): Add MKDEPDIR.
(clean, mostlyclean): Delete DEPDIR.

* lwlib/deps.mk, lwlib/autodeps.mk: New files.

* oldXMenu/Makefile.in: Move old dependency information to new file deps.mk.
(MKDIR_P, DEPFLAGS, MKDEPDIR, oldxmenu_deps_frag):
New, set by configure.
(DEPDIR): New variable.
(ALL_CFLAGS): Add DEPFLAGS.
(.c.o): Add MKDEPDIR.
(clean, mostlyclean): Delete DEPDIR.

* oldXMenu/deps.mk, oldXMenu/autodeps.mk: New files.

* src/deps.mk: Comment update.

* .bzrignore: Ignore lwlib/deps, oldXMenu/deps.

1 files changed, 14 insertions, 33 deletions

diff --git a/oldXMenu/Makefile.in b/oldXMenu/Makefile.in
index 91b313ac627..bfa7d97912a 100644
--- a/oldXMenu/Makefile.in
+++ b/oldXMenu/Makefile.in
@@ -63,6 +63,7 @@ RM = rm -f
 RANLIB = @RANLIB@
 AR = @AR@
 ARFLAGS = @ARFLAGS@
+MKDIR_P = @MKDIR_P@
 
 OBJS =  Activate.o \
 	AddPane.o \
@@ -92,13 +93,20 @@ OBJS =  Activate.o \
 all: libXMenu11.a
 .PHONY: all
 
+DEPDIR = deps
+## -MMD -MF $(DEPDIR)/$*.d if AUTO_DEPEND; else empty.
+DEPFLAGS = @DEPFLAGS@
+## ${MKDIR_P} ${DEPDIR} (if AUTO_DEPEND); else ':'.
+MKDEPDIR = @MKDEPDIR@
+
 ALL_CFLAGS=$(C_SWITCH_SYSTEM) $(C_SWITCH_MACHINE) \
-  $(C_SWITCH_X_SITE) \
+  $(C_SWITCH_X_SITE) $(DEPFLAGS) \
   $(WARN_CFLAGS) $(WERROR_CFLAGS) ${PROFILING_CFLAGS} \
   $(CPPFLAGS) $(CFLAGS) -DEMACS_BITMAP_FILES \
   -I../src -I../lib -I${srcdir} -I${srcdir}/../src -I${srcdir}/../lib
 
 .c.o:
+	@$(MKDEPDIR)
 	$(CC) -c ${ALL_CFLAGS} $<
 
 libXMenu11.a: $(OBJS) $(EXTRA)
@@ -106,42 +114,14 @@ libXMenu11.a: $(OBJS) $(EXTRA)
 	$(AR) $(ARFLAGS) $@ $(OBJS) $(EXTRA)
 	$(RANLIB) $@
 
-Activate.o: Activate.c XMenuInt.h XMenu.h X10.h
-AddPane.o: AddPane.c XMenuInt.h XMenu.h X10.h
-AddSel.o: AddSel.c XMenuInt.h XMenu.h X10.h
-ChgPane.o: ChgPane.c XMenuInt.h XMenu.h X10.h
-ChgSel.o: ChgSel.c XMenuInt.h XMenu.h X10.h
-Create.o: Create.c XMenuInt.h XMenu.h X10.h
-DelPane.o: DelPane.c XMenuInt.h XMenu.h X10.h
-DelSel.o: DelSel.c XMenuInt.h XMenu.h X10.h
-Destroy.o: Destroy.c XMenuInt.h XMenu.h X10.h
-Error.o: Error.c XMenuInt.h XMenu.h X10.h
-EvHand.o: EvHand.c XMenuInt.h XMenu.h X10.h
-FindPane.o: FindPane.c XMenuInt.h XMenu.h X10.h
-FindSel.o: FindSel.c XMenuInt.h XMenu.h X10.h
-InsPane.o: InsPane.c XMenuInt.h XMenu.h X10.h
-InsSel.o: InsSel.c XMenuInt.h XMenu.h X10.h
-Internal.o: Internal.c XMenuInt.h XMenu.h X10.h
-Locate.o: Locate.c XMenuInt.h XMenu.h X10.h
-Post.o: Post.c XMenuInt.h XMenu.h X10.h
-Recomp.o: Recomp.c XMenuInt.h XMenu.h X10.h
-SetAEQ.o: SetAEQ.c XMenuInt.h XMenu.h X10.h
-SetFrz.o: SetFrz.c XMenuInt.h XMenu.h X10.h
-SetPane.o: SetPane.c XMenuInt.h XMenu.h X10.h
-SetSel.o: SetSel.c XMenuInt.h XMenu.h X10.h
-XDelAssoc.o: XDelAssoc.c X10.h
-XLookAssoc.o: XLookAssoc.c X10.h
-XCrAssoc.o: XCrAssoc.c X10.h
-XDestAssoc.o: XDestAssoc.c X10.h
-XMakeAssoc.o: XMakeAssoc.c X10.h
-insque.o: insque.c
+## Insert either autodeps.mk (if AUTO_DEPEND), else deps.mk.
+@oldxmenu_deps_frag@
 
 .PHONY: mostlyclean clean distclean bootstrap-clean maintainer-clean
 
-mostlyclean:
+clean mostlyclean:
 	rm -f libXMenu11.a ${OBJS} ${EXTRA}
-
-clean: mostlyclean
+	-rm -rf ${DEPDIR}
 
 bootstrap-clean maintainer-clean distclean: clean
 	rm -f Makefile
@@ -150,3 +130,4 @@ bootstrap-clean maintainer-clean distclean: clean
 tags:
 	$(TAGS) -t *.[ch]
 
+### Makefile.in ends here