Bug 314958 - Separate out the tier_% target so I can built export_tier_% and libs_tier_% separately, with fixed makefile dependencies, r=cls

Makefile.in

@@ -44,6 +44,8 @@ include $(DEPTH)/config/autoconf.mk
 
 include $(topsrcdir)/build/unix/modules.mk
 
+include $(topsrcdir)/config/config.mk
+
 ifeq (,$(filter-out all,$(BUILD_MODULES))$(MOZ_XSLT_STANDALONE))
 #
 # And now for something completely different...
@@ -494,42 +496,48 @@ ifdef MOZ_LDAP_XPCOM
 endif
 
 # Map mozilla targets to standard automake target
-ifdef MOZ_ENABLE_LIBXUL
-tier_50: $(addsuffix /Makefile, $(filter-out $(STATIC_MAKEFILES), $($@_dirs)))
-	@echo "tier_50: $(tier_50_dirs)"
+
+export_tier_%:
+	@echo "$@"
+	@$(MAKE) $(addsuffix /Makefile,$(filter-out $(STATIC_MAKEFILES),$(tier_$*_dirs)))
 	@$(EXIT_ON_ERROR) \
-	for d in $(tier_50_dirs); do \
-	    $(UPDATE_TITLE) \
-	    if test ! -f $$d/Makefile; then \
-	      $(PERL) $(AUTOCONF_TOOLS)/make-makefile -t $(topsrcdir) -d $(DEPTH) $(CYGWIN_TOPSRCDIR) $$d/Makefile; \
-	    fi; \
-	    $(MAKE) -C $$d export; \
-	done ; \
-	for d in $(tier_50_dirs); do \
-	    $(UPDATE_TITLE) \
-	    $(MAKE) -C $$d libs; \
+	for d in $(tier_$*_dirs); do \
+	  $(UPDATE_TITLE) \
+	  $(MAKE) -C $$d export; \
 	done
-	@echo "Building tools from tier 2/9/50"
+
+libs_tier_%:
+	@echo "$@"
+	@$(MAKE) $(addsuffix /Makefile,$(filter-out $(STATIC_MAKEFILES),$(tier_$*_dirs)))
 	@$(EXIT_ON_ERROR) \
-	for d in $(tier_2_dirs) $(tier_9_dirs) $(tier_50_dirs); do \
-	    $(UPDATE_TITLE) \
-	    $(MAKE) -C $$d tools; \
-	done;
+	for d in $(tier_$*_dirs); do \
+	  $(UPDATE_TITLE) \
+	  $(MAKE) -C $$d libs; \
+	done
+
+tools_tier_%:
+	@echo "$@"
+	@$(MAKE) $(addsuffix /Makefile,$(filter-out $(STATIC_MAKEFILES),$(tier_$*_dirs)))
+	@$(EXIT_ON_ERROR) \
+	for d in $(tier_$*_dirs); do \
+	  $(UPDATE_TITLE) \
+	  $(MAKE) -C $$d tools; \
+	done
+
+ifdef MOZ_ENABLE_LIBXUL
+tier_50:
+	@echo "$@: $($@_dirs)"
+	$(MAKE) export_tier_50
+	$(MAKE) libs_tier_50
+	$(MAKE) tools_tier_2
+	$(MAKE) tools_tier_9
+	$(MAKE) tools_tier_50
 endif
 
 tier_%:
 	@echo "$@: $($@_dirs)"
-	@$(EXIT_ON_ERROR) \
-	  for d in $($@_dirs); do \
-	    $(UPDATE_TITLE) \
-	    if test ! -f $$d/Makefile; then \
-	      $(PERL) $(AUTOCONF_TOOLS)/make-makefile -t $(topsrcdir) -d $(DEPTH) $(CYGWIN_TOPSRCDIR) $$d/Makefile; \
-	    fi; \
-	    $(MAKE) -C $$d export; \
-	  done ; \
-	  for d in $($@_dirs); do $(UPDATE_TITLE) \
-	    $(MAKE) -C $$d libs; \
-	  done
+	$(MAKE) export_$@
+	$(MAKE) libs_$@
 
 #
 # Individual modules