X-Git-Url: http://git.osdn.jp/view?a=blobdiff_plain;f=make%2Finclude%2Fbase.rules;h=4d9e5ce4f837a7bf7b5faff38c961c2d3280f77a;hb=ce5ed36e140b4ae5aed7edd22e0adc4fa21aea24;hp=fd90d7769f9851a08b27378fc475c8cbd3ae2534;hpb=c8d428d055c84eb606b2d3e946bb8d192a891e00;p=handbrake-jp%2Fhandbrake-jp-git.git

diff --git a/make/include/base.rules b/make/include/base.rules
index fd90d776..4d9e5ce4 100644
--- a/make/include/base.rules
+++ b/make/include/base.rules
@@ -1,4 +1,5 @@
-.PHONY: report.main report.gcc report.modules report.var report.true
+.PHONY: report.main report.gcc report.modules report.var report.true report.help
+.PHONY: shell.run
 
 report.modules::
 
@@ -14,3 +15,27 @@ report.var:
 ## needed for nested make (which drives each report)
 report.true:
 	@true
+
+## linefeed is important
+define REPORT.help.item.global
+	@echo 'report.$(1)' | awk '{ printf("  %-21s  $(REPORT.help.$(1))\n", $$0) }'
+
+endef
+define REPORT.help.item.module
+	@echo '$($(1).name).report' | awk '{ printf("  %-21s  $(1)-scoped vars\n", $$0) }'
+
+endef
+
+REPORT.help.main = global general vars
+REPORT.help.gcc  = global gcc vars (inherited by module GCC)
+REPORT.help.var  = usage: make report.var name=VARNAME
+
+report.help:
+	@echo "  AVAILABLE MAKEFILE VARS REPORTS"
+	@echo "  ----------------------------------------------------------------"
+	$(foreach n,main gcc var,$(call REPORT.help.item.global,$n))
+	$(foreach n,$(MODULES.NAMES),$(call REPORT.help.item.module,$n))
+
+## diagnostic aid when troubleshooting build issues
+shell.run:
+	$(command)