[coreboot] [commit] r6456 - trunk

repository service svn at coreboot.org
Sun Mar 20 20:34:06 CET 2011

Author: svens
Date: Sun Mar 20 20:34:05 2011
New Revision: 6456
URL: https://tracker.coreboot.org/trac/coreboot/changeset/6456

BUILD: add -MMD to iasl cpp call

Right now there are no dependency rules for compiling dsdt.asl.
If ACPI code includes asl files, the dsdt isn't recompiled if any
of those file is changed. Add the flags to the preprocessor call
to have it generate the neccessary dependency rule.

Signed-off-by: Sven Schnelle <svens at stackframe.org>
Acked-by: Peter Stuge <peter at stuge.se>


Modified: trunk/Makefile.inc
--- trunk/Makefile.inc	Fri Mar 18 23:53:38 2011	(r6455)
+++ trunk/Makefile.inc	Sun Mar 20 20:34:05 2011	(r6456)
@@ -63,7 +63,7 @@
 define ramstage-objs_asl_template
 $(obj)/$(1).ramstage.o: src/$(1).asl
 	@printf "    IASL       $$(subst $(top)/,,$$(@))\n"
-	$(CPP) -D__ACPI__ -P -include $(abspath $(obj)/config.h) -I$(src) -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $$(basename $$@).asl
+	$(CPP) -MMD -MT $$(@) -D__ACPI__ -P -include $(abspath $(obj)/config.h) -I$(src) -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $$(basename $$@).asl
 	iasl -p $$(obj)/$(1) -tc $$(basename $$@).asl
 	mv $$(obj)/$(1).hex $$(basename $$@).c
 	$(CC) $$(CFLAGS) $$(if $$(subst dsdt,,$$(basename $$(notdir $(1)))), -DAmlCode=AmlCode_$$(basename $$(notdir $(1)))) -c -o $$@ $$(basename $$@).c

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