Make all build results depend on all makefiles

This makes incremental builds work when the only change is to a
definition in a makefile.

Fixes arm-software/tf-issues#551

Signed-off-by: Stephen Warren <swarren@nvidia.com>

diff --git a/make_helpers/build_macros.mk b/make_helpers/build_macros.mk
index 0d2cf1063aebe55ec7665abf3e44d71a2b68c717..9119dcd2118bddf9fda1adebfaf0f80ddd5938b3 100644 (file)
--- a/make_helpers/build_macros.mk
+++ b/make_helpers/build_macros.mk
@@ -199,7 +199,7 @@ $(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2))))
 $(eval DEP := $(patsubst %.o,%.d,$(OBJ)))
 $(eval IMAGE := IMAGE_BL$(call uppercase,$(3)))
 
-$(OBJ): $(2) | bl$(3)_dirs
+$(OBJ): $(2) $(MAKEFILE_LIST) | bl$(3)_dirs
        @echo "  CC      $$<"
        $$(Q)$$(CC) $$(TF_CFLAGS) $$(CFLAGS) -D$(IMAGE) $(MAKE_DEP) -c $$< -o $$@
 
@@ -218,7 +218,7 @@ $(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2))))
 $(eval DEP := $(patsubst %.o,%.d,$(OBJ)))
 $(eval IMAGE := IMAGE_BL$(call uppercase,$(3)))
 
-$(OBJ): $(2) | bl$(3)_dirs
+$(OBJ): $(2) $(MAKEFILE_LIST) | bl$(3)_dirs
        @echo "  AS      $$<"
        $$(Q)$$(AS) $$(ASFLAGS) -D$(IMAGE) $(MAKE_DEP) -c $$< -o $$@
 
@@ -235,7 +235,7 @@ define MAKE_LD
 
 $(eval DEP := $(1).d)
 
-$(1): $(2) | bl$(3)_dirs
+$(1): $(2) $(MAKEFILE_LIST) | bl$(3)_dirs
        @echo "  PP      $$<"
        $$(Q)$$(CPP) $$(CPPFLAGS) -P -D__ASSEMBLY__ -D__LINKER__ $(MAKE_DEP) -o $$@ $$<
 
@@ -372,7 +372,7 @@ define MAKE_DTB
 $(eval DOBJ := $(1)/$(patsubst %.dts,%.dtb,$(notdir $(2))))
 $(eval DEP := $(patsubst %.dtb,%.d,$(DOBJ)))
 
-$(DOBJ): $(2) | fdt_dirs
+$(DOBJ): $(2) $(MAKEFILE_LIST) | fdt_dirs
        @echo "  DTC      $$<"
        $$(Q)$$(DTC) $$(DTC_FLAGS) -d $(DEP) -o $$@ $$<