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Dependencies: Rebuild component if its makefile changes, or if common.mk/local.mk changes

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Angus Gratton 2015-06-12 09:51:25 +10:00
parent f34e229bbc
commit f7c4b6d550
1 changed files with 5 additions and 2 deletions
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7
common.mk
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@ -157,13 +157,15 @@ $(1)_SRC_FILES ?= $$(foreach sdir,$$($(1)_SRC_DIR),$$(realpath $$(wildcard $$(sd
$(1)_REAL_ROOT = $$(realpath $$($(1)_ROOT)) $(1)_REAL_ROOT = $$(realpath $$($(1)_ROOT))
# patsubst here substitutes real paths for the relative OBJ_DIR path, making things short again # patsubst here substitutes real paths for the relative OBJ_DIR path, making things short again
$(1)_OBJ_FILES = $$(patsubst $$($(1)_REAL_ROOT)%.c,$$($(1)_OBJ_DIR)%.o,$$($(1)_SRC_FILES)) $(1)_OBJ_FILES = $$(patsubst $$($(1)_REAL_ROOT)%.c,$$($(1)_OBJ_DIR)%.o,$$($(1)_SRC_FILES))
# the last included makefile is our component's component.mk makefile (rebuild the component if it changes)
$(1)_MAKEFILE ?= $(lastword $(MAKEFILE_LIST))
### determine compiler arguments ### ### determine compiler arguments ###
$(1)_CFLAGS ?= $(CFLAGS) $(1)_CFLAGS ?= $(CFLAGS)
$(1)_CC_ARGS = $(Q) $(CC) $$(addprefix -I,$$(INC_DIRS)) $$(addprefix -I,$$($(1)_INC_DIR)) $$($(1)_CFLAGS) $(1)_CC_ARGS = $(Q) $(CC) $$(addprefix -I,$$(INC_DIRS)) $$(addprefix -I,$$($(1)_INC_DIR)) $$($(1)_CFLAGS)
$(1)_AR = $(call lc,$(BUILD_DIR)$(1).a) $(1)_AR = $(call lc,$(BUILD_DIR)$(1).a)
$$($(1)_OBJ_DIR)%.o: $$($(1)_REAL_ROOT)%.c | $$($(1)_SRC_DIR) $$($(1)_OBJ_DIR)%.o: $$($(1)_REAL_ROOT)%.c $$($(1)_MAKEFILE) $(wildcard $(ROOT)*.mk) | $$($(1)_SRC_DIR)
$(vecho) "CC $$<" $(vecho) "CC $$<"
$(Q) mkdir -p $$(dir $$@) $(Q) mkdir -p $$(dir $$@)
$$($(1)_CC_ARGS) -c $$< -o $$@ $$($(1)_CC_ARGS) -c $$< -o $$@
@ -213,10 +215,11 @@ $(BUILD_DIR)sdklib/allsymbols.rename: $(patsubst %.a,%.rename,$(SDK_PROCESSED_LI
# include "dummy component" for the 'target' object files # include "dummy component" for the 'target' object files
TARGET_SRC_DIR ?= $(TARGET_DIR) TARGET_SRC_DIR ?= $(TARGET_DIR)
TARGET_ROOT ?= $(TARGET_DIR) TARGET_ROOT ?= $(TARGET_DIR)
TARGET_MAKEFILE = $(firstword $(MAKEFILE_LIST))
$(eval $(call component_compile_rules,TARGET)) $(eval $(call component_compile_rules,TARGET))
## Include other components (this is where the actual compiler sections are generated) ## Include other components (this is where the actual compiler sections are generated)
$(foreach component,$(COMPONENTS), $(eval include $(ROOT)/$(component)/component.mk)) $(foreach component,$(COMPONENTS), $(eval include $(ROOT)$(component)/component.mk))
# final linking step to produce .elf # final linking step to produce .elf
$(TARGET_OUT): $(COMPONENT_ARS) $(SDK_PROCESSED_LIBS) $(LINKER_SCRIPTS) $(TARGET_OUT): $(COMPONENT_ARS) $(SDK_PROCESSED_LIBS) $(LINKER_SCRIPTS)