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Makefile: Assemble any .s files files found in SRC_DIRs

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Angus Gratton 2015-07-28 11:27:35 +10:00
parent 2440ba526a
commit 30877f4ef0
1 changed files with 10 additions and 2 deletions
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12
common.mk
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@ -199,11 +199,14 @@ COMPONENT_ARS =
define component_compile_rules
$(1)_OBJ_DIR = $(call lc,$(BUILD_DIR)$(1)/)
### determine source files and object files ###
$(1)_SRC_FILES ?= $$(foreach sdir,$$($(1)_SRC_DIR),$$(wildcard $$(sdir)/*.c)) $$($(1)_EXTRA_SRC_FILES)
$(1)_SRC_FILES ?= $$(foreach sdir,$$($(1)_SRC_DIR), \
$$(wildcard $$(sdir)/*.c) $$(wildcard $$(sdir)/*.s)) \
$$($(1)_EXTRA_SRC_FILES)
$(1)_REAL_SRC_FILES = $$(foreach sfile,$$($(1)_SRC_FILES),$$(realpath $$(sfile)))
$(1)_REAL_ROOT = $$(realpath $$($(1)_ROOT))
# patsubst here substitutes real component root path for the relative OBJ_DIR path, making things short again
$(1)_OBJ_FILES = $$(patsubst $$($(1)_REAL_ROOT)%.c,$$($(1)_OBJ_DIR)%.o,$$($(1)_REAL_SRC_FILES))
$(1)_OBJ_FILES_C = $$(patsubst $$($(1)_REAL_ROOT)%.c,$$($(1)_OBJ_DIR)%.o,$$($(1)_REAL_SRC_FILES))
$(1)_OBJ_FILES = $$(patsubst $$($(1)_REAL_ROOT)%.s,$$($(1)_OBJ_DIR)%.o,$$($(1)_OBJ_FILES_C))
# the last included makefile is our component's component.mk makefile (rebuild the component if it changes)
$(1)_MAKEFILE ?= $(lastword $(MAKEFILE_LIST))
@ -218,6 +221,11 @@ $$($(1)_OBJ_DIR)%.o: $$($(1)_REAL_ROOT)%.c $$($(1)_MAKEFILE) $(wildcard $(ROOT)*
$$($(1)_CC_ARGS) -c $$< -o $$@
$$($(1)_CC_ARGS) -MM -MT $$@ -MF $$(@:.o=.d) $$<
$$($(1)_OBJ_DIR)%.o: $$($(1)_REAL_ROOT)%.s $$($(1)_MAKEFILE) $(wildcard $(ROOT)*.mk) | $$($(1)_SRC_DIR)
$(vecho) "AS $$<"
$(Q) mkdir -p $$(dir $$@)
$$($(1)_CC_ARGS) -c $$< -o $$@
# the component is shown to depend on both obj and source files so we get a meaningful error message
# for missing explicitly named source files
$$($(1)_AR): $$($(1)_OBJ_FILES) $$($(1)_SRC_FILES)