a752c7ab
 elopes
add first test an...
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ifeq (, $(__RIOTBUILD_FLAG))
$(error You cannot build a module on its own. Use "make" in your application's directory instead.)
endif
unexport DIRS
DIRS := $(sort $(abspath ${DIRS}))
MODULE ?= $(shell basename $(CURDIR))
.PHONY: all ${DIRS:%=ALL--%} ${DIRS:%=CLEAN--%}
all: $(BINDIR)/$(MODULE).a ..nothing
..nothing:
@:
clean:: ${DIRS:%=CLEAN--%}
${DIRS:%=ALL--%}:
$(QQ)"$(MAKE)" -C ${@:ALL--%=%}
${DIRS:%=CLEAN--%}:
$(QQ)"$(MAKE)" -C ${@:CLEAN--%=%} clean
## submodules
ifeq (1, $(SUBMODULES))
# don't use *.c as SRC if SRC is empty (e.g., no module selected)
NO_AUTO_SRC := 1
# allow different submodule basename (e.g., MODULE=cpu_periph_common, but match just periph_%)
BASE_MODULE ?= $(MODULE)
# for each $(BASE_MODULE)_<name> in USEMODULE, add <name>.c to SRC
SRC += $(patsubst $(BASE_MODULE)_%,%.c,$(filter $(BASE_MODULE)_%,$(USEMODULE)))
# don't fail if a selected *.c file does not exist
ifeq (1, $(SUBMODULES_NOFORCE))
SRC := $(filter $(SRC), $(wildcard *.c))
endif
endif
ifeq ($(strip $(SRC))$(NO_AUTO_SRC),)
SRC := $(filter-out $(SRC_NOLTO), $(wildcard *.c))
endif
ifeq ($(strip $(SRCXX))$(NO_AUTO_SRC),)
SRCXX := $(wildcard *.cpp)
endif
ifeq ($(strip $(ASMSRC))$(NO_AUTO_SRC),)
ASMSRC := $(wildcard *.s)
endif
ifeq ($(strip $(ASSMSRC))$(NO_AUTO_SRC),)
ASSMSRC := $(wildcard *.S)
endif
OBJC_LTO := $(SRC:%.c=$(BINDIR)/$(MODULE)/%.o)
OBJC_NOLTO := $(SRC_NOLTO:%.c=$(BINDIR)/$(MODULE)/%.o)
OBJC := $(OBJC_NOLTO) $(OBJC_LTO)
OBJCXX := $(SRCXX:%.cpp=$(BINDIR)/$(MODULE)/%.o)
ASMOBJ := $(ASMSRC:%.s=$(BINDIR)/$(MODULE)/%.o)
ASSMOBJ := $(ASSMSRC:%.S=$(BINDIR)/$(MODULE)/%.o)
OBJ := $(OBJC) $(OBJCXX) $(ASMOBJ) $(ASSMOBJ)
DEP := $(OBJC:.o=.d) $(OBJCXX:.o=.d) $(ASSMOBJ:.o=.d)
$(BINDIR)/$(MODULE)/:
$(Q)mkdir -p $@
$(BINDIR)/$(MODULE).a $(OBJ): | $(BINDIR)/$(MODULE)/
$(BINDIR)/$(MODULE).a: $(OBJ) | ${DIRS:%=ALL--%}
$(Q)$(AR) $(ARFLAGS) $@ $?
CXXFLAGS = $(filter-out $(CXXUWFLAGS), $(CFLAGS)) $(CXXEXFLAGS)
CCASFLAGS = $(filter-out $(CCASUWFLAGS), $(CFLAGS)) $(CCASEXFLAGS)
# compile and generate dependency info
$(OBJC_LTO): CFLAGS+=$(LTOFLAGS)
$(OBJC): $(BINDIR)/$(MODULE)/%.o: %.c $(RIOTBUILD_CONFIG_HEADER_C)
$(Q)$(CCACHE) $(CC) \
-DRIOT_FILE_RELATIVE=\"$(patsubst $(RIOTBASE)/%,%,$(abspath $<))\" \
-DRIOT_FILE_NOPATH=\"$(notdir $<)\" \
$(CFLAGS) $(INCLUDES) -MD -MP -c -o $@ $(abspath $<)
$(OBJCXX): $(BINDIR)/$(MODULE)/%.o: %.cpp $(RIOTBUILD_CONFIG_HEADER_C)
$(Q)$(CCACHE) $(CXX) \
-DRIOT_FILE_RELATIVE=\"$(patsubst $(RIOTBASE)/%,%,$(abspath $<))\" \
-DRIOT_FILE_NOPATH=\"$(notdir $<)\" \
$(CXXFLAGS) $(CXXINCLUDES) $(INCLUDES) -MD -MP -c -o $@ $(abspath $<)
$(ASMOBJ): $(BINDIR)/$(MODULE)/%.o: %.s
$(Q)$(AS) $(ASFLAGS) -o $@ $(abspath $<)
$(ASSMOBJ): $(BINDIR)/$(MODULE)/%.o: %.S
$(Q)$(CCAS) $(CCASFLAGS) $(INCLUDES) -MD -MP -c -o $@ $(abspath $<)
# pull in dependency info for *existing* .o files
# deleted header files will be silently ignored
-include $(DEP)
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