OVMS3-idf/components/esp32/component.mk

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#
# Component Makefile
#
# This Makefile should, at the very least, just include $(IDF_PATH)/make/component_common.mk. By default,
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# this will take the sources in this directory, compile them and link them into
# lib(subdirectory_name).a in the build directory. This behaviour is entirely configurable,
# please read the esp-idf build system document if you need to do this.
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#
-include $(PROJECT_PATH)/build/include/config/auto.conf
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COMPONENT_SRCDIRS := . hwcrypto
LIBS := crypto core net80211 phy rtc pp wpa smartconfig
LINKER_SCRIPTS += -T esp32_out.ld -T esp32.common.ld -T esp32.rom.ld -T esp32.peripherals.ld
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COMPONENT_ADD_LDFLAGS := -lesp32 \
$(abspath libhal.a) \
-L$(abspath lib) \
$(addprefix -l,$(LIBS)) \
-L $(abspath ld) \
$(LINKER_SCRIPTS)
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include $(IDF_PATH)/make/component_common.mk
ALL_LIB_FILES := $(patsubst %,$(COMPONENT_PATH)/lib/lib%.a,$(LIBS))
# automatically trigger a git submodule update
# if any libraries are missing
$(eval $(call SubmoduleCheck,$(ALL_LIB_FILES),$(COMPONENT_PATH)/lib))
# this is a hack to make sure the app is re-linked if the binary
# libraries change or are updated. If they change, the main esp32
# library will be rebuild by AR andthis will trigger a re-linking of
# the entire app.
#
# It would be better for components to be able to expose any of these
# non-standard dependencies via get_variable, but this will do for now.
$(COMPONENT_LIBRARY): $(ALL_LIB_FILES)
# Preprocess esp32.ld linker script into esp32_out.ld
#
# The library doesn't really depend on esp32_out.ld, but it
# saves us from having to add the target to a Makefile.projbuild
$(COMPONENT_LIBRARY): esp32_out.ld
esp32_out.ld: $(COMPONENT_PATH)/ld/esp32.ld ../include/sdkconfig.h
$(CC) -I ../include -C -P -x c -E $< -o $@
COMPONENT_EXTRA_CLEAN := esp32_out.ld