esp-idf/components/esp32/Makefile

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#
# Component Makefile
#
# This Makefile should, at the very least, just include $(IDF_PATH)/make/component.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 $(PROJECT_PATH)/build/include/config/auto.conf
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LIBS := crypto core net80211 phy rtc pp wpa wps
ifeq ($(CONFIG_MEMMAP_BT),y)
ifeq ($(CONFIG_MEMMAP_TRACEMEM),y)
LINKER_SCRIPTS = -T esp32.bt.trace.ld
else
LINKER_SCRIPTS = -T esp32.bt.ld
endif
else
ifeq ($(CONFIG_MEMMAP_TRACEMEM),y)
LINKER_SCRIPTS = -T esp32.trace.ld
else
LINKER_SCRIPTS = -T esp32.ld
endif
endif
LINKER_SCRIPTS += -T esp32.common.ld -T esp32.rom.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.mk
ALL_LIB_FILES := $(patsubst %,$(COMPONENT_PATH)/lib/lib%.a,$(LIBS))
# The binary libraries are in a git submodule, so this target will
# be invoked if any modules are missing (probably because
# git submodule update --init needs to be run).
$(ALL_LIB_FILES):
$(Q) [ -d ${IDF_PATH}/.git ] || ( @echo "ERROR: Missing libraries in esp32 component. esp-idf must be cloned from git to work."; exit 1 )
$(Q) [ -x $(which git) ] || ( @echo "ERROR: Missing libraries in esp32 component. Need to run 'git submodule update --init' in esp-idf root directory."; exit 1 )
@echo "Warning: Missing libraries in components/esp32/lib/ submodule. Going to try running 'git submodule update --init' in esp-idf root directory..."
cd ${IDF_PATH} && git submodule update --init
# 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)