esp-idf/components/mbedtls/component.mk

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2016-08-05 02:39:38 -04:00
#
# Component Makefile
#
COMPONENT_ADD_INCLUDEDIRS := port/include mbedtls/include esp_crt_bundle/include
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COMPONENT_SRCDIRS := mbedtls/library port port/$(IDF_TARGET) esp_crt_bundle
COMPONENT_OBJEXCLUDE := mbedtls/library/net_sockets.o
COMPONENT_SUBMODULES += mbedtls
# Note: some mbedTLS hardware acceleration can be enabled/disabled by config.
#
# We don't need to exclude aes.o as these functions use a different prefix (esp_aes_x) and the
# config option only changes the prefixes in the header so mbedtls_aes_x compiles to esp_aes_x
#
# The other port-specific files don't override internal mbedTLS functions, they just add new functions.
ifndef CONFIG_MBEDTLS_HARDWARE_MPI
COMPONENT_OBJEXCLUDE += port/esp_bignum.o port/$(IDF_TARGET)/bignum.o
endif
ifndef CONFIG_MBEDTLS_HARDWARE_SHA
COMPONENT_OBJEXCLUDE += port/$(IDF_TARGET)/esp_sha1.o port/$(IDF_TARGET)/esp_sha256.o port/$(IDF_TARGET)/esp_sha512.o
endif
ifdef CONFIG_MBEDTLS_CERTIFICATE_BUNDLE
GEN_CRT_BUNDLEPY := $(PYTHON) $(COMPONENT_PATH)/esp_crt_bundle/gen_crt_bundle.py
DEFAULT_CRT_DIR := ${COMPONENT_PATH}/esp_crt_bundle
X509_CERTIFICATE_BUNDLE := $(abspath x509_crt_bundle)
CUSTOM_BUNDLE_PATH := $(PROJECT_PATH)/$(CONFIG_MBEDTLS_CUSTOM_CERTIFICATE_BUNDLE_PATH)
ifdef CONFIG_MBEDTLS_CUSTOM_CERTIFICATE_BUNDLE
CRT_PATHS += $(CUSTOM_BUNDLE_PATH)
endif
ifdef CONFIG_MBEDTLS_CERTIFICATE_BUNDLE_DEFAULT_FULL
CRT_PATHS += ${DEFAULT_CRT_DIR}/cacrt_all.pem
endif
ifdef CONFIG_MBEDTLS_CERTIFICATE_BUNDLE_DEFAULT_CMN
CRT_PATHS += ${DEFAULT_CRT_DIR}/cacrt_all.pem
ARGS += --filter ${DEFAULT_CRT_DIR}/cmn_crt_authorities.csv
endif
ARGS += --input $(CRT_PATHS) -q
# Generate certificate bundle using generate_cert_bundle.py
$(X509_CERTIFICATE_BUNDLE) : $(SDKCONFIG_MAKEFILE)
$(GEN_CRT_BUNDLEPY) $(ARGS)
COMPONENT_EXTRA_CLEAN += $(X509_CERTIFICATE_BUNDLE)
COMPONENT_EMBED_FILES := $(X509_CERTIFICATE_BUNDLE)
endif
ifdef CONFIG_MBEDTLS_DYNAMIC_BUFFER
WRAP_FUNCTIONS = mbedtls_ssl_handshake_client_step \
mbedtls_ssl_handshake_server_step \
mbedtls_ssl_read \
mbedtls_ssl_write \
mbedtls_ssl_session_reset \
mbedtls_ssl_free \
mbedtls_ssl_setup \
mbedtls_ssl_send_alert_message \
mbedtls_ssl_close_notify
WRAP_ARGUMENT := -Wl,--wrap=
COMPONENT_ADD_LDFLAGS = -l$(COMPONENT_NAME) $(addprefix $(WRAP_ARGUMENT),$(WRAP_FUNCTIONS))
COMPONENT_SRCDIRS += port/dynamic
endif