OVMS3-idf/components/mbedtls/CMakeLists.txt

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CMake
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set(COMPONENT_ADD_INCLUDEDIRS "port/include" "mbedtls/include")
set(COMPONENT_SRCS "mbedtls.c")
set(COMPONENT_REQUIRES lwip)
register_component()
# Only build mbedtls libraries
set(ENABLE_TESTING CACHE BOOL OFF)
set(ENABLE_PROGRAMS CACHE BOOL OFF)
# Use same policy between IDF and mbedtls build
function(project)
set(_args ARGV)
_project(${${_args}})
cmake_policy(SET CMP0022 NEW)
endfunction()
# Needed to for include_next includes to work from within mbedtls
include_directories("${COMPONENT_PATH}/port/include")
if(MSYS)
set(CMAKE_HOST_UNIX 1)
endif()
# Import mbedtls library targets
add_subdirectory(mbedtls)
# Use port specific implementation of net_socket.c instead of one from mbedtls
get_target_property(src_tls mbedtls SOURCES)
list(REMOVE_ITEM src_tls net_sockets.c)
set_property(TARGET mbedtls PROPERTY SOURCES ${src_tls})
set(mbedtls_targets mbedtls mbedcrypto mbedx509)
# Add port files to mbedtls targets
target_sources(mbedtls PRIVATE "${COMPONENT_PATH}/port/esp_bignum.c"
"${COMPONENT_PATH}/port/esp_hardware.c"
"${COMPONENT_PATH}/port/esp_mem.c"
"${COMPONENT_PATH}/port/esp_sha1.c"
"${COMPONENT_PATH}/port/esp_sha256.c"
"${COMPONENT_PATH}/port/esp_sha512.c"
"${COMPONENT_PATH}/port/mbedtls_debug.c"
"${COMPONENT_PATH}/port/net_sockets.c")
foreach(target ${mbedtls_targets})
# Propagate compile options to mbedtls library targets
target_include_directories(${target} PRIVATE "${IDF_INCLUDE_DIRECTORIES}")
target_compile_options(${target} PRIVATE "${IDF_COMPILE_OPTIONS};${IDF_C_COMPILE_OPTIONS}")
target_compile_definitions(${target} PRIVATE "${IDF_COMPILE_DEFINITIONS}")
target_compile_definitions(${target} PUBLIC -DMBEDTLS_CONFIG_FILE="mbedtls/esp_config.h")
# The mbedtls targets also depends on core components
foreach(common ${IDF_COMPONENT_REQUIRES_COMMON})
component_get_target(common_target ${common})
set_property(TARGET ${target} APPEND PROPERTY INTERFACE_LINK_LIBRARIES ${common_target})
set_property(TARGET ${target} APPEND PROPERTY LINK_LIBRARIES ${common_target})
endforeach()
endforeach()
# Link mbedtls libraries to component library
target_link_libraries(${COMPONENT_TARGET} ${mbedtls_targets})
# Catch usage of deprecated mbedTLS functions when building tests
if(mbedtls_test IN_LIST BUILD_TEST_COMPONENTS)
add_definitions(-DMBEDTLS_DEPRECATED_WARNING)
endif()