110 lines
4.8 KiB
CMake
110 lines
4.8 KiB
CMake
set(COMPONENT_ADD_INCLUDEDIRS "port/include" "mbedtls/include")
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set(COMPONENT_SRCS "mbedtls.c")
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set(COMPONENT_REQUIRES lwip)
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register_component()
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# Only build mbedtls libraries
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set(ENABLE_TESTING CACHE BOOL OFF)
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set(ENABLE_PROGRAMS CACHE BOOL OFF)
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# Use same policy between IDF and mbedtls build
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function(project)
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set(_args ARGV)
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_project(${${_args}})
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cmake_policy(SET CMP0022 NEW)
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endfunction()
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# Needed to for include_next includes to work from within mbedtls
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include_directories("${COMPONENT_PATH}/port/include")
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# Workaround issue with creating symbolic links due to issues with native
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# path conversion (TO_NATIVE_PATH). The following summarizes what CMake invocations
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# this workaround is for:
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#
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# 1. CMake from command line + Ninja = No errors
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# 2. CMake from command line + MinGW Makefiles = Forward slash for paths, mklink mistakes path for a switch
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# 3. CMake from MSYS + Ninja = No errors
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# 4. CMake from MSYS + Unix Makefiles/MSYS Makefiles = Forward slash for paths, mklink mistakes path for a switch
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#
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# There are references to the issue in case (2) and (4) in https://github.com/ARMmbed/mbedtls/issues/1496,
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# https://cmake.org/pipermail/cmake/2006-July/010193.html, and https://cmake.org/Bug/view.php?id=5939.
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#
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# This workaround is meant to circumvent logic inside link_to_source() function in mbedtls/mbedtls/CMakeLists.txt.
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if(CMAKE_HOST_WIN32)
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set(msystem $ENV{MSYSTEM})
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if(MSYS OR msystem)
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# Solves case (4). When in MSYS environment, instead opt to use the Unix equivalent of mklink.
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set(CMAKE_HOST_UNIX 1)
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else()
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# Solves case (2). When invoked from command line, create the symbolic links ahead of link_to_source() invocations
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# using a 'hybrid' path format resilient intermediary - in this case a Python wrapper for mklink. This is more unweildy
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# than necessary, since string(REPLACE "/" "\\" ... does not actually work.
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set(target_links "mbedtls/include/mbedtls"
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"mbedtls/scripts")
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foreach(target_link ${target_links})
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file(TO_NATIVE_PATH ${CMAKE_CURRENT_BINARY_DIR}/${target_link} link)
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file(TO_NATIVE_PATH ${COMPONENT_PATH}/${target_link} target)
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if(NOT EXISTS ${link})
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if (IS_DIRECTORY ${target})
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set(command ${PYTHON} ${COMPONENT_PATH}/mklink.py /j ${link} ${target})
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else()
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set(command ${PYTHON} ${COMPONENT_PATH}/mklink.py /h ${link} ${target})
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endif()
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execute_process(COMMAND ${command}
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RESULT_VARIABLE result
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ERROR_VARIABLE output)
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if (NOT ${result} EQUAL 0)
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message(FATAL_ERROR "Could not create symbolic link for: ${target} --> ${output}")
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endif()
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endif()
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endforeach()
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endif()
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endif()
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# Import mbedtls library targets
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add_subdirectory(mbedtls)
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# Use port specific implementation of net_socket.c instead of one from mbedtls
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get_target_property(src_tls mbedtls SOURCES)
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list(REMOVE_ITEM src_tls net_sockets.c)
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set_property(TARGET mbedtls PROPERTY SOURCES ${src_tls})
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set(mbedtls_targets mbedtls mbedcrypto mbedx509)
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# Add port files to mbedtls targets
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target_sources(mbedtls PRIVATE "${COMPONENT_PATH}/port/esp_bignum.c"
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"${COMPONENT_PATH}/port/esp_hardware.c"
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"${COMPONENT_PATH}/port/esp_mem.c"
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"${COMPONENT_PATH}/port/esp_sha1.c"
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"${COMPONENT_PATH}/port/esp_sha256.c"
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"${COMPONENT_PATH}/port/esp_sha512.c"
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"${COMPONENT_PATH}/port/mbedtls_debug.c"
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"${COMPONENT_PATH}/port/net_sockets.c")
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foreach(target ${mbedtls_targets})
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# Propagate compile options to mbedtls library targets
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target_include_directories(${target} PRIVATE "${IDF_INCLUDE_DIRECTORIES}")
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target_compile_options(${target} PRIVATE "${IDF_COMPILE_OPTIONS};${IDF_C_COMPILE_OPTIONS}")
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target_compile_definitions(${target} PRIVATE "${IDF_COMPILE_DEFINITIONS}")
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target_compile_definitions(${target} PUBLIC -DMBEDTLS_CONFIG_FILE="mbedtls/esp_config.h")
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# The mbedtls targets also depends on core components
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foreach(common ${IDF_COMPONENT_REQUIRES_COMMON})
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component_get_target(common_target ${common})
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set_property(TARGET ${target} APPEND PROPERTY INTERFACE_LINK_LIBRARIES ${common_target})
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set_property(TARGET ${target} APPEND PROPERTY LINK_LIBRARIES ${common_target})
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endforeach()
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endforeach()
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# Link mbedtls libraries to component library
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target_link_libraries(${COMPONENT_TARGET} ${mbedtls_targets})
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# Catch usage of deprecated mbedTLS functions when building tests
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if(mbedtls_test IN_LIST BUILD_TEST_COMPONENTS)
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add_definitions(-DMBEDTLS_DEPRECATED_WARNING)
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endif()
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