146 lines
5 KiB
CMake
146 lines
5 KiB
CMake
# Designed to be included from an IDF app's CMakeLists.txt file
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#
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cmake_minimum_required(VERSION 3.5)
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# Set IDF_PATH, as nothing else will work without this.
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set(IDF_PATH "$ENV{IDF_PATH}")
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if(NOT IDF_PATH)
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# Documentation says you should set IDF_PATH in your environment, but we
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# can infer it relative to tools/cmake directory if it's not set.
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get_filename_component(IDF_PATH "${CMAKE_CURRENT_LIST_DIR}/../.." ABSOLUTE)
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endif()
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file(TO_CMAKE_PATH "${IDF_PATH}" IDF_PATH)
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set(ENV{IDF_PATH} ${IDF_PATH})
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# Set the path of idf.py.
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set(IDFTOOL ${PYTHON} "${IDF_PATH}/tools/idf.py")
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# Trick to temporarily redefine project(). When functions are overriden in CMake, the originals can still be accessed
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# using an underscore prefixed function of the same name. The following lines make sure that __project calls
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# the original project(). See https://cmake.org/pipermail/cmake/2015-October/061751.html.
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function(project)
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endfunction()
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function(_project)
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endfunction()
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include(${IDF_PATH}/tools/cmake/idf_functions.cmake)
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macro(project name)
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# Bridge existing documented variable names with library namespaced variables in order for old projects to work.
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if(COMPONENT_DIRS)
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spaces2list(COMPONENT_DIRS)
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foreach(component_dir ${COMPONENT_DIRS})
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get_filename_component(full_path ${component_dir} ABSOLUTE)
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get_filename_component(idf_path "${IDF_PATH}/components" ABSOLUTE)
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if(NOT full_path STREQUAL idf_path)
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set(IDF_EXTRA_COMPONENT_DIRS "${IDF_EXTRA_COMPONENT_DIRS} ${component_dir}")
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endif()
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endforeach()
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else()
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if(MAIN_SRCS)
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set(IDF_EXTRA_COMPONENT_DIRS "${EXTRA_COMPONENT_DIRS} ${CMAKE_SOURCE_DIR}/components")
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else()
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set(IDF_EXTRA_COMPONENT_DIRS "${EXTRA_COMPONENT_DIRS} \
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${CMAKE_SOURCE_DIR}/components ${CMAKE_SOURCE_DIR}/main")
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endif()
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endif()
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if(COMPONENTS)
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set(IDF_COMPONENTS "${COMPONENTS}")
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endif()
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if(COMPONENT_REQUIRES_COMMON)
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set(IDF_COMPONENT_REQUIRES_COMMON "${COMPONENT_REQUIRES_COMMON}")
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endif()
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if(EXCLUDE_COMPONENTS)
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set(IDF_EXCLUDE_COMPONENTS "${COMPONENT_EXCLUDES}")
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endif()
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if(TESTS_ALL EQUAL 1 OR TEST_COMPONENTS)
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set(IDF_BUILD_TESTS 1)
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endif()
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if(TEST_COMPONENTS)
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set(IDF_TEST_COMPONENTS "${TEST_COMPONENTS}")
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endif()
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if(TEST_EXCLUDE_COMPONENTS)
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set(IDF_TEST_EXCLUDE_COMPONENTS "${TEST_EXCLUDE_COMPONENTS}")
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endif()
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if(NOT SDKCONFIG_DEFAULTS)
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if(EXISTS ${CMAKE_SOURCE_DIR}/sdkconfig.defaults)
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set(IDF_SDKCONFIG_DEFAULTS ${CMAKE_SOURCE_DIR}/sdkconfig.defaults)
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endif()
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else()
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set(IDF_SDKCONFIG_DEFAULTS ${SDKCONFIG_DEFAULTS})
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endif()
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# Set build variables
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idf_set_variables()
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# Now the configuration is loaded, set the toolchain appropriately
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idf_set_toolchain()
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__project(${name} C CXX ASM)
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set(IDF_BUILD_ARTIFACTS ON)
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set(IDF_PROJECT_EXECUTABLE ${CMAKE_PROJECT_NAME}.elf)
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set(IDF_BUILD_ARTIFACTS_DIR ${CMAKE_BINARY_DIR})
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if(MAIN_SRCS)
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spaces2list(MAIN_SRCS)
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add_executable(${IDF_PROJECT_EXECUTABLE} ${MAIN_SRCS})
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else()
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# Create a dummy file to work around CMake requirement of having a source
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# file while adding an executable
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add_executable(${IDF_PROJECT_EXECUTABLE} "${CMAKE_CURRENT_BINARY_DIR}/dummy_main_src.c")
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add_custom_command(OUTPUT dummy_main_src.c
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COMMAND ${CMAKE_COMMAND} -E touch dummy_main_src.c
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WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
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VERBATIM)
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add_custom_target(dummy_main_src DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/dummy_main_src.c)
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add_dependencies(${IDF_PROJECT_EXECUTABLE} dummy_main_src)
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endif()
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set(mapfile "${CMAKE_PROJECT_NAME}.map")
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target_link_libraries(${IDF_PROJECT_EXECUTABLE} "-Wl,--gc-sections \
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-Wl,--cref -Wl,--Map=${mapfile}")
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set_property(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" APPEND PROPERTY
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ADDITIONAL_MAKE_CLEAN_FILES
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"${CMAKE_CURRENT_BINARY_DIR}/${mapfile}")
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# Add size targets, depend on map file, run idf_size.py
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add_custom_target(size
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DEPENDS ${exe_target}
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COMMAND ${PYTHON} ${IDF_PATH}/tools/idf_size.py ${mapfile}
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)
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add_custom_target(size-files
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DEPENDS ${exe_target}
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COMMAND ${PYTHON} ${IDF_PATH}/tools/idf_size.py --files ${mapfile}
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)
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add_custom_target(size-components
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DEPENDS ${exe_target}
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COMMAND ${PYTHON} ${IDF_PATH}/tools/idf_size.py --archives ${mapfile}
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)
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# Since components can import third-party libraries, the original definition of project() should be restored
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# before the call to add components to the build.
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function(project)
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set(project_ARGV ARGV)
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__project(${${project_ARGV}})
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endfunction()
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# Finally, add the rest of the components to the build.
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idf_import_components(components $ENV{IDF_PATH} esp-idf)
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idf_link_components(${IDF_PROJECT_EXECUTABLE} "${components}")
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endmacro()
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