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70 lines
2.8 KiB
CMake
70 lines
2.8 KiB
CMake
#
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# Set the target used for the standard project build.
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#
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macro(__target_init)
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# Input is IDF_TARGET environement variable
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set(env_idf_target $ENV{IDF_TARGET})
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if(NOT env_idf_target)
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# IDF_TARGET not set in environment, see if it is set in cache
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if(IDF_TARGET)
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set(env_idf_target ${IDF_TARGET})
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else()
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set(env_idf_target esp32)
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message(STATUS "IDF_TARGET not set, using default target: ${env_idf_target}")
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endif()
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else()
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# IDF_TARGET set both in environment and in cache, must be the same
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if(NOT ${IDF_TARGET} STREQUAL ${env_idf_target})
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message(FATAL_ERROR "IDF_TARGET in CMake cache does not match "
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"IDF_TARGET environment variable. To change the target, clear "
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"the build directory and sdkconfig file, and build the project again")
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endif()
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endif()
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# IDF_TARGET will be used by Kconfig, make sure it is set
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set(ENV{IDF_TARGET} ${env_idf_target})
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# Finally, set IDF_TARGET in cache
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set(IDF_TARGET ${env_idf_target} CACHE STRING "IDF Build Target")
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endmacro()
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#
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# Check that the set build target and the config target matches.
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#
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function(__target_check)
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# Should be called after sdkconfig CMake file has been included.
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idf_build_get_property(idf_target IDF_TARGET)
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if(NOT ${idf_target} STREQUAL ${CONFIG_IDF_TARGET})
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message(FATAL_ERROR "CONFIG_IDF_TARGET in sdkconfig does not match "
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"IDF_TARGET environment variable. To change the target, delete "
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"sdkconfig file and build the project again.")
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endif()
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endfunction()
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#
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# Used by the project CMake file to set the toolchain before project() call.
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#
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macro(__target_set_toolchain)
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idf_build_get_property(idf_path IDF_PATH)
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# First try to load the toolchain file from the tools/cmake/directory of IDF
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set(toolchain_file_global ${idf_path}/tools/cmake/toolchain-${IDF_TARGET}.cmake)
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if(EXISTS ${toolchain_file_global})
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set(CMAKE_TOOLCHAIN_FILE ${toolchain_file_global})
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else()
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__component_get_target(component_target ${IDF_TARGET})
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if(NOT component_target)
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message(FATAL_ERROR "Unable to resolve '${IDF_TARGET}' for setting toolchain file.")
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endif()
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get_property(component_dir TARGET ${component_target} PROPERTY COMPONENT_DIR)
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# Try to load the toolchain file from the directory of IDF_TARGET component
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set(toolchain_file_component ${component_dir}/toolchain-${IDF_TARGET}.cmake)
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if(EXISTS ${toolchain_file_component})
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set(CMAKE_TOOLCHAIN_FILE ${toolchain_file_component})
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else()
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message(FATAL_ERROR "Toolchain file toolchain-${IDF_TARGET}.cmake not found,"
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"checked ${toolchain_file_global} and ${toolchain_file_component}")
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endif()
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endif()
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endmacro()
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