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06c0b8a5d0
This feature was added when we thought that target components might be added out of IDF tree. That never became possible, and with recent changes in IDF architecture it is unlikely that this feature will be necessary any time soon. Remove it, simplifying the code.
84 lines
3.2 KiB
CMake
84 lines
3.2 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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# See if Clang toolchain should be used
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set(env_idf_toolchain $ENV{IDF_TOOLCHAIN})
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if(NOT env_idf_toolchain)
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# IDF_TOOLCHAIN not set in environment, see if it is set in cache
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if(IDF_TOOLCHAIN)
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set(env_idf_toolchain ${IDF_TOOLCHAIN})
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else()
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set(env_idf_toolchain gcc)
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endif()
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else()
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# IDF_TOOLCHAIN set both in environment and in cache, must be the same
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if(NOT ${IDF_TOOLCHAIN} STREQUAL ${env_idf_toolchain})
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message(FATAL_ERROR "IDF_TOOLCHAIN in CMake cache does not match "
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"IDF_TOOLCHAIN environment variable. To change the toolchain, 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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# Finally, set IDF_TOOLCHAIN in cache
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set(IDF_TOOLCHAIN ${env_idf_toolchain} CACHE STRING "IDF Build Toolchain Type")
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if(${env_idf_toolchain} STREQUAL "clang")
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set(toolchain_type "clang-")
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endif()
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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 ${idf_path}/tools/cmake/toolchain-${toolchain_type}${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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message(FATAL_ERROR "Toolchain file ${toolchain_file_global} not found")
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endif()
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endmacro()
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