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			77 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			CMake
		
	
	
	
	
	
			
		
		
	
	
			77 lines
		
	
	
		
			3.1 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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    # Check if IDF_ENV_FPGA environment is set
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    set(env_idf_env_fpga $ENV{IDF_ENV_FPGA})
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    if(${env_idf_env_fpga})
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        idf_build_set_property(__IDF_ENV_FPGA "y")
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        message(NOTICE "IDF_ENV_FPGA is set, building for FPGA environment")
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    endif()
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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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