mirror of https://github.com/thesofproject/sof.git
113 lines
3.2 KiB
CMake
113 lines
3.2 KiB
CMake
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cmake_minimum_required(VERSION 3.10)
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if(NOT (${CMAKE_VERSION} VERSION_LESS "3.13.0"))
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# CMake 3.13+ has less restrictive rules for target_link_libraries()
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# Until we make 3.13 as required minimum version we want to
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# use old behaviour for compatibility
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cmake_policy(SET CMP0079 OLD)
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endif()
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# firmware build supports only xtensa arch for now
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set(ARCH xtensa)
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# let user override built-in toolchains
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if(DEFINED CMAKE_TOOLCHAIN_FILE)
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set(TOOLCHAIN "${CMAKE_TOOLCHAIN_FILE}")
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else()
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include(scripts/cmake/${ARCH}-toolchain.cmake OPTIONAL)
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endif()
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include(scripts/cmake/misc.cmake)
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project(SOF C ASM)
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set(PYTHON3 python3)
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# get compiler name and version
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execute_process(
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COMMAND ${CMAKE_C_COMPILER} --version
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COMMAND head -n 1
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OUTPUT_VARIABLE CC_VERSION_TEXT
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OUTPUT_STRIP_TRAILING_WHITESPACE
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ERROR_QUIET
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)
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set(GENERATED_DIRECTORY ${PROJECT_BINARY_DIR}/generated)
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file(MAKE_DIRECTORY ${GENERATED_DIRECTORY}/include)
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set(DOT_CONFIG_PATH ${GENERATED_DIRECTORY}/.config)
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set(CONFIG_H_PATH ${GENERATED_DIRECTORY}/include/config.h)
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set(VERSION_H_PATH ${GENERATED_DIRECTORY}/include/version.h)
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include(scripts/cmake/version.cmake)
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sof_add_version_h_rule(${PROJECT_SOURCE_DIR}/scripts/cmake/version.cmake)
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# cmake itself cannot depend on files that don't exist
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# so to make it regenerate when .config file is created,
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# we make it depend on containing directory
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# NOTE: some filesystems may be unable to watch directory change,
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# in that case cmake may need to be regenerated from CLI
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set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS
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${GENERATED_DIRECTORY} ${DOT_CONFIG_PATH})
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if(EXISTS ${DOT_CONFIG_PATH})
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read_kconfig_config(${DOT_CONFIG_PATH})
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endif()
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add_custom_target(
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menuconfig
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COMMAND ${CMAKE_COMMAND} -E env
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srctree=${PROJECT_SOURCE_DIR}
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CC_VERSION_TEXT=${CC_VERSION_TEXT}
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ARCH=${ARCH}
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${PYTHON3} ${PROJECT_SOURCE_DIR}/scripts/kconfig/menuconfig.py
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${PROJECT_SOURCE_DIR}/Kconfig
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WORKING_DIRECTORY ${GENERATED_DIRECTORY}
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VERBATIM
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USES_TERMINAL
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)
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add_custom_command(OUTPUT ${CONFIG_H_PATH}
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COMMAND ${CMAKE_COMMAND} -E env
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srctree=${PROJECT_SOURCE_DIR}
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CC_VERSION_TEXT=${CC_VERSION_TEXT}
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ARCH=${ARCH}
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${PYTHON3} ${PROJECT_SOURCE_DIR}/scripts/kconfig/genconfig.py
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--header-path ${CONFIG_H_PATH}
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${PROJECT_SOURCE_DIR}/Kconfig
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DEPENDS ${DOT_CONFIG_PATH}
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WORKING_DIRECTORY ${GENERATED_DIRECTORY}
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COMMENT "Generating ${CONFIG_H_PATH}"
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VERBATIM
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USES_TERMINAL
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)
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add_custom_target(genconfig DEPENDS ${CONFIG_H_PATH})
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# most of other options are set on per-arch basis
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set(CMAKE_ASM_FLAGS -DASSEMBLY)
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# interface library that is used only as container for sof binary options
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# other targets can use it to build with the same options
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add_library(sof_options INTERFACE)
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add_dependencies(sof_options genconfig)
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add_library(sof_ld_flags INTERFACE)
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add_library(sof_ld_scripts INTERFACE)
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# declare target with no sources to let cmake know about it
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add_executable(sof "")
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target_link_libraries(sof sof_options)
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target_link_libraries(sof sof_ld_scripts)
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target_link_libraries(sof sof_ld_flags)
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add_dependencies(sof_options genconfig)
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target_include_directories(sof_options INTERFACE ${PROJECT_SOURCE_DIR}/src/include)
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target_include_directories(sof_options INTERFACE ${GENERATED_DIRECTORY}/include)
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add_subdirectory(src)
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target_link_libraries(sof sof_lib)
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