69 lines
2.6 KiB
CMake
69 lines
2.6 KiB
CMake
# Pick Archive
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set(toolchain_version "13.2.rel1")
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execute_process(COMMAND uname -m OUTPUT_VARIABLE arch OUTPUT_STRIP_TRAILING_WHITESPACE)
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if(arch STREQUAL "x86_64")
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set(toolchain_file "arm-gnu-toolchain-${toolchain_version}-x86_64-arm-none-linux-gnueabihf.tar.xz")
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elseif(arch STREQUAL "aarch64" OR arch STREQUAL "armv8b" OR arch STREQUAL "armv8l")
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set(toolchain_file "arm-gnu-toolchain-${toolchain_version}-aarch64-arm-none-linux-gnueabihf.tar.xz")
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else()
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message(FATAL_ERROR "Unable To Download Prebuilt ARMHF Toolchain")
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endif()
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# Download If Needed
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include(FetchContent)
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FetchContent_Declare(
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prebuilt-armhf-toolchain
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URL "file://${CMAKE_CURRENT_LIST_DIR}/../archives/${toolchain_file}"
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)
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FetchContent_MakeAvailable(prebuilt-armhf-toolchain)
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set(toolchain_dir "${prebuilt-armhf-toolchain_SOURCE_DIR}")
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# Force Toolchain
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file(WRITE "${toolchain_dir}/toolchain.cmake"
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"set(CMAKE_C_COMPILER \"\${CMAKE_CURRENT_LIST_DIR}/bin/arm-none-linux-gnueabihf-gcc\")\n"
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"set(CMAKE_CXX_COMPILER \"\${CMAKE_CURRENT_LIST_DIR}/bin/arm-none-linux-gnueabihf-g++\")\n"
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"set(CMAKE_SYSTEM_NAME \"Linux\")\n"
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"set(CMAKE_SYSTEM_PROCESSOR \"arm\")\n"
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"set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)\n"
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)
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set(CMAKE_TOOLCHAIN_FILE "${toolchain_dir}/toolchain.cmake" CACHE STRING "" FORCE)
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# Build Sysroot
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set(sysroot_dir "${CMAKE_CURRENT_BINARY_DIR}/bundled-armhf-sysroot")
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if("${toolchain_dir}/bin/arm-none-linux-gnueabihf-gcc" IS_NEWER_THAN "${sysroot_dir}")
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# Create Directory
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file(REMOVE_RECURSE "${sysroot_dir}")
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file(MAKE_DIRECTORY "${sysroot_dir}")
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# Copy Files From Toolchain
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file(
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COPY "${toolchain_dir}/arm-none-linux-gnueabihf/libc/"
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DESTINATION "${sysroot_dir}"
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USE_SOURCE_PERMISSIONS
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FILES_MATCHING
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PATTERN "*.so*"
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)
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# Delete Unneeded Files
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file(REMOVE_RECURSE "${sysroot_dir}/usr/lib/audit")
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file(REMOVE_RECURSE "${sysroot_dir}/usr/lib/gconv")
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# Strip Files
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file(GLOB_RECURSE files LIST_DIRECTORIES FALSE "${sysroot_dir}/*")
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foreach(file IN LISTS files)
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execute_process(COMMAND "${toolchain_dir}/bin/arm-none-linux-gnueabihf-strip" "${file}" RESULT_VARIABLE ret)
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# Check Result
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if(NOT ret EQUAL 0)
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# Delete Invalid Files
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file(REMOVE "${file}")
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endif()
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endforeach()
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endif()
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# Install Sysroot (Skipping Empty Directories)
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file(GLOB_RECURSE files LIST_DIRECTORIES FALSE RELATIVE "${sysroot_dir}" "${sysroot_dir}/*")
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foreach(file IN LISTS files)
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get_filename_component(parent "${file}" DIRECTORY)
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install(PROGRAMS "${sysroot_dir}/${file}" DESTINATION "${MCPI_INSTALL_DIR}/sysroot/${parent}")
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endforeach()
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