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4ae83cd009
This is need because of clang-tblgen Differential Revision: https://reviews.llvm.org/D26483 llvm-svn: 286560
63 lines
2.7 KiB
CMake
63 lines
2.7 KiB
CMake
function(llvm_create_cross_target_internal target_name toolchain buildtype)
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if(NOT DEFINED LLVM_${target_name}_BUILD)
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set(LLVM_${target_name}_BUILD "${CMAKE_BINARY_DIR}/${target_name}")
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set(LLVM_${target_name}_BUILD ${LLVM_${target_name}_BUILD} PARENT_SCOPE)
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message(STATUS "Setting native build dir to " ${LLVM_${target_name}_BUILD})
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endif(NOT DEFINED LLVM_${target_name}_BUILD)
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if (EXISTS ${LLVM_MAIN_SRC_DIR}/cmake/platforms/${toolchain}.cmake)
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set(CROSS_TOOLCHAIN_FLAGS_${target_name}
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-DCMAKE_TOOLCHAIN_FILE=\"${LLVM_MAIN_SRC_DIR}/cmake/platforms/${toolchain}.cmake\"
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CACHE STRING "Toolchain file for ${target_name}")
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endif()
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add_custom_command(OUTPUT ${LLVM_${target_name}_BUILD}
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COMMAND ${CMAKE_COMMAND} -E make_directory ${LLVM_${target_name}_BUILD}
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COMMENT "Creating ${LLVM_${target_name}_BUILD}...")
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add_custom_command(OUTPUT ${LLVM_${target_name}_BUILD}/CMakeCache.txt
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COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}"
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${CROSS_TOOLCHAIN_FLAGS_${target_name}} ${CMAKE_SOURCE_DIR}
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-DLLVM_TARGET_IS_CROSSCOMPILE_HOST=TRUE
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WORKING_DIRECTORY ${LLVM_${target_name}_BUILD}
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DEPENDS ${LLVM_${target_name}_BUILD}
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COMMENT "Configuring ${target_name} LLVM...")
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add_custom_target(CONFIGURE_LLVM_${target_name}
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DEPENDS ${LLVM_${target_name}_BUILD}/CMakeCache.txt)
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set_directory_properties(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES
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${LLVM_${target_name}_BUILD})
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if(NOT IS_DIRECTORY ${LLVM_${target_name}_BUILD})
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message(STATUS "Configuring ${target_name} build...")
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execute_process(COMMAND ${CMAKE_COMMAND} -E make_directory
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${LLVM_${target_name}_BUILD} )
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message(STATUS "Configuring ${target_name} targets...")
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if (buildtype)
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set(build_type_flags "-DCMAKE_BUILD_TYPE=${buildtype}")
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endif()
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if (LLVM_EXTERNAL_CLANG_SOURCE_DIR)
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# Propagate LLVM_EXTERNAL_CLANG_SOURCE_DIR so that clang-tblgen can be built
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set(external_clang_dir "-DLLVM_EXTERNAL_CLANG_SOURCE_DIR=${LLVM_EXTERNAL_CLANG_SOURCE_DIR}")
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endif()
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execute_process(COMMAND ${CMAKE_COMMAND} ${build_type_flags}
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-G "${CMAKE_GENERATOR}" -DLLVM_TARGETS_TO_BUILD=${LLVM_TARGETS_TO_BUILD}
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${CROSS_TOOLCHAIN_FLAGS_${target_name}} ${CMAKE_SOURCE_DIR}
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-DLLVM_TARGET_IS_CROSSCOMPILE_HOST=TRUE
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${external_clang_dir}
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WORKING_DIRECTORY ${LLVM_${target_name}_BUILD} )
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endif(NOT IS_DIRECTORY ${LLVM_${target_name}_BUILD})
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endfunction()
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function(llvm_create_cross_target target_name sysroot)
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llvm_create_cross_target_internal(${target_name} ${sysroot} ${CMAKE_BUILD_TYPE})
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endfunction()
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llvm_create_cross_target_internal(NATIVE "" Release)
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