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0e4637b7ff
We're passing LLVM_EXTERNAL_PROJECTS to cross-compilation configures, so we also need to pass the source directories of those projects, otherwise configuration can fail from not finding them. Differential Revision: https://reviews.llvm.org/D69076 llvm-svn: 375157
117 lines
5.1 KiB
CMake
117 lines
5.1 KiB
CMake
include(AddLLVM)
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include(LLVMExternalProjectUtils)
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function(llvm_create_cross_target project_name target_name toolchain buildtype)
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if(NOT DEFINED ${project_name}_${target_name}_BUILD)
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set(${project_name}_${target_name}_BUILD
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"${CMAKE_BINARY_DIR}/${target_name}")
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set(${project_name}_${target_name}_BUILD
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${${project_name}_${target_name}_BUILD} PARENT_SCOPE)
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message(STATUS "Setting native build dir to " ${${project_name}_${target_name}_BUILD})
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endif(NOT DEFINED ${project_name}_${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_INIT
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-DCMAKE_TOOLCHAIN_FILE=\"${LLVM_MAIN_SRC_DIR}/cmake/platforms/${toolchain}.cmake\")
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else()
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set(CROSS_TOOLCHAIN_FLAGS_INIT
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-DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
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-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
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)
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endif()
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set(CROSS_TOOLCHAIN_FLAGS_${target_name} ${CROSS_TOOLCHAIN_FLAGS_INIT}
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CACHE STRING "Toolchain configuration for ${target_name}")
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# project specific version of the flags up above
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set(CROSS_TOOLCHAIN_FLAGS_${project_name}_${target_name} ""
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CACHE STRING "Toolchain configuration for ${Pproject_name}_${target_name}")
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if (buildtype)
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set(build_type_flags "-DCMAKE_BUILD_TYPE=${buildtype}")
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endif()
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if (LLVM_USE_LINKER AND NOT CMAKE_CROSSCOMPILING)
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set(linker_flag "-DLLVM_USE_LINKER=${LLVM_USE_LINKER}")
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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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add_custom_command(OUTPUT ${${project_name}_${target_name}_BUILD}
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COMMAND ${CMAKE_COMMAND} -E make_directory ${${project_name}_${target_name}_BUILD}
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COMMENT "Creating ${${project_name}_${target_name}_BUILD}...")
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add_custom_target(CREATE_${project_name}_${target_name}
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DEPENDS ${${project_name}_${target_name}_BUILD})
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# Escape semicolons in the targets list so that cmake doesn't expand
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# them to spaces.
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string(REPLACE ";" "$<SEMICOLON>" targets_to_build_arg
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"${LLVM_TARGETS_TO_BUILD}")
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string(REPLACE ";" "$<SEMICOLON>" experimental_targets_to_build_arg
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"${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD}")
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string(REPLACE ";" "$<SEMICOLON>" llvm_enable_projects_arg
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"${LLVM_ENABLE_PROJECTS}")
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string(REPLACE ";" "$<SEMICOLON>" llvm_external_projects_arg
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"${LLVM_EXTERNAL_PROJECTS}")
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set(external_project_source_dirs)
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foreach(project ${LLVM_EXTERNAL_PROJECTS})
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canonicalize_tool_name(${project} name)
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list(APPEND external_project_source_dirs
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"-DLLVM_EXTERNAL_${name}_SOURCE_DIR=${LLVM_EXTERNAL_${name}_SOURCE_DIR}")
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endforeach()
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add_custom_command(OUTPUT ${${project_name}_${target_name}_BUILD}/CMakeCache.txt
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COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}"
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-DCMAKE_MAKE_PROGRAM="${CMAKE_MAKE_PROGRAM}"
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${CROSS_TOOLCHAIN_FLAGS_${target_name}} ${CMAKE_SOURCE_DIR}
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${CROSS_TOOLCHAIN_FLAGS_${project_name}_${target_name}}
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-DLLVM_TARGET_IS_CROSSCOMPILE_HOST=TRUE
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-DLLVM_TARGETS_TO_BUILD="${targets_to_build_arg}"
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-DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD="${experimental_targets_to_build_arg}"
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-DLLVM_DEFAULT_TARGET_TRIPLE="${TARGET_TRIPLE}"
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-DLLVM_TARGET_ARCH="${LLVM_TARGET_ARCH}"
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-DLLVM_ENABLE_PROJECTS="${llvm_enable_projects_arg}"
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-DLLVM_EXTERNAL_PROJECTS="${llvm_external_projects_arg}"
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${external_project_source_dirs}
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-DLLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN="${LLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN}"
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${build_type_flags} ${linker_flag} ${external_clang_dir}
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${ARGN}
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WORKING_DIRECTORY ${${project_name}_${target_name}_BUILD}
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DEPENDS CREATE_${project_name}_${target_name}
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COMMENT "Configuring ${target_name} ${project_name}...")
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add_custom_target(CONFIGURE_${project_name}_${target_name}
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DEPENDS ${${project_name}_${target_name}_BUILD}/CMakeCache.txt)
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endfunction()
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# Sets up a native build for a tool, used e.g. for cross-compilation and
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# LLVM_OPTIMIZED_TABLEGEN. Always builds in Release.
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# - target: The target to build natively
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# - output_path_var: A variable name which receives the path to the built target
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# - DEPENDS: Any additional dependencies for the target
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function(build_native_tool target output_path_var)
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cmake_parse_arguments(ARG "" "" "DEPENDS" ${ARGN})
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if(CMAKE_CONFIGURATION_TYPES)
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set(output_path "${${CMAKE_PROJECT_NAME}_NATIVE_BUILD}/Release/bin/${target}")
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else()
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set(output_path "${${CMAKE_PROJECT_NAME}_NATIVE_BUILD}/bin/${target}")
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endif()
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llvm_ExternalProject_BuildCmd(build_cmd ${target} ${${CMAKE_PROJECT_NAME}_NATIVE_BUILD}
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CONFIGURATION Release)
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add_custom_command(OUTPUT "${output_path}"
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COMMAND ${build_cmd}
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DEPENDS CONFIGURE_${CMAKE_PROJECT_NAME}_NATIVE ${ARG_DEPENDS}
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WORKING_DIRECTORY "${${CMAKE_PROJECT_NAME}_NATIVE_BUILD}"
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COMMENT "Building native ${target}..."
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USES_TERMINAL)
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set(${output_path_var} "${output_path}" PARENT_SCOPE)
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endfunction()
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