| include(AddLLVM) |
| include(LLVMExternalProjectUtils) |
| |
| |
| function(llvm_create_cross_target project_name target_name toolchain buildtype) |
| |
| if(NOT DEFINED ${project_name}_${target_name}_BUILD) |
| set(${project_name}_${target_name}_BUILD |
| "${CMAKE_CURRENT_BINARY_DIR}/${target_name}") |
| set(${project_name}_${target_name}_BUILD |
| ${${project_name}_${target_name}_BUILD} PARENT_SCOPE) |
| message(STATUS "Setting native build dir to " ${${project_name}_${target_name}_BUILD}) |
| endif(NOT DEFINED ${project_name}_${target_name}_BUILD) |
| |
| if (EXISTS ${LLVM_MAIN_SRC_DIR}/cmake/platforms/${toolchain}.cmake) |
| set(CROSS_TOOLCHAIN_FLAGS_INIT |
| -DCMAKE_TOOLCHAIN_FILE=\"${LLVM_MAIN_SRC_DIR}/cmake/platforms/${toolchain}.cmake\") |
| else() |
| set(CROSS_TOOLCHAIN_FLAGS_INIT |
| -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER} |
| -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER} |
| ) |
| endif() |
| set(CROSS_TOOLCHAIN_FLAGS_${target_name} ${CROSS_TOOLCHAIN_FLAGS_INIT} |
| CACHE STRING "Toolchain configuration for ${target_name}") |
| |
| # project specific version of the flags up above |
| set(CROSS_TOOLCHAIN_FLAGS_${project_name}_${target_name} "" |
| CACHE STRING "Toolchain configuration for ${Pproject_name}_${target_name}") |
| |
| if (buildtype) |
| set(build_type_flags "-DCMAKE_BUILD_TYPE=${buildtype}") |
| endif() |
| if (LLVM_USE_LINKER AND NOT CMAKE_CROSSCOMPILING) |
| set(linker_flag "-DLLVM_USE_LINKER=${LLVM_USE_LINKER}") |
| endif() |
| if (LLVM_EXTERNAL_CLANG_SOURCE_DIR) |
| # Propagate LLVM_EXTERNAL_CLANG_SOURCE_DIR so that clang-tblgen can be built |
| set(external_clang_dir "-DLLVM_EXTERNAL_CLANG_SOURCE_DIR=${LLVM_EXTERNAL_CLANG_SOURCE_DIR}") |
| endif() |
| |
| add_custom_command(OUTPUT ${${project_name}_${target_name}_BUILD} |
| COMMAND ${CMAKE_COMMAND} -E make_directory ${${project_name}_${target_name}_BUILD} |
| COMMENT "Creating ${${project_name}_${target_name}_BUILD}...") |
| |
| add_custom_target(CREATE_${project_name}_${target_name} |
| DEPENDS ${${project_name}_${target_name}_BUILD}) |
| |
| # Escape semicolons in the targets list so that cmake doesn't expand |
| # them to spaces. |
| string(REPLACE ";" "$<SEMICOLON>" targets_to_build_arg |
| "${LLVM_TARGETS_TO_BUILD}") |
| string(REPLACE ";" "$<SEMICOLON>" experimental_targets_to_build_arg |
| "${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD}") |
| |
| string(REPLACE ";" "$<SEMICOLON>" llvm_enable_projects_arg |
| "${LLVM_ENABLE_PROJECTS}") |
| string(REPLACE ";" "$<SEMICOLON>" llvm_external_projects_arg |
| "${LLVM_EXTERNAL_PROJECTS}") |
| string(REPLACE ";" "$<SEMICOLON>" llvm_enable_runtimes_arg |
| "${LLVM_ENABLE_RUNTIMES}") |
| |
| set(external_project_source_dirs) |
| foreach(project ${LLVM_EXTERNAL_PROJECTS}) |
| canonicalize_tool_name(${project} name) |
| list(APPEND external_project_source_dirs |
| "-DLLVM_EXTERNAL_${name}_SOURCE_DIR=${LLVM_EXTERNAL_${name}_SOURCE_DIR}") |
| endforeach() |
| |
| add_custom_command(OUTPUT ${${project_name}_${target_name}_BUILD}/CMakeCache.txt |
| COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" |
| -DCMAKE_MAKE_PROGRAM="${CMAKE_MAKE_PROGRAM}" |
| ${CROSS_TOOLCHAIN_FLAGS_${target_name}} ${CMAKE_CURRENT_SOURCE_DIR} |
| ${CROSS_TOOLCHAIN_FLAGS_${project_name}_${target_name}} |
| -DLLVM_TARGET_IS_CROSSCOMPILE_HOST=TRUE |
| -DLLVM_TARGETS_TO_BUILD="${targets_to_build_arg}" |
| -DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD="${experimental_targets_to_build_arg}" |
| -DLLVM_DEFAULT_TARGET_TRIPLE="${TARGET_TRIPLE}" |
| -DLLVM_TARGET_ARCH="${LLVM_TARGET_ARCH}" |
| -DLLVM_ENABLE_PROJECTS="${llvm_enable_projects_arg}" |
| -DLLVM_EXTERNAL_PROJECTS="${llvm_external_projects_arg}" |
| -DLLVM_ENABLE_RUNTIMES="${llvm_enable_runtimes_arg}" |
| ${external_project_source_dirs} |
| -DLLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN="${LLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN}" |
| ${build_type_flags} ${linker_flag} ${external_clang_dir} |
| ${ARGN} |
| WORKING_DIRECTORY ${${project_name}_${target_name}_BUILD} |
| DEPENDS CREATE_${project_name}_${target_name} |
| COMMENT "Configuring ${target_name} ${project_name}...") |
| |
| add_custom_target(CONFIGURE_${project_name}_${target_name} |
| DEPENDS ${${project_name}_${target_name}_BUILD}/CMakeCache.txt) |
| |
| endfunction() |
| |
| # Sets up a native build for a tool, used e.g. for cross-compilation and |
| # LLVM_OPTIMIZED_TABLEGEN. Always builds in Release. |
| # - target: The target to build natively |
| # - output_path_var: A variable name which receives the path to the built target |
| # - DEPENDS: Any additional dependencies for the target |
| function(build_native_tool target output_path_var) |
| cmake_parse_arguments(ARG "" "" "DEPENDS" ${ARGN}) |
| |
| if(CMAKE_CONFIGURATION_TYPES) |
| set(output_path "${${PROJECT_NAME}_NATIVE_BUILD}/Release/bin/${target}") |
| else() |
| set(output_path "${${PROJECT_NAME}_NATIVE_BUILD}/bin/${target}") |
| endif() |
| set(output_path ${output_path}${LLVM_HOST_EXECUTABLE_SUFFIX}) |
| |
| llvm_ExternalProject_BuildCmd(build_cmd ${target} ${${PROJECT_NAME}_NATIVE_BUILD} |
| CONFIGURATION Release) |
| add_custom_command(OUTPUT "${output_path}" |
| COMMAND ${build_cmd} |
| DEPENDS CONFIGURE_${PROJECT_NAME}_NATIVE ${ARG_DEPENDS} |
| WORKING_DIRECTORY "${${PROJECT_NAME}_NATIVE_BUILD}" |
| COMMENT "Building native ${target}..." |
| USES_TERMINAL) |
| set(${output_path_var} "${output_path}" PARENT_SCOPE) |
| endfunction() |