1include(AddLLVM) 2include(LLVMExternalProjectUtils) 3 4 5function(llvm_create_cross_target project_name target_name toolchain buildtype) 6 7 if(NOT DEFINED ${project_name}_${target_name}_BUILD) 8 set(${project_name}_${target_name}_BUILD 9 "${CMAKE_CURRENT_BINARY_DIR}/${target_name}") 10 set(${project_name}_${target_name}_BUILD 11 ${${project_name}_${target_name}_BUILD} PARENT_SCOPE) 12 message(STATUS "Setting native build dir to " ${${project_name}_${target_name}_BUILD}) 13 endif(NOT DEFINED ${project_name}_${target_name}_BUILD) 14 15 if(NOT DEFINED ${project_name}_${target_name}_STAMP) 16 set(${project_name}_${target_name}_STAMP 17 "${CMAKE_CURRENT_BINARY_DIR}/${target_name}-stamps") 18 set(${project_name}_${target_name}_STAMP 19 ${${project_name}_${target_name}_STAMP} PARENT_SCOPE) 20 message(STATUS "Setting native stamp dir to " ${${project_name}_${target_name}_STAMP}) 21 endif(NOT DEFINED ${project_name}_${target_name}_STAMP) 22 23 if (EXISTS ${LLVM_MAIN_SRC_DIR}/cmake/platforms/${toolchain}.cmake) 24 set(CROSS_TOOLCHAIN_FLAGS_INIT 25 -DCMAKE_TOOLCHAIN_FILE=\"${LLVM_MAIN_SRC_DIR}/cmake/platforms/${toolchain}.cmake\") 26 elseif (NOT CMAKE_CROSSCOMPILING) 27 set(CROSS_TOOLCHAIN_FLAGS_INIT 28 -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER} 29 -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER} 30 ) 31 endif() 32 set(CROSS_TOOLCHAIN_FLAGS_${target_name} ${CROSS_TOOLCHAIN_FLAGS_INIT} 33 CACHE STRING "Toolchain configuration for ${target_name}") 34 35 # project specific version of the flags up above 36 set(CROSS_TOOLCHAIN_FLAGS_${project_name}_${target_name} "" 37 CACHE STRING "Toolchain configuration for ${project_name}_${target_name}") 38 39 if (buildtype) 40 set(build_type_flags "-DCMAKE_BUILD_TYPE=${buildtype}") 41 endif() 42 if (LLVM_USE_LINKER AND NOT CMAKE_CROSSCOMPILING) 43 set(linker_flag "-DLLVM_USE_LINKER=${LLVM_USE_LINKER}") 44 endif() 45 if (LLVM_EXTERNAL_CLANG_SOURCE_DIR) 46 # Propagate LLVM_EXTERNAL_CLANG_SOURCE_DIR so that clang-tblgen can be built 47 set(external_clang_dir "-DLLVM_EXTERNAL_CLANG_SOURCE_DIR=${LLVM_EXTERNAL_CLANG_SOURCE_DIR}") 48 endif() 49 50 add_custom_command(OUTPUT ${${project_name}_${target_name}_BUILD} 51 COMMAND ${CMAKE_COMMAND} -E make_directory ${${project_name}_${target_name}_BUILD} 52 COMMENT "Creating ${${project_name}_${target_name}_BUILD}...") 53 54 add_custom_target(CREATE_${project_name}_${target_name} 55 DEPENDS ${${project_name}_${target_name}_BUILD}) 56 get_subproject_title(subproject_title) 57 set_target_properties(CREATE_${project_name}_${target_name} PROPERTIES FOLDER "${subproject_title}/Native") 58 59 # Escape semicolons in the targets list so that cmake doesn't expand 60 # them to spaces. 61 string(REPLACE ";" "$<SEMICOLON>" targets_to_build_arg 62 "${LLVM_TARGETS_TO_BUILD}") 63 string(REPLACE ";" "$<SEMICOLON>" experimental_targets_to_build_arg 64 "${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD}") 65 66 string(REPLACE ";" "$<SEMICOLON>" llvm_enable_projects_arg 67 "${LLVM_ENABLE_PROJECTS}") 68 string(REPLACE ";" "$<SEMICOLON>" llvm_external_projects_arg 69 "${LLVM_EXTERNAL_PROJECTS}") 70 string(REPLACE ";" "$<SEMICOLON>" llvm_enable_runtimes_arg 71 "${LLVM_ENABLE_RUNTIMES}") 72 73 set(external_project_source_dirs) 74 foreach(project ${LLVM_EXTERNAL_PROJECTS}) 75 canonicalize_tool_name(${project} name) 76 list(APPEND external_project_source_dirs 77 "-DLLVM_EXTERNAL_${name}_SOURCE_DIR=${LLVM_EXTERNAL_${name}_SOURCE_DIR}") 78 endforeach() 79 80 if(LLVM_LIBC_GPU_BUILD) 81 set(libc_flags -DLLVM_LIBC_GPU_BUILD=ON) 82 endif() 83 84 add_custom_command(OUTPUT ${${project_name}_${target_name}_BUILD}/CMakeCache.txt 85 COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" 86 -DCMAKE_MAKE_PROGRAM="${CMAKE_MAKE_PROGRAM}" 87 -DCMAKE_C_COMPILER_LAUNCHER="${CMAKE_C_COMPILER_LAUNCHER}" 88 -DCMAKE_CXX_COMPILER_LAUNCHER="${CMAKE_CXX_COMPILER_LAUNCHER}" 89 ${CROSS_TOOLCHAIN_FLAGS_${target_name}} ${CMAKE_CURRENT_SOURCE_DIR} 90 ${CROSS_TOOLCHAIN_FLAGS_${project_name}_${target_name}} 91 -DLLVM_TARGET_IS_CROSSCOMPILE_HOST=TRUE 92 -DLLVM_TARGETS_TO_BUILD="${targets_to_build_arg}" 93 -DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD="${experimental_targets_to_build_arg}" 94 -DLLVM_DEFAULT_TARGET_TRIPLE="${LLVM_TARGET_TRIPLE}" 95 -DLLVM_TARGET_ARCH="${LLVM_TARGET_ARCH}" 96 -DLLVM_ENABLE_PROJECTS="${llvm_enable_projects_arg}" 97 -DLLVM_EXTERNAL_PROJECTS="${llvm_external_projects_arg}" 98 -DLLVM_ENABLE_RUNTIMES="${llvm_enable_runtimes_arg}" 99 ${external_project_source_dirs} 100 -DLLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN="${LLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN}" 101 -DLLVM_INCLUDE_BENCHMARKS=OFF 102 -DLLVM_INCLUDE_TESTS=OFF 103 ${build_type_flags} ${linker_flag} ${external_clang_dir} ${libc_flags} 104 ${ARGN} 105 WORKING_DIRECTORY ${${project_name}_${target_name}_BUILD} 106 DEPENDS CREATE_${project_name}_${target_name} 107 COMMENT "Configuring ${target_name} ${project_name}...") 108 109 add_custom_target(CONFIGURE_${project_name}_${target_name} 110 DEPENDS ${${project_name}_${target_name}_BUILD}/CMakeCache.txt) 111 get_subproject_title(subproject_title) 112 set_target_properties(CONFIGURE_${project_name}_${target_name} PROPERTIES FOLDER "${subproject_title}/Native") 113 114endfunction() 115 116function(get_native_tool_path target output_path_var) 117 if(CMAKE_CONFIGURATION_TYPES) 118 set(output_path "${${PROJECT_NAME}_NATIVE_BUILD}/Release/bin/${target}") 119 else() 120 set(output_path "${${PROJECT_NAME}_NATIVE_BUILD}/bin/${target}") 121 endif() 122 set(${output_path_var} ${output_path}${LLVM_HOST_EXECUTABLE_SUFFIX} PARENT_SCOPE) 123endfunction() 124 125# Sets up a native build for a tool, used e.g. for cross-compilation and 126# LLVM_OPTIMIZED_TABLEGEN. Always builds in Release. 127# - target: The target to build natively 128# - output_path_var: A variable name which receives the path to the built target 129# - DEPENDS: Any additional dependencies for the target 130function(build_native_tool target output_path_var) 131 cmake_parse_arguments(ARG "" "" "DEPENDS" ${ARGN}) 132 133 get_native_tool_path(${target} output_path) 134 135 # Make chain of preceding actions 136 if(CMAKE_GENERATOR MATCHES "Visual Studio") 137 get_property(host_targets GLOBAL PROPERTY ${PROJECT_NAME}_HOST_TARGETS) 138 set_property(GLOBAL APPEND PROPERTY ${PROJECT_NAME}_HOST_TARGETS ${output_path}) 139 endif() 140 141 llvm_ExternalProject_BuildCmd(build_cmd ${target} 142 ${${PROJECT_NAME}_NATIVE_BUILD} 143 ${${PROJECT_NAME}_NATIVE_STAMP} 144 CONFIGURATION Release) 145 add_custom_command(OUTPUT "${output_path}" 146 COMMAND ${build_cmd} 147 DEPENDS CONFIGURE_${PROJECT_NAME}_NATIVE ${ARG_DEPENDS} ${host_targets} 148 WORKING_DIRECTORY "${${PROJECT_NAME}_NATIVE_BUILD}" 149 COMMENT "Building native ${target}..." 150 USES_TERMINAL 151 VERBATIM) 152 set(${output_path_var} "${output_path}" PARENT_SCOPE) 153endfunction() 154