1 # TODO: Set the install directory. 2 3 include(ExternalProject) 4 5 set(known_subdirs 6 "libcxx" 7 ) 8 9 foreach (dir ${known_subdirs}) 10 if (EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${dir}/CMakeLists.txt) 11 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${dir}) 12 endif() 13 endforeach() 14 15 function(get_ext_project_build_command out_var target) 16 if (CMAKE_GENERATOR MATCHES "Make") 17 # Use special command for Makefiles to support parallelism. 18 set(${out_var} "$(MAKE)" "${target}" PARENT_SCOPE) 19 else() 20 set(${out_var} ${CMAKE_COMMAND} --build . --target ${target} 21 --config $<CONFIGURATION> PARENT_SCOPE) 22 endif() 23 endfunction() 24 25 set(COMPILER_RT_SRC_ROOT ${LLVM_MAIN_SRC_DIR}/projects/compiler-rt) 26 # Fallback to the external path, if the other one isn't available. 27 # This is the same behavior (try "internal", then check the LLVM_EXTERNAL_... 28 # variable) as in add_llvm_external_project 29 if(NOT EXISTS ${COMPILER_RT_SRC_ROOT}) 30 # We don't want to set it if LLVM_EXTERNAL_COMPILER_RT_SOURCE_DIR is "" 31 if(${LLVM_EXTERNAL_COMPILER_RT_SOURCE_DIR}) 32 set(COMPILER_RT_SRC_ROOT ${LLVM_EXTERNAL_COMPILER_RT_SOURCE_DIR}) 33 endif() 34 endif() 35 36 if(LLVM_BUILD_EXTERNAL_COMPILER_RT AND EXISTS ${COMPILER_RT_SRC_ROOT}/) 37 38 # Add compiler-rt as an external project. 39 set(COMPILER_RT_PREFIX ${CMAKE_BINARY_DIR}/projects/compiler-rt) 40 41 set(STAMP_DIR ${CMAKE_CURRENT_BINARY_DIR}/compiler-rt-stamps/) 42 set(BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}/compiler-rt-bins/) 43 44 add_custom_target(compiler-rt-clear 45 COMMAND ${CMAKE_COMMAND} -E remove_directory ${BINARY_DIR} 46 COMMAND ${CMAKE_COMMAND} -E remove_directory ${STAMP_DIR} 47 COMMENT "Clobberring compiler-rt build and stamp directories" 48 ) 49 50 # Find all variables that start with COMPILER_RT and populate a variable with 51 # them. 52 get_cmake_property(variableNames VARIABLES) 53 foreach(variableName ${variableNames}) 54 if(variableName MATCHES "^COMPILER_RT") 55 string(REPLACE ";" "\;" value "${${variableName}}") 56 list(APPEND COMPILER_RT_PASSTHROUGH_VARIABLES 57 -D${variableName}=${value}) 58 endif() 59 endforeach() 60 61 ExternalProject_Add(compiler-rt 62 DEPENDS llvm-config clang 63 PREFIX ${COMPILER_RT_PREFIX} 64 SOURCE_DIR ${COMPILER_RT_SRC_ROOT} 65 STAMP_DIR ${STAMP_DIR} 66 BINARY_DIR ${BINARY_DIR} 67 CMAKE_ARGS ${CLANG_COMPILER_RT_CMAKE_ARGS} 68 -DCMAKE_C_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang 69 -DCMAKE_CXX_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang++ 70 -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} 71 -DCMAKE_MAKE_PROGRAM=${CMAKE_MAKE_PROGRAM} 72 -DLLVM_CONFIG_PATH=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-config 73 -DLLVM_LIT_ARGS=${LLVM_LIT_ARGS} 74 -DCOMPILER_RT_OUTPUT_DIR=${LLVM_LIBRARY_OUTPUT_INTDIR}/clang/${CLANG_VERSION} 75 -DCOMPILER_RT_EXEC_OUTPUT_DIR=${LLVM_RUNTIME_OUTPUT_INTDIR} 76 -DCOMPILER_RT_INSTALL_PATH:STRING=lib${LLVM_LIBDIR_SUFFIX}/clang/${CLANG_VERSION} 77 -DCOMPILER_RT_INCLUDE_TESTS=${LLVM_INCLUDE_TESTS} 78 -DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX} 79 -DLLVM_LIBDIR_SUFFIX=${LLVM_LIBDIR_SUFFIX} 80 ${COMPILER_RT_PASSTHROUGH_VARIABLES} 81 INSTALL_COMMAND "" 82 STEP_TARGETS configure build 83 USES_TERMINAL_CONFIGURE 1 84 USES_TERMINAL_BUILD 1 85 USES_TERMINAL_INSTALL 1 86 ) 87 88 get_ext_project_build_command(run_clean_compiler_rt clean) 89 ExternalProject_Add_Step(compiler-rt clean 90 COMMAND ${run_clean_compiler_rt} 91 COMMENT "Cleaning compiler-rt..." 92 DEPENDEES configure 93 DEPENDERS build 94 DEPENDS clang 95 WORKING_DIRECTORY ${BINARY_DIR} 96 ) 97 98 install(CODE "execute_process\(COMMAND \${CMAKE_COMMAND} -DCMAKE_INSTALL_PREFIX=\${CMAKE_INSTALL_PREFIX} -P ${BINARY_DIR}/cmake_install.cmake \)" 99 COMPONENT compiler-rt) 100 101 add_custom_target(install-compiler-rt 102 DEPENDS compiler-rt 103 COMMAND "${CMAKE_COMMAND}" 104 -DCMAKE_INSTALL_COMPONENT=compiler-rt 105 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake" 106 USES_TERMINAL) 107 108 # Add top-level targets that build specific compiler-rt runtimes. 109 set(COMPILER_RT_RUNTIMES asan builtins dfsan lsan msan profile tsan ubsan) 110 foreach(runtime ${COMPILER_RT_RUNTIMES}) 111 get_ext_project_build_command(build_runtime_cmd ${runtime}) 112 add_custom_target(${runtime} 113 COMMAND ${build_runtime_cmd} 114 DEPENDS compiler-rt-configure 115 WORKING_DIRECTORY ${BINARY_DIR} 116 VERBATIM USES_TERMINAL) 117 endforeach() 118 119 if(LLVM_INCLUDE_TESTS) 120 # Add binaries that compiler-rt tests depend on. 121 set(COMPILER_RT_TEST_DEPENDENCIES 122 FileCheck count not llvm-nm llvm-objdump llvm-symbolizer) 123 124 # Add top-level targets for various compiler-rt test suites. 125 set(COMPILER_RT_TEST_SUITES check-asan check-asan-dynamic check-dfsan 126 check-lsan check-msan check-sanitizer check-tsan check-ubsan 127 check-profile check-cfi check-cfi-and-supported check-safestack) 128 foreach(test_suite ${COMPILER_RT_TEST_SUITES}) 129 get_ext_project_build_command(run_test_suite ${test_suite}) 130 add_custom_target(${test_suite} 131 COMMAND ${run_test_suite} 132 DEPENDS compiler-rt-build ${COMPILER_RT_TEST_DEPENDENCIES} 133 WORKING_DIRECTORY ${BINARY_DIR} 134 VERBATIM 135 USES_TERMINAL 136 ) 137 endforeach() 138 139 # Add special target to run all compiler-rt test suites. 140 get_ext_project_build_command(run_check_compiler_rt check-all) 141 add_custom_target(check-compiler-rt 142 COMMAND ${run_check_compiler_rt} 143 DEPENDS compiler-rt-build ${COMPILER_RT_TEST_DEPENDENCIES} 144 WORKING_DIRECTORY ${BINARY_DIR} 145 VERBATIM USES_TERMINAL) 146 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_DEPENDS check-compiler-rt) 147 endif() 148 endif() 149
