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 $<CONFIG> 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 set(compiler_rt_configure_deps) 62 if(TARGET cxx-headers) 63 list(APPEND compiler_rt_configure_deps "cxx-headers") 64 endif() 65 if(LLVM_INCLUDE_TESTS) 66 list(APPEND compiler_rt_configure_deps LLVMTestingSupport) 67 endif() 68 69 ExternalProject_Add(compiler-rt 70 DEPENDS llvm-config clang ${compiler_rt_configure_deps} 71 PREFIX ${COMPILER_RT_PREFIX} 72 SOURCE_DIR ${COMPILER_RT_SRC_ROOT} 73 STAMP_DIR ${STAMP_DIR} 74 BINARY_DIR ${BINARY_DIR} 75 CMAKE_ARGS ${CLANG_COMPILER_RT_CMAKE_ARGS} 76 -DCMAKE_C_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang 77 -DCMAKE_CXX_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang++ 78 -DCMAKE_ASM_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang 79 -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} 80 -DCMAKE_MAKE_PROGRAM=${CMAKE_MAKE_PROGRAM} 81 -DLLVM_CONFIG_PATH=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-config 82 -DLLVM_LIT_ARGS=${LLVM_LIT_ARGS} 83 -DCOMPILER_RT_OUTPUT_DIR=${LLVM_LIBRARY_OUTPUT_INTDIR}/clang/${CLANG_VERSION} 84 -DCOMPILER_RT_EXEC_OUTPUT_DIR=${LLVM_RUNTIME_OUTPUT_INTDIR} 85 -DCOMPILER_RT_INSTALL_PATH:STRING=lib${LLVM_LIBDIR_SUFFIX}/clang/${CLANG_VERSION} 86 -DCOMPILER_RT_INCLUDE_TESTS=${LLVM_INCLUDE_TESTS} 87 -DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX} 88 -DLLVM_LIBDIR_SUFFIX=${LLVM_LIBDIR_SUFFIX} 89 -DLLVM_RUNTIME_OUTPUT_INTDIR=${LLVM_RUNTIME_OUTPUT_INTDIR} 90 -DCMAKE_OSX_DEPLOYMENT_TARGET=${CMAKE_OSX_DEPLOYMENT_TARGET} 91 -DCMAKE_OSX_SYSROOT:PATH=${CMAKE_OSX_SYSROOT} 92 ${COMPILER_RT_PASSTHROUGH_VARIABLES} 93 INSTALL_COMMAND "" 94 STEP_TARGETS configure build 95 USES_TERMINAL_CONFIGURE 1 96 USES_TERMINAL_BUILD 1 97 USES_TERMINAL_INSTALL 1 98 # Always run the build command so that incremental builds are correct. 99 BUILD_ALWAYS 1 100 ) 101 102 get_ext_project_build_command(run_clean_compiler_rt clean) 103 ExternalProject_Add_Step(compiler-rt clean 104 COMMAND ${run_clean_compiler_rt} 105 COMMENT "Cleaning compiler-rt..." 106 DEPENDEES configure 107 DEPENDERS build 108 DEPENDS clang 109 WORKING_DIRECTORY ${BINARY_DIR} 110 ) 111 112 install(CODE "execute_process\(COMMAND \${CMAKE_COMMAND} -DCMAKE_INSTALL_PREFIX=\${CMAKE_INSTALL_PREFIX} -P ${BINARY_DIR}/cmake_install.cmake \)" 113 COMPONENT compiler-rt) 114 115 add_llvm_install_targets(install-compiler-rt 116 DEPENDS compiler-rt 117 COMPONENT compiler-rt) 118 119 # Add top-level targets that build specific compiler-rt runtimes. 120 set(COMPILER_RT_RUNTIMES fuzzer asan builtins dfsan lsan msan profile tsan ubsan ubsan-minimal) 121 foreach(runtime ${COMPILER_RT_RUNTIMES}) 122 get_ext_project_build_command(build_runtime_cmd ${runtime}) 123 add_custom_target(${runtime} 124 COMMAND ${build_runtime_cmd} 125 DEPENDS compiler-rt-configure 126 WORKING_DIRECTORY ${BINARY_DIR} 127 VERBATIM USES_TERMINAL) 128 endforeach() 129 130 if(LLVM_INCLUDE_TESTS) 131 # Add binaries that compiler-rt tests depend on. 132 set(COMPILER_RT_TEST_DEPENDENCIES 133 FileCheck count not llvm-nm llvm-objdump llvm-symbolizer) 134 135 # Add top-level targets for various compiler-rt test suites. 136 set(COMPILER_RT_TEST_SUITES check-fuzzer check-asan check-hwasan check-asan-dynamic check-dfsan 137 check-lsan check-msan check-sanitizer check-tsan check-ubsan check-ubsan-minimal 138 check-profile check-cfi check-cfi-and-supported check-safestack check-gwp_asan) 139 foreach(test_suite ${COMPILER_RT_TEST_SUITES}) 140 get_ext_project_build_command(run_test_suite ${test_suite}) 141 add_custom_target(${test_suite} 142 COMMAND ${run_test_suite} 143 DEPENDS compiler-rt-build ${COMPILER_RT_TEST_DEPENDENCIES} 144 WORKING_DIRECTORY ${BINARY_DIR} 145 VERBATIM 146 USES_TERMINAL 147 ) 148 endforeach() 149 150 # Add special target to run all compiler-rt test suites. 151 get_ext_project_build_command(run_check_compiler_rt check-all) 152 add_custom_target(check-compiler-rt 153 COMMAND ${run_check_compiler_rt} 154 DEPENDS compiler-rt-build ${COMPILER_RT_TEST_DEPENDENCIES} 155 WORKING_DIRECTORY ${BINARY_DIR} 156 VERBATIM USES_TERMINAL) 157 158 # Add special target to run all compiler-rt test suites. 159 get_ext_project_build_command(run_check_compiler_rt compiler-rt-test-depends) 160 add_custom_target(compiler-rt-test-depends 161 COMMAND ${run_check_compiler_rt} 162 DEPENDS compiler-rt-build ${COMPILER_RT_TEST_DEPENDENCIES} 163 WORKING_DIRECTORY ${BINARY_DIR} 164 VERBATIM USES_TERMINAL) 165 set_property(GLOBAL APPEND PROPERTY LLVM_ADDITIONAL_TEST_DEPENDS compiler-rt-test-depends) 166 set_property(GLOBAL APPEND PROPERTY LLVM_ADDITIONAL_TEST_TARGETS check-compiler-rt) 167 endif() 168 endif() 169
Indexes created Sun Mar 01 05:31:48 UTC 2026