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 if(LLVM_BUILD_EXTERNAL_COMPILER_RT AND EXISTS ${COMPILER_RT_SRC_ROOT}/) 27 if(CMAKE_GENERATOR MATCHES "Ninja") 28 message(FATAL_ERROR 29 "Ninja generator can't build compiler-rt as ExternalProject." 30 "Unset LLVM_BUILD_EXTERNAL_COMPILER_RT, or don't use Ninja." 31 "See http://www.cmake.org/Bug/view.php?id=14771") 32 endif() 33 34 # Add compiler-rt as an external project. 35 set(COMPILER_RT_PREFIX ${CMAKE_BINARY_DIR}/projects/compiler-rt) 36 37 ExternalProject_Add(compiler-rt 38 PREFIX ${COMPILER_RT_PREFIX} 39 SOURCE_DIR ${COMPILER_RT_SRC_ROOT} 40 CMAKE_ARGS -DCMAKE_C_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang 41 -DCMAKE_CXX_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang++ 42 -DCMAKE_BUILD_TYPE=Release 43 -DLLVM_CONFIG_PATH=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-config 44 -DCOMPILER_RT_OUTPUT_DIR=${LLVM_LIBRARY_OUTPUT_INTDIR}/clang/${CLANG_VERSION} 45 -DCOMPILER_RT_EXEC_OUTPUT_DIR=${LLVM_RUNTIME_OUTPUT_INTDIR} 46 -DCOMPILER_RT_INSTALL_PATH=lib${LLVM_LIBDIR_SUFFIX}/clang/${CLANG_VERSION} 47 -DCOMPILER_RT_INCLUDE_TESTS=${LLVM_INCLUDE_TESTS} 48 -DCOMPILER_RT_ENABLE_WERROR=ON 49 INSTALL_COMMAND "" 50 STEP_TARGETS configure build 51 ) 52 # Due to a bug, DEPENDS in ExternalProject_Add doesn't work 53 # in CMake 2.8.9 and 2.8.10. 54 add_dependencies(compiler-rt llvm-config clang) 55 56 # Add a custom step to always re-configure compiler-rt (in case some of its 57 # sources have changed). 58 ExternalProject_Add_Step(compiler-rt force-reconfigure 59 DEPENDERS configure 60 ALWAYS 1 61 ) 62 63 ExternalProject_Add_Step(compiler-rt clobber 64 COMMAND ${CMAKE_COMMAND} -E remove_directory <BINARY_DIR> 65 COMMAND ${CMAKE_COMMAND} -E make_directory <BINARY_DIR> 66 COMMENT "Clobberring compiler-rt build directory..." 67 DEPENDERS configure 68 DEPENDS ${LLVM_RUNTIME_OUTPUT_INTDIR}/clang 69 ) 70 71 ExternalProject_Get_Property(compiler-rt BINARY_DIR) 72 set(COMPILER_RT_BINARY_DIR ${BINARY_DIR}) 73 74 # Add top-level targets that build specific compiler-rt runtimes. 75 set(COMPILER_RT_RUNTIMES asan builtins dfsan lsan msan profile tsan ubsan) 76 foreach(runtime ${COMPILER_RT_RUNTIMES}) 77 get_ext_project_build_command(build_runtime_cmd ${runtime}) 78 add_custom_target(${runtime} 79 COMMAND ${build_runtime_cmd} 80 DEPENDS compiler-rt-configure 81 WORKING_DIRECTORY ${COMPILER_RT_BINARY_DIR} 82 VERBATIM) 83 endforeach() 84 85 # Add binaries that compiler-rt tests depend on. 86 set(COMPILER_RT_TEST_DEPENDENCIES 87 FileCheck count not llvm-nm llvm-symbolizer) 88 89 # Add top-level targets for various compiler-rt test suites. 90 set(COMPILER_RT_TEST_SUITES check-asan check-dfsan check-lsan check-msan 91 check-sanitizer check-tsan check-ubsan) 92 foreach(test_suite ${COMPILER_RT_TEST_SUITES}) 93 get_ext_project_build_command(run_test_suite ${test_suite}) 94 add_custom_target(${test_suite} 95 COMMAND ${run_test_suite} 96 DEPENDS compiler-rt-build ${COMPILER_RT_TEST_DEPENDENCIES} 97 WORKING_DIRECTORY ${COMPILER_RT_BINARY_DIR} 98 VERBATIM) 99 endforeach() 100 101 # Add special target to run all compiler-rt test suites. 102 get_ext_project_build_command(run_check_compiler_rt check-all) 103 add_custom_target(check-compiler-rt 104 COMMAND ${run_check_compiler_rt} 105 DEPENDS compiler-rt-build ${COMPILER_RT_TEST_DEPENDENCIES} 106 WORKING_DIRECTORY ${COMPILER_RT_BINARY_DIR} 107 VERBATIM) 108 endif() 109
