1include(ExternalProject) 2include(CompilerRTUtils) 3include(HandleCompilerRT) 4 5function(set_target_output_directories target output_dir) 6 # For RUNTIME_OUTPUT_DIRECTORY variable, Multi-configuration generators 7 # append a per-configuration subdirectory to the specified directory. 8 # To avoid the appended folder, the configuration specific variable must be 9 # set 'RUNTIME_OUTPUT_DIRECTORY_${CONF}': 10 # RUNTIME_OUTPUT_DIRECTORY_DEBUG, RUNTIME_OUTPUT_DIRECTORY_RELEASE, ... 11 if(CMAKE_CONFIGURATION_TYPES) 12 foreach(build_mode ${CMAKE_CONFIGURATION_TYPES}) 13 string(TOUPPER "${build_mode}" CONFIG_SUFFIX) 14 set_target_properties("${target}" PROPERTIES 15 "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${output_dir} 16 "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${output_dir} 17 "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${output_dir}) 18 endforeach() 19 else() 20 set_target_properties("${target}" PROPERTIES 21 ARCHIVE_OUTPUT_DIRECTORY ${output_dir} 22 LIBRARY_OUTPUT_DIRECTORY ${output_dir} 23 RUNTIME_OUTPUT_DIRECTORY ${output_dir}) 24 endif() 25endfunction() 26 27# Tries to add an "object library" target for a given list of OSs and/or 28# architectures with name "<name>.<arch>" for non-Darwin platforms if 29# architecture can be targeted, and "<name>.<os>" for Darwin platforms. 30# add_compiler_rt_object_libraries(<name> 31# OS <os names> 32# ARCHS <architectures> 33# SOURCES <source files> 34# CFLAGS <compile flags> 35# DEFS <compile definitions> 36# DEPS <dependencies> 37# ADDITIONAL_HEADERS <header files>) 38function(add_compiler_rt_object_libraries name) 39 cmake_parse_arguments(LIB "" "" "OS;ARCHS;SOURCES;CFLAGS;DEFS;DEPS;ADDITIONAL_HEADERS" 40 ${ARGN}) 41 set(libnames) 42 if(APPLE) 43 foreach(os ${LIB_OS}) 44 set(libname "${name}.${os}") 45 set(libnames ${libnames} ${libname}) 46 set(extra_cflags_${libname} ${DARWIN_${os}_CFLAGS}) 47 list_intersect(LIB_ARCHS_${libname} DARWIN_${os}_ARCHS LIB_ARCHS) 48 endforeach() 49 else() 50 foreach(arch ${LIB_ARCHS}) 51 set(libname "${name}.${arch}") 52 set(libnames ${libnames} ${libname}) 53 set(extra_cflags_${libname} ${TARGET_${arch}_CFLAGS}) 54 if(NOT CAN_TARGET_${arch}) 55 message(FATAL_ERROR "Architecture ${arch} can't be targeted") 56 return() 57 endif() 58 endforeach() 59 endif() 60 61 # Add headers to LIB_SOURCES for IDEs 62 compiler_rt_process_sources(LIB_SOURCES 63 ${LIB_SOURCES} 64 ADDITIONAL_HEADERS 65 ${LIB_ADDITIONAL_HEADERS} 66 ) 67 68 foreach(libname ${libnames}) 69 add_library(${libname} OBJECT ${LIB_SOURCES}) 70 if(LIB_DEPS) 71 add_dependencies(${libname} ${LIB_DEPS}) 72 endif() 73 74 # Strip out -msse3 if this isn't macOS. 75 set(target_flags ${LIB_CFLAGS}) 76 if(APPLE AND NOT "${libname}" MATCHES ".*\.osx.*") 77 list(REMOVE_ITEM target_flags "-msse3") 78 endif() 79 80 set_target_compile_flags(${libname} 81 ${extra_cflags_${libname}} ${target_flags}) 82 set_property(TARGET ${libname} APPEND PROPERTY 83 COMPILE_DEFINITIONS ${LIB_DEFS}) 84 set_target_properties(${libname} PROPERTIES FOLDER "Compiler-RT Libraries") 85 if(APPLE) 86 set_target_properties(${libname} PROPERTIES 87 OSX_ARCHITECTURES "${LIB_ARCHS_${libname}}") 88 endif() 89 endforeach() 90endfunction() 91 92# Takes a list of object library targets, and a suffix and appends the proper 93# TARGET_OBJECTS string to the output variable. 94# format_object_libs(<output> <suffix> ...) 95macro(format_object_libs output suffix) 96 foreach(lib ${ARGN}) 97 list(APPEND ${output} $<TARGET_OBJECTS:${lib}.${suffix}>) 98 endforeach() 99endmacro() 100 101function(add_compiler_rt_component name) 102 add_custom_target(${name}) 103 set_target_properties(${name} PROPERTIES FOLDER "Compiler-RT Misc") 104 if(COMMAND runtime_register_component) 105 runtime_register_component(${name}) 106 endif() 107 add_dependencies(compiler-rt ${name}) 108endfunction() 109 110function(add_asm_sources output) 111 set(${output} ${ARGN} PARENT_SCOPE) 112 # CMake doesn't pass the correct architecture for Apple prior to CMake 3.19. https://gitlab.kitware.com/cmake/cmake/-/issues/20771 113 # MinGW didn't work correctly with assembly prior to CMake 3.17. https://gitlab.kitware.com/cmake/cmake/-/merge_requests/4287 and https://reviews.llvm.org/rGb780df052dd2b246a760d00e00f7de9ebdab9d09 114 # Workaround these two issues by compiling as C. 115 # Same workaround used in libunwind. Also update there if changed here. 116 if((APPLE AND CMAKE_VERSION VERSION_LESS 3.19) OR (MINGW AND CMAKE_VERSION VERSION_LESS 3.17)) 117 set_source_files_properties(${ARGN} PROPERTIES LANGUAGE C) 118 endif() 119endfunction() 120 121macro(set_output_name output name arch) 122 if(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR) 123 set(${output} ${name}) 124 else() 125 if(ANDROID AND ${arch} STREQUAL "i386") 126 set(${output} "${name}-i686${COMPILER_RT_OS_SUFFIX}") 127 else() 128 set(${output} "${name}-${arch}${COMPILER_RT_OS_SUFFIX}") 129 endif() 130 endif() 131endmacro() 132 133# Adds static or shared runtime for a list of architectures and operating 134# systems and puts it in the proper directory in the build and install trees. 135# add_compiler_rt_runtime(<name> 136# {OBJECT|STATIC|SHARED} 137# ARCHS <architectures> 138# OS <os list> 139# SOURCES <source files> 140# CFLAGS <compile flags> 141# LINK_FLAGS <linker flags> 142# DEFS <compile definitions> 143# DEPS <dependencies> 144# LINK_LIBS <linked libraries> (only for shared library) 145# OBJECT_LIBS <object libraries to use as sources> 146# PARENT_TARGET <convenience parent target> 147# ADDITIONAL_HEADERS <header files>) 148function(add_compiler_rt_runtime name type) 149 if(NOT type MATCHES "^(OBJECT|STATIC|SHARED)$") 150 message(FATAL_ERROR "type argument must be OBJECT, STATIC or SHARED") 151 return() 152 endif() 153 cmake_parse_arguments(LIB 154 "" 155 "PARENT_TARGET" 156 "OS;ARCHS;SOURCES;CFLAGS;LINK_FLAGS;DEFS;DEPS;LINK_LIBS;OBJECT_LIBS;ADDITIONAL_HEADERS" 157 ${ARGN}) 158 set(libnames) 159 # Until we support this some other way, build compiler-rt runtime without LTO 160 # to allow non-LTO projects to link with it. 161 if(COMPILER_RT_HAS_FNO_LTO_FLAG) 162 set(NO_LTO_FLAGS "-fno-lto") 163 else() 164 set(NO_LTO_FLAGS "") 165 endif() 166 167 # By default do not instrument or use profdata for compiler-rt. 168 set(NO_PGO_FLAGS "") 169 if(NOT COMPILER_RT_ENABLE_PGO) 170 if(LLVM_PROFDATA_FILE AND COMPILER_RT_HAS_FNO_PROFILE_INSTR_USE_FLAG) 171 list(APPEND NO_PGO_FLAGS "-fno-profile-instr-use") 172 endif() 173 if(LLVM_BUILD_INSTRUMENTED MATCHES IR AND COMPILER_RT_HAS_FNO_PROFILE_GENERATE_FLAG) 174 list(APPEND NO_PGO_FLAGS "-fno-profile-generate") 175 elseif(LLVM_BUILD_INSTRUMENTED AND COMPILER_RT_HAS_FNO_PROFILE_INSTR_GENERATE_FLAG) 176 list(APPEND NO_PGO_FLAGS "-fno-profile-instr-generate") 177 endif() 178 endif() 179 180 list(LENGTH LIB_SOURCES LIB_SOURCES_LENGTH) 181 if (${LIB_SOURCES_LENGTH} GREATER 0) 182 # Add headers to LIB_SOURCES for IDEs. It doesn't make sense to 183 # do this for a runtime library that only consists of OBJECT 184 # libraries, so only add the headers when source files are present. 185 compiler_rt_process_sources(LIB_SOURCES 186 ${LIB_SOURCES} 187 ADDITIONAL_HEADERS 188 ${LIB_ADDITIONAL_HEADERS} 189 ) 190 endif() 191 192 if(APPLE) 193 foreach(os ${LIB_OS}) 194 # Strip out -msse3 if this isn't macOS. 195 list(LENGTH LIB_CFLAGS HAS_EXTRA_CFLAGS) 196 if(HAS_EXTRA_CFLAGS AND NOT "${os}" MATCHES "^(osx)$") 197 list(REMOVE_ITEM LIB_CFLAGS "-msse3") 198 endif() 199 if(type STREQUAL "STATIC") 200 set(libname "${name}_${os}") 201 else() 202 set(libname "${name}_${os}_dynamic") 203 set(extra_link_flags_${libname} ${DARWIN_${os}_LINK_FLAGS} ${LIB_LINK_FLAGS}) 204 endif() 205 list_intersect(LIB_ARCHS_${libname} DARWIN_${os}_ARCHS LIB_ARCHS) 206 if(LIB_ARCHS_${libname}) 207 list(APPEND libnames ${libname}) 208 set(extra_cflags_${libname} ${DARWIN_${os}_CFLAGS} ${NO_LTO_FLAGS} ${NO_PGO_FLAGS} ${LIB_CFLAGS}) 209 set(output_name_${libname} ${libname}${COMPILER_RT_OS_SUFFIX}) 210 set(sources_${libname} ${LIB_SOURCES}) 211 format_object_libs(sources_${libname} ${os} ${LIB_OBJECT_LIBS}) 212 get_compiler_rt_output_dir(${COMPILER_RT_DEFAULT_TARGET_ARCH} output_dir_${libname}) 213 get_compiler_rt_install_dir(${COMPILER_RT_DEFAULT_TARGET_ARCH} install_dir_${libname}) 214 endif() 215 endforeach() 216 else() 217 foreach(arch ${LIB_ARCHS}) 218 if(NOT CAN_TARGET_${arch}) 219 message(FATAL_ERROR "Architecture ${arch} can't be targeted") 220 return() 221 endif() 222 if(type STREQUAL "OBJECT") 223 set(libname "${name}-${arch}") 224 set_output_name(output_name_${libname} ${name}${COMPILER_RT_OS_SUFFIX} ${arch}) 225 elseif(type STREQUAL "STATIC") 226 set(libname "${name}-${arch}") 227 set_output_name(output_name_${libname} ${name} ${arch}) 228 else() 229 set(libname "${name}-dynamic-${arch}") 230 set(extra_cflags_${libname} ${TARGET_${arch}_CFLAGS} ${LIB_CFLAGS}) 231 set(extra_link_flags_${libname} ${TARGET_${arch}_LINK_FLAGS} ${LIB_LINK_FLAGS}) 232 if(WIN32) 233 set_output_name(output_name_${libname} ${name}_dynamic ${arch}) 234 else() 235 set_output_name(output_name_${libname} ${name} ${arch}) 236 endif() 237 endif() 238 if(COMPILER_RT_USE_BUILTINS_LIBRARY AND NOT type STREQUAL "OBJECT" AND 239 NOT name STREQUAL "clang_rt.builtins") 240 get_compiler_rt_target(${arch} target) 241 find_compiler_rt_library(builtins ${target} builtins_${libname}) 242 if(builtins_${libname} STREQUAL "NOTFOUND") 243 message(FATAL_ERROR "Cannot find builtins library for the target architecture") 244 endif() 245 endif() 246 set(sources_${libname} ${LIB_SOURCES}) 247 format_object_libs(sources_${libname} ${arch} ${LIB_OBJECT_LIBS}) 248 set(libnames ${libnames} ${libname}) 249 set(extra_cflags_${libname} ${TARGET_${arch}_CFLAGS} ${NO_LTO_FLAGS} ${NO_PGO_FLAGS} ${LIB_CFLAGS}) 250 get_compiler_rt_output_dir(${arch} output_dir_${libname}) 251 get_compiler_rt_install_dir(${arch} install_dir_${libname}) 252 endforeach() 253 endif() 254 255 if(NOT libnames) 256 return() 257 endif() 258 259 if(LIB_PARENT_TARGET) 260 # If the parent targets aren't created we should create them 261 if(NOT TARGET ${LIB_PARENT_TARGET}) 262 add_custom_target(${LIB_PARENT_TARGET}) 263 set_target_properties(${LIB_PARENT_TARGET} PROPERTIES 264 FOLDER "Compiler-RT Misc") 265 endif() 266 endif() 267 268 foreach(libname ${libnames}) 269 # If you are using a multi-configuration generator we don't generate 270 # per-library install rules, so we fall back to the parent target COMPONENT 271 if(CMAKE_CONFIGURATION_TYPES AND LIB_PARENT_TARGET) 272 set(COMPONENT_OPTION COMPONENT ${LIB_PARENT_TARGET}) 273 else() 274 set(COMPONENT_OPTION COMPONENT ${libname}) 275 endif() 276 277 if(type STREQUAL "OBJECT") 278 if(CMAKE_C_COMPILER_ID MATCHES Clang AND CMAKE_C_COMPILER_TARGET) 279 list(APPEND extra_cflags_${libname} "--target=${CMAKE_C_COMPILER_TARGET}") 280 endif() 281 if(CMAKE_SYSROOT) 282 list(APPEND extra_cflags_${libname} "--sysroot=${CMAKE_SYSROOT}") 283 endif() 284 string(REPLACE ";" " " extra_cflags_${libname} "${extra_cflags_${libname}}") 285 string(REGEX MATCHALL "<[A-Za-z0-9_]*>" substitutions 286 ${CMAKE_C_COMPILE_OBJECT}) 287 set(compile_command_${libname} "${CMAKE_C_COMPILE_OBJECT}") 288 289 set(output_file_${libname} ${output_name_${libname}}${CMAKE_C_OUTPUT_EXTENSION}) 290 foreach(substitution ${substitutions}) 291 if(substitution STREQUAL "<CMAKE_C_COMPILER>") 292 string(REPLACE "<CMAKE_C_COMPILER>" "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}" 293 compile_command_${libname} ${compile_command_${libname}}) 294 elseif(substitution STREQUAL "<OBJECT>") 295 string(REPLACE "<OBJECT>" "${output_dir_${libname}}/${output_file_${libname}}" 296 compile_command_${libname} ${compile_command_${libname}}) 297 elseif(substitution STREQUAL "<SOURCE>") 298 string(REPLACE "<SOURCE>" "${sources_${libname}}" 299 compile_command_${libname} ${compile_command_${libname}}) 300 elseif(substitution STREQUAL "<FLAGS>") 301 string(REPLACE "<FLAGS>" "${CMAKE_C_FLAGS} ${extra_cflags_${libname}}" 302 compile_command_${libname} ${compile_command_${libname}}) 303 else() 304 string(REPLACE "${substitution}" "" compile_command_${libname} 305 ${compile_command_${libname}}) 306 endif() 307 endforeach() 308 separate_arguments(compile_command_${libname}) 309 add_custom_command( 310 OUTPUT ${output_dir_${libname}}/${output_file_${libname}} 311 COMMAND ${compile_command_${libname}} 312 DEPENDS ${sources_${libname}} 313 COMMENT "Building C object ${output_file_${libname}}") 314 add_custom_target(${libname} DEPENDS ${output_dir_${libname}}/${output_file_${libname}}) 315 install(FILES ${output_dir_${libname}}/${output_file_${libname}} 316 DESTINATION ${install_dir_${libname}} 317 ${COMPONENT_OPTION}) 318 else() 319 add_library(${libname} ${type} ${sources_${libname}}) 320 set_target_compile_flags(${libname} ${extra_cflags_${libname}}) 321 set_target_link_flags(${libname} ${extra_link_flags_${libname}}) 322 set_property(TARGET ${libname} APPEND PROPERTY 323 COMPILE_DEFINITIONS ${LIB_DEFS}) 324 set_target_output_directories(${libname} ${output_dir_${libname}}) 325 install(TARGETS ${libname} 326 ARCHIVE DESTINATION ${install_dir_${libname}} 327 ${COMPONENT_OPTION} 328 LIBRARY DESTINATION ${install_dir_${libname}} 329 ${COMPONENT_OPTION} 330 RUNTIME DESTINATION ${install_dir_${libname}} 331 ${COMPONENT_OPTION}) 332 endif() 333 if(LIB_DEPS) 334 add_dependencies(${libname} ${LIB_DEPS}) 335 endif() 336 set_target_properties(${libname} PROPERTIES 337 OUTPUT_NAME ${output_name_${libname}}) 338 set_target_properties(${libname} PROPERTIES FOLDER "Compiler-RT Runtime") 339 if(LIB_LINK_LIBS) 340 target_link_libraries(${libname} PRIVATE ${LIB_LINK_LIBS}) 341 endif() 342 if(builtins_${libname}) 343 target_link_libraries(${libname} PRIVATE ${builtins_${libname}}) 344 endif() 345 if(${type} STREQUAL "SHARED") 346 if(COMMAND llvm_setup_rpath) 347 llvm_setup_rpath(${libname}) 348 endif() 349 if(WIN32 AND NOT CYGWIN AND NOT MINGW) 350 set_target_properties(${libname} PROPERTIES IMPORT_PREFIX "") 351 set_target_properties(${libname} PROPERTIES IMPORT_SUFFIX ".lib") 352 endif() 353 if(APPLE) 354 # Ad-hoc sign the dylibs 355 add_custom_command(TARGET ${libname} 356 POST_BUILD 357 COMMAND codesign --sign - $<TARGET_FILE:${libname}> 358 WORKING_DIRECTORY ${COMPILER_RT_LIBRARY_OUTPUT_DIR} 359 ) 360 endif() 361 endif() 362 363 set(parent_target_arg) 364 if(LIB_PARENT_TARGET) 365 set(parent_target_arg PARENT_TARGET ${LIB_PARENT_TARGET}) 366 endif() 367 add_compiler_rt_install_targets(${libname} ${parent_target_arg}) 368 369 if(APPLE) 370 set_target_properties(${libname} PROPERTIES 371 OSX_ARCHITECTURES "${LIB_ARCHS_${libname}}") 372 endif() 373 374 if(type STREQUAL "SHARED") 375 rt_externalize_debuginfo(${libname}) 376 endif() 377 endforeach() 378 if(LIB_PARENT_TARGET) 379 add_dependencies(${LIB_PARENT_TARGET} ${libnames}) 380 endif() 381endfunction() 382 383# Compile and register compiler-rt tests. 384# generate_compiler_rt_tests(<output object files> <test_suite> <test_name> 385# <test architecture> 386# KIND <custom prefix> 387# SUBDIR <subdirectory for testing binary> 388# SOURCES <sources to compile> 389# RUNTIME <tests runtime to link in> 390# CFLAGS <compile-time flags> 391# COMPILE_DEPS <compile-time dependencies> 392# DEPS <dependencies> 393# LINK_FLAGS <flags to use during linking> 394# ) 395function(generate_compiler_rt_tests test_objects test_suite testname arch) 396 cmake_parse_arguments(TEST "" "KIND;RUNTIME;SUBDIR" 397 "SOURCES;COMPILE_DEPS;DEPS;CFLAGS;LINK_FLAGS" ${ARGN}) 398 399 foreach(source ${TEST_SOURCES}) 400 sanitizer_test_compile( 401 "${test_objects}" "${source}" "${arch}" 402 KIND ${TEST_KIND} 403 COMPILE_DEPS ${TEST_COMPILE_DEPS} 404 DEPS ${TEST_DEPS} 405 CFLAGS ${TEST_CFLAGS} 406 ) 407 endforeach() 408 409 set(TEST_DEPS ${${test_objects}}) 410 411 if(NOT "${TEST_RUNTIME}" STREQUAL "") 412 list(APPEND TEST_DEPS ${TEST_RUNTIME}) 413 list(APPEND "${test_objects}" $<TARGET_FILE:${TEST_RUNTIME}>) 414 endif() 415 416 add_compiler_rt_test(${test_suite} "${testname}" "${arch}" 417 SUBDIR ${TEST_SUBDIR} 418 OBJECTS ${${test_objects}} 419 DEPS ${TEST_DEPS} 420 LINK_FLAGS ${TEST_LINK_FLAGS} 421 ) 422 set("${test_objects}" "${${test_objects}}" PARENT_SCOPE) 423endfunction() 424 425# Link objects into a single executable with COMPILER_RT_TEST_COMPILER, 426# using specified link flags. Make executable a part of provided 427# test_suite. 428# add_compiler_rt_test(<test_suite> <test_name> <arch> 429# SUBDIR <subdirectory for binary> 430# OBJECTS <object files> 431# DEPS <deps (e.g. runtime libs)> 432# LINK_FLAGS <link flags>) 433function(add_compiler_rt_test test_suite test_name arch) 434 cmake_parse_arguments(TEST "" "SUBDIR" "OBJECTS;DEPS;LINK_FLAGS" "" ${ARGN}) 435 set(output_dir ${CMAKE_CURRENT_BINARY_DIR}) 436 if(TEST_SUBDIR) 437 set(output_dir "${output_dir}/${TEST_SUBDIR}") 438 endif() 439 set(output_dir "${output_dir}/${CMAKE_CFG_INTDIR}") 440 file(MAKE_DIRECTORY "${output_dir}") 441 set(output_bin "${output_dir}/${test_name}") 442 if(MSVC) 443 set(output_bin "${output_bin}.exe") 444 endif() 445 446 # Use host compiler in a standalone build, and just-built Clang otherwise. 447 if(NOT COMPILER_RT_STANDALONE_BUILD) 448 list(APPEND TEST_DEPS clang) 449 endif() 450 451 get_target_flags_for_arch(${arch} TARGET_LINK_FLAGS) 452 list(APPEND TEST_LINK_FLAGS ${TARGET_LINK_FLAGS}) 453 454 # If we're not on MSVC, include the linker flags from CMAKE but override them 455 # with the provided link flags. This ensures that flags which are required to 456 # link programs at all are included, but the changes needed for the test 457 # trump. With MSVC we can't do that because CMake is set up to run link.exe 458 # when linking, not the compiler. Here, we hack it to use the compiler 459 # because we want to use -fsanitize flags. 460 461 # Only add CMAKE_EXE_LINKER_FLAGS when in a standalone bulid. 462 # Or else CMAKE_EXE_LINKER_FLAGS contains flags for build compiler of Clang/llvm. 463 # This might not be the same as what the COMPILER_RT_TEST_COMPILER supports. 464 # eg: the build compiler use lld linker and we build clang with default ld linker 465 # then to be tested clang will complain about lld options like --color-diagnostics. 466 if(NOT MSVC AND COMPILER_RT_STANDALONE_BUILD) 467 set(TEST_LINK_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${TEST_LINK_FLAGS}") 468 separate_arguments(TEST_LINK_FLAGS) 469 endif() 470 if(NOT COMPILER_RT_STANDALONE_BUILD AND COMPILER_RT_HAS_LLD AND "lld" IN_LIST LLVM_ENABLE_PROJECTS) 471 # CMAKE_EXE_LINKER_FLAGS may contain -fuse=lld 472 # FIXME: -DLLVM_ENABLE_LLD=ON and -DLLVM_ENABLE_PROJECTS without lld case. 473 list(APPEND TEST_DEPS lld) 474 endif() 475 add_custom_command( 476 OUTPUT "${output_bin}" 477 COMMAND ${COMPILER_RT_TEST_COMPILER} ${TEST_OBJECTS} -o "${output_bin}" 478 ${TEST_LINK_FLAGS} 479 DEPENDS ${TEST_DEPS} 480 ) 481 add_custom_target(T${test_name} DEPENDS "${output_bin}") 482 set_target_properties(T${test_name} PROPERTIES FOLDER "Compiler-RT Tests") 483 484 # Make the test suite depend on the binary. 485 add_dependencies(${test_suite} T${test_name}) 486endfunction() 487 488macro(add_compiler_rt_resource_file target_name file_name component) 489 set(src_file "${CMAKE_CURRENT_SOURCE_DIR}/${file_name}") 490 set(dst_file "${COMPILER_RT_OUTPUT_DIR}/share/${file_name}") 491 add_custom_command(OUTPUT ${dst_file} 492 DEPENDS ${src_file} 493 COMMAND ${CMAKE_COMMAND} -E copy_if_different ${src_file} ${dst_file} 494 COMMENT "Copying ${file_name}...") 495 add_custom_target(${target_name} DEPENDS ${dst_file}) 496 # Install in Clang resource directory. 497 install(FILES ${file_name} 498 DESTINATION ${COMPILER_RT_INSTALL_PATH}/share 499 COMPONENT ${component}) 500 add_dependencies(${component} ${target_name}) 501 502 set_target_properties(${target_name} PROPERTIES FOLDER "Compiler-RT Misc") 503endmacro() 504 505macro(add_compiler_rt_script name) 506 set(dst ${COMPILER_RT_EXEC_OUTPUT_DIR}/${name}) 507 set(src ${CMAKE_CURRENT_SOURCE_DIR}/${name}) 508 add_custom_command(OUTPUT ${dst} 509 DEPENDS ${src} 510 COMMAND ${CMAKE_COMMAND} -E copy_if_different ${src} ${dst} 511 COMMENT "Copying ${name}...") 512 add_custom_target(${name} DEPENDS ${dst}) 513 install(FILES ${dst} 514 PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE 515 DESTINATION ${COMPILER_RT_INSTALL_PATH}/bin) 516endmacro(add_compiler_rt_script src name) 517 518# Builds custom version of libc++ and installs it in <prefix>. 519# Can be used to build sanitized versions of libc++ for running unit tests. 520# add_custom_libcxx(<name> <prefix> 521# DEPS <list of build deps> 522# CFLAGS <list of compile flags> 523# USE_TOOLCHAIN) 524macro(add_custom_libcxx name prefix) 525 if(NOT COMPILER_RT_LIBCXX_PATH) 526 message(FATAL_ERROR "libcxx not found!") 527 endif() 528 if(NOT COMPILER_RT_LIBCXXABI_PATH) 529 message(FATAL_ERROR "libcxxabi not found!") 530 endif() 531 532 cmake_parse_arguments(LIBCXX "USE_TOOLCHAIN" "" "DEPS;CFLAGS;CMAKE_ARGS" ${ARGN}) 533 534 if(LIBCXX_USE_TOOLCHAIN) 535 set(compiler_args -DCMAKE_C_COMPILER=${COMPILER_RT_TEST_COMPILER} 536 -DCMAKE_CXX_COMPILER=${COMPILER_RT_TEST_CXX_COMPILER}) 537 if(NOT COMPILER_RT_STANDALONE_BUILD AND NOT LLVM_RUNTIMES_BUILD) 538 set(toolchain_deps $<TARGET_FILE:clang>) 539 set(force_deps DEPENDS $<TARGET_FILE:clang>) 540 endif() 541 else() 542 set(compiler_args -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER} 543 -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}) 544 endif() 545 546 set(STAMP_DIR ${prefix}-stamps/) 547 set(BINARY_DIR ${prefix}-bins/) 548 549 add_custom_target(${name}-clear 550 COMMAND ${CMAKE_COMMAND} -E remove_directory ${BINARY_DIR} 551 COMMAND ${CMAKE_COMMAND} -E remove_directory ${STAMP_DIR} 552 COMMENT "Clobbering ${name} build and stamp directories" 553 USES_TERMINAL 554 ) 555 set_target_properties(${name}-clear PROPERTIES FOLDER "Compiler-RT Misc") 556 557 add_custom_command( 558 OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${name}-clobber-stamp 559 DEPENDS ${LIBCXX_DEPS} ${toolchain_deps} 560 COMMAND ${CMAKE_COMMAND} -E touch ${BINARY_DIR}/CMakeCache.txt 561 COMMAND ${CMAKE_COMMAND} -E touch ${STAMP_DIR}/${name}-mkdir 562 COMMAND ${CMAKE_COMMAND} -E touch ${CMAKE_CURRENT_BINARY_DIR}/${name}-clobber-stamp 563 COMMENT "Clobbering bootstrap build and stamp directories" 564 ) 565 566 add_custom_target(${name}-clobber 567 DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${name}-clobber-stamp) 568 set_target_properties(${name}-clobber PROPERTIES FOLDER "Compiler-RT Misc") 569 570 set(PASSTHROUGH_VARIABLES 571 CMAKE_C_COMPILER_TARGET 572 CMAKE_CXX_COMPILER_TARGET 573 CMAKE_SHARED_LINKER_FLAGS 574 CMAKE_MODULE_LINKER_FLAGS 575 CMAKE_EXE_LINKER_FLAGS 576 CMAKE_INSTALL_PREFIX 577 CMAKE_MAKE_PROGRAM 578 CMAKE_LINKER 579 CMAKE_AR 580 CMAKE_RANLIB 581 CMAKE_NM 582 CMAKE_OBJCOPY 583 CMAKE_OBJDUMP 584 CMAKE_STRIP 585 CMAKE_SYSROOT 586 LIBCXX_HAS_MUSL_LIBC 587 PYTHON_EXECUTABLE 588 Python3_EXECUTABLE 589 Python2_EXECUTABLE 590 CMAKE_SYSTEM_NAME) 591 foreach(variable ${PASSTHROUGH_VARIABLES}) 592 get_property(is_value_set CACHE ${variable} PROPERTY VALUE SET) 593 if(${is_value_set}) 594 get_property(value CACHE ${variable} PROPERTY VALUE) 595 list(APPEND CMAKE_PASSTHROUGH_VARIABLES -D${variable}=${value}) 596 endif() 597 endforeach() 598 599 string(REPLACE ";" " " LIBCXX_C_FLAGS "${LIBCXX_CFLAGS}") 600 get_property(C_FLAGS CACHE CMAKE_C_FLAGS PROPERTY VALUE) 601 set(LIBCXX_C_FLAGS "${LIBCXX_C_FLAGS} ${C_FLAGS}") 602 603 string(REPLACE ";" " " LIBCXX_CXX_FLAGS "${LIBCXX_CFLAGS}") 604 get_property(CXX_FLAGS CACHE CMAKE_CXX_FLAGS PROPERTY VALUE) 605 set(LIBCXX_CXX_FLAGS "${LIBCXX_CXX_FLAGS} ${CXX_FLAGS}") 606 607 ExternalProject_Add(${name} 608 DEPENDS ${name}-clobber ${LIBCXX_DEPS} 609 PREFIX ${prefix} 610 SOURCE_DIR ${COMPILER_RT_SOURCE_DIR}/cmake/Modules/CustomLibcxx 611 STAMP_DIR ${STAMP_DIR} 612 BINARY_DIR ${BINARY_DIR} 613 CMAKE_ARGS ${CMAKE_PASSTHROUGH_VARIABLES} 614 ${compiler_args} 615 -DCMAKE_C_FLAGS=${LIBCXX_C_FLAGS} 616 -DCMAKE_CXX_FLAGS=${LIBCXX_CXX_FLAGS} 617 -DCMAKE_BUILD_TYPE=Release 618 -DCMAKE_TRY_COMPILE_TARGET_TYPE=STATIC_LIBRARY 619 -DLLVM_PATH=${LLVM_MAIN_SRC_DIR} 620 -DLLVM_BINARY_DIR=${prefix} 621 -DLLVM_LIBRARY_OUTPUT_INTDIR=${prefix}/lib 622 -DCOMPILER_RT_LIBCXX_PATH=${COMPILER_RT_LIBCXX_PATH} 623 -DCOMPILER_RT_LIBCXXABI_PATH=${COMPILER_RT_LIBCXXABI_PATH} 624 ${LIBCXX_CMAKE_ARGS} 625 INSTALL_COMMAND "" 626 STEP_TARGETS configure build 627 BUILD_ALWAYS 1 628 USES_TERMINAL_CONFIGURE 1 629 USES_TERMINAL_BUILD 1 630 USES_TERMINAL_INSTALL 1 631 EXCLUDE_FROM_ALL TRUE 632 BUILD_BYPRODUCTS "${prefix}/lib/libc++.a" "${prefix}/lib/libc++abi.a" 633 ) 634 635 if (CMAKE_GENERATOR MATCHES "Make") 636 set(run_clean "$(MAKE)" "-C" "${BINARY_DIR}" "clean") 637 else() 638 set(run_clean ${CMAKE_COMMAND} --build ${BINARY_DIR} --target clean 639 --config "$<CONFIG>") 640 endif() 641 642 ExternalProject_Add_Step(${name} clean 643 COMMAND ${run_clean} 644 COMMENT "Cleaning ${name}..." 645 DEPENDEES configure 646 ${force_deps} 647 WORKING_DIRECTORY ${BINARY_DIR} 648 EXCLUDE_FROM_MAIN 1 649 USES_TERMINAL 1 650 ) 651 ExternalProject_Add_StepTargets(${name} clean) 652 653 if(LIBCXX_USE_TOOLCHAIN) 654 add_dependencies(${name}-clean ${name}-clobber) 655 set_target_properties(${name}-clean PROPERTIES 656 SOURCES ${CMAKE_CURRENT_BINARY_DIR}/${name}-clobber-stamp) 657 endif() 658endmacro() 659 660function(rt_externalize_debuginfo name) 661 if(NOT COMPILER_RT_EXTERNALIZE_DEBUGINFO) 662 return() 663 endif() 664 665 if(NOT COMPILER_RT_EXTERNALIZE_DEBUGINFO_SKIP_STRIP) 666 set(strip_command COMMAND xcrun strip -Sl $<TARGET_FILE:${name}>) 667 endif() 668 669 if(APPLE) 670 if(CMAKE_CXX_FLAGS MATCHES "-flto" 671 OR CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE} MATCHES "-flto") 672 673 set(lto_object ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${name}-lto.o) 674 set_property(TARGET ${name} APPEND_STRING PROPERTY 675 LINK_FLAGS " -Wl,-object_path_lto -Wl,${lto_object}") 676 endif() 677 add_custom_command(TARGET ${name} POST_BUILD 678 COMMAND xcrun dsymutil $<TARGET_FILE:${name}> 679 ${strip_command}) 680 else() 681 message(FATAL_ERROR "COMPILER_RT_EXTERNALIZE_DEBUGINFO isn't implemented for non-darwin platforms!") 682 endif() 683endfunction() 684 685 686# Configure lit configuration files, including compiler-rt specific variables. 687function(configure_compiler_rt_lit_site_cfg input output) 688 set_llvm_build_mode() 689 690 get_compiler_rt_output_dir(${COMPILER_RT_DEFAULT_TARGET_ARCH} output_dir) 691 692 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} COMPILER_RT_RESOLVED_TEST_COMPILER ${COMPILER_RT_TEST_COMPILER}) 693 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} COMPILER_RT_RESOLVED_LIBRARY_OUTPUT_DIR ${output_dir}) 694 695 configure_lit_site_cfg(${input} ${output}) 696endfunction() 697