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 elseif("${arch}" MATCHES "^arm") 128 if(COMPILER_RT_DEFAULT_TARGET_ONLY) 129 set(triple "${COMPILER_RT_DEFAULT_TARGET_TRIPLE}") 130 else() 131 set(triple "${TARGET_TRIPLE}") 132 endif() 133 # When using arch-suffixed runtime library names, clang only looks for 134 # libraries named "arm" or "armhf", see getArchNameForCompilerRTLib in 135 # clang. Therefore, try to inspect both the arch name and the triple 136 # if it seems like we're building an armhf target. 137 if ("${arch}" MATCHES "hf$" OR "${triple}" MATCHES "hf$") 138 set(${output} "${name}-armhf${COMPILER_RT_OS_SUFFIX}") 139 else() 140 set(${output} "${name}-arm${COMPILER_RT_OS_SUFFIX}") 141 endif() 142 else() 143 set(${output} "${name}-${arch}${COMPILER_RT_OS_SUFFIX}") 144 endif() 145 endif() 146endmacro() 147 148# Adds static or shared runtime for a list of architectures and operating 149# systems and puts it in the proper directory in the build and install trees. 150# add_compiler_rt_runtime(<name> 151# {OBJECT|STATIC|SHARED} 152# ARCHS <architectures> 153# OS <os list> 154# SOURCES <source files> 155# CFLAGS <compile flags> 156# LINK_FLAGS <linker flags> 157# DEFS <compile definitions> 158# DEPS <dependencies> 159# LINK_LIBS <linked libraries> (only for shared library) 160# OBJECT_LIBS <object libraries to use as sources> 161# PARENT_TARGET <convenience parent target> 162# ADDITIONAL_HEADERS <header files>) 163function(add_compiler_rt_runtime name type) 164 if(NOT type MATCHES "^(OBJECT|STATIC|SHARED)$") 165 message(FATAL_ERROR "type argument must be OBJECT, STATIC or SHARED") 166 return() 167 endif() 168 cmake_parse_arguments(LIB 169 "" 170 "PARENT_TARGET" 171 "OS;ARCHS;SOURCES;CFLAGS;LINK_FLAGS;DEFS;DEPS;LINK_LIBS;OBJECT_LIBS;ADDITIONAL_HEADERS" 172 ${ARGN}) 173 set(libnames) 174 # Until we support this some other way, build compiler-rt runtime without LTO 175 # to allow non-LTO projects to link with it. 176 if(COMPILER_RT_HAS_FNO_LTO_FLAG) 177 set(NO_LTO_FLAGS "-fno-lto") 178 else() 179 set(NO_LTO_FLAGS "") 180 endif() 181 182 # By default do not instrument or use profdata for compiler-rt. 183 set(NO_PGO_FLAGS "") 184 if(NOT COMPILER_RT_ENABLE_PGO) 185 if(LLVM_PROFDATA_FILE AND COMPILER_RT_HAS_FNO_PROFILE_INSTR_USE_FLAG) 186 list(APPEND NO_PGO_FLAGS "-fno-profile-instr-use") 187 endif() 188 if(LLVM_BUILD_INSTRUMENTED MATCHES IR AND COMPILER_RT_HAS_FNO_PROFILE_GENERATE_FLAG) 189 list(APPEND NO_PGO_FLAGS "-fno-profile-generate") 190 elseif(LLVM_BUILD_INSTRUMENTED AND COMPILER_RT_HAS_FNO_PROFILE_INSTR_GENERATE_FLAG) 191 list(APPEND NO_PGO_FLAGS "-fno-profile-instr-generate") 192 endif() 193 endif() 194 195 list(LENGTH LIB_SOURCES LIB_SOURCES_LENGTH) 196 if (${LIB_SOURCES_LENGTH} GREATER 0) 197 # Add headers to LIB_SOURCES for IDEs. It doesn't make sense to 198 # do this for a runtime library that only consists of OBJECT 199 # libraries, so only add the headers when source files are present. 200 compiler_rt_process_sources(LIB_SOURCES 201 ${LIB_SOURCES} 202 ADDITIONAL_HEADERS 203 ${LIB_ADDITIONAL_HEADERS} 204 ) 205 endif() 206 207 if(APPLE) 208 foreach(os ${LIB_OS}) 209 # Strip out -msse3 if this isn't macOS. 210 list(LENGTH LIB_CFLAGS HAS_EXTRA_CFLAGS) 211 if(HAS_EXTRA_CFLAGS AND NOT "${os}" MATCHES "^(osx)$") 212 list(REMOVE_ITEM LIB_CFLAGS "-msse3") 213 endif() 214 if(type STREQUAL "STATIC") 215 set(libname "${name}_${os}") 216 else() 217 set(libname "${name}_${os}_dynamic") 218 set(extra_link_flags_${libname} ${DARWIN_${os}_LINK_FLAGS} ${LIB_LINK_FLAGS}) 219 endif() 220 list_intersect(LIB_ARCHS_${libname} DARWIN_${os}_ARCHS LIB_ARCHS) 221 if(LIB_ARCHS_${libname}) 222 list(APPEND libnames ${libname}) 223 set(extra_cflags_${libname} ${DARWIN_${os}_CFLAGS} ${NO_LTO_FLAGS} ${NO_PGO_FLAGS} ${LIB_CFLAGS}) 224 set(output_name_${libname} ${libname}${COMPILER_RT_OS_SUFFIX}) 225 set(sources_${libname} ${LIB_SOURCES}) 226 format_object_libs(sources_${libname} ${os} ${LIB_OBJECT_LIBS}) 227 get_compiler_rt_output_dir(${COMPILER_RT_DEFAULT_TARGET_ARCH} output_dir_${libname}) 228 get_compiler_rt_install_dir(${COMPILER_RT_DEFAULT_TARGET_ARCH} install_dir_${libname}) 229 endif() 230 endforeach() 231 else() 232 foreach(arch ${LIB_ARCHS}) 233 if(NOT CAN_TARGET_${arch}) 234 message(FATAL_ERROR "Architecture ${arch} can't be targeted") 235 return() 236 endif() 237 if(type STREQUAL "OBJECT") 238 set(libname "${name}-${arch}") 239 set_output_name(output_name_${libname} ${name}${COMPILER_RT_OS_SUFFIX} ${arch}) 240 elseif(type STREQUAL "STATIC") 241 set(libname "${name}-${arch}") 242 set_output_name(output_name_${libname} ${name} ${arch}) 243 else() 244 set(libname "${name}-dynamic-${arch}") 245 set(extra_cflags_${libname} ${TARGET_${arch}_CFLAGS} ${LIB_CFLAGS}) 246 set(extra_link_flags_${libname} ${TARGET_${arch}_LINK_FLAGS} ${LIB_LINK_FLAGS}) 247 if(WIN32) 248 set_output_name(output_name_${libname} ${name}_dynamic ${arch}) 249 else() 250 set_output_name(output_name_${libname} ${name} ${arch}) 251 endif() 252 endif() 253 if(COMPILER_RT_USE_BUILTINS_LIBRARY AND NOT type STREQUAL "OBJECT" AND 254 NOT name STREQUAL "clang_rt.builtins") 255 get_compiler_rt_target(${arch} target) 256 find_compiler_rt_library(builtins ${target} builtins_${libname}) 257 if(builtins_${libname} STREQUAL "NOTFOUND") 258 message(FATAL_ERROR "Cannot find builtins library for the target architecture") 259 endif() 260 endif() 261 set(sources_${libname} ${LIB_SOURCES}) 262 format_object_libs(sources_${libname} ${arch} ${LIB_OBJECT_LIBS}) 263 set(libnames ${libnames} ${libname}) 264 set(extra_cflags_${libname} ${TARGET_${arch}_CFLAGS} ${NO_LTO_FLAGS} ${NO_PGO_FLAGS} ${LIB_CFLAGS}) 265 get_compiler_rt_output_dir(${arch} output_dir_${libname}) 266 get_compiler_rt_install_dir(${arch} install_dir_${libname}) 267 endforeach() 268 endif() 269 270 if(NOT libnames) 271 return() 272 endif() 273 274 if(LIB_PARENT_TARGET) 275 # If the parent targets aren't created we should create them 276 if(NOT TARGET ${LIB_PARENT_TARGET}) 277 add_custom_target(${LIB_PARENT_TARGET}) 278 set_target_properties(${LIB_PARENT_TARGET} PROPERTIES 279 FOLDER "Compiler-RT Misc") 280 endif() 281 endif() 282 283 foreach(libname ${libnames}) 284 # If you are using a multi-configuration generator we don't generate 285 # per-library install rules, so we fall back to the parent target COMPONENT 286 if(CMAKE_CONFIGURATION_TYPES AND LIB_PARENT_TARGET) 287 set(COMPONENT_OPTION COMPONENT ${LIB_PARENT_TARGET}) 288 else() 289 set(COMPONENT_OPTION COMPONENT ${libname}) 290 endif() 291 292 if(type STREQUAL "OBJECT") 293 if(CMAKE_C_COMPILER_ID MATCHES Clang AND CMAKE_C_COMPILER_TARGET) 294 list(APPEND extra_cflags_${libname} "--target=${CMAKE_C_COMPILER_TARGET}") 295 endif() 296 if(CMAKE_SYSROOT) 297 list(APPEND extra_cflags_${libname} "--sysroot=${CMAKE_SYSROOT}") 298 endif() 299 string(REPLACE ";" " " extra_cflags_${libname} "${extra_cflags_${libname}}") 300 string(REGEX MATCHALL "<[A-Za-z0-9_]*>" substitutions 301 ${CMAKE_C_COMPILE_OBJECT}) 302 set(compile_command_${libname} "${CMAKE_C_COMPILE_OBJECT}") 303 304 set(output_file_${libname} ${output_name_${libname}}${CMAKE_C_OUTPUT_EXTENSION}) 305 foreach(substitution ${substitutions}) 306 if(substitution STREQUAL "<CMAKE_C_COMPILER>") 307 string(REPLACE "<CMAKE_C_COMPILER>" "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}" 308 compile_command_${libname} ${compile_command_${libname}}) 309 elseif(substitution STREQUAL "<OBJECT>") 310 string(REPLACE "<OBJECT>" "${output_dir_${libname}}/${output_file_${libname}}" 311 compile_command_${libname} ${compile_command_${libname}}) 312 elseif(substitution STREQUAL "<SOURCE>") 313 string(REPLACE "<SOURCE>" "${sources_${libname}}" 314 compile_command_${libname} ${compile_command_${libname}}) 315 elseif(substitution STREQUAL "<FLAGS>") 316 string(REPLACE "<FLAGS>" "${CMAKE_C_FLAGS} ${extra_cflags_${libname}}" 317 compile_command_${libname} ${compile_command_${libname}}) 318 else() 319 string(REPLACE "${substitution}" "" compile_command_${libname} 320 ${compile_command_${libname}}) 321 endif() 322 endforeach() 323 separate_arguments(compile_command_${libname}) 324 add_custom_command( 325 OUTPUT ${output_dir_${libname}}/${output_file_${libname}} 326 COMMAND ${compile_command_${libname}} 327 DEPENDS ${sources_${libname}} 328 COMMENT "Building C object ${output_file_${libname}}") 329 add_custom_target(${libname} DEPENDS ${output_dir_${libname}}/${output_file_${libname}}) 330 install(FILES ${output_dir_${libname}}/${output_file_${libname}} 331 DESTINATION ${install_dir_${libname}} 332 ${COMPONENT_OPTION}) 333 else() 334 add_library(${libname} ${type} ${sources_${libname}}) 335 set_target_compile_flags(${libname} ${extra_cflags_${libname}}) 336 set_target_link_flags(${libname} ${extra_link_flags_${libname}}) 337 set_property(TARGET ${libname} APPEND PROPERTY 338 COMPILE_DEFINITIONS ${LIB_DEFS}) 339 set_target_output_directories(${libname} ${output_dir_${libname}}) 340 install(TARGETS ${libname} 341 ARCHIVE DESTINATION ${install_dir_${libname}} 342 ${COMPONENT_OPTION} 343 LIBRARY DESTINATION ${install_dir_${libname}} 344 ${COMPONENT_OPTION} 345 RUNTIME DESTINATION ${install_dir_${libname}} 346 ${COMPONENT_OPTION}) 347 endif() 348 if(LIB_DEPS) 349 add_dependencies(${libname} ${LIB_DEPS}) 350 endif() 351 set_target_properties(${libname} PROPERTIES 352 OUTPUT_NAME ${output_name_${libname}}) 353 set_target_properties(${libname} PROPERTIES FOLDER "Compiler-RT Runtime") 354 if(LIB_LINK_LIBS) 355 target_link_libraries(${libname} PRIVATE ${LIB_LINK_LIBS}) 356 endif() 357 if(builtins_${libname}) 358 target_link_libraries(${libname} PRIVATE ${builtins_${libname}}) 359 endif() 360 if(${type} STREQUAL "SHARED") 361 if(COMMAND llvm_setup_rpath) 362 llvm_setup_rpath(${libname}) 363 endif() 364 if(WIN32 AND NOT CYGWIN AND NOT MINGW) 365 set_target_properties(${libname} PROPERTIES IMPORT_PREFIX "") 366 set_target_properties(${libname} PROPERTIES IMPORT_SUFFIX ".lib") 367 endif() 368 if(APPLE) 369 # Ad-hoc sign the dylibs 370 add_custom_command(TARGET ${libname} 371 POST_BUILD 372 COMMAND codesign --sign - $<TARGET_FILE:${libname}> 373 WORKING_DIRECTORY ${COMPILER_RT_LIBRARY_OUTPUT_DIR} 374 ) 375 endif() 376 endif() 377 378 set(parent_target_arg) 379 if(LIB_PARENT_TARGET) 380 set(parent_target_arg PARENT_TARGET ${LIB_PARENT_TARGET}) 381 endif() 382 add_compiler_rt_install_targets(${libname} ${parent_target_arg}) 383 384 if(APPLE) 385 set_target_properties(${libname} PROPERTIES 386 OSX_ARCHITECTURES "${LIB_ARCHS_${libname}}") 387 endif() 388 389 if(type STREQUAL "SHARED") 390 rt_externalize_debuginfo(${libname}) 391 endif() 392 endforeach() 393 if(LIB_PARENT_TARGET) 394 add_dependencies(${LIB_PARENT_TARGET} ${libnames}) 395 endif() 396endfunction() 397 398# Compile and register compiler-rt tests. 399# generate_compiler_rt_tests(<output object files> <test_suite> <test_name> 400# <test architecture> 401# KIND <custom prefix> 402# SUBDIR <subdirectory for testing binary> 403# SOURCES <sources to compile> 404# RUNTIME <tests runtime to link in> 405# CFLAGS <compile-time flags> 406# COMPILE_DEPS <compile-time dependencies> 407# DEPS <dependencies> 408# LINK_FLAGS <flags to use during linking> 409# ) 410function(generate_compiler_rt_tests test_objects test_suite testname arch) 411 cmake_parse_arguments(TEST "" "KIND;RUNTIME;SUBDIR" 412 "SOURCES;COMPILE_DEPS;DEPS;CFLAGS;LINK_FLAGS" ${ARGN}) 413 414 foreach(source ${TEST_SOURCES}) 415 sanitizer_test_compile( 416 "${test_objects}" "${source}" "${arch}" 417 KIND ${TEST_KIND} 418 COMPILE_DEPS ${TEST_COMPILE_DEPS} 419 DEPS ${TEST_DEPS} 420 CFLAGS ${TEST_CFLAGS} 421 ) 422 endforeach() 423 424 set(TEST_DEPS ${${test_objects}}) 425 426 if(NOT "${TEST_RUNTIME}" STREQUAL "") 427 list(APPEND TEST_DEPS ${TEST_RUNTIME}) 428 list(APPEND "${test_objects}" $<TARGET_FILE:${TEST_RUNTIME}>) 429 endif() 430 431 add_compiler_rt_test(${test_suite} "${testname}" "${arch}" 432 SUBDIR ${TEST_SUBDIR} 433 OBJECTS ${${test_objects}} 434 DEPS ${TEST_DEPS} 435 LINK_FLAGS ${TEST_LINK_FLAGS} 436 ) 437 set("${test_objects}" "${${test_objects}}" PARENT_SCOPE) 438endfunction() 439 440# Link objects into a single executable with COMPILER_RT_TEST_COMPILER, 441# using specified link flags. Make executable a part of provided 442# test_suite. 443# add_compiler_rt_test(<test_suite> <test_name> <arch> 444# SUBDIR <subdirectory for binary> 445# OBJECTS <object files> 446# DEPS <deps (e.g. runtime libs)> 447# LINK_FLAGS <link flags>) 448function(add_compiler_rt_test test_suite test_name arch) 449 cmake_parse_arguments(TEST "" "SUBDIR" "OBJECTS;DEPS;LINK_FLAGS" "" ${ARGN}) 450 set(output_dir ${CMAKE_CURRENT_BINARY_DIR}) 451 if(TEST_SUBDIR) 452 set(output_dir "${output_dir}/${TEST_SUBDIR}") 453 endif() 454 set(output_dir "${output_dir}/${CMAKE_CFG_INTDIR}") 455 file(MAKE_DIRECTORY "${output_dir}") 456 set(output_bin "${output_dir}/${test_name}") 457 if(MSVC) 458 set(output_bin "${output_bin}.exe") 459 endif() 460 461 # Use host compiler in a standalone build, and just-built Clang otherwise. 462 if(NOT COMPILER_RT_STANDALONE_BUILD) 463 list(APPEND TEST_DEPS clang) 464 endif() 465 466 get_target_flags_for_arch(${arch} TARGET_LINK_FLAGS) 467 list(APPEND TEST_LINK_FLAGS ${TARGET_LINK_FLAGS}) 468 469 # If we're not on MSVC, include the linker flags from CMAKE but override them 470 # with the provided link flags. This ensures that flags which are required to 471 # link programs at all are included, but the changes needed for the test 472 # trump. With MSVC we can't do that because CMake is set up to run link.exe 473 # when linking, not the compiler. Here, we hack it to use the compiler 474 # because we want to use -fsanitize flags. 475 476 # Only add CMAKE_EXE_LINKER_FLAGS when in a standalone bulid. 477 # Or else CMAKE_EXE_LINKER_FLAGS contains flags for build compiler of Clang/llvm. 478 # This might not be the same as what the COMPILER_RT_TEST_COMPILER supports. 479 # eg: the build compiler use lld linker and we build clang with default ld linker 480 # then to be tested clang will complain about lld options like --color-diagnostics. 481 if(NOT MSVC AND COMPILER_RT_STANDALONE_BUILD) 482 set(TEST_LINK_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${TEST_LINK_FLAGS}") 483 separate_arguments(TEST_LINK_FLAGS) 484 endif() 485 if(NOT COMPILER_RT_STANDALONE_BUILD AND COMPILER_RT_HAS_LLD AND "lld" IN_LIST LLVM_ENABLE_PROJECTS) 486 # CMAKE_EXE_LINKER_FLAGS may contain -fuse=lld 487 # FIXME: -DLLVM_ENABLE_LLD=ON and -DLLVM_ENABLE_PROJECTS without lld case. 488 list(APPEND TEST_DEPS lld) 489 endif() 490 add_custom_command( 491 OUTPUT "${output_bin}" 492 COMMAND ${COMPILER_RT_TEST_COMPILER} ${TEST_OBJECTS} -o "${output_bin}" 493 ${TEST_LINK_FLAGS} 494 DEPENDS ${TEST_DEPS} 495 ) 496 add_custom_target(T${test_name} DEPENDS "${output_bin}") 497 set_target_properties(T${test_name} PROPERTIES FOLDER "Compiler-RT Tests") 498 499 # Make the test suite depend on the binary. 500 add_dependencies(${test_suite} T${test_name}) 501endfunction() 502 503macro(add_compiler_rt_resource_file target_name file_name component) 504 set(src_file "${CMAKE_CURRENT_SOURCE_DIR}/${file_name}") 505 set(dst_file "${COMPILER_RT_OUTPUT_DIR}/share/${file_name}") 506 add_custom_command(OUTPUT ${dst_file} 507 DEPENDS ${src_file} 508 COMMAND ${CMAKE_COMMAND} -E copy_if_different ${src_file} ${dst_file} 509 COMMENT "Copying ${file_name}...") 510 add_custom_target(${target_name} DEPENDS ${dst_file}) 511 # Install in Clang resource directory. 512 install(FILES ${file_name} 513 DESTINATION ${COMPILER_RT_INSTALL_PATH}/share 514 COMPONENT ${component}) 515 add_dependencies(${component} ${target_name}) 516 517 set_target_properties(${target_name} PROPERTIES FOLDER "Compiler-RT Misc") 518endmacro() 519 520macro(add_compiler_rt_script name) 521 set(dst ${COMPILER_RT_EXEC_OUTPUT_DIR}/${name}) 522 set(src ${CMAKE_CURRENT_SOURCE_DIR}/${name}) 523 add_custom_command(OUTPUT ${dst} 524 DEPENDS ${src} 525 COMMAND ${CMAKE_COMMAND} -E copy_if_different ${src} ${dst} 526 COMMENT "Copying ${name}...") 527 add_custom_target(${name} DEPENDS ${dst}) 528 install(FILES ${dst} 529 PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE 530 DESTINATION ${COMPILER_RT_INSTALL_PATH}/bin) 531endmacro(add_compiler_rt_script src name) 532 533# Builds custom version of libc++ and installs it in <prefix>. 534# Can be used to build sanitized versions of libc++ for running unit tests. 535# add_custom_libcxx(<name> <prefix> 536# DEPS <list of build deps> 537# CFLAGS <list of compile flags> 538# USE_TOOLCHAIN) 539macro(add_custom_libcxx name prefix) 540 if(NOT COMPILER_RT_LIBCXX_PATH) 541 message(FATAL_ERROR "libcxx not found!") 542 endif() 543 if(NOT COMPILER_RT_LIBCXXABI_PATH) 544 message(FATAL_ERROR "libcxxabi not found!") 545 endif() 546 547 cmake_parse_arguments(LIBCXX "USE_TOOLCHAIN" "" "DEPS;CFLAGS;CMAKE_ARGS" ${ARGN}) 548 549 if(LIBCXX_USE_TOOLCHAIN) 550 set(compiler_args -DCMAKE_C_COMPILER=${COMPILER_RT_TEST_COMPILER} 551 -DCMAKE_CXX_COMPILER=${COMPILER_RT_TEST_CXX_COMPILER}) 552 if(NOT COMPILER_RT_STANDALONE_BUILD AND NOT LLVM_RUNTIMES_BUILD) 553 set(toolchain_deps $<TARGET_FILE:clang>) 554 set(force_deps DEPENDS $<TARGET_FILE:clang>) 555 endif() 556 else() 557 set(compiler_args -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER} 558 -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}) 559 endif() 560 561 set(STAMP_DIR ${prefix}-stamps/) 562 set(BINARY_DIR ${prefix}-bins/) 563 564 add_custom_target(${name}-clear 565 COMMAND ${CMAKE_COMMAND} -E remove_directory ${BINARY_DIR} 566 COMMAND ${CMAKE_COMMAND} -E remove_directory ${STAMP_DIR} 567 COMMENT "Clobbering ${name} build and stamp directories" 568 USES_TERMINAL 569 ) 570 set_target_properties(${name}-clear PROPERTIES FOLDER "Compiler-RT Misc") 571 572 add_custom_command( 573 OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${name}-clobber-stamp 574 DEPENDS ${LIBCXX_DEPS} ${toolchain_deps} 575 COMMAND ${CMAKE_COMMAND} -E touch ${BINARY_DIR}/CMakeCache.txt 576 COMMAND ${CMAKE_COMMAND} -E touch ${STAMP_DIR}/${name}-mkdir 577 COMMAND ${CMAKE_COMMAND} -E touch ${CMAKE_CURRENT_BINARY_DIR}/${name}-clobber-stamp 578 COMMENT "Clobbering bootstrap build and stamp directories" 579 ) 580 581 add_custom_target(${name}-clobber 582 DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${name}-clobber-stamp) 583 set_target_properties(${name}-clobber PROPERTIES FOLDER "Compiler-RT Misc") 584 585 set(PASSTHROUGH_VARIABLES 586 CMAKE_C_COMPILER_TARGET 587 CMAKE_CXX_COMPILER_TARGET 588 CMAKE_SHARED_LINKER_FLAGS 589 CMAKE_MODULE_LINKER_FLAGS 590 CMAKE_EXE_LINKER_FLAGS 591 CMAKE_INSTALL_PREFIX 592 CMAKE_MAKE_PROGRAM 593 CMAKE_LINKER 594 CMAKE_AR 595 CMAKE_RANLIB 596 CMAKE_NM 597 CMAKE_OBJCOPY 598 CMAKE_OBJDUMP 599 CMAKE_STRIP 600 CMAKE_SYSROOT 601 LIBCXX_HAS_MUSL_LIBC 602 PYTHON_EXECUTABLE 603 Python3_EXECUTABLE 604 Python2_EXECUTABLE 605 CMAKE_SYSTEM_NAME) 606 foreach(variable ${PASSTHROUGH_VARIABLES}) 607 get_property(is_value_set CACHE ${variable} PROPERTY VALUE SET) 608 if(${is_value_set}) 609 get_property(value CACHE ${variable} PROPERTY VALUE) 610 list(APPEND CMAKE_PASSTHROUGH_VARIABLES -D${variable}=${value}) 611 endif() 612 endforeach() 613 614 string(REPLACE ";" " " LIBCXX_C_FLAGS "${LIBCXX_CFLAGS}") 615 get_property(C_FLAGS CACHE CMAKE_C_FLAGS PROPERTY VALUE) 616 set(LIBCXX_C_FLAGS "${LIBCXX_C_FLAGS} ${C_FLAGS}") 617 618 string(REPLACE ";" " " LIBCXX_CXX_FLAGS "${LIBCXX_CFLAGS}") 619 get_property(CXX_FLAGS CACHE CMAKE_CXX_FLAGS PROPERTY VALUE) 620 set(LIBCXX_CXX_FLAGS "${LIBCXX_CXX_FLAGS} ${CXX_FLAGS}") 621 622 ExternalProject_Add(${name} 623 DEPENDS ${name}-clobber ${LIBCXX_DEPS} 624 PREFIX ${prefix} 625 SOURCE_DIR ${COMPILER_RT_SOURCE_DIR}/cmake/Modules/CustomLibcxx 626 STAMP_DIR ${STAMP_DIR} 627 BINARY_DIR ${BINARY_DIR} 628 CMAKE_ARGS ${CMAKE_PASSTHROUGH_VARIABLES} 629 ${compiler_args} 630 -DCMAKE_C_FLAGS=${LIBCXX_C_FLAGS} 631 -DCMAKE_CXX_FLAGS=${LIBCXX_CXX_FLAGS} 632 -DCMAKE_BUILD_TYPE=Release 633 -DCMAKE_TRY_COMPILE_TARGET_TYPE=STATIC_LIBRARY 634 -DLLVM_PATH=${LLVM_MAIN_SRC_DIR} 635 -DLLVM_BINARY_DIR=${prefix} 636 -DLLVM_LIBRARY_OUTPUT_INTDIR=${prefix}/lib 637 -DCOMPILER_RT_LIBCXX_PATH=${COMPILER_RT_LIBCXX_PATH} 638 -DCOMPILER_RT_LIBCXXABI_PATH=${COMPILER_RT_LIBCXXABI_PATH} 639 ${LIBCXX_CMAKE_ARGS} 640 INSTALL_COMMAND "" 641 STEP_TARGETS configure build 642 BUILD_ALWAYS 1 643 USES_TERMINAL_CONFIGURE 1 644 USES_TERMINAL_BUILD 1 645 USES_TERMINAL_INSTALL 1 646 EXCLUDE_FROM_ALL TRUE 647 BUILD_BYPRODUCTS "${prefix}/lib/libc++.a" "${prefix}/lib/libc++abi.a" 648 ) 649 650 if (CMAKE_GENERATOR MATCHES "Make") 651 set(run_clean "$(MAKE)" "-C" "${BINARY_DIR}" "clean") 652 else() 653 set(run_clean ${CMAKE_COMMAND} --build ${BINARY_DIR} --target clean 654 --config "$<CONFIG>") 655 endif() 656 657 ExternalProject_Add_Step(${name} clean 658 COMMAND ${run_clean} 659 COMMENT "Cleaning ${name}..." 660 DEPENDEES configure 661 ${force_deps} 662 WORKING_DIRECTORY ${BINARY_DIR} 663 EXCLUDE_FROM_MAIN 1 664 USES_TERMINAL 1 665 ) 666 ExternalProject_Add_StepTargets(${name} clean) 667 668 if(LIBCXX_USE_TOOLCHAIN) 669 add_dependencies(${name}-clean ${name}-clobber) 670 set_target_properties(${name}-clean PROPERTIES 671 SOURCES ${CMAKE_CURRENT_BINARY_DIR}/${name}-clobber-stamp) 672 endif() 673endmacro() 674 675function(rt_externalize_debuginfo name) 676 if(NOT COMPILER_RT_EXTERNALIZE_DEBUGINFO) 677 return() 678 endif() 679 680 if(NOT COMPILER_RT_EXTERNALIZE_DEBUGINFO_SKIP_STRIP) 681 set(strip_command COMMAND xcrun strip -Sl $<TARGET_FILE:${name}>) 682 endif() 683 684 if(APPLE) 685 if(CMAKE_CXX_FLAGS MATCHES "-flto" 686 OR CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE} MATCHES "-flto") 687 688 set(lto_object ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${name}-lto.o) 689 set_property(TARGET ${name} APPEND_STRING PROPERTY 690 LINK_FLAGS " -Wl,-object_path_lto -Wl,${lto_object}") 691 endif() 692 add_custom_command(TARGET ${name} POST_BUILD 693 COMMAND xcrun dsymutil $<TARGET_FILE:${name}> 694 ${strip_command}) 695 else() 696 message(FATAL_ERROR "COMPILER_RT_EXTERNALIZE_DEBUGINFO isn't implemented for non-darwin platforms!") 697 endif() 698endfunction() 699 700 701# Configure lit configuration files, including compiler-rt specific variables. 702function(configure_compiler_rt_lit_site_cfg input output) 703 set_llvm_build_mode() 704 705 get_compiler_rt_output_dir(${COMPILER_RT_DEFAULT_TARGET_ARCH} output_dir) 706 707 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} COMPILER_RT_RESOLVED_TEST_COMPILER ${COMPILER_RT_TEST_COMPILER}) 708 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} COMPILER_RT_RESOLVED_LIBRARY_OUTPUT_DIR ${output_dir}) 709 710 configure_lit_site_cfg(${input} ${output}) 711endfunction() 712