1include(ExternalProject) 2include(CompilerRTUtils) 3 4function(set_target_output_directories target output_dir) 5 # For RUNTIME_OUTPUT_DIRECTORY variable, Multi-configuration generators 6 # append a per-configuration subdirectory to the specified directory. 7 # To avoid the appended folder, the configuration specific variable must be 8 # set 'RUNTIME_OUTPUT_DIRECTORY_${CONF}': 9 # RUNTIME_OUTPUT_DIRECTORY_DEBUG, RUNTIME_OUTPUT_DIRECTORY_RELEASE, ... 10 if(CMAKE_CONFIGURATION_TYPES) 11 foreach(build_mode ${CMAKE_CONFIGURATION_TYPES}) 12 string(TOUPPER "${build_mode}" CONFIG_SUFFIX) 13 set_target_properties("${target}" PROPERTIES 14 "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${output_dir} 15 "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${output_dir} 16 "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${output_dir}) 17 endforeach() 18 else() 19 set_target_properties("${target}" PROPERTIES 20 ARCHIVE_OUTPUT_DIRECTORY ${output_dir} 21 LIBRARY_OUTPUT_DIRECTORY ${output_dir} 22 RUNTIME_OUTPUT_DIRECTORY ${output_dir}) 23 endif() 24endfunction() 25 26# Tries to add an "object library" target for a given list of OSs and/or 27# architectures with name "<name>.<arch>" for non-Darwin platforms if 28# architecture can be targeted, and "<name>.<os>" for Darwin platforms. 29# add_compiler_rt_object_libraries(<name> 30# OS <os names> 31# ARCHS <architectures> 32# SOURCES <source files> 33# CFLAGS <compile flags> 34# DEFS <compile definitions> 35# DEPS <dependencies> 36# ADDITIONAL_HEADERS <header files>) 37function(add_compiler_rt_object_libraries name) 38 cmake_parse_arguments(LIB "" "" "OS;ARCHS;SOURCES;CFLAGS;DEFS;DEPS;ADDITIONAL_HEADERS" 39 ${ARGN}) 40 set(libnames) 41 if(APPLE) 42 foreach(os ${LIB_OS}) 43 set(libname "${name}.${os}") 44 set(libnames ${libnames} ${libname}) 45 set(extra_cflags_${libname} ${DARWIN_${os}_CFLAGS}) 46 list_intersect(LIB_ARCHS_${libname} DARWIN_${os}_ARCHS LIB_ARCHS) 47 endforeach() 48 else() 49 foreach(arch ${LIB_ARCHS}) 50 set(libname "${name}.${arch}") 51 set(libnames ${libnames} ${libname}) 52 set(extra_cflags_${libname} ${TARGET_${arch}_CFLAGS}) 53 if(NOT CAN_TARGET_${arch}) 54 message(FATAL_ERROR "Architecture ${arch} can't be targeted") 55 return() 56 endif() 57 endforeach() 58 endif() 59 60 # Add headers to LIB_SOURCES for IDEs 61 compiler_rt_process_sources(LIB_SOURCES 62 ${LIB_SOURCES} 63 ADDITIONAL_HEADERS 64 ${LIB_ADDITIONAL_HEADERS} 65 ) 66 67 foreach(libname ${libnames}) 68 add_library(${libname} OBJECT ${LIB_SOURCES}) 69 if(LIB_DEPS) 70 add_dependencies(${libname} ${LIB_DEPS}) 71 endif() 72 73 # Strip out -msse3 if this isn't macOS. 74 set(target_flags ${LIB_CFLAGS}) 75 if(APPLE AND NOT "${libname}" MATCHES ".*\.osx.*") 76 list(REMOVE_ITEM target_flags "-msse3") 77 endif() 78 79 set_target_compile_flags(${libname} 80 ${extra_cflags_${libname}} ${target_flags}) 81 set_property(TARGET ${libname} APPEND PROPERTY 82 COMPILE_DEFINITIONS ${LIB_DEFS}) 83 set_target_properties(${libname} PROPERTIES FOLDER "Compiler-RT Libraries") 84 if(APPLE) 85 set_target_properties(${libname} PROPERTIES 86 OSX_ARCHITECTURES "${LIB_ARCHS_${libname}}") 87 endif() 88 endforeach() 89endfunction() 90 91# Takes a list of object library targets, and a suffix and appends the proper 92# TARGET_OBJECTS string to the output variable. 93# format_object_libs(<output> <suffix> ...) 94macro(format_object_libs output suffix) 95 foreach(lib ${ARGN}) 96 list(APPEND ${output} $<TARGET_OBJECTS:${lib}.${suffix}>) 97 endforeach() 98endmacro() 99 100function(add_compiler_rt_component name) 101 add_custom_target(${name}) 102 set_target_properties(${name} PROPERTIES FOLDER "Compiler-RT Misc") 103 if(COMMAND runtime_register_component) 104 runtime_register_component(${name}) 105 endif() 106 add_dependencies(compiler-rt ${name}) 107endfunction() 108 109function(add_asm_sources output) 110 set(${output} ${ARGN} PARENT_SCOPE) 111 # Xcode will try to compile asm files as C ('clang -x c'), and that will fail. 112 if (${CMAKE_GENERATOR} STREQUAL "Xcode") 113 enable_language(ASM) 114 else() 115 # Pass ASM file directly to the C++ compiler. 116 set_source_files_properties(${ARGN} PROPERTIES LANGUAGE C) 117 endif() 118endfunction() 119 120macro(set_output_name output name arch) 121 if(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR) 122 set(${output} ${name}) 123 else() 124 if(ANDROID AND ${arch} STREQUAL "i386") 125 set(${output} "${name}-i686${COMPILER_RT_OS_SUFFIX}") 126 else() 127 set(${output} "${name}-${arch}${COMPILER_RT_OS_SUFFIX}") 128 endif() 129 endif() 130endmacro() 131 132# Adds static or shared runtime for a list of architectures and operating 133# systems and puts it in the proper directory in the build and install trees. 134# add_compiler_rt_runtime(<name> 135# {OBJECT|STATIC|SHARED} 136# ARCHS <architectures> 137# OS <os list> 138# SOURCES <source files> 139# CFLAGS <compile flags> 140# LINK_FLAGS <linker flags> 141# DEFS <compile definitions> 142# LINK_LIBS <linked libraries> (only for shared library) 143# OBJECT_LIBS <object libraries to use as sources> 144# PARENT_TARGET <convenience parent target> 145# ADDITIONAL_HEADERS <header files>) 146function(add_compiler_rt_runtime name type) 147 if(NOT type MATCHES "^(OBJECT|STATIC|SHARED)$") 148 message(FATAL_ERROR "type argument must be OBJECT, STATIC or SHARED") 149 return() 150 endif() 151 cmake_parse_arguments(LIB 152 "" 153 "PARENT_TARGET" 154 "OS;ARCHS;SOURCES;CFLAGS;LINK_FLAGS;DEFS;LINK_LIBS;OBJECT_LIBS;ADDITIONAL_HEADERS" 155 ${ARGN}) 156 set(libnames) 157 # Until we support this some other way, build compiler-rt runtime without LTO 158 # to allow non-LTO projects to link with it. 159 if(COMPILER_RT_HAS_FNO_LTO_FLAG) 160 set(NO_LTO_FLAGS "-fno-lto") 161 else() 162 set(NO_LTO_FLAGS "") 163 endif() 164 165 # By default do not instrument or use profdata for compiler-rt. 166 set(NO_PGO_FLAGS "") 167 if(NOT COMPILER_RT_ENABLE_PGO) 168 if(LLVM_PROFDATA_FILE AND COMPILER_RT_HAS_FNO_PROFILE_INSTR_USE_FLAG) 169 list(APPEND NO_PGO_FLAGS "-fno-profile-instr-use") 170 endif() 171 if(LLVM_BUILD_INSTRUMENTED MATCHES IR AND COMPILER_RT_HAS_FNO_PROFILE_GENERATE_FLAG) 172 list(APPEND NO_PGO_FLAGS "-fno-profile-generate") 173 elseif(LLVM_BUILD_INSTRUMENTED AND COMPILER_RT_HAS_FNO_PROFILE_INSTR_GENERATE_FLAG) 174 list(APPEND NO_PGO_FLAGS "-fno-profile-instr-generate") 175 endif() 176 endif() 177 178 list(LENGTH LIB_SOURCES LIB_SOURCES_LENGTH) 179 if (${LIB_SOURCES_LENGTH} GREATER 0) 180 # Add headers to LIB_SOURCES for IDEs. It doesn't make sense to 181 # do this for a runtime library that only consists of OBJECT 182 # libraries, so only add the headers when source files are present. 183 compiler_rt_process_sources(LIB_SOURCES 184 ${LIB_SOURCES} 185 ADDITIONAL_HEADERS 186 ${LIB_ADDITIONAL_HEADERS} 187 ) 188 endif() 189 190 if(APPLE) 191 foreach(os ${LIB_OS}) 192 # Strip out -msse3 if this isn't macOS. 193 list(LENGTH LIB_CFLAGS HAS_EXTRA_CFLAGS) 194 if(HAS_EXTRA_CFLAGS AND NOT "${os}" MATCHES "^(osx)$") 195 list(REMOVE_ITEM LIB_CFLAGS "-msse3") 196 endif() 197 if(type STREQUAL "STATIC") 198 set(libname "${name}_${os}") 199 else() 200 set(libname "${name}_${os}_dynamic") 201 set(extra_link_flags_${libname} ${DARWIN_${os}_LINK_FLAGS} ${LIB_LINK_FLAGS}) 202 endif() 203 list_intersect(LIB_ARCHS_${libname} DARWIN_${os}_ARCHS LIB_ARCHS) 204 if(LIB_ARCHS_${libname}) 205 list(APPEND libnames ${libname}) 206 set(extra_cflags_${libname} ${DARWIN_${os}_CFLAGS} ${NO_LTO_FLAGS} ${NO_PGO_FLAGS} ${LIB_CFLAGS}) 207 set(output_name_${libname} ${libname}${COMPILER_RT_OS_SUFFIX}) 208 set(sources_${libname} ${LIB_SOURCES}) 209 format_object_libs(sources_${libname} ${os} ${LIB_OBJECT_LIBS}) 210 get_compiler_rt_output_dir(${COMPILER_RT_DEFAULT_TARGET_ARCH} output_dir_${libname}) 211 get_compiler_rt_install_dir(${COMPILER_RT_DEFAULT_TARGET_ARCH} install_dir_${libname}) 212 endif() 213 endforeach() 214 else() 215 foreach(arch ${LIB_ARCHS}) 216 if(NOT CAN_TARGET_${arch}) 217 message(FATAL_ERROR "Architecture ${arch} can't be targeted") 218 return() 219 endif() 220 if(type STREQUAL "OBJECT") 221 set(libname "${name}-${arch}") 222 set_output_name(output_name_${libname} ${name}${COMPILER_RT_OS_SUFFIX} ${arch}) 223 elseif(type STREQUAL "STATIC") 224 set(libname "${name}-${arch}") 225 set_output_name(output_name_${libname} ${name} ${arch}) 226 else() 227 set(libname "${name}-dynamic-${arch}") 228 set(extra_cflags_${libname} ${TARGET_${arch}_CFLAGS} ${LIB_CFLAGS}) 229 set(extra_link_flags_${libname} ${TARGET_${arch}_LINK_FLAGS} ${LIB_LINK_FLAGS}) 230 if(WIN32) 231 set_output_name(output_name_${libname} ${name}_dynamic ${arch}) 232 else() 233 set_output_name(output_name_${libname} ${name} ${arch}) 234 endif() 235 endif() 236 set(sources_${libname} ${LIB_SOURCES}) 237 format_object_libs(sources_${libname} ${arch} ${LIB_OBJECT_LIBS}) 238 set(libnames ${libnames} ${libname}) 239 set(extra_cflags_${libname} ${TARGET_${arch}_CFLAGS} ${NO_LTO_FLAGS} ${NO_PGO_FLAGS} ${LIB_CFLAGS}) 240 get_compiler_rt_output_dir(${arch} output_dir_${libname}) 241 get_compiler_rt_install_dir(${arch} install_dir_${libname}) 242 endforeach() 243 endif() 244 245 if(NOT libnames) 246 return() 247 endif() 248 249 if(LIB_PARENT_TARGET) 250 # If the parent targets aren't created we should create them 251 if(NOT TARGET ${LIB_PARENT_TARGET}) 252 add_custom_target(${LIB_PARENT_TARGET}) 253 set_target_properties(${LIB_PARENT_TARGET} PROPERTIES 254 FOLDER "Compiler-RT Misc") 255 endif() 256 endif() 257 258 foreach(libname ${libnames}) 259 # If you are using a multi-configuration generator we don't generate 260 # per-library install rules, so we fall back to the parent target COMPONENT 261 if(CMAKE_CONFIGURATION_TYPES AND LIB_PARENT_TARGET) 262 set(COMPONENT_OPTION COMPONENT ${LIB_PARENT_TARGET}) 263 else() 264 set(COMPONENT_OPTION COMPONENT ${libname}) 265 endif() 266 267 if(type STREQUAL "OBJECT") 268 if(CMAKE_C_COMPILER_ID MATCHES Clang AND CMAKE_C_COMPILER_TARGET) 269 list(APPEND extra_cflags_${libname} "--target=${CMAKE_C_COMPILER_TARGET}") 270 endif() 271 if(CMAKE_SYSROOT) 272 list(APPEND extra_cflags_${libname} "--sysroot=${CMAKE_SYSROOT}") 273 endif() 274 string(REPLACE ";" " " extra_cflags_${libname} "${extra_cflags_${libname}}") 275 string(REGEX MATCHALL "<[A-Za-z0-9_]*>" substitutions 276 ${CMAKE_C_COMPILE_OBJECT}) 277 set(compile_command_${libname} "${CMAKE_C_COMPILE_OBJECT}") 278 279 set(output_file_${libname} ${output_name_${libname}}${CMAKE_C_OUTPUT_EXTENSION}) 280 foreach(substitution ${substitutions}) 281 if(substitution STREQUAL "<CMAKE_C_COMPILER>") 282 string(REPLACE "<CMAKE_C_COMPILER>" "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}" 283 compile_command_${libname} ${compile_command_${libname}}) 284 elseif(substitution STREQUAL "<OBJECT>") 285 string(REPLACE "<OBJECT>" "${output_dir_${libname}}/${output_file_${libname}}" 286 compile_command_${libname} ${compile_command_${libname}}) 287 elseif(substitution STREQUAL "<SOURCE>") 288 string(REPLACE "<SOURCE>" "${sources_${libname}}" 289 compile_command_${libname} ${compile_command_${libname}}) 290 elseif(substitution STREQUAL "<FLAGS>") 291 string(REPLACE "<FLAGS>" "${CMAKE_C_FLAGS} ${extra_cflags_${libname}}" 292 compile_command_${libname} ${compile_command_${libname}}) 293 else() 294 string(REPLACE "${substitution}" "" compile_command_${libname} 295 ${compile_command_${libname}}) 296 endif() 297 endforeach() 298 separate_arguments(compile_command_${libname}) 299 add_custom_command( 300 OUTPUT ${output_dir_${libname}}/${output_file_${libname}} 301 COMMAND ${compile_command_${libname}} 302 DEPENDS ${sources_${libname}} 303 COMMENT "Building C object ${output_file_${libname}}") 304 add_custom_target(${libname} DEPENDS ${output_dir_${libname}}/${output_file_${libname}}) 305 install(FILES ${output_dir_${libname}}/${output_file_${libname}} 306 DESTINATION ${install_dir_${libname}} 307 ${COMPONENT_OPTION}) 308 else() 309 add_library(${libname} ${type} ${sources_${libname}}) 310 set_target_compile_flags(${libname} ${extra_cflags_${libname}}) 311 set_target_link_flags(${libname} ${extra_link_flags_${libname}}) 312 set_property(TARGET ${libname} APPEND PROPERTY 313 COMPILE_DEFINITIONS ${LIB_DEFS}) 314 set_target_output_directories(${libname} ${output_dir_${libname}}) 315 install(TARGETS ${libname} 316 ARCHIVE DESTINATION ${install_dir_${libname}} 317 ${COMPONENT_OPTION} 318 LIBRARY DESTINATION ${install_dir_${libname}} 319 ${COMPONENT_OPTION} 320 RUNTIME DESTINATION ${install_dir_${libname}} 321 ${COMPONENT_OPTION}) 322 endif() 323 set_target_properties(${libname} PROPERTIES 324 OUTPUT_NAME ${output_name_${libname}}) 325 set_target_properties(${libname} PROPERTIES FOLDER "Compiler-RT Runtime") 326 if(LIB_LINK_LIBS) 327 target_link_libraries(${libname} PRIVATE ${LIB_LINK_LIBS}) 328 endif() 329 if(${type} STREQUAL "SHARED") 330 if(COMMAND llvm_setup_rpath) 331 llvm_setup_rpath(${libname}) 332 endif() 333 if(WIN32 AND NOT CYGWIN AND NOT MINGW) 334 set_target_properties(${libname} PROPERTIES IMPORT_PREFIX "") 335 set_target_properties(${libname} PROPERTIES IMPORT_SUFFIX ".lib") 336 endif() 337 if(APPLE) 338 # Ad-hoc sign the dylibs 339 add_custom_command(TARGET ${libname} 340 POST_BUILD 341 COMMAND codesign --sign - $<TARGET_FILE:${libname}> 342 WORKING_DIRECTORY ${COMPILER_RT_LIBRARY_OUTPUT_DIR} 343 ) 344 endif() 345 endif() 346 347 set(parent_target_arg) 348 if(LIB_PARENT_TARGET) 349 set(parent_target_arg PARENT_TARGET ${LIB_PARENT_TARGET}) 350 endif() 351 add_compiler_rt_install_targets(${libname} ${parent_target_arg}) 352 353 if(APPLE) 354 set_target_properties(${libname} PROPERTIES 355 OSX_ARCHITECTURES "${LIB_ARCHS_${libname}}") 356 endif() 357 358 if(type STREQUAL "SHARED") 359 rt_externalize_debuginfo(${libname}) 360 endif() 361 endforeach() 362 if(LIB_PARENT_TARGET) 363 add_dependencies(${LIB_PARENT_TARGET} ${libnames}) 364 endif() 365endfunction() 366 367# when cross compiling, COMPILER_RT_TEST_COMPILER_CFLAGS help 368# in compilation and linking of unittests. 369string(REPLACE " " ";" COMPILER_RT_UNITTEST_CFLAGS "${COMPILER_RT_TEST_COMPILER_CFLAGS}") 370set(COMPILER_RT_UNITTEST_LINK_FLAGS ${COMPILER_RT_UNITTEST_CFLAGS}) 371 372# Unittests support. 373set(COMPILER_RT_GTEST_PATH ${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest) 374set(COMPILER_RT_GTEST_SOURCE ${COMPILER_RT_GTEST_PATH}/src/gtest-all.cc) 375set(COMPILER_RT_GTEST_CFLAGS 376 -DGTEST_NO_LLVM_SUPPORT=1 377 -DGTEST_HAS_RTTI=0 378 -I${COMPILER_RT_GTEST_PATH}/include 379 -I${COMPILER_RT_GTEST_PATH} 380) 381 382# Mocking support. 383set(COMPILER_RT_GMOCK_PATH ${LLVM_MAIN_SRC_DIR}/utils/unittest/googlemock) 384set(COMPILER_RT_GMOCK_SOURCE ${COMPILER_RT_GMOCK_PATH}/src/gmock-all.cc) 385set(COMPILER_RT_GMOCK_CFLAGS 386 -DGTEST_NO_LLVM_SUPPORT=1 387 -DGTEST_HAS_RTTI=0 388 -I${COMPILER_RT_GMOCK_PATH}/include 389 -I${COMPILER_RT_GMOCK_PATH} 390) 391 392append_list_if(COMPILER_RT_DEBUG -DSANITIZER_DEBUG=1 COMPILER_RT_UNITTEST_CFLAGS) 393append_list_if(COMPILER_RT_HAS_WCOVERED_SWITCH_DEFAULT_FLAG -Wno-covered-switch-default COMPILER_RT_UNITTEST_CFLAGS) 394 395if(MSVC) 396 # gtest use a lot of stuff marked as deprecated on Windows. 397 list(APPEND COMPILER_RT_GTEST_CFLAGS -Wno-deprecated-declarations) 398endif() 399 400# Compile and register compiler-rt tests. 401# generate_compiler_rt_tests(<output object files> <test_suite> <test_name> 402# <test architecture> 403# KIND <custom prefix> 404# SUBDIR <subdirectory for testing binary> 405# SOURCES <sources to compile> 406# RUNTIME <tests runtime to link in> 407# CFLAGS <compile-time flags> 408# COMPILE_DEPS <compile-time dependencies> 409# DEPS <dependencies> 410# LINK_FLAGS <flags to use during linking> 411# ) 412function(generate_compiler_rt_tests test_objects test_suite testname arch) 413 cmake_parse_arguments(TEST "" "KIND;RUNTIME;SUBDIR" 414 "SOURCES;COMPILE_DEPS;DEPS;CFLAGS;LINK_FLAGS" ${ARGN}) 415 416 foreach(source ${TEST_SOURCES}) 417 sanitizer_test_compile( 418 "${test_objects}" "${source}" "${arch}" 419 KIND ${TEST_KIND} 420 COMPILE_DEPS ${TEST_COMPILE_DEPS} 421 DEPS ${TEST_DEPS} 422 CFLAGS ${TEST_CFLAGS} 423 ) 424 endforeach() 425 426 set(TEST_DEPS ${${test_objects}}) 427 428 if(NOT "${TEST_RUNTIME}" STREQUAL "") 429 list(APPEND TEST_DEPS ${TEST_RUNTIME}) 430 list(APPEND "${test_objects}" $<TARGET_FILE:${TEST_RUNTIME}>) 431 endif() 432 433 add_compiler_rt_test(${test_suite} "${testname}" "${arch}" 434 SUBDIR ${TEST_SUBDIR} 435 OBJECTS ${${test_objects}} 436 DEPS ${TEST_DEPS} 437 LINK_FLAGS ${TEST_LINK_FLAGS} 438 ) 439 set("${test_objects}" "${${test_objects}}" PARENT_SCOPE) 440endfunction() 441 442# Link objects into a single executable with COMPILER_RT_TEST_COMPILER, 443# using specified link flags. Make executable a part of provided 444# test_suite. 445# add_compiler_rt_test(<test_suite> <test_name> <arch> 446# SUBDIR <subdirectory for binary> 447# OBJECTS <object files> 448# DEPS <deps (e.g. runtime libs)> 449# LINK_FLAGS <link flags>) 450function(add_compiler_rt_test test_suite test_name arch) 451 cmake_parse_arguments(TEST "" "SUBDIR" "OBJECTS;DEPS;LINK_FLAGS" "" ${ARGN}) 452 set(output_dir ${CMAKE_CURRENT_BINARY_DIR}) 453 if(TEST_SUBDIR) 454 set(output_dir "${output_dir}/${TEST_SUBDIR}") 455 endif() 456 set(output_dir "${output_dir}/${CMAKE_CFG_INTDIR}") 457 file(MAKE_DIRECTORY "${output_dir}") 458 set(output_bin "${output_dir}/${test_name}") 459 if(MSVC) 460 set(output_bin "${output_bin}.exe") 461 endif() 462 463 # Use host compiler in a standalone build, and just-built Clang otherwise. 464 if(NOT COMPILER_RT_STANDALONE_BUILD) 465 list(APPEND TEST_DEPS clang) 466 endif() 467 468 get_target_flags_for_arch(${arch} TARGET_LINK_FLAGS) 469 list(APPEND TEST_LINK_FLAGS ${TARGET_LINK_FLAGS}) 470 471 # If we're not on MSVC, include the linker flags from CMAKE but override them 472 # with the provided link flags. This ensures that flags which are required to 473 # link programs at all are included, but the changes needed for the test 474 # trump. With MSVC we can't do that because CMake is set up to run link.exe 475 # when linking, not the compiler. Here, we hack it to use the compiler 476 # because we want to use -fsanitize flags. 477 if(NOT MSVC) 478 set(TEST_LINK_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${TEST_LINK_FLAGS}") 479 separate_arguments(TEST_LINK_FLAGS) 480 endif() 481 if(NOT COMPILER_RT_STANDALONE_BUILD AND COMPILER_RT_HAS_LLD AND "lld" IN_LIST LLVM_ENABLE_PROJECTS) 482 # CMAKE_EXE_LINKER_FLAGS may contain -fuse=lld 483 # FIXME: -DLLVM_ENABLE_LLD=ON and -DLLVM_ENABLE_PROJECTS without lld case. 484 list(APPEND TEST_DEPS lld) 485 endif() 486 add_custom_command( 487 OUTPUT "${output_bin}" 488 COMMAND ${COMPILER_RT_TEST_COMPILER} ${TEST_OBJECTS} -o "${output_bin}" 489 ${TEST_LINK_FLAGS} 490 DEPENDS ${TEST_DEPS} 491 ) 492 add_custom_target(T${test_name} DEPENDS "${output_bin}") 493 set_target_properties(T${test_name} PROPERTIES FOLDER "Compiler-RT Tests") 494 495 # Make the test suite depend on the binary. 496 add_dependencies(${test_suite} T${test_name}) 497endfunction() 498 499macro(add_compiler_rt_resource_file target_name file_name component) 500 set(src_file "${CMAKE_CURRENT_SOURCE_DIR}/${file_name}") 501 set(dst_file "${COMPILER_RT_OUTPUT_DIR}/share/${file_name}") 502 add_custom_command(OUTPUT ${dst_file} 503 DEPENDS ${src_file} 504 COMMAND ${CMAKE_COMMAND} -E copy_if_different ${src_file} ${dst_file} 505 COMMENT "Copying ${file_name}...") 506 add_custom_target(${target_name} DEPENDS ${dst_file}) 507 # Install in Clang resource directory. 508 install(FILES ${file_name} 509 DESTINATION ${COMPILER_RT_INSTALL_PATH}/share 510 COMPONENT ${component}) 511 add_dependencies(${component} ${target_name}) 512 513 set_target_properties(${target_name} PROPERTIES FOLDER "Compiler-RT Misc") 514endmacro() 515 516macro(add_compiler_rt_script name) 517 set(dst ${COMPILER_RT_EXEC_OUTPUT_DIR}/${name}) 518 set(src ${CMAKE_CURRENT_SOURCE_DIR}/${name}) 519 add_custom_command(OUTPUT ${dst} 520 DEPENDS ${src} 521 COMMAND ${CMAKE_COMMAND} -E copy_if_different ${src} ${dst} 522 COMMENT "Copying ${name}...") 523 add_custom_target(${name} DEPENDS ${dst}) 524 install(FILES ${dst} 525 PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE 526 DESTINATION ${COMPILER_RT_INSTALL_PATH}/bin) 527endmacro(add_compiler_rt_script src name) 528 529# Builds custom version of libc++ and installs it in <prefix>. 530# Can be used to build sanitized versions of libc++ for running unit tests. 531# add_custom_libcxx(<name> <prefix> 532# DEPS <list of build deps> 533# CFLAGS <list of compile flags> 534# USE_TOOLCHAIN) 535macro(add_custom_libcxx name prefix) 536 if(NOT COMPILER_RT_LIBCXX_PATH) 537 message(FATAL_ERROR "libcxx not found!") 538 endif() 539 if(NOT COMPILER_RT_LIBCXXABI_PATH) 540 message(FATAL_ERROR "libcxxabi not found!") 541 endif() 542 543 cmake_parse_arguments(LIBCXX "USE_TOOLCHAIN" "" "DEPS;CFLAGS;CMAKE_ARGS" ${ARGN}) 544 545 if(LIBCXX_USE_TOOLCHAIN) 546 set(compiler_args -DCMAKE_C_COMPILER=${COMPILER_RT_TEST_COMPILER} 547 -DCMAKE_CXX_COMPILER=${COMPILER_RT_TEST_CXX_COMPILER}) 548 if(NOT COMPILER_RT_STANDALONE_BUILD AND NOT RUNTIMES_BUILD) 549 set(toolchain_deps $<TARGET_FILE:clang>) 550 set(force_deps DEPENDS $<TARGET_FILE:clang>) 551 endif() 552 else() 553 set(compiler_args -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER} 554 -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}) 555 endif() 556 557 set(STAMP_DIR ${prefix}-stamps/) 558 set(BINARY_DIR ${prefix}-bins/) 559 560 add_custom_target(${name}-clear 561 COMMAND ${CMAKE_COMMAND} -E remove_directory ${BINARY_DIR} 562 COMMAND ${CMAKE_COMMAND} -E remove_directory ${STAMP_DIR} 563 COMMENT "Clobbering ${name} build and stamp directories" 564 USES_TERMINAL 565 ) 566 set_target_properties(${name}-clear PROPERTIES FOLDER "Compiler-RT Misc") 567 568 add_custom_command( 569 OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${name}-clobber-stamp 570 DEPENDS ${LIBCXX_DEPS} ${toolchain_deps} 571 COMMAND ${CMAKE_COMMAND} -E touch ${BINARY_DIR}/CMakeCache.txt 572 COMMAND ${CMAKE_COMMAND} -E touch ${STAMP_DIR}/${name}-mkdir 573 COMMAND ${CMAKE_COMMAND} -E touch ${CMAKE_CURRENT_BINARY_DIR}/${name}-clobber-stamp 574 COMMENT "Clobbering bootstrap build and stamp directories" 575 ) 576 577 add_custom_target(${name}-clobber 578 DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${name}-clobber-stamp) 579 set_target_properties(${name}-clobber PROPERTIES FOLDER "Compiler-RT Misc") 580 581 set(PASSTHROUGH_VARIABLES 582 CMAKE_C_COMPILER_TARGET 583 CMAKE_CXX_COMPILER_TARGET 584 CMAKE_SHARED_LINKER_FLAGS 585 CMAKE_MODULE_LINKER_FLAGS 586 CMAKE_EXE_LINKER_FLAGS 587 CMAKE_INSTALL_PREFIX 588 CMAKE_MAKE_PROGRAM 589 CMAKE_LINKER 590 CMAKE_AR 591 CMAKE_RANLIB 592 CMAKE_NM 593 CMAKE_OBJCOPY 594 CMAKE_OBJDUMP 595 CMAKE_STRIP 596 CMAKE_SYSROOT 597 CMAKE_SYSTEM_NAME) 598 foreach(variable ${PASSTHROUGH_VARIABLES}) 599 get_property(is_value_set CACHE ${variable} PROPERTY VALUE SET) 600 if(${is_value_set}) 601 get_property(value CACHE ${variable} PROPERTY VALUE) 602 list(APPEND CMAKE_PASSTHROUGH_VARIABLES -D${variable}=${value}) 603 endif() 604 endforeach() 605 606 string(REPLACE ";" " " LIBCXX_C_FLAGS "${LIBCXX_CFLAGS}") 607 get_property(C_FLAGS CACHE CMAKE_C_FLAGS PROPERTY VALUE) 608 set(LIBCXX_C_FLAGS "${LIBCXX_C_FLAGS} ${C_FLAGS}") 609 610 string(REPLACE ";" " " LIBCXX_CXX_FLAGS "${LIBCXX_CFLAGS}") 611 get_property(CXX_FLAGS CACHE CMAKE_CXX_FLAGS PROPERTY VALUE) 612 set(LIBCXX_CXX_FLAGS "${LIBCXX_CXX_FLAGS} ${CXX_FLAGS}") 613 614 ExternalProject_Add(${name} 615 DEPENDS ${name}-clobber ${LIBCXX_DEPS} 616 PREFIX ${prefix} 617 SOURCE_DIR ${COMPILER_RT_SOURCE_DIR}/cmake/Modules/CustomLibcxx 618 STAMP_DIR ${STAMP_DIR} 619 BINARY_DIR ${BINARY_DIR} 620 CMAKE_ARGS ${CMAKE_PASSTHROUGH_VARIABLES} 621 ${compiler_args} 622 -DCMAKE_C_FLAGS=${LIBCXX_C_FLAGS} 623 -DCMAKE_CXX_FLAGS=${LIBCXX_CXX_FLAGS} 624 -DCMAKE_BUILD_TYPE=Release 625 -DCMAKE_TRY_COMPILE_TARGET_TYPE=STATIC_LIBRARY 626 -DLLVM_PATH=${LLVM_MAIN_SRC_DIR} 627 -DLLVM_BINARY_DIR=${prefix} 628 -DLLVM_LIBRARY_OUTPUT_INTDIR=${prefix}/lib 629 -DCOMPILER_RT_LIBCXX_PATH=${COMPILER_RT_LIBCXX_PATH} 630 -DCOMPILER_RT_LIBCXXABI_PATH=${COMPILER_RT_LIBCXXABI_PATH} 631 ${LIBCXX_CMAKE_ARGS} 632 INSTALL_COMMAND "" 633 STEP_TARGETS configure build 634 BUILD_ALWAYS 1 635 USES_TERMINAL_CONFIGURE 1 636 USES_TERMINAL_BUILD 1 637 USES_TERMINAL_INSTALL 1 638 EXCLUDE_FROM_ALL TRUE 639 BUILD_BYPRODUCTS "${prefix}/lib/libc++.a" "${prefix}/lib/libc++abi.a" 640 ) 641 642 if (CMAKE_GENERATOR MATCHES "Make") 643 set(run_clean "$(MAKE)" "-C" "${BINARY_DIR}" "clean") 644 else() 645 set(run_clean ${CMAKE_COMMAND} --build ${BINARY_DIR} --target clean 646 --config "$<CONFIG>") 647 endif() 648 649 ExternalProject_Add_Step(${name} clean 650 COMMAND ${run_clean} 651 COMMENT "Cleaning ${name}..." 652 DEPENDEES configure 653 ${force_deps} 654 WORKING_DIRECTORY ${BINARY_DIR} 655 EXCLUDE_FROM_MAIN 1 656 USES_TERMINAL 1 657 ) 658 ExternalProject_Add_StepTargets(${name} clean) 659 660 if(LIBCXX_USE_TOOLCHAIN) 661 add_dependencies(${name}-clean ${name}-clobber) 662 set_target_properties(${name}-clean PROPERTIES 663 SOURCES ${CMAKE_CURRENT_BINARY_DIR}/${name}-clobber-stamp) 664 endif() 665endmacro() 666 667function(rt_externalize_debuginfo name) 668 if(NOT COMPILER_RT_EXTERNALIZE_DEBUGINFO) 669 return() 670 endif() 671 672 if(NOT COMPILER_RT_EXTERNALIZE_DEBUGINFO_SKIP_STRIP) 673 set(strip_command COMMAND xcrun strip -Sl $<TARGET_FILE:${name}>) 674 endif() 675 676 if(APPLE) 677 if(CMAKE_CXX_FLAGS MATCHES "-flto" 678 OR CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE} MATCHES "-flto") 679 680 set(lto_object ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${name}-lto.o) 681 set_property(TARGET ${name} APPEND_STRING PROPERTY 682 LINK_FLAGS " -Wl,-object_path_lto -Wl,${lto_object}") 683 endif() 684 add_custom_command(TARGET ${name} POST_BUILD 685 COMMAND xcrun dsymutil $<TARGET_FILE:${name}> 686 ${strip_command}) 687 else() 688 message(FATAL_ERROR "COMPILER_RT_EXTERNALIZE_DEBUGINFO isn't implemented for non-darwin platforms!") 689 endif() 690endfunction() 691 692 693# Configure lit configuration files, including compiler-rt specific variables. 694function(configure_compiler_rt_lit_site_cfg input output) 695 set_llvm_build_mode() 696 697 get_compiler_rt_output_dir(${COMPILER_RT_DEFAULT_TARGET_ARCH} output_dir) 698 699 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} COMPILER_RT_RESOLVED_TEST_COMPILER ${COMPILER_RT_TEST_COMPILER}) 700 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} COMPILER_RT_RESOLVED_LIBRARY_OUTPUT_DIR ${output_dir}) 701 702 configure_lit_site_cfg(${input} ${output}) 703endfunction() 704