1include(LLVMDistributionSupport) 2include(LLVMProcessSources) 3include(LLVM-Config) 4include(DetermineGCCCompatible) 5 6function(llvm_update_compile_flags name) 7 get_property(sources TARGET ${name} PROPERTY SOURCES) 8 if("${sources}" MATCHES "\\.c(;|$)") 9 set(update_src_props ON) 10 endif() 11 12 list(APPEND LLVM_COMPILE_CFLAGS " ${LLVM_COMPILE_FLAGS}") 13 14 # LLVM_REQUIRES_EH is an internal flag that individual targets can use to 15 # force EH 16 if(LLVM_REQUIRES_EH OR LLVM_ENABLE_EH) 17 if(NOT (LLVM_REQUIRES_RTTI OR LLVM_ENABLE_RTTI)) 18 message(AUTHOR_WARNING "Exception handling requires RTTI. Enabling RTTI for ${name}") 19 set(LLVM_REQUIRES_RTTI ON) 20 endif() 21 if(MSVC) 22 list(APPEND LLVM_COMPILE_FLAGS "/EHsc") 23 endif() 24 else() 25 if(LLVM_COMPILER_IS_GCC_COMPATIBLE) 26 list(APPEND LLVM_COMPILE_FLAGS "-fno-exceptions") 27 if(NOT LLVM_ENABLE_UNWIND_TABLES) 28 list(APPEND LLVM_COMPILE_FLAGS "-fno-unwind-tables") 29 list(APPEND LLVM_COMPILE_FLAGS "-fno-asynchronous-unwind-tables") 30 endif() 31 elseif(MSVC) 32 list(APPEND LLVM_COMPILE_DEFINITIONS _HAS_EXCEPTIONS=0) 33 list(APPEND LLVM_COMPILE_FLAGS "/EHs-c-") 34 elseif (CMAKE_CXX_COMPILER_ID MATCHES "XL") 35 list(APPEND LLVM_COMPILE_FLAGS "-qnoeh") 36 endif() 37 endif() 38 39 # LLVM_REQUIRES_RTTI is an internal flag that individual 40 # targets can use to force RTTI 41 set(LLVM_CONFIG_HAS_RTTI YES CACHE INTERNAL "") 42 if(NOT (LLVM_REQUIRES_RTTI OR LLVM_ENABLE_RTTI)) 43 set(LLVM_CONFIG_HAS_RTTI NO CACHE INTERNAL "") 44 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_RTTI=0) 45 if (LLVM_COMPILER_IS_GCC_COMPATIBLE) 46 list(APPEND LLVM_COMPILE_FLAGS "-fno-rtti") 47 elseif (MSVC) 48 list(APPEND LLVM_COMPILE_FLAGS "/GR-") 49 elseif (CMAKE_CXX_COMPILER_ID MATCHES "XL") 50 list(APPEND LLVM_COMPILE_FLAGS "-qnortti") 51 endif () 52 elseif(MSVC) 53 list(APPEND LLVM_COMPILE_FLAGS "/GR") 54 endif() 55 56 # Assume that; 57 # - LLVM_COMPILE_FLAGS is list. 58 # - PROPERTY COMPILE_FLAGS is string. 59 string(REPLACE ";" " " target_compile_flags " ${LLVM_COMPILE_FLAGS}") 60 string(REPLACE ";" " " target_compile_cflags " ${LLVM_COMPILE_CFLAGS}") 61 62 if(update_src_props) 63 foreach(fn ${sources}) 64 get_filename_component(suf ${fn} EXT) 65 if("${suf}" STREQUAL ".cpp") 66 set_property(SOURCE ${fn} APPEND_STRING PROPERTY 67 COMPILE_FLAGS "${target_compile_flags}") 68 endif() 69 if("${suf}" STREQUAL ".c") 70 set_property(SOURCE ${fn} APPEND_STRING PROPERTY 71 COMPILE_FLAGS "${target_compile_cflags}") 72 endif() 73 endforeach() 74 else() 75 # Update target props, since all sources are C++. 76 set_property(TARGET ${name} APPEND_STRING PROPERTY 77 COMPILE_FLAGS "${target_compile_flags}") 78 endif() 79 80 set_property(TARGET ${name} APPEND PROPERTY COMPILE_DEFINITIONS ${LLVM_COMPILE_DEFINITIONS}) 81endfunction() 82 83function(add_llvm_symbol_exports target_name export_file) 84 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") 85 set(native_export_file "${target_name}.exports") 86 add_custom_command(OUTPUT ${native_export_file} 87 COMMAND sed -e "s/^/_/" < ${export_file} > ${native_export_file} 88 DEPENDS ${export_file} 89 VERBATIM 90 COMMENT "Creating export file for ${target_name}") 91 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 92 LINK_FLAGS " -Wl,-exported_symbols_list,\"${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}\"") 93 elseif(${CMAKE_SYSTEM_NAME} MATCHES "AIX") 94 # FIXME: `-Wl,-bE:` bypasses whatever handling there is in the build 95 # compiler driver to defer to the specified export list. 96 set(native_export_file "${export_file}") 97 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 98 LINK_FLAGS " -Wl,-bE:${export_file}") 99 elseif(LLVM_HAVE_LINK_VERSION_SCRIPT) 100 # Gold and BFD ld require a version script rather than a plain list. 101 set(native_export_file "${target_name}.exports") 102 # FIXME: Don't write the "local:" line on OpenBSD. 103 # in the export file, also add a linker script to version LLVM symbols (form: LLVM_N.M) 104 add_custom_command(OUTPUT ${native_export_file} 105 COMMAND echo "LLVM_${LLVM_VERSION_MAJOR} {" > ${native_export_file} 106 COMMAND grep -q "[[:alnum:]]" ${export_file} && echo " global:" >> ${native_export_file} || : 107 COMMAND sed -e "s/$/;/" -e "s/^/ /" < ${export_file} >> ${native_export_file} 108 COMMAND echo " local: *;" >> ${native_export_file} 109 COMMAND echo "};" >> ${native_export_file} 110 DEPENDS ${export_file} 111 VERBATIM 112 COMMENT "Creating export file for ${target_name}") 113 if (${LLVM_LINKER_IS_SOLARISLD}) 114 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 115 LINK_FLAGS " -Wl,-M,\"${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}\"") 116 else() 117 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 118 LINK_FLAGS " -Wl,--version-script,\"${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}\"") 119 endif() 120 else() 121 set(native_export_file "${target_name}.def") 122 123 add_custom_command(OUTPUT ${native_export_file} 124 COMMAND "${Python3_EXECUTABLE}" -c "import sys;print(''.join(['EXPORTS\\n']+sys.stdin.readlines(),))" 125 < ${export_file} > ${native_export_file} 126 DEPENDS ${export_file} 127 VERBATIM 128 COMMENT "Creating export file for ${target_name}") 129 set(export_file_linker_flag "${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") 130 if(MSVC) 131 set(export_file_linker_flag "/DEF:\"${export_file_linker_flag}\"") 132 endif() 133 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 134 LINK_FLAGS " ${export_file_linker_flag}") 135 endif() 136 137 add_custom_target(${target_name}_exports DEPENDS ${native_export_file}) 138 set_target_properties(${target_name}_exports PROPERTIES FOLDER "Misc") 139 140 get_property(srcs TARGET ${target_name} PROPERTY SOURCES) 141 foreach(src ${srcs}) 142 get_filename_component(extension ${src} EXT) 143 if(extension STREQUAL ".cpp") 144 set(first_source_file ${src}) 145 break() 146 endif() 147 endforeach() 148 149 # Force re-linking when the exports file changes. Actually, it 150 # forces recompilation of the source file. The LINK_DEPENDS target 151 # property only works for makefile-based generators. 152 # FIXME: This is not safe because this will create the same target 153 # ${native_export_file} in several different file: 154 # - One where we emitted ${target_name}_exports 155 # - One where we emitted the build command for the following object. 156 # set_property(SOURCE ${first_source_file} APPEND PROPERTY 157 # OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}) 158 159 set_property(DIRECTORY APPEND 160 PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${native_export_file}) 161 162 add_dependencies(${target_name} ${target_name}_exports) 163 164 # Add dependency to *_exports later -- CMake issue 14747 165 list(APPEND LLVM_COMMON_DEPENDS ${target_name}_exports) 166 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} PARENT_SCOPE) 167endfunction(add_llvm_symbol_exports) 168 169if (NOT DEFINED LLVM_LINKER_DETECTED AND NOT WIN32) 170 # Detect what linker we have here. 171 if(APPLE) 172 # Linkers with ld64-compatible flags. 173 set(version_flag "-Wl,-v") 174 else() 175 # Linkers with BFD ld-compatible flags. 176 set(version_flag "-Wl,--version") 177 endif() 178 179 if(LLVM_USE_LINKER) 180 set(command ${CMAKE_C_COMPILER} -fuse-ld=${LLVM_USE_LINKER} ${version_flag}) 181 else() 182 separate_arguments(flags UNIX_COMMAND "${CMAKE_EXE_LINKER_FLAGS}") 183 set(command ${CMAKE_C_COMPILER} ${flags} ${version_flag}) 184 endif() 185 execute_process( 186 COMMAND ${command} 187 OUTPUT_VARIABLE stdout 188 ERROR_VARIABLE stderr 189 ) 190 191 if(APPLE) 192 if("${stderr}" MATCHES "PROJECT:ld64") 193 set(LLVM_LINKER_DETECTED YES CACHE INTERNAL "") 194 set(LLVM_LINKER_IS_LD64 YES CACHE INTERNAL "") 195 message(STATUS "Linker detection: ld64") 196 elseif("${stderr}" MATCHES "^LLD" OR 197 "${stdout}" MATCHES "^LLD") 198 set(LLVM_LINKER_DETECTED YES CACHE INTERNAL "") 199 set(LLVM_LINKER_IS_LLD YES CACHE INTERNAL "") 200 message(STATUS "Linker detection: lld") 201 else() 202 set(LLVM_LINKER_DETECTED NO CACHE INTERNAL "") 203 message(STATUS "Linker detection: unknown") 204 endif() 205 else() 206 if("${stdout}" MATCHES "^mold") 207 set(LLVM_LINKER_DETECTED YES CACHE INTERNAL "") 208 message(STATUS "Linker detection: mold") 209 elseif("${stdout}" MATCHES "GNU gold") 210 set(LLVM_LINKER_DETECTED YES CACHE INTERNAL "") 211 set(LLVM_LINKER_IS_GOLD YES CACHE INTERNAL "") 212 message(STATUS "Linker detection: GNU Gold") 213 elseif("${stdout}" MATCHES "^LLD") 214 set(LLVM_LINKER_DETECTED YES CACHE INTERNAL "") 215 set(LLVM_LINKER_IS_LLD YES CACHE INTERNAL "") 216 message(STATUS "Linker detection: LLD") 217 elseif("${stdout}" MATCHES "GNU ld") 218 set(LLVM_LINKER_DETECTED YES CACHE INTERNAL "") 219 set(LLVM_LINKER_IS_GNULD YES CACHE INTERNAL "") 220 message(STATUS "Linker detection: GNU ld") 221 elseif("${stderr}" MATCHES "Solaris Link Editors" OR 222 "${stdout}" MATCHES "Solaris Link Editors") 223 set(LLVM_LINKER_DETECTED YES CACHE INTERNAL "") 224 set(LLVM_LINKER_IS_SOLARISLD YES CACHE INTERNAL "") 225 message(STATUS "Linker detection: Solaris ld") 226 else() 227 set(LLVM_LINKER_DETECTED NO CACHE INTERNAL "") 228 message(STATUS "Linker detection: unknown") 229 endif() 230 endif() 231endif() 232 233function(add_link_opts target_name) 234 get_llvm_distribution(${target_name} in_distribution in_distribution_var) 235 if(NOT in_distribution) 236 # Don't LTO optimize targets that aren't part of any distribution. 237 if (LLVM_ENABLE_LTO) 238 # We may consider avoiding LTO altogether by using -fembed-bitcode 239 # and teaching the linker to select machine code from .o files, see 240 # https://lists.llvm.org/pipermail/llvm-dev/2021-April/149843.html 241 if((UNIX OR MINGW) AND LINKER_IS_LLD) 242 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 243 LINK_FLAGS " -Wl,--lto-O0") 244 elseif(LINKER_IS_LLD_LINK) 245 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 246 LINK_FLAGS " /opt:lldlto=0") 247 elseif(APPLE AND NOT uppercase_LLVM_ENABLE_LTO STREQUAL "THIN") 248 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 249 LINK_FLAGS " -Wl,-mllvm,-O0") 250 endif() 251 endif() 252 endif() 253 254 # Don't use linker optimizations in debug builds since it slows down the 255 # linker in a context where the optimizations are not important. 256 if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG") 257 258 # Pass -O3 to the linker. This enabled different optimizations on different 259 # linkers. 260 if(NOT (CMAKE_SYSTEM_NAME MATCHES "Darwin|SunOS|AIX|OS390" OR WIN32) AND in_distribution) 261 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 262 LINK_FLAGS " -Wl,-O3") 263 endif() 264 265 if(NOT LLVM_NO_DEAD_STRIP) 266 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") 267 # ld64's implementation of -dead_strip breaks tools that use plugins. 268 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 269 LINK_FLAGS " -Wl,-dead_strip") 270 elseif(${CMAKE_SYSTEM_NAME} MATCHES "SunOS") 271 # Support for ld -z discard-unused=sections was only added in 272 # Solaris 11.4. 273 include(LLVMCheckLinkerFlag) 274 llvm_check_linker_flag(CXX "-Wl,-z,discard-unused=sections" LINKER_SUPPORTS_Z_DISCARD_UNUSED) 275 if (LINKER_SUPPORTS_Z_DISCARD_UNUSED) 276 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 277 LINK_FLAGS " -Wl,-z,discard-unused=sections") 278 endif() 279 elseif(NOT MSVC AND NOT CMAKE_SYSTEM_NAME MATCHES "AIX|OS390") 280 # TODO Revisit this later on z/OS. 281 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 282 LINK_FLAGS " -Wl,--gc-sections") 283 endif() 284 else() #LLVM_NO_DEAD_STRIP 285 if(${CMAKE_SYSTEM_NAME} MATCHES "AIX") 286 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 287 LINK_FLAGS " -Wl,-bnogc") 288 endif() 289 endif() 290 endif() 291 292 if(ARG_SUPPORT_PLUGINS AND ${CMAKE_SYSTEM_NAME} MATCHES "AIX") 293 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 294 LINK_FLAGS " -Wl,-brtl") 295 endif() 296endfunction(add_link_opts) 297 298# Set each output directory according to ${CMAKE_CONFIGURATION_TYPES}. 299# Note: Don't set variables CMAKE_*_OUTPUT_DIRECTORY any more, 300# or a certain builder, for eaxample, msbuild.exe, would be confused. 301function(set_output_directory target) 302 cmake_parse_arguments(ARG "" "BINARY_DIR;LIBRARY_DIR" "" ${ARGN}) 303 304 # module_dir -- corresponding to LIBRARY_OUTPUT_DIRECTORY. 305 # It affects output of add_library(MODULE). 306 if(WIN32 OR CYGWIN) 307 # DLL platform 308 set(module_dir ${ARG_BINARY_DIR}) 309 else() 310 set(module_dir ${ARG_LIBRARY_DIR}) 311 endif() 312 if(NOT "${CMAKE_CFG_INTDIR}" STREQUAL ".") 313 foreach(build_mode ${CMAKE_CONFIGURATION_TYPES}) 314 string(TOUPPER "${build_mode}" CONFIG_SUFFIX) 315 if(ARG_BINARY_DIR) 316 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} bi ${ARG_BINARY_DIR}) 317 set_target_properties(${target} PROPERTIES "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${bi}) 318 endif() 319 if(ARG_LIBRARY_DIR) 320 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} li ${ARG_LIBRARY_DIR}) 321 set_target_properties(${target} PROPERTIES "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${li}) 322 endif() 323 if(module_dir) 324 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} mi ${module_dir}) 325 set_target_properties(${target} PROPERTIES "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${mi}) 326 endif() 327 endforeach() 328 else() 329 if(ARG_BINARY_DIR) 330 set_target_properties(${target} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${ARG_BINARY_DIR}) 331 endif() 332 if(ARG_LIBRARY_DIR) 333 set_target_properties(${target} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${ARG_LIBRARY_DIR}) 334 endif() 335 if(module_dir) 336 set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${module_dir}) 337 endif() 338 endif() 339endfunction() 340 341# If on Windows and building with MSVC, add the resource script containing the 342# VERSIONINFO data to the project. This embeds version resource information 343# into the output .exe or .dll. 344# TODO: Enable for MinGW Windows builds too. 345# 346function(add_windows_version_resource_file OUT_VAR) 347 set(sources ${ARGN}) 348 if (MSVC AND CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows") 349 set(resource_file ${LLVM_SOURCE_DIR}/resources/windows_version_resource.rc) 350 if(EXISTS ${resource_file}) 351 set(sources ${sources} ${resource_file}) 352 source_group("Resource Files" ${resource_file}) 353 set(windows_resource_file ${resource_file} PARENT_SCOPE) 354 endif() 355 endif(MSVC AND CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows") 356 357 set(${OUT_VAR} ${sources} PARENT_SCOPE) 358endfunction(add_windows_version_resource_file) 359 360# set_windows_version_resource_properties(name resource_file... 361# VERSION_MAJOR int 362# Optional major version number (defaults to LLVM_VERSION_MAJOR) 363# VERSION_MINOR int 364# Optional minor version number (defaults to LLVM_VERSION_MINOR) 365# VERSION_PATCHLEVEL int 366# Optional patchlevel version number (defaults to LLVM_VERSION_PATCH) 367# VERSION_STRING 368# Optional version string (defaults to PACKAGE_VERSION) 369# PRODUCT_NAME 370# Optional product name string (defaults to "LLVM") 371# ) 372function(set_windows_version_resource_properties name resource_file) 373 cmake_parse_arguments(ARG 374 "" 375 "VERSION_MAJOR;VERSION_MINOR;VERSION_PATCHLEVEL;VERSION_STRING;PRODUCT_NAME" 376 "" 377 ${ARGN}) 378 379 if (NOT DEFINED ARG_VERSION_MAJOR) 380 set(ARG_VERSION_MAJOR ${LLVM_VERSION_MAJOR}) 381 endif() 382 383 if (NOT DEFINED ARG_VERSION_MINOR) 384 set(ARG_VERSION_MINOR ${LLVM_VERSION_MINOR}) 385 endif() 386 387 if (NOT DEFINED ARG_VERSION_PATCHLEVEL) 388 set(ARG_VERSION_PATCHLEVEL ${LLVM_VERSION_PATCH}) 389 endif() 390 391 if (NOT DEFINED ARG_VERSION_STRING) 392 set(ARG_VERSION_STRING ${PACKAGE_VERSION}) 393 endif() 394 395 if (NOT DEFINED ARG_PRODUCT_NAME) 396 set(ARG_PRODUCT_NAME "LLVM") 397 endif() 398 399 set_property(SOURCE ${resource_file} 400 PROPERTY COMPILE_FLAGS /nologo) 401 set_property(SOURCE ${resource_file} 402 PROPERTY COMPILE_DEFINITIONS 403 "RC_VERSION_FIELD_1=${ARG_VERSION_MAJOR}" 404 "RC_VERSION_FIELD_2=${ARG_VERSION_MINOR}" 405 "RC_VERSION_FIELD_3=${ARG_VERSION_PATCHLEVEL}" 406 "RC_VERSION_FIELD_4=0" 407 "RC_FILE_VERSION=\"${ARG_VERSION_STRING}\"" 408 "RC_INTERNAL_NAME=\"${name}\"" 409 "RC_PRODUCT_NAME=\"${ARG_PRODUCT_NAME}\"" 410 "RC_PRODUCT_VERSION=\"${ARG_VERSION_STRING}\"") 411endfunction(set_windows_version_resource_properties) 412 413# llvm_add_library(name sources... 414# SHARED;STATIC 415# STATIC by default w/o BUILD_SHARED_LIBS. 416# SHARED by default w/ BUILD_SHARED_LIBS. 417# OBJECT 418# Also create an OBJECT library target. Default if STATIC && SHARED. 419# MODULE 420# Target ${name} might not be created on unsupported platforms. 421# Check with "if(TARGET ${name})". 422# DISABLE_LLVM_LINK_LLVM_DYLIB 423# Do not link this library to libLLVM, even if 424# LLVM_LINK_LLVM_DYLIB is enabled. 425# OUTPUT_NAME name 426# Corresponds to OUTPUT_NAME in target properties. 427# DEPENDS targets... 428# Same semantics as add_dependencies(). 429# LINK_COMPONENTS components... 430# Same as the variable LLVM_LINK_COMPONENTS. 431# LINK_LIBS lib_targets... 432# Same semantics as target_link_libraries(). 433# ADDITIONAL_HEADERS 434# May specify header files for IDE generators. 435# SONAME 436# Should set SONAME link flags and create symlinks 437# NO_INSTALL_RPATH 438# Suppress default RPATH settings in shared libraries. 439# PLUGIN_TOOL 440# The tool (i.e. cmake target) that this plugin will link against 441# COMPONENT_LIB 442# This is used to specify that this is a component library of 443# LLVM which means that the source resides in llvm/lib/ and it is a 444# candidate for inclusion into libLLVM.so. 445# ) 446function(llvm_add_library name) 447 cmake_parse_arguments(ARG 448 "MODULE;SHARED;STATIC;OBJECT;DISABLE_LLVM_LINK_LLVM_DYLIB;SONAME;NO_INSTALL_RPATH;COMPONENT_LIB" 449 "OUTPUT_NAME;PLUGIN_TOOL;ENTITLEMENTS;BUNDLE_PATH" 450 "ADDITIONAL_HEADERS;DEPENDS;LINK_COMPONENTS;LINK_LIBS;OBJLIBS" 451 ${ARGN}) 452 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS}) 453 if(ARG_ADDITIONAL_HEADERS) 454 # Pass through ADDITIONAL_HEADERS. 455 set(ARG_ADDITIONAL_HEADERS ADDITIONAL_HEADERS ${ARG_ADDITIONAL_HEADERS}) 456 endif() 457 if(ARG_OBJLIBS) 458 set(ALL_FILES ${ARG_OBJLIBS}) 459 else() 460 llvm_process_sources(ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ${ARG_ADDITIONAL_HEADERS}) 461 endif() 462 463 if(ARG_MODULE) 464 if(ARG_SHARED OR ARG_STATIC) 465 message(WARNING "MODULE with SHARED|STATIC doesn't make sense.") 466 endif() 467 # Plugins that link against a tool are allowed even when plugins in general are not 468 if(NOT LLVM_ENABLE_PLUGINS AND NOT (ARG_PLUGIN_TOOL AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS)) 469 message(STATUS "${name} ignored -- Loadable modules not supported on this platform.") 470 return() 471 endif() 472 else() 473 if(ARG_PLUGIN_TOOL) 474 message(WARNING "PLUGIN_TOOL without MODULE doesn't make sense.") 475 endif() 476 if(BUILD_SHARED_LIBS AND NOT ARG_STATIC) 477 set(ARG_SHARED TRUE) 478 endif() 479 if(NOT ARG_SHARED) 480 set(ARG_STATIC TRUE) 481 endif() 482 endif() 483 484 # Generate objlib 485 if((ARG_SHARED AND ARG_STATIC) OR ARG_OBJECT) 486 # Generate an obj library for both targets. 487 set(obj_name "obj.${name}") 488 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL 489 ${ALL_FILES} 490 ) 491 llvm_update_compile_flags(${obj_name}) 492 if(CMAKE_GENERATOR STREQUAL "Xcode") 493 set(DUMMY_FILE ${CMAKE_CURRENT_BINARY_DIR}/Dummy.c) 494 file(WRITE ${DUMMY_FILE} "// This file intentionally empty\n") 495 set_property(SOURCE ${DUMMY_FILE} APPEND_STRING PROPERTY COMPILE_FLAGS "-Wno-empty-translation-unit") 496 endif() 497 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>" ${DUMMY_FILE}) 498 499 # Do add_dependencies(obj) later due to CMake issue 14747. 500 list(APPEND objlibs ${obj_name}) 501 502 # Bring in the target include directories from our original target. 503 target_include_directories(${obj_name} PRIVATE $<TARGET_PROPERTY:${name},INCLUDE_DIRECTORIES>) 504 505 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") 506 if(ARG_DEPENDS) 507 add_dependencies(${obj_name} ${ARG_DEPENDS}) 508 endif() 509 # Treat link libraries like PUBLIC dependencies. LINK_LIBS might 510 # result in generating header files. Add a dependendency so that 511 # the generated header is created before this object library. 512 if(ARG_LINK_LIBS) 513 cmake_parse_arguments(LINK_LIBS_ARG 514 "" 515 "" 516 "PUBLIC;PRIVATE" 517 ${ARG_LINK_LIBS}) 518 foreach(link_lib ${LINK_LIBS_ARG_PUBLIC}) 519 if(LLVM_PTHREAD_LIB) 520 # Can't specify a dependence on -lpthread 521 if(NOT ${link_lib} STREQUAL ${LLVM_PTHREAD_LIB}) 522 add_dependencies(${obj_name} ${link_lib}) 523 endif() 524 else() 525 add_dependencies(${obj_name} ${link_lib}) 526 endif() 527 endforeach() 528 endif() 529 endif() 530 531 if(ARG_SHARED AND ARG_STATIC) 532 # static 533 set(name_static "${name}_static") 534 if(ARG_OUTPUT_NAME) 535 set(output_name OUTPUT_NAME "${ARG_OUTPUT_NAME}") 536 endif() 537 # DEPENDS has been appended to LLVM_COMMON_LIBS. 538 llvm_add_library(${name_static} STATIC 539 ${output_name} 540 OBJLIBS ${ALL_FILES} # objlib 541 LINK_LIBS ${ARG_LINK_LIBS} 542 LINK_COMPONENTS ${ARG_LINK_COMPONENTS} 543 ) 544 545 # Bring in the target link info from our original target. 546 target_link_directories(${name_static} PRIVATE $<TARGET_PROPERTY:${name},LINK_DIRECTORIES>) 547 target_link_libraries(${name_static} PRIVATE $<TARGET_PROPERTY:${name},LINK_LIBRARIES>) 548 549 # FIXME: Add name_static to anywhere in TARGET ${name}'s PROPERTY. 550 set(ARG_STATIC) 551 endif() 552 553 if(ARG_MODULE) 554 add_library(${name} MODULE ${ALL_FILES}) 555 elseif(ARG_SHARED) 556 add_windows_version_resource_file(ALL_FILES ${ALL_FILES}) 557 add_library(${name} SHARED ${ALL_FILES}) 558 else() 559 add_library(${name} STATIC ${ALL_FILES}) 560 endif() 561 562 if(ARG_COMPONENT_LIB) 563 set_target_properties(${name} PROPERTIES LLVM_COMPONENT TRUE) 564 set_property(GLOBAL APPEND PROPERTY LLVM_COMPONENT_LIBS ${name}) 565 endif() 566 567 if(NOT ARG_NO_INSTALL_RPATH) 568 if(ARG_MODULE OR ARG_SHARED) 569 llvm_setup_rpath(${name}) 570 endif() 571 endif() 572 573 setup_dependency_debugging(${name} ${LLVM_COMMON_DEPENDS}) 574 575 if(DEFINED windows_resource_file) 576 set_windows_version_resource_properties(${name} ${windows_resource_file}) 577 set(windows_resource_file ${windows_resource_file} PARENT_SCOPE) 578 endif() 579 580 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) 581 # $<TARGET_OBJECTS> doesn't require compile flags. 582 if(NOT obj_name) 583 llvm_update_compile_flags(${name}) 584 endif() 585 add_link_opts( ${name} ) 586 if(ARG_OUTPUT_NAME) 587 set_target_properties(${name} 588 PROPERTIES 589 OUTPUT_NAME ${ARG_OUTPUT_NAME} 590 ) 591 endif() 592 593 if(ARG_MODULE) 594 set_target_properties(${name} PROPERTIES 595 PREFIX "" 596 SUFFIX ${LLVM_PLUGIN_EXT} 597 ) 598 endif() 599 600 if(ARG_SHARED) 601 if(MSVC) 602 set_target_properties(${name} PROPERTIES 603 PREFIX "" 604 ) 605 endif() 606 607 # Set SOVERSION on shared libraries that lack explicit SONAME 608 # specifier, on *nix systems that are not Darwin. 609 if(UNIX AND NOT APPLE AND NOT ARG_SONAME) 610 set_target_properties(${name} 611 PROPERTIES 612 # Since 4.0.0, the ABI version is indicated by the major version 613 SOVERSION ${LLVM_VERSION_MAJOR}${LLVM_VERSION_SUFFIX} 614 VERSION ${LLVM_VERSION_MAJOR}${LLVM_VERSION_SUFFIX}) 615 endif() 616 endif() 617 618 if(ARG_MODULE OR ARG_SHARED) 619 # Do not add -Dname_EXPORTS to the command-line when building files in this 620 # target. Doing so is actively harmful for the modules build because it 621 # creates extra module variants, and not useful because we don't use these 622 # macros. 623 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) 624 625 if (LLVM_EXPORTED_SYMBOL_FILE) 626 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 627 endif() 628 endif() 629 630 if(ARG_SHARED) 631 if(NOT APPLE AND ARG_SONAME) 632 get_target_property(output_name ${name} OUTPUT_NAME) 633 if(${output_name} STREQUAL "output_name-NOTFOUND") 634 set(output_name ${name}) 635 endif() 636 set(library_name ${output_name}-${LLVM_VERSION_MAJOR}${LLVM_VERSION_SUFFIX}) 637 set(api_name ${output_name}-${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX}) 638 set_target_properties(${name} PROPERTIES OUTPUT_NAME ${library_name}) 639 if(UNIX) 640 llvm_install_library_symlink(${api_name} ${library_name} SHARED 641 COMPONENT ${name}) 642 llvm_install_library_symlink(${output_name} ${library_name} SHARED 643 COMPONENT ${name}) 644 endif() 645 endif() 646 endif() 647 648 if(ARG_STATIC) 649 set(libtype PUBLIC) 650 else() 651 # We can use PRIVATE since SO knows its dependent libs. 652 set(libtype PRIVATE) 653 endif() 654 655 if(ARG_MODULE AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS AND ARG_PLUGIN_TOOL AND (WIN32 OR CYGWIN)) 656 # On DLL platforms symbols are imported from the tool by linking against it. 657 set(llvm_libs ${ARG_PLUGIN_TOOL}) 658 elseif (NOT ARG_COMPONENT_LIB) 659 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB) 660 set(llvm_libs LLVM) 661 else() 662 llvm_map_components_to_libnames(llvm_libs 663 ${ARG_LINK_COMPONENTS} 664 ${LLVM_LINK_COMPONENTS} 665 ) 666 endif() 667 else() 668 # Components have not been defined explicitly in CMake, so add the 669 # dependency information for this library through their name, and let 670 # LLVMBuildResolveComponentsLink resolve the mapping. 671 # 672 # It would be nice to verify that we have the dependencies for this library 673 # name, but using get_property(... SET) doesn't suffice to determine if a 674 # property has been set to an empty value. 675 set_property(TARGET ${name} PROPERTY LLVM_LINK_COMPONENTS ${ARG_LINK_COMPONENTS} ${LLVM_LINK_COMPONENTS}) 676 677 # This property is an internal property only used to make sure the 678 # link step applied in LLVMBuildResolveComponentsLink uses the same 679 # property as the target_link_libraries call below. 680 set_property(TARGET ${name} PROPERTY LLVM_LIBTYPE ${libtype}) 681 endif() 682 683 target_link_libraries(${name} ${libtype} 684 ${ARG_LINK_LIBS} 685 ${lib_deps} 686 ${llvm_libs} 687 ) 688 689 if(LLVM_COMMON_DEPENDS) 690 add_dependencies(${name} ${LLVM_COMMON_DEPENDS}) 691 # Add dependencies also to objlibs. 692 # CMake issue 14747 -- add_dependencies() might be ignored to objlib's user. 693 foreach(objlib ${objlibs}) 694 add_dependencies(${objlib} ${LLVM_COMMON_DEPENDS}) 695 endforeach() 696 endif() 697 698 if(ARG_SHARED OR ARG_MODULE) 699 llvm_externalize_debuginfo(${name}) 700 llvm_codesign(${name} ENTITLEMENTS ${ARG_ENTITLEMENTS} BUNDLE_PATH ${ARG_BUNDLE_PATH}) 701 endif() 702 # clang and newer versions of ninja use high-resolutions timestamps, 703 # but older versions of libtool on Darwin don't, so the archive will 704 # often get an older timestamp than the last object that was added 705 # or updated. To fix this, we add a custom command to touch archive 706 # after it's been built so that ninja won't rebuild it unnecessarily 707 # the next time it's run. 708 if(ARG_STATIC AND LLVM_TOUCH_STATIC_LIBRARIES) 709 add_custom_command(TARGET ${name} 710 POST_BUILD 711 COMMAND touch ${LLVM_LIBRARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}${name}${CMAKE_STATIC_LIBRARY_SUFFIX} 712 ) 713 endif() 714endfunction() 715 716function(add_llvm_install_targets target) 717 cmake_parse_arguments(ARG "" "COMPONENT;PREFIX;SYMLINK" "DEPENDS" ${ARGN}) 718 if(ARG_COMPONENT) 719 set(component_option -DCMAKE_INSTALL_COMPONENT="${ARG_COMPONENT}") 720 endif() 721 if(ARG_PREFIX) 722 set(prefix_option -DCMAKE_INSTALL_PREFIX="${ARG_PREFIX}") 723 endif() 724 725 set(file_dependencies) 726 set(target_dependencies) 727 foreach(dependency ${ARG_DEPENDS}) 728 if(TARGET ${dependency}) 729 list(APPEND target_dependencies ${dependency}) 730 else() 731 list(APPEND file_dependencies ${dependency}) 732 endif() 733 endforeach() 734 735 add_custom_target(${target} 736 DEPENDS ${file_dependencies} 737 COMMAND "${CMAKE_COMMAND}" 738 ${component_option} 739 ${prefix_option} 740 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake" 741 USES_TERMINAL) 742 add_custom_target(${target}-stripped 743 DEPENDS ${file_dependencies} 744 COMMAND "${CMAKE_COMMAND}" 745 ${component_option} 746 ${prefix_option} 747 -DCMAKE_INSTALL_DO_STRIP=1 748 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake" 749 USES_TERMINAL) 750 if(target_dependencies) 751 add_dependencies(${target} ${target_dependencies}) 752 add_dependencies(${target}-stripped ${target_dependencies}) 753 endif() 754 755 if(ARG_SYMLINK) 756 add_dependencies(${target} install-${ARG_SYMLINK}) 757 add_dependencies(${target}-stripped install-${ARG_SYMLINK}-stripped) 758 endif() 759endfunction() 760 761# Define special targets that behave like a component group. They don't have any 762# source attached but other components can add themselves to them. If the 763# component supports is a Target and it supports JIT compilation, HAS_JIT must 764# be passed. One can use ADD_TO_COMPONENT option from add_llvm_component_library 765# to link extra component into an existing group. 766function(add_llvm_component_group name) 767 cmake_parse_arguments(ARG "HAS_JIT" "" "LINK_COMPONENTS" ${ARGN}) 768 add_custom_target(${name}) 769 if(ARG_HAS_JIT) 770 set_property(TARGET ${name} PROPERTY COMPONENT_HAS_JIT ON) 771 endif() 772 if(ARG_LINK_COMPONENTS) 773 set_property(TARGET ${name} PROPERTY LLVM_LINK_COMPONENTS ${ARG_LINK_COMPONENTS}) 774 endif() 775endfunction() 776 777# An LLVM component is a cmake target with the following cmake properties 778# eventually set: 779# - LLVM_COMPONENT_NAME: the name of the component, which can be the name of 780# the associated library or the one specified through COMPONENT_NAME 781# - LLVM_LINK_COMPONENTS: a list of component this component depends on 782# - COMPONENT_HAS_JIT: (only for group component) whether this target group 783# supports JIT compilation 784# Additionnaly, the ADD_TO_COMPONENT <component> option make it possible to add this 785# component to the LLVM_LINK_COMPONENTS of <component>. 786function(add_llvm_component_library name) 787 cmake_parse_arguments(ARG 788 "" 789 "COMPONENT_NAME;ADD_TO_COMPONENT" 790 "" 791 ${ARGN}) 792 add_llvm_library(${name} COMPONENT_LIB ${ARG_UNPARSED_ARGUMENTS}) 793 string(REGEX REPLACE "^LLVM" "" component_name ${name}) 794 set_property(TARGET ${name} PROPERTY LLVM_COMPONENT_NAME ${component_name}) 795 796 if(ARG_COMPONENT_NAME) 797 set_property(GLOBAL PROPERTY LLVM_COMPONENT_NAME_${ARG_COMPONENT_NAME} ${component_name}) 798 endif() 799 800 if(ARG_ADD_TO_COMPONENT) 801 set_property(TARGET ${ARG_ADD_TO_COMPONENT} APPEND PROPERTY LLVM_LINK_COMPONENTS ${component_name}) 802 endif() 803 804endfunction() 805 806macro(add_llvm_library name) 807 cmake_parse_arguments(ARG 808 "SHARED;BUILDTREE_ONLY;MODULE;INSTALL_WITH_TOOLCHAIN" 809 "" 810 "" 811 ${ARGN}) 812 if(ARG_MODULE) 813 llvm_add_library(${name} MODULE ${ARG_UNPARSED_ARGUMENTS}) 814 elseif( BUILD_SHARED_LIBS OR ARG_SHARED ) 815 llvm_add_library(${name} SHARED ${ARG_UNPARSED_ARGUMENTS}) 816 else() 817 llvm_add_library(${name} ${ARG_UNPARSED_ARGUMENTS}) 818 endif() 819 820 # Libraries that are meant to only be exposed via the build tree only are 821 # never installed and are only exported as a target in the special build tree 822 # config file. 823 if (NOT ARG_BUILDTREE_ONLY AND NOT ARG_MODULE) 824 set_property( GLOBAL APPEND PROPERTY LLVM_LIBS ${name} ) 825 set(in_llvm_libs YES) 826 endif() 827 828 if (ARG_MODULE AND NOT TARGET ${name}) 829 # Add empty "phony" target 830 add_custom_target(${name}) 831 elseif( EXCLUDE_FROM_ALL ) 832 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON) 833 elseif(ARG_BUILDTREE_ONLY) 834 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS_BUILDTREE_ONLY ${name}) 835 else() 836 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ARG_INSTALL_WITH_TOOLCHAIN) 837 if(in_llvm_libs) 838 set(umbrella UMBRELLA llvm-libraries) 839 else() 840 set(umbrella) 841 endif() 842 843 get_target_export_arg(${name} LLVM export_to_llvmexports ${umbrella}) 844 install(TARGETS ${name} 845 ${export_to_llvmexports} 846 LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX} COMPONENT ${name} 847 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX} COMPONENT ${name} 848 RUNTIME DESTINATION bin COMPONENT ${name}) 849 850 if (NOT LLVM_ENABLE_IDE) 851 add_llvm_install_targets(install-${name} 852 DEPENDS ${name} 853 COMPONENT ${name}) 854 endif() 855 endif() 856 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 857 endif() 858 if (ARG_MODULE) 859 set_target_properties(${name} PROPERTIES FOLDER "Loadable modules") 860 else() 861 set_target_properties(${name} PROPERTIES FOLDER "Libraries") 862 endif() 863endmacro(add_llvm_library name) 864 865macro(add_llvm_executable name) 866 cmake_parse_arguments(ARG 867 "DISABLE_LLVM_LINK_LLVM_DYLIB;IGNORE_EXTERNALIZE_DEBUGINFO;NO_INSTALL_RPATH;SUPPORT_PLUGINS" 868 "ENTITLEMENTS;BUNDLE_PATH" 869 "DEPENDS" 870 ${ARGN}) 871 872 llvm_process_sources( ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ) 873 874 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS}) 875 876 # Generate objlib 877 if(LLVM_ENABLE_OBJLIB) 878 # Generate an obj library for both targets. 879 set(obj_name "obj.${name}") 880 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL 881 ${ALL_FILES} 882 ) 883 llvm_update_compile_flags(${obj_name}) 884 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>") 885 886 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") 887 endif() 888 889 add_windows_version_resource_file(ALL_FILES ${ALL_FILES}) 890 891 if(XCODE) 892 # Note: the dummy.cpp source file provides no definitions. However, 893 # it forces Xcode to properly link the static library. 894 list(APPEND ALL_FILES "${LLVM_MAIN_SRC_DIR}/cmake/dummy.cpp") 895 endif() 896 897 if( EXCLUDE_FROM_ALL ) 898 add_executable(${name} EXCLUDE_FROM_ALL ${ALL_FILES}) 899 else() 900 add_executable(${name} ${ALL_FILES}) 901 endif() 902 903 setup_dependency_debugging(${name} ${LLVM_COMMON_DEPENDS}) 904 905 if(NOT ARG_NO_INSTALL_RPATH) 906 llvm_setup_rpath(${name}) 907 elseif(NOT "${LLVM_LOCAL_RPATH}" STREQUAL "") 908 # Enable BUILD_WITH_INSTALL_RPATH unless CMAKE_BUILD_RPATH is set. 909 if("${CMAKE_BUILD_RPATH}" STREQUAL "") 910 set_property(TARGET ${name} PROPERTY BUILD_WITH_INSTALL_RPATH ON) 911 endif() 912 913 set_property(TARGET ${name} PROPERTY INSTALL_RPATH "${LLVM_LOCAL_RPATH}") 914 endif() 915 916 if(DEFINED windows_resource_file) 917 set_windows_version_resource_properties(${name} ${windows_resource_file}) 918 endif() 919 920 # $<TARGET_OBJECTS> doesn't require compile flags. 921 if(NOT LLVM_ENABLE_OBJLIB) 922 llvm_update_compile_flags(${name}) 923 endif() 924 925 if (ARG_SUPPORT_PLUGINS AND NOT ${CMAKE_SYSTEM_NAME} MATCHES "AIX") 926 set(LLVM_NO_DEAD_STRIP On) 927 endif() 928 929 add_link_opts( ${name} ) 930 931 # Do not add -Dname_EXPORTS to the command-line when building files in this 932 # target. Doing so is actively harmful for the modules build because it 933 # creates extra module variants, and not useful because we don't use these 934 # macros. 935 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) 936 937 if (LLVM_EXPORTED_SYMBOL_FILE) 938 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 939 endif(LLVM_EXPORTED_SYMBOL_FILE) 940 941 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB) 942 set(USE_SHARED USE_SHARED) 943 endif() 944 945 set(EXCLUDE_FROM_ALL OFF) 946 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) 947 llvm_config( ${name} ${USE_SHARED} ${LLVM_LINK_COMPONENTS} ) 948 if( LLVM_COMMON_DEPENDS ) 949 add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} ) 950 endif( LLVM_COMMON_DEPENDS ) 951 952 if(NOT ARG_IGNORE_EXTERNALIZE_DEBUGINFO) 953 llvm_externalize_debuginfo(${name}) 954 endif() 955 if (LLVM_PTHREAD_LIB) 956 # libpthreads overrides some standard library symbols, so main 957 # executable must be linked with it in order to provide consistent 958 # API for all shared libaries loaded by this executable. 959 target_link_libraries(${name} PRIVATE ${LLVM_PTHREAD_LIB}) 960 endif() 961 962 llvm_codesign(${name} ENTITLEMENTS ${ARG_ENTITLEMENTS} BUNDLE_PATH ${ARG_BUNDLE_PATH}) 963endmacro(add_llvm_executable name) 964 965# add_llvm_pass_plugin(name [NO_MODULE] ...) 966# Add ${name} as an llvm plugin. 967# If option LLVM_${name_upper}_LINK_INTO_TOOLS is set to ON, the plugin is registered statically. 968# Otherwise a pluggable shared library is registered. 969# 970# If NO_MODULE is specified, when option LLVM_${name_upper}_LINK_INTO_TOOLS is set to OFF, 971# only an object library is built, and no module is built. This is specific to the Polly use case. 972# 973# The SUBPROJECT argument contains the LLVM project the plugin belongs 974# to. If set, the plugin will link statically by default it if the 975# project was enabled. 976function(add_llvm_pass_plugin name) 977 cmake_parse_arguments(ARG 978 "NO_MODULE" "SUBPROJECT" "" 979 ${ARGN}) 980 981 string(TOUPPER ${name} name_upper) 982 983 # Enable the plugin by default if it was explicitly enabled by the user. 984 # Note: If was set to "all", LLVM's CMakeLists.txt replaces it with a 985 # list of all projects, counting as explicitly enabled. 986 set(link_into_tools_default OFF) 987 if (ARG_SUBPROJECT AND LLVM_TOOL_${name_upper}_BUILD) 988 set(link_into_tools_default ON) 989 endif() 990 option(LLVM_${name_upper}_LINK_INTO_TOOLS "Statically link ${name} into tools (if available)" ${link_into_tools_default}) 991 992 # If we statically link the plugin, don't use llvm dylib because we're going 993 # to be part of it. 994 if(LLVM_${name_upper}_LINK_INTO_TOOLS) 995 list(APPEND ARG_UNPARSED_ARGUMENTS DISABLE_LLVM_LINK_LLVM_DYLIB) 996 endif() 997 998 if(LLVM_${name_upper}_LINK_INTO_TOOLS) 999 list(REMOVE_ITEM ARG_UNPARSED_ARGUMENTS BUILDTREE_ONLY) 1000 # process_llvm_pass_plugins takes care of the actual linking, just create an 1001 # object library as of now 1002 add_llvm_library(${name} OBJECT ${ARG_UNPARSED_ARGUMENTS}) 1003 target_compile_definitions(${name} PRIVATE LLVM_${name_upper}_LINK_INTO_TOOLS) 1004 set_property(TARGET ${name} APPEND PROPERTY COMPILE_DEFINITIONS LLVM_LINK_INTO_TOOLS) 1005 if (TARGET intrinsics_gen) 1006 add_dependencies(obj.${name} intrinsics_gen) 1007 endif() 1008 if (TARGET omp_gen) 1009 add_dependencies(obj.${name} omp_gen) 1010 endif() 1011 if (TARGET acc_gen) 1012 add_dependencies(obj.${name} acc_gen) 1013 endif() 1014 set_property(GLOBAL APPEND PROPERTY LLVM_STATIC_EXTENSIONS ${name}) 1015 elseif(NOT ARG_NO_MODULE) 1016 add_llvm_library(${name} MODULE ${ARG_UNPARSED_ARGUMENTS}) 1017 else() 1018 add_llvm_library(${name} OBJECT ${ARG_UNPARSED_ARGUMENTS}) 1019 endif() 1020 message(STATUS "Registering ${name} as a pass plugin (static build: ${LLVM_${name_upper}_LINK_INTO_TOOLS})") 1021 1022endfunction(add_llvm_pass_plugin) 1023 1024# process_llvm_pass_plugins([GEN_CONFIG]) 1025# 1026# Correctly set lib dependencies between plugins and tools, based on tools 1027# registered with the ENABLE_PLUGINS option. 1028# 1029# if GEN_CONFIG option is set, also generate X Macro file for extension 1030# handling. It provides a HANDLE_EXTENSION(extension_namespace, ExtensionProject) 1031# call for each extension allowing client code to define 1032# HANDLE_EXTENSION to have a specific code be run for each extension. 1033# 1034function(process_llvm_pass_plugins) 1035 cmake_parse_arguments(ARG 1036 "GEN_CONFIG" "" "" 1037 ${ARGN}) 1038 1039 if(ARG_GEN_CONFIG) 1040 get_property(LLVM_STATIC_EXTENSIONS GLOBAL PROPERTY LLVM_STATIC_EXTENSIONS) 1041 else() 1042 include(LLVMConfigExtensions) 1043 endif() 1044 1045 # Add static plugins to the Extension component 1046 foreach(llvm_extension ${LLVM_STATIC_EXTENSIONS}) 1047 set_property(TARGET LLVMExtensions APPEND PROPERTY LINK_LIBRARIES ${llvm_extension}) 1048 set_property(TARGET LLVMExtensions APPEND PROPERTY INTERFACE_LINK_LIBRARIES ${llvm_extension}) 1049 endforeach() 1050 1051 # Eventually generate the extension headers, and store config to a cmake file 1052 # for usage in third-party configuration. 1053 if(ARG_GEN_CONFIG) 1054 1055 ## Part 1: Extension header to be included whenever we need extension 1056 # processing. 1057 set(LLVM_INSTALL_PACKAGE_DIR lib${LLVM_LIBDIR_SUFFIX}/cmake/llvm) 1058 set(llvm_cmake_builddir "${LLVM_BINARY_DIR}/${LLVM_INSTALL_PACKAGE_DIR}") 1059 file(WRITE 1060 "${llvm_cmake_builddir}/LLVMConfigExtensions.cmake" 1061 "set(LLVM_STATIC_EXTENSIONS ${LLVM_STATIC_EXTENSIONS})") 1062 install(FILES 1063 ${llvm_cmake_builddir}/LLVMConfigExtensions.cmake 1064 DESTINATION ${LLVM_INSTALL_PACKAGE_DIR} 1065 COMPONENT cmake-exports) 1066 1067 set(ExtensionDef "${LLVM_BINARY_DIR}/include/llvm/Support/Extension.def") 1068 file(WRITE "${ExtensionDef}.tmp" "//extension handlers\n") 1069 foreach(llvm_extension ${LLVM_STATIC_EXTENSIONS}) 1070 file(APPEND "${ExtensionDef}.tmp" "HANDLE_EXTENSION(${llvm_extension})\n") 1071 endforeach() 1072 file(APPEND "${ExtensionDef}.tmp" "#undef HANDLE_EXTENSION\n") 1073 1074 # only replace if there's an actual change 1075 execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different 1076 "${ExtensionDef}.tmp" 1077 "${ExtensionDef}") 1078 file(REMOVE "${ExtensionDef}.tmp") 1079 1080 ## Part 2: Extension header that captures each extension dependency, to be 1081 # used by llvm-config. 1082 set(ExtensionDeps "${LLVM_BINARY_DIR}/tools/llvm-config/ExtensionDependencies.inc") 1083 1084 # Max needed to correctly size the required library array. 1085 set(llvm_plugin_max_deps_length 0) 1086 foreach(llvm_extension ${LLVM_STATIC_EXTENSIONS}) 1087 get_property(llvm_plugin_deps TARGET ${llvm_extension} PROPERTY LINK_LIBRARIES) 1088 list(LENGTH llvm_plugin_deps llvm_plugin_deps_length) 1089 if(llvm_plugin_deps_length GREATER llvm_plugin_max_deps_length) 1090 set(llvm_plugin_max_deps_length ${llvm_plugin_deps_length}) 1091 endif() 1092 endforeach() 1093 1094 list(LENGTH LLVM_STATIC_EXTENSIONS llvm_static_extension_count) 1095 file(WRITE 1096 "${ExtensionDeps}.tmp" 1097 "#include <array>\n\ 1098 struct ExtensionDescriptor {\n\ 1099 const char* Name;\n\ 1100 const char* RequiredLibraries[1 + 1 + ${llvm_plugin_max_deps_length}];\n\ 1101 };\n\ 1102 std::array<ExtensionDescriptor, ${llvm_static_extension_count}> AvailableExtensions{\n") 1103 1104 foreach(llvm_extension ${LLVM_STATIC_EXTENSIONS}) 1105 get_property(llvm_plugin_deps TARGET ${llvm_extension} PROPERTY LINK_LIBRARIES) 1106 1107 file(APPEND "${ExtensionDeps}.tmp" "ExtensionDescriptor{\"${llvm_extension}\", {") 1108 foreach(llvm_plugin_dep ${llvm_plugin_deps}) 1109 # Turn library dependency back to component name, if possible. 1110 # That way llvm-config can avoid redundant dependencies. 1111 STRING(REGEX REPLACE "^-l" "" plugin_dep_name ${llvm_plugin_dep}) 1112 STRING(REGEX MATCH "^LLVM" is_llvm_library ${plugin_dep_name}) 1113 if(is_llvm_library) 1114 STRING(REGEX REPLACE "^LLVM" "" plugin_dep_name ${plugin_dep_name}) 1115 STRING(TOLOWER ${plugin_dep_name} plugin_dep_name) 1116 endif() 1117 file(APPEND "${ExtensionDeps}.tmp" "\"${plugin_dep_name}\", ") 1118 endforeach() 1119 1120 # Self + mandatory trailing null, because the number of RequiredLibraries differs between extensions. 1121 file(APPEND "${ExtensionDeps}.tmp" \"${llvm_extension}\", "nullptr}},\n") 1122 endforeach() 1123 file(APPEND "${ExtensionDeps}.tmp" "};\n") 1124 1125 # only replace if there's an actual change 1126 execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different 1127 "${ExtensionDeps}.tmp" 1128 "${ExtensionDeps}") 1129 file(REMOVE "${ExtensionDeps}.tmp") 1130 endif() 1131endfunction() 1132 1133function(export_executable_symbols target) 1134 if (LLVM_EXPORTED_SYMBOL_FILE) 1135 # The symbol file should contain the symbols we want the executable to 1136 # export 1137 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 1138 elseif (LLVM_EXPORT_SYMBOLS_FOR_PLUGINS) 1139 # Extract the symbols to export from the static libraries that the 1140 # executable links against. 1141 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 1142 set(exported_symbol_file ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${target}.symbols) 1143 # We need to consider not just the direct link dependencies, but also the 1144 # transitive link dependencies. Do this by starting with the set of direct 1145 # dependencies, then the dependencies of those dependencies, and so on. 1146 get_target_property(new_libs ${target} LINK_LIBRARIES) 1147 set(link_libs ${new_libs}) 1148 while(NOT "${new_libs}" STREQUAL "") 1149 foreach(lib ${new_libs}) 1150 if(TARGET ${lib}) 1151 get_target_property(lib_type ${lib} TYPE) 1152 if("${lib_type}" STREQUAL "STATIC_LIBRARY") 1153 list(APPEND static_libs ${lib}) 1154 else() 1155 list(APPEND other_libs ${lib}) 1156 endif() 1157 get_target_property(transitive_libs ${lib} INTERFACE_LINK_LIBRARIES) 1158 foreach(transitive_lib ${transitive_libs}) 1159 list(FIND link_libs ${transitive_lib} idx) 1160 if(TARGET ${transitive_lib} AND idx EQUAL -1) 1161 list(APPEND newer_libs ${transitive_lib}) 1162 list(APPEND link_libs ${transitive_lib}) 1163 endif() 1164 endforeach(transitive_lib) 1165 endif() 1166 endforeach(lib) 1167 set(new_libs ${newer_libs}) 1168 set(newer_libs "") 1169 endwhile() 1170 list(REMOVE_DUPLICATES static_libs) 1171 if (MSVC) 1172 set(mangling microsoft) 1173 else() 1174 set(mangling itanium) 1175 endif() 1176 add_custom_command(OUTPUT ${exported_symbol_file} 1177 COMMAND "${Python3_EXECUTABLE}" ${LLVM_MAIN_SRC_DIR}/utils/extract_symbols.py --mangling=${mangling} ${static_libs} -o ${exported_symbol_file} 1178 WORKING_DIRECTORY ${LLVM_LIBRARY_OUTPUT_INTDIR} 1179 DEPENDS ${LLVM_MAIN_SRC_DIR}/utils/extract_symbols.py ${static_libs} 1180 VERBATIM 1181 COMMENT "Generating export list for ${target}") 1182 add_llvm_symbol_exports( ${target} ${exported_symbol_file} ) 1183 # If something links against this executable then we want a 1184 # transitive link against only the libraries whose symbols 1185 # we aren't exporting. 1186 set_target_properties(${target} PROPERTIES INTERFACE_LINK_LIBRARIES "${other_libs}") 1187 # The default import library suffix that cmake uses for cygwin/mingw is 1188 # ".dll.a", but for clang.exe that causes a collision with libclang.dll, 1189 # where the import libraries of both get named libclang.dll.a. Use a suffix 1190 # of ".exe.a" to avoid this. 1191 if(CYGWIN OR MINGW) 1192 set_target_properties(${target} PROPERTIES IMPORT_SUFFIX ".exe.a") 1193 endif() 1194 elseif(NOT (WIN32 OR CYGWIN)) 1195 # On Windows auto-exporting everything doesn't work because of the limit on 1196 # the size of the exported symbol table, but on other platforms we can do 1197 # it without any trouble. 1198 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 1199 if (APPLE) 1200 set_property(TARGET ${target} APPEND_STRING PROPERTY 1201 LINK_FLAGS " -rdynamic") 1202 endif() 1203 endif() 1204endfunction() 1205 1206# Export symbols if LLVM plugins are enabled. 1207function(export_executable_symbols_for_plugins target) 1208 if(LLVM_ENABLE_PLUGINS OR LLVM_EXPORT_SYMBOLS_FOR_PLUGINS) 1209 export_executable_symbols(${target}) 1210 endif() 1211endfunction() 1212 1213if(NOT LLVM_TOOLCHAIN_TOOLS) 1214 set (LLVM_TOOLCHAIN_TOOLS 1215 llvm-ar 1216 llvm-cov 1217 llvm-cxxfilt 1218 llvm-ranlib 1219 llvm-lib 1220 llvm-ml 1221 llvm-nm 1222 llvm-objcopy 1223 llvm-objdump 1224 llvm-rc 1225 llvm-readobj 1226 llvm-size 1227 llvm-strings 1228 llvm-strip 1229 llvm-profdata 1230 llvm-symbolizer 1231 # symlink version of some of above tools that are enabled by 1232 # LLVM_INSTALL_BINUTILS_SYMLINKS. 1233 addr2line 1234 ar 1235 c++filt 1236 ranlib 1237 nm 1238 objcopy 1239 objdump 1240 readelf 1241 size 1242 strings 1243 strip 1244 ) 1245endif() 1246 1247macro(add_llvm_tool name) 1248 if( NOT LLVM_BUILD_TOOLS ) 1249 set(EXCLUDE_FROM_ALL ON) 1250 endif() 1251 add_llvm_executable(${name} ${ARGN}) 1252 1253 if ( ${name} IN_LIST LLVM_TOOLCHAIN_TOOLS OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 1254 if( LLVM_BUILD_TOOLS ) 1255 get_target_export_arg(${name} LLVM export_to_llvmexports) 1256 install(TARGETS ${name} 1257 ${export_to_llvmexports} 1258 RUNTIME DESTINATION ${LLVM_TOOLS_INSTALL_DIR} 1259 COMPONENT ${name}) 1260 1261 if (NOT LLVM_ENABLE_IDE) 1262 add_llvm_install_targets(install-${name} 1263 DEPENDS ${name} 1264 COMPONENT ${name}) 1265 endif() 1266 endif() 1267 endif() 1268 if( LLVM_BUILD_TOOLS ) 1269 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 1270 endif() 1271 set_target_properties(${name} PROPERTIES FOLDER "Tools") 1272endmacro(add_llvm_tool name) 1273 1274 1275macro(add_llvm_example name) 1276 if( NOT LLVM_BUILD_EXAMPLES ) 1277 set(EXCLUDE_FROM_ALL ON) 1278 endif() 1279 add_llvm_executable(${name} ${ARGN}) 1280 if( LLVM_BUILD_EXAMPLES ) 1281 install(TARGETS ${name} RUNTIME DESTINATION examples) 1282 endif() 1283 set_target_properties(${name} PROPERTIES FOLDER "Examples") 1284endmacro(add_llvm_example name) 1285 1286macro(add_llvm_example_library name) 1287 if( NOT LLVM_BUILD_EXAMPLES ) 1288 set(EXCLUDE_FROM_ALL ON) 1289 add_llvm_library(${name} BUILDTREE_ONLY ${ARGN}) 1290 else() 1291 add_llvm_library(${name} ${ARGN}) 1292 endif() 1293 1294 set_target_properties(${name} PROPERTIES FOLDER "Examples") 1295endmacro(add_llvm_example_library name) 1296 1297# This is a macro that is used to create targets for executables that are needed 1298# for development, but that are not intended to be installed by default. 1299macro(add_llvm_utility name) 1300 if ( NOT LLVM_BUILD_UTILS ) 1301 set(EXCLUDE_FROM_ALL ON) 1302 endif() 1303 1304 add_llvm_executable(${name} DISABLE_LLVM_LINK_LLVM_DYLIB ${ARGN}) 1305 set_target_properties(${name} PROPERTIES FOLDER "Utils") 1306 if ( ${name} IN_LIST LLVM_TOOLCHAIN_UTILITIES OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 1307 if (LLVM_INSTALL_UTILS AND LLVM_BUILD_UTILS) 1308 get_target_export_arg(${name} LLVM export_to_llvmexports) 1309 install(TARGETS ${name} 1310 ${export_to_llvmexports} 1311 RUNTIME DESTINATION ${LLVM_UTILS_INSTALL_DIR} 1312 COMPONENT ${name}) 1313 1314 if (NOT LLVM_ENABLE_IDE) 1315 add_llvm_install_targets(install-${name} 1316 DEPENDS ${name} 1317 COMPONENT ${name}) 1318 endif() 1319 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 1320 elseif(LLVM_BUILD_UTILS) 1321 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS_BUILDTREE_ONLY ${name}) 1322 endif() 1323 endif() 1324endmacro(add_llvm_utility name) 1325 1326macro(add_llvm_fuzzer name) 1327 cmake_parse_arguments(ARG "" "DUMMY_MAIN" "" ${ARGN}) 1328 if( LLVM_LIB_FUZZING_ENGINE ) 1329 set(LLVM_OPTIONAL_SOURCES ${ARG_DUMMY_MAIN}) 1330 add_llvm_executable(${name} ${ARG_UNPARSED_ARGUMENTS}) 1331 target_link_libraries(${name} PRIVATE ${LLVM_LIB_FUZZING_ENGINE}) 1332 set_target_properties(${name} PROPERTIES FOLDER "Fuzzers") 1333 elseif( LLVM_USE_SANITIZE_COVERAGE ) 1334 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=fuzzer") 1335 set(LLVM_OPTIONAL_SOURCES ${ARG_DUMMY_MAIN}) 1336 add_llvm_executable(${name} ${ARG_UNPARSED_ARGUMENTS}) 1337 set_target_properties(${name} PROPERTIES FOLDER "Fuzzers") 1338 elseif( ARG_DUMMY_MAIN ) 1339 add_llvm_executable(${name} ${ARG_DUMMY_MAIN} ${ARG_UNPARSED_ARGUMENTS}) 1340 set_target_properties(${name} PROPERTIES FOLDER "Fuzzers") 1341 endif() 1342endmacro() 1343 1344macro(add_llvm_target target_name) 1345 include_directories(BEFORE 1346 ${CMAKE_CURRENT_BINARY_DIR} 1347 ${CMAKE_CURRENT_SOURCE_DIR}) 1348 add_llvm_component_library(LLVM${target_name} ${ARGN}) 1349 set( CURRENT_LLVM_TARGET LLVM${target_name} ) 1350endmacro(add_llvm_target) 1351 1352function(canonicalize_tool_name name output) 1353 string(REPLACE "${CMAKE_CURRENT_SOURCE_DIR}/" "" nameStrip ${name}) 1354 string(REPLACE "-" "_" nameUNDERSCORE ${nameStrip}) 1355 string(TOUPPER ${nameUNDERSCORE} nameUPPER) 1356 set(${output} "${nameUPPER}" PARENT_SCOPE) 1357endfunction(canonicalize_tool_name) 1358 1359# Custom add_subdirectory wrapper 1360# Takes in a project name (i.e. LLVM), the subdirectory name, and an optional 1361# path if it differs from the name. 1362function(add_llvm_subdirectory project type name) 1363 set(add_llvm_external_dir "${ARGN}") 1364 if("${add_llvm_external_dir}" STREQUAL "") 1365 set(add_llvm_external_dir ${name}) 1366 endif() 1367 canonicalize_tool_name(${name} nameUPPER) 1368 set(canonical_full_name ${project}_${type}_${nameUPPER}) 1369 get_property(already_processed GLOBAL PROPERTY ${canonical_full_name}_PROCESSED) 1370 if(already_processed) 1371 return() 1372 endif() 1373 set_property(GLOBAL PROPERTY ${canonical_full_name}_PROCESSED YES) 1374 1375 if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}/CMakeLists.txt) 1376 # Treat it as in-tree subproject. 1377 option(${canonical_full_name}_BUILD 1378 "Whether to build ${name} as part of ${project}" On) 1379 mark_as_advanced(${project}_${type}_${name}_BUILD) 1380 if(${canonical_full_name}_BUILD) 1381 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir} ${add_llvm_external_dir}) 1382 endif() 1383 else() 1384 set(LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR 1385 "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" 1386 CACHE PATH "Path to ${name} source directory") 1387 set(${canonical_full_name}_BUILD_DEFAULT ON) 1388 if(NOT LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR OR NOT EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}) 1389 set(${canonical_full_name}_BUILD_DEFAULT OFF) 1390 endif() 1391 if("${LLVM_EXTERNAL_${nameUPPER}_BUILD}" STREQUAL "OFF") 1392 set(${canonical_full_name}_BUILD_DEFAULT OFF) 1393 endif() 1394 option(${canonical_full_name}_BUILD 1395 "Whether to build ${name} as part of LLVM" 1396 ${${canonical_full_name}_BUILD_DEFAULT}) 1397 if (${canonical_full_name}_BUILD) 1398 if(EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}) 1399 add_subdirectory(${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} ${add_llvm_external_dir}) 1400 elseif(NOT "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" STREQUAL "") 1401 message(WARNING "Nonexistent directory for ${name}: ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}") 1402 endif() 1403 endif() 1404 endif() 1405endfunction() 1406 1407# Add external project that may want to be built as part of llvm such as Clang, 1408# lld, and Polly. This adds two options. One for the source directory of the 1409# project, which defaults to ${CMAKE_CURRENT_SOURCE_DIR}/${name}. Another to 1410# enable or disable building it with everything else. 1411# Additional parameter can be specified as the name of directory. 1412macro(add_llvm_external_project name) 1413 add_llvm_subdirectory(LLVM TOOL ${name} ${ARGN}) 1414endmacro() 1415 1416macro(add_llvm_tool_subdirectory name) 1417 add_llvm_external_project(${name}) 1418endmacro(add_llvm_tool_subdirectory) 1419 1420function(get_project_name_from_src_var var output) 1421 string(REGEX MATCH "LLVM_EXTERNAL_(.*)_SOURCE_DIR" 1422 MACHED_TOOL "${var}") 1423 if(MACHED_TOOL) 1424 set(${output} ${CMAKE_MATCH_1} PARENT_SCOPE) 1425 else() 1426 set(${output} PARENT_SCOPE) 1427 endif() 1428endfunction() 1429 1430function(create_subdirectory_options project type) 1431 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") 1432 foreach(dir ${sub-dirs}) 1433 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt") 1434 canonicalize_tool_name(${dir} name) 1435 option(${project}_${type}_${name}_BUILD 1436 "Whether to build ${name} as part of ${project}" On) 1437 mark_as_advanced(${project}_${type}_${name}_BUILD) 1438 endif() 1439 endforeach() 1440endfunction(create_subdirectory_options) 1441 1442function(create_llvm_tool_options) 1443 create_subdirectory_options(LLVM TOOL) 1444endfunction(create_llvm_tool_options) 1445 1446function(llvm_add_implicit_projects project) 1447 set(list_of_implicit_subdirs "") 1448 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") 1449 foreach(dir ${sub-dirs}) 1450 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt") 1451 canonicalize_tool_name(${dir} name) 1452 if (${project}_TOOL_${name}_BUILD) 1453 get_filename_component(fn "${dir}" NAME) 1454 list(APPEND list_of_implicit_subdirs "${fn}") 1455 endif() 1456 endif() 1457 endforeach() 1458 1459 foreach(external_proj ${list_of_implicit_subdirs}) 1460 add_llvm_subdirectory(${project} TOOL "${external_proj}" ${ARGN}) 1461 endforeach() 1462endfunction(llvm_add_implicit_projects) 1463 1464function(add_llvm_implicit_projects) 1465 llvm_add_implicit_projects(LLVM) 1466endfunction(add_llvm_implicit_projects) 1467 1468# Generic support for adding a unittest. 1469function(add_unittest test_suite test_name) 1470 if( NOT LLVM_BUILD_TESTS ) 1471 set(EXCLUDE_FROM_ALL ON) 1472 endif() 1473 1474 if (SUPPORTS_VARIADIC_MACROS_FLAG) 1475 list(APPEND LLVM_COMPILE_FLAGS "-Wno-variadic-macros") 1476 endif () 1477 # Some parts of gtest rely on this GNU extension, don't warn on it. 1478 if(SUPPORTS_GNU_ZERO_VARIADIC_MACRO_ARGUMENTS_FLAG) 1479 list(APPEND LLVM_COMPILE_FLAGS "-Wno-gnu-zero-variadic-macro-arguments") 1480 endif() 1481 1482 if (NOT DEFINED LLVM_REQUIRES_RTTI) 1483 set(LLVM_REQUIRES_RTTI OFF) 1484 endif() 1485 1486 list(APPEND LLVM_LINK_COMPONENTS Support) # gtest needs it for raw_ostream 1487 add_llvm_executable(${test_name} IGNORE_EXTERNALIZE_DEBUGINFO NO_INSTALL_RPATH ${ARGN}) 1488 1489 # The runtime benefits of LTO don't outweight the compile time costs for tests. 1490 if(LLVM_ENABLE_LTO) 1491 if((UNIX OR MINGW) AND LINKER_IS_LLD) 1492 set_property(TARGET ${test_name} APPEND_STRING PROPERTY 1493 LINK_FLAGS " -Wl,--lto-O0") 1494 elseif(LINKER_IS_LLD_LINK) 1495 set_property(TARGET ${test_name} APPEND_STRING PROPERTY 1496 LINK_FLAGS " /opt:lldlto=0") 1497 elseif(APPLE AND NOT uppercase_LLVM_ENABLE_LTO STREQUAL "THIN") 1498 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 1499 LINK_FLAGS " -Wl,-mllvm,-O0") 1500 endif() 1501 endif() 1502 1503 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}) 1504 set_output_directory(${test_name} BINARY_DIR ${outdir} LIBRARY_DIR ${outdir}) 1505 # libpthreads overrides some standard library symbols, so main 1506 # executable must be linked with it in order to provide consistent 1507 # API for all shared libaries loaded by this executable. 1508 target_link_libraries(${test_name} PRIVATE gtest_main gtest ${LLVM_PTHREAD_LIB}) 1509 1510 add_dependencies(${test_suite} ${test_name}) 1511 get_target_property(test_suite_folder ${test_suite} FOLDER) 1512 if (test_suite_folder) 1513 set_property(TARGET ${test_name} PROPERTY FOLDER "${test_suite_folder}") 1514 endif () 1515endfunction() 1516 1517# Use for test binaries that call llvm::getInputFileDirectory(). Use of this 1518# is discouraged. 1519function(add_unittest_with_input_files test_suite test_name) 1520 set(LLVM_UNITTEST_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}) 1521 configure_file( 1522 ${LLVM_MAIN_SRC_DIR}/unittests/unittest.cfg.in 1523 ${CMAKE_CURRENT_BINARY_DIR}/llvm.srcdir.txt) 1524 1525 add_unittest(${test_suite} ${test_name} ${ARGN}) 1526endfunction() 1527 1528# Generic support for adding a benchmark. 1529function(add_benchmark benchmark_name) 1530 if( NOT LLVM_BUILD_BENCHMARKS ) 1531 set(EXCLUDE_FROM_ALL ON) 1532 endif() 1533 1534 add_llvm_executable(${benchmark_name} IGNORE_EXTERNALIZE_DEBUGINFO NO_INSTALL_RPATH ${ARGN}) 1535 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}) 1536 set_output_directory(${benchmark_name} BINARY_DIR ${outdir} LIBRARY_DIR ${outdir}) 1537 set_property(TARGET ${benchmark_name} PROPERTY FOLDER "Utils") 1538 target_link_libraries(${benchmark_name} PRIVATE benchmark) 1539endfunction() 1540 1541# This function canonicalize the CMake variables passed by names 1542# from CMake boolean to 0/1 suitable for passing into Python or C++, 1543# in place. 1544function(llvm_canonicalize_cmake_booleans) 1545 foreach(var ${ARGN}) 1546 if(${var}) 1547 set(${var} 1 PARENT_SCOPE) 1548 else() 1549 set(${var} 0 PARENT_SCOPE) 1550 endif() 1551 endforeach() 1552endfunction(llvm_canonicalize_cmake_booleans) 1553 1554macro(set_llvm_build_mode) 1555 # Configuration-time: See Unit/lit.site.cfg.in 1556 if (CMAKE_CFG_INTDIR STREQUAL ".") 1557 set(LLVM_BUILD_MODE ".") 1558 else () 1559 set(LLVM_BUILD_MODE "%(build_mode)s") 1560 endif () 1561endmacro() 1562 1563# Takes a list of path names in pathlist and a base directory, and returns 1564# a list of paths relative to the base directory in out_pathlist. 1565# Paths that are on a different drive than the basedir (on Windows) or that 1566# contain symlinks are returned absolute. 1567# Use with LLVM_LIT_PATH_FUNCTION below. 1568function(make_paths_relative out_pathlist basedir pathlist) 1569 # Passing ARG_PATH_VALUES as-is to execute_process() makes cmake strip 1570 # empty list entries. So escape the ;s in the list and do the splitting 1571 # ourselves. cmake has no relpath function, so use Python for that. 1572 string(REPLACE ";" "\\;" pathlist_escaped "${pathlist}") 1573 execute_process(COMMAND "${Python3_EXECUTABLE}" "-c" "\n 1574import os, sys\n 1575base = sys.argv[1] 1576def haslink(p):\n 1577 if not p or p == os.path.dirname(p): return False\n 1578 return os.path.islink(p) or haslink(os.path.dirname(p))\n 1579def relpath(p):\n 1580 if not p: return ''\n 1581 if os.path.splitdrive(p)[0] != os.path.splitdrive(base)[0]: return p\n 1582 if haslink(p) or haslink(base): return p\n 1583 return os.path.relpath(p, base)\n 1584if len(sys.argv) < 3: sys.exit(0)\n 1585sys.stdout.write(';'.join(relpath(p) for p in sys.argv[2].split(';')))" 1586 ${basedir} 1587 ${pathlist_escaped} 1588 OUTPUT_VARIABLE pathlist_relative 1589 ERROR_VARIABLE error 1590 RESULT_VARIABLE result) 1591 if (NOT result EQUAL 0) 1592 message(FATAL_ERROR "make_paths_relative() failed due to error '${result}', with stderr\n${error}") 1593 endif() 1594 set(${out_pathlist} "${pathlist_relative}" PARENT_SCOPE) 1595endfunction() 1596 1597# Converts a file that's relative to the current python file to an absolute 1598# path. Since this uses __file__, it has to be emitted into python files that 1599# use it and can't be in a lit module. Use with make_paths_relative(). 1600string(CONCAT LLVM_LIT_PATH_FUNCTION 1601 "# Allow generated file to be relocatable.\n" 1602 "from pathlib import Path\n" 1603 "def path(p):\n" 1604 " if not p: return ''\n" 1605 " return str((Path(__file__).parent / p).resolve())\n" 1606 ) 1607 1608# This function provides an automatic way to 'configure'-like generate a file 1609# based on a set of common and custom variables, specifically targeting the 1610# variables needed for the 'lit.site.cfg' files. This function bundles the 1611# common variables that any Lit instance is likely to need, and custom 1612# variables can be passed in. 1613# The keyword PATHS is followed by a list of cmake variable names that are 1614# mentioned as `path("@varname@")` in the lit.cfg.py.in file. Variables in that 1615# list are treated as paths that are relative to the directory the generated 1616# lit.cfg.py file is in, and the `path()` function converts the relative 1617# path back to absolute form. This makes it possible to move a build directory 1618# containing lit.cfg.py files from one machine to another. 1619function(configure_lit_site_cfg site_in site_out) 1620 cmake_parse_arguments(ARG "" "" "MAIN_CONFIG;OUTPUT_MAPPING;PATHS" ${ARGN}) 1621 1622 if ("${ARG_MAIN_CONFIG}" STREQUAL "") 1623 get_filename_component(INPUT_DIR ${site_in} DIRECTORY) 1624 set(ARG_MAIN_CONFIG "${INPUT_DIR}/lit.cfg") 1625 endif() 1626 if ("${ARG_OUTPUT_MAPPING}" STREQUAL "") 1627 set(ARG_OUTPUT_MAPPING "${site_out}") 1628 endif() 1629 1630 foreach(c ${LLVM_TARGETS_TO_BUILD}) 1631 set(TARGETS_BUILT "${TARGETS_BUILT} ${c}") 1632 endforeach(c) 1633 set(TARGETS_TO_BUILD ${TARGETS_BUILT}) 1634 1635 set(SHLIBEXT "${LTDL_SHLIB_EXT}") 1636 1637 set_llvm_build_mode() 1638 1639 # The below might not be the build tree but provided binary tree. 1640 set(LLVM_SOURCE_DIR ${LLVM_MAIN_SRC_DIR}) 1641 set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR}) 1642 string(REPLACE "${CMAKE_CFG_INTDIR}" "${LLVM_BUILD_MODE}" LLVM_TOOLS_DIR "${LLVM_TOOLS_BINARY_DIR}") 1643 string(REPLACE "${CMAKE_CFG_INTDIR}" "${LLVM_BUILD_MODE}" LLVM_LIBS_DIR "${LLVM_LIBRARY_DIR}") 1644 1645 # SHLIBDIR points the build tree. 1646 string(REPLACE "${CMAKE_CFG_INTDIR}" "${LLVM_BUILD_MODE}" SHLIBDIR "${LLVM_SHLIB_OUTPUT_INTDIR}") 1647 1648 # FIXME: "ENABLE_SHARED" doesn't make sense, since it is used just for 1649 # plugins. We may rename it. 1650 if(LLVM_ENABLE_PLUGINS) 1651 set(ENABLE_SHARED "1") 1652 else() 1653 set(ENABLE_SHARED "0") 1654 endif() 1655 1656 if(LLVM_ENABLE_ASSERTIONS) 1657 set(ENABLE_ASSERTIONS "1") 1658 else() 1659 set(ENABLE_ASSERTIONS "0") 1660 endif() 1661 1662 set(HOST_OS ${CMAKE_SYSTEM_NAME}) 1663 set(HOST_ARCH ${CMAKE_SYSTEM_PROCESSOR}) 1664 1665 set(HOST_CC "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}") 1666 set(HOST_CXX "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}") 1667 set(HOST_LDFLAGS "${CMAKE_EXE_LINKER_FLAGS}") 1668 1669 string(CONCAT LIT_SITE_CFG_IN_HEADER 1670 "# Autogenerated from ${site_in}\n# Do not edit!\n\n" 1671 "${LLVM_LIT_PATH_FUNCTION}" 1672 ) 1673 1674 # Override config_target_triple (and the env) 1675 if(LLVM_TARGET_TRIPLE_ENV) 1676 # This is expanded into the heading. 1677 string(CONCAT LIT_SITE_CFG_IN_HEADER "${LIT_SITE_CFG_IN_HEADER}" 1678 "import os\n" 1679 "target_env = \"${LLVM_TARGET_TRIPLE_ENV}\"\n" 1680 "config.target_triple = config.environment[target_env] = os.environ.get(target_env, \"${TARGET_TRIPLE}\")\n" 1681 ) 1682 1683 # This is expanded to; config.target_triple = ""+config.target_triple+"" 1684 set(TARGET_TRIPLE "\"+config.target_triple+\"") 1685 endif() 1686 1687 if (ARG_PATHS) 1688 # Walk ARG_PATHS and collect the current value of the variables in there. 1689 # list(APPEND) ignores empty elements exactly if the list is empty, 1690 # so start the list with a dummy element and drop it, to make sure that 1691 # even empty values make it into the values list. 1692 set(ARG_PATH_VALUES "dummy") 1693 foreach(path ${ARG_PATHS}) 1694 list(APPEND ARG_PATH_VALUES "${${path}}") 1695 endforeach() 1696 list(REMOVE_AT ARG_PATH_VALUES 0) 1697 1698 get_filename_component(OUTPUT_DIR ${site_out} DIRECTORY) 1699 make_paths_relative( 1700 ARG_PATH_VALUES_RELATIVE "${OUTPUT_DIR}" "${ARG_PATH_VALUES}") 1701 1702 list(LENGTH ARG_PATHS len_paths) 1703 list(LENGTH ARG_PATH_VALUES len_path_values) 1704 list(LENGTH ARG_PATH_VALUES_RELATIVE len_path_value_rels) 1705 if ((NOT ${len_paths} EQUAL ${len_path_values}) OR 1706 (NOT ${len_paths} EQUAL ${len_path_value_rels})) 1707 message(SEND_ERROR "PATHS lengths got confused") 1708 endif() 1709 1710 # Transform variables mentioned in ARG_PATHS to relative paths for 1711 # the configure_file() call. Variables are copied to subscopeds by cmake, 1712 # so this only modifies the local copy of the variables. 1713 math(EXPR arg_path_limit "${len_paths} - 1") 1714 foreach(i RANGE ${arg_path_limit}) 1715 list(GET ARG_PATHS ${i} val1) 1716 list(GET ARG_PATH_VALUES_RELATIVE ${i} val2) 1717 set(${val1} ${val2}) 1718 endforeach() 1719 endif() 1720 1721 configure_file(${site_in} ${site_out} @ONLY) 1722 1723 if (EXISTS "${ARG_MAIN_CONFIG}") 1724 # Remember main config / generated site config for llvm-lit.in. 1725 get_property(LLVM_LIT_CONFIG_FILES GLOBAL PROPERTY LLVM_LIT_CONFIG_FILES) 1726 list(APPEND LLVM_LIT_CONFIG_FILES "${ARG_MAIN_CONFIG}" "${site_out}") 1727 set_property(GLOBAL PROPERTY LLVM_LIT_CONFIG_FILES ${LLVM_LIT_CONFIG_FILES}) 1728 endif() 1729endfunction() 1730 1731function(dump_all_cmake_variables) 1732 get_cmake_property(_variableNames VARIABLES) 1733 foreach (_variableName ${_variableNames}) 1734 message(STATUS "${_variableName}=${${_variableName}}") 1735 endforeach() 1736endfunction() 1737 1738function(get_llvm_lit_path base_dir file_name) 1739 cmake_parse_arguments(ARG "ALLOW_EXTERNAL" "" "" ${ARGN}) 1740 1741 if (ARG_ALLOW_EXTERNAL) 1742 set (LLVM_EXTERNAL_LIT "" CACHE STRING "Command used to spawn lit") 1743 if ("${LLVM_EXTERNAL_LIT}" STREQUAL "") 1744 set(LLVM_EXTERNAL_LIT "${LLVM_DEFAULT_EXTERNAL_LIT}") 1745 endif() 1746 1747 if (NOT "${LLVM_EXTERNAL_LIT}" STREQUAL "") 1748 if (EXISTS ${LLVM_EXTERNAL_LIT}) 1749 get_filename_component(LIT_FILE_NAME ${LLVM_EXTERNAL_LIT} NAME) 1750 get_filename_component(LIT_BASE_DIR ${LLVM_EXTERNAL_LIT} DIRECTORY) 1751 set(${file_name} ${LIT_FILE_NAME} PARENT_SCOPE) 1752 set(${base_dir} ${LIT_BASE_DIR} PARENT_SCOPE) 1753 return() 1754 elseif (NOT DEFINED CACHE{LLVM_EXTERNAL_LIT_MISSING_WARNED_ONCE}) 1755 message(WARNING "LLVM_EXTERNAL_LIT set to ${LLVM_EXTERNAL_LIT}, but the path does not exist.") 1756 set(LLVM_EXTERNAL_LIT_MISSING_WARNED_ONCE YES CACHE INTERNAL "") 1757 endif() 1758 endif() 1759 endif() 1760 1761 set(lit_file_name "llvm-lit") 1762 if (CMAKE_HOST_WIN32 AND NOT CYGWIN) 1763 # llvm-lit needs suffix.py for multiprocess to find a main module. 1764 set(lit_file_name "${lit_file_name}.py") 1765 endif () 1766 set(${file_name} ${lit_file_name} PARENT_SCOPE) 1767 1768 get_property(LLVM_LIT_BASE_DIR GLOBAL PROPERTY LLVM_LIT_BASE_DIR) 1769 if (NOT "${LLVM_LIT_BASE_DIR}" STREQUAL "") 1770 set(${base_dir} ${LLVM_LIT_BASE_DIR} PARENT_SCOPE) 1771 endif() 1772 1773 # Allow individual projects to provide an override 1774 if (NOT "${LLVM_LIT_OUTPUT_DIR}" STREQUAL "") 1775 set(LLVM_LIT_BASE_DIR ${LLVM_LIT_OUTPUT_DIR}) 1776 elseif(NOT "${LLVM_RUNTIME_OUTPUT_INTDIR}" STREQUAL "") 1777 set(LLVM_LIT_BASE_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR}) 1778 else() 1779 set(LLVM_LIT_BASE_DIR "") 1780 endif() 1781 1782 # Cache this so we don't have to do it again and have subsequent calls 1783 # potentially disagree on the value. 1784 set_property(GLOBAL PROPERTY LLVM_LIT_BASE_DIR ${LLVM_LIT_BASE_DIR}) 1785 set(${base_dir} ${LLVM_LIT_BASE_DIR} PARENT_SCOPE) 1786endfunction() 1787 1788# A raw function to create a lit target. This is used to implement the testuite 1789# management functions. 1790function(add_lit_target target comment) 1791 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1792 set(LIT_ARGS "${ARG_ARGS} ${LLVM_LIT_ARGS}") 1793 separate_arguments(LIT_ARGS) 1794 if (NOT CMAKE_CFG_INTDIR STREQUAL ".") 1795 list(APPEND LIT_ARGS --param build_mode=${CMAKE_CFG_INTDIR}) 1796 endif () 1797 1798 # Get the path to the lit to *run* tests with. This can be overriden by 1799 # the user by specifying -DLLVM_EXTERNAL_LIT=<path-to-lit.py> 1800 get_llvm_lit_path( 1801 lit_base_dir 1802 lit_file_name 1803 ALLOW_EXTERNAL 1804 ) 1805 1806 set(LIT_COMMAND "${Python3_EXECUTABLE};${lit_base_dir}/${lit_file_name}") 1807 list(APPEND LIT_COMMAND ${LIT_ARGS}) 1808 foreach(param ${ARG_PARAMS}) 1809 list(APPEND LIT_COMMAND --param ${param}) 1810 endforeach() 1811 if (ARG_UNPARSED_ARGUMENTS) 1812 add_custom_target(${target} 1813 COMMAND ${LIT_COMMAND} ${ARG_UNPARSED_ARGUMENTS} 1814 COMMENT "${comment}" 1815 USES_TERMINAL 1816 ) 1817 else() 1818 add_custom_target(${target} 1819 COMMAND ${CMAKE_COMMAND} -E echo "${target} does nothing, no tools built.") 1820 message(STATUS "${target} does nothing.") 1821 endif() 1822 1823 if (ARG_DEPENDS) 1824 add_dependencies(${target} ${ARG_DEPENDS}) 1825 endif() 1826 1827 # Tests should be excluded from "Build Solution". 1828 set_target_properties(${target} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD ON) 1829endfunction() 1830 1831# A function to add a set of lit test suites to be driven through 'check-*' targets. 1832function(add_lit_testsuite target comment) 1833 cmake_parse_arguments(ARG "EXCLUDE_FROM_CHECK_ALL" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1834 1835 # EXCLUDE_FROM_ALL excludes the test ${target} out of check-all. 1836 if(NOT ARG_EXCLUDE_FROM_CHECK_ALL) 1837 # Register the testsuites, params and depends for the global check rule. 1838 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_TESTSUITES ${ARG_UNPARSED_ARGUMENTS}) 1839 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_PARAMS ${ARG_PARAMS}) 1840 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_DEPENDS ${ARG_DEPENDS}) 1841 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_EXTRA_ARGS ${ARG_ARGS}) 1842 endif() 1843 1844 # Produce a specific suffixed check rule. 1845 add_lit_target(${target} ${comment} 1846 ${ARG_UNPARSED_ARGUMENTS} 1847 PARAMS ${ARG_PARAMS} 1848 DEPENDS ${ARG_DEPENDS} 1849 ARGS ${ARG_ARGS} 1850 ) 1851endfunction() 1852 1853function(add_lit_testsuites project directory) 1854 if (NOT LLVM_ENABLE_IDE) 1855 cmake_parse_arguments(ARG "EXCLUDE_FROM_CHECK_ALL" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1856 1857 # Search recursively for test directories by assuming anything not 1858 # in a directory called Inputs contains tests. 1859 file(GLOB_RECURSE to_process LIST_DIRECTORIES true ${directory}/*) 1860 foreach(lit_suite ${to_process}) 1861 if(NOT IS_DIRECTORY ${lit_suite}) 1862 continue() 1863 endif() 1864 string(FIND ${lit_suite} Inputs is_inputs) 1865 string(FIND ${lit_suite} Output is_output) 1866 if (NOT (is_inputs EQUAL -1 AND is_output EQUAL -1)) 1867 continue() 1868 endif() 1869 1870 # Create a check- target for the directory. 1871 string(REPLACE ${directory} "" name_slash ${lit_suite}) 1872 if (name_slash) 1873 string(REPLACE "/" "-" name_slash ${name_slash}) 1874 string(REPLACE "\\" "-" name_dashes ${name_slash}) 1875 string(TOLOWER "${project}${name_dashes}" name_var) 1876 add_lit_target("check-${name_var}" "Running lit suite ${lit_suite}" 1877 ${lit_suite} 1878 ${EXCLUDE_FROM_CHECK_ALL} 1879 PARAMS ${ARG_PARAMS} 1880 DEPENDS ${ARG_DEPENDS} 1881 ARGS ${ARG_ARGS} 1882 ) 1883 endif() 1884 endforeach() 1885 endif() 1886endfunction() 1887 1888function(llvm_install_library_symlink name dest type) 1889 cmake_parse_arguments(ARG "" "COMPONENT" "" ${ARGN}) 1890 foreach(path ${CMAKE_MODULE_PATH}) 1891 if(EXISTS ${path}/LLVMInstallSymlink.cmake) 1892 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake) 1893 break() 1894 endif() 1895 endforeach() 1896 1897 set(component ${ARG_COMPONENT}) 1898 if(NOT component) 1899 set(component ${name}) 1900 endif() 1901 1902 set(full_name ${CMAKE_${type}_LIBRARY_PREFIX}${name}${CMAKE_${type}_LIBRARY_SUFFIX}) 1903 set(full_dest ${CMAKE_${type}_LIBRARY_PREFIX}${dest}${CMAKE_${type}_LIBRARY_SUFFIX}) 1904 1905 set(output_dir lib${LLVM_LIBDIR_SUFFIX}) 1906 if(WIN32 AND "${type}" STREQUAL "SHARED") 1907 set(output_dir bin) 1908 endif() 1909 1910 install(SCRIPT ${INSTALL_SYMLINK} 1911 CODE "install_symlink(${full_name} ${full_dest} ${output_dir})" 1912 COMPONENT ${component}) 1913 1914endfunction() 1915 1916function(llvm_install_symlink name dest) 1917 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "COMPONENT" "" ${ARGN}) 1918 foreach(path ${CMAKE_MODULE_PATH}) 1919 if(EXISTS ${path}/LLVMInstallSymlink.cmake) 1920 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake) 1921 break() 1922 endif() 1923 endforeach() 1924 1925 if(ARG_COMPONENT) 1926 set(component ${ARG_COMPONENT}) 1927 else() 1928 if(ARG_ALWAYS_GENERATE) 1929 set(component ${dest}) 1930 else() 1931 set(component ${name}) 1932 endif() 1933 endif() 1934 1935 set(full_name ${name}${CMAKE_EXECUTABLE_SUFFIX}) 1936 set(full_dest ${dest}${CMAKE_EXECUTABLE_SUFFIX}) 1937 1938 install(SCRIPT ${INSTALL_SYMLINK} 1939 CODE "install_symlink(${full_name} ${full_dest} ${LLVM_TOOLS_INSTALL_DIR})" 1940 COMPONENT ${component}) 1941 1942 if (NOT LLVM_ENABLE_IDE AND NOT ARG_ALWAYS_GENERATE) 1943 add_llvm_install_targets(install-${name} 1944 DEPENDS ${name} ${dest} 1945 COMPONENT ${name} 1946 SYMLINK ${dest}) 1947 endif() 1948endfunction() 1949 1950function(add_llvm_tool_symlink link_name target) 1951 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "OUTPUT_DIR" "" ${ARGN}) 1952 set(dest_binary "$<TARGET_FILE:${target}>") 1953 1954 # This got a bit gross... For multi-configuration generators the target 1955 # properties return the resolved value of the string, not the build system 1956 # expression. To reconstruct the platform-agnostic path we have to do some 1957 # magic. First we grab one of the types, and a type-specific path. Then from 1958 # the type-specific path we find the last occurrence of the type in the path, 1959 # and replace it with CMAKE_CFG_INTDIR. This allows the build step to be type 1960 # agnostic again. 1961 if(NOT ARG_OUTPUT_DIR) 1962 # If you're not overriding the OUTPUT_DIR, we can make the link relative in 1963 # the same directory. 1964 if(CMAKE_HOST_UNIX) 1965 set(dest_binary "$<TARGET_FILE_NAME:${target}>") 1966 endif() 1967 if(CMAKE_CONFIGURATION_TYPES) 1968 list(GET CMAKE_CONFIGURATION_TYPES 0 first_type) 1969 string(TOUPPER ${first_type} first_type_upper) 1970 set(first_type_suffix _${first_type_upper}) 1971 endif() 1972 get_target_property(target_type ${target} TYPE) 1973 if(${target_type} STREQUAL "STATIC_LIBRARY") 1974 get_target_property(ARG_OUTPUT_DIR ${target} ARCHIVE_OUTPUT_DIRECTORY${first_type_suffix}) 1975 elseif(UNIX AND ${target_type} STREQUAL "SHARED_LIBRARY") 1976 get_target_property(ARG_OUTPUT_DIR ${target} LIBRARY_OUTPUT_DIRECTORY${first_type_suffix}) 1977 else() 1978 get_target_property(ARG_OUTPUT_DIR ${target} RUNTIME_OUTPUT_DIRECTORY${first_type_suffix}) 1979 endif() 1980 if(CMAKE_CONFIGURATION_TYPES) 1981 string(FIND "${ARG_OUTPUT_DIR}" "/${first_type}/" type_start REVERSE) 1982 string(SUBSTRING "${ARG_OUTPUT_DIR}" 0 ${type_start} path_prefix) 1983 string(SUBSTRING "${ARG_OUTPUT_DIR}" ${type_start} -1 path_suffix) 1984 string(REPLACE "/${first_type}/" "/${CMAKE_CFG_INTDIR}/" 1985 path_suffix ${path_suffix}) 1986 set(ARG_OUTPUT_DIR ${path_prefix}${path_suffix}) 1987 endif() 1988 endif() 1989 1990 if(CMAKE_HOST_UNIX) 1991 set(LLVM_LINK_OR_COPY create_symlink) 1992 else() 1993 set(LLVM_LINK_OR_COPY copy) 1994 endif() 1995 1996 set(output_path "${ARG_OUTPUT_DIR}/${link_name}${CMAKE_EXECUTABLE_SUFFIX}") 1997 1998 set(target_name ${link_name}) 1999 if(TARGET ${link_name}) 2000 set(target_name ${link_name}-link) 2001 endif() 2002 2003 2004 if(ARG_ALWAYS_GENERATE) 2005 set_property(DIRECTORY APPEND PROPERTY 2006 ADDITIONAL_MAKE_CLEAN_FILES ${dest_binary}) 2007 add_custom_command(TARGET ${target} POST_BUILD 2008 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}") 2009 else() 2010 add_custom_command(OUTPUT ${output_path} 2011 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}" 2012 DEPENDS ${target}) 2013 add_custom_target(${target_name} ALL DEPENDS ${target} ${output_path}) 2014 set_target_properties(${target_name} PROPERTIES FOLDER Tools) 2015 2016 # Make sure both the link and target are toolchain tools 2017 if (${link_name} IN_LIST LLVM_TOOLCHAIN_TOOLS AND ${target} IN_LIST LLVM_TOOLCHAIN_TOOLS) 2018 set(TOOL_IS_TOOLCHAIN ON) 2019 endif() 2020 2021 if ((TOOL_IS_TOOLCHAIN OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) AND LLVM_BUILD_TOOLS) 2022 llvm_install_symlink(${link_name} ${target}) 2023 endif() 2024 endif() 2025endfunction() 2026 2027function(llvm_externalize_debuginfo name) 2028 if(NOT LLVM_EXTERNALIZE_DEBUGINFO) 2029 return() 2030 endif() 2031 2032 if(NOT LLVM_EXTERNALIZE_DEBUGINFO_SKIP_STRIP) 2033 if(APPLE) 2034 if(NOT CMAKE_STRIP) 2035 set(CMAKE_STRIP xcrun strip) 2036 endif() 2037 set(strip_command COMMAND ${CMAKE_STRIP} -S -x $<TARGET_FILE:${name}>) 2038 else() 2039 set(strip_command COMMAND ${CMAKE_STRIP} -g -x $<TARGET_FILE:${name}>) 2040 endif() 2041 endif() 2042 2043 if(APPLE) 2044 if(LLVM_EXTERNALIZE_DEBUGINFO_EXTENSION) 2045 set(file_ext ${LLVM_EXTERNALIZE_DEBUGINFO_EXTENSION}) 2046 else() 2047 set(file_ext dSYM) 2048 endif() 2049 2050 set(output_name "$<TARGET_FILE_NAME:${name}>.${file_ext}") 2051 2052 if(LLVM_EXTERNALIZE_DEBUGINFO_OUTPUT_DIR) 2053 set(output_path "-o=${LLVM_EXTERNALIZE_DEBUGINFO_OUTPUT_DIR}/${output_name}") 2054 else() 2055 set(output_path "-o=${output_name}") 2056 endif() 2057 2058 if(CMAKE_CXX_FLAGS MATCHES "-flto" 2059 OR CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE} MATCHES "-flto") 2060 2061 set(lto_object ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${name}-lto.o) 2062 set_property(TARGET ${name} APPEND_STRING PROPERTY 2063 LINK_FLAGS " -Wl,-object_path_lto,${lto_object}") 2064 endif() 2065 if(NOT CMAKE_DSYMUTIL) 2066 set(CMAKE_DSYMUTIL xcrun dsymutil) 2067 endif() 2068 add_custom_command(TARGET ${name} POST_BUILD 2069 COMMAND ${CMAKE_DSYMUTIL} ${output_path} $<TARGET_FILE:${name}> 2070 ${strip_command} 2071 ) 2072 else() 2073 add_custom_command(TARGET ${name} POST_BUILD 2074 COMMAND ${CMAKE_OBJCOPY} --only-keep-debug $<TARGET_FILE:${name}> $<TARGET_FILE:${name}>.debug 2075 ${strip_command} -R .gnu_debuglink 2076 COMMAND ${CMAKE_OBJCOPY} --add-gnu-debuglink=$<TARGET_FILE:${name}>.debug $<TARGET_FILE:${name}> 2077 ) 2078 endif() 2079endfunction() 2080 2081# Usage: llvm_codesign(name [FORCE] [ENTITLEMENTS file] [BUNDLE_PATH path]) 2082function(llvm_codesign name) 2083 cmake_parse_arguments(ARG "FORCE" "ENTITLEMENTS;BUNDLE_PATH" "" ${ARGN}) 2084 2085 if(NOT LLVM_CODESIGNING_IDENTITY) 2086 return() 2087 endif() 2088 2089 if(CMAKE_GENERATOR STREQUAL "Xcode") 2090 set_target_properties(${name} PROPERTIES 2091 XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY ${LLVM_CODESIGNING_IDENTITY} 2092 ) 2093 if(DEFINED ARG_ENTITLEMENTS) 2094 set_target_properties(${name} PROPERTIES 2095 XCODE_ATTRIBUTE_CODE_SIGN_ENTITLEMENTS ${ARG_ENTITLEMENTS} 2096 ) 2097 endif() 2098 elseif(APPLE AND CMAKE_HOST_SYSTEM_NAME MATCHES Darwin) 2099 if(NOT CMAKE_CODESIGN) 2100 set(CMAKE_CODESIGN xcrun codesign) 2101 endif() 2102 if(NOT CMAKE_CODESIGN_ALLOCATE) 2103 execute_process( 2104 COMMAND xcrun -f codesign_allocate 2105 OUTPUT_STRIP_TRAILING_WHITESPACE 2106 OUTPUT_VARIABLE CMAKE_CODESIGN_ALLOCATE 2107 ) 2108 endif() 2109 if(DEFINED ARG_ENTITLEMENTS) 2110 set(pass_entitlements --entitlements ${ARG_ENTITLEMENTS}) 2111 endif() 2112 2113 if (NOT ARG_BUNDLE_PATH) 2114 set(ARG_BUNDLE_PATH $<TARGET_FILE:${name}>) 2115 endif() 2116 2117 # ld64 now always codesigns the binaries it creates. Apply the force arg 2118 # unconditionally so that we can - for example - add entitlements to the 2119 # targets that need it. 2120 set(force_flag "-f") 2121 2122 add_custom_command( 2123 TARGET ${name} POST_BUILD 2124 COMMAND ${CMAKE_COMMAND} -E 2125 env CODESIGN_ALLOCATE=${CMAKE_CODESIGN_ALLOCATE} 2126 ${CMAKE_CODESIGN} -s ${LLVM_CODESIGNING_IDENTITY} 2127 ${pass_entitlements} ${force_flag} ${ARG_BUNDLE_PATH} 2128 ) 2129 endif() 2130endfunction() 2131 2132function(llvm_setup_rpath name) 2133 if(CMAKE_INSTALL_RPATH) 2134 return() 2135 endif() 2136 2137 if(LLVM_INSTALL_PREFIX AND NOT (LLVM_INSTALL_PREFIX STREQUAL CMAKE_INSTALL_PREFIX)) 2138 set(extra_libdir ${LLVM_LIBRARY_DIR}) 2139 elseif(LLVM_BUILD_LIBRARY_DIR) 2140 set(extra_libdir ${LLVM_LIBRARY_DIR}) 2141 endif() 2142 2143 if (APPLE) 2144 set(_install_name_dir INSTALL_NAME_DIR "@rpath") 2145 set(_install_rpath "@loader_path/../lib${LLVM_LIBDIR_SUFFIX}" ${extra_libdir}) 2146 elseif(${CMAKE_SYSTEM_NAME} MATCHES "AIX" AND BUILD_SHARED_LIBS) 2147 # $ORIGIN is not interpreted at link time by aix ld. 2148 # Since BUILD_SHARED_LIBS is only recommended for use by developers, 2149 # hardcode the rpath to build/install lib dir first in this mode. 2150 # FIXME: update this when there is better solution. 2151 set(_install_rpath "${LLVM_LIBRARY_OUTPUT_INTDIR}" "${CMAKE_INSTALL_PREFIX}/lib${LLVM_LIBDIR_SUFFIX}" ${extra_libdir}) 2152 elseif(UNIX) 2153 set(_install_rpath "\$ORIGIN/../lib${LLVM_LIBDIR_SUFFIX}" ${extra_libdir}) 2154 if(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)") 2155 set_property(TARGET ${name} APPEND_STRING PROPERTY 2156 LINK_FLAGS " -Wl,-z,origin ") 2157 endif() 2158 if(LLVM_LINKER_IS_GNULD) 2159 # $ORIGIN is not interpreted at link time by ld.bfd 2160 set_property(TARGET ${name} APPEND_STRING PROPERTY 2161 LINK_FLAGS " -Wl,-rpath-link,${LLVM_LIBRARY_OUTPUT_INTDIR} ") 2162 endif() 2163 else() 2164 return() 2165 endif() 2166 2167 # Enable BUILD_WITH_INSTALL_RPATH unless CMAKE_BUILD_RPATH is set. 2168 if("${CMAKE_BUILD_RPATH}" STREQUAL "") 2169 set_property(TARGET ${name} PROPERTY BUILD_WITH_INSTALL_RPATH ON) 2170 endif() 2171 2172 set_target_properties(${name} PROPERTIES 2173 INSTALL_RPATH "${_install_rpath}" 2174 ${_install_name_dir}) 2175endfunction() 2176 2177function(setup_dependency_debugging name) 2178 if(NOT LLVM_DEPENDENCY_DEBUGGING) 2179 return() 2180 endif() 2181 2182 if("intrinsics_gen" IN_LIST ARGN) 2183 return() 2184 endif() 2185 2186 set(deny_attributes_inc "(deny file* (literal \"${LLVM_BINARY_DIR}/include/llvm/IR/Attributes.inc\"))") 2187 set(deny_intrinsics_inc "(deny file* (literal \"${LLVM_BINARY_DIR}/include/llvm/IR/Intrinsics.inc\"))") 2188 2189 set(sandbox_command "sandbox-exec -p '(version 1) (allow default) ${deny_attributes_inc} ${deny_intrinsics_inc}'") 2190 set_target_properties(${name} PROPERTIES RULE_LAUNCH_COMPILE ${sandbox_command}) 2191endfunction() 2192 2193# If the sources at the given `path` are under version control, set `out_var` 2194# to the the path of a file which will be modified when the VCS revision 2195# changes, attempting to create that file if it does not exist; if no such 2196# file exists and one cannot be created, instead set `out_var` to the 2197# empty string. 2198# 2199# If the sources are not under version control, do not define `out_var`. 2200function(find_first_existing_vc_file path out_var) 2201 if(NOT EXISTS "${path}") 2202 return() 2203 endif() 2204 find_package(Git) 2205 if(GIT_FOUND) 2206 execute_process(COMMAND ${GIT_EXECUTABLE} rev-parse --git-dir 2207 WORKING_DIRECTORY ${path} 2208 RESULT_VARIABLE git_result 2209 OUTPUT_VARIABLE git_output 2210 ERROR_QUIET) 2211 if(git_result EQUAL 0) 2212 string(STRIP "${git_output}" git_output) 2213 get_filename_component(git_dir ${git_output} ABSOLUTE BASE_DIR ${path}) 2214 # Some branchless cases (e.g. 'repo') may not yet have .git/logs/HEAD 2215 if (NOT EXISTS "${git_dir}/logs/HEAD") 2216 execute_process(COMMAND ${CMAKE_COMMAND} -E touch HEAD 2217 WORKING_DIRECTORY "${git_dir}/logs" 2218 RESULT_VARIABLE touch_head_result 2219 ERROR_QUIET) 2220 if (NOT touch_head_result EQUAL 0) 2221 set(${out_var} "" PARENT_SCOPE) 2222 return() 2223 endif() 2224 endif() 2225 set(${out_var} "${git_dir}/logs/HEAD" PARENT_SCOPE) 2226 endif() 2227 endif() 2228endfunction() 2229