1include(LLVMProcessSources) 2include(LLVM-Config) 3include(DetermineGCCCompatible) 4 5function(llvm_update_compile_flags name) 6 get_property(sources TARGET ${name} PROPERTY SOURCES) 7 if("${sources}" MATCHES "\\.c(;|$)") 8 set(update_src_props ON) 9 endif() 10 11 list(APPEND LLVM_COMPILE_CFLAGS " ${LLVM_COMPILE_FLAGS}") 12 13 # LLVM_REQUIRES_EH is an internal flag that individual targets can use to 14 # force EH 15 if(LLVM_REQUIRES_EH OR LLVM_ENABLE_EH) 16 if(NOT (LLVM_REQUIRES_RTTI OR LLVM_ENABLE_RTTI)) 17 message(AUTHOR_WARNING "Exception handling requires RTTI. Enabling RTTI for ${name}") 18 set(LLVM_REQUIRES_RTTI ON) 19 endif() 20 if(MSVC) 21 list(APPEND LLVM_COMPILE_FLAGS "/EHsc") 22 endif() 23 else() 24 if(LLVM_COMPILER_IS_GCC_COMPATIBLE) 25 list(APPEND LLVM_COMPILE_FLAGS "-fno-exceptions") 26 if(NOT LLVM_ENABLE_UNWIND_TABLES) 27 list(APPEND LLVM_COMPILE_FLAGS "-fno-unwind-tables") 28 list(APPEND LLVM_COMPILE_FLAGS "-fno-asynchronous-unwind-tables") 29 endif() 30 elseif(MSVC) 31 list(APPEND LLVM_COMPILE_DEFINITIONS _HAS_EXCEPTIONS=0) 32 list(APPEND LLVM_COMPILE_FLAGS "/EHs-c-") 33 elseif (CMAKE_CXX_COMPILER_ID MATCHES "XL") 34 list(APPEND LLVM_COMPILE_FLAGS "-qnoeh") 35 endif() 36 endif() 37 38 # LLVM_REQUIRES_RTTI is an internal flag that individual 39 # targets can use to force RTTI 40 set(LLVM_CONFIG_HAS_RTTI YES CACHE INTERNAL "") 41 if(NOT (LLVM_REQUIRES_RTTI OR LLVM_ENABLE_RTTI)) 42 set(LLVM_CONFIG_HAS_RTTI NO CACHE INTERNAL "") 43 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_RTTI=0) 44 if (LLVM_COMPILER_IS_GCC_COMPATIBLE) 45 list(APPEND LLVM_COMPILE_FLAGS "-fno-rtti") 46 elseif (MSVC) 47 list(APPEND LLVM_COMPILE_FLAGS "/GR-") 48 elseif (CMAKE_CXX_COMPILER_ID MATCHES "XL") 49 list(APPEND LLVM_COMPILE_FLAGS "-qnortti") 50 endif () 51 elseif(MSVC) 52 list(APPEND LLVM_COMPILE_FLAGS "/GR") 53 endif() 54 55 # Assume that; 56 # - LLVM_COMPILE_FLAGS is list. 57 # - PROPERTY COMPILE_FLAGS is string. 58 string(REPLACE ";" " " target_compile_flags " ${LLVM_COMPILE_FLAGS}") 59 string(REPLACE ";" " " target_compile_cflags " ${LLVM_COMPILE_CFLAGS}") 60 61 if(update_src_props) 62 foreach(fn ${sources}) 63 get_filename_component(suf ${fn} EXT) 64 if("${suf}" STREQUAL ".cpp") 65 set_property(SOURCE ${fn} APPEND_STRING PROPERTY 66 COMPILE_FLAGS "${target_compile_flags}") 67 endif() 68 if("${suf}" STREQUAL ".c") 69 set_property(SOURCE ${fn} APPEND_STRING PROPERTY 70 COMPILE_FLAGS "${target_compile_cflags}") 71 endif() 72 endforeach() 73 else() 74 # Update target props, since all sources are C++. 75 set_property(TARGET ${name} APPEND_STRING PROPERTY 76 COMPILE_FLAGS "${target_compile_flags}") 77 endif() 78 79 set_property(TARGET ${name} APPEND PROPERTY COMPILE_DEFINITIONS ${LLVM_COMPILE_DEFINITIONS}) 80endfunction() 81 82function(add_llvm_symbol_exports target_name export_file) 83 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") 84 set(native_export_file "${target_name}.exports") 85 add_custom_command(OUTPUT ${native_export_file} 86 COMMAND sed -e "s/^/_/" < ${export_file} > ${native_export_file} 87 DEPENDS ${export_file} 88 VERBATIM 89 COMMENT "Creating export file for ${target_name}") 90 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 91 LINK_FLAGS " -Wl,-exported_symbols_list,\"${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}\"") 92 elseif(${CMAKE_SYSTEM_NAME} MATCHES "AIX") 93 set(native_export_file "${export_file}") 94 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 95 LINK_FLAGS " -Wl,-bE:${export_file}") 96 elseif(LLVM_HAVE_LINK_VERSION_SCRIPT) 97 # Gold and BFD ld require a version script rather than a plain list. 98 set(native_export_file "${target_name}.exports") 99 # FIXME: Don't write the "local:" line on OpenBSD. 100 # in the export file, also add a linker script to version LLVM symbols (form: LLVM_N.M) 101 add_custom_command(OUTPUT ${native_export_file} 102 COMMAND echo "LLVM_${LLVM_VERSION_MAJOR} {" > ${native_export_file} 103 COMMAND grep -q "[[:alnum:]]" ${export_file} && echo " global:" >> ${native_export_file} || : 104 COMMAND sed -e "s/$/;/" -e "s/^/ /" < ${export_file} >> ${native_export_file} 105 COMMAND echo " local: *;" >> ${native_export_file} 106 COMMAND echo "};" >> ${native_export_file} 107 DEPENDS ${export_file} 108 VERBATIM 109 COMMENT "Creating export file for ${target_name}") 110 if (${LLVM_LINKER_IS_SOLARISLD}) 111 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 112 LINK_FLAGS " -Wl,-M,\"${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}\"") 113 else() 114 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 115 LINK_FLAGS " -Wl,--version-script,\"${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}\"") 116 endif() 117 else() 118 set(native_export_file "${target_name}.def") 119 120 add_custom_command(OUTPUT ${native_export_file} 121 COMMAND "${Python3_EXECUTABLE}" -c "import sys;print(''.join(['EXPORTS\\n']+sys.stdin.readlines(),))" 122 < ${export_file} > ${native_export_file} 123 DEPENDS ${export_file} 124 VERBATIM 125 COMMENT "Creating export file for ${target_name}") 126 set(export_file_linker_flag "${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") 127 if(MSVC) 128 set(export_file_linker_flag "/DEF:\"${export_file_linker_flag}\"") 129 endif() 130 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 131 LINK_FLAGS " ${export_file_linker_flag}") 132 endif() 133 134 add_custom_target(${target_name}_exports DEPENDS ${native_export_file}) 135 set_target_properties(${target_name}_exports PROPERTIES FOLDER "Misc") 136 137 get_property(srcs TARGET ${target_name} PROPERTY SOURCES) 138 foreach(src ${srcs}) 139 get_filename_component(extension ${src} EXT) 140 if(extension STREQUAL ".cpp") 141 set(first_source_file ${src}) 142 break() 143 endif() 144 endforeach() 145 146 # Force re-linking when the exports file changes. Actually, it 147 # forces recompilation of the source file. The LINK_DEPENDS target 148 # property only works for makefile-based generators. 149 # FIXME: This is not safe because this will create the same target 150 # ${native_export_file} in several different file: 151 # - One where we emitted ${target_name}_exports 152 # - One where we emitted the build command for the following object. 153 # set_property(SOURCE ${first_source_file} APPEND PROPERTY 154 # OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}) 155 156 set_property(DIRECTORY APPEND 157 PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${native_export_file}) 158 159 add_dependencies(${target_name} ${target_name}_exports) 160 161 # Add dependency to *_exports later -- CMake issue 14747 162 list(APPEND LLVM_COMMON_DEPENDS ${target_name}_exports) 163 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} PARENT_SCOPE) 164endfunction(add_llvm_symbol_exports) 165 166if (NOT DEFINED LLVM_LINKER_DETECTED) 167 if(APPLE) 168 execute_process( 169 COMMAND "${CMAKE_LINKER}" -v 170 ERROR_VARIABLE stderr 171 ) 172 if("${stderr}" MATCHES "PROJECT:ld64") 173 set(LLVM_LINKER_DETECTED YES CACHE INTERNAL "") 174 set(LLVM_LINKER_IS_LD64 YES CACHE INTERNAL "") 175 message(STATUS "Linker detection: ld64") 176 else() 177 set(LLVM_LINKER_DETECTED NO CACHE INTERNAL "") 178 message(STATUS "Linker detection: unknown") 179 endif() 180 elseif(NOT WIN32) 181 # Detect what linker we have here 182 if( LLVM_USE_LINKER ) 183 set(command ${CMAKE_C_COMPILER} -fuse-ld=${LLVM_USE_LINKER} -Wl,--version) 184 else() 185 separate_arguments(flags UNIX_COMMAND "${CMAKE_EXE_LINKER_FLAGS}") 186 set(command ${CMAKE_C_COMPILER} ${flags} -Wl,--version) 187 endif() 188 execute_process( 189 COMMAND ${command} 190 OUTPUT_VARIABLE stdout 191 ERROR_VARIABLE stderr 192 ) 193 if("${stdout}" MATCHES "GNU gold") 194 set(LLVM_LINKER_DETECTED YES CACHE INTERNAL "") 195 set(LLVM_LINKER_IS_GOLD YES CACHE INTERNAL "") 196 message(STATUS "Linker detection: GNU Gold") 197 elseif("${stdout}" MATCHES "^LLD") 198 set(LLVM_LINKER_DETECTED YES CACHE INTERNAL "") 199 set(LLVM_LINKER_IS_LLD YES CACHE INTERNAL "") 200 message(STATUS "Linker detection: LLD") 201 elseif("${stdout}" MATCHES "GNU ld") 202 set(LLVM_LINKER_DETECTED YES CACHE INTERNAL "") 203 set(LLVM_LINKER_IS_GNULD YES CACHE INTERNAL "") 204 message(STATUS "Linker detection: GNU ld") 205 elseif("${stderr}" MATCHES "Solaris Link Editors" OR 206 "${stdout}" MATCHES "Solaris Link Editors") 207 set(LLVM_LINKER_DETECTED YES CACHE INTERNAL "") 208 set(LLVM_LINKER_IS_SOLARISLD YES CACHE INTERNAL "") 209 message(STATUS "Linker detection: Solaris ld") 210 else() 211 set(LLVM_LINKER_DETECTED NO CACHE INTERNAL "") 212 message(STATUS "Linker detection: unknown") 213 endif() 214 endif() 215endif() 216 217function(add_link_opts target_name) 218 # Don't use linker optimizations in debug builds since it slows down the 219 # linker in a context where the optimizations are not important. 220 if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG") 221 222 # Pass -O3 to the linker. This enabled different optimizations on different 223 # linkers. 224 if(NOT (CMAKE_SYSTEM_NAME MATCHES "Darwin|SunOS|AIX|OS390" OR WIN32)) 225 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 226 LINK_FLAGS " -Wl,-O3") 227 endif() 228 229 if(LLVM_LINKER_IS_GOLD) 230 # With gold gc-sections is always safe. 231 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 232 LINK_FLAGS " -Wl,--gc-sections") 233 # Note that there is a bug with -Wl,--icf=safe so it is not safe 234 # to enable. See https://sourceware.org/bugzilla/show_bug.cgi?id=17704. 235 endif() 236 237 if(NOT LLVM_NO_DEAD_STRIP) 238 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") 239 # ld64's implementation of -dead_strip breaks tools that use plugins. 240 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 241 LINK_FLAGS " -Wl,-dead_strip") 242 elseif(${CMAKE_SYSTEM_NAME} MATCHES "SunOS") 243 # Support for ld -z discard-unused=sections was only added in 244 # Solaris 11.4. 245 include(CheckLinkerFlag) 246 check_linker_flag("-Wl,-z,discard-unused=sections" LINKER_SUPPORTS_Z_DISCARD_UNUSED) 247 if (LINKER_SUPPORTS_Z_DISCARD_UNUSED) 248 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 249 LINK_FLAGS " -Wl,-z,discard-unused=sections") 250 endif() 251 elseif(NOT WIN32 AND NOT LLVM_LINKER_IS_GOLD AND 252 NOT CMAKE_SYSTEM_NAME MATCHES "OpenBSD|AIX|OS390") 253 # Object files are compiled with -ffunction-data-sections. 254 # Versions of bfd ld < 2.23.1 have a bug in --gc-sections that breaks 255 # tools that use plugins. Always pass --gc-sections once we require 256 # a newer linker. 257 # TODO Revisit this later on z/OS. 258 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 259 LINK_FLAGS " -Wl,--gc-sections") 260 endif() 261 else() #LLVM_NO_DEAD_STRIP 262 if(${CMAKE_SYSTEM_NAME} MATCHES "AIX") 263 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 264 LINK_FLAGS " -Wl,-bnogc") 265 endif() 266 endif() 267 endif() 268 269 if(ARG_SUPPORT_PLUGINS AND ${CMAKE_SYSTEM_NAME} MATCHES "AIX") 270 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 271 LINK_FLAGS " -Wl,-brtl") 272 endif() 273endfunction(add_link_opts) 274 275# Set each output directory according to ${CMAKE_CONFIGURATION_TYPES}. 276# Note: Don't set variables CMAKE_*_OUTPUT_DIRECTORY any more, 277# or a certain builder, for eaxample, msbuild.exe, would be confused. 278function(set_output_directory target) 279 cmake_parse_arguments(ARG "" "BINARY_DIR;LIBRARY_DIR" "" ${ARGN}) 280 281 # module_dir -- corresponding to LIBRARY_OUTPUT_DIRECTORY. 282 # It affects output of add_library(MODULE). 283 if(WIN32 OR CYGWIN) 284 # DLL platform 285 set(module_dir ${ARG_BINARY_DIR}) 286 else() 287 set(module_dir ${ARG_LIBRARY_DIR}) 288 endif() 289 if(NOT "${CMAKE_CFG_INTDIR}" STREQUAL ".") 290 foreach(build_mode ${CMAKE_CONFIGURATION_TYPES}) 291 string(TOUPPER "${build_mode}" CONFIG_SUFFIX) 292 if(ARG_BINARY_DIR) 293 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} bi ${ARG_BINARY_DIR}) 294 set_target_properties(${target} PROPERTIES "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${bi}) 295 endif() 296 if(ARG_LIBRARY_DIR) 297 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} li ${ARG_LIBRARY_DIR}) 298 set_target_properties(${target} PROPERTIES "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${li}) 299 endif() 300 if(module_dir) 301 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} mi ${module_dir}) 302 set_target_properties(${target} PROPERTIES "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${mi}) 303 endif() 304 endforeach() 305 else() 306 if(ARG_BINARY_DIR) 307 set_target_properties(${target} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${ARG_BINARY_DIR}) 308 endif() 309 if(ARG_LIBRARY_DIR) 310 set_target_properties(${target} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${ARG_LIBRARY_DIR}) 311 endif() 312 if(module_dir) 313 set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${module_dir}) 314 endif() 315 endif() 316endfunction() 317 318# If on Windows and building with MSVC, add the resource script containing the 319# VERSIONINFO data to the project. This embeds version resource information 320# into the output .exe or .dll. 321# TODO: Enable for MinGW Windows builds too. 322# 323function(add_windows_version_resource_file OUT_VAR) 324 set(sources ${ARGN}) 325 if (MSVC AND CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows") 326 set(resource_file ${LLVM_SOURCE_DIR}/resources/windows_version_resource.rc) 327 if(EXISTS ${resource_file}) 328 set(sources ${sources} ${resource_file}) 329 source_group("Resource Files" ${resource_file}) 330 set(windows_resource_file ${resource_file} PARENT_SCOPE) 331 endif() 332 endif(MSVC AND CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows") 333 334 set(${OUT_VAR} ${sources} PARENT_SCOPE) 335endfunction(add_windows_version_resource_file) 336 337# set_windows_version_resource_properties(name resource_file... 338# VERSION_MAJOR int 339# Optional major version number (defaults to LLVM_VERSION_MAJOR) 340# VERSION_MINOR int 341# Optional minor version number (defaults to LLVM_VERSION_MINOR) 342# VERSION_PATCHLEVEL int 343# Optional patchlevel version number (defaults to LLVM_VERSION_PATCH) 344# VERSION_STRING 345# Optional version string (defaults to PACKAGE_VERSION) 346# PRODUCT_NAME 347# Optional product name string (defaults to "LLVM") 348# ) 349function(set_windows_version_resource_properties name resource_file) 350 cmake_parse_arguments(ARG 351 "" 352 "VERSION_MAJOR;VERSION_MINOR;VERSION_PATCHLEVEL;VERSION_STRING;PRODUCT_NAME" 353 "" 354 ${ARGN}) 355 356 if (NOT DEFINED ARG_VERSION_MAJOR) 357 set(ARG_VERSION_MAJOR ${LLVM_VERSION_MAJOR}) 358 endif() 359 360 if (NOT DEFINED ARG_VERSION_MINOR) 361 set(ARG_VERSION_MINOR ${LLVM_VERSION_MINOR}) 362 endif() 363 364 if (NOT DEFINED ARG_VERSION_PATCHLEVEL) 365 set(ARG_VERSION_PATCHLEVEL ${LLVM_VERSION_PATCH}) 366 endif() 367 368 if (NOT DEFINED ARG_VERSION_STRING) 369 set(ARG_VERSION_STRING ${PACKAGE_VERSION}) 370 endif() 371 372 if (NOT DEFINED ARG_PRODUCT_NAME) 373 set(ARG_PRODUCT_NAME "LLVM") 374 endif() 375 376 set_property(SOURCE ${resource_file} 377 PROPERTY COMPILE_FLAGS /nologo) 378 set_property(SOURCE ${resource_file} 379 PROPERTY COMPILE_DEFINITIONS 380 "RC_VERSION_FIELD_1=${ARG_VERSION_MAJOR}" 381 "RC_VERSION_FIELD_2=${ARG_VERSION_MINOR}" 382 "RC_VERSION_FIELD_3=${ARG_VERSION_PATCHLEVEL}" 383 "RC_VERSION_FIELD_4=0" 384 "RC_FILE_VERSION=\"${ARG_VERSION_STRING}\"" 385 "RC_INTERNAL_NAME=\"${name}\"" 386 "RC_PRODUCT_NAME=\"${ARG_PRODUCT_NAME}\"" 387 "RC_PRODUCT_VERSION=\"${ARG_VERSION_STRING}\"") 388endfunction(set_windows_version_resource_properties) 389 390# llvm_add_library(name sources... 391# SHARED;STATIC 392# STATIC by default w/o BUILD_SHARED_LIBS. 393# SHARED by default w/ BUILD_SHARED_LIBS. 394# OBJECT 395# Also create an OBJECT library target. Default if STATIC && SHARED. 396# MODULE 397# Target ${name} might not be created on unsupported platforms. 398# Check with "if(TARGET ${name})". 399# DISABLE_LLVM_LINK_LLVM_DYLIB 400# Do not link this library to libLLVM, even if 401# LLVM_LINK_LLVM_DYLIB is enabled. 402# OUTPUT_NAME name 403# Corresponds to OUTPUT_NAME in target properties. 404# DEPENDS targets... 405# Same semantics as add_dependencies(). 406# LINK_COMPONENTS components... 407# Same as the variable LLVM_LINK_COMPONENTS. 408# LINK_LIBS lib_targets... 409# Same semantics as target_link_libraries(). 410# ADDITIONAL_HEADERS 411# May specify header files for IDE generators. 412# SONAME 413# Should set SONAME link flags and create symlinks 414# NO_INSTALL_RPATH 415# Suppress default RPATH settings in shared libraries. 416# PLUGIN_TOOL 417# The tool (i.e. cmake target) that this plugin will link against 418# COMPONENT_LIB 419# This is used to specify that this is a component library of 420# LLVM which means that the source resides in llvm/lib/ and it is a 421# candidate for inclusion into libLLVM.so. 422# ) 423function(llvm_add_library name) 424 cmake_parse_arguments(ARG 425 "MODULE;SHARED;STATIC;OBJECT;DISABLE_LLVM_LINK_LLVM_DYLIB;SONAME;NO_INSTALL_RPATH;COMPONENT_LIB" 426 "OUTPUT_NAME;PLUGIN_TOOL;ENTITLEMENTS;BUNDLE_PATH" 427 "ADDITIONAL_HEADERS;DEPENDS;LINK_COMPONENTS;LINK_LIBS;OBJLIBS" 428 ${ARGN}) 429 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS}) 430 if(ARG_ADDITIONAL_HEADERS) 431 # Pass through ADDITIONAL_HEADERS. 432 set(ARG_ADDITIONAL_HEADERS ADDITIONAL_HEADERS ${ARG_ADDITIONAL_HEADERS}) 433 endif() 434 if(ARG_OBJLIBS) 435 set(ALL_FILES ${ARG_OBJLIBS}) 436 else() 437 llvm_process_sources(ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ${ARG_ADDITIONAL_HEADERS}) 438 endif() 439 440 if(ARG_MODULE) 441 if(ARG_SHARED OR ARG_STATIC) 442 message(WARNING "MODULE with SHARED|STATIC doesn't make sense.") 443 endif() 444 # Plugins that link against a tool are allowed even when plugins in general are not 445 if(NOT LLVM_ENABLE_PLUGINS AND NOT (ARG_PLUGIN_TOOL AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS)) 446 message(STATUS "${name} ignored -- Loadable modules not supported on this platform.") 447 return() 448 endif() 449 else() 450 if(ARG_PLUGIN_TOOL) 451 message(WARNING "PLUGIN_TOOL without MODULE doesn't make sense.") 452 endif() 453 if(BUILD_SHARED_LIBS AND NOT ARG_STATIC) 454 set(ARG_SHARED TRUE) 455 endif() 456 if(NOT ARG_SHARED) 457 set(ARG_STATIC TRUE) 458 endif() 459 endif() 460 461 # Generate objlib 462 if((ARG_SHARED AND ARG_STATIC) OR ARG_OBJECT) 463 # Generate an obj library for both targets. 464 set(obj_name "obj.${name}") 465 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL 466 ${ALL_FILES} 467 ) 468 llvm_update_compile_flags(${obj_name}) 469 if(CMAKE_GENERATOR STREQUAL "Xcode") 470 set(DUMMY_FILE ${CMAKE_CURRENT_BINARY_DIR}/Dummy.c) 471 file(WRITE ${DUMMY_FILE} "// This file intentionally empty\n") 472 set_property(SOURCE ${DUMMY_FILE} APPEND_STRING PROPERTY COMPILE_FLAGS "-Wno-empty-translation-unit") 473 endif() 474 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>" ${DUMMY_FILE}) 475 476 # Do add_dependencies(obj) later due to CMake issue 14747. 477 list(APPEND objlibs ${obj_name}) 478 479 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") 480 if(ARG_DEPENDS) 481 add_dependencies(${obj_name} ${ARG_DEPENDS}) 482 endif() 483 # Treat link libraries like PUBLIC dependencies. LINK_LIBS might 484 # result in generating header files. Add a dependendency so that 485 # the generated header is created before this object library. 486 if(ARG_LINK_LIBS) 487 cmake_parse_arguments(LINK_LIBS_ARG 488 "" 489 "" 490 "PUBLIC;PRIVATE" 491 ${ARG_LINK_LIBS}) 492 foreach(link_lib ${LINK_LIBS_ARG_PUBLIC}) 493 if(LLVM_PTHREAD_LIB) 494 # Can't specify a dependence on -lpthread 495 if(NOT ${link_lib} STREQUAL ${LLVM_PTHREAD_LIB}) 496 add_dependencies(${obj_name} ${link_lib}) 497 endif() 498 else() 499 add_dependencies(${obj_name} ${link_lib}) 500 endif() 501 endforeach() 502 endif() 503 endif() 504 505 if(ARG_SHARED AND ARG_STATIC) 506 # static 507 set(name_static "${name}_static") 508 if(ARG_OUTPUT_NAME) 509 set(output_name OUTPUT_NAME "${ARG_OUTPUT_NAME}") 510 endif() 511 # DEPENDS has been appended to LLVM_COMMON_LIBS. 512 llvm_add_library(${name_static} STATIC 513 ${output_name} 514 OBJLIBS ${ALL_FILES} # objlib 515 LINK_LIBS ${ARG_LINK_LIBS} 516 LINK_COMPONENTS ${ARG_LINK_COMPONENTS} 517 ) 518 # FIXME: Add name_static to anywhere in TARGET ${name}'s PROPERTY. 519 set(ARG_STATIC) 520 endif() 521 522 if(ARG_MODULE) 523 add_library(${name} MODULE ${ALL_FILES}) 524 elseif(ARG_SHARED) 525 add_windows_version_resource_file(ALL_FILES ${ALL_FILES}) 526 add_library(${name} SHARED ${ALL_FILES}) 527 else() 528 add_library(${name} STATIC ${ALL_FILES}) 529 endif() 530 531 if(ARG_COMPONENT_LIB) 532 set_target_properties(${name} PROPERTIES LLVM_COMPONENT TRUE) 533 set_property(GLOBAL APPEND PROPERTY LLVM_COMPONENT_LIBS ${name}) 534 endif() 535 536 if(NOT ARG_NO_INSTALL_RPATH) 537 if(ARG_MODULE OR ARG_SHARED) 538 llvm_setup_rpath(${name}) 539 endif() 540 endif() 541 542 setup_dependency_debugging(${name} ${LLVM_COMMON_DEPENDS}) 543 544 if(DEFINED windows_resource_file) 545 set_windows_version_resource_properties(${name} ${windows_resource_file}) 546 set(windows_resource_file ${windows_resource_file} PARENT_SCOPE) 547 endif() 548 549 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) 550 # $<TARGET_OBJECTS> doesn't require compile flags. 551 if(NOT obj_name) 552 llvm_update_compile_flags(${name}) 553 endif() 554 add_link_opts( ${name} ) 555 if(ARG_OUTPUT_NAME) 556 set_target_properties(${name} 557 PROPERTIES 558 OUTPUT_NAME ${ARG_OUTPUT_NAME} 559 ) 560 endif() 561 562 if(ARG_MODULE) 563 set_target_properties(${name} PROPERTIES 564 PREFIX "" 565 SUFFIX ${LLVM_PLUGIN_EXT} 566 ) 567 endif() 568 569 if(ARG_SHARED) 570 if(MSVC) 571 set_target_properties(${name} PROPERTIES 572 PREFIX "" 573 ) 574 endif() 575 576 # Set SOVERSION on shared libraries that lack explicit SONAME 577 # specifier, on *nix systems that are not Darwin. 578 if(UNIX AND NOT APPLE AND NOT ARG_SONAME) 579 set_target_properties(${name} 580 PROPERTIES 581 # Since 4.0.0, the ABI version is indicated by the major version 582 SOVERSION ${LLVM_VERSION_MAJOR}${LLVM_VERSION_SUFFIX} 583 VERSION ${LLVM_VERSION_MAJOR}${LLVM_VERSION_SUFFIX}) 584 endif() 585 endif() 586 587 if(ARG_MODULE OR ARG_SHARED) 588 # Do not add -Dname_EXPORTS to the command-line when building files in this 589 # target. Doing so is actively harmful for the modules build because it 590 # creates extra module variants, and not useful because we don't use these 591 # macros. 592 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) 593 594 if (LLVM_EXPORTED_SYMBOL_FILE) 595 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 596 endif() 597 endif() 598 599 if(ARG_SHARED AND UNIX) 600 if(NOT APPLE AND ARG_SONAME) 601 get_target_property(output_name ${name} OUTPUT_NAME) 602 if(${output_name} STREQUAL "output_name-NOTFOUND") 603 set(output_name ${name}) 604 endif() 605 set(library_name ${output_name}-${LLVM_VERSION_MAJOR}${LLVM_VERSION_SUFFIX}) 606 set(api_name ${output_name}-${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX}) 607 set_target_properties(${name} PROPERTIES OUTPUT_NAME ${library_name}) 608 llvm_install_library_symlink(${api_name} ${library_name} SHARED 609 COMPONENT ${name} 610 ALWAYS_GENERATE) 611 llvm_install_library_symlink(${output_name} ${library_name} SHARED 612 COMPONENT ${name} 613 ALWAYS_GENERATE) 614 endif() 615 endif() 616 617 if(ARG_MODULE AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS AND ARG_PLUGIN_TOOL AND (WIN32 OR CYGWIN)) 618 # On DLL platforms symbols are imported from the tool by linking against it. 619 set(llvm_libs ${ARG_PLUGIN_TOOL}) 620 elseif (NOT ARG_COMPONENT_LIB) 621 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB) 622 set(llvm_libs LLVM) 623 else() 624 llvm_map_components_to_libnames(llvm_libs 625 ${ARG_LINK_COMPONENTS} 626 ${LLVM_LINK_COMPONENTS} 627 ) 628 endif() 629 else() 630 # Components have not been defined explicitly in CMake, so add the 631 # dependency information for this library as defined by LLVMBuild. 632 # 633 # It would be nice to verify that we have the dependencies for this library 634 # name, but using get_property(... SET) doesn't suffice to determine if a 635 # property has been set to an empty value. 636 get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${name}) 637 endif() 638 639 if(ARG_STATIC) 640 set(libtype PUBLIC) 641 else() 642 # We can use PRIVATE since SO knows its dependent libs. 643 set(libtype PRIVATE) 644 endif() 645 646 target_link_libraries(${name} ${libtype} 647 ${ARG_LINK_LIBS} 648 ${lib_deps} 649 ${llvm_libs} 650 ) 651 652 if(LLVM_COMMON_DEPENDS) 653 add_dependencies(${name} ${LLVM_COMMON_DEPENDS}) 654 # Add dependencies also to objlibs. 655 # CMake issue 14747 -- add_dependencies() might be ignored to objlib's user. 656 foreach(objlib ${objlibs}) 657 add_dependencies(${objlib} ${LLVM_COMMON_DEPENDS}) 658 endforeach() 659 endif() 660 661 if(ARG_SHARED OR ARG_MODULE) 662 llvm_externalize_debuginfo(${name}) 663 llvm_codesign(${name} ENTITLEMENTS ${ARG_ENTITLEMENTS} BUNDLE_PATH ${ARG_BUNDLE_PATH}) 664 endif() 665 # clang and newer versions of ninja use high-resolutions timestamps, 666 # but older versions of libtool on Darwin don't, so the archive will 667 # often get an older timestamp than the last object that was added 668 # or updated. To fix this, we add a custom command to touch archive 669 # after it's been built so that ninja won't rebuild it unnecessarily 670 # the next time it's run. 671 if(ARG_STATIC AND LLVM_TOUCH_STATIC_LIBRARIES) 672 add_custom_command(TARGET ${name} 673 POST_BUILD 674 COMMAND touch ${LLVM_LIBRARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}${name}${CMAKE_STATIC_LIBRARY_SUFFIX} 675 ) 676 endif() 677endfunction() 678 679function(add_llvm_install_targets target) 680 cmake_parse_arguments(ARG "" "COMPONENT;PREFIX;SYMLINK" "DEPENDS" ${ARGN}) 681 if(ARG_COMPONENT) 682 set(component_option -DCMAKE_INSTALL_COMPONENT="${ARG_COMPONENT}") 683 endif() 684 if(ARG_PREFIX) 685 set(prefix_option -DCMAKE_INSTALL_PREFIX="${ARG_PREFIX}") 686 endif() 687 688 set(file_dependencies) 689 set(target_dependencies) 690 foreach(dependency ${ARG_DEPENDS}) 691 if(TARGET ${dependency}) 692 list(APPEND target_dependencies ${dependency}) 693 else() 694 list(APPEND file_dependencies ${dependency}) 695 endif() 696 endforeach() 697 698 add_custom_target(${target} 699 DEPENDS ${file_dependencies} 700 COMMAND "${CMAKE_COMMAND}" 701 ${component_option} 702 ${prefix_option} 703 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake" 704 USES_TERMINAL) 705 add_custom_target(${target}-stripped 706 DEPENDS ${file_dependencies} 707 COMMAND "${CMAKE_COMMAND}" 708 ${component_option} 709 ${prefix_option} 710 -DCMAKE_INSTALL_DO_STRIP=1 711 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake" 712 USES_TERMINAL) 713 if(target_dependencies) 714 add_dependencies(${target} ${target_dependencies}) 715 add_dependencies(${target}-stripped ${target_dependencies}) 716 endif() 717 718 if(ARG_SYMLINK) 719 add_dependencies(${target} install-${ARG_SYMLINK}) 720 add_dependencies(${target}-stripped install-${ARG_SYMLINK}-stripped) 721 endif() 722endfunction() 723 724function(add_llvm_component_library name) 725 add_llvm_library(${name} COMPONENT_LIB ${ARGN}) 726endfunction() 727 728macro(add_llvm_library name) 729 cmake_parse_arguments(ARG 730 "SHARED;BUILDTREE_ONLY;MODULE;INSTALL_WITH_TOOLCHAIN" 731 "" 732 "" 733 ${ARGN}) 734 if(ARG_MODULE) 735 llvm_add_library(${name} MODULE ${ARG_UNPARSED_ARGUMENTS}) 736 elseif( BUILD_SHARED_LIBS OR ARG_SHARED ) 737 llvm_add_library(${name} SHARED ${ARG_UNPARSED_ARGUMENTS}) 738 else() 739 llvm_add_library(${name} ${ARG_UNPARSED_ARGUMENTS}) 740 endif() 741 742 # Libraries that are meant to only be exposed via the build tree only are 743 # never installed and are only exported as a target in the special build tree 744 # config file. 745 if (NOT ARG_BUILDTREE_ONLY AND NOT ARG_MODULE) 746 set_property( GLOBAL APPEND PROPERTY LLVM_LIBS ${name} ) 747 set(in_llvm_libs YES) 748 endif() 749 750 if (ARG_MODULE AND NOT TARGET ${name}) 751 # Add empty "phony" target 752 add_custom_target(${name}) 753 elseif( EXCLUDE_FROM_ALL ) 754 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON) 755 elseif(ARG_BUILDTREE_ONLY) 756 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS_BUILDTREE_ONLY ${name}) 757 else() 758 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ARG_INSTALL_WITH_TOOLCHAIN) 759 760 set(export_to_llvmexports) 761 if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR 762 (in_llvm_libs AND "llvm-libraries" IN_LIST LLVM_DISTRIBUTION_COMPONENTS) OR 763 NOT LLVM_DISTRIBUTION_COMPONENTS) 764 set(export_to_llvmexports EXPORT LLVMExports) 765 set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True) 766 endif() 767 768 install(TARGETS ${name} 769 ${export_to_llvmexports} 770 LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX} COMPONENT ${name} 771 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX} COMPONENT ${name} 772 RUNTIME DESTINATION bin COMPONENT ${name}) 773 774 if (NOT LLVM_ENABLE_IDE) 775 add_llvm_install_targets(install-${name} 776 DEPENDS ${name} 777 COMPONENT ${name}) 778 endif() 779 endif() 780 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 781 endif() 782 if (ARG_MODULE) 783 set_target_properties(${name} PROPERTIES FOLDER "Loadable modules") 784 else() 785 set_target_properties(${name} PROPERTIES FOLDER "Libraries") 786 endif() 787endmacro(add_llvm_library name) 788 789macro(add_llvm_executable name) 790 cmake_parse_arguments(ARG 791 "DISABLE_LLVM_LINK_LLVM_DYLIB;IGNORE_EXTERNALIZE_DEBUGINFO;NO_INSTALL_RPATH;SUPPORT_PLUGINS" 792 "ENTITLEMENTS;BUNDLE_PATH" 793 "DEPENDS" 794 ${ARGN}) 795 796 llvm_process_sources( ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ) 797 798 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS}) 799 800 # Generate objlib 801 if(LLVM_ENABLE_OBJLIB) 802 # Generate an obj library for both targets. 803 set(obj_name "obj.${name}") 804 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL 805 ${ALL_FILES} 806 ) 807 llvm_update_compile_flags(${obj_name}) 808 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>") 809 810 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") 811 endif() 812 813 add_windows_version_resource_file(ALL_FILES ${ALL_FILES}) 814 815 if(XCODE) 816 # Note: the dummy.cpp source file provides no definitions. However, 817 # it forces Xcode to properly link the static library. 818 list(APPEND ALL_FILES "${LLVM_MAIN_SRC_DIR}/cmake/dummy.cpp") 819 endif() 820 821 if( EXCLUDE_FROM_ALL ) 822 add_executable(${name} EXCLUDE_FROM_ALL ${ALL_FILES}) 823 else() 824 add_executable(${name} ${ALL_FILES}) 825 endif() 826 827 setup_dependency_debugging(${name} ${LLVM_COMMON_DEPENDS}) 828 829 if(NOT ARG_NO_INSTALL_RPATH) 830 llvm_setup_rpath(${name}) 831 elseif (LLVM_LOCAL_RPATH) 832 set_target_properties(${name} PROPERTIES 833 BUILD_WITH_INSTALL_RPATH On 834 INSTALL_RPATH "${LLVM_LOCAL_RPATH}") 835 endif() 836 837 if(DEFINED windows_resource_file) 838 set_windows_version_resource_properties(${name} ${windows_resource_file}) 839 endif() 840 841 # $<TARGET_OBJECTS> doesn't require compile flags. 842 if(NOT LLVM_ENABLE_OBJLIB) 843 llvm_update_compile_flags(${name}) 844 endif() 845 846 if (ARG_SUPPORT_PLUGINS AND NOT ${CMAKE_SYSTEM_NAME} MATCHES "AIX") 847 set(LLVM_NO_DEAD_STRIP On) 848 endif() 849 850 add_link_opts( ${name} ) 851 852 # Do not add -Dname_EXPORTS to the command-line when building files in this 853 # target. Doing so is actively harmful for the modules build because it 854 # creates extra module variants, and not useful because we don't use these 855 # macros. 856 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) 857 858 if (LLVM_EXPORTED_SYMBOL_FILE) 859 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 860 endif(LLVM_EXPORTED_SYMBOL_FILE) 861 862 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB) 863 set(USE_SHARED USE_SHARED) 864 endif() 865 866 set(EXCLUDE_FROM_ALL OFF) 867 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) 868 llvm_config( ${name} ${USE_SHARED} ${LLVM_LINK_COMPONENTS} ) 869 if( LLVM_COMMON_DEPENDS ) 870 add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} ) 871 endif( LLVM_COMMON_DEPENDS ) 872 873 if(NOT ARG_IGNORE_EXTERNALIZE_DEBUGINFO) 874 llvm_externalize_debuginfo(${name}) 875 endif() 876 if (LLVM_PTHREAD_LIB) 877 # libpthreads overrides some standard library symbols, so main 878 # executable must be linked with it in order to provide consistent 879 # API for all shared libaries loaded by this executable. 880 target_link_libraries(${name} PRIVATE ${LLVM_PTHREAD_LIB}) 881 endif() 882 883 llvm_codesign(${name} ENTITLEMENTS ${ARG_ENTITLEMENTS} BUNDLE_PATH ${ARG_BUNDLE_PATH}) 884endmacro(add_llvm_executable name) 885 886# add_llvm_pass_plugin(name [NO_MODULE] ...) 887# Add ${name} as an llvm plugin. 888# If option LLVM_${name_upper}_LINK_INTO_TOOLS is set to ON, the plugin is registered statically. 889# Otherwise a pluggable shared library is registered. 890# 891# If NO_MODULE is specified, when option LLVM_${name_upper}_LINK_INTO_TOOLS is set to OFF, 892# only an object library is built, and no module is built. This is specific to the Polly use case. 893# 894# The SUBPROJECT argument contains the LLVM project the plugin belongs 895# to. If set, the plugin will link statically by default it if the 896# project was enabled. 897function(add_llvm_pass_plugin name) 898 cmake_parse_arguments(ARG 899 "NO_MODULE" "SUBPROJECT" "" 900 ${ARGN}) 901 902 string(TOUPPER ${name} name_upper) 903 904 # Enable the plugin by default if it was explicitly enabled by the user. 905 # Note: If was set to "all", LLVM's CMakeLists.txt replaces it with a 906 # list of all projects, counting as explicitly enabled. 907 set(link_into_tools_default OFF) 908 if (ARG_SUBPROJECT AND LLVM_TOOL_${name_upper}_BUILD) 909 set(link_into_tools_default ON) 910 endif() 911 option(LLVM_${name_upper}_LINK_INTO_TOOLS "Statically link ${name} into tools (if available)" ${link_into_tools_default}) 912 913 # If we statically link the plugin, don't use llvm dylib because we're going 914 # to be part of it. 915 if(LLVM_${name_upper}_LINK_INTO_TOOLS) 916 list(APPEND ARG_UNPARSED_ARGUMENTS DISABLE_LLVM_LINK_LLVM_DYLIB) 917 endif() 918 919 if(LLVM_${name_upper}_LINK_INTO_TOOLS) 920 list(REMOVE_ITEM ARG_UNPARSED_ARGUMENTS BUILDTREE_ONLY) 921 # process_llvm_pass_plugins takes care of the actual linking, just create an 922 # object library as of now 923 add_llvm_library(${name} OBJECT ${ARG_UNPARSED_ARGUMENTS}) 924 target_compile_definitions(${name} PRIVATE LLVM_${name_upper}_LINK_INTO_TOOLS) 925 set_property(TARGET ${name} APPEND PROPERTY COMPILE_DEFINITIONS LLVM_LINK_INTO_TOOLS) 926 if (TARGET intrinsics_gen) 927 add_dependencies(obj.${name} intrinsics_gen) 928 endif() 929 if (TARGET omp_gen) 930 add_dependencies(obj.${name} omp_gen) 931 endif() 932 if (TARGET acc_gen) 933 add_dependencies(obj.${name} acc_gen) 934 endif() 935 set_property(GLOBAL APPEND PROPERTY LLVM_STATIC_EXTENSIONS ${name}) 936 elseif(NOT ARG_NO_MODULE) 937 add_llvm_library(${name} MODULE ${ARG_UNPARSED_ARGUMENTS}) 938 else() 939 add_llvm_library(${name} OBJECT ${ARG_UNPARSED_ARGUMENTS}) 940 endif() 941 message(STATUS "Registering ${name} as a pass plugin (static build: ${LLVM_${name_upper}_LINK_INTO_TOOLS})") 942 943endfunction(add_llvm_pass_plugin) 944 945# process_llvm_pass_plugins([GEN_CONFIG]) 946# 947# Correctly set lib dependencies between plugins and tools, based on tools 948# registered with the ENABLE_PLUGINS option. 949# 950# if GEN_CONFIG option is set, also generate X Macro file for extension 951# handling. It provides a HANDLE_EXTENSION(extension_namespace, ExtensionProject) 952# call for each extension allowing client code to define 953# HANDLE_EXTENSION to have a specific code be run for each extension. 954# 955function(process_llvm_pass_plugins) 956 cmake_parse_arguments(ARG 957 "GEN_CONFIG" "" "" 958 ${ARGN}) 959 960 if(ARG_GEN_CONFIG) 961 get_property(LLVM_STATIC_EXTENSIONS GLOBAL PROPERTY LLVM_STATIC_EXTENSIONS) 962 else() 963 include(LLVMConfigExtensions) 964 endif() 965 966 # Add static plugins to the Extension component 967 foreach(llvm_extension ${LLVM_STATIC_EXTENSIONS}) 968 set_property(TARGET LLVMExtensions APPEND PROPERTY LINK_LIBRARIES ${llvm_extension}) 969 set_property(TARGET LLVMExtensions APPEND PROPERTY INTERFACE_LINK_LIBRARIES ${llvm_extension}) 970 endforeach() 971 972 # Eventually generate the extension headers, and store config to a cmake file 973 # for usage in third-party configuration. 974 if(ARG_GEN_CONFIG) 975 976 ## Part 1: Extension header to be included whenever we need extension 977 # processing. 978 set(LLVM_INSTALL_PACKAGE_DIR lib${LLVM_LIBDIR_SUFFIX}/cmake/llvm) 979 set(llvm_cmake_builddir "${LLVM_BINARY_DIR}/${LLVM_INSTALL_PACKAGE_DIR}") 980 file(WRITE 981 "${llvm_cmake_builddir}/LLVMConfigExtensions.cmake" 982 "set(LLVM_STATIC_EXTENSIONS ${LLVM_STATIC_EXTENSIONS})") 983 install(FILES 984 ${llvm_cmake_builddir}/LLVMConfigExtensions.cmake 985 DESTINATION ${LLVM_INSTALL_PACKAGE_DIR} 986 COMPONENT cmake-exports) 987 988 set(ExtensionDef "${LLVM_BINARY_DIR}/include/llvm/Support/Extension.def") 989 file(WRITE "${ExtensionDef}.tmp" "//extension handlers\n") 990 foreach(llvm_extension ${LLVM_STATIC_EXTENSIONS}) 991 file(APPEND "${ExtensionDef}.tmp" "HANDLE_EXTENSION(${llvm_extension})\n") 992 endforeach() 993 file(APPEND "${ExtensionDef}.tmp" "#undef HANDLE_EXTENSION\n") 994 995 # only replace if there's an actual change 996 execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different 997 "${ExtensionDef}.tmp" 998 "${ExtensionDef}") 999 file(REMOVE "${ExtensionDef}.tmp") 1000 1001 ## Part 2: Extension header that captures each extension dependency, to be 1002 # used by llvm-config. 1003 set(ExtensionDeps "${LLVM_BINARY_DIR}/tools/llvm-config/ExtensionDependencies.inc") 1004 1005 # Max needed to correctly size the required library array. 1006 set(llvm_plugin_max_deps_length 0) 1007 foreach(llvm_extension ${LLVM_STATIC_EXTENSIONS}) 1008 get_property(llvm_plugin_deps TARGET ${llvm_extension} PROPERTY LINK_LIBRARIES) 1009 list(LENGTH llvm_plugin_deps llvm_plugin_deps_length) 1010 if(llvm_plugin_deps_length GREATER llvm_plugin_max_deps_length) 1011 set(llvm_plugin_max_deps_length ${llvm_plugin_deps_length}) 1012 endif() 1013 endforeach() 1014 1015 list(LENGTH LLVM_STATIC_EXTENSIONS llvm_static_extension_count) 1016 file(WRITE 1017 "${ExtensionDeps}.tmp" 1018 "#include <array>\n\ 1019 struct ExtensionDescriptor {\n\ 1020 const char* Name;\n\ 1021 const char* RequiredLibraries[1 + 1 + ${llvm_plugin_max_deps_length}];\n\ 1022 };\n\ 1023 std::array<ExtensionDescriptor, ${llvm_static_extension_count}> AvailableExtensions{\n") 1024 1025 foreach(llvm_extension ${LLVM_STATIC_EXTENSIONS}) 1026 get_property(llvm_plugin_deps TARGET ${llvm_extension} PROPERTY LINK_LIBRARIES) 1027 1028 file(APPEND "${ExtensionDeps}.tmp" "{{\"${llvm_extension}\", {") 1029 foreach(llvm_plugin_dep ${llvm_plugin_deps}) 1030 # Turn library dependency back to component name, if possible. 1031 # That way llvm-config can avoid redundant dependencies. 1032 STRING(REGEX REPLACE "^-l" "" plugin_dep_name ${llvm_plugin_dep}) 1033 STRING(REGEX MATCH "^LLVM" is_llvm_library ${plugin_dep_name}) 1034 if(is_llvm_library) 1035 STRING(REGEX REPLACE "^LLVM" "" plugin_dep_name ${plugin_dep_name}) 1036 STRING(TOLOWER ${plugin_dep_name} plugin_dep_name) 1037 endif() 1038 file(APPEND "${ExtensionDeps}.tmp" "\"${plugin_dep_name}\", ") 1039 endforeach() 1040 1041 # Self + mandatory trailing null, because the number of RequiredLibraries differs between extensions. 1042 file(APPEND "${ExtensionDeps}.tmp" \"${llvm_extension}\", "nullptr}}},\n") 1043 endforeach() 1044 file(APPEND "${ExtensionDeps}.tmp" "};\n") 1045 1046 # only replace if there's an actual change 1047 execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different 1048 "${ExtensionDeps}.tmp" 1049 "${ExtensionDeps}") 1050 file(REMOVE "${ExtensionDeps}.tmp") 1051 endif() 1052endfunction() 1053 1054function(export_executable_symbols target) 1055 if (LLVM_EXPORTED_SYMBOL_FILE) 1056 # The symbol file should contain the symbols we want the executable to 1057 # export 1058 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 1059 elseif (LLVM_EXPORT_SYMBOLS_FOR_PLUGINS) 1060 # Extract the symbols to export from the static libraries that the 1061 # executable links against. 1062 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 1063 set(exported_symbol_file ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${target}.symbols) 1064 # We need to consider not just the direct link dependencies, but also the 1065 # transitive link dependencies. Do this by starting with the set of direct 1066 # dependencies, then the dependencies of those dependencies, and so on. 1067 get_target_property(new_libs ${target} LINK_LIBRARIES) 1068 set(link_libs ${new_libs}) 1069 while(NOT "${new_libs}" STREQUAL "") 1070 foreach(lib ${new_libs}) 1071 if(TARGET ${lib}) 1072 get_target_property(lib_type ${lib} TYPE) 1073 if("${lib_type}" STREQUAL "STATIC_LIBRARY") 1074 list(APPEND static_libs ${lib}) 1075 else() 1076 list(APPEND other_libs ${lib}) 1077 endif() 1078 get_target_property(transitive_libs ${lib} INTERFACE_LINK_LIBRARIES) 1079 foreach(transitive_lib ${transitive_libs}) 1080 list(FIND link_libs ${transitive_lib} idx) 1081 if(TARGET ${transitive_lib} AND idx EQUAL -1) 1082 list(APPEND newer_libs ${transitive_lib}) 1083 list(APPEND link_libs ${transitive_lib}) 1084 endif() 1085 endforeach(transitive_lib) 1086 endif() 1087 endforeach(lib) 1088 set(new_libs ${newer_libs}) 1089 set(newer_libs "") 1090 endwhile() 1091 list(REMOVE_DUPLICATES static_libs) 1092 if (MSVC) 1093 set(mangling microsoft) 1094 else() 1095 set(mangling itanium) 1096 endif() 1097 add_custom_command(OUTPUT ${exported_symbol_file} 1098 COMMAND "${Python3_EXECUTABLE}" ${LLVM_MAIN_SRC_DIR}/utils/extract_symbols.py --mangling=${mangling} ${static_libs} -o ${exported_symbol_file} 1099 WORKING_DIRECTORY ${LLVM_LIBRARY_OUTPUT_INTDIR} 1100 DEPENDS ${LLVM_MAIN_SRC_DIR}/utils/extract_symbols.py ${static_libs} 1101 VERBATIM 1102 COMMENT "Generating export list for ${target}") 1103 add_llvm_symbol_exports( ${target} ${exported_symbol_file} ) 1104 # If something links against this executable then we want a 1105 # transitive link against only the libraries whose symbols 1106 # we aren't exporting. 1107 set_target_properties(${target} PROPERTIES INTERFACE_LINK_LIBRARIES "${other_libs}") 1108 # The default import library suffix that cmake uses for cygwin/mingw is 1109 # ".dll.a", but for clang.exe that causes a collision with libclang.dll, 1110 # where the import libraries of both get named libclang.dll.a. Use a suffix 1111 # of ".exe.a" to avoid this. 1112 if(CYGWIN OR MINGW) 1113 set_target_properties(${target} PROPERTIES IMPORT_SUFFIX ".exe.a") 1114 endif() 1115 elseif(NOT (WIN32 OR CYGWIN)) 1116 # On Windows auto-exporting everything doesn't work because of the limit on 1117 # the size of the exported symbol table, but on other platforms we can do 1118 # it without any trouble. 1119 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 1120 if (APPLE) 1121 set_property(TARGET ${target} APPEND_STRING PROPERTY 1122 LINK_FLAGS " -rdynamic") 1123 endif() 1124 endif() 1125endfunction() 1126 1127# Export symbols if LLVM plugins are enabled. 1128function(export_executable_symbols_for_plugins target) 1129 if(LLVM_ENABLE_PLUGINS OR LLVM_EXPORT_SYMBOLS_FOR_PLUGINS) 1130 export_executable_symbols(${target}) 1131 endif() 1132endfunction() 1133 1134if(NOT LLVM_TOOLCHAIN_TOOLS) 1135 set (LLVM_TOOLCHAIN_TOOLS 1136 llvm-ar 1137 llvm-cov 1138 llvm-cxxfilt 1139 llvm-ranlib 1140 llvm-lib 1141 llvm-nm 1142 llvm-objcopy 1143 llvm-objdump 1144 llvm-rc 1145 llvm-size 1146 llvm-strings 1147 llvm-strip 1148 llvm-profdata 1149 llvm-symbolizer 1150 # symlink version of some of above tools that are enabled by 1151 # LLVM_INSTALL_BINUTILS_SYMLINKS. 1152 addr2line 1153 ar 1154 c++filt 1155 ranlib 1156 nm 1157 objcopy 1158 objdump 1159 size 1160 strings 1161 strip 1162 ) 1163endif() 1164 1165macro(add_llvm_tool name) 1166 if( NOT LLVM_BUILD_TOOLS ) 1167 set(EXCLUDE_FROM_ALL ON) 1168 endif() 1169 add_llvm_executable(${name} ${ARGN}) 1170 1171 if ( ${name} IN_LIST LLVM_TOOLCHAIN_TOOLS OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 1172 if( LLVM_BUILD_TOOLS ) 1173 set(export_to_llvmexports) 1174 if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR 1175 NOT LLVM_DISTRIBUTION_COMPONENTS) 1176 set(export_to_llvmexports EXPORT LLVMExports) 1177 set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True) 1178 endif() 1179 1180 install(TARGETS ${name} 1181 ${export_to_llvmexports} 1182 RUNTIME DESTINATION ${LLVM_TOOLS_INSTALL_DIR} 1183 COMPONENT ${name}) 1184 1185 if (NOT LLVM_ENABLE_IDE) 1186 add_llvm_install_targets(install-${name} 1187 DEPENDS ${name} 1188 COMPONENT ${name}) 1189 endif() 1190 endif() 1191 endif() 1192 if( LLVM_BUILD_TOOLS ) 1193 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 1194 endif() 1195 set_target_properties(${name} PROPERTIES FOLDER "Tools") 1196endmacro(add_llvm_tool name) 1197 1198 1199macro(add_llvm_example name) 1200 if( NOT LLVM_BUILD_EXAMPLES ) 1201 set(EXCLUDE_FROM_ALL ON) 1202 endif() 1203 add_llvm_executable(${name} ${ARGN}) 1204 if( LLVM_BUILD_EXAMPLES ) 1205 install(TARGETS ${name} RUNTIME DESTINATION examples) 1206 endif() 1207 set_target_properties(${name} PROPERTIES FOLDER "Examples") 1208endmacro(add_llvm_example name) 1209 1210macro(add_llvm_example_library name) 1211 if( NOT LLVM_BUILD_EXAMPLES ) 1212 set(EXCLUDE_FROM_ALL ON) 1213 add_llvm_library(${name} BUILDTREE_ONLY ${ARGN}) 1214 else() 1215 add_llvm_library(${name} ${ARGN}) 1216 endif() 1217 1218 set_target_properties(${name} PROPERTIES FOLDER "Examples") 1219endmacro(add_llvm_example_library name) 1220 1221# This is a macro that is used to create targets for executables that are needed 1222# for development, but that are not intended to be installed by default. 1223macro(add_llvm_utility name) 1224 if ( NOT LLVM_BUILD_UTILS ) 1225 set(EXCLUDE_FROM_ALL ON) 1226 endif() 1227 1228 add_llvm_executable(${name} DISABLE_LLVM_LINK_LLVM_DYLIB ${ARGN}) 1229 set_target_properties(${name} PROPERTIES FOLDER "Utils") 1230 if ( ${name} IN_LIST LLVM_TOOLCHAIN_UTILITIES OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 1231 if (LLVM_INSTALL_UTILS AND LLVM_BUILD_UTILS) 1232 set(export_to_llvmexports) 1233 if (${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR 1234 NOT LLVM_DISTRIBUTION_COMPONENTS) 1235 set(export_to_llvmexports EXPORT LLVMExports) 1236 set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True) 1237 endif() 1238 1239 install(TARGETS ${name} 1240 ${export_to_llvmexports} 1241 RUNTIME DESTINATION ${LLVM_UTILS_INSTALL_DIR} 1242 COMPONENT ${name}) 1243 1244 if (NOT LLVM_ENABLE_IDE) 1245 add_llvm_install_targets(install-${name} 1246 DEPENDS ${name} 1247 COMPONENT ${name}) 1248 endif() 1249 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 1250 elseif(LLVM_BUILD_UTILS) 1251 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS_BUILDTREE_ONLY ${name}) 1252 endif() 1253 endif() 1254endmacro(add_llvm_utility name) 1255 1256macro(add_llvm_fuzzer name) 1257 cmake_parse_arguments(ARG "" "DUMMY_MAIN" "" ${ARGN}) 1258 if( LLVM_LIB_FUZZING_ENGINE ) 1259 set(LLVM_OPTIONAL_SOURCES ${ARG_DUMMY_MAIN}) 1260 add_llvm_executable(${name} ${ARG_UNPARSED_ARGUMENTS}) 1261 target_link_libraries(${name} PRIVATE ${LLVM_LIB_FUZZING_ENGINE}) 1262 set_target_properties(${name} PROPERTIES FOLDER "Fuzzers") 1263 elseif( LLVM_USE_SANITIZE_COVERAGE ) 1264 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=fuzzer") 1265 set(LLVM_OPTIONAL_SOURCES ${ARG_DUMMY_MAIN}) 1266 add_llvm_executable(${name} ${ARG_UNPARSED_ARGUMENTS}) 1267 set_target_properties(${name} PROPERTIES FOLDER "Fuzzers") 1268 elseif( ARG_DUMMY_MAIN ) 1269 add_llvm_executable(${name} ${ARG_DUMMY_MAIN} ${ARG_UNPARSED_ARGUMENTS}) 1270 set_target_properties(${name} PROPERTIES FOLDER "Fuzzers") 1271 endif() 1272endmacro() 1273 1274macro(add_llvm_target target_name) 1275 include_directories(BEFORE 1276 ${CMAKE_CURRENT_BINARY_DIR} 1277 ${CMAKE_CURRENT_SOURCE_DIR}) 1278 add_llvm_component_library(LLVM${target_name} ${ARGN}) 1279 set( CURRENT_LLVM_TARGET LLVM${target_name} ) 1280endmacro(add_llvm_target) 1281 1282function(canonicalize_tool_name name output) 1283 string(REPLACE "${CMAKE_CURRENT_SOURCE_DIR}/" "" nameStrip ${name}) 1284 string(REPLACE "-" "_" nameUNDERSCORE ${nameStrip}) 1285 string(TOUPPER ${nameUNDERSCORE} nameUPPER) 1286 set(${output} "${nameUPPER}" PARENT_SCOPE) 1287endfunction(canonicalize_tool_name) 1288 1289# Custom add_subdirectory wrapper 1290# Takes in a project name (i.e. LLVM), the subdirectory name, and an optional 1291# path if it differs from the name. 1292function(add_llvm_subdirectory project type name) 1293 set(add_llvm_external_dir "${ARGN}") 1294 if("${add_llvm_external_dir}" STREQUAL "") 1295 set(add_llvm_external_dir ${name}) 1296 endif() 1297 canonicalize_tool_name(${name} nameUPPER) 1298 set(canonical_full_name ${project}_${type}_${nameUPPER}) 1299 get_property(already_processed GLOBAL PROPERTY ${canonical_full_name}_PROCESSED) 1300 if(already_processed) 1301 return() 1302 endif() 1303 set_property(GLOBAL PROPERTY ${canonical_full_name}_PROCESSED YES) 1304 1305 if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}/CMakeLists.txt) 1306 # Treat it as in-tree subproject. 1307 option(${canonical_full_name}_BUILD 1308 "Whether to build ${name} as part of ${project}" On) 1309 mark_as_advanced(${project}_${type}_${name}_BUILD) 1310 if(${canonical_full_name}_BUILD) 1311 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir} ${add_llvm_external_dir}) 1312 endif() 1313 else() 1314 set(LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR 1315 "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" 1316 CACHE PATH "Path to ${name} source directory") 1317 set(${canonical_full_name}_BUILD_DEFAULT ON) 1318 if(NOT LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR OR NOT EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}) 1319 set(${canonical_full_name}_BUILD_DEFAULT OFF) 1320 endif() 1321 if("${LLVM_EXTERNAL_${nameUPPER}_BUILD}" STREQUAL "OFF") 1322 set(${canonical_full_name}_BUILD_DEFAULT OFF) 1323 endif() 1324 option(${canonical_full_name}_BUILD 1325 "Whether to build ${name} as part of LLVM" 1326 ${${canonical_full_name}_BUILD_DEFAULT}) 1327 if (${canonical_full_name}_BUILD) 1328 if(EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}) 1329 add_subdirectory(${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} ${add_llvm_external_dir}) 1330 elseif(NOT "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" STREQUAL "") 1331 message(WARNING "Nonexistent directory for ${name}: ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}") 1332 endif() 1333 endif() 1334 endif() 1335endfunction() 1336 1337# Add external project that may want to be built as part of llvm such as Clang, 1338# lld, and Polly. This adds two options. One for the source directory of the 1339# project, which defaults to ${CMAKE_CURRENT_SOURCE_DIR}/${name}. Another to 1340# enable or disable building it with everything else. 1341# Additional parameter can be specified as the name of directory. 1342macro(add_llvm_external_project name) 1343 add_llvm_subdirectory(LLVM TOOL ${name} ${ARGN}) 1344endmacro() 1345 1346macro(add_llvm_tool_subdirectory name) 1347 add_llvm_external_project(${name}) 1348endmacro(add_llvm_tool_subdirectory) 1349 1350function(get_project_name_from_src_var var output) 1351 string(REGEX MATCH "LLVM_EXTERNAL_(.*)_SOURCE_DIR" 1352 MACHED_TOOL "${var}") 1353 if(MACHED_TOOL) 1354 set(${output} ${CMAKE_MATCH_1} PARENT_SCOPE) 1355 else() 1356 set(${output} PARENT_SCOPE) 1357 endif() 1358endfunction() 1359 1360function(create_subdirectory_options project type) 1361 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") 1362 foreach(dir ${sub-dirs}) 1363 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt") 1364 canonicalize_tool_name(${dir} name) 1365 option(${project}_${type}_${name}_BUILD 1366 "Whether to build ${name} as part of ${project}" On) 1367 mark_as_advanced(${project}_${type}_${name}_BUILD) 1368 endif() 1369 endforeach() 1370endfunction(create_subdirectory_options) 1371 1372function(create_llvm_tool_options) 1373 create_subdirectory_options(LLVM TOOL) 1374endfunction(create_llvm_tool_options) 1375 1376function(llvm_add_implicit_projects project) 1377 set(list_of_implicit_subdirs "") 1378 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") 1379 foreach(dir ${sub-dirs}) 1380 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt") 1381 canonicalize_tool_name(${dir} name) 1382 if (${project}_TOOL_${name}_BUILD) 1383 get_filename_component(fn "${dir}" NAME) 1384 list(APPEND list_of_implicit_subdirs "${fn}") 1385 endif() 1386 endif() 1387 endforeach() 1388 1389 foreach(external_proj ${list_of_implicit_subdirs}) 1390 add_llvm_subdirectory(${project} TOOL "${external_proj}" ${ARGN}) 1391 endforeach() 1392endfunction(llvm_add_implicit_projects) 1393 1394function(add_llvm_implicit_projects) 1395 llvm_add_implicit_projects(LLVM) 1396endfunction(add_llvm_implicit_projects) 1397 1398# Generic support for adding a unittest. 1399function(add_unittest test_suite test_name) 1400 if( NOT LLVM_BUILD_TESTS ) 1401 set(EXCLUDE_FROM_ALL ON) 1402 endif() 1403 1404 if (SUPPORTS_VARIADIC_MACROS_FLAG) 1405 list(APPEND LLVM_COMPILE_FLAGS "-Wno-variadic-macros") 1406 endif () 1407 # Some parts of gtest rely on this GNU extension, don't warn on it. 1408 if(SUPPORTS_GNU_ZERO_VARIADIC_MACRO_ARGUMENTS_FLAG) 1409 list(APPEND LLVM_COMPILE_FLAGS "-Wno-gnu-zero-variadic-macro-arguments") 1410 endif() 1411 1412 set(LLVM_REQUIRES_RTTI OFF) 1413 1414 list(APPEND LLVM_LINK_COMPONENTS Support) # gtest needs it for raw_ostream 1415 add_llvm_executable(${test_name} IGNORE_EXTERNALIZE_DEBUGINFO NO_INSTALL_RPATH ${ARGN}) 1416 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}) 1417 set_output_directory(${test_name} BINARY_DIR ${outdir} LIBRARY_DIR ${outdir}) 1418 # libpthreads overrides some standard library symbols, so main 1419 # executable must be linked with it in order to provide consistent 1420 # API for all shared libaries loaded by this executable. 1421 target_link_libraries(${test_name} PRIVATE gtest_main gtest ${LLVM_PTHREAD_LIB}) 1422 1423 add_dependencies(${test_suite} ${test_name}) 1424 get_target_property(test_suite_folder ${test_suite} FOLDER) 1425 if (test_suite_folder) 1426 set_property(TARGET ${test_name} PROPERTY FOLDER "${test_suite_folder}") 1427 endif () 1428endfunction() 1429 1430# Use for test binaries that call llvm::getInputFileDirectory(). Use of this 1431# is discouraged. 1432function(add_unittest_with_input_files test_suite test_name) 1433 set(LLVM_UNITTEST_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}) 1434 configure_file( 1435 ${LLVM_MAIN_SRC_DIR}/unittests/unittest.cfg.in 1436 ${CMAKE_CURRENT_BINARY_DIR}/llvm.srcdir.txt) 1437 1438 add_unittest(${test_suite} ${test_name} ${ARGN}) 1439endfunction() 1440 1441# Generic support for adding a benchmark. 1442function(add_benchmark benchmark_name) 1443 if( NOT LLVM_BUILD_BENCHMARKS ) 1444 set(EXCLUDE_FROM_ALL ON) 1445 endif() 1446 1447 add_llvm_executable(${benchmark_name} IGNORE_EXTERNALIZE_DEBUGINFO NO_INSTALL_RPATH ${ARGN}) 1448 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}) 1449 set_output_directory(${benchmark_name} BINARY_DIR ${outdir} LIBRARY_DIR ${outdir}) 1450 set_property(TARGET ${benchmark_name} PROPERTY FOLDER "Utils") 1451 target_link_libraries(${benchmark_name} PRIVATE benchmark) 1452endfunction() 1453 1454# This function canonicalize the CMake variables passed by names 1455# from CMake boolean to 0/1 suitable for passing into Python or C++, 1456# in place. 1457function(llvm_canonicalize_cmake_booleans) 1458 foreach(var ${ARGN}) 1459 if(${var}) 1460 set(${var} 1 PARENT_SCOPE) 1461 else() 1462 set(${var} 0 PARENT_SCOPE) 1463 endif() 1464 endforeach() 1465endfunction(llvm_canonicalize_cmake_booleans) 1466 1467macro(set_llvm_build_mode) 1468 # Configuration-time: See Unit/lit.site.cfg.in 1469 if (CMAKE_CFG_INTDIR STREQUAL ".") 1470 set(LLVM_BUILD_MODE ".") 1471 else () 1472 set(LLVM_BUILD_MODE "%(build_mode)s") 1473 endif () 1474endmacro() 1475 1476# Takes a list of path names in pathlist and a base directory, and returns 1477# a list of paths relative to the base directory in out_pathlist. 1478# Paths that are on a different drive than the basedir (on Windows) or that 1479# contain symlinks are returned absolute. 1480# Use with LLVM_LIT_PATH_FUNCTION below. 1481function(make_paths_relative out_pathlist basedir pathlist) 1482 # Passing ARG_PATH_VALUES as-is to execute_process() makes cmake strip 1483 # empty list entries. So escape the ;s in the list and do the splitting 1484 # ourselves. cmake has no relpath function, so use Python for that. 1485 string(REPLACE ";" "\\;" pathlist_escaped "${pathlist}") 1486 execute_process(COMMAND "${Python3_EXECUTABLE}" "-c" "\n 1487import os, sys\n 1488base = sys.argv[1] 1489def haslink(p):\n 1490 if not p or p == os.path.dirname(p): return False\n 1491 return os.path.islink(p) or haslink(os.path.dirname(p))\n 1492def relpath(p):\n 1493 if not p: return ''\n 1494 if os.path.splitdrive(p)[0] != os.path.splitdrive(base)[0]: return p\n 1495 if haslink(p) or haslink(base): return p\n 1496 return os.path.relpath(p, base)\n 1497if len(sys.argv) < 3: sys.exit(0)\n 1498sys.stdout.write(';'.join(relpath(p) for p in sys.argv[2].split(';')))" 1499 ${basedir} 1500 ${pathlist_escaped} 1501 OUTPUT_VARIABLE pathlist_relative) 1502 set(${out_pathlist} "${pathlist_relative}" PARENT_SCOPE) 1503endfunction() 1504 1505# Converts a file that's relative to the current python file to an absolute 1506# path. Since this uses __file__, it has to be emitted into python files that 1507# use it and can't be in a lit module. Use with make_paths_relative(). 1508string(CONCAT LLVM_LIT_PATH_FUNCTION 1509 "# Allow generated file to be relocatable.\n" 1510 "def path(p):\n" 1511 " if not p: return ''\n" 1512 " return os.path.join(os.path.dirname(os.path.abspath(__file__)), p)\n" 1513 ) 1514 1515# This function provides an automatic way to 'configure'-like generate a file 1516# based on a set of common and custom variables, specifically targeting the 1517# variables needed for the 'lit.site.cfg' files. This function bundles the 1518# common variables that any Lit instance is likely to need, and custom 1519# variables can be passed in. 1520# The keyword PATHS is followed by a list of cmake variable names that are 1521# mentioned as `path("@varname@")` in the lit.cfg.py.in file. Variables in that 1522# list are treated as paths that are relative to the directory the generated 1523# lit.cfg.py file is in, and the `path()` function converts the relative 1524# path back to absolute form. This makes it possible to move a build directory 1525# containing lit.cfg.py files from one machine to another. 1526function(configure_lit_site_cfg site_in site_out) 1527 cmake_parse_arguments(ARG "" "" "MAIN_CONFIG;OUTPUT_MAPPING;PATHS" ${ARGN}) 1528 1529 if ("${ARG_MAIN_CONFIG}" STREQUAL "") 1530 get_filename_component(INPUT_DIR ${site_in} DIRECTORY) 1531 set(ARG_MAIN_CONFIG "${INPUT_DIR}/lit.cfg") 1532 endif() 1533 if ("${ARG_OUTPUT_MAPPING}" STREQUAL "") 1534 set(ARG_OUTPUT_MAPPING "${site_out}") 1535 endif() 1536 1537 foreach(c ${LLVM_TARGETS_TO_BUILD}) 1538 set(TARGETS_BUILT "${TARGETS_BUILT} ${c}") 1539 endforeach(c) 1540 set(TARGETS_TO_BUILD ${TARGETS_BUILT}) 1541 1542 set(SHLIBEXT "${LTDL_SHLIB_EXT}") 1543 1544 set_llvm_build_mode() 1545 1546 # They below might not be the build tree but provided binary tree. 1547 set(LLVM_SOURCE_DIR ${LLVM_MAIN_SRC_DIR}) 1548 set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR}) 1549 string(REPLACE "${CMAKE_CFG_INTDIR}" "${LLVM_BUILD_MODE}" LLVM_TOOLS_DIR "${LLVM_TOOLS_BINARY_DIR}") 1550 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_LIBS_DIR "${LLVM_LIBRARY_DIR}") 1551 1552 # SHLIBDIR points the build tree. 1553 string(REPLACE "${CMAKE_CFG_INTDIR}" "${LLVM_BUILD_MODE}" SHLIBDIR "${LLVM_SHLIB_OUTPUT_INTDIR}") 1554 1555 # FIXME: "ENABLE_SHARED" doesn't make sense, since it is used just for 1556 # plugins. We may rename it. 1557 if(LLVM_ENABLE_PLUGINS) 1558 set(ENABLE_SHARED "1") 1559 else() 1560 set(ENABLE_SHARED "0") 1561 endif() 1562 1563 if(LLVM_ENABLE_ASSERTIONS AND NOT MSVC_IDE) 1564 set(ENABLE_ASSERTIONS "1") 1565 else() 1566 set(ENABLE_ASSERTIONS "0") 1567 endif() 1568 1569 set(HOST_OS ${CMAKE_SYSTEM_NAME}) 1570 set(HOST_ARCH ${CMAKE_SYSTEM_PROCESSOR}) 1571 1572 set(HOST_CC "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}") 1573 set(HOST_CXX "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}") 1574 set(HOST_LDFLAGS "${CMAKE_EXE_LINKER_FLAGS}") 1575 1576 string(CONCAT LIT_SITE_CFG_IN_HEADER 1577 "# Autogenerated from ${site_in}\n# Do not edit!\n\n" 1578 "${LLVM_LIT_PATH_FUNCTION}" 1579 ) 1580 1581 # Override config_target_triple (and the env) 1582 if(LLVM_TARGET_TRIPLE_ENV) 1583 # This is expanded into the heading. 1584 string(CONCAT LIT_SITE_CFG_IN_HEADER "${LIT_SITE_CFG_IN_HEADER}" 1585 "import os\n" 1586 "target_env = \"${LLVM_TARGET_TRIPLE_ENV}\"\n" 1587 "config.target_triple = config.environment[target_env] = os.environ.get(target_env, \"${TARGET_TRIPLE}\")\n" 1588 ) 1589 1590 # This is expanded to; config.target_triple = ""+config.target_triple+"" 1591 set(TARGET_TRIPLE "\"+config.target_triple+\"") 1592 endif() 1593 1594 if (ARG_PATHS) 1595 # Walk ARG_PATHS and collect the current value of the variables in there. 1596 # list(APPEND) ignores empty elements exactly if the list is empty, 1597 # so start the list with a dummy element and drop it, to make sure that 1598 # even empty values make it into the values list. 1599 set(ARG_PATH_VALUES "dummy") 1600 foreach(path ${ARG_PATHS}) 1601 list(APPEND ARG_PATH_VALUES "${${path}}") 1602 endforeach() 1603 list(REMOVE_AT ARG_PATH_VALUES 0) 1604 1605 get_filename_component(OUTPUT_DIR ${site_out} DIRECTORY) 1606 make_paths_relative( 1607 ARG_PATH_VALUES_RELATIVE "${OUTPUT_DIR}" "${ARG_PATH_VALUES}") 1608 1609 list(LENGTH ARG_PATHS len_paths) 1610 list(LENGTH ARG_PATH_VALUES len_path_values) 1611 list(LENGTH ARG_PATH_VALUES_RELATIVE len_path_value_rels) 1612 if ((NOT ${len_paths} EQUAL ${len_path_values}) OR 1613 (NOT ${len_paths} EQUAL ${len_path_value_rels})) 1614 message(SEND_ERROR "PATHS lengths got confused") 1615 endif() 1616 1617 # Transform variables mentioned in ARG_PATHS to relative paths for 1618 # the configure_file() call. Variables are copied to subscopeds by cmake, 1619 # so this only modifies the local copy of the variables. 1620 math(EXPR arg_path_limit "${len_paths} - 1") 1621 foreach(i RANGE ${arg_path_limit}) 1622 list(GET ARG_PATHS ${i} val1) 1623 list(GET ARG_PATH_VALUES_RELATIVE ${i} val2) 1624 set(${val1} ${val2}) 1625 endforeach() 1626 endif() 1627 1628 configure_file(${site_in} ${site_out} @ONLY) 1629 1630 if (EXISTS "${ARG_MAIN_CONFIG}") 1631 # Remember main config / generated site config for llvm-lit.in. 1632 get_property(LLVM_LIT_CONFIG_FILES GLOBAL PROPERTY LLVM_LIT_CONFIG_FILES) 1633 list(APPEND LLVM_LIT_CONFIG_FILES "${ARG_MAIN_CONFIG}" "${site_out}") 1634 set_property(GLOBAL PROPERTY LLVM_LIT_CONFIG_FILES ${LLVM_LIT_CONFIG_FILES}) 1635 endif() 1636endfunction() 1637 1638function(dump_all_cmake_variables) 1639 get_cmake_property(_variableNames VARIABLES) 1640 foreach (_variableName ${_variableNames}) 1641 message(STATUS "${_variableName}=${${_variableName}}") 1642 endforeach() 1643endfunction() 1644 1645function(get_llvm_lit_path base_dir file_name) 1646 cmake_parse_arguments(ARG "ALLOW_EXTERNAL" "" "" ${ARGN}) 1647 1648 if (ARG_ALLOW_EXTERNAL) 1649 set (LLVM_EXTERNAL_LIT "" CACHE STRING "Command used to spawn lit") 1650 if ("${LLVM_EXTERNAL_LIT}" STREQUAL "") 1651 set(LLVM_EXTERNAL_LIT "${LLVM_DEFAULT_EXTERNAL_LIT}") 1652 endif() 1653 1654 if (NOT "${LLVM_EXTERNAL_LIT}" STREQUAL "") 1655 if (EXISTS ${LLVM_EXTERNAL_LIT}) 1656 get_filename_component(LIT_FILE_NAME ${LLVM_EXTERNAL_LIT} NAME) 1657 get_filename_component(LIT_BASE_DIR ${LLVM_EXTERNAL_LIT} DIRECTORY) 1658 set(${file_name} ${LIT_FILE_NAME} PARENT_SCOPE) 1659 set(${base_dir} ${LIT_BASE_DIR} PARENT_SCOPE) 1660 return() 1661 elseif (NOT DEFINED CACHE{LLVM_EXTERNAL_LIT_MISSING_WARNED_ONCE}) 1662 message(WARNING "LLVM_EXTERNAL_LIT set to ${LLVM_EXTERNAL_LIT}, but the path does not exist.") 1663 set(LLVM_EXTERNAL_LIT_MISSING_WARNED_ONCE YES CACHE INTERNAL "") 1664 endif() 1665 endif() 1666 endif() 1667 1668 set(lit_file_name "llvm-lit") 1669 if (CMAKE_HOST_WIN32 AND NOT CYGWIN) 1670 # llvm-lit needs suffix.py for multiprocess to find a main module. 1671 set(lit_file_name "${lit_file_name}.py") 1672 endif () 1673 set(${file_name} ${lit_file_name} PARENT_SCOPE) 1674 1675 get_property(LLVM_LIT_BASE_DIR GLOBAL PROPERTY LLVM_LIT_BASE_DIR) 1676 if (NOT "${LLVM_LIT_BASE_DIR}" STREQUAL "") 1677 set(${base_dir} ${LLVM_LIT_BASE_DIR} PARENT_SCOPE) 1678 endif() 1679 1680 # Allow individual projects to provide an override 1681 if (NOT "${LLVM_LIT_OUTPUT_DIR}" STREQUAL "") 1682 set(LLVM_LIT_BASE_DIR ${LLVM_LIT_OUTPUT_DIR}) 1683 elseif(NOT "${LLVM_RUNTIME_OUTPUT_INTDIR}" STREQUAL "") 1684 set(LLVM_LIT_BASE_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR}) 1685 else() 1686 set(LLVM_LIT_BASE_DIR "") 1687 endif() 1688 1689 # Cache this so we don't have to do it again and have subsequent calls 1690 # potentially disagree on the value. 1691 set_property(GLOBAL PROPERTY LLVM_LIT_BASE_DIR ${LLVM_LIT_BASE_DIR}) 1692 set(${base_dir} ${LLVM_LIT_BASE_DIR} PARENT_SCOPE) 1693endfunction() 1694 1695# A raw function to create a lit target. This is used to implement the testuite 1696# management functions. 1697function(add_lit_target target comment) 1698 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1699 set(LIT_ARGS "${ARG_ARGS} ${LLVM_LIT_ARGS}") 1700 separate_arguments(LIT_ARGS) 1701 if (NOT CMAKE_CFG_INTDIR STREQUAL ".") 1702 list(APPEND LIT_ARGS --param build_mode=${CMAKE_CFG_INTDIR}) 1703 endif () 1704 1705 # Get the path to the lit to *run* tests with. This can be overriden by 1706 # the user by specifying -DLLVM_EXTERNAL_LIT=<path-to-lit.py> 1707 get_llvm_lit_path( 1708 lit_base_dir 1709 lit_file_name 1710 ALLOW_EXTERNAL 1711 ) 1712 1713 set(LIT_COMMAND "${Python3_EXECUTABLE};${lit_base_dir}/${lit_file_name}") 1714 list(APPEND LIT_COMMAND ${LIT_ARGS}) 1715 foreach(param ${ARG_PARAMS}) 1716 list(APPEND LIT_COMMAND --param ${param}) 1717 endforeach() 1718 if (ARG_UNPARSED_ARGUMENTS) 1719 add_custom_target(${target} 1720 COMMAND ${LIT_COMMAND} ${ARG_UNPARSED_ARGUMENTS} 1721 COMMENT "${comment}" 1722 USES_TERMINAL 1723 ) 1724 else() 1725 add_custom_target(${target} 1726 COMMAND ${CMAKE_COMMAND} -E echo "${target} does nothing, no tools built.") 1727 message(STATUS "${target} does nothing.") 1728 endif() 1729 1730 if (ARG_DEPENDS) 1731 add_dependencies(${target} ${ARG_DEPENDS}) 1732 endif() 1733 1734 # Tests should be excluded from "Build Solution". 1735 set_target_properties(${target} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD ON) 1736endfunction() 1737 1738# A function to add a set of lit test suites to be driven through 'check-*' targets. 1739function(add_lit_testsuite target comment) 1740 cmake_parse_arguments(ARG "EXCLUDE_FROM_CHECK_ALL" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1741 1742 # EXCLUDE_FROM_ALL excludes the test ${target} out of check-all. 1743 if(NOT ARG_EXCLUDE_FROM_CHECK_ALL) 1744 # Register the testsuites, params and depends for the global check rule. 1745 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_TESTSUITES ${ARG_UNPARSED_ARGUMENTS}) 1746 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_PARAMS ${ARG_PARAMS}) 1747 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_DEPENDS ${ARG_DEPENDS}) 1748 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_EXTRA_ARGS ${ARG_ARGS}) 1749 endif() 1750 1751 # Produce a specific suffixed check rule. 1752 add_lit_target(${target} ${comment} 1753 ${ARG_UNPARSED_ARGUMENTS} 1754 PARAMS ${ARG_PARAMS} 1755 DEPENDS ${ARG_DEPENDS} 1756 ARGS ${ARG_ARGS} 1757 ) 1758endfunction() 1759 1760function(add_lit_testsuites project directory) 1761 if (NOT LLVM_ENABLE_IDE) 1762 cmake_parse_arguments(ARG "EXCLUDE_FROM_CHECK_ALL" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1763 1764 # Search recursively for test directories by assuming anything not 1765 # in a directory called Inputs contains tests. 1766 file(GLOB_RECURSE to_process LIST_DIRECTORIES true ${directory}/*) 1767 foreach(lit_suite ${to_process}) 1768 if(NOT IS_DIRECTORY ${lit_suite}) 1769 continue() 1770 endif() 1771 string(FIND ${lit_suite} Inputs is_inputs) 1772 string(FIND ${lit_suite} Output is_output) 1773 if (NOT (is_inputs EQUAL -1 AND is_output EQUAL -1)) 1774 continue() 1775 endif() 1776 1777 # Create a check- target for the directory. 1778 string(REPLACE ${directory} "" name_slash ${lit_suite}) 1779 if (name_slash) 1780 string(REPLACE "/" "-" name_slash ${name_slash}) 1781 string(REPLACE "\\" "-" name_dashes ${name_slash}) 1782 string(TOLOWER "${project}${name_dashes}" name_var) 1783 add_lit_target("check-${name_var}" "Running lit suite ${lit_suite}" 1784 ${lit_suite} 1785 ${EXCLUDE_FROM_CHECK_ALL} 1786 PARAMS ${ARG_PARAMS} 1787 DEPENDS ${ARG_DEPENDS} 1788 ARGS ${ARG_ARGS} 1789 ) 1790 endif() 1791 endforeach() 1792 endif() 1793endfunction() 1794 1795function(llvm_install_library_symlink name dest type) 1796 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "COMPONENT" "" ${ARGN}) 1797 foreach(path ${CMAKE_MODULE_PATH}) 1798 if(EXISTS ${path}/LLVMInstallSymlink.cmake) 1799 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake) 1800 break() 1801 endif() 1802 endforeach() 1803 1804 set(component ${ARG_COMPONENT}) 1805 if(NOT component) 1806 set(component ${name}) 1807 endif() 1808 1809 set(full_name ${CMAKE_${type}_LIBRARY_PREFIX}${name}${CMAKE_${type}_LIBRARY_SUFFIX}) 1810 set(full_dest ${CMAKE_${type}_LIBRARY_PREFIX}${dest}${CMAKE_${type}_LIBRARY_SUFFIX}) 1811 1812 set(output_dir lib${LLVM_LIBDIR_SUFFIX}) 1813 if(WIN32 AND "${type}" STREQUAL "SHARED") 1814 set(output_dir bin) 1815 endif() 1816 1817 install(SCRIPT ${INSTALL_SYMLINK} 1818 CODE "install_symlink(${full_name} ${full_dest} ${output_dir})" 1819 COMPONENT ${component}) 1820 1821 if (NOT LLVM_ENABLE_IDE AND NOT ARG_ALWAYS_GENERATE) 1822 add_llvm_install_targets(install-${name} 1823 DEPENDS ${name} ${dest} 1824 COMPONENT ${name} 1825 SYMLINK ${dest}) 1826 endif() 1827endfunction() 1828 1829function(llvm_install_symlink name dest) 1830 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "COMPONENT" "" ${ARGN}) 1831 foreach(path ${CMAKE_MODULE_PATH}) 1832 if(EXISTS ${path}/LLVMInstallSymlink.cmake) 1833 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake) 1834 break() 1835 endif() 1836 endforeach() 1837 1838 if(ARG_COMPONENT) 1839 set(component ${ARG_COMPONENT}) 1840 else() 1841 if(ARG_ALWAYS_GENERATE) 1842 set(component ${dest}) 1843 else() 1844 set(component ${name}) 1845 endif() 1846 endif() 1847 1848 set(full_name ${name}${CMAKE_EXECUTABLE_SUFFIX}) 1849 set(full_dest ${dest}${CMAKE_EXECUTABLE_SUFFIX}) 1850 1851 install(SCRIPT ${INSTALL_SYMLINK} 1852 CODE "install_symlink(${full_name} ${full_dest} ${LLVM_TOOLS_INSTALL_DIR})" 1853 COMPONENT ${component}) 1854 1855 if (NOT LLVM_ENABLE_IDE AND NOT ARG_ALWAYS_GENERATE) 1856 add_llvm_install_targets(install-${name} 1857 DEPENDS ${name} ${dest} 1858 COMPONENT ${name} 1859 SYMLINK ${dest}) 1860 endif() 1861endfunction() 1862 1863function(add_llvm_tool_symlink link_name target) 1864 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "OUTPUT_DIR" "" ${ARGN}) 1865 set(dest_binary "$<TARGET_FILE:${target}>") 1866 1867 # This got a bit gross... For multi-configuration generators the target 1868 # properties return the resolved value of the string, not the build system 1869 # expression. To reconstruct the platform-agnostic path we have to do some 1870 # magic. First we grab one of the types, and a type-specific path. Then from 1871 # the type-specific path we find the last occurrence of the type in the path, 1872 # and replace it with CMAKE_CFG_INTDIR. This allows the build step to be type 1873 # agnostic again. 1874 if(NOT ARG_OUTPUT_DIR) 1875 # If you're not overriding the OUTPUT_DIR, we can make the link relative in 1876 # the same directory. 1877 if(CMAKE_HOST_UNIX) 1878 set(dest_binary "$<TARGET_FILE_NAME:${target}>") 1879 endif() 1880 if(CMAKE_CONFIGURATION_TYPES) 1881 list(GET CMAKE_CONFIGURATION_TYPES 0 first_type) 1882 string(TOUPPER ${first_type} first_type_upper) 1883 set(first_type_suffix _${first_type_upper}) 1884 endif() 1885 get_target_property(target_type ${target} TYPE) 1886 if(${target_type} STREQUAL "STATIC_LIBRARY") 1887 get_target_property(ARG_OUTPUT_DIR ${target} ARCHIVE_OUTPUT_DIRECTORY${first_type_suffix}) 1888 elseif(UNIX AND ${target_type} STREQUAL "SHARED_LIBRARY") 1889 get_target_property(ARG_OUTPUT_DIR ${target} LIBRARY_OUTPUT_DIRECTORY${first_type_suffix}) 1890 else() 1891 get_target_property(ARG_OUTPUT_DIR ${target} RUNTIME_OUTPUT_DIRECTORY${first_type_suffix}) 1892 endif() 1893 if(CMAKE_CONFIGURATION_TYPES) 1894 string(FIND "${ARG_OUTPUT_DIR}" "/${first_type}/" type_start REVERSE) 1895 string(SUBSTRING "${ARG_OUTPUT_DIR}" 0 ${type_start} path_prefix) 1896 string(SUBSTRING "${ARG_OUTPUT_DIR}" ${type_start} -1 path_suffix) 1897 string(REPLACE "/${first_type}/" "/${CMAKE_CFG_INTDIR}/" 1898 path_suffix ${path_suffix}) 1899 set(ARG_OUTPUT_DIR ${path_prefix}${path_suffix}) 1900 endif() 1901 endif() 1902 1903 if(CMAKE_HOST_UNIX) 1904 set(LLVM_LINK_OR_COPY create_symlink) 1905 else() 1906 set(LLVM_LINK_OR_COPY copy) 1907 endif() 1908 1909 set(output_path "${ARG_OUTPUT_DIR}/${link_name}${CMAKE_EXECUTABLE_SUFFIX}") 1910 1911 set(target_name ${link_name}) 1912 if(TARGET ${link_name}) 1913 set(target_name ${link_name}-link) 1914 endif() 1915 1916 1917 if(ARG_ALWAYS_GENERATE) 1918 set_property(DIRECTORY APPEND PROPERTY 1919 ADDITIONAL_MAKE_CLEAN_FILES ${dest_binary}) 1920 add_custom_command(TARGET ${target} POST_BUILD 1921 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}") 1922 else() 1923 add_custom_command(OUTPUT ${output_path} 1924 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}" 1925 DEPENDS ${target}) 1926 add_custom_target(${target_name} ALL DEPENDS ${target} ${output_path}) 1927 set_target_properties(${target_name} PROPERTIES FOLDER Tools) 1928 1929 # Make sure both the link and target are toolchain tools 1930 if (${link_name} IN_LIST LLVM_TOOLCHAIN_TOOLS AND ${target} IN_LIST LLVM_TOOLCHAIN_TOOLS) 1931 set(TOOL_IS_TOOLCHAIN ON) 1932 endif() 1933 1934 if ((TOOL_IS_TOOLCHAIN OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) AND LLVM_BUILD_TOOLS) 1935 llvm_install_symlink(${link_name} ${target}) 1936 endif() 1937 endif() 1938endfunction() 1939 1940function(llvm_externalize_debuginfo name) 1941 if(NOT LLVM_EXTERNALIZE_DEBUGINFO) 1942 return() 1943 endif() 1944 1945 if(NOT LLVM_EXTERNALIZE_DEBUGINFO_SKIP_STRIP) 1946 if(APPLE) 1947 if(NOT CMAKE_STRIP) 1948 set(CMAKE_STRIP xcrun strip) 1949 endif() 1950 set(strip_command COMMAND ${CMAKE_STRIP} -Sxl $<TARGET_FILE:${name}>) 1951 else() 1952 set(strip_command COMMAND ${CMAKE_STRIP} -g -x $<TARGET_FILE:${name}>) 1953 endif() 1954 endif() 1955 1956 if(APPLE) 1957 if(LLVM_EXTERNALIZE_DEBUGINFO_EXTENSION) 1958 set(file_ext ${LLVM_EXTERNALIZE_DEBUGINFO_EXTENSION}) 1959 else() 1960 set(file_ext dSYM) 1961 endif() 1962 1963 set(output_name "$<TARGET_FILE_NAME:${name}>.${file_ext}") 1964 1965 if(LLVM_EXTERNALIZE_DEBUGINFO_OUTPUT_DIR) 1966 set(output_path "-o=${LLVM_EXTERNALIZE_DEBUGINFO_OUTPUT_DIR}/${output_name}") 1967 else() 1968 set(output_path "-o=${output_name}") 1969 endif() 1970 1971 if(CMAKE_CXX_FLAGS MATCHES "-flto" 1972 OR CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE} MATCHES "-flto") 1973 1974 set(lto_object ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${name}-lto.o) 1975 set_property(TARGET ${name} APPEND_STRING PROPERTY 1976 LINK_FLAGS " -Wl,-object_path_lto,${lto_object}") 1977 endif() 1978 if(NOT CMAKE_DSYMUTIL) 1979 set(CMAKE_DSYMUTIL xcrun dsymutil) 1980 endif() 1981 add_custom_command(TARGET ${name} POST_BUILD 1982 COMMAND ${CMAKE_DSYMUTIL} ${output_path} $<TARGET_FILE:${name}> 1983 ${strip_command} 1984 ) 1985 else() 1986 add_custom_command(TARGET ${name} POST_BUILD 1987 COMMAND ${CMAKE_OBJCOPY} --only-keep-debug $<TARGET_FILE:${name}> $<TARGET_FILE:${name}>.debug 1988 ${strip_command} -R .gnu_debuglink 1989 COMMAND ${CMAKE_OBJCOPY} --add-gnu-debuglink=$<TARGET_FILE:${name}>.debug $<TARGET_FILE:${name}> 1990 ) 1991 endif() 1992endfunction() 1993 1994# Usage: llvm_codesign(name [FORCE] [ENTITLEMENTS file] [BUNDLE_PATH path]) 1995function(llvm_codesign name) 1996 cmake_parse_arguments(ARG "FORCE" "ENTITLEMENTS;BUNDLE_PATH" "" ${ARGN}) 1997 1998 if(NOT LLVM_CODESIGNING_IDENTITY) 1999 return() 2000 endif() 2001 2002 if(CMAKE_GENERATOR STREQUAL "Xcode") 2003 set_target_properties(${name} PROPERTIES 2004 XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY ${LLVM_CODESIGNING_IDENTITY} 2005 ) 2006 if(DEFINED ARG_ENTITLEMENTS) 2007 set_target_properties(${name} PROPERTIES 2008 XCODE_ATTRIBUTE_CODE_SIGN_ENTITLEMENTS ${ARG_ENTITLEMENTS} 2009 ) 2010 endif() 2011 elseif(APPLE AND CMAKE_HOST_SYSTEM_NAME MATCHES Darwin) 2012 if(NOT CMAKE_CODESIGN) 2013 set(CMAKE_CODESIGN xcrun codesign) 2014 endif() 2015 if(NOT CMAKE_CODESIGN_ALLOCATE) 2016 execute_process( 2017 COMMAND xcrun -f codesign_allocate 2018 OUTPUT_STRIP_TRAILING_WHITESPACE 2019 OUTPUT_VARIABLE CMAKE_CODESIGN_ALLOCATE 2020 ) 2021 endif() 2022 if(DEFINED ARG_ENTITLEMENTS) 2023 set(pass_entitlements --entitlements ${ARG_ENTITLEMENTS}) 2024 endif() 2025 2026 if (NOT ARG_BUNDLE_PATH) 2027 set(ARG_BUNDLE_PATH $<TARGET_FILE:${name}>) 2028 endif() 2029 2030 # ld64 now always codesigns the binaries it creates. Apply the force arg 2031 # unconditionally so that we can - for example - add entitlements to the 2032 # targets that need it. 2033 set(force_flag "-f") 2034 2035 add_custom_command( 2036 TARGET ${name} POST_BUILD 2037 COMMAND ${CMAKE_COMMAND} -E 2038 env CODESIGN_ALLOCATE=${CMAKE_CODESIGN_ALLOCATE} 2039 ${CMAKE_CODESIGN} -s ${LLVM_CODESIGNING_IDENTITY} 2040 ${pass_entitlements} ${force_flag} ${ARG_BUNDLE_PATH} 2041 ) 2042 endif() 2043endfunction() 2044 2045function(llvm_setup_rpath name) 2046 if(CMAKE_INSTALL_RPATH) 2047 return() 2048 endif() 2049 2050 if(LLVM_INSTALL_PREFIX AND NOT (LLVM_INSTALL_PREFIX STREQUAL CMAKE_INSTALL_PREFIX)) 2051 set(extra_libdir ${LLVM_LIBRARY_DIR}) 2052 elseif(LLVM_BUILD_LIBRARY_DIR) 2053 set(extra_libdir ${LLVM_LIBRARY_DIR}) 2054 endif() 2055 2056 if (APPLE) 2057 set(_install_name_dir INSTALL_NAME_DIR "@rpath") 2058 set(_install_rpath "@loader_path/../lib${LLVM_LIBDIR_SUFFIX}" ${extra_libdir}) 2059 elseif(UNIX) 2060 set(_install_rpath "\$ORIGIN/../lib${LLVM_LIBDIR_SUFFIX}" ${extra_libdir}) 2061 if(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)") 2062 set_property(TARGET ${name} APPEND_STRING PROPERTY 2063 LINK_FLAGS " -Wl,-z,origin ") 2064 endif() 2065 if(LLVM_LINKER_IS_GNULD) 2066 # $ORIGIN is not interpreted at link time by ld.bfd 2067 set_property(TARGET ${name} APPEND_STRING PROPERTY 2068 LINK_FLAGS " -Wl,-rpath-link,${LLVM_LIBRARY_OUTPUT_INTDIR} ") 2069 endif() 2070 else() 2071 return() 2072 endif() 2073 2074 set_target_properties(${name} PROPERTIES 2075 BUILD_WITH_INSTALL_RPATH On 2076 INSTALL_RPATH "${_install_rpath}" 2077 ${_install_name_dir}) 2078endfunction() 2079 2080function(setup_dependency_debugging name) 2081 if(NOT LLVM_DEPENDENCY_DEBUGGING) 2082 return() 2083 endif() 2084 2085 if("intrinsics_gen" IN_LIST ARGN) 2086 return() 2087 endif() 2088 2089 set(deny_attributes_inc "(deny file* (literal \"${LLVM_BINARY_DIR}/include/llvm/IR/Attributes.inc\"))") 2090 set(deny_intrinsics_inc "(deny file* (literal \"${LLVM_BINARY_DIR}/include/llvm/IR/Intrinsics.inc\"))") 2091 2092 set(sandbox_command "sandbox-exec -p '(version 1) (allow default) ${deny_attributes_inc} ${deny_intrinsics_inc}'") 2093 set_target_properties(${name} PROPERTIES RULE_LAUNCH_COMPILE ${sandbox_command}) 2094endfunction() 2095 2096function(find_first_existing_vc_file path out_var) 2097 if(NOT EXISTS "${path}") 2098 return() 2099 endif() 2100 find_package(Git) 2101 if(GIT_FOUND) 2102 execute_process(COMMAND ${GIT_EXECUTABLE} rev-parse --git-dir 2103 WORKING_DIRECTORY ${path} 2104 RESULT_VARIABLE git_result 2105 OUTPUT_VARIABLE git_output 2106 ERROR_QUIET) 2107 if(git_result EQUAL 0) 2108 string(STRIP "${git_output}" git_output) 2109 get_filename_component(git_dir ${git_output} ABSOLUTE BASE_DIR ${path}) 2110 # Some branchless cases (e.g. 'repo') may not yet have .git/logs/HEAD 2111 if (NOT EXISTS "${git_dir}/logs/HEAD") 2112 execute_process(COMMAND ${CMAKE_COMMAND} -E touch HEAD 2113 WORKING_DIRECTORY "${git_dir}/logs" 2114 RESULT_VARIABLE touch_head_result 2115 ERROR_QUIET) 2116 if (NOT touch_head_result EQUAL 0) 2117 return() 2118 endif() 2119 endif() 2120 set(${out_var} "${git_dir}/logs/HEAD" PARENT_SCOPE) 2121 endif() 2122 endif() 2123endfunction() 2124