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" 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") 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 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 258 LINK_FLAGS " -Wl,--gc-sections") 259 endif() 260 else() #LLVM_NO_DEAD_STRIP 261 if(${CMAKE_SYSTEM_NAME} MATCHES "AIX") 262 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 263 LINK_FLAGS " -Wl,-bnogc") 264 endif() 265 endif() 266 endif() 267 268 if(ARG_SUPPORT_PLUGINS AND ${CMAKE_SYSTEM_NAME} MATCHES "AIX") 269 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 270 LINK_FLAGS " -Wl,-brtl") 271 endif() 272endfunction(add_link_opts) 273 274# Set each output directory according to ${CMAKE_CONFIGURATION_TYPES}. 275# Note: Don't set variables CMAKE_*_OUTPUT_DIRECTORY any more, 276# or a certain builder, for eaxample, msbuild.exe, would be confused. 277function(set_output_directory target) 278 cmake_parse_arguments(ARG "" "BINARY_DIR;LIBRARY_DIR" "" ${ARGN}) 279 280 # module_dir -- corresponding to LIBRARY_OUTPUT_DIRECTORY. 281 # It affects output of add_library(MODULE). 282 if(WIN32 OR CYGWIN) 283 # DLL platform 284 set(module_dir ${ARG_BINARY_DIR}) 285 else() 286 set(module_dir ${ARG_LIBRARY_DIR}) 287 endif() 288 if(NOT "${CMAKE_CFG_INTDIR}" STREQUAL ".") 289 foreach(build_mode ${CMAKE_CONFIGURATION_TYPES}) 290 string(TOUPPER "${build_mode}" CONFIG_SUFFIX) 291 if(ARG_BINARY_DIR) 292 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} bi ${ARG_BINARY_DIR}) 293 set_target_properties(${target} PROPERTIES "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${bi}) 294 endif() 295 if(ARG_LIBRARY_DIR) 296 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} li ${ARG_LIBRARY_DIR}) 297 set_target_properties(${target} PROPERTIES "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${li}) 298 endif() 299 if(module_dir) 300 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} mi ${module_dir}) 301 set_target_properties(${target} PROPERTIES "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${mi}) 302 endif() 303 endforeach() 304 else() 305 if(ARG_BINARY_DIR) 306 set_target_properties(${target} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${ARG_BINARY_DIR}) 307 endif() 308 if(ARG_LIBRARY_DIR) 309 set_target_properties(${target} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${ARG_LIBRARY_DIR}) 310 endif() 311 if(module_dir) 312 set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${module_dir}) 313 endif() 314 endif() 315endfunction() 316 317# If on Windows and building with MSVC, add the resource script containing the 318# VERSIONINFO data to the project. This embeds version resource information 319# into the output .exe or .dll. 320# TODO: Enable for MinGW Windows builds too. 321# 322function(add_windows_version_resource_file OUT_VAR) 323 set(sources ${ARGN}) 324 if (MSVC AND CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows") 325 set(resource_file ${LLVM_SOURCE_DIR}/resources/windows_version_resource.rc) 326 if(EXISTS ${resource_file}) 327 set(sources ${sources} ${resource_file}) 328 source_group("Resource Files" ${resource_file}) 329 set(windows_resource_file ${resource_file} PARENT_SCOPE) 330 endif() 331 endif(MSVC AND CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows") 332 333 set(${OUT_VAR} ${sources} PARENT_SCOPE) 334endfunction(add_windows_version_resource_file) 335 336# set_windows_version_resource_properties(name resource_file... 337# VERSION_MAJOR int 338# Optional major version number (defaults to LLVM_VERSION_MAJOR) 339# VERSION_MINOR int 340# Optional minor version number (defaults to LLVM_VERSION_MINOR) 341# VERSION_PATCHLEVEL int 342# Optional patchlevel version number (defaults to LLVM_VERSION_PATCH) 343# VERSION_STRING 344# Optional version string (defaults to PACKAGE_VERSION) 345# PRODUCT_NAME 346# Optional product name string (defaults to "LLVM") 347# ) 348function(set_windows_version_resource_properties name resource_file) 349 cmake_parse_arguments(ARG 350 "" 351 "VERSION_MAJOR;VERSION_MINOR;VERSION_PATCHLEVEL;VERSION_STRING;PRODUCT_NAME" 352 "" 353 ${ARGN}) 354 355 if (NOT DEFINED ARG_VERSION_MAJOR) 356 set(ARG_VERSION_MAJOR ${LLVM_VERSION_MAJOR}) 357 endif() 358 359 if (NOT DEFINED ARG_VERSION_MINOR) 360 set(ARG_VERSION_MINOR ${LLVM_VERSION_MINOR}) 361 endif() 362 363 if (NOT DEFINED ARG_VERSION_PATCHLEVEL) 364 set(ARG_VERSION_PATCHLEVEL ${LLVM_VERSION_PATCH}) 365 endif() 366 367 if (NOT DEFINED ARG_VERSION_STRING) 368 set(ARG_VERSION_STRING ${PACKAGE_VERSION}) 369 endif() 370 371 if (NOT DEFINED ARG_PRODUCT_NAME) 372 set(ARG_PRODUCT_NAME "LLVM") 373 endif() 374 375 set_property(SOURCE ${resource_file} 376 PROPERTY COMPILE_FLAGS /nologo) 377 set_property(SOURCE ${resource_file} 378 PROPERTY COMPILE_DEFINITIONS 379 "RC_VERSION_FIELD_1=${ARG_VERSION_MAJOR}" 380 "RC_VERSION_FIELD_2=${ARG_VERSION_MINOR}" 381 "RC_VERSION_FIELD_3=${ARG_VERSION_PATCHLEVEL}" 382 "RC_VERSION_FIELD_4=0" 383 "RC_FILE_VERSION=\"${ARG_VERSION_STRING}\"" 384 "RC_INTERNAL_NAME=\"${name}\"" 385 "RC_PRODUCT_NAME=\"${ARG_PRODUCT_NAME}\"" 386 "RC_PRODUCT_VERSION=\"${ARG_VERSION_STRING}\"") 387endfunction(set_windows_version_resource_properties) 388 389# llvm_add_library(name sources... 390# SHARED;STATIC 391# STATIC by default w/o BUILD_SHARED_LIBS. 392# SHARED by default w/ BUILD_SHARED_LIBS. 393# OBJECT 394# Also create an OBJECT library target. Default if STATIC && SHARED. 395# MODULE 396# Target ${name} might not be created on unsupported platforms. 397# Check with "if(TARGET ${name})". 398# DISABLE_LLVM_LINK_LLVM_DYLIB 399# Do not link this library to libLLVM, even if 400# LLVM_LINK_LLVM_DYLIB is enabled. 401# OUTPUT_NAME name 402# Corresponds to OUTPUT_NAME in target properties. 403# DEPENDS targets... 404# Same semantics as add_dependencies(). 405# LINK_COMPONENTS components... 406# Same as the variable LLVM_LINK_COMPONENTS. 407# LINK_LIBS lib_targets... 408# Same semantics as target_link_libraries(). 409# ADDITIONAL_HEADERS 410# May specify header files for IDE generators. 411# SONAME 412# Should set SONAME link flags and create symlinks 413# NO_INSTALL_RPATH 414# Suppress default RPATH settings in shared libraries. 415# PLUGIN_TOOL 416# The tool (i.e. cmake target) that this plugin will link against 417# COMPONENT_LIB 418# This is used to specify that this is a component library of 419# LLVM which means that the source resides in llvm/lib/ and it is a 420# candidate for inclusion into libLLVM.so. 421# ) 422function(llvm_add_library name) 423 cmake_parse_arguments(ARG 424 "MODULE;SHARED;STATIC;OBJECT;DISABLE_LLVM_LINK_LLVM_DYLIB;SONAME;NO_INSTALL_RPATH;COMPONENT_LIB" 425 "OUTPUT_NAME;PLUGIN_TOOL;ENTITLEMENTS;BUNDLE_PATH" 426 "ADDITIONAL_HEADERS;DEPENDS;LINK_COMPONENTS;LINK_LIBS;OBJLIBS" 427 ${ARGN}) 428 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS}) 429 if(ARG_ADDITIONAL_HEADERS) 430 # Pass through ADDITIONAL_HEADERS. 431 set(ARG_ADDITIONAL_HEADERS ADDITIONAL_HEADERS ${ARG_ADDITIONAL_HEADERS}) 432 endif() 433 if(ARG_OBJLIBS) 434 set(ALL_FILES ${ARG_OBJLIBS}) 435 else() 436 llvm_process_sources(ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ${ARG_ADDITIONAL_HEADERS}) 437 endif() 438 439 if(ARG_MODULE) 440 if(ARG_SHARED OR ARG_STATIC) 441 message(WARNING "MODULE with SHARED|STATIC doesn't make sense.") 442 endif() 443 # Plugins that link against a tool are allowed even when plugins in general are not 444 if(NOT LLVM_ENABLE_PLUGINS AND NOT (ARG_PLUGIN_TOOL AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS)) 445 message(STATUS "${name} ignored -- Loadable modules not supported on this platform.") 446 return() 447 endif() 448 else() 449 if(ARG_PLUGIN_TOOL) 450 message(WARNING "PLUGIN_TOOL without MODULE doesn't make sense.") 451 endif() 452 if(BUILD_SHARED_LIBS AND NOT ARG_STATIC) 453 set(ARG_SHARED TRUE) 454 endif() 455 if(NOT ARG_SHARED) 456 set(ARG_STATIC TRUE) 457 endif() 458 endif() 459 460 # Generate objlib 461 if((ARG_SHARED AND ARG_STATIC) OR ARG_OBJECT) 462 # Generate an obj library for both targets. 463 set(obj_name "obj.${name}") 464 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL 465 ${ALL_FILES} 466 ) 467 llvm_update_compile_flags(${obj_name}) 468 if(CMAKE_GENERATOR STREQUAL "Xcode") 469 set(DUMMY_FILE ${CMAKE_CURRENT_BINARY_DIR}/Dummy.c) 470 file(WRITE ${DUMMY_FILE} "// This file intentionally empty\n") 471 set_property(SOURCE ${DUMMY_FILE} APPEND_STRING PROPERTY COMPILE_FLAGS "-Wno-empty-translation-unit") 472 endif() 473 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>" ${DUMMY_FILE}) 474 475 # Do add_dependencies(obj) later due to CMake issue 14747. 476 list(APPEND objlibs ${obj_name}) 477 478 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") 479 if(ARG_DEPENDS) 480 add_dependencies(${obj_name} ${ARG_DEPENDS}) 481 endif() 482 # Treat link libraries like PUBLIC dependencies. LINK_LIBS might 483 # result in generating header files. Add a dependendency so that 484 # the generated header is created before this object library. 485 if(ARG_LINK_LIBS) 486 cmake_parse_arguments(LINK_LIBS_ARG 487 "" 488 "" 489 "PUBLIC;PRIVATE" 490 ${ARG_LINK_LIBS}) 491 foreach(link_lib ${LINK_LIBS_ARG_PUBLIC}) 492 if(LLVM_PTHREAD_LIB) 493 # Can't specify a dependence on -lpthread 494 if(NOT ${link_lib} STREQUAL ${LLVM_PTHREAD_LIB}) 495 add_dependencies(${obj_name} ${link_lib}) 496 endif() 497 else() 498 add_dependencies(${obj_name} ${link_lib}) 499 endif() 500 endforeach() 501 endif() 502 endif() 503 504 if(ARG_SHARED AND ARG_STATIC) 505 # static 506 set(name_static "${name}_static") 507 if(ARG_OUTPUT_NAME) 508 set(output_name OUTPUT_NAME "${ARG_OUTPUT_NAME}") 509 endif() 510 # DEPENDS has been appended to LLVM_COMMON_LIBS. 511 llvm_add_library(${name_static} STATIC 512 ${output_name} 513 OBJLIBS ${ALL_FILES} # objlib 514 LINK_LIBS ${ARG_LINK_LIBS} 515 LINK_COMPONENTS ${ARG_LINK_COMPONENTS} 516 ) 517 # FIXME: Add name_static to anywhere in TARGET ${name}'s PROPERTY. 518 set(ARG_STATIC) 519 endif() 520 521 if(ARG_MODULE) 522 add_library(${name} MODULE ${ALL_FILES}) 523 elseif(ARG_SHARED) 524 add_windows_version_resource_file(ALL_FILES ${ALL_FILES}) 525 add_library(${name} SHARED ${ALL_FILES}) 526 else() 527 add_library(${name} STATIC ${ALL_FILES}) 528 endif() 529 530 if(ARG_COMPONENT_LIB) 531 set_target_properties(${name} PROPERTIES LLVM_COMPONENT TRUE) 532 set_property(GLOBAL APPEND PROPERTY LLVM_COMPONENT_LIBS ${name}) 533 endif() 534 535 if(NOT ARG_NO_INSTALL_RPATH) 536 if(ARG_MODULE OR ARG_SHARED) 537 llvm_setup_rpath(${name}) 538 endif() 539 endif() 540 541 setup_dependency_debugging(${name} ${LLVM_COMMON_DEPENDS}) 542 543 if(DEFINED windows_resource_file) 544 set_windows_version_resource_properties(${name} ${windows_resource_file}) 545 set(windows_resource_file ${windows_resource_file} PARENT_SCOPE) 546 endif() 547 548 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) 549 # $<TARGET_OBJECTS> doesn't require compile flags. 550 if(NOT obj_name) 551 llvm_update_compile_flags(${name}) 552 endif() 553 add_link_opts( ${name} ) 554 if(ARG_OUTPUT_NAME) 555 set_target_properties(${name} 556 PROPERTIES 557 OUTPUT_NAME ${ARG_OUTPUT_NAME} 558 ) 559 endif() 560 561 if(ARG_MODULE) 562 set_target_properties(${name} PROPERTIES 563 PREFIX "" 564 SUFFIX ${LLVM_PLUGIN_EXT} 565 ) 566 endif() 567 568 if(ARG_SHARED) 569 if(WIN32) 570 set_target_properties(${name} PROPERTIES 571 PREFIX "" 572 ) 573 endif() 574 575 # Set SOVERSION on shared libraries that lack explicit SONAME 576 # specifier, on *nix systems that are not Darwin. 577 if(UNIX AND NOT APPLE AND NOT ARG_SONAME) 578 set_target_properties(${name} 579 PROPERTIES 580 # Since 4.0.0, the ABI version is indicated by the major version 581 SOVERSION ${LLVM_VERSION_MAJOR}${LLVM_VERSION_SUFFIX} 582 VERSION ${LLVM_VERSION_MAJOR}${LLVM_VERSION_SUFFIX}) 583 endif() 584 endif() 585 586 if(ARG_MODULE OR ARG_SHARED) 587 # Do not add -Dname_EXPORTS to the command-line when building files in this 588 # target. Doing so is actively harmful for the modules build because it 589 # creates extra module variants, and not useful because we don't use these 590 # macros. 591 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) 592 593 if (LLVM_EXPORTED_SYMBOL_FILE) 594 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 595 endif() 596 endif() 597 598 if(ARG_SHARED AND UNIX) 599 if(NOT APPLE AND ARG_SONAME) 600 get_target_property(output_name ${name} OUTPUT_NAME) 601 if(${output_name} STREQUAL "output_name-NOTFOUND") 602 set(output_name ${name}) 603 endif() 604 set(library_name ${output_name}-${LLVM_VERSION_MAJOR}${LLVM_VERSION_SUFFIX}) 605 set(api_name ${output_name}-${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX}) 606 set_target_properties(${name} PROPERTIES OUTPUT_NAME ${library_name}) 607 llvm_install_library_symlink(${api_name} ${library_name} SHARED 608 COMPONENT ${name} 609 ALWAYS_GENERATE) 610 llvm_install_library_symlink(${output_name} ${library_name} SHARED 611 COMPONENT ${name} 612 ALWAYS_GENERATE) 613 endif() 614 endif() 615 616 if(ARG_MODULE AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS AND ARG_PLUGIN_TOOL AND (WIN32 OR CYGWIN)) 617 # On DLL platforms symbols are imported from the tool by linking against it. 618 set(llvm_libs ${ARG_PLUGIN_TOOL}) 619 elseif (NOT ARG_COMPONENT_LIB) 620 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB) 621 set(llvm_libs LLVM) 622 else() 623 llvm_map_components_to_libnames(llvm_libs 624 ${ARG_LINK_COMPONENTS} 625 ${LLVM_LINK_COMPONENTS} 626 ) 627 endif() 628 else() 629 # Components have not been defined explicitly in CMake, so add the 630 # dependency information for this library as defined by LLVMBuild. 631 # 632 # It would be nice to verify that we have the dependencies for this library 633 # name, but using get_property(... SET) doesn't suffice to determine if a 634 # property has been set to an empty value. 635 get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${name}) 636 endif() 637 638 if(ARG_STATIC) 639 set(libtype PUBLIC) 640 else() 641 # We can use PRIVATE since SO knows its dependent libs. 642 set(libtype PRIVATE) 643 endif() 644 645 target_link_libraries(${name} ${libtype} 646 ${ARG_LINK_LIBS} 647 ${lib_deps} 648 ${llvm_libs} 649 ) 650 651 if(LLVM_COMMON_DEPENDS) 652 add_dependencies(${name} ${LLVM_COMMON_DEPENDS}) 653 # Add dependencies also to objlibs. 654 # CMake issue 14747 -- add_dependencies() might be ignored to objlib's user. 655 foreach(objlib ${objlibs}) 656 add_dependencies(${objlib} ${LLVM_COMMON_DEPENDS}) 657 endforeach() 658 endif() 659 660 if(ARG_SHARED OR ARG_MODULE) 661 llvm_externalize_debuginfo(${name}) 662 llvm_codesign(${name} ENTITLEMENTS ${ARG_ENTITLEMENTS} BUNDLE_PATH ${ARG_BUNDLE_PATH}) 663 endif() 664 # clang and newer versions of ninja use high-resolutions timestamps, 665 # but older versions of libtool on Darwin don't, so the archive will 666 # often get an older timestamp than the last object that was added 667 # or updated. To fix this, we add a custom command to touch archive 668 # after it's been built so that ninja won't rebuild it unnecessarily 669 # the next time it's run. 670 if(ARG_STATIC AND LLVM_TOUCH_STATIC_LIBRARIES) 671 add_custom_command(TARGET ${name} 672 POST_BUILD 673 COMMAND touch ${LLVM_LIBRARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}${name}${CMAKE_STATIC_LIBRARY_SUFFIX} 674 ) 675 endif() 676endfunction() 677 678function(add_llvm_install_targets target) 679 cmake_parse_arguments(ARG "" "COMPONENT;PREFIX;SYMLINK" "DEPENDS" ${ARGN}) 680 if(ARG_COMPONENT) 681 set(component_option -DCMAKE_INSTALL_COMPONENT="${ARG_COMPONENT}") 682 endif() 683 if(ARG_PREFIX) 684 set(prefix_option -DCMAKE_INSTALL_PREFIX="${ARG_PREFIX}") 685 endif() 686 687 set(file_dependencies) 688 set(target_dependencies) 689 foreach(dependency ${ARG_DEPENDS}) 690 if(TARGET ${dependency}) 691 list(APPEND target_dependencies ${dependency}) 692 else() 693 list(APPEND file_dependencies ${dependency}) 694 endif() 695 endforeach() 696 697 add_custom_target(${target} 698 DEPENDS ${file_dependencies} 699 COMMAND "${CMAKE_COMMAND}" 700 ${component_option} 701 ${prefix_option} 702 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake" 703 USES_TERMINAL) 704 add_custom_target(${target}-stripped 705 DEPENDS ${file_dependencies} 706 COMMAND "${CMAKE_COMMAND}" 707 ${component_option} 708 ${prefix_option} 709 -DCMAKE_INSTALL_DO_STRIP=1 710 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake" 711 USES_TERMINAL) 712 if(target_dependencies) 713 add_dependencies(${target} ${target_dependencies}) 714 add_dependencies(${target}-stripped ${target_dependencies}) 715 endif() 716 717 if(ARG_SYMLINK) 718 add_dependencies(${target} install-${ARG_SYMLINK}) 719 add_dependencies(${target}-stripped install-${ARG_SYMLINK}-stripped) 720 endif() 721endfunction() 722 723function(add_llvm_component_library name) 724 add_llvm_library(${name} COMPONENT_LIB ${ARGN}) 725endfunction() 726 727macro(add_llvm_library name) 728 cmake_parse_arguments(ARG 729 "SHARED;BUILDTREE_ONLY;MODULE;INSTALL_WITH_TOOLCHAIN" 730 "" 731 "" 732 ${ARGN}) 733 if(ARG_MODULE) 734 llvm_add_library(${name} MODULE ${ARG_UNPARSED_ARGUMENTS}) 735 elseif( BUILD_SHARED_LIBS OR ARG_SHARED ) 736 llvm_add_library(${name} SHARED ${ARG_UNPARSED_ARGUMENTS}) 737 else() 738 llvm_add_library(${name} ${ARG_UNPARSED_ARGUMENTS}) 739 endif() 740 741 # Libraries that are meant to only be exposed via the build tree only are 742 # never installed and are only exported as a target in the special build tree 743 # config file. 744 if (NOT ARG_BUILDTREE_ONLY AND NOT ARG_MODULE) 745 set_property( GLOBAL APPEND PROPERTY LLVM_LIBS ${name} ) 746 set(in_llvm_libs YES) 747 endif() 748 749 if (ARG_MODULE AND NOT TARGET ${name}) 750 # Add empty "phony" target 751 add_custom_target(${name}) 752 elseif( EXCLUDE_FROM_ALL ) 753 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON) 754 elseif(ARG_BUILDTREE_ONLY) 755 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS_BUILDTREE_ONLY ${name}) 756 else() 757 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ARG_INSTALL_WITH_TOOLCHAIN) 758 759 set(export_to_llvmexports) 760 if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR 761 (in_llvm_libs AND "llvm-libraries" IN_LIST LLVM_DISTRIBUTION_COMPONENTS) OR 762 NOT LLVM_DISTRIBUTION_COMPONENTS) 763 set(export_to_llvmexports EXPORT LLVMExports) 764 set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True) 765 endif() 766 767 install(TARGETS ${name} 768 ${export_to_llvmexports} 769 LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX} COMPONENT ${name} 770 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX} COMPONENT ${name} 771 RUNTIME DESTINATION bin COMPONENT ${name}) 772 773 if (NOT LLVM_ENABLE_IDE) 774 add_llvm_install_targets(install-${name} 775 DEPENDS ${name} 776 COMPONENT ${name}) 777 endif() 778 endif() 779 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 780 endif() 781 if (ARG_MODULE) 782 set_target_properties(${name} PROPERTIES FOLDER "Loadable modules") 783 else() 784 set_target_properties(${name} PROPERTIES FOLDER "Libraries") 785 endif() 786endmacro(add_llvm_library name) 787 788macro(add_llvm_executable name) 789 cmake_parse_arguments(ARG 790 "DISABLE_LLVM_LINK_LLVM_DYLIB;IGNORE_EXTERNALIZE_DEBUGINFO;NO_INSTALL_RPATH;SUPPORT_PLUGINS" 791 "ENTITLEMENTS;BUNDLE_PATH" 792 "DEPENDS" 793 ${ARGN}) 794 795 llvm_process_sources( ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ) 796 797 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS}) 798 799 # Generate objlib 800 if(LLVM_ENABLE_OBJLIB) 801 # Generate an obj library for both targets. 802 set(obj_name "obj.${name}") 803 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL 804 ${ALL_FILES} 805 ) 806 llvm_update_compile_flags(${obj_name}) 807 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>") 808 809 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") 810 endif() 811 812 add_windows_version_resource_file(ALL_FILES ${ALL_FILES}) 813 814 if(XCODE) 815 # Note: the dummy.cpp source file provides no definitions. However, 816 # it forces Xcode to properly link the static library. 817 list(APPEND ALL_FILES "${LLVM_MAIN_SRC_DIR}/cmake/dummy.cpp") 818 endif() 819 820 if( EXCLUDE_FROM_ALL ) 821 add_executable(${name} EXCLUDE_FROM_ALL ${ALL_FILES}) 822 else() 823 add_executable(${name} ${ALL_FILES}) 824 endif() 825 826 setup_dependency_debugging(${name} ${LLVM_COMMON_DEPENDS}) 827 828 if(NOT ARG_NO_INSTALL_RPATH) 829 llvm_setup_rpath(${name}) 830 elseif (LLVM_LOCAL_RPATH) 831 set_target_properties(${name} PROPERTIES 832 BUILD_WITH_INSTALL_RPATH On 833 INSTALL_RPATH "${LLVM_LOCAL_RPATH}") 834 endif() 835 836 if(DEFINED windows_resource_file) 837 set_windows_version_resource_properties(${name} ${windows_resource_file}) 838 endif() 839 840 # $<TARGET_OBJECTS> doesn't require compile flags. 841 if(NOT LLVM_ENABLE_OBJLIB) 842 llvm_update_compile_flags(${name}) 843 endif() 844 845 if (ARG_SUPPORT_PLUGINS AND NOT ${CMAKE_SYSTEM_NAME} MATCHES "AIX") 846 set(LLVM_NO_DEAD_STRIP On) 847 endif() 848 849 add_link_opts( ${name} ) 850 851 # Do not add -Dname_EXPORTS to the command-line when building files in this 852 # target. Doing so is actively harmful for the modules build because it 853 # creates extra module variants, and not useful because we don't use these 854 # macros. 855 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) 856 857 if (LLVM_EXPORTED_SYMBOL_FILE) 858 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 859 endif(LLVM_EXPORTED_SYMBOL_FILE) 860 861 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB) 862 set(USE_SHARED USE_SHARED) 863 endif() 864 865 set(EXCLUDE_FROM_ALL OFF) 866 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) 867 llvm_config( ${name} ${USE_SHARED} ${LLVM_LINK_COMPONENTS} ) 868 if( LLVM_COMMON_DEPENDS ) 869 add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} ) 870 endif( LLVM_COMMON_DEPENDS ) 871 872 if(NOT ARG_IGNORE_EXTERNALIZE_DEBUGINFO) 873 llvm_externalize_debuginfo(${name}) 874 endif() 875 if (LLVM_PTHREAD_LIB) 876 # libpthreads overrides some standard library symbols, so main 877 # executable must be linked with it in order to provide consistent 878 # API for all shared libaries loaded by this executable. 879 target_link_libraries(${name} PRIVATE ${LLVM_PTHREAD_LIB}) 880 endif() 881 882 llvm_codesign(${name} ENTITLEMENTS ${ARG_ENTITLEMENTS} BUNDLE_PATH ${ARG_BUNDLE_PATH}) 883endmacro(add_llvm_executable name) 884 885# add_llvm_pass_plugin(name [NO_MODULE] ...) 886# Add ${name} as an llvm plugin. 887# If option LLVM_${name_upper}_LINK_INTO_TOOLS is set to ON, the plugin is registered statically. 888# Otherwise a pluggable shared library is registered. 889# 890# If NO_MODULE is specified, when option LLVM_${name_upper}_LINK_INTO_TOOLS is set to OFF, 891# only an object library is built, and no module is built. This is specific to the Polly use case. 892# 893# The SUBPROJECT argument contains the LLVM project the plugin belongs 894# to. If set, the plugin will link statically by default it if the 895# project was enabled. 896function(add_llvm_pass_plugin name) 897 cmake_parse_arguments(ARG 898 "NO_MODULE" "SUBPROJECT" "" 899 ${ARGN}) 900 901 string(TOUPPER ${name} name_upper) 902 903 # Enable the plugin by default if it was explicitly enabled by the user. 904 # Note: If was set to "all", LLVM's CMakeLists.txt replaces it with a 905 # list of all projects, counting as explicitly enabled. 906 set(link_into_tools_default OFF) 907 if (ARG_SUBPROJECT AND LLVM_TOOL_${name_upper}_BUILD) 908 set(link_into_tools_default ON) 909 endif() 910 option(LLVM_${name_upper}_LINK_INTO_TOOLS "Statically link ${name} into tools (if available)" ${link_into_tools_default}) 911 912 # If we statically link the plugin, don't use llvm dylib because we're going 913 # to be part of it. 914 if(LLVM_${name_upper}_LINK_INTO_TOOLS) 915 list(APPEND ARG_UNPARSED_ARGUMENTS DISABLE_LLVM_LINK_LLVM_DYLIB) 916 endif() 917 918 if(LLVM_${name_upper}_LINK_INTO_TOOLS) 919 list(REMOVE_ITEM ARG_UNPARSED_ARGUMENTS BUILDTREE_ONLY) 920 # process_llvm_pass_plugins takes care of the actual linking, just create an 921 # object library as of now 922 add_llvm_library(${name} OBJECT ${ARG_UNPARSED_ARGUMENTS}) 923 target_compile_definitions(${name} PRIVATE LLVM_${name_upper}_LINK_INTO_TOOLS) 924 set_property(TARGET ${name} APPEND PROPERTY COMPILE_DEFINITIONS LLVM_LINK_INTO_TOOLS) 925 if (TARGET intrinsics_gen) 926 add_dependencies(obj.${name} intrinsics_gen) 927 endif() 928 if (TARGET omp_gen) 929 add_dependencies(obj.${name} omp_gen) 930 endif() 931 set_property(GLOBAL APPEND PROPERTY LLVM_STATIC_EXTENSIONS ${name}) 932 elseif(NOT ARG_NO_MODULE) 933 add_llvm_library(${name} MODULE ${ARG_UNPARSED_ARGUMENTS}) 934 else() 935 add_llvm_library(${name} OBJECT ${ARG_UNPARSED_ARGUMENTS}) 936 endif() 937 message(STATUS "Registering ${name} as a pass plugin (static build: ${LLVM_${name_upper}_LINK_INTO_TOOLS})") 938 939endfunction(add_llvm_pass_plugin) 940 941# process_llvm_pass_plugins([GEN_CONFIG]) 942# 943# Correctly set lib dependencies between plugins and tools, based on tools 944# registered with the ENABLE_PLUGINS option. 945# 946# if GEN_CONFIG option is set, also generate X Macro file for extension 947# handling. It provides a HANDLE_EXTENSION(extension_namespace, ExtensionProject) 948# call for each extension allowing client code to define 949# HANDLE_EXTENSION to have a specific code be run for each extension. 950# 951function(process_llvm_pass_plugins) 952 cmake_parse_arguments(ARG 953 "GEN_CONFIG" "" "" 954 ${ARGN}) 955 956 if(ARG_GEN_CONFIG) 957 get_property(LLVM_STATIC_EXTENSIONS GLOBAL PROPERTY LLVM_STATIC_EXTENSIONS) 958 else() 959 include(LLVMConfigExtensions) 960 endif() 961 962 # Add static plugins to the Extension component 963 foreach(llvm_extension ${LLVM_STATIC_EXTENSIONS}) 964 set_property(TARGET LLVMExtensions APPEND PROPERTY LINK_LIBRARIES ${llvm_extension}) 965 set_property(TARGET LLVMExtensions APPEND PROPERTY INTERFACE_LINK_LIBRARIES ${llvm_extension}) 966 endforeach() 967 968 # Eventually generate the extension headers, and store config to a cmake file 969 # for usage in third-party configuration. 970 if(ARG_GEN_CONFIG) 971 972 ## Part 1: Extension header to be included whenever we need extension 973 # processing. 974 set(LLVM_INSTALL_PACKAGE_DIR lib${LLVM_LIBDIR_SUFFIX}/cmake/llvm) 975 set(llvm_cmake_builddir "${LLVM_BINARY_DIR}/${LLVM_INSTALL_PACKAGE_DIR}") 976 file(WRITE 977 "${llvm_cmake_builddir}/LLVMConfigExtensions.cmake" 978 "set(LLVM_STATIC_EXTENSIONS ${LLVM_STATIC_EXTENSIONS})") 979 install(FILES 980 ${llvm_cmake_builddir}/LLVMConfigExtensions.cmake 981 DESTINATION ${LLVM_INSTALL_PACKAGE_DIR} 982 COMPONENT cmake-exports) 983 984 set(ExtensionDef "${LLVM_BINARY_DIR}/include/llvm/Support/Extension.def") 985 file(WRITE "${ExtensionDef}.tmp" "//extension handlers\n") 986 foreach(llvm_extension ${LLVM_STATIC_EXTENSIONS}) 987 file(APPEND "${ExtensionDef}.tmp" "HANDLE_EXTENSION(${llvm_extension})\n") 988 endforeach() 989 file(APPEND "${ExtensionDef}.tmp" "#undef HANDLE_EXTENSION\n") 990 991 # only replace if there's an actual change 992 execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different 993 "${ExtensionDef}.tmp" 994 "${ExtensionDef}") 995 file(REMOVE "${ExtensionDef}.tmp") 996 997 ## Part 2: Extension header that captures each extension dependency, to be 998 # used by llvm-config. 999 set(ExtensionDeps "${LLVM_BINARY_DIR}/tools/llvm-config/ExtensionDependencies.inc") 1000 1001 # Max needed to correctly size the required library array. 1002 set(llvm_plugin_max_deps_length 0) 1003 foreach(llvm_extension ${LLVM_STATIC_EXTENSIONS}) 1004 get_property(llvm_plugin_deps TARGET ${llvm_extension} PROPERTY LINK_LIBRARIES) 1005 list(LENGTH llvm_plugin_deps llvm_plugin_deps_length) 1006 if(llvm_plugin_deps_length GREATER llvm_plugin_max_deps_length) 1007 set(llvm_plugin_max_deps_length ${llvm_plugin_deps_length}) 1008 endif() 1009 endforeach() 1010 1011 list(LENGTH LLVM_STATIC_EXTENSIONS llvm_static_extension_count) 1012 file(WRITE 1013 "${ExtensionDeps}.tmp" 1014 "#include <array>\n\ 1015 struct ExtensionDescriptor {\n\ 1016 const char* Name;\n\ 1017 const char* RequiredLibraries[1 + 1 + ${llvm_plugin_max_deps_length}];\n\ 1018 };\n\ 1019 std::array<ExtensionDescriptor, ${llvm_static_extension_count}> AvailableExtensions{\n") 1020 1021 foreach(llvm_extension ${LLVM_STATIC_EXTENSIONS}) 1022 get_property(llvm_plugin_deps TARGET ${llvm_extension} PROPERTY LINK_LIBRARIES) 1023 1024 file(APPEND "${ExtensionDeps}.tmp" "{{\"${llvm_extension}\", {") 1025 foreach(llvm_plugin_dep ${llvm_plugin_deps}) 1026 # Turn library dependency back to component name, if possible. 1027 # That way llvm-config can avoid redundant dependencies. 1028 STRING(REGEX REPLACE "^-l" "" plugin_dep_name ${llvm_plugin_dep}) 1029 STRING(REGEX MATCH "^LLVM" is_llvm_library ${plugin_dep_name}) 1030 if(is_llvm_library) 1031 STRING(REGEX REPLACE "^LLVM" "" plugin_dep_name ${plugin_dep_name}) 1032 STRING(TOLOWER ${plugin_dep_name} plugin_dep_name) 1033 endif() 1034 file(APPEND "${ExtensionDeps}.tmp" "\"${plugin_dep_name}\", ") 1035 endforeach() 1036 1037 # Self + mandatory trailing null, because the number of RequiredLibraries differs between extensions. 1038 file(APPEND "${ExtensionDeps}.tmp" \"${llvm_extension}\", "nullptr}}},\n") 1039 endforeach() 1040 file(APPEND "${ExtensionDeps}.tmp" "};\n") 1041 1042 # only replace if there's an actual change 1043 execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different 1044 "${ExtensionDeps}.tmp" 1045 "${ExtensionDeps}") 1046 file(REMOVE "${ExtensionDeps}.tmp") 1047 endif() 1048endfunction() 1049 1050function(export_executable_symbols target) 1051 if (LLVM_EXPORTED_SYMBOL_FILE) 1052 # The symbol file should contain the symbols we want the executable to 1053 # export 1054 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 1055 elseif (LLVM_EXPORT_SYMBOLS_FOR_PLUGINS) 1056 # Extract the symbols to export from the static libraries that the 1057 # executable links against. 1058 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 1059 set(exported_symbol_file ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${target}.symbols) 1060 # We need to consider not just the direct link dependencies, but also the 1061 # transitive link dependencies. Do this by starting with the set of direct 1062 # dependencies, then the dependencies of those dependencies, and so on. 1063 get_target_property(new_libs ${target} LINK_LIBRARIES) 1064 set(link_libs ${new_libs}) 1065 while(NOT "${new_libs}" STREQUAL "") 1066 foreach(lib ${new_libs}) 1067 if(TARGET ${lib}) 1068 get_target_property(lib_type ${lib} TYPE) 1069 if("${lib_type}" STREQUAL "STATIC_LIBRARY") 1070 list(APPEND static_libs ${lib}) 1071 else() 1072 list(APPEND other_libs ${lib}) 1073 endif() 1074 get_target_property(transitive_libs ${lib} INTERFACE_LINK_LIBRARIES) 1075 foreach(transitive_lib ${transitive_libs}) 1076 list(FIND link_libs ${transitive_lib} idx) 1077 if(TARGET ${transitive_lib} AND idx EQUAL -1) 1078 list(APPEND newer_libs ${transitive_lib}) 1079 list(APPEND link_libs ${transitive_lib}) 1080 endif() 1081 endforeach(transitive_lib) 1082 endif() 1083 endforeach(lib) 1084 set(new_libs ${newer_libs}) 1085 set(newer_libs "") 1086 endwhile() 1087 list(REMOVE_DUPLICATES static_libs) 1088 if (MSVC) 1089 set(mangling microsoft) 1090 else() 1091 set(mangling itanium) 1092 endif() 1093 add_custom_command(OUTPUT ${exported_symbol_file} 1094 COMMAND "${Python3_EXECUTABLE}" ${LLVM_MAIN_SRC_DIR}/utils/extract_symbols.py --mangling=${mangling} ${static_libs} -o ${exported_symbol_file} 1095 WORKING_DIRECTORY ${LLVM_LIBRARY_OUTPUT_INTDIR} 1096 DEPENDS ${LLVM_MAIN_SRC_DIR}/utils/extract_symbols.py ${static_libs} 1097 VERBATIM 1098 COMMENT "Generating export list for ${target}") 1099 add_llvm_symbol_exports( ${target} ${exported_symbol_file} ) 1100 # If something links against this executable then we want a 1101 # transitive link against only the libraries whose symbols 1102 # we aren't exporting. 1103 set_target_properties(${target} PROPERTIES INTERFACE_LINK_LIBRARIES "${other_libs}") 1104 # The default import library suffix that cmake uses for cygwin/mingw is 1105 # ".dll.a", but for clang.exe that causes a collision with libclang.dll, 1106 # where the import libraries of both get named libclang.dll.a. Use a suffix 1107 # of ".exe.a" to avoid this. 1108 if(CYGWIN OR MINGW) 1109 set_target_properties(${target} PROPERTIES IMPORT_SUFFIX ".exe.a") 1110 endif() 1111 elseif(NOT (WIN32 OR CYGWIN)) 1112 # On Windows auto-exporting everything doesn't work because of the limit on 1113 # the size of the exported symbol table, but on other platforms we can do 1114 # it without any trouble. 1115 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 1116 if (APPLE) 1117 set_property(TARGET ${target} APPEND_STRING PROPERTY 1118 LINK_FLAGS " -rdynamic") 1119 endif() 1120 endif() 1121endfunction() 1122 1123# Export symbols if LLVM plugins are enabled. 1124function(export_executable_symbols_for_plugins target) 1125 if(LLVM_ENABLE_PLUGINS OR LLVM_EXPORT_SYMBOLS_FOR_PLUGINS) 1126 export_executable_symbols(${target}) 1127 endif() 1128endfunction() 1129 1130if(NOT LLVM_TOOLCHAIN_TOOLS) 1131 set (LLVM_TOOLCHAIN_TOOLS 1132 llvm-ar 1133 llvm-cov 1134 llvm-cxxfilt 1135 llvm-ranlib 1136 llvm-lib 1137 llvm-nm 1138 llvm-objcopy 1139 llvm-objdump 1140 llvm-rc 1141 llvm-size 1142 llvm-strings 1143 llvm-strip 1144 llvm-profdata 1145 llvm-symbolizer 1146 # symlink version of some of above tools that are enabled by 1147 # LLVM_INSTALL_BINUTILS_SYMLINKS. 1148 addr2line 1149 ar 1150 c++filt 1151 ranlib 1152 nm 1153 objcopy 1154 objdump 1155 size 1156 strings 1157 strip 1158 ) 1159endif() 1160 1161macro(add_llvm_tool name) 1162 if( NOT LLVM_BUILD_TOOLS ) 1163 set(EXCLUDE_FROM_ALL ON) 1164 endif() 1165 add_llvm_executable(${name} ${ARGN}) 1166 1167 if ( ${name} IN_LIST LLVM_TOOLCHAIN_TOOLS OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 1168 if( LLVM_BUILD_TOOLS ) 1169 set(export_to_llvmexports) 1170 if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR 1171 NOT LLVM_DISTRIBUTION_COMPONENTS) 1172 set(export_to_llvmexports EXPORT LLVMExports) 1173 set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True) 1174 endif() 1175 1176 install(TARGETS ${name} 1177 ${export_to_llvmexports} 1178 RUNTIME DESTINATION ${LLVM_TOOLS_INSTALL_DIR} 1179 COMPONENT ${name}) 1180 1181 if (NOT LLVM_ENABLE_IDE) 1182 add_llvm_install_targets(install-${name} 1183 DEPENDS ${name} 1184 COMPONENT ${name}) 1185 endif() 1186 endif() 1187 endif() 1188 if( LLVM_BUILD_TOOLS ) 1189 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 1190 endif() 1191 set_target_properties(${name} PROPERTIES FOLDER "Tools") 1192endmacro(add_llvm_tool name) 1193 1194 1195macro(add_llvm_example name) 1196 if( NOT LLVM_BUILD_EXAMPLES ) 1197 set(EXCLUDE_FROM_ALL ON) 1198 endif() 1199 add_llvm_executable(${name} ${ARGN}) 1200 if( LLVM_BUILD_EXAMPLES ) 1201 install(TARGETS ${name} RUNTIME DESTINATION examples) 1202 endif() 1203 set_target_properties(${name} PROPERTIES FOLDER "Examples") 1204endmacro(add_llvm_example name) 1205 1206macro(add_llvm_example_library name) 1207 if( NOT LLVM_BUILD_EXAMPLES ) 1208 set(EXCLUDE_FROM_ALL ON) 1209 add_llvm_library(${name} BUILDTREE_ONLY ${ARGN}) 1210 else() 1211 add_llvm_library(${name} ${ARGN}) 1212 endif() 1213 1214 set_target_properties(${name} PROPERTIES FOLDER "Examples") 1215endmacro(add_llvm_example_library name) 1216 1217# This is a macro that is used to create targets for executables that are needed 1218# for development, but that are not intended to be installed by default. 1219macro(add_llvm_utility name) 1220 if ( NOT LLVM_BUILD_UTILS ) 1221 set(EXCLUDE_FROM_ALL ON) 1222 endif() 1223 1224 add_llvm_executable(${name} DISABLE_LLVM_LINK_LLVM_DYLIB ${ARGN}) 1225 set_target_properties(${name} PROPERTIES FOLDER "Utils") 1226 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 1227 if (LLVM_INSTALL_UTILS AND LLVM_BUILD_UTILS) 1228 set(export_to_llvmexports) 1229 if (${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR 1230 NOT LLVM_DISTRIBUTION_COMPONENTS) 1231 set(export_to_llvmexports EXPORT LLVMExports) 1232 set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True) 1233 endif() 1234 1235 install(TARGETS ${name} 1236 ${export_to_llvmexports} 1237 RUNTIME DESTINATION ${LLVM_UTILS_INSTALL_DIR} 1238 COMPONENT ${name}) 1239 1240 if (NOT LLVM_ENABLE_IDE) 1241 add_llvm_install_targets(install-${name} 1242 DEPENDS ${name} 1243 COMPONENT ${name}) 1244 endif() 1245 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 1246 elseif(LLVM_BUILD_UTILS) 1247 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS_BUILDTREE_ONLY ${name}) 1248 endif() 1249 endif() 1250endmacro(add_llvm_utility name) 1251 1252macro(add_llvm_fuzzer name) 1253 cmake_parse_arguments(ARG "" "DUMMY_MAIN" "" ${ARGN}) 1254 if( LLVM_LIB_FUZZING_ENGINE ) 1255 set(LLVM_OPTIONAL_SOURCES ${ARG_DUMMY_MAIN}) 1256 add_llvm_executable(${name} ${ARG_UNPARSED_ARGUMENTS}) 1257 target_link_libraries(${name} PRIVATE ${LLVM_LIB_FUZZING_ENGINE}) 1258 set_target_properties(${name} PROPERTIES FOLDER "Fuzzers") 1259 elseif( LLVM_USE_SANITIZE_COVERAGE ) 1260 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=fuzzer") 1261 set(LLVM_OPTIONAL_SOURCES ${ARG_DUMMY_MAIN}) 1262 add_llvm_executable(${name} ${ARG_UNPARSED_ARGUMENTS}) 1263 set_target_properties(${name} PROPERTIES FOLDER "Fuzzers") 1264 elseif( ARG_DUMMY_MAIN ) 1265 add_llvm_executable(${name} ${ARG_DUMMY_MAIN} ${ARG_UNPARSED_ARGUMENTS}) 1266 set_target_properties(${name} PROPERTIES FOLDER "Fuzzers") 1267 endif() 1268endmacro() 1269 1270macro(add_llvm_target target_name) 1271 include_directories(BEFORE 1272 ${CMAKE_CURRENT_BINARY_DIR} 1273 ${CMAKE_CURRENT_SOURCE_DIR}) 1274 add_llvm_component_library(LLVM${target_name} ${ARGN}) 1275 set( CURRENT_LLVM_TARGET LLVM${target_name} ) 1276endmacro(add_llvm_target) 1277 1278function(canonicalize_tool_name name output) 1279 string(REPLACE "${CMAKE_CURRENT_SOURCE_DIR}/" "" nameStrip ${name}) 1280 string(REPLACE "-" "_" nameUNDERSCORE ${nameStrip}) 1281 string(TOUPPER ${nameUNDERSCORE} nameUPPER) 1282 set(${output} "${nameUPPER}" PARENT_SCOPE) 1283endfunction(canonicalize_tool_name) 1284 1285# Custom add_subdirectory wrapper 1286# Takes in a project name (i.e. LLVM), the subdirectory name, and an optional 1287# path if it differs from the name. 1288function(add_llvm_subdirectory project type name) 1289 set(add_llvm_external_dir "${ARGN}") 1290 if("${add_llvm_external_dir}" STREQUAL "") 1291 set(add_llvm_external_dir ${name}) 1292 endif() 1293 canonicalize_tool_name(${name} nameUPPER) 1294 set(canonical_full_name ${project}_${type}_${nameUPPER}) 1295 get_property(already_processed GLOBAL PROPERTY ${canonical_full_name}_PROCESSED) 1296 if(already_processed) 1297 return() 1298 endif() 1299 set_property(GLOBAL PROPERTY ${canonical_full_name}_PROCESSED YES) 1300 1301 if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}/CMakeLists.txt) 1302 # Treat it as in-tree subproject. 1303 option(${canonical_full_name}_BUILD 1304 "Whether to build ${name} as part of ${project}" On) 1305 mark_as_advanced(${project}_${type}_${name}_BUILD) 1306 if(${canonical_full_name}_BUILD) 1307 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir} ${add_llvm_external_dir}) 1308 endif() 1309 else() 1310 set(LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR 1311 "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" 1312 CACHE PATH "Path to ${name} source directory") 1313 set(${canonical_full_name}_BUILD_DEFAULT ON) 1314 if(NOT LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR OR NOT EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}) 1315 set(${canonical_full_name}_BUILD_DEFAULT OFF) 1316 endif() 1317 if("${LLVM_EXTERNAL_${nameUPPER}_BUILD}" STREQUAL "OFF") 1318 set(${canonical_full_name}_BUILD_DEFAULT OFF) 1319 endif() 1320 option(${canonical_full_name}_BUILD 1321 "Whether to build ${name} as part of LLVM" 1322 ${${canonical_full_name}_BUILD_DEFAULT}) 1323 if (${canonical_full_name}_BUILD) 1324 if(EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}) 1325 add_subdirectory(${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} ${add_llvm_external_dir}) 1326 elseif(NOT "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" STREQUAL "") 1327 message(WARNING "Nonexistent directory for ${name}: ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}") 1328 endif() 1329 endif() 1330 endif() 1331endfunction() 1332 1333# Add external project that may want to be built as part of llvm such as Clang, 1334# lld, and Polly. This adds two options. One for the source directory of the 1335# project, which defaults to ${CMAKE_CURRENT_SOURCE_DIR}/${name}. Another to 1336# enable or disable building it with everything else. 1337# Additional parameter can be specified as the name of directory. 1338macro(add_llvm_external_project name) 1339 add_llvm_subdirectory(LLVM TOOL ${name} ${ARGN}) 1340endmacro() 1341 1342macro(add_llvm_tool_subdirectory name) 1343 add_llvm_external_project(${name}) 1344endmacro(add_llvm_tool_subdirectory) 1345 1346function(get_project_name_from_src_var var output) 1347 string(REGEX MATCH "LLVM_EXTERNAL_(.*)_SOURCE_DIR" 1348 MACHED_TOOL "${var}") 1349 if(MACHED_TOOL) 1350 set(${output} ${CMAKE_MATCH_1} PARENT_SCOPE) 1351 else() 1352 set(${output} PARENT_SCOPE) 1353 endif() 1354endfunction() 1355 1356function(create_subdirectory_options project type) 1357 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") 1358 foreach(dir ${sub-dirs}) 1359 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt") 1360 canonicalize_tool_name(${dir} name) 1361 option(${project}_${type}_${name}_BUILD 1362 "Whether to build ${name} as part of ${project}" On) 1363 mark_as_advanced(${project}_${type}_${name}_BUILD) 1364 endif() 1365 endforeach() 1366endfunction(create_subdirectory_options) 1367 1368function(create_llvm_tool_options) 1369 create_subdirectory_options(LLVM TOOL) 1370endfunction(create_llvm_tool_options) 1371 1372function(llvm_add_implicit_projects project) 1373 set(list_of_implicit_subdirs "") 1374 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") 1375 foreach(dir ${sub-dirs}) 1376 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt") 1377 canonicalize_tool_name(${dir} name) 1378 if (${project}_TOOL_${name}_BUILD) 1379 get_filename_component(fn "${dir}" NAME) 1380 list(APPEND list_of_implicit_subdirs "${fn}") 1381 endif() 1382 endif() 1383 endforeach() 1384 1385 foreach(external_proj ${list_of_implicit_subdirs}) 1386 add_llvm_subdirectory(${project} TOOL "${external_proj}" ${ARGN}) 1387 endforeach() 1388endfunction(llvm_add_implicit_projects) 1389 1390function(add_llvm_implicit_projects) 1391 llvm_add_implicit_projects(LLVM) 1392endfunction(add_llvm_implicit_projects) 1393 1394# Generic support for adding a unittest. 1395function(add_unittest test_suite test_name) 1396 if( NOT LLVM_BUILD_TESTS ) 1397 set(EXCLUDE_FROM_ALL ON) 1398 endif() 1399 1400 # Our current version of gtest does not properly recognize C++11 support 1401 # with MSVC, so it falls back to tr1 / experimental classes. Since LLVM 1402 # itself requires C++11, we can safely force it on unconditionally so that 1403 # we don't have to fight with the buggy gtest check. 1404 add_definitions(-DGTEST_LANG_CXX11=1) 1405 add_definitions(-DGTEST_HAS_TR1_TUPLE=0) 1406 1407 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include) 1408 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googlemock/include) 1409 if (NOT LLVM_ENABLE_THREADS) 1410 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_PTHREAD=0) 1411 endif () 1412 1413 if (SUPPORTS_VARIADIC_MACROS_FLAG) 1414 list(APPEND LLVM_COMPILE_FLAGS "-Wno-variadic-macros") 1415 endif () 1416 # Some parts of gtest rely on this GNU extension, don't warn on it. 1417 if(SUPPORTS_GNU_ZERO_VARIADIC_MACRO_ARGUMENTS_FLAG) 1418 list(APPEND LLVM_COMPILE_FLAGS "-Wno-gnu-zero-variadic-macro-arguments") 1419 endif() 1420 1421 set(LLVM_REQUIRES_RTTI OFF) 1422 1423 list(APPEND LLVM_LINK_COMPONENTS Support) # gtest needs it for raw_ostream 1424 add_llvm_executable(${test_name} IGNORE_EXTERNALIZE_DEBUGINFO NO_INSTALL_RPATH ${ARGN}) 1425 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}) 1426 set_output_directory(${test_name} BINARY_DIR ${outdir} LIBRARY_DIR ${outdir}) 1427 # libpthreads overrides some standard library symbols, so main 1428 # executable must be linked with it in order to provide consistent 1429 # API for all shared libaries loaded by this executable. 1430 target_link_libraries(${test_name} PRIVATE gtest_main gtest ${LLVM_PTHREAD_LIB}) 1431 1432 add_dependencies(${test_suite} ${test_name}) 1433 get_target_property(test_suite_folder ${test_suite} FOLDER) 1434 if (test_suite_folder) 1435 set_property(TARGET ${test_name} PROPERTY FOLDER "${test_suite_folder}") 1436 endif () 1437endfunction() 1438 1439# Use for test binaries that call llvm::getInputFileDirectory(). Use of this 1440# is discouraged. 1441function(add_unittest_with_input_files test_suite test_name) 1442 set(LLVM_UNITTEST_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}) 1443 configure_file( 1444 ${LLVM_MAIN_SRC_DIR}/unittests/unittest.cfg.in 1445 ${CMAKE_CURRENT_BINARY_DIR}/llvm.srcdir.txt) 1446 1447 add_unittest(${test_suite} ${test_name} ${ARGN}) 1448endfunction() 1449 1450# Generic support for adding a benchmark. 1451function(add_benchmark benchmark_name) 1452 if( NOT LLVM_BUILD_BENCHMARKS ) 1453 set(EXCLUDE_FROM_ALL ON) 1454 endif() 1455 1456 add_llvm_executable(${benchmark_name} IGNORE_EXTERNALIZE_DEBUGINFO NO_INSTALL_RPATH ${ARGN}) 1457 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}) 1458 set_output_directory(${benchmark_name} BINARY_DIR ${outdir} LIBRARY_DIR ${outdir}) 1459 set_property(TARGET ${benchmark_name} PROPERTY FOLDER "Utils") 1460 target_link_libraries(${benchmark_name} PRIVATE benchmark) 1461endfunction() 1462 1463# This function canonicalize the CMake variables passed by names 1464# from CMake boolean to 0/1 suitable for passing into Python or C++, 1465# in place. 1466function(llvm_canonicalize_cmake_booleans) 1467 foreach(var ${ARGN}) 1468 if(${var}) 1469 set(${var} 1 PARENT_SCOPE) 1470 else() 1471 set(${var} 0 PARENT_SCOPE) 1472 endif() 1473 endforeach() 1474endfunction(llvm_canonicalize_cmake_booleans) 1475 1476macro(set_llvm_build_mode) 1477 # Configuration-time: See Unit/lit.site.cfg.in 1478 if (CMAKE_CFG_INTDIR STREQUAL ".") 1479 set(LLVM_BUILD_MODE ".") 1480 else () 1481 set(LLVM_BUILD_MODE "%(build_mode)s") 1482 endif () 1483endmacro() 1484 1485# Takes a list of path names in pathlist and a base directory, and returns 1486# a list of paths relative to the base directory in out_pathlist. 1487# Paths that are on a different drive than the basedir (on Windows) or that 1488# contain symlinks are returned absolute. 1489# Use with LLVM_LIT_PATH_FUNCTION below. 1490function(make_paths_relative out_pathlist basedir pathlist) 1491 # Passing ARG_PATH_VALUES as-is to execute_process() makes cmake strip 1492 # empty list entries. So escape the ;s in the list and do the splitting 1493 # ourselves. cmake has no relpath function, so use Python for that. 1494 string(REPLACE ";" "\\;" pathlist_escaped "${pathlist}") 1495 execute_process(COMMAND "${Python3_EXECUTABLE}" "-c" "\n 1496import os, sys\n 1497base = sys.argv[1] 1498def haslink(p):\n 1499 if not p or p == os.path.dirname(p): return False\n 1500 return os.path.islink(p) or haslink(os.path.dirname(p))\n 1501def relpath(p):\n 1502 if not p: return ''\n 1503 if os.path.splitdrive(p)[0] != os.path.splitdrive(base)[0]: return p\n 1504 if haslink(p) or haslink(base): return p\n 1505 return os.path.relpath(p, base)\n 1506sys.stdout.write(';'.join(relpath(p) for p in sys.argv[2].split(';')))" 1507 ${basedir} 1508 ${pathlist_escaped} 1509 OUTPUT_VARIABLE pathlist_relative) 1510 set(${out_pathlist} "${pathlist_relative}" PARENT_SCOPE) 1511endfunction() 1512 1513# Converts a file that's relative to the current python file to an absolute 1514# path. Since this uses __file__, it has to be emitted into python files that 1515# use it and can't be in a lit module. Use with make_paths_relative(). 1516string(CONCAT LLVM_LIT_PATH_FUNCTION 1517 "# Allow generated file to be relocatable.\n" 1518 "def path(p):\n" 1519 " if not p: return ''\n" 1520 " return os.path.join(os.path.dirname(os.path.abspath(__file__)), p)\n" 1521 ) 1522 1523# This function provides an automatic way to 'configure'-like generate a file 1524# based on a set of common and custom variables, specifically targeting the 1525# variables needed for the 'lit.site.cfg' files. This function bundles the 1526# common variables that any Lit instance is likely to need, and custom 1527# variables can be passed in. 1528# The keyword PATHS is followed by a list of cmake variable names that are 1529# mentioned as `path("@varname@")` in the lit.cfg.py.in file. Variables in that 1530# list are treated as paths that are relative to the directory the generated 1531# lit.cfg.py file is in, and the `path()` function converts the relative 1532# path back to absolute form. This makes it possible to move a build directory 1533# containing lit.cfg.py files from one machine to another. 1534function(configure_lit_site_cfg site_in site_out) 1535 cmake_parse_arguments(ARG "" "" "MAIN_CONFIG;OUTPUT_MAPPING;PATHS" ${ARGN}) 1536 1537 if ("${ARG_MAIN_CONFIG}" STREQUAL "") 1538 get_filename_component(INPUT_DIR ${site_in} DIRECTORY) 1539 set(ARG_MAIN_CONFIG "${INPUT_DIR}/lit.cfg") 1540 endif() 1541 if ("${ARG_OUTPUT_MAPPING}" STREQUAL "") 1542 set(ARG_OUTPUT_MAPPING "${site_out}") 1543 endif() 1544 1545 foreach(c ${LLVM_TARGETS_TO_BUILD}) 1546 set(TARGETS_BUILT "${TARGETS_BUILT} ${c}") 1547 endforeach(c) 1548 set(TARGETS_TO_BUILD ${TARGETS_BUILT}) 1549 1550 set(SHLIBEXT "${LTDL_SHLIB_EXT}") 1551 1552 set_llvm_build_mode() 1553 1554 # They below might not be the build tree but provided binary tree. 1555 set(LLVM_SOURCE_DIR ${LLVM_MAIN_SRC_DIR}) 1556 set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR}) 1557 string(REPLACE "${CMAKE_CFG_INTDIR}" "${LLVM_BUILD_MODE}" LLVM_TOOLS_DIR "${LLVM_TOOLS_BINARY_DIR}") 1558 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_LIBS_DIR "${LLVM_LIBRARY_DIR}") 1559 1560 # SHLIBDIR points the build tree. 1561 string(REPLACE "${CMAKE_CFG_INTDIR}" "${LLVM_BUILD_MODE}" SHLIBDIR "${LLVM_SHLIB_OUTPUT_INTDIR}") 1562 1563 # FIXME: "ENABLE_SHARED" doesn't make sense, since it is used just for 1564 # plugins. We may rename it. 1565 if(LLVM_ENABLE_PLUGINS) 1566 set(ENABLE_SHARED "1") 1567 else() 1568 set(ENABLE_SHARED "0") 1569 endif() 1570 1571 if(LLVM_ENABLE_ASSERTIONS AND NOT MSVC_IDE) 1572 set(ENABLE_ASSERTIONS "1") 1573 else() 1574 set(ENABLE_ASSERTIONS "0") 1575 endif() 1576 1577 set(HOST_OS ${CMAKE_SYSTEM_NAME}) 1578 set(HOST_ARCH ${CMAKE_SYSTEM_PROCESSOR}) 1579 1580 set(HOST_CC "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}") 1581 set(HOST_CXX "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}") 1582 set(HOST_LDFLAGS "${CMAKE_EXE_LINKER_FLAGS}") 1583 1584 string(CONCAT LIT_SITE_CFG_IN_HEADER 1585 "# Autogenerated from ${site_in}\n# Do not edit!\n\n" 1586 "${LLVM_LIT_PATH_FUNCTION}" 1587 ) 1588 1589 # Override config_target_triple (and the env) 1590 if(LLVM_TARGET_TRIPLE_ENV) 1591 # This is expanded into the heading. 1592 string(CONCAT LIT_SITE_CFG_IN_HEADER "${LIT_SITE_CFG_IN_HEADER}" 1593 "import os\n" 1594 "target_env = \"${LLVM_TARGET_TRIPLE_ENV}\"\n" 1595 "config.target_triple = config.environment[target_env] = os.environ.get(target_env, \"${TARGET_TRIPLE}\")\n" 1596 ) 1597 1598 # This is expanded to; config.target_triple = ""+config.target_triple+"" 1599 set(TARGET_TRIPLE "\"+config.target_triple+\"") 1600 endif() 1601 1602 if (ARG_PATHS) 1603 # Walk ARG_PATHS and collect the current value of the variables in there. 1604 # list(APPEND) ignores empty elements exactly if the list is empty, 1605 # so start the list with a dummy element and drop it, to make sure that 1606 # even empty values make it into the values list. 1607 set(ARG_PATH_VALUES "dummy") 1608 foreach(path ${ARG_PATHS}) 1609 list(APPEND ARG_PATH_VALUES "${${path}}") 1610 endforeach() 1611 list(REMOVE_AT ARG_PATH_VALUES 0) 1612 1613 get_filename_component(OUTPUT_DIR ${site_out} DIRECTORY) 1614 make_paths_relative( 1615 ARG_PATH_VALUES_RELATIVE "${OUTPUT_DIR}" "${ARG_PATH_VALUES}") 1616 1617 list(LENGTH ARG_PATHS len_paths) 1618 list(LENGTH ARG_PATH_VALUES len_path_values) 1619 list(LENGTH ARG_PATH_VALUES_RELATIVE len_path_value_rels) 1620 if ((NOT ${len_paths} EQUAL ${len_path_values}) OR 1621 (NOT ${len_paths} EQUAL ${len_path_value_rels})) 1622 message(SEND_ERROR "PATHS lengths got confused") 1623 endif() 1624 1625 # Transform variables mentioned in ARG_PATHS to relative paths for 1626 # the configure_file() call. Variables are copied to subscopeds by cmake, 1627 # so this only modifies the local copy of the variables. 1628 math(EXPR arg_path_limit "${len_paths} - 1") 1629 foreach(i RANGE ${arg_path_limit}) 1630 list(GET ARG_PATHS ${i} val1) 1631 list(GET ARG_PATH_VALUES_RELATIVE ${i} val2) 1632 set(${val1} ${val2}) 1633 endforeach() 1634 endif() 1635 1636 configure_file(${site_in} ${site_out} @ONLY) 1637 1638 if (EXISTS "${ARG_MAIN_CONFIG}") 1639 # Remember main config / generated site config for llvm-lit.in. 1640 get_property(LLVM_LIT_CONFIG_FILES GLOBAL PROPERTY LLVM_LIT_CONFIG_FILES) 1641 list(APPEND LLVM_LIT_CONFIG_FILES "${ARG_MAIN_CONFIG}" "${site_out}") 1642 set_property(GLOBAL PROPERTY LLVM_LIT_CONFIG_FILES ${LLVM_LIT_CONFIG_FILES}) 1643 endif() 1644endfunction() 1645 1646function(dump_all_cmake_variables) 1647 get_cmake_property(_variableNames VARIABLES) 1648 foreach (_variableName ${_variableNames}) 1649 message(STATUS "${_variableName}=${${_variableName}}") 1650 endforeach() 1651endfunction() 1652 1653function(get_llvm_lit_path base_dir file_name) 1654 cmake_parse_arguments(ARG "ALLOW_EXTERNAL" "" "" ${ARGN}) 1655 1656 if (ARG_ALLOW_EXTERNAL) 1657 set (LLVM_EXTERNAL_LIT "" CACHE STRING "Command used to spawn lit") 1658 if ("${LLVM_EXTERNAL_LIT}" STREQUAL "") 1659 set(LLVM_EXTERNAL_LIT "${LLVM_DEFAULT_EXTERNAL_LIT}") 1660 endif() 1661 1662 if (NOT "${LLVM_EXTERNAL_LIT}" STREQUAL "") 1663 if (EXISTS ${LLVM_EXTERNAL_LIT}) 1664 get_filename_component(LIT_FILE_NAME ${LLVM_EXTERNAL_LIT} NAME) 1665 get_filename_component(LIT_BASE_DIR ${LLVM_EXTERNAL_LIT} DIRECTORY) 1666 set(${file_name} ${LIT_FILE_NAME} PARENT_SCOPE) 1667 set(${base_dir} ${LIT_BASE_DIR} PARENT_SCOPE) 1668 return() 1669 else() 1670 message(WARNING "LLVM_EXTERNAL_LIT set to ${LLVM_EXTERNAL_LIT}, but the path does not exist.") 1671 endif() 1672 endif() 1673 endif() 1674 1675 set(lit_file_name "llvm-lit") 1676 if (CMAKE_HOST_WIN32 AND NOT CYGWIN) 1677 # llvm-lit needs suffix.py for multiprocess to find a main module. 1678 set(lit_file_name "${lit_file_name}.py") 1679 endif () 1680 set(${file_name} ${lit_file_name} PARENT_SCOPE) 1681 1682 get_property(LLVM_LIT_BASE_DIR GLOBAL PROPERTY LLVM_LIT_BASE_DIR) 1683 if (NOT "${LLVM_LIT_BASE_DIR}" STREQUAL "") 1684 set(${base_dir} ${LLVM_LIT_BASE_DIR} PARENT_SCOPE) 1685 endif() 1686 1687 # Allow individual projects to provide an override 1688 if (NOT "${LLVM_LIT_OUTPUT_DIR}" STREQUAL "") 1689 set(LLVM_LIT_BASE_DIR ${LLVM_LIT_OUTPUT_DIR}) 1690 elseif(NOT "${LLVM_RUNTIME_OUTPUT_INTDIR}" STREQUAL "") 1691 set(LLVM_LIT_BASE_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR}) 1692 else() 1693 set(LLVM_LIT_BASE_DIR "") 1694 endif() 1695 1696 # Cache this so we don't have to do it again and have subsequent calls 1697 # potentially disagree on the value. 1698 set_property(GLOBAL PROPERTY LLVM_LIT_BASE_DIR ${LLVM_LIT_BASE_DIR}) 1699 set(${base_dir} ${LLVM_LIT_BASE_DIR} PARENT_SCOPE) 1700endfunction() 1701 1702# A raw function to create a lit target. This is used to implement the testuite 1703# management functions. 1704function(add_lit_target target comment) 1705 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1706 set(LIT_ARGS "${ARG_ARGS} ${LLVM_LIT_ARGS}") 1707 separate_arguments(LIT_ARGS) 1708 if (NOT CMAKE_CFG_INTDIR STREQUAL ".") 1709 list(APPEND LIT_ARGS --param build_mode=${CMAKE_CFG_INTDIR}) 1710 endif () 1711 1712 # Get the path to the lit to *run* tests with. This can be overriden by 1713 # the user by specifying -DLLVM_EXTERNAL_LIT=<path-to-lit.py> 1714 get_llvm_lit_path( 1715 lit_base_dir 1716 lit_file_name 1717 ALLOW_EXTERNAL 1718 ) 1719 1720 set(LIT_COMMAND "${Python3_EXECUTABLE};${lit_base_dir}/${lit_file_name}") 1721 list(APPEND LIT_COMMAND ${LIT_ARGS}) 1722 foreach(param ${ARG_PARAMS}) 1723 list(APPEND LIT_COMMAND --param ${param}) 1724 endforeach() 1725 if (ARG_UNPARSED_ARGUMENTS) 1726 add_custom_target(${target} 1727 COMMAND ${LIT_COMMAND} ${ARG_UNPARSED_ARGUMENTS} 1728 COMMENT "${comment}" 1729 USES_TERMINAL 1730 ) 1731 else() 1732 add_custom_target(${target} 1733 COMMAND ${CMAKE_COMMAND} -E echo "${target} does nothing, no tools built.") 1734 message(STATUS "${target} does nothing.") 1735 endif() 1736 1737 if (ARG_DEPENDS) 1738 add_dependencies(${target} ${ARG_DEPENDS}) 1739 endif() 1740 1741 # Tests should be excluded from "Build Solution". 1742 set_target_properties(${target} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD ON) 1743endfunction() 1744 1745# A function to add a set of lit test suites to be driven through 'check-*' targets. 1746function(add_lit_testsuite target comment) 1747 cmake_parse_arguments(ARG "EXCLUDE_FROM_CHECK_ALL" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1748 1749 # EXCLUDE_FROM_ALL excludes the test ${target} out of check-all. 1750 if(NOT ARG_EXCLUDE_FROM_CHECK_ALL) 1751 # Register the testsuites, params and depends for the global check rule. 1752 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_TESTSUITES ${ARG_UNPARSED_ARGUMENTS}) 1753 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_PARAMS ${ARG_PARAMS}) 1754 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_DEPENDS ${ARG_DEPENDS}) 1755 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_EXTRA_ARGS ${ARG_ARGS}) 1756 endif() 1757 1758 # Produce a specific suffixed check rule. 1759 add_lit_target(${target} ${comment} 1760 ${ARG_UNPARSED_ARGUMENTS} 1761 PARAMS ${ARG_PARAMS} 1762 DEPENDS ${ARG_DEPENDS} 1763 ARGS ${ARG_ARGS} 1764 ) 1765endfunction() 1766 1767function(add_lit_testsuites project directory) 1768 if (NOT LLVM_ENABLE_IDE) 1769 cmake_parse_arguments(ARG "EXCLUDE_FROM_CHECK_ALL" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1770 1771 # Search recursively for test directories by assuming anything not 1772 # in a directory called Inputs contains tests. 1773 file(GLOB_RECURSE to_process LIST_DIRECTORIES true ${directory}/*) 1774 foreach(lit_suite ${to_process}) 1775 if(NOT IS_DIRECTORY ${lit_suite}) 1776 continue() 1777 endif() 1778 string(FIND ${lit_suite} Inputs is_inputs) 1779 string(FIND ${lit_suite} Output is_output) 1780 if (NOT (is_inputs EQUAL -1 AND is_output EQUAL -1)) 1781 continue() 1782 endif() 1783 1784 # Create a check- target for the directory. 1785 string(REPLACE ${directory} "" name_slash ${lit_suite}) 1786 if (name_slash) 1787 string(REPLACE "/" "-" name_slash ${name_slash}) 1788 string(REPLACE "\\" "-" name_dashes ${name_slash}) 1789 string(TOLOWER "${project}${name_dashes}" name_var) 1790 add_lit_target("check-${name_var}" "Running lit suite ${lit_suite}" 1791 ${lit_suite} 1792 ${EXCLUDE_FROM_CHECK_ALL} 1793 PARAMS ${ARG_PARAMS} 1794 DEPENDS ${ARG_DEPENDS} 1795 ARGS ${ARG_ARGS} 1796 ) 1797 endif() 1798 endforeach() 1799 endif() 1800endfunction() 1801 1802function(llvm_install_library_symlink name dest type) 1803 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "COMPONENT" "" ${ARGN}) 1804 foreach(path ${CMAKE_MODULE_PATH}) 1805 if(EXISTS ${path}/LLVMInstallSymlink.cmake) 1806 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake) 1807 break() 1808 endif() 1809 endforeach() 1810 1811 set(component ${ARG_COMPONENT}) 1812 if(NOT component) 1813 set(component ${name}) 1814 endif() 1815 1816 set(full_name ${CMAKE_${type}_LIBRARY_PREFIX}${name}${CMAKE_${type}_LIBRARY_SUFFIX}) 1817 set(full_dest ${CMAKE_${type}_LIBRARY_PREFIX}${dest}${CMAKE_${type}_LIBRARY_SUFFIX}) 1818 1819 set(output_dir lib${LLVM_LIBDIR_SUFFIX}) 1820 if(WIN32 AND "${type}" STREQUAL "SHARED") 1821 set(output_dir bin) 1822 endif() 1823 1824 install(SCRIPT ${INSTALL_SYMLINK} 1825 CODE "install_symlink(${full_name} ${full_dest} ${output_dir})" 1826 COMPONENT ${component}) 1827 1828 if (NOT LLVM_ENABLE_IDE AND NOT ARG_ALWAYS_GENERATE) 1829 add_llvm_install_targets(install-${name} 1830 DEPENDS ${name} ${dest} 1831 COMPONENT ${name} 1832 SYMLINK ${dest}) 1833 endif() 1834endfunction() 1835 1836function(llvm_install_symlink name dest) 1837 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "COMPONENT" "" ${ARGN}) 1838 foreach(path ${CMAKE_MODULE_PATH}) 1839 if(EXISTS ${path}/LLVMInstallSymlink.cmake) 1840 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake) 1841 break() 1842 endif() 1843 endforeach() 1844 1845 if(ARG_COMPONENT) 1846 set(component ${ARG_COMPONENT}) 1847 else() 1848 if(ARG_ALWAYS_GENERATE) 1849 set(component ${dest}) 1850 else() 1851 set(component ${name}) 1852 endif() 1853 endif() 1854 1855 set(full_name ${name}${CMAKE_EXECUTABLE_SUFFIX}) 1856 set(full_dest ${dest}${CMAKE_EXECUTABLE_SUFFIX}) 1857 1858 install(SCRIPT ${INSTALL_SYMLINK} 1859 CODE "install_symlink(${full_name} ${full_dest} ${LLVM_TOOLS_INSTALL_DIR})" 1860 COMPONENT ${component}) 1861 1862 if (NOT LLVM_ENABLE_IDE AND NOT ARG_ALWAYS_GENERATE) 1863 add_llvm_install_targets(install-${name} 1864 DEPENDS ${name} ${dest} 1865 COMPONENT ${name} 1866 SYMLINK ${dest}) 1867 endif() 1868endfunction() 1869 1870function(add_llvm_tool_symlink link_name target) 1871 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "OUTPUT_DIR" "" ${ARGN}) 1872 set(dest_binary "$<TARGET_FILE:${target}>") 1873 1874 # This got a bit gross... For multi-configuration generators the target 1875 # properties return the resolved value of the string, not the build system 1876 # expression. To reconstruct the platform-agnostic path we have to do some 1877 # magic. First we grab one of the types, and a type-specific path. Then from 1878 # the type-specific path we find the last occurrence of the type in the path, 1879 # and replace it with CMAKE_CFG_INTDIR. This allows the build step to be type 1880 # agnostic again. 1881 if(NOT ARG_OUTPUT_DIR) 1882 # If you're not overriding the OUTPUT_DIR, we can make the link relative in 1883 # the same directory. 1884 if(CMAKE_HOST_UNIX) 1885 set(dest_binary "$<TARGET_FILE_NAME:${target}>") 1886 endif() 1887 if(CMAKE_CONFIGURATION_TYPES) 1888 list(GET CMAKE_CONFIGURATION_TYPES 0 first_type) 1889 string(TOUPPER ${first_type} first_type_upper) 1890 set(first_type_suffix _${first_type_upper}) 1891 endif() 1892 get_target_property(target_type ${target} TYPE) 1893 if(${target_type} STREQUAL "STATIC_LIBRARY") 1894 get_target_property(ARG_OUTPUT_DIR ${target} ARCHIVE_OUTPUT_DIRECTORY${first_type_suffix}) 1895 elseif(UNIX AND ${target_type} STREQUAL "SHARED_LIBRARY") 1896 get_target_property(ARG_OUTPUT_DIR ${target} LIBRARY_OUTPUT_DIRECTORY${first_type_suffix}) 1897 else() 1898 get_target_property(ARG_OUTPUT_DIR ${target} RUNTIME_OUTPUT_DIRECTORY${first_type_suffix}) 1899 endif() 1900 if(CMAKE_CONFIGURATION_TYPES) 1901 string(FIND "${ARG_OUTPUT_DIR}" "/${first_type}/" type_start REVERSE) 1902 string(SUBSTRING "${ARG_OUTPUT_DIR}" 0 ${type_start} path_prefix) 1903 string(SUBSTRING "${ARG_OUTPUT_DIR}" ${type_start} -1 path_suffix) 1904 string(REPLACE "/${first_type}/" "/${CMAKE_CFG_INTDIR}/" 1905 path_suffix ${path_suffix}) 1906 set(ARG_OUTPUT_DIR ${path_prefix}${path_suffix}) 1907 endif() 1908 endif() 1909 1910 if(CMAKE_HOST_UNIX) 1911 set(LLVM_LINK_OR_COPY create_symlink) 1912 else() 1913 set(LLVM_LINK_OR_COPY copy) 1914 endif() 1915 1916 set(output_path "${ARG_OUTPUT_DIR}/${link_name}${CMAKE_EXECUTABLE_SUFFIX}") 1917 1918 set(target_name ${link_name}) 1919 if(TARGET ${link_name}) 1920 set(target_name ${link_name}-link) 1921 endif() 1922 1923 1924 if(ARG_ALWAYS_GENERATE) 1925 set_property(DIRECTORY APPEND PROPERTY 1926 ADDITIONAL_MAKE_CLEAN_FILES ${dest_binary}) 1927 add_custom_command(TARGET ${target} POST_BUILD 1928 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}") 1929 else() 1930 add_custom_command(OUTPUT ${output_path} 1931 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}" 1932 DEPENDS ${target}) 1933 add_custom_target(${target_name} ALL DEPENDS ${target} ${output_path}) 1934 set_target_properties(${target_name} PROPERTIES FOLDER Tools) 1935 1936 # Make sure both the link and target are toolchain tools 1937 if (${link_name} IN_LIST LLVM_TOOLCHAIN_TOOLS AND ${target} IN_LIST LLVM_TOOLCHAIN_TOOLS) 1938 set(TOOL_IS_TOOLCHAIN ON) 1939 endif() 1940 1941 if ((TOOL_IS_TOOLCHAIN OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) AND LLVM_BUILD_TOOLS) 1942 llvm_install_symlink(${link_name} ${target}) 1943 endif() 1944 endif() 1945endfunction() 1946 1947function(llvm_externalize_debuginfo name) 1948 if(NOT LLVM_EXTERNALIZE_DEBUGINFO) 1949 return() 1950 endif() 1951 1952 if(NOT LLVM_EXTERNALIZE_DEBUGINFO_SKIP_STRIP) 1953 if(APPLE) 1954 if(NOT CMAKE_STRIP) 1955 set(CMAKE_STRIP xcrun strip) 1956 endif() 1957 set(strip_command COMMAND ${CMAKE_STRIP} -Sxl $<TARGET_FILE:${name}>) 1958 else() 1959 set(strip_command COMMAND ${CMAKE_STRIP} -g -x $<TARGET_FILE:${name}>) 1960 endif() 1961 endif() 1962 1963 if(APPLE) 1964 if(LLVM_EXTERNALIZE_DEBUGINFO_EXTENSION) 1965 set(file_ext ${LLVM_EXTERNALIZE_DEBUGINFO_EXTENSION}) 1966 else() 1967 set(file_ext dSYM) 1968 endif() 1969 1970 set(output_name "$<TARGET_FILE_NAME:${name}>.${file_ext}") 1971 1972 if(LLVM_EXTERNALIZE_DEBUGINFO_OUTPUT_DIR) 1973 set(output_path "-o=${LLVM_EXTERNALIZE_DEBUGINFO_OUTPUT_DIR}/${output_name}") 1974 else() 1975 set(output_path "-o=${output_name}") 1976 endif() 1977 1978 if(CMAKE_CXX_FLAGS MATCHES "-flto" 1979 OR CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE} MATCHES "-flto") 1980 1981 set(lto_object ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${name}-lto.o) 1982 set_property(TARGET ${name} APPEND_STRING PROPERTY 1983 LINK_FLAGS " -Wl,-object_path_lto,${lto_object}") 1984 endif() 1985 if(NOT CMAKE_DSYMUTIL) 1986 set(CMAKE_DSYMUTIL xcrun dsymutil) 1987 endif() 1988 add_custom_command(TARGET ${name} POST_BUILD 1989 COMMAND ${CMAKE_DSYMUTIL} ${output_path} $<TARGET_FILE:${name}> 1990 ${strip_command} 1991 ) 1992 else() 1993 add_custom_command(TARGET ${name} POST_BUILD 1994 COMMAND ${CMAKE_OBJCOPY} --only-keep-debug $<TARGET_FILE:${name}> $<TARGET_FILE:${name}>.debug 1995 ${strip_command} -R .gnu_debuglink 1996 COMMAND ${CMAKE_OBJCOPY} --add-gnu-debuglink=$<TARGET_FILE:${name}>.debug $<TARGET_FILE:${name}> 1997 ) 1998 endif() 1999endfunction() 2000 2001# Usage: llvm_codesign(name [FORCE] [ENTITLEMENTS file] [BUNDLE_PATH path]) 2002function(llvm_codesign name) 2003 cmake_parse_arguments(ARG "FORCE" "ENTITLEMENTS;BUNDLE_PATH" "" ${ARGN}) 2004 2005 if(NOT LLVM_CODESIGNING_IDENTITY) 2006 return() 2007 endif() 2008 2009 if(CMAKE_GENERATOR STREQUAL "Xcode") 2010 set_target_properties(${name} PROPERTIES 2011 XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY ${LLVM_CODESIGNING_IDENTITY} 2012 ) 2013 if(DEFINED ARG_ENTITLEMENTS) 2014 set_target_properties(${name} PROPERTIES 2015 XCODE_ATTRIBUTE_CODE_SIGN_ENTITLEMENTS ${ARG_ENTITLEMENTS} 2016 ) 2017 endif() 2018 elseif(APPLE AND CMAKE_HOST_SYSTEM_NAME MATCHES Darwin) 2019 if(NOT CMAKE_CODESIGN) 2020 set(CMAKE_CODESIGN xcrun codesign) 2021 endif() 2022 if(NOT CMAKE_CODESIGN_ALLOCATE) 2023 execute_process( 2024 COMMAND xcrun -f codesign_allocate 2025 OUTPUT_STRIP_TRAILING_WHITESPACE 2026 OUTPUT_VARIABLE CMAKE_CODESIGN_ALLOCATE 2027 ) 2028 endif() 2029 if(DEFINED ARG_ENTITLEMENTS) 2030 set(pass_entitlements --entitlements ${ARG_ENTITLEMENTS}) 2031 endif() 2032 2033 if (NOT ARG_BUNDLE_PATH) 2034 set(ARG_BUNDLE_PATH $<TARGET_FILE:${name}>) 2035 endif() 2036 2037 if(ARG_FORCE) 2038 set(force_flag "-f") 2039 endif() 2040 2041 add_custom_command( 2042 TARGET ${name} POST_BUILD 2043 COMMAND ${CMAKE_COMMAND} -E 2044 env CODESIGN_ALLOCATE=${CMAKE_CODESIGN_ALLOCATE} 2045 ${CMAKE_CODESIGN} -s ${LLVM_CODESIGNING_IDENTITY} 2046 ${pass_entitlements} ${force_flag} ${ARG_BUNDLE_PATH} 2047 ) 2048 endif() 2049endfunction() 2050 2051function(llvm_setup_rpath name) 2052 if(CMAKE_INSTALL_RPATH) 2053 return() 2054 endif() 2055 2056 if(LLVM_INSTALL_PREFIX AND NOT (LLVM_INSTALL_PREFIX STREQUAL CMAKE_INSTALL_PREFIX)) 2057 set(extra_libdir ${LLVM_LIBRARY_DIR}) 2058 elseif(LLVM_BUILD_LIBRARY_DIR) 2059 set(extra_libdir ${LLVM_LIBRARY_DIR}) 2060 endif() 2061 2062 if (APPLE) 2063 set(_install_name_dir INSTALL_NAME_DIR "@rpath") 2064 set(_install_rpath "@loader_path/../lib${LLVM_LIBDIR_SUFFIX}" ${extra_libdir}) 2065 elseif(UNIX) 2066 set(_install_rpath "\$ORIGIN/../lib${LLVM_LIBDIR_SUFFIX}" ${extra_libdir}) 2067 if(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)") 2068 set_property(TARGET ${name} APPEND_STRING PROPERTY 2069 LINK_FLAGS " -Wl,-z,origin ") 2070 endif() 2071 if(LLVM_LINKER_IS_GNULD) 2072 # $ORIGIN is not interpreted at link time by ld.bfd 2073 set_property(TARGET ${name} APPEND_STRING PROPERTY 2074 LINK_FLAGS " -Wl,-rpath-link,${LLVM_LIBRARY_OUTPUT_INTDIR} ") 2075 endif() 2076 else() 2077 return() 2078 endif() 2079 2080 set_target_properties(${name} PROPERTIES 2081 BUILD_WITH_INSTALL_RPATH On 2082 INSTALL_RPATH "${_install_rpath}" 2083 ${_install_name_dir}) 2084endfunction() 2085 2086function(setup_dependency_debugging name) 2087 if(NOT LLVM_DEPENDENCY_DEBUGGING) 2088 return() 2089 endif() 2090 2091 if("intrinsics_gen" IN_LIST ARGN) 2092 return() 2093 endif() 2094 2095 set(deny_attributes_inc "(deny file* (literal \"${LLVM_BINARY_DIR}/include/llvm/IR/Attributes.inc\"))") 2096 set(deny_intrinsics_inc "(deny file* (literal \"${LLVM_BINARY_DIR}/include/llvm/IR/Intrinsics.inc\"))") 2097 2098 set(sandbox_command "sandbox-exec -p '(version 1) (allow default) ${deny_attributes_inc} ${deny_intrinsics_inc}'") 2099 set_target_properties(${name} PROPERTIES RULE_LAUNCH_COMPILE ${sandbox_command}) 2100endfunction() 2101 2102function(find_first_existing_vc_file path out_var) 2103 if(NOT EXISTS "${path}") 2104 return() 2105 endif() 2106 find_package(Git) 2107 if(GIT_FOUND) 2108 execute_process(COMMAND ${GIT_EXECUTABLE} rev-parse --git-dir 2109 WORKING_DIRECTORY ${path} 2110 RESULT_VARIABLE git_result 2111 OUTPUT_VARIABLE git_output 2112 ERROR_QUIET) 2113 if(git_result EQUAL 0) 2114 string(STRIP "${git_output}" git_output) 2115 get_filename_component(git_dir ${git_output} ABSOLUTE BASE_DIR ${path}) 2116 # Some branchless cases (e.g. 'repo') may not yet have .git/logs/HEAD 2117 if (NOT EXISTS "${git_dir}/logs/HEAD") 2118 execute_process(COMMAND ${CMAKE_COMMAND} -E touch HEAD 2119 WORKING_DIRECTORY "${git_dir}/logs" 2120 RESULT_VARIABLE touch_head_result 2121 ERROR_QUIET) 2122 if (NOT touch_head_result EQUAL 0) 2123 return() 2124 endif() 2125 endif() 2126 set(${out_var} "${git_dir}/logs/HEAD" PARENT_SCOPE) 2127 endif() 2128 endif() 2129endfunction() 2130