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 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 244 LINK_FLAGS " -Wl,-z -Wl,discard-unused=sections") 245 elseif(NOT WIN32 AND NOT LLVM_LINKER_IS_GOLD AND 246 NOT ${CMAKE_SYSTEM_NAME} MATCHES "OpenBSD|AIX") 247 # Object files are compiled with -ffunction-data-sections. 248 # Versions of bfd ld < 2.23.1 have a bug in --gc-sections that breaks 249 # tools that use plugins. Always pass --gc-sections once we require 250 # a newer linker. 251 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 252 LINK_FLAGS " -Wl,--gc-sections") 253 endif() 254 else() #LLVM_NO_DEAD_STRIP 255 if(${CMAKE_SYSTEM_NAME} MATCHES "AIX") 256 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 257 LINK_FLAGS " -Wl,-bnogc") 258 endif() 259 endif() 260 endif() 261 262 if(ARG_SUPPORT_PLUGINS AND ${CMAKE_SYSTEM_NAME} MATCHES "AIX") 263 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 264 LINK_FLAGS " -Wl,-brtl") 265 endif() 266endfunction(add_link_opts) 267 268# Set each output directory according to ${CMAKE_CONFIGURATION_TYPES}. 269# Note: Don't set variables CMAKE_*_OUTPUT_DIRECTORY any more, 270# or a certain builder, for eaxample, msbuild.exe, would be confused. 271function(set_output_directory target) 272 cmake_parse_arguments(ARG "" "BINARY_DIR;LIBRARY_DIR" "" ${ARGN}) 273 274 # module_dir -- corresponding to LIBRARY_OUTPUT_DIRECTORY. 275 # It affects output of add_library(MODULE). 276 if(WIN32 OR CYGWIN) 277 # DLL platform 278 set(module_dir ${ARG_BINARY_DIR}) 279 else() 280 set(module_dir ${ARG_LIBRARY_DIR}) 281 endif() 282 if(NOT "${CMAKE_CFG_INTDIR}" STREQUAL ".") 283 foreach(build_mode ${CMAKE_CONFIGURATION_TYPES}) 284 string(TOUPPER "${build_mode}" CONFIG_SUFFIX) 285 if(ARG_BINARY_DIR) 286 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} bi ${ARG_BINARY_DIR}) 287 set_target_properties(${target} PROPERTIES "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${bi}) 288 endif() 289 if(ARG_LIBRARY_DIR) 290 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} li ${ARG_LIBRARY_DIR}) 291 set_target_properties(${target} PROPERTIES "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${li}) 292 endif() 293 if(module_dir) 294 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} mi ${module_dir}) 295 set_target_properties(${target} PROPERTIES "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${mi}) 296 endif() 297 endforeach() 298 else() 299 if(ARG_BINARY_DIR) 300 set_target_properties(${target} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${ARG_BINARY_DIR}) 301 endif() 302 if(ARG_LIBRARY_DIR) 303 set_target_properties(${target} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${ARG_LIBRARY_DIR}) 304 endif() 305 if(module_dir) 306 set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${module_dir}) 307 endif() 308 endif() 309endfunction() 310 311# If on Windows and building with MSVC, add the resource script containing the 312# VERSIONINFO data to the project. This embeds version resource information 313# into the output .exe or .dll. 314# TODO: Enable for MinGW Windows builds too. 315# 316function(add_windows_version_resource_file OUT_VAR) 317 set(sources ${ARGN}) 318 if (MSVC AND CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows") 319 set(resource_file ${LLVM_SOURCE_DIR}/resources/windows_version_resource.rc) 320 if(EXISTS ${resource_file}) 321 set(sources ${sources} ${resource_file}) 322 source_group("Resource Files" ${resource_file}) 323 set(windows_resource_file ${resource_file} PARENT_SCOPE) 324 endif() 325 endif(MSVC AND CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows") 326 327 set(${OUT_VAR} ${sources} PARENT_SCOPE) 328endfunction(add_windows_version_resource_file) 329 330# set_windows_version_resource_properties(name resource_file... 331# VERSION_MAJOR int 332# Optional major version number (defaults to LLVM_VERSION_MAJOR) 333# VERSION_MINOR int 334# Optional minor version number (defaults to LLVM_VERSION_MINOR) 335# VERSION_PATCHLEVEL int 336# Optional patchlevel version number (defaults to LLVM_VERSION_PATCH) 337# VERSION_STRING 338# Optional version string (defaults to PACKAGE_VERSION) 339# PRODUCT_NAME 340# Optional product name string (defaults to "LLVM") 341# ) 342function(set_windows_version_resource_properties name resource_file) 343 cmake_parse_arguments(ARG 344 "" 345 "VERSION_MAJOR;VERSION_MINOR;VERSION_PATCHLEVEL;VERSION_STRING;PRODUCT_NAME" 346 "" 347 ${ARGN}) 348 349 if (NOT DEFINED ARG_VERSION_MAJOR) 350 set(ARG_VERSION_MAJOR ${LLVM_VERSION_MAJOR}) 351 endif() 352 353 if (NOT DEFINED ARG_VERSION_MINOR) 354 set(ARG_VERSION_MINOR ${LLVM_VERSION_MINOR}) 355 endif() 356 357 if (NOT DEFINED ARG_VERSION_PATCHLEVEL) 358 set(ARG_VERSION_PATCHLEVEL ${LLVM_VERSION_PATCH}) 359 endif() 360 361 if (NOT DEFINED ARG_VERSION_STRING) 362 set(ARG_VERSION_STRING ${PACKAGE_VERSION}) 363 endif() 364 365 if (NOT DEFINED ARG_PRODUCT_NAME) 366 set(ARG_PRODUCT_NAME "LLVM") 367 endif() 368 369 set_property(SOURCE ${resource_file} 370 PROPERTY COMPILE_FLAGS /nologo) 371 set_property(SOURCE ${resource_file} 372 PROPERTY COMPILE_DEFINITIONS 373 "RC_VERSION_FIELD_1=${ARG_VERSION_MAJOR}" 374 "RC_VERSION_FIELD_2=${ARG_VERSION_MINOR}" 375 "RC_VERSION_FIELD_3=${ARG_VERSION_PATCHLEVEL}" 376 "RC_VERSION_FIELD_4=0" 377 "RC_FILE_VERSION=\"${ARG_VERSION_STRING}\"" 378 "RC_INTERNAL_NAME=\"${name}\"" 379 "RC_PRODUCT_NAME=\"${ARG_PRODUCT_NAME}\"" 380 "RC_PRODUCT_VERSION=\"${ARG_VERSION_STRING}\"") 381endfunction(set_windows_version_resource_properties) 382 383# llvm_add_library(name sources... 384# SHARED;STATIC 385# STATIC by default w/o BUILD_SHARED_LIBS. 386# SHARED by default w/ BUILD_SHARED_LIBS. 387# OBJECT 388# Also create an OBJECT library target. Default if STATIC && SHARED. 389# MODULE 390# Target ${name} might not be created on unsupported platforms. 391# Check with "if(TARGET ${name})". 392# DISABLE_LLVM_LINK_LLVM_DYLIB 393# Do not link this library to libLLVM, even if 394# LLVM_LINK_LLVM_DYLIB is enabled. 395# OUTPUT_NAME name 396# Corresponds to OUTPUT_NAME in target properties. 397# DEPENDS targets... 398# Same semantics as add_dependencies(). 399# LINK_COMPONENTS components... 400# Same as the variable LLVM_LINK_COMPONENTS. 401# LINK_LIBS lib_targets... 402# Same semantics as target_link_libraries(). 403# ADDITIONAL_HEADERS 404# May specify header files for IDE generators. 405# SONAME 406# Should set SONAME link flags and create symlinks 407# NO_INSTALL_RPATH 408# Suppress default RPATH settings in shared libraries. 409# PLUGIN_TOOL 410# The tool (i.e. cmake target) that this plugin will link against 411# COMPONENT_LIB 412# This is used to specify that this is a component library of 413# LLVM which means that the source resides in llvm/lib/ and it is a 414# candidate for inclusion into libLLVM.so. 415# ) 416function(llvm_add_library name) 417 cmake_parse_arguments(ARG 418 "MODULE;SHARED;STATIC;OBJECT;DISABLE_LLVM_LINK_LLVM_DYLIB;SONAME;NO_INSTALL_RPATH;COMPONENT_LIB" 419 "OUTPUT_NAME;PLUGIN_TOOL;ENTITLEMENTS;BUNDLE_PATH" 420 "ADDITIONAL_HEADERS;DEPENDS;LINK_COMPONENTS;LINK_LIBS;OBJLIBS" 421 ${ARGN}) 422 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS}) 423 if(ARG_ADDITIONAL_HEADERS) 424 # Pass through ADDITIONAL_HEADERS. 425 set(ARG_ADDITIONAL_HEADERS ADDITIONAL_HEADERS ${ARG_ADDITIONAL_HEADERS}) 426 endif() 427 if(ARG_OBJLIBS) 428 set(ALL_FILES ${ARG_OBJLIBS}) 429 else() 430 llvm_process_sources(ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ${ARG_ADDITIONAL_HEADERS}) 431 endif() 432 433 if(ARG_MODULE) 434 if(ARG_SHARED OR ARG_STATIC) 435 message(WARNING "MODULE with SHARED|STATIC doesn't make sense.") 436 endif() 437 # Plugins that link against a tool are allowed even when plugins in general are not 438 if(NOT LLVM_ENABLE_PLUGINS AND NOT (ARG_PLUGIN_TOOL AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS)) 439 message(STATUS "${name} ignored -- Loadable modules not supported on this platform.") 440 return() 441 endif() 442 else() 443 if(ARG_PLUGIN_TOOL) 444 message(WARNING "PLUGIN_TOOL without MODULE doesn't make sense.") 445 endif() 446 if(BUILD_SHARED_LIBS AND NOT ARG_STATIC) 447 set(ARG_SHARED TRUE) 448 endif() 449 if(NOT ARG_SHARED) 450 set(ARG_STATIC TRUE) 451 endif() 452 endif() 453 454 # Generate objlib 455 if((ARG_SHARED AND ARG_STATIC) OR ARG_OBJECT) 456 # Generate an obj library for both targets. 457 set(obj_name "obj.${name}") 458 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL 459 ${ALL_FILES} 460 ) 461 llvm_update_compile_flags(${obj_name}) 462 if(CMAKE_GENERATOR STREQUAL "Xcode") 463 set(DUMMY_FILE ${CMAKE_CURRENT_BINARY_DIR}/Dummy.c) 464 file(WRITE ${DUMMY_FILE} "// This file intentionally empty\n") 465 set_property(SOURCE ${DUMMY_FILE} APPEND_STRING PROPERTY COMPILE_FLAGS "-Wno-empty-translation-unit") 466 endif() 467 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>" ${DUMMY_FILE}) 468 469 # Do add_dependencies(obj) later due to CMake issue 14747. 470 list(APPEND objlibs ${obj_name}) 471 472 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") 473 if(ARG_DEPENDS) 474 add_dependencies(${obj_name} ${ARG_DEPENDS}) 475 endif() 476 # Treat link libraries like PUBLIC dependencies. LINK_LIBS might 477 # result in generating header files. Add a dependendency so that 478 # the generated header is created before this object library. 479 if(ARG_LINK_LIBS) 480 cmake_parse_arguments(LINK_LIBS_ARG 481 "" 482 "" 483 "PUBLIC;PRIVATE" 484 ${ARG_LINK_LIBS}) 485 foreach(link_lib ${LINK_LIBS_ARG_PUBLIC}) 486 if(LLVM_PTHREAD_LIB) 487 # Can't specify a dependence on -lpthread 488 if(NOT ${link_lib} STREQUAL ${LLVM_PTHREAD_LIB}) 489 add_dependencies(${obj_name} ${link_lib}) 490 endif() 491 else() 492 add_dependencies(${obj_name} ${link_lib}) 493 endif() 494 endforeach() 495 endif() 496 endif() 497 498 if(ARG_SHARED AND ARG_STATIC) 499 # static 500 set(name_static "${name}_static") 501 if(ARG_OUTPUT_NAME) 502 set(output_name OUTPUT_NAME "${ARG_OUTPUT_NAME}") 503 endif() 504 # DEPENDS has been appended to LLVM_COMMON_LIBS. 505 llvm_add_library(${name_static} STATIC 506 ${output_name} 507 OBJLIBS ${ALL_FILES} # objlib 508 LINK_LIBS ${ARG_LINK_LIBS} 509 LINK_COMPONENTS ${ARG_LINK_COMPONENTS} 510 ) 511 # FIXME: Add name_static to anywhere in TARGET ${name}'s PROPERTY. 512 set(ARG_STATIC) 513 endif() 514 515 if(ARG_MODULE) 516 add_library(${name} MODULE ${ALL_FILES}) 517 elseif(ARG_SHARED) 518 add_windows_version_resource_file(ALL_FILES ${ALL_FILES}) 519 add_library(${name} SHARED ${ALL_FILES}) 520 else() 521 add_library(${name} STATIC ${ALL_FILES}) 522 endif() 523 524 if(ARG_COMPONENT_LIB) 525 set_target_properties(${name} PROPERTIES LLVM_COMPONENT TRUE) 526 set_property(GLOBAL APPEND PROPERTY LLVM_COMPONENT_LIBS ${name}) 527 endif() 528 529 if(NOT ARG_NO_INSTALL_RPATH) 530 if(ARG_MODULE OR ARG_SHARED) 531 llvm_setup_rpath(${name}) 532 endif() 533 endif() 534 535 setup_dependency_debugging(${name} ${LLVM_COMMON_DEPENDS}) 536 537 if(DEFINED windows_resource_file) 538 set_windows_version_resource_properties(${name} ${windows_resource_file}) 539 set(windows_resource_file ${windows_resource_file} PARENT_SCOPE) 540 endif() 541 542 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) 543 # $<TARGET_OBJECTS> doesn't require compile flags. 544 if(NOT obj_name) 545 llvm_update_compile_flags(${name}) 546 endif() 547 add_link_opts( ${name} ) 548 if(ARG_OUTPUT_NAME) 549 set_target_properties(${name} 550 PROPERTIES 551 OUTPUT_NAME ${ARG_OUTPUT_NAME} 552 ) 553 endif() 554 555 if(ARG_MODULE) 556 set_target_properties(${name} PROPERTIES 557 PREFIX "" 558 SUFFIX ${LLVM_PLUGIN_EXT} 559 ) 560 endif() 561 562 if(ARG_SHARED) 563 if(WIN32) 564 set_target_properties(${name} PROPERTIES 565 PREFIX "" 566 ) 567 endif() 568 569 # Set SOVERSION on shared libraries that lack explicit SONAME 570 # specifier, on *nix systems that are not Darwin. 571 if(UNIX AND NOT APPLE AND NOT ARG_SONAME) 572 set_target_properties(${name} 573 PROPERTIES 574 # Since 4.0.0, the ABI version is indicated by the major version 575 SOVERSION ${LLVM_VERSION_MAJOR}${LLVM_VERSION_SUFFIX} 576 VERSION ${LLVM_VERSION_MAJOR}${LLVM_VERSION_SUFFIX}) 577 endif() 578 endif() 579 580 if(ARG_MODULE OR ARG_SHARED) 581 # Do not add -Dname_EXPORTS to the command-line when building files in this 582 # target. Doing so is actively harmful for the modules build because it 583 # creates extra module variants, and not useful because we don't use these 584 # macros. 585 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) 586 587 if (LLVM_EXPORTED_SYMBOL_FILE) 588 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 589 endif() 590 endif() 591 592 if(ARG_SHARED AND UNIX) 593 if(NOT APPLE AND ARG_SONAME) 594 get_target_property(output_name ${name} OUTPUT_NAME) 595 if(${output_name} STREQUAL "output_name-NOTFOUND") 596 set(output_name ${name}) 597 endif() 598 set(library_name ${output_name}-${LLVM_VERSION_MAJOR}${LLVM_VERSION_SUFFIX}) 599 set(api_name ${output_name}-${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX}) 600 set_target_properties(${name} PROPERTIES OUTPUT_NAME ${library_name}) 601 llvm_install_library_symlink(${api_name} ${library_name} SHARED 602 COMPONENT ${name} 603 ALWAYS_GENERATE) 604 llvm_install_library_symlink(${output_name} ${library_name} SHARED 605 COMPONENT ${name} 606 ALWAYS_GENERATE) 607 endif() 608 endif() 609 610 if(ARG_MODULE AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS AND ARG_PLUGIN_TOOL AND (WIN32 OR CYGWIN)) 611 # On DLL platforms symbols are imported from the tool by linking against it. 612 set(llvm_libs ${ARG_PLUGIN_TOOL}) 613 elseif (NOT ARG_COMPONENT_LIB) 614 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB) 615 set(llvm_libs LLVM) 616 else() 617 llvm_map_components_to_libnames(llvm_libs 618 ${ARG_LINK_COMPONENTS} 619 ${LLVM_LINK_COMPONENTS} 620 ) 621 endif() 622 else() 623 # Components have not been defined explicitly in CMake, so add the 624 # dependency information for this library as defined by LLVMBuild. 625 # 626 # It would be nice to verify that we have the dependencies for this library 627 # name, but using get_property(... SET) doesn't suffice to determine if a 628 # property has been set to an empty value. 629 get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${name}) 630 endif() 631 632 if(ARG_STATIC) 633 set(libtype PUBLIC) 634 else() 635 # We can use PRIVATE since SO knows its dependent libs. 636 set(libtype PRIVATE) 637 endif() 638 639 target_link_libraries(${name} ${libtype} 640 ${ARG_LINK_LIBS} 641 ${lib_deps} 642 ${llvm_libs} 643 ) 644 645 if(LLVM_COMMON_DEPENDS) 646 add_dependencies(${name} ${LLVM_COMMON_DEPENDS}) 647 # Add dependencies also to objlibs. 648 # CMake issue 14747 -- add_dependencies() might be ignored to objlib's user. 649 foreach(objlib ${objlibs}) 650 add_dependencies(${objlib} ${LLVM_COMMON_DEPENDS}) 651 endforeach() 652 endif() 653 654 if(ARG_SHARED OR ARG_MODULE) 655 llvm_externalize_debuginfo(${name}) 656 llvm_codesign(${name} ENTITLEMENTS ${ARG_ENTITLEMENTS} BUNDLE_PATH ${ARG_BUNDLE_PATH}) 657 endif() 658 # clang and newer versions of ninja use high-resolutions timestamps, 659 # but older versions of libtool on Darwin don't, so the archive will 660 # often get an older timestamp than the last object that was added 661 # or updated. To fix this, we add a custom command to touch archive 662 # after it's been built so that ninja won't rebuild it unnecessarily 663 # the next time it's run. 664 if(ARG_STATIC AND LLVM_TOUCH_STATIC_LIBRARIES) 665 add_custom_command(TARGET ${name} 666 POST_BUILD 667 COMMAND touch ${LLVM_LIBRARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}${name}${CMAKE_STATIC_LIBRARY_SUFFIX} 668 ) 669 endif() 670endfunction() 671 672function(add_llvm_install_targets target) 673 cmake_parse_arguments(ARG "" "COMPONENT;PREFIX;SYMLINK" "DEPENDS" ${ARGN}) 674 if(ARG_COMPONENT) 675 set(component_option -DCMAKE_INSTALL_COMPONENT="${ARG_COMPONENT}") 676 endif() 677 if(ARG_PREFIX) 678 set(prefix_option -DCMAKE_INSTALL_PREFIX="${ARG_PREFIX}") 679 endif() 680 681 set(file_dependencies) 682 set(target_dependencies) 683 foreach(dependency ${ARG_DEPENDS}) 684 if(TARGET ${dependency}) 685 list(APPEND target_dependencies ${dependency}) 686 else() 687 list(APPEND file_dependencies ${dependency}) 688 endif() 689 endforeach() 690 691 add_custom_target(${target} 692 DEPENDS ${file_dependencies} 693 COMMAND "${CMAKE_COMMAND}" 694 ${component_option} 695 ${prefix_option} 696 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake" 697 USES_TERMINAL) 698 add_custom_target(${target}-stripped 699 DEPENDS ${file_dependencies} 700 COMMAND "${CMAKE_COMMAND}" 701 ${component_option} 702 ${prefix_option} 703 -DCMAKE_INSTALL_DO_STRIP=1 704 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake" 705 USES_TERMINAL) 706 if(target_dependencies) 707 add_dependencies(${target} ${target_dependencies}) 708 add_dependencies(${target}-stripped ${target_dependencies}) 709 endif() 710 711 if(ARG_SYMLINK) 712 add_dependencies(${target} install-${ARG_SYMLINK}) 713 add_dependencies(${target}-stripped install-${ARG_SYMLINK}-stripped) 714 endif() 715endfunction() 716 717function(add_llvm_component_library name) 718 add_llvm_library(${name} COMPONENT_LIB ${ARGN}) 719endfunction() 720 721macro(add_llvm_library name) 722 cmake_parse_arguments(ARG 723 "SHARED;BUILDTREE_ONLY;MODULE;INSTALL_WITH_TOOLCHAIN" 724 "" 725 "" 726 ${ARGN}) 727 if(ARG_MODULE) 728 llvm_add_library(${name} MODULE ${ARG_UNPARSED_ARGUMENTS}) 729 elseif( BUILD_SHARED_LIBS OR ARG_SHARED ) 730 llvm_add_library(${name} SHARED ${ARG_UNPARSED_ARGUMENTS}) 731 else() 732 llvm_add_library(${name} ${ARG_UNPARSED_ARGUMENTS}) 733 endif() 734 735 # Libraries that are meant to only be exposed via the build tree only are 736 # never installed and are only exported as a target in the special build tree 737 # config file. 738 if (NOT ARG_BUILDTREE_ONLY AND NOT ARG_MODULE) 739 set_property( GLOBAL APPEND PROPERTY LLVM_LIBS ${name} ) 740 set(in_llvm_libs YES) 741 endif() 742 743 if (ARG_MODULE AND NOT TARGET ${name}) 744 # Add empty "phony" target 745 add_custom_target(${name}) 746 elseif( EXCLUDE_FROM_ALL ) 747 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON) 748 elseif(ARG_BUILDTREE_ONLY) 749 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS_BUILDTREE_ONLY ${name}) 750 else() 751 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ARG_INSTALL_WITH_TOOLCHAIN) 752 753 set(export_to_llvmexports) 754 if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR 755 (in_llvm_libs AND "llvm-libraries" IN_LIST LLVM_DISTRIBUTION_COMPONENTS) OR 756 NOT LLVM_DISTRIBUTION_COMPONENTS) 757 set(export_to_llvmexports EXPORT LLVMExports) 758 set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True) 759 endif() 760 761 install(TARGETS ${name} 762 ${export_to_llvmexports} 763 LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX} COMPONENT ${name} 764 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX} COMPONENT ${name} 765 RUNTIME DESTINATION bin COMPONENT ${name}) 766 767 if (NOT LLVM_ENABLE_IDE) 768 add_llvm_install_targets(install-${name} 769 DEPENDS ${name} 770 COMPONENT ${name}) 771 endif() 772 endif() 773 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 774 endif() 775 if (ARG_MODULE) 776 set_target_properties(${name} PROPERTIES FOLDER "Loadable modules") 777 else() 778 set_target_properties(${name} PROPERTIES FOLDER "Libraries") 779 endif() 780endmacro(add_llvm_library name) 781 782macro(add_llvm_executable name) 783 cmake_parse_arguments(ARG 784 "DISABLE_LLVM_LINK_LLVM_DYLIB;IGNORE_EXTERNALIZE_DEBUGINFO;NO_INSTALL_RPATH;SUPPORT_PLUGINS" 785 "ENTITLEMENTS;BUNDLE_PATH" 786 "DEPENDS" 787 ${ARGN}) 788 789 llvm_process_sources( ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ) 790 791 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS}) 792 793 # Generate objlib 794 if(LLVM_ENABLE_OBJLIB) 795 # Generate an obj library for both targets. 796 set(obj_name "obj.${name}") 797 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL 798 ${ALL_FILES} 799 ) 800 llvm_update_compile_flags(${obj_name}) 801 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>") 802 803 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") 804 endif() 805 806 add_windows_version_resource_file(ALL_FILES ${ALL_FILES}) 807 808 if(XCODE) 809 # Note: the dummy.cpp source file provides no definitions. However, 810 # it forces Xcode to properly link the static library. 811 list(APPEND ALL_FILES "${LLVM_MAIN_SRC_DIR}/cmake/dummy.cpp") 812 endif() 813 814 if( EXCLUDE_FROM_ALL ) 815 add_executable(${name} EXCLUDE_FROM_ALL ${ALL_FILES}) 816 else() 817 add_executable(${name} ${ALL_FILES}) 818 endif() 819 820 setup_dependency_debugging(${name} ${LLVM_COMMON_DEPENDS}) 821 822 if(NOT ARG_NO_INSTALL_RPATH) 823 llvm_setup_rpath(${name}) 824 endif() 825 826 if(DEFINED windows_resource_file) 827 set_windows_version_resource_properties(${name} ${windows_resource_file}) 828 endif() 829 830 # $<TARGET_OBJECTS> doesn't require compile flags. 831 if(NOT LLVM_ENABLE_OBJLIB) 832 llvm_update_compile_flags(${name}) 833 endif() 834 835 if (ARG_SUPPORT_PLUGINS AND NOT ${CMAKE_SYSTEM_NAME} MATCHES "AIX") 836 set(LLVM_NO_DEAD_STRIP On) 837 endif() 838 839 add_link_opts( ${name} ) 840 841 # Do not add -Dname_EXPORTS to the command-line when building files in this 842 # target. Doing so is actively harmful for the modules build because it 843 # creates extra module variants, and not useful because we don't use these 844 # macros. 845 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) 846 847 if (LLVM_EXPORTED_SYMBOL_FILE) 848 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 849 endif(LLVM_EXPORTED_SYMBOL_FILE) 850 851 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB) 852 set(USE_SHARED USE_SHARED) 853 endif() 854 855 set(EXCLUDE_FROM_ALL OFF) 856 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) 857 llvm_config( ${name} ${USE_SHARED} ${LLVM_LINK_COMPONENTS} ) 858 if( LLVM_COMMON_DEPENDS ) 859 add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} ) 860 endif( LLVM_COMMON_DEPENDS ) 861 862 if(NOT ARG_IGNORE_EXTERNALIZE_DEBUGINFO) 863 llvm_externalize_debuginfo(${name}) 864 endif() 865 if (LLVM_PTHREAD_LIB) 866 # libpthreads overrides some standard library symbols, so main 867 # executable must be linked with it in order to provide consistent 868 # API for all shared libaries loaded by this executable. 869 target_link_libraries(${name} PRIVATE ${LLVM_PTHREAD_LIB}) 870 endif() 871 872 llvm_codesign(${name} ENTITLEMENTS ${ARG_ENTITLEMENTS} BUNDLE_PATH ${ARG_BUNDLE_PATH}) 873endmacro(add_llvm_executable name) 874 875# add_llvm_pass_plugin(name [NO_MODULE] ...) 876# Add ${name} as an llvm plugin. 877# If option LLVM_${name_upper}_LINK_INTO_TOOLS is set to ON, the plugin is registered statically. 878# Otherwise a pluggable shared library is registered. 879# 880# If NO_MODULE is specified, when option LLVM_${name_upper}_LINK_INTO_TOOLS is set to OFF, 881# only an object library is built, and no module is built. This is specific to the Polly use case. 882# 883# The SUBPROJECT argument contains the LLVM project the plugin belongs 884# to. If set, the plugin will link statically by default it if the 885# project was enabled. 886function(add_llvm_pass_plugin name) 887 cmake_parse_arguments(ARG 888 "NO_MODULE" "SUBPROJECT" "" 889 ${ARGN}) 890 891 string(TOUPPER ${name} name_upper) 892 893 # Enable the plugin by default if it was explicitly enabled by the user. 894 # Note: If was set to "all", LLVM's CMakeLists.txt replaces it with a 895 # list of all projects, counting as explicitly enabled. 896 set(link_into_tools_default OFF) 897 if (ARG_SUBPROJECT AND LLVM_TOOL_${name_upper}_BUILD) 898 set(link_into_tools_default ON) 899 endif() 900 option(LLVM_${name_upper}_LINK_INTO_TOOLS "Statically link ${name} into tools (if available)" ${link_into_tools_default}) 901 902 # If we statically link the plugin, don't use llvm dylib because we're going 903 # to be part of it. 904 if(LLVM_${name_upper}_LINK_INTO_TOOLS) 905 list(APPEND ARG_UNPARSED_ARGUMENTS DISABLE_LLVM_LINK_LLVM_DYLIB) 906 endif() 907 908 if(LLVM_${name_upper}_LINK_INTO_TOOLS) 909 list(REMOVE_ITEM ARG_UNPARSED_ARGUMENTS BUILDTREE_ONLY) 910 # process_llvm_pass_plugins takes care of the actual linking, just create an 911 # object library as of now 912 add_llvm_library(${name} OBJECT ${ARG_UNPARSED_ARGUMENTS}) 913 target_compile_definitions(${name} PRIVATE LLVM_${name_upper}_LINK_INTO_TOOLS) 914 set_property(TARGET ${name} APPEND PROPERTY COMPILE_DEFINITIONS LLVM_LINK_INTO_TOOLS) 915 if (TARGET intrinsics_gen) 916 add_dependencies(obj.${name} intrinsics_gen) 917 endif() 918 set_property(GLOBAL APPEND PROPERTY LLVM_STATIC_EXTENSIONS ${name}) 919 elseif(NOT ARG_NO_MODULE) 920 add_llvm_library(${name} MODULE ${ARG_UNPARSED_ARGUMENTS}) 921 else() 922 add_llvm_library(${name} OBJECT ${ARG_UNPARSED_ARGUMENTS}) 923 endif() 924 message(STATUS "Registering ${name} as a pass plugin (static build: ${LLVM_${name_upper}_LINK_INTO_TOOLS})") 925 926endfunction(add_llvm_pass_plugin) 927 928# process_llvm_pass_plugins([GEN_CONFIG]) 929# 930# Correctly set lib dependencies between plugins and tools, based on tools 931# registered with the ENABLE_PLUGINS option. 932# 933# if GEN_CONFIG option is set, also generate X Macro file for extension 934# handling. It provides a HANDLE_EXTENSION(extension_namespace, ExtensionProject) 935# call for each extension allowing client code to define 936# HANDLE_EXTENSION to have a specific code be run for each extension. 937# 938function(process_llvm_pass_plugins) 939 cmake_parse_arguments(ARG 940 "GEN_CONFIG" "" "" 941 ${ARGN}) 942 943 if(ARG_GEN_CONFIG) 944 get_property(LLVM_STATIC_EXTENSIONS GLOBAL PROPERTY LLVM_STATIC_EXTENSIONS) 945 else() 946 include(LLVMConfigExtensions) 947 endif() 948 949 # Add static plugins to the Extension component 950 foreach(llvm_extension ${LLVM_STATIC_EXTENSIONS}) 951 set_property(TARGET LLVMExtensions APPEND PROPERTY LINK_LIBRARIES ${llvm_extension}) 952 set_property(TARGET LLVMExtensions APPEND PROPERTY INTERFACE_LINK_LIBRARIES ${llvm_extension}) 953 endforeach() 954 955 # Eventually generate the extension headers, and store config to a cmake file 956 # for usage in third-party configuration. 957 if(ARG_GEN_CONFIG) 958 959 ## Part 1: Extension header to be included whenever we need extension 960 # processing. 961 set(LLVM_INSTALL_PACKAGE_DIR lib${LLVM_LIBDIR_SUFFIX}/cmake/llvm) 962 set(llvm_cmake_builddir "${LLVM_BINARY_DIR}/${LLVM_INSTALL_PACKAGE_DIR}") 963 file(WRITE 964 "${llvm_cmake_builddir}/LLVMConfigExtensions.cmake" 965 "set(LLVM_STATIC_EXTENSIONS ${LLVM_STATIC_EXTENSIONS})") 966 install(FILES 967 ${llvm_cmake_builddir}/LLVMConfigExtensions.cmake 968 DESTINATION ${LLVM_INSTALL_PACKAGE_DIR} 969 COMPONENT cmake-exports) 970 971 set(ExtensionDef "${LLVM_BINARY_DIR}/include/llvm/Support/Extension.def") 972 file(WRITE "${ExtensionDef}.tmp" "//extension handlers\n") 973 foreach(llvm_extension ${LLVM_STATIC_EXTENSIONS}) 974 file(APPEND "${ExtensionDef}.tmp" "HANDLE_EXTENSION(${llvm_extension})\n") 975 endforeach() 976 file(APPEND "${ExtensionDef}.tmp" "#undef HANDLE_EXTENSION\n") 977 978 # only replace if there's an actual change 979 execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different 980 "${ExtensionDef}.tmp" 981 "${ExtensionDef}") 982 file(REMOVE "${ExtensionDef}.tmp") 983 984 ## Part 2: Extension header that captures each extension dependency, to be 985 # used by llvm-config. 986 set(ExtensionDeps "${LLVM_BINARY_DIR}/tools/llvm-config/ExtensionDependencies.inc") 987 988 # Max needed to correctly size the required library array. 989 set(llvm_plugin_max_deps_length 0) 990 foreach(llvm_extension ${LLVM_STATIC_EXTENSIONS}) 991 get_property(llvm_plugin_deps TARGET ${llvm_extension} PROPERTY LINK_LIBRARIES) 992 list(LENGTH llvm_plugin_deps llvm_plugin_deps_length) 993 if(llvm_plugin_deps_length GREATER llvm_plugin_max_deps_length) 994 set(llvm_plugin_max_deps_length ${llvm_plugin_deps_length}) 995 endif() 996 endforeach() 997 998 list(LENGTH LLVM_STATIC_EXTENSIONS llvm_static_extension_count) 999 file(WRITE 1000 "${ExtensionDeps}.tmp" 1001 "#include <array>\n\ 1002 struct ExtensionDescriptor {\n\ 1003 const char* Name;\n\ 1004 const char* RequiredLibraries[1 + 1 + ${llvm_plugin_max_deps_length}];\n\ 1005 };\n\ 1006 std::array<ExtensionDescriptor, ${llvm_static_extension_count}> AvailableExtensions{\n") 1007 1008 foreach(llvm_extension ${LLVM_STATIC_EXTENSIONS}) 1009 get_property(llvm_plugin_deps TARGET ${llvm_extension} PROPERTY LINK_LIBRARIES) 1010 1011 file(APPEND "${ExtensionDeps}.tmp" "{{\"${llvm_extension}\", {") 1012 foreach(llvm_plugin_dep ${llvm_plugin_deps}) 1013 # Turn library dependency back to component name, if possible. 1014 # That way llvm-config can avoid redundant dependencies. 1015 STRING(REGEX REPLACE "^-l" "" plugin_dep_name ${llvm_plugin_dep}) 1016 STRING(REGEX MATCH "^LLVM" is_llvm_library ${plugin_dep_name}) 1017 if(is_llvm_library) 1018 STRING(REGEX REPLACE "^LLVM" "" plugin_dep_name ${plugin_dep_name}) 1019 STRING(TOLOWER ${plugin_dep_name} plugin_dep_name) 1020 endif() 1021 file(APPEND "${ExtensionDeps}.tmp" "\"${plugin_dep_name}\", ") 1022 endforeach() 1023 1024 # Self + mandatory trailing null, because the number of RequiredLibraries differs between extensions. 1025 file(APPEND "${ExtensionDeps}.tmp" \"${llvm_extension}\", "nullptr}}},\n") 1026 endforeach() 1027 file(APPEND "${ExtensionDeps}.tmp" "};\n") 1028 1029 # only replace if there's an actual change 1030 execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different 1031 "${ExtensionDeps}.tmp" 1032 "${ExtensionDeps}") 1033 file(REMOVE "${ExtensionDeps}.tmp") 1034 endif() 1035endfunction() 1036 1037function(export_executable_symbols target) 1038 if (LLVM_EXPORTED_SYMBOL_FILE) 1039 # The symbol file should contain the symbols we want the executable to 1040 # export 1041 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 1042 elseif (LLVM_EXPORT_SYMBOLS_FOR_PLUGINS) 1043 # Extract the symbols to export from the static libraries that the 1044 # executable links against. 1045 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 1046 set(exported_symbol_file ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${target}.symbols) 1047 # We need to consider not just the direct link dependencies, but also the 1048 # transitive link dependencies. Do this by starting with the set of direct 1049 # dependencies, then the dependencies of those dependencies, and so on. 1050 get_target_property(new_libs ${target} LINK_LIBRARIES) 1051 set(link_libs ${new_libs}) 1052 while(NOT "${new_libs}" STREQUAL "") 1053 foreach(lib ${new_libs}) 1054 if(TARGET ${lib}) 1055 get_target_property(lib_type ${lib} TYPE) 1056 if("${lib_type}" STREQUAL "STATIC_LIBRARY") 1057 list(APPEND static_libs ${lib}) 1058 else() 1059 list(APPEND other_libs ${lib}) 1060 endif() 1061 get_target_property(transitive_libs ${lib} INTERFACE_LINK_LIBRARIES) 1062 foreach(transitive_lib ${transitive_libs}) 1063 list(FIND link_libs ${transitive_lib} idx) 1064 if(TARGET ${transitive_lib} AND idx EQUAL -1) 1065 list(APPEND newer_libs ${transitive_lib}) 1066 list(APPEND link_libs ${transitive_lib}) 1067 endif() 1068 endforeach(transitive_lib) 1069 endif() 1070 endforeach(lib) 1071 set(new_libs ${newer_libs}) 1072 set(newer_libs "") 1073 endwhile() 1074 list(REMOVE_DUPLICATES static_libs) 1075 if (MSVC) 1076 set(mangling microsoft) 1077 else() 1078 set(mangling itanium) 1079 endif() 1080 add_custom_command(OUTPUT ${exported_symbol_file} 1081 COMMAND "${Python3_EXECUTABLE}" ${LLVM_MAIN_SRC_DIR}/utils/extract_symbols.py --mangling=${mangling} ${static_libs} -o ${exported_symbol_file} 1082 WORKING_DIRECTORY ${LLVM_LIBRARY_OUTPUT_INTDIR} 1083 DEPENDS ${LLVM_MAIN_SRC_DIR}/utils/extract_symbols.py ${static_libs} 1084 VERBATIM 1085 COMMENT "Generating export list for ${target}") 1086 add_llvm_symbol_exports( ${target} ${exported_symbol_file} ) 1087 # If something links against this executable then we want a 1088 # transitive link against only the libraries whose symbols 1089 # we aren't exporting. 1090 set_target_properties(${target} PROPERTIES INTERFACE_LINK_LIBRARIES "${other_libs}") 1091 # The default import library suffix that cmake uses for cygwin/mingw is 1092 # ".dll.a", but for clang.exe that causes a collision with libclang.dll, 1093 # where the import libraries of both get named libclang.dll.a. Use a suffix 1094 # of ".exe.a" to avoid this. 1095 if(CYGWIN OR MINGW) 1096 set_target_properties(${target} PROPERTIES IMPORT_SUFFIX ".exe.a") 1097 endif() 1098 elseif(NOT (WIN32 OR CYGWIN)) 1099 # On Windows auto-exporting everything doesn't work because of the limit on 1100 # the size of the exported symbol table, but on other platforms we can do 1101 # it without any trouble. 1102 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 1103 if (APPLE) 1104 set_property(TARGET ${target} APPEND_STRING PROPERTY 1105 LINK_FLAGS " -rdynamic") 1106 endif() 1107 endif() 1108endfunction() 1109 1110# Export symbols if LLVM plugins are enabled. 1111function(export_executable_symbols_for_plugins target) 1112 if(LLVM_ENABLE_PLUGINS OR LLVM_EXPORT_SYMBOLS_FOR_PLUGINS) 1113 export_executable_symbols(${target}) 1114 endif() 1115endfunction() 1116 1117if(NOT LLVM_TOOLCHAIN_TOOLS) 1118 set (LLVM_TOOLCHAIN_TOOLS 1119 llvm-ar 1120 llvm-cov 1121 llvm-cxxfilt 1122 llvm-ranlib 1123 llvm-lib 1124 llvm-nm 1125 llvm-objcopy 1126 llvm-objdump 1127 llvm-rc 1128 llvm-size 1129 llvm-strings 1130 llvm-strip 1131 llvm-profdata 1132 llvm-symbolizer 1133 # symlink version of some of above tools that are enabled by 1134 # LLVM_INSTALL_BINUTILS_SYMLINKS. 1135 addr2line 1136 ar 1137 c++filt 1138 ranlib 1139 nm 1140 objcopy 1141 objdump 1142 size 1143 strings 1144 strip 1145 ) 1146endif() 1147 1148macro(add_llvm_tool name) 1149 if( NOT LLVM_BUILD_TOOLS ) 1150 set(EXCLUDE_FROM_ALL ON) 1151 endif() 1152 add_llvm_executable(${name} ${ARGN}) 1153 1154 if ( ${name} IN_LIST LLVM_TOOLCHAIN_TOOLS OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 1155 if( LLVM_BUILD_TOOLS ) 1156 set(export_to_llvmexports) 1157 if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR 1158 NOT LLVM_DISTRIBUTION_COMPONENTS) 1159 set(export_to_llvmexports EXPORT LLVMExports) 1160 set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True) 1161 endif() 1162 1163 install(TARGETS ${name} 1164 ${export_to_llvmexports} 1165 RUNTIME DESTINATION ${LLVM_TOOLS_INSTALL_DIR} 1166 COMPONENT ${name}) 1167 1168 if (NOT LLVM_ENABLE_IDE) 1169 add_llvm_install_targets(install-${name} 1170 DEPENDS ${name} 1171 COMPONENT ${name}) 1172 endif() 1173 endif() 1174 endif() 1175 if( LLVM_BUILD_TOOLS ) 1176 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 1177 endif() 1178 set_target_properties(${name} PROPERTIES FOLDER "Tools") 1179endmacro(add_llvm_tool name) 1180 1181 1182macro(add_llvm_example name) 1183 if( NOT LLVM_BUILD_EXAMPLES ) 1184 set(EXCLUDE_FROM_ALL ON) 1185 endif() 1186 add_llvm_executable(${name} ${ARGN}) 1187 if( LLVM_BUILD_EXAMPLES ) 1188 install(TARGETS ${name} RUNTIME DESTINATION examples) 1189 endif() 1190 set_target_properties(${name} PROPERTIES FOLDER "Examples") 1191endmacro(add_llvm_example name) 1192 1193macro(add_llvm_example_library name) 1194 if( NOT LLVM_BUILD_EXAMPLES ) 1195 set(EXCLUDE_FROM_ALL ON) 1196 add_llvm_library(${name} BUILDTREE_ONLY ${ARGN}) 1197 else() 1198 add_llvm_library(${name} ${ARGN}) 1199 endif() 1200 1201 set_target_properties(${name} PROPERTIES FOLDER "Examples") 1202endmacro(add_llvm_example_library name) 1203 1204# This is a macro that is used to create targets for executables that are needed 1205# for development, but that are not intended to be installed by default. 1206macro(add_llvm_utility name) 1207 if ( NOT LLVM_BUILD_UTILS ) 1208 set(EXCLUDE_FROM_ALL ON) 1209 endif() 1210 1211 add_llvm_executable(${name} DISABLE_LLVM_LINK_LLVM_DYLIB ${ARGN}) 1212 set_target_properties(${name} PROPERTIES FOLDER "Utils") 1213 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 1214 if (LLVM_INSTALL_UTILS AND LLVM_BUILD_UTILS) 1215 set(export_to_llvmexports) 1216 if (${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR 1217 NOT LLVM_DISTRIBUTION_COMPONENTS) 1218 set(export_to_llvmexports EXPORT LLVMExports) 1219 set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True) 1220 endif() 1221 1222 install(TARGETS ${name} 1223 ${export_to_llvmexports} 1224 RUNTIME DESTINATION ${LLVM_UTILS_INSTALL_DIR} 1225 COMPONENT ${name}) 1226 1227 if (NOT LLVM_ENABLE_IDE) 1228 add_llvm_install_targets(install-${name} 1229 DEPENDS ${name} 1230 COMPONENT ${name}) 1231 endif() 1232 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 1233 elseif(LLVM_BUILD_UTILS) 1234 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS_BUILDTREE_ONLY ${name}) 1235 endif() 1236 endif() 1237endmacro(add_llvm_utility name) 1238 1239macro(add_llvm_fuzzer name) 1240 cmake_parse_arguments(ARG "" "DUMMY_MAIN" "" ${ARGN}) 1241 if( LLVM_LIB_FUZZING_ENGINE ) 1242 set(LLVM_OPTIONAL_SOURCES ${ARG_DUMMY_MAIN}) 1243 add_llvm_executable(${name} ${ARG_UNPARSED_ARGUMENTS}) 1244 target_link_libraries(${name} PRIVATE ${LLVM_LIB_FUZZING_ENGINE}) 1245 set_target_properties(${name} PROPERTIES FOLDER "Fuzzers") 1246 elseif( LLVM_USE_SANITIZE_COVERAGE ) 1247 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=fuzzer") 1248 set(LLVM_OPTIONAL_SOURCES ${ARG_DUMMY_MAIN}) 1249 add_llvm_executable(${name} ${ARG_UNPARSED_ARGUMENTS}) 1250 set_target_properties(${name} PROPERTIES FOLDER "Fuzzers") 1251 elseif( ARG_DUMMY_MAIN ) 1252 add_llvm_executable(${name} ${ARG_DUMMY_MAIN} ${ARG_UNPARSED_ARGUMENTS}) 1253 set_target_properties(${name} PROPERTIES FOLDER "Fuzzers") 1254 endif() 1255endmacro() 1256 1257macro(add_llvm_target target_name) 1258 include_directories(BEFORE 1259 ${CMAKE_CURRENT_BINARY_DIR} 1260 ${CMAKE_CURRENT_SOURCE_DIR}) 1261 add_llvm_component_library(LLVM${target_name} ${ARGN}) 1262 set( CURRENT_LLVM_TARGET LLVM${target_name} ) 1263endmacro(add_llvm_target) 1264 1265function(canonicalize_tool_name name output) 1266 string(REPLACE "${CMAKE_CURRENT_SOURCE_DIR}/" "" nameStrip ${name}) 1267 string(REPLACE "-" "_" nameUNDERSCORE ${nameStrip}) 1268 string(TOUPPER ${nameUNDERSCORE} nameUPPER) 1269 set(${output} "${nameUPPER}" PARENT_SCOPE) 1270endfunction(canonicalize_tool_name) 1271 1272# Custom add_subdirectory wrapper 1273# Takes in a project name (i.e. LLVM), the subdirectory name, and an optional 1274# path if it differs from the name. 1275function(add_llvm_subdirectory project type name) 1276 set(add_llvm_external_dir "${ARGN}") 1277 if("${add_llvm_external_dir}" STREQUAL "") 1278 set(add_llvm_external_dir ${name}) 1279 endif() 1280 canonicalize_tool_name(${name} nameUPPER) 1281 set(canonical_full_name ${project}_${type}_${nameUPPER}) 1282 get_property(already_processed GLOBAL PROPERTY ${canonical_full_name}_PROCESSED) 1283 if(already_processed) 1284 return() 1285 endif() 1286 set_property(GLOBAL PROPERTY ${canonical_full_name}_PROCESSED YES) 1287 1288 if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}/CMakeLists.txt) 1289 # Treat it as in-tree subproject. 1290 option(${canonical_full_name}_BUILD 1291 "Whether to build ${name} as part of ${project}" On) 1292 mark_as_advanced(${project}_${type}_${name}_BUILD) 1293 if(${canonical_full_name}_BUILD) 1294 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir} ${add_llvm_external_dir}) 1295 endif() 1296 else() 1297 set(LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR 1298 "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" 1299 CACHE PATH "Path to ${name} source directory") 1300 set(${canonical_full_name}_BUILD_DEFAULT ON) 1301 if(NOT LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR OR NOT EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}) 1302 set(${canonical_full_name}_BUILD_DEFAULT OFF) 1303 endif() 1304 if("${LLVM_EXTERNAL_${nameUPPER}_BUILD}" STREQUAL "OFF") 1305 set(${canonical_full_name}_BUILD_DEFAULT OFF) 1306 endif() 1307 option(${canonical_full_name}_BUILD 1308 "Whether to build ${name} as part of LLVM" 1309 ${${canonical_full_name}_BUILD_DEFAULT}) 1310 if (${canonical_full_name}_BUILD) 1311 if(EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}) 1312 add_subdirectory(${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} ${add_llvm_external_dir}) 1313 elseif(NOT "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" STREQUAL "") 1314 message(WARNING "Nonexistent directory for ${name}: ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}") 1315 endif() 1316 endif() 1317 endif() 1318endfunction() 1319 1320# Add external project that may want to be built as part of llvm such as Clang, 1321# lld, and Polly. This adds two options. One for the source directory of the 1322# project, which defaults to ${CMAKE_CURRENT_SOURCE_DIR}/${name}. Another to 1323# enable or disable building it with everything else. 1324# Additional parameter can be specified as the name of directory. 1325macro(add_llvm_external_project name) 1326 add_llvm_subdirectory(LLVM TOOL ${name} ${ARGN}) 1327endmacro() 1328 1329macro(add_llvm_tool_subdirectory name) 1330 add_llvm_external_project(${name}) 1331endmacro(add_llvm_tool_subdirectory) 1332 1333function(get_project_name_from_src_var var output) 1334 string(REGEX MATCH "LLVM_EXTERNAL_(.*)_SOURCE_DIR" 1335 MACHED_TOOL "${var}") 1336 if(MACHED_TOOL) 1337 set(${output} ${CMAKE_MATCH_1} PARENT_SCOPE) 1338 else() 1339 set(${output} PARENT_SCOPE) 1340 endif() 1341endfunction() 1342 1343function(create_subdirectory_options project type) 1344 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") 1345 foreach(dir ${sub-dirs}) 1346 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt") 1347 canonicalize_tool_name(${dir} name) 1348 option(${project}_${type}_${name}_BUILD 1349 "Whether to build ${name} as part of ${project}" On) 1350 mark_as_advanced(${project}_${type}_${name}_BUILD) 1351 endif() 1352 endforeach() 1353endfunction(create_subdirectory_options) 1354 1355function(create_llvm_tool_options) 1356 create_subdirectory_options(LLVM TOOL) 1357endfunction(create_llvm_tool_options) 1358 1359function(llvm_add_implicit_projects project) 1360 set(list_of_implicit_subdirs "") 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 if (${project}_TOOL_${name}_BUILD) 1366 get_filename_component(fn "${dir}" NAME) 1367 list(APPEND list_of_implicit_subdirs "${fn}") 1368 endif() 1369 endif() 1370 endforeach() 1371 1372 foreach(external_proj ${list_of_implicit_subdirs}) 1373 add_llvm_subdirectory(${project} TOOL "${external_proj}" ${ARGN}) 1374 endforeach() 1375endfunction(llvm_add_implicit_projects) 1376 1377function(add_llvm_implicit_projects) 1378 llvm_add_implicit_projects(LLVM) 1379endfunction(add_llvm_implicit_projects) 1380 1381# Generic support for adding a unittest. 1382function(add_unittest test_suite test_name) 1383 if( NOT LLVM_BUILD_TESTS ) 1384 set(EXCLUDE_FROM_ALL ON) 1385 endif() 1386 1387 # Our current version of gtest does not properly recognize C++11 support 1388 # with MSVC, so it falls back to tr1 / experimental classes. Since LLVM 1389 # itself requires C++11, we can safely force it on unconditionally so that 1390 # we don't have to fight with the buggy gtest check. 1391 add_definitions(-DGTEST_LANG_CXX11=1) 1392 add_definitions(-DGTEST_HAS_TR1_TUPLE=0) 1393 1394 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include) 1395 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googlemock/include) 1396 if (NOT LLVM_ENABLE_THREADS) 1397 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_PTHREAD=0) 1398 endif () 1399 1400 if (SUPPORTS_VARIADIC_MACROS_FLAG) 1401 list(APPEND LLVM_COMPILE_FLAGS "-Wno-variadic-macros") 1402 endif () 1403 # Some parts of gtest rely on this GNU extension, don't warn on it. 1404 if(SUPPORTS_GNU_ZERO_VARIADIC_MACRO_ARGUMENTS_FLAG) 1405 list(APPEND LLVM_COMPILE_FLAGS "-Wno-gnu-zero-variadic-macro-arguments") 1406 endif() 1407 1408 set(LLVM_REQUIRES_RTTI OFF) 1409 1410 list(APPEND LLVM_LINK_COMPONENTS Support) # gtest needs it for raw_ostream 1411 add_llvm_executable(${test_name} IGNORE_EXTERNALIZE_DEBUGINFO NO_INSTALL_RPATH ${ARGN}) 1412 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}) 1413 set_output_directory(${test_name} BINARY_DIR ${outdir} LIBRARY_DIR ${outdir}) 1414 # libpthreads overrides some standard library symbols, so main 1415 # executable must be linked with it in order to provide consistent 1416 # API for all shared libaries loaded by this executable. 1417 target_link_libraries(${test_name} PRIVATE gtest_main gtest ${LLVM_PTHREAD_LIB}) 1418 1419 add_dependencies(${test_suite} ${test_name}) 1420 get_target_property(test_suite_folder ${test_suite} FOLDER) 1421 if (NOT ${test_suite_folder} STREQUAL "NOTFOUND") 1422 set_property(TARGET ${test_name} PROPERTY FOLDER "${test_suite_folder}") 1423 endif () 1424endfunction() 1425 1426# Use for test binaries that call llvm::getInputFileDirectory(). Use of this 1427# is discouraged. 1428function(add_unittest_with_input_files test_suite test_name) 1429 set(LLVM_UNITTEST_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}) 1430 configure_file( 1431 ${LLVM_MAIN_SRC_DIR}/unittests/unittest.cfg.in 1432 ${CMAKE_CURRENT_BINARY_DIR}/llvm.srcdir.txt) 1433 1434 add_unittest(${test_suite} ${test_name} ${ARGN}) 1435endfunction() 1436 1437# Generic support for adding a benchmark. 1438function(add_benchmark benchmark_name) 1439 if( NOT LLVM_BUILD_BENCHMARKS ) 1440 set(EXCLUDE_FROM_ALL ON) 1441 endif() 1442 1443 add_llvm_executable(${benchmark_name} IGNORE_EXTERNALIZE_DEBUGINFO NO_INSTALL_RPATH ${ARGN}) 1444 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}) 1445 set_output_directory(${benchmark_name} BINARY_DIR ${outdir} LIBRARY_DIR ${outdir}) 1446 set_property(TARGET ${benchmark_name} PROPERTY FOLDER "Utils") 1447 target_link_libraries(${benchmark_name} PRIVATE benchmark) 1448endfunction() 1449 1450# This function canonicalize the CMake variables passed by names 1451# from CMake boolean to 0/1 suitable for passing into Python or C++, 1452# in place. 1453function(llvm_canonicalize_cmake_booleans) 1454 foreach(var ${ARGN}) 1455 if(${var}) 1456 set(${var} 1 PARENT_SCOPE) 1457 else() 1458 set(${var} 0 PARENT_SCOPE) 1459 endif() 1460 endforeach() 1461endfunction(llvm_canonicalize_cmake_booleans) 1462 1463macro(set_llvm_build_mode) 1464 # Configuration-time: See Unit/lit.site.cfg.in 1465 if (CMAKE_CFG_INTDIR STREQUAL ".") 1466 set(LLVM_BUILD_MODE ".") 1467 else () 1468 set(LLVM_BUILD_MODE "%(build_mode)s") 1469 endif () 1470endmacro() 1471 1472# Takes a list of path names in pathlist and a base directory, and returns 1473# a list of paths relative to the base directory in out_pathlist. 1474# Paths that are on a different drive than the basedir (on Windows) or that 1475# contain symlinks are returned absolute. 1476# Use with LLVM_LIT_PATH_FUNCTION below. 1477function(make_paths_relative out_pathlist basedir pathlist) 1478 # Passing ARG_PATH_VALUES as-is to execute_process() makes cmake strip 1479 # empty list entries. So escape the ;s in the list and do the splitting 1480 # ourselves. cmake has no relpath function, so use Python for that. 1481 string(REPLACE ";" "\\;" pathlist_escaped "${pathlist}") 1482 execute_process(COMMAND "${Python3_EXECUTABLE}" "-c" "\n 1483import os, sys\n 1484base = sys.argv[1] 1485def haslink(p):\n 1486 if not p or p == os.path.dirname(p): return False\n 1487 return os.path.islink(p) or haslink(os.path.dirname(p))\n 1488def relpath(p):\n 1489 if not p: return ''\n 1490 if os.path.splitdrive(p)[0] != os.path.splitdrive(base)[0]: return p\n 1491 if haslink(p) or haslink(base): return p\n 1492 return os.path.relpath(p, base)\n 1493sys.stdout.write(';'.join(relpath(p) for p in sys.argv[2].split(';')))" 1494 ${basedir} 1495 ${pathlist_escaped} 1496 OUTPUT_VARIABLE pathlist_relative) 1497 set(${out_pathlist} "${pathlist_relative}" PARENT_SCOPE) 1498endfunction() 1499 1500# Converts a file that's relative to the current python file to an absolute 1501# path. Since this uses __file__, it has to be emitted into python files that 1502# use it and can't be in a lit module. Use with make_paths_relative(). 1503string(CONCAT LLVM_LIT_PATH_FUNCTION 1504 "# Allow generated file to be relocatable.\n" 1505 "def path(p):\n" 1506 " if not p: return ''\n" 1507 " return os.path.join(os.path.dirname(os.path.abspath(__file__)), p)\n" 1508 ) 1509 1510# This function provides an automatic way to 'configure'-like generate a file 1511# based on a set of common and custom variables, specifically targeting the 1512# variables needed for the 'lit.site.cfg' files. This function bundles the 1513# common variables that any Lit instance is likely to need, and custom 1514# variables can be passed in. 1515# The keyword PATHS is followed by a list of cmake variable names that are 1516# mentioned as `path("@varname@")` in the lit.cfg.py.in file. Variables in that 1517# list are treated as paths that are relative to the directory the generated 1518# lit.cfg.py file is in, and the `path()` function converts the relative 1519# path back to absolute form. This makes it possible to move a build directory 1520# containing lit.cfg.py files from one machine to another. 1521function(configure_lit_site_cfg site_in site_out) 1522 cmake_parse_arguments(ARG "" "" "MAIN_CONFIG;OUTPUT_MAPPING;PATHS" ${ARGN}) 1523 1524 if ("${ARG_MAIN_CONFIG}" STREQUAL "") 1525 get_filename_component(INPUT_DIR ${site_in} DIRECTORY) 1526 set(ARG_MAIN_CONFIG "${INPUT_DIR}/lit.cfg") 1527 endif() 1528 if ("${ARG_OUTPUT_MAPPING}" STREQUAL "") 1529 set(ARG_OUTPUT_MAPPING "${site_out}") 1530 endif() 1531 1532 foreach(c ${LLVM_TARGETS_TO_BUILD}) 1533 set(TARGETS_BUILT "${TARGETS_BUILT} ${c}") 1534 endforeach(c) 1535 set(TARGETS_TO_BUILD ${TARGETS_BUILT}) 1536 1537 set(SHLIBEXT "${LTDL_SHLIB_EXT}") 1538 1539 set_llvm_build_mode() 1540 1541 # They below might not be the build tree but provided binary tree. 1542 set(LLVM_SOURCE_DIR ${LLVM_MAIN_SRC_DIR}) 1543 set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR}) 1544 string(REPLACE "${CMAKE_CFG_INTDIR}" "${LLVM_BUILD_MODE}" LLVM_TOOLS_DIR "${LLVM_TOOLS_BINARY_DIR}") 1545 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_LIBS_DIR "${LLVM_LIBRARY_DIR}") 1546 1547 # SHLIBDIR points the build tree. 1548 string(REPLACE "${CMAKE_CFG_INTDIR}" "${LLVM_BUILD_MODE}" SHLIBDIR "${LLVM_SHLIB_OUTPUT_INTDIR}") 1549 1550 # FIXME: "ENABLE_SHARED" doesn't make sense, since it is used just for 1551 # plugins. We may rename it. 1552 if(LLVM_ENABLE_PLUGINS) 1553 set(ENABLE_SHARED "1") 1554 else() 1555 set(ENABLE_SHARED "0") 1556 endif() 1557 1558 if(LLVM_ENABLE_ASSERTIONS AND NOT MSVC_IDE) 1559 set(ENABLE_ASSERTIONS "1") 1560 else() 1561 set(ENABLE_ASSERTIONS "0") 1562 endif() 1563 1564 set(HOST_OS ${CMAKE_SYSTEM_NAME}) 1565 set(HOST_ARCH ${CMAKE_SYSTEM_PROCESSOR}) 1566 1567 set(HOST_CC "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}") 1568 set(HOST_CXX "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}") 1569 set(HOST_LDFLAGS "${CMAKE_EXE_LINKER_FLAGS}") 1570 1571 string(CONCAT LIT_SITE_CFG_IN_HEADER 1572 "# Autogenerated from ${site_in}\n# Do not edit!\n\n" 1573 "${LLVM_LIT_PATH_FUNCTION}" 1574 ) 1575 1576 # Override config_target_triple (and the env) 1577 if(LLVM_TARGET_TRIPLE_ENV) 1578 # This is expanded into the heading. 1579 string(CONCAT LIT_SITE_CFG_IN_HEADER "${LIT_SITE_CFG_IN_HEADER}" 1580 "import os\n" 1581 "target_env = \"${LLVM_TARGET_TRIPLE_ENV}\"\n" 1582 "config.target_triple = config.environment[target_env] = os.environ.get(target_env, \"${TARGET_TRIPLE}\")\n" 1583 ) 1584 1585 # This is expanded to; config.target_triple = ""+config.target_triple+"" 1586 set(TARGET_TRIPLE "\"+config.target_triple+\"") 1587 endif() 1588 1589 if (ARG_PATHS) 1590 # Walk ARG_PATHS and collect the current value of the variables in there. 1591 # list(APPEND) ignores empty elements exactly if the list is empty, 1592 # so start the list with a dummy element and drop it, to make sure that 1593 # even empty values make it into the values list. 1594 set(ARG_PATH_VALUES "dummy") 1595 foreach(path ${ARG_PATHS}) 1596 list(APPEND ARG_PATH_VALUES "${${path}}") 1597 endforeach() 1598 list(REMOVE_AT ARG_PATH_VALUES 0) 1599 1600 get_filename_component(OUTPUT_DIR ${site_out} DIRECTORY) 1601 make_paths_relative( 1602 ARG_PATH_VALUES_RELATIVE "${OUTPUT_DIR}" "${ARG_PATH_VALUES}") 1603 1604 list(LENGTH ARG_PATHS len_paths) 1605 list(LENGTH ARG_PATH_VALUES len_path_values) 1606 list(LENGTH ARG_PATH_VALUES_RELATIVE len_path_value_rels) 1607 if ((NOT ${len_paths} EQUAL ${len_path_values}) OR 1608 (NOT ${len_paths} EQUAL ${len_path_value_rels})) 1609 message(SEND_ERROR "PATHS lengths got confused") 1610 endif() 1611 1612 # Transform variables mentioned in ARG_PATHS to relative paths for 1613 # the configure_file() call. Variables are copied to subscopeds by cmake, 1614 # so this only modifies the local copy of the variables. 1615 math(EXPR arg_path_limit "${len_paths} - 1") 1616 foreach(i RANGE ${arg_path_limit}) 1617 list(GET ARG_PATHS ${i} val1) 1618 list(GET ARG_PATH_VALUES_RELATIVE ${i} val2) 1619 set(${val1} ${val2}) 1620 endforeach() 1621 endif() 1622 1623 configure_file(${site_in} ${site_out} @ONLY) 1624 1625 if (EXISTS "${ARG_MAIN_CONFIG}") 1626 # Remember main config / generated site config for llvm-lit.in. 1627 get_property(LLVM_LIT_CONFIG_FILES GLOBAL PROPERTY LLVM_LIT_CONFIG_FILES) 1628 list(APPEND LLVM_LIT_CONFIG_FILES "${ARG_MAIN_CONFIG}" "${site_out}") 1629 set_property(GLOBAL PROPERTY LLVM_LIT_CONFIG_FILES ${LLVM_LIT_CONFIG_FILES}) 1630 endif() 1631endfunction() 1632 1633function(dump_all_cmake_variables) 1634 get_cmake_property(_variableNames VARIABLES) 1635 foreach (_variableName ${_variableNames}) 1636 message(STATUS "${_variableName}=${${_variableName}}") 1637 endforeach() 1638endfunction() 1639 1640function(get_llvm_lit_path base_dir file_name) 1641 cmake_parse_arguments(ARG "ALLOW_EXTERNAL" "" "" ${ARGN}) 1642 1643 if (ARG_ALLOW_EXTERNAL) 1644 set (LLVM_EXTERNAL_LIT "" CACHE STRING "Command used to spawn lit") 1645 if ("${LLVM_EXTERNAL_LIT}" STREQUAL "") 1646 set(LLVM_EXTERNAL_LIT "${LLVM_DEFAULT_EXTERNAL_LIT}") 1647 endif() 1648 1649 if (NOT "${LLVM_EXTERNAL_LIT}" STREQUAL "") 1650 if (EXISTS ${LLVM_EXTERNAL_LIT}) 1651 get_filename_component(LIT_FILE_NAME ${LLVM_EXTERNAL_LIT} NAME) 1652 get_filename_component(LIT_BASE_DIR ${LLVM_EXTERNAL_LIT} DIRECTORY) 1653 set(${file_name} ${LIT_FILE_NAME} PARENT_SCOPE) 1654 set(${base_dir} ${LIT_BASE_DIR} PARENT_SCOPE) 1655 return() 1656 else() 1657 message(WARNING "LLVM_EXTERNAL_LIT set to ${LLVM_EXTERNAL_LIT}, but the path does not exist.") 1658 endif() 1659 endif() 1660 endif() 1661 1662 set(lit_file_name "llvm-lit") 1663 if (CMAKE_HOST_WIN32 AND NOT CYGWIN) 1664 # llvm-lit needs suffix.py for multiprocess to find a main module. 1665 set(lit_file_name "${lit_file_name}.py") 1666 endif () 1667 set(${file_name} ${lit_file_name} PARENT_SCOPE) 1668 1669 get_property(LLVM_LIT_BASE_DIR GLOBAL PROPERTY LLVM_LIT_BASE_DIR) 1670 if (NOT "${LLVM_LIT_BASE_DIR}" STREQUAL "") 1671 set(${base_dir} ${LLVM_LIT_BASE_DIR} PARENT_SCOPE) 1672 endif() 1673 1674 # Allow individual projects to provide an override 1675 if (NOT "${LLVM_LIT_OUTPUT_DIR}" STREQUAL "") 1676 set(LLVM_LIT_BASE_DIR ${LLVM_LIT_OUTPUT_DIR}) 1677 elseif(NOT "${LLVM_RUNTIME_OUTPUT_INTDIR}" STREQUAL "") 1678 set(LLVM_LIT_BASE_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR}) 1679 else() 1680 set(LLVM_LIT_BASE_DIR "") 1681 endif() 1682 1683 # Cache this so we don't have to do it again and have subsequent calls 1684 # potentially disagree on the value. 1685 set_property(GLOBAL PROPERTY LLVM_LIT_BASE_DIR ${LLVM_LIT_BASE_DIR}) 1686 set(${base_dir} ${LLVM_LIT_BASE_DIR} PARENT_SCOPE) 1687endfunction() 1688 1689# A raw function to create a lit target. This is used to implement the testuite 1690# management functions. 1691function(add_lit_target target comment) 1692 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1693 set(LIT_ARGS "${ARG_ARGS} ${LLVM_LIT_ARGS}") 1694 separate_arguments(LIT_ARGS) 1695 if (NOT CMAKE_CFG_INTDIR STREQUAL ".") 1696 list(APPEND LIT_ARGS --param build_mode=${CMAKE_CFG_INTDIR}) 1697 endif () 1698 1699 # Get the path to the lit to *run* tests with. This can be overriden by 1700 # the user by specifying -DLLVM_EXTERNAL_LIT=<path-to-lit.py> 1701 get_llvm_lit_path( 1702 lit_base_dir 1703 lit_file_name 1704 ALLOW_EXTERNAL 1705 ) 1706 1707 set(LIT_COMMAND "${Python3_EXECUTABLE};${lit_base_dir}/${lit_file_name}") 1708 list(APPEND LIT_COMMAND ${LIT_ARGS}) 1709 foreach(param ${ARG_PARAMS}) 1710 list(APPEND LIT_COMMAND --param ${param}) 1711 endforeach() 1712 if (ARG_UNPARSED_ARGUMENTS) 1713 add_custom_target(${target} 1714 COMMAND ${LIT_COMMAND} ${ARG_UNPARSED_ARGUMENTS} 1715 COMMENT "${comment}" 1716 USES_TERMINAL 1717 ) 1718 else() 1719 add_custom_target(${target} 1720 COMMAND ${CMAKE_COMMAND} -E echo "${target} does nothing, no tools built.") 1721 message(STATUS "${target} does nothing.") 1722 endif() 1723 1724 if (ARG_DEPENDS) 1725 add_dependencies(${target} ${ARG_DEPENDS}) 1726 endif() 1727 1728 # Tests should be excluded from "Build Solution". 1729 set_target_properties(${target} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD ON) 1730endfunction() 1731 1732# A function to add a set of lit test suites to be driven through 'check-*' targets. 1733function(add_lit_testsuite target comment) 1734 cmake_parse_arguments(ARG "EXCLUDE_FROM_CHECK_ALL" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1735 1736 # EXCLUDE_FROM_ALL excludes the test ${target} out of check-all. 1737 if(NOT ARG_EXCLUDE_FROM_CHECK_ALL) 1738 # Register the testsuites, params and depends for the global check rule. 1739 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_TESTSUITES ${ARG_UNPARSED_ARGUMENTS}) 1740 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_PARAMS ${ARG_PARAMS}) 1741 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_DEPENDS ${ARG_DEPENDS}) 1742 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_EXTRA_ARGS ${ARG_ARGS}) 1743 endif() 1744 1745 # Produce a specific suffixed check rule. 1746 add_lit_target(${target} ${comment} 1747 ${ARG_UNPARSED_ARGUMENTS} 1748 PARAMS ${ARG_PARAMS} 1749 DEPENDS ${ARG_DEPENDS} 1750 ARGS ${ARG_ARGS} 1751 ) 1752endfunction() 1753 1754function(add_lit_testsuites project directory) 1755 if (NOT LLVM_ENABLE_IDE) 1756 cmake_parse_arguments(ARG "EXCLUDE_FROM_CHECK_ALL" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1757 1758 # Search recursively for test directories by assuming anything not 1759 # in a directory called Inputs contains tests. 1760 file(GLOB_RECURSE to_process LIST_DIRECTORIES true ${directory}/*) 1761 foreach(lit_suite ${to_process}) 1762 if(NOT IS_DIRECTORY ${lit_suite}) 1763 continue() 1764 endif() 1765 string(FIND ${lit_suite} Inputs is_inputs) 1766 string(FIND ${lit_suite} Output is_output) 1767 if (NOT (is_inputs EQUAL -1 AND is_output EQUAL -1)) 1768 continue() 1769 endif() 1770 1771 # Create a check- target for the directory. 1772 string(REPLACE ${directory} "" name_slash ${lit_suite}) 1773 if (name_slash) 1774 string(REPLACE "/" "-" name_slash ${name_slash}) 1775 string(REPLACE "\\" "-" name_dashes ${name_slash}) 1776 string(TOLOWER "${project}${name_dashes}" name_var) 1777 add_lit_target("check-${name_var}" "Running lit suite ${lit_suite}" 1778 ${lit_suite} 1779 ${EXCLUDE_FROM_CHECK_ALL} 1780 PARAMS ${ARG_PARAMS} 1781 DEPENDS ${ARG_DEPENDS} 1782 ARGS ${ARG_ARGS} 1783 ) 1784 endif() 1785 endforeach() 1786 endif() 1787endfunction() 1788 1789function(llvm_install_library_symlink name dest type) 1790 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "COMPONENT" "" ${ARGN}) 1791 foreach(path ${CMAKE_MODULE_PATH}) 1792 if(EXISTS ${path}/LLVMInstallSymlink.cmake) 1793 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake) 1794 break() 1795 endif() 1796 endforeach() 1797 1798 set(component ${ARG_COMPONENT}) 1799 if(NOT component) 1800 set(component ${name}) 1801 endif() 1802 1803 set(full_name ${CMAKE_${type}_LIBRARY_PREFIX}${name}${CMAKE_${type}_LIBRARY_SUFFIX}) 1804 set(full_dest ${CMAKE_${type}_LIBRARY_PREFIX}${dest}${CMAKE_${type}_LIBRARY_SUFFIX}) 1805 1806 set(output_dir lib${LLVM_LIBDIR_SUFFIX}) 1807 if(WIN32 AND "${type}" STREQUAL "SHARED") 1808 set(output_dir bin) 1809 endif() 1810 1811 install(SCRIPT ${INSTALL_SYMLINK} 1812 CODE "install_symlink(${full_name} ${full_dest} ${output_dir})" 1813 COMPONENT ${component}) 1814 1815 if (NOT LLVM_ENABLE_IDE AND NOT ARG_ALWAYS_GENERATE) 1816 add_llvm_install_targets(install-${name} 1817 DEPENDS ${name} ${dest} 1818 COMPONENT ${name} 1819 SYMLINK ${dest}) 1820 endif() 1821endfunction() 1822 1823function(llvm_install_symlink name dest) 1824 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "COMPONENT" "" ${ARGN}) 1825 foreach(path ${CMAKE_MODULE_PATH}) 1826 if(EXISTS ${path}/LLVMInstallSymlink.cmake) 1827 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake) 1828 break() 1829 endif() 1830 endforeach() 1831 1832 if(ARG_COMPONENT) 1833 set(component ${ARG_COMPONENT}) 1834 else() 1835 if(ARG_ALWAYS_GENERATE) 1836 set(component ${dest}) 1837 else() 1838 set(component ${name}) 1839 endif() 1840 endif() 1841 1842 set(full_name ${name}${CMAKE_EXECUTABLE_SUFFIX}) 1843 set(full_dest ${dest}${CMAKE_EXECUTABLE_SUFFIX}) 1844 1845 install(SCRIPT ${INSTALL_SYMLINK} 1846 CODE "install_symlink(${full_name} ${full_dest} ${LLVM_TOOLS_INSTALL_DIR})" 1847 COMPONENT ${component}) 1848 1849 if (NOT LLVM_ENABLE_IDE AND NOT ARG_ALWAYS_GENERATE) 1850 add_llvm_install_targets(install-${name} 1851 DEPENDS ${name} ${dest} 1852 COMPONENT ${name} 1853 SYMLINK ${dest}) 1854 endif() 1855endfunction() 1856 1857function(add_llvm_tool_symlink link_name target) 1858 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "OUTPUT_DIR" "" ${ARGN}) 1859 set(dest_binary "$<TARGET_FILE:${target}>") 1860 1861 # This got a bit gross... For multi-configuration generators the target 1862 # properties return the resolved value of the string, not the build system 1863 # expression. To reconstruct the platform-agnostic path we have to do some 1864 # magic. First we grab one of the types, and a type-specific path. Then from 1865 # the type-specific path we find the last occurrence of the type in the path, 1866 # and replace it with CMAKE_CFG_INTDIR. This allows the build step to be type 1867 # agnostic again. 1868 if(NOT ARG_OUTPUT_DIR) 1869 # If you're not overriding the OUTPUT_DIR, we can make the link relative in 1870 # the same directory. 1871 if(CMAKE_HOST_UNIX) 1872 set(dest_binary "$<TARGET_FILE_NAME:${target}>") 1873 endif() 1874 if(CMAKE_CONFIGURATION_TYPES) 1875 list(GET CMAKE_CONFIGURATION_TYPES 0 first_type) 1876 string(TOUPPER ${first_type} first_type_upper) 1877 set(first_type_suffix _${first_type_upper}) 1878 endif() 1879 get_target_property(target_type ${target} TYPE) 1880 if(${target_type} STREQUAL "STATIC_LIBRARY") 1881 get_target_property(ARG_OUTPUT_DIR ${target} ARCHIVE_OUTPUT_DIRECTORY${first_type_suffix}) 1882 elseif(UNIX AND ${target_type} STREQUAL "SHARED_LIBRARY") 1883 get_target_property(ARG_OUTPUT_DIR ${target} LIBRARY_OUTPUT_DIRECTORY${first_type_suffix}) 1884 else() 1885 get_target_property(ARG_OUTPUT_DIR ${target} RUNTIME_OUTPUT_DIRECTORY${first_type_suffix}) 1886 endif() 1887 if(CMAKE_CONFIGURATION_TYPES) 1888 string(FIND "${ARG_OUTPUT_DIR}" "/${first_type}/" type_start REVERSE) 1889 string(SUBSTRING "${ARG_OUTPUT_DIR}" 0 ${type_start} path_prefix) 1890 string(SUBSTRING "${ARG_OUTPUT_DIR}" ${type_start} -1 path_suffix) 1891 string(REPLACE "/${first_type}/" "/${CMAKE_CFG_INTDIR}/" 1892 path_suffix ${path_suffix}) 1893 set(ARG_OUTPUT_DIR ${path_prefix}${path_suffix}) 1894 endif() 1895 endif() 1896 1897 if(CMAKE_HOST_UNIX) 1898 set(LLVM_LINK_OR_COPY create_symlink) 1899 else() 1900 set(LLVM_LINK_OR_COPY copy) 1901 endif() 1902 1903 set(output_path "${ARG_OUTPUT_DIR}/${link_name}${CMAKE_EXECUTABLE_SUFFIX}") 1904 1905 set(target_name ${link_name}) 1906 if(TARGET ${link_name}) 1907 set(target_name ${link_name}-link) 1908 endif() 1909 1910 1911 if(ARG_ALWAYS_GENERATE) 1912 set_property(DIRECTORY APPEND PROPERTY 1913 ADDITIONAL_MAKE_CLEAN_FILES ${dest_binary}) 1914 add_custom_command(TARGET ${target} POST_BUILD 1915 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}") 1916 else() 1917 add_custom_command(OUTPUT ${output_path} 1918 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}" 1919 DEPENDS ${target}) 1920 add_custom_target(${target_name} ALL DEPENDS ${target} ${output_path}) 1921 set_target_properties(${target_name} PROPERTIES FOLDER Tools) 1922 1923 # Make sure both the link and target are toolchain tools 1924 if (${link_name} IN_LIST LLVM_TOOLCHAIN_TOOLS AND ${target} IN_LIST LLVM_TOOLCHAIN_TOOLS) 1925 set(TOOL_IS_TOOLCHAIN ON) 1926 endif() 1927 1928 if ((TOOL_IS_TOOLCHAIN OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) AND LLVM_BUILD_TOOLS) 1929 llvm_install_symlink(${link_name} ${target}) 1930 endif() 1931 endif() 1932endfunction() 1933 1934function(llvm_externalize_debuginfo name) 1935 if(NOT LLVM_EXTERNALIZE_DEBUGINFO) 1936 return() 1937 endif() 1938 1939 if(NOT LLVM_EXTERNALIZE_DEBUGINFO_SKIP_STRIP) 1940 if(APPLE) 1941 if(NOT CMAKE_STRIP) 1942 set(CMAKE_STRIP xcrun strip) 1943 endif() 1944 set(strip_command COMMAND ${CMAKE_STRIP} -Sxl $<TARGET_FILE:${name}>) 1945 else() 1946 set(strip_command COMMAND ${CMAKE_STRIP} -g -x $<TARGET_FILE:${name}>) 1947 endif() 1948 endif() 1949 1950 if(APPLE) 1951 if(LLVM_EXTERNALIZE_DEBUGINFO_EXTENSION) 1952 set(file_ext ${LLVM_EXTERNALIZE_DEBUGINFO_EXTENSION}) 1953 else() 1954 set(file_ext dSYM) 1955 endif() 1956 1957 set(output_name "$<TARGET_FILE_NAME:${name}>.${file_ext}") 1958 1959 if(LLVM_EXTERNALIZE_DEBUGINFO_OUTPUT_DIR) 1960 set(output_path "-o=${LLVM_EXTERNALIZE_DEBUGINFO_OUTPUT_DIR}/${output_name}") 1961 else() 1962 set(output_path "-o=${output_name}") 1963 endif() 1964 1965 if(CMAKE_CXX_FLAGS MATCHES "-flto" 1966 OR CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE} MATCHES "-flto") 1967 1968 set(lto_object ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${name}-lto.o) 1969 set_property(TARGET ${name} APPEND_STRING PROPERTY 1970 LINK_FLAGS " -Wl,-object_path_lto,${lto_object}") 1971 endif() 1972 if(NOT CMAKE_DSYMUTIL) 1973 set(CMAKE_DSYMUTIL xcrun dsymutil) 1974 endif() 1975 add_custom_command(TARGET ${name} POST_BUILD 1976 COMMAND ${CMAKE_DSYMUTIL} ${output_path} $<TARGET_FILE:${name}> 1977 ${strip_command} 1978 ) 1979 else() 1980 add_custom_command(TARGET ${name} POST_BUILD 1981 COMMAND ${CMAKE_OBJCOPY} --only-keep-debug $<TARGET_FILE:${name}> $<TARGET_FILE:${name}>.debug 1982 ${strip_command} -R .gnu_debuglink 1983 COMMAND ${CMAKE_OBJCOPY} --add-gnu-debuglink=$<TARGET_FILE:${name}>.debug $<TARGET_FILE:${name}> 1984 ) 1985 endif() 1986endfunction() 1987 1988# Usage: llvm_codesign(name [FORCE] [ENTITLEMENTS file] [BUNDLE_PATH path]) 1989function(llvm_codesign name) 1990 cmake_parse_arguments(ARG "FORCE" "ENTITLEMENTS;BUNDLE_PATH" "" ${ARGN}) 1991 1992 if(NOT LLVM_CODESIGNING_IDENTITY) 1993 return() 1994 endif() 1995 1996 if(CMAKE_GENERATOR STREQUAL "Xcode") 1997 set_target_properties(${name} PROPERTIES 1998 XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY ${LLVM_CODESIGNING_IDENTITY} 1999 ) 2000 if(DEFINED ARG_ENTITLEMENTS) 2001 set_target_properties(${name} PROPERTIES 2002 XCODE_ATTRIBUTE_CODE_SIGN_ENTITLEMENTS ${ARG_ENTITLEMENTS} 2003 ) 2004 endif() 2005 elseif(APPLE AND CMAKE_HOST_SYSTEM_NAME MATCHES Darwin) 2006 if(NOT CMAKE_CODESIGN) 2007 set(CMAKE_CODESIGN xcrun codesign) 2008 endif() 2009 if(NOT CMAKE_CODESIGN_ALLOCATE) 2010 execute_process( 2011 COMMAND xcrun -f codesign_allocate 2012 OUTPUT_STRIP_TRAILING_WHITESPACE 2013 OUTPUT_VARIABLE CMAKE_CODESIGN_ALLOCATE 2014 ) 2015 endif() 2016 if(DEFINED ARG_ENTITLEMENTS) 2017 set(pass_entitlements --entitlements ${ARG_ENTITLEMENTS}) 2018 endif() 2019 2020 if (NOT ARG_BUNDLE_PATH) 2021 set(ARG_BUNDLE_PATH $<TARGET_FILE:${name}>) 2022 endif() 2023 2024 if(ARG_FORCE) 2025 set(force_flag "-f") 2026 endif() 2027 2028 add_custom_command( 2029 TARGET ${name} POST_BUILD 2030 COMMAND ${CMAKE_COMMAND} -E 2031 env CODESIGN_ALLOCATE=${CMAKE_CODESIGN_ALLOCATE} 2032 ${CMAKE_CODESIGN} -s ${LLVM_CODESIGNING_IDENTITY} 2033 ${pass_entitlements} ${force_flag} ${ARG_BUNDLE_PATH} 2034 ) 2035 endif() 2036endfunction() 2037 2038function(llvm_setup_rpath name) 2039 if(CMAKE_INSTALL_RPATH) 2040 return() 2041 endif() 2042 2043 if(LLVM_INSTALL_PREFIX AND NOT (LLVM_INSTALL_PREFIX STREQUAL CMAKE_INSTALL_PREFIX)) 2044 set(extra_libdir ${LLVM_LIBRARY_DIR}) 2045 elseif(LLVM_BUILD_LIBRARY_DIR) 2046 set(extra_libdir ${LLVM_LIBRARY_DIR}) 2047 endif() 2048 2049 if (APPLE) 2050 set(_install_name_dir INSTALL_NAME_DIR "@rpath") 2051 set(_install_rpath "@loader_path/../lib${LLVM_LIBDIR_SUFFIX}" ${extra_libdir}) 2052 elseif(UNIX) 2053 set(_install_rpath "\$ORIGIN/../lib${LLVM_LIBDIR_SUFFIX}" ${extra_libdir}) 2054 if(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)") 2055 set_property(TARGET ${name} APPEND_STRING PROPERTY 2056 LINK_FLAGS " -Wl,-z,origin ") 2057 endif() 2058 if(LLVM_LINKER_IS_GNULD) 2059 # $ORIGIN is not interpreted at link time by ld.bfd 2060 set_property(TARGET ${name} APPEND_STRING PROPERTY 2061 LINK_FLAGS " -Wl,-rpath-link,${LLVM_LIBRARY_OUTPUT_INTDIR} ") 2062 endif() 2063 else() 2064 return() 2065 endif() 2066 2067 set_target_properties(${name} PROPERTIES 2068 BUILD_WITH_INSTALL_RPATH On 2069 INSTALL_RPATH "${_install_rpath}" 2070 ${_install_name_dir}) 2071endfunction() 2072 2073function(setup_dependency_debugging name) 2074 if(NOT LLVM_DEPENDENCY_DEBUGGING) 2075 return() 2076 endif() 2077 2078 if("intrinsics_gen" IN_LIST ARGN) 2079 return() 2080 endif() 2081 2082 set(deny_attributes_inc "(deny file* (literal \"${LLVM_BINARY_DIR}/include/llvm/IR/Attributes.inc\"))") 2083 set(deny_intrinsics_inc "(deny file* (literal \"${LLVM_BINARY_DIR}/include/llvm/IR/Intrinsics.inc\"))") 2084 2085 set(sandbox_command "sandbox-exec -p '(version 1) (allow default) ${deny_attributes_inc} ${deny_intrinsics_inc}'") 2086 set_target_properties(${name} PROPERTIES RULE_LAUNCH_COMPILE ${sandbox_command}) 2087endfunction() 2088 2089function(find_first_existing_vc_file path out_var) 2090 if(NOT EXISTS "${path}") 2091 return() 2092 endif() 2093 if(EXISTS "${path}/.svn") 2094 set(svn_files 2095 "${path}/.svn/wc.db" # SVN 1.7 2096 "${path}/.svn/entries" # SVN 1.6 2097 ) 2098 foreach(file IN LISTS svn_files) 2099 if(EXISTS "${file}") 2100 set(${out_var} "${file}" PARENT_SCOPE) 2101 return() 2102 endif() 2103 endforeach() 2104 else() 2105 find_package(Git) 2106 if(GIT_FOUND) 2107 execute_process(COMMAND ${GIT_EXECUTABLE} rev-parse --git-dir 2108 WORKING_DIRECTORY ${path} 2109 RESULT_VARIABLE git_result 2110 OUTPUT_VARIABLE git_output 2111 ERROR_QUIET) 2112 if(git_result EQUAL 0) 2113 string(STRIP "${git_output}" git_output) 2114 get_filename_component(git_dir ${git_output} ABSOLUTE BASE_DIR ${path}) 2115 # Some branchless cases (e.g. 'repo') may not yet have .git/logs/HEAD 2116 if (NOT EXISTS "${git_dir}/logs/HEAD") 2117 file(WRITE "${git_dir}/logs/HEAD" "") 2118 endif() 2119 set(${out_var} "${git_dir}/logs/HEAD" PARENT_SCOPE) 2120 endif() 2121 endif() 2122 endif() 2123endfunction() 2124