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_property(TARGET ${target_name} APPEND_STRING PROPERTY 94 LINK_FLAGS " -Wl,-bE:${export_file}") 95 elseif(LLVM_HAVE_LINK_VERSION_SCRIPT) 96 # Gold and BFD ld require a version script rather than a plain list. 97 set(native_export_file "${target_name}.exports") 98 # FIXME: Don't write the "local:" line on OpenBSD. 99 # in the export file, also add a linker script to version LLVM symbols (form: LLVM_N.M) 100 add_custom_command(OUTPUT ${native_export_file} 101 COMMAND echo "LLVM_${LLVM_VERSION_MAJOR} {" > ${native_export_file} 102 COMMAND grep -q "[[:alnum:]]" ${export_file} && echo " global:" >> ${native_export_file} || : 103 COMMAND sed -e "s/$/;/" -e "s/^/ /" < ${export_file} >> ${native_export_file} 104 COMMAND echo " local: *;" >> ${native_export_file} 105 COMMAND echo "};" >> ${native_export_file} 106 DEPENDS ${export_file} 107 VERBATIM 108 COMMENT "Creating export file for ${target_name}") 109 if (${LLVM_LINKER_IS_SOLARISLD}) 110 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 111 LINK_FLAGS " -Wl,-M,\"${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}\"") 112 else() 113 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 114 LINK_FLAGS " -Wl,--version-script,\"${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}\"") 115 endif() 116 else() 117 set(native_export_file "${target_name}.def") 118 119 add_custom_command(OUTPUT ${native_export_file} 120 COMMAND ${PYTHON_EXECUTABLE} -c "import sys;print(''.join(['EXPORTS\\n']+sys.stdin.readlines(),))" 121 < ${export_file} > ${native_export_file} 122 DEPENDS ${export_file} 123 VERBATIM 124 COMMENT "Creating export file for ${target_name}") 125 set(export_file_linker_flag "${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") 126 if(MSVC) 127 set(export_file_linker_flag "/DEF:\"${export_file_linker_flag}\"") 128 endif() 129 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 130 LINK_FLAGS " ${export_file_linker_flag}") 131 endif() 132 133 add_custom_target(${target_name}_exports DEPENDS ${native_export_file}) 134 set_target_properties(${target_name}_exports PROPERTIES FOLDER "Misc") 135 136 get_property(srcs TARGET ${target_name} PROPERTY SOURCES) 137 foreach(src ${srcs}) 138 get_filename_component(extension ${src} EXT) 139 if(extension STREQUAL ".cpp") 140 set(first_source_file ${src}) 141 break() 142 endif() 143 endforeach() 144 145 # Force re-linking when the exports file changes. Actually, it 146 # forces recompilation of the source file. The LINK_DEPENDS target 147 # property only works for makefile-based generators. 148 # FIXME: This is not safe because this will create the same target 149 # ${native_export_file} in several different file: 150 # - One where we emitted ${target_name}_exports 151 # - One where we emitted the build command for the following object. 152 # set_property(SOURCE ${first_source_file} APPEND PROPERTY 153 # OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}) 154 155 set_property(DIRECTORY APPEND 156 PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${native_export_file}) 157 158 add_dependencies(${target_name} ${target_name}_exports) 159 160 # Add dependency to *_exports later -- CMake issue 14747 161 list(APPEND LLVM_COMMON_DEPENDS ${target_name}_exports) 162 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} PARENT_SCOPE) 163endfunction(add_llvm_symbol_exports) 164 165if(APPLE) 166 execute_process( 167 COMMAND "${CMAKE_LINKER}" -v 168 ERROR_VARIABLE stderr 169 ) 170 set(LLVM_LINKER_DETECTED YES) 171 if("${stderr}" MATCHES "PROJECT:ld64") 172 set(LLVM_LINKER_IS_LD64 YES) 173 message(STATUS "Linker detection: ld64") 174 else() 175 set(LLVM_LINKER_DETECTED NO) 176 message(STATUS "Linker detection: unknown") 177 endif() 178elseif(NOT WIN32) 179 # Detect what linker we have here 180 if( LLVM_USE_LINKER ) 181 set(command ${CMAKE_C_COMPILER} -fuse-ld=${LLVM_USE_LINKER} -Wl,--version) 182 else() 183 separate_arguments(flags UNIX_COMMAND "${CMAKE_EXE_LINKER_FLAGS}") 184 set(command ${CMAKE_C_COMPILER} ${flags} -Wl,--version) 185 endif() 186 execute_process( 187 COMMAND ${command} 188 OUTPUT_VARIABLE stdout 189 ERROR_VARIABLE stderr 190 ) 191 set(LLVM_LINKER_DETECTED YES) 192 if("${stdout}" MATCHES "GNU gold") 193 set(LLVM_LINKER_IS_GOLD YES) 194 message(STATUS "Linker detection: GNU Gold") 195 elseif("${stdout}" MATCHES "^LLD") 196 set(LLVM_LINKER_IS_LLD YES) 197 message(STATUS "Linker detection: LLD") 198 elseif("${stdout}" MATCHES "GNU ld") 199 set(LLVM_LINKER_IS_GNULD YES) 200 message(STATUS "Linker detection: GNU ld") 201 elseif("${stderr}" MATCHES "Solaris Link Editors" OR 202 "${stdout}" MATCHES "Solaris Link Editors") 203 set(LLVM_LINKER_IS_SOLARISLD YES) 204 message(STATUS "Linker detection: Solaris ld") 205 else() 206 set(LLVM_LINKER_DETECTED NO) 207 message(STATUS "Linker detection: unknown") 208 endif() 209endif() 210 211function(add_link_opts target_name) 212 # Don't use linker optimizations in debug builds since it slows down the 213 # linker in a context where the optimizations are not important. 214 if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG") 215 216 # Pass -O3 to the linker. This enabled different optimizations on different 217 # linkers. 218 if(NOT (${CMAKE_SYSTEM_NAME} MATCHES "Darwin|SunOS|AIX" OR WIN32)) 219 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 220 LINK_FLAGS " -Wl,-O3") 221 endif() 222 223 if(LLVM_LINKER_IS_GOLD) 224 # With gold gc-sections is always safe. 225 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 226 LINK_FLAGS " -Wl,--gc-sections") 227 # Note that there is a bug with -Wl,--icf=safe so it is not safe 228 # to enable. See https://sourceware.org/bugzilla/show_bug.cgi?id=17704. 229 endif() 230 231 if(NOT LLVM_SUPPORT_PLUGINS) 232 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") 233 # ld64's implementation of -dead_strip breaks tools that use plugins. 234 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 235 LINK_FLAGS " -Wl,-dead_strip") 236 elseif(${CMAKE_SYSTEM_NAME} MATCHES "SunOS") 237 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 238 LINK_FLAGS " -Wl,-z -Wl,discard-unused=sections") 239 elseif(NOT WIN32 AND NOT LLVM_LINKER_IS_GOLD AND 240 NOT ${CMAKE_SYSTEM_NAME} MATCHES "OpenBSD|AIX") 241 # Object files are compiled with -ffunction-data-sections. 242 # Versions of bfd ld < 2.23.1 have a bug in --gc-sections that breaks 243 # tools that use plugins. Always pass --gc-sections once we require 244 # a newer linker. 245 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 246 LINK_FLAGS " -Wl,--gc-sections") 247 endif() 248 else() #LLVM_SUPPORT_PLUGINS 249 if(${CMAKE_SYSTEM_NAME} MATCHES "AIX") 250 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 251 LINK_FLAGS " -Wl,-bnogc") 252 endif() 253 endif() 254 endif() 255endfunction(add_link_opts) 256 257# Set each output directory according to ${CMAKE_CONFIGURATION_TYPES}. 258# Note: Don't set variables CMAKE_*_OUTPUT_DIRECTORY any more, 259# or a certain builder, for eaxample, msbuild.exe, would be confused. 260function(set_output_directory target) 261 cmake_parse_arguments(ARG "" "BINARY_DIR;LIBRARY_DIR" "" ${ARGN}) 262 263 # module_dir -- corresponding to LIBRARY_OUTPUT_DIRECTORY. 264 # It affects output of add_library(MODULE). 265 if(WIN32 OR CYGWIN) 266 # DLL platform 267 set(module_dir ${ARG_BINARY_DIR}) 268 else() 269 set(module_dir ${ARG_LIBRARY_DIR}) 270 endif() 271 if(NOT "${CMAKE_CFG_INTDIR}" STREQUAL ".") 272 foreach(build_mode ${CMAKE_CONFIGURATION_TYPES}) 273 string(TOUPPER "${build_mode}" CONFIG_SUFFIX) 274 if(ARG_BINARY_DIR) 275 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} bi ${ARG_BINARY_DIR}) 276 set_target_properties(${target} PROPERTIES "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${bi}) 277 endif() 278 if(ARG_LIBRARY_DIR) 279 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} li ${ARG_LIBRARY_DIR}) 280 set_target_properties(${target} PROPERTIES "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${li}) 281 endif() 282 if(module_dir) 283 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} mi ${module_dir}) 284 set_target_properties(${target} PROPERTIES "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${mi}) 285 endif() 286 endforeach() 287 else() 288 if(ARG_BINARY_DIR) 289 set_target_properties(${target} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${ARG_BINARY_DIR}) 290 endif() 291 if(ARG_LIBRARY_DIR) 292 set_target_properties(${target} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${ARG_LIBRARY_DIR}) 293 endif() 294 if(module_dir) 295 set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${module_dir}) 296 endif() 297 endif() 298endfunction() 299 300# If on Windows and building with MSVC, add the resource script containing the 301# VERSIONINFO data to the project. This embeds version resource information 302# into the output .exe or .dll. 303# TODO: Enable for MinGW Windows builds too. 304# 305function(add_windows_version_resource_file OUT_VAR) 306 set(sources ${ARGN}) 307 if (MSVC AND CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows") 308 set(resource_file ${LLVM_SOURCE_DIR}/resources/windows_version_resource.rc) 309 if(EXISTS ${resource_file}) 310 set(sources ${sources} ${resource_file}) 311 source_group("Resource Files" ${resource_file}) 312 set(windows_resource_file ${resource_file} PARENT_SCOPE) 313 endif() 314 endif(MSVC AND CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows") 315 316 set(${OUT_VAR} ${sources} PARENT_SCOPE) 317endfunction(add_windows_version_resource_file) 318 319# set_windows_version_resource_properties(name resource_file... 320# VERSION_MAJOR int 321# Optional major version number (defaults to LLVM_VERSION_MAJOR) 322# VERSION_MINOR int 323# Optional minor version number (defaults to LLVM_VERSION_MINOR) 324# VERSION_PATCHLEVEL int 325# Optional patchlevel version number (defaults to LLVM_VERSION_PATCH) 326# VERSION_STRING 327# Optional version string (defaults to PACKAGE_VERSION) 328# PRODUCT_NAME 329# Optional product name string (defaults to "LLVM") 330# ) 331function(set_windows_version_resource_properties name resource_file) 332 cmake_parse_arguments(ARG 333 "" 334 "VERSION_MAJOR;VERSION_MINOR;VERSION_PATCHLEVEL;VERSION_STRING;PRODUCT_NAME" 335 "" 336 ${ARGN}) 337 338 if (NOT DEFINED ARG_VERSION_MAJOR) 339 set(ARG_VERSION_MAJOR ${LLVM_VERSION_MAJOR}) 340 endif() 341 342 if (NOT DEFINED ARG_VERSION_MINOR) 343 set(ARG_VERSION_MINOR ${LLVM_VERSION_MINOR}) 344 endif() 345 346 if (NOT DEFINED ARG_VERSION_PATCHLEVEL) 347 set(ARG_VERSION_PATCHLEVEL ${LLVM_VERSION_PATCH}) 348 endif() 349 350 if (NOT DEFINED ARG_VERSION_STRING) 351 set(ARG_VERSION_STRING ${PACKAGE_VERSION}) 352 endif() 353 354 if (NOT DEFINED ARG_PRODUCT_NAME) 355 set(ARG_PRODUCT_NAME "LLVM") 356 endif() 357 358 set_property(SOURCE ${resource_file} 359 PROPERTY COMPILE_FLAGS /nologo) 360 set_property(SOURCE ${resource_file} 361 PROPERTY COMPILE_DEFINITIONS 362 "RC_VERSION_FIELD_1=${ARG_VERSION_MAJOR}" 363 "RC_VERSION_FIELD_2=${ARG_VERSION_MINOR}" 364 "RC_VERSION_FIELD_3=${ARG_VERSION_PATCHLEVEL}" 365 "RC_VERSION_FIELD_4=0" 366 "RC_FILE_VERSION=\"${ARG_VERSION_STRING}\"" 367 "RC_INTERNAL_NAME=\"${name}\"" 368 "RC_PRODUCT_NAME=\"${ARG_PRODUCT_NAME}\"" 369 "RC_PRODUCT_VERSION=\"${ARG_VERSION_STRING}\"") 370endfunction(set_windows_version_resource_properties) 371 372# llvm_add_library(name sources... 373# SHARED;STATIC 374# STATIC by default w/o BUILD_SHARED_LIBS. 375# SHARED by default w/ BUILD_SHARED_LIBS. 376# OBJECT 377# Also create an OBJECT library target. Default if STATIC && SHARED. 378# MODULE 379# Target ${name} might not be created on unsupported platforms. 380# Check with "if(TARGET ${name})". 381# DISABLE_LLVM_LINK_LLVM_DYLIB 382# Do not link this library to libLLVM, even if 383# LLVM_LINK_LLVM_DYLIB is enabled. 384# OUTPUT_NAME name 385# Corresponds to OUTPUT_NAME in target properties. 386# DEPENDS targets... 387# Same semantics as add_dependencies(). 388# LINK_COMPONENTS components... 389# Same as the variable LLVM_LINK_COMPONENTS. 390# LINK_LIBS lib_targets... 391# Same semantics as target_link_libraries(). 392# ADDITIONAL_HEADERS 393# May specify header files for IDE generators. 394# SONAME 395# Should set SONAME link flags and create symlinks 396# NO_INSTALL_RPATH 397# Suppress default RPATH settings in shared libraries. 398# PLUGIN_TOOL 399# The tool (i.e. cmake target) that this plugin will link against 400# ) 401function(llvm_add_library name) 402 cmake_parse_arguments(ARG 403 "MODULE;SHARED;STATIC;OBJECT;DISABLE_LLVM_LINK_LLVM_DYLIB;SONAME;NO_INSTALL_RPATH" 404 "OUTPUT_NAME;PLUGIN_TOOL;ENTITLEMENTS;BUNDLE_PATH" 405 "ADDITIONAL_HEADERS;DEPENDS;LINK_COMPONENTS;LINK_LIBS;OBJLIBS" 406 ${ARGN}) 407 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS}) 408 if(ARG_ADDITIONAL_HEADERS) 409 # Pass through ADDITIONAL_HEADERS. 410 set(ARG_ADDITIONAL_HEADERS ADDITIONAL_HEADERS ${ARG_ADDITIONAL_HEADERS}) 411 endif() 412 if(ARG_OBJLIBS) 413 set(ALL_FILES ${ARG_OBJLIBS}) 414 else() 415 llvm_process_sources(ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ${ARG_ADDITIONAL_HEADERS}) 416 endif() 417 418 if(ARG_MODULE) 419 if(ARG_SHARED OR ARG_STATIC) 420 message(WARNING "MODULE with SHARED|STATIC doesn't make sense.") 421 endif() 422 # Plugins that link against a tool are allowed even when plugins in general are not 423 if(NOT LLVM_ENABLE_PLUGINS AND NOT (ARG_PLUGIN_TOOL AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS)) 424 message(STATUS "${name} ignored -- Loadable modules not supported on this platform.") 425 return() 426 endif() 427 else() 428 if(ARG_PLUGIN_TOOL) 429 message(WARNING "PLUGIN_TOOL without MODULE doesn't make sense.") 430 endif() 431 if(BUILD_SHARED_LIBS AND NOT ARG_STATIC) 432 set(ARG_SHARED TRUE) 433 endif() 434 if(NOT ARG_SHARED) 435 set(ARG_STATIC TRUE) 436 endif() 437 endif() 438 439 # Generate objlib 440 if((ARG_SHARED AND ARG_STATIC) OR ARG_OBJECT) 441 # Generate an obj library for both targets. 442 set(obj_name "obj.${name}") 443 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL 444 ${ALL_FILES} 445 ) 446 llvm_update_compile_flags(${obj_name}) 447 if(CMAKE_GENERATOR STREQUAL "Xcode") 448 set(DUMMY_FILE ${CMAKE_CURRENT_BINARY_DIR}/Dummy.c) 449 file(WRITE ${DUMMY_FILE} "// This file intentionally empty\n") 450 set_property(SOURCE ${DUMMY_FILE} APPEND_STRING PROPERTY COMPILE_FLAGS "-Wno-empty-translation-unit") 451 endif() 452 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>" ${DUMMY_FILE}) 453 454 # Do add_dependencies(obj) later due to CMake issue 14747. 455 list(APPEND objlibs ${obj_name}) 456 457 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") 458 if(ARG_DEPENDS) 459 add_dependencies(${obj_name} ${ARG_DEPENDS}) 460 endif() 461 endif() 462 463 if(ARG_SHARED AND ARG_STATIC) 464 # static 465 set(name_static "${name}_static") 466 if(ARG_OUTPUT_NAME) 467 set(output_name OUTPUT_NAME "${ARG_OUTPUT_NAME}") 468 endif() 469 # DEPENDS has been appended to LLVM_COMMON_LIBS. 470 llvm_add_library(${name_static} STATIC 471 ${output_name} 472 OBJLIBS ${ALL_FILES} # objlib 473 LINK_LIBS ${ARG_LINK_LIBS} 474 LINK_COMPONENTS ${ARG_LINK_COMPONENTS} 475 ) 476 # FIXME: Add name_static to anywhere in TARGET ${name}'s PROPERTY. 477 set(ARG_STATIC) 478 endif() 479 480 if(ARG_MODULE) 481 add_library(${name} MODULE ${ALL_FILES}) 482 elseif(ARG_SHARED) 483 add_windows_version_resource_file(ALL_FILES ${ALL_FILES}) 484 add_library(${name} SHARED ${ALL_FILES}) 485 else() 486 add_library(${name} STATIC ${ALL_FILES}) 487 endif() 488 489 if(NOT ARG_NO_INSTALL_RPATH) 490 if(ARG_MODULE OR ARG_SHARED) 491 llvm_setup_rpath(${name}) 492 endif() 493 endif() 494 495 setup_dependency_debugging(${name} ${LLVM_COMMON_DEPENDS}) 496 497 if(DEFINED windows_resource_file) 498 set_windows_version_resource_properties(${name} ${windows_resource_file}) 499 set(windows_resource_file ${windows_resource_file} PARENT_SCOPE) 500 endif() 501 502 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) 503 # $<TARGET_OBJECTS> doesn't require compile flags. 504 if(NOT obj_name) 505 llvm_update_compile_flags(${name}) 506 endif() 507 add_link_opts( ${name} ) 508 if(ARG_OUTPUT_NAME) 509 set_target_properties(${name} 510 PROPERTIES 511 OUTPUT_NAME ${ARG_OUTPUT_NAME} 512 ) 513 endif() 514 515 if(ARG_MODULE) 516 set_target_properties(${name} PROPERTIES 517 PREFIX "" 518 SUFFIX ${LLVM_PLUGIN_EXT} 519 ) 520 endif() 521 522 if(ARG_SHARED) 523 if(WIN32) 524 set_target_properties(${name} PROPERTIES 525 PREFIX "" 526 ) 527 endif() 528 529 # Set SOVERSION on shared libraries that lack explicit SONAME 530 # specifier, on *nix systems that are not Darwin. 531 if(UNIX AND NOT APPLE AND NOT ARG_SONAME) 532 set_target_properties(${name} 533 PROPERTIES 534 # Since 4.0.0, the ABI version is indicated by the major version 535 SOVERSION ${LLVM_VERSION_MAJOR}${LLVM_VERSION_SUFFIX} 536 VERSION ${LLVM_VERSION_MAJOR}${LLVM_VERSION_SUFFIX}) 537 endif() 538 endif() 539 540 if(ARG_MODULE OR ARG_SHARED) 541 # Do not add -Dname_EXPORTS to the command-line when building files in this 542 # target. Doing so is actively harmful for the modules build because it 543 # creates extra module variants, and not useful because we don't use these 544 # macros. 545 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) 546 547 if (LLVM_EXPORTED_SYMBOL_FILE) 548 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 549 endif() 550 endif() 551 552 if(ARG_SHARED AND UNIX) 553 if(NOT APPLE AND ARG_SONAME) 554 get_target_property(output_name ${name} OUTPUT_NAME) 555 if(${output_name} STREQUAL "output_name-NOTFOUND") 556 set(output_name ${name}) 557 endif() 558 set(library_name ${output_name}-${LLVM_VERSION_MAJOR}${LLVM_VERSION_SUFFIX}) 559 set(api_name ${output_name}-${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX}) 560 set_target_properties(${name} PROPERTIES OUTPUT_NAME ${library_name}) 561 llvm_install_library_symlink(${api_name} ${library_name} SHARED 562 COMPONENT ${name} 563 ALWAYS_GENERATE) 564 llvm_install_library_symlink(${output_name} ${library_name} SHARED 565 COMPONENT ${name} 566 ALWAYS_GENERATE) 567 endif() 568 endif() 569 570 if(ARG_MODULE AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS AND ARG_PLUGIN_TOOL AND (WIN32 OR CYGWIN)) 571 # On DLL platforms symbols are imported from the tool by linking against it. 572 set(llvm_libs ${ARG_PLUGIN_TOOL}) 573 elseif (DEFINED LLVM_LINK_COMPONENTS OR DEFINED ARG_LINK_COMPONENTS) 574 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB) 575 set(llvm_libs LLVM) 576 else() 577 llvm_map_components_to_libnames(llvm_libs 578 ${ARG_LINK_COMPONENTS} 579 ${LLVM_LINK_COMPONENTS} 580 ) 581 endif() 582 else() 583 # Components have not been defined explicitly in CMake, so add the 584 # dependency information for this library as defined by LLVMBuild. 585 # 586 # It would be nice to verify that we have the dependencies for this library 587 # name, but using get_property(... SET) doesn't suffice to determine if a 588 # property has been set to an empty value. 589 get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${name}) 590 endif() 591 592 if(ARG_STATIC) 593 set(libtype INTERFACE) 594 else() 595 # We can use PRIVATE since SO knows its dependent libs. 596 set(libtype PRIVATE) 597 endif() 598 599 target_link_libraries(${name} ${libtype} 600 ${ARG_LINK_LIBS} 601 ${lib_deps} 602 ${llvm_libs} 603 ) 604 605 if(LLVM_COMMON_DEPENDS) 606 add_dependencies(${name} ${LLVM_COMMON_DEPENDS}) 607 # Add dependencies also to objlibs. 608 # CMake issue 14747 -- add_dependencies() might be ignored to objlib's user. 609 foreach(objlib ${objlibs}) 610 add_dependencies(${objlib} ${LLVM_COMMON_DEPENDS}) 611 endforeach() 612 endif() 613 614 if(ARG_SHARED OR ARG_MODULE) 615 llvm_externalize_debuginfo(${name}) 616 llvm_codesign(${name} ENTITLEMENTS ${ARG_ENTITLEMENTS} BUNDLE_PATH ${ARG_BUNDLE_PATH}) 617 endif() 618 # clang and newer versions of ninja use high-resolutions timestamps, 619 # but older versions of libtool on Darwin don't, so the archive will 620 # often get an older timestamp than the last object that was added 621 # or updated. To fix this, we add a custom command to touch archive 622 # after it's been built so that ninja won't rebuild it unnecessarily 623 # the next time it's run. 624 if(ARG_STATIC AND LLVM_TOUCH_STATIC_LIBRARIES) 625 add_custom_command(TARGET ${name} 626 POST_BUILD 627 COMMAND touch ${LLVM_LIBRARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}${name}${CMAKE_STATIC_LIBRARY_SUFFIX} 628 ) 629 endif() 630endfunction() 631 632function(add_llvm_install_targets target) 633 cmake_parse_arguments(ARG "" "COMPONENT;PREFIX" "DEPENDS" ${ARGN}) 634 if(ARG_COMPONENT) 635 set(component_option -DCMAKE_INSTALL_COMPONENT="${ARG_COMPONENT}") 636 endif() 637 if(ARG_PREFIX) 638 set(prefix_option -DCMAKE_INSTALL_PREFIX="${ARG_PREFIX}") 639 endif() 640 641 set(file_dependencies) 642 set(target_dependencies) 643 foreach(dependency ${ARG_DEPENDS}) 644 if(TARGET ${dependency}) 645 list(APPEND target_dependencies ${dependency}) 646 else() 647 list(APPEND file_dependencies ${dependency}) 648 endif() 649 endforeach() 650 651 add_custom_target(${target} 652 DEPENDS ${file_dependencies} 653 COMMAND "${CMAKE_COMMAND}" 654 ${component_option} 655 ${prefix_option} 656 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake" 657 USES_TERMINAL) 658 add_custom_target(${target}-stripped 659 DEPENDS ${file_dependencies} 660 COMMAND "${CMAKE_COMMAND}" 661 ${component_option} 662 ${prefix_option} 663 -DCMAKE_INSTALL_DO_STRIP=1 664 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake" 665 USES_TERMINAL) 666 if(target_dependencies) 667 add_dependencies(${target} ${target_dependencies}) 668 add_dependencies(${target}-stripped ${target_dependencies}) 669 endif() 670endfunction() 671 672macro(add_llvm_library name) 673 cmake_parse_arguments(ARG 674 "SHARED;BUILDTREE_ONLY;MODULE;INSTALL_WITH_TOOLCHAIN" 675 "" 676 "" 677 ${ARGN}) 678 if(ARG_MODULE) 679 llvm_add_library(${name} MODULE ${ARG_UNPARSED_ARGUMENTS}) 680 elseif( BUILD_SHARED_LIBS OR ARG_SHARED ) 681 llvm_add_library(${name} SHARED ${ARG_UNPARSED_ARGUMENTS}) 682 else() 683 llvm_add_library(${name} ${ARG_UNPARSED_ARGUMENTS}) 684 endif() 685 686 # Libraries that are meant to only be exposed via the build tree only are 687 # never installed and are only exported as a target in the special build tree 688 # config file. 689 if (NOT ARG_BUILDTREE_ONLY AND NOT ARG_MODULE) 690 set_property( GLOBAL APPEND PROPERTY LLVM_LIBS ${name} ) 691 set(in_llvm_libs YES) 692 endif() 693 694 if (ARG_MODULE AND NOT TARGET ${name}) 695 # Add empty "phony" target 696 add_custom_target(${name}) 697 elseif( EXCLUDE_FROM_ALL ) 698 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON) 699 elseif(ARG_BUILDTREE_ONLY) 700 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS_BUILDTREE_ONLY ${name}) 701 else() 702 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ARG_INSTALL_WITH_TOOLCHAIN) 703 704 set(export_to_llvmexports) 705 if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR 706 (in_llvm_libs AND "llvm-libraries" IN_LIST LLVM_DISTRIBUTION_COMPONENTS) OR 707 NOT LLVM_DISTRIBUTION_COMPONENTS) 708 set(export_to_llvmexports EXPORT LLVMExports) 709 set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True) 710 endif() 711 712 install(TARGETS ${name} 713 ${export_to_llvmexports} 714 LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX} COMPONENT ${name} 715 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX} COMPONENT ${name} 716 RUNTIME DESTINATION bin COMPONENT ${name}) 717 718 if (NOT LLVM_ENABLE_IDE) 719 add_llvm_install_targets(install-${name} 720 DEPENDS ${name} 721 COMPONENT ${name}) 722 endif() 723 endif() 724 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 725 endif() 726 if (ARG_MODULE) 727 set_target_properties(${name} PROPERTIES FOLDER "Loadable modules") 728 else() 729 set_target_properties(${name} PROPERTIES FOLDER "Libraries") 730 endif() 731endmacro(add_llvm_library name) 732 733macro(add_llvm_executable name) 734 cmake_parse_arguments(ARG 735 "DISABLE_LLVM_LINK_LLVM_DYLIB;IGNORE_EXTERNALIZE_DEBUGINFO;NO_INSTALL_RPATH" 736 "ENTITLEMENTS;BUNDLE_PATH" 737 "DEPENDS" 738 ${ARGN}) 739 740 llvm_process_sources( ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ) 741 742 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS}) 743 744 # Generate objlib 745 if(LLVM_ENABLE_OBJLIB) 746 # Generate an obj library for both targets. 747 set(obj_name "obj.${name}") 748 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL 749 ${ALL_FILES} 750 ) 751 llvm_update_compile_flags(${obj_name}) 752 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>") 753 754 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") 755 endif() 756 757 add_windows_version_resource_file(ALL_FILES ${ALL_FILES}) 758 759 if(XCODE) 760 # Note: the dummy.cpp source file provides no definitions. However, 761 # it forces Xcode to properly link the static library. 762 list(APPEND ALL_FILES "${LLVM_MAIN_SRC_DIR}/cmake/dummy.cpp") 763 endif() 764 765 if( EXCLUDE_FROM_ALL ) 766 add_executable(${name} EXCLUDE_FROM_ALL ${ALL_FILES}) 767 else() 768 add_executable(${name} ${ALL_FILES}) 769 endif() 770 771 setup_dependency_debugging(${name} ${LLVM_COMMON_DEPENDS}) 772 773 if(NOT ARG_NO_INSTALL_RPATH) 774 llvm_setup_rpath(${name}) 775 endif() 776 777 if(DEFINED windows_resource_file) 778 set_windows_version_resource_properties(${name} ${windows_resource_file}) 779 endif() 780 781 # $<TARGET_OBJECTS> doesn't require compile flags. 782 if(NOT LLVM_ENABLE_OBJLIB) 783 llvm_update_compile_flags(${name}) 784 endif() 785 add_link_opts( ${name} ) 786 787 # Do not add -Dname_EXPORTS to the command-line when building files in this 788 # target. Doing so is actively harmful for the modules build because it 789 # creates extra module variants, and not useful because we don't use these 790 # macros. 791 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) 792 793 if (LLVM_EXPORTED_SYMBOL_FILE) 794 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 795 endif(LLVM_EXPORTED_SYMBOL_FILE) 796 797 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB) 798 set(USE_SHARED USE_SHARED) 799 endif() 800 801 set(EXCLUDE_FROM_ALL OFF) 802 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) 803 llvm_config( ${name} ${USE_SHARED} ${LLVM_LINK_COMPONENTS} ) 804 if( LLVM_COMMON_DEPENDS ) 805 add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} ) 806 endif( LLVM_COMMON_DEPENDS ) 807 808 if(NOT ARG_IGNORE_EXTERNALIZE_DEBUGINFO) 809 llvm_externalize_debuginfo(${name}) 810 endif() 811 if (LLVM_PTHREAD_LIB) 812 # libpthreads overrides some standard library symbols, so main 813 # executable must be linked with it in order to provide consistent 814 # API for all shared libaries loaded by this executable. 815 target_link_libraries(${name} PRIVATE ${LLVM_PTHREAD_LIB}) 816 endif() 817 818 llvm_codesign(${name} ENTITLEMENTS ${ARG_ENTITLEMENTS} BUNDLE_PATH ${ARG_BUNDLE_PATH}) 819endmacro(add_llvm_executable name) 820 821function(export_executable_symbols target) 822 if (LLVM_EXPORTED_SYMBOL_FILE) 823 # The symbol file should contain the symbols we want the executable to 824 # export 825 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 826 elseif (LLVM_EXPORT_SYMBOLS_FOR_PLUGINS) 827 # Extract the symbols to export from the static libraries that the 828 # executable links against. 829 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 830 set(exported_symbol_file ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${target}.symbols) 831 # We need to consider not just the direct link dependencies, but also the 832 # transitive link dependencies. Do this by starting with the set of direct 833 # dependencies, then the dependencies of those dependencies, and so on. 834 get_target_property(new_libs ${target} LINK_LIBRARIES) 835 set(link_libs ${new_libs}) 836 while(NOT "${new_libs}" STREQUAL "") 837 foreach(lib ${new_libs}) 838 if(TARGET ${lib}) 839 get_target_property(lib_type ${lib} TYPE) 840 if("${lib_type}" STREQUAL "STATIC_LIBRARY") 841 list(APPEND static_libs ${lib}) 842 else() 843 list(APPEND other_libs ${lib}) 844 endif() 845 get_target_property(transitive_libs ${lib} INTERFACE_LINK_LIBRARIES) 846 foreach(transitive_lib ${transitive_libs}) 847 list(FIND link_libs ${transitive_lib} idx) 848 if(TARGET ${transitive_lib} AND idx EQUAL -1) 849 list(APPEND newer_libs ${transitive_lib}) 850 list(APPEND link_libs ${transitive_lib}) 851 endif() 852 endforeach(transitive_lib) 853 endif() 854 endforeach(lib) 855 set(new_libs ${newer_libs}) 856 set(newer_libs "") 857 endwhile() 858 if (MSVC) 859 set(mangling microsoft) 860 else() 861 set(mangling itanium) 862 endif() 863 add_custom_command(OUTPUT ${exported_symbol_file} 864 COMMAND ${PYTHON_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/extract_symbols.py --mangling=${mangling} ${static_libs} -o ${exported_symbol_file} 865 WORKING_DIRECTORY ${LLVM_LIBRARY_OUTPUT_INTDIR} 866 DEPENDS ${LLVM_MAIN_SRC_DIR}/utils/extract_symbols.py ${static_libs} 867 VERBATIM 868 COMMENT "Generating export list for ${target}") 869 add_llvm_symbol_exports( ${target} ${exported_symbol_file} ) 870 # If something links against this executable then we want a 871 # transitive link against only the libraries whose symbols 872 # we aren't exporting. 873 set_target_properties(${target} PROPERTIES INTERFACE_LINK_LIBRARIES "${other_libs}") 874 # The default import library suffix that cmake uses for cygwin/mingw is 875 # ".dll.a", but for clang.exe that causes a collision with libclang.dll, 876 # where the import libraries of both get named libclang.dll.a. Use a suffix 877 # of ".exe.a" to avoid this. 878 if(CYGWIN OR MINGW) 879 set_target_properties(${target} PROPERTIES IMPORT_SUFFIX ".exe.a") 880 endif() 881 elseif(NOT (WIN32 OR CYGWIN)) 882 # On Windows auto-exporting everything doesn't work because of the limit on 883 # the size of the exported symbol table, but on other platforms we can do 884 # it without any trouble. 885 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 886 if (APPLE) 887 set_property(TARGET ${target} APPEND_STRING PROPERTY 888 LINK_FLAGS " -rdynamic") 889 endif() 890 endif() 891endfunction() 892 893if(NOT LLVM_TOOLCHAIN_TOOLS) 894 set (LLVM_TOOLCHAIN_TOOLS 895 llvm-ar 896 llvm-ranlib 897 llvm-lib 898 llvm-nm 899 llvm-objcopy 900 llvm-objdump 901 llvm-rc 902 llvm-profdata 903 llvm-symbolizer 904 ) 905endif() 906 907macro(add_llvm_tool name) 908 if( NOT LLVM_BUILD_TOOLS ) 909 set(EXCLUDE_FROM_ALL ON) 910 endif() 911 add_llvm_executable(${name} ${ARGN}) 912 913 if ( ${name} IN_LIST LLVM_TOOLCHAIN_TOOLS OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 914 if( LLVM_BUILD_TOOLS ) 915 set(export_to_llvmexports) 916 if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR 917 NOT LLVM_DISTRIBUTION_COMPONENTS) 918 set(export_to_llvmexports EXPORT LLVMExports) 919 set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True) 920 endif() 921 922 install(TARGETS ${name} 923 ${export_to_llvmexports} 924 RUNTIME DESTINATION ${LLVM_TOOLS_INSTALL_DIR} 925 COMPONENT ${name}) 926 927 if (NOT LLVM_ENABLE_IDE) 928 add_llvm_install_targets(install-${name} 929 DEPENDS ${name} 930 COMPONENT ${name}) 931 endif() 932 endif() 933 endif() 934 if( LLVM_BUILD_TOOLS ) 935 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 936 endif() 937 set_target_properties(${name} PROPERTIES FOLDER "Tools") 938endmacro(add_llvm_tool name) 939 940 941macro(add_llvm_example name) 942 if( NOT LLVM_BUILD_EXAMPLES ) 943 set(EXCLUDE_FROM_ALL ON) 944 endif() 945 add_llvm_executable(${name} ${ARGN}) 946 if( LLVM_BUILD_EXAMPLES ) 947 install(TARGETS ${name} RUNTIME DESTINATION examples) 948 endif() 949 set_target_properties(${name} PROPERTIES FOLDER "Examples") 950endmacro(add_llvm_example name) 951 952# This is a macro that is used to create targets for executables that are needed 953# for development, but that are not intended to be installed by default. 954macro(add_llvm_utility name) 955 if ( NOT LLVM_BUILD_UTILS ) 956 set(EXCLUDE_FROM_ALL ON) 957 endif() 958 959 add_llvm_executable(${name} DISABLE_LLVM_LINK_LLVM_DYLIB ${ARGN}) 960 set_target_properties(${name} PROPERTIES FOLDER "Utils") 961 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 962 if (LLVM_INSTALL_UTILS AND LLVM_BUILD_UTILS) 963 set(export_to_llvmexports) 964 if (${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR 965 NOT LLVM_DISTRIBUTION_COMPONENTS) 966 set(export_to_llvmexports EXPORT LLVMExports) 967 set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True) 968 endif() 969 970 install(TARGETS ${name} 971 ${export_to_llvmexports} 972 RUNTIME DESTINATION ${LLVM_UTILS_INSTALL_DIR} 973 COMPONENT ${name}) 974 975 if (NOT LLVM_ENABLE_IDE) 976 add_llvm_install_targets(install-${name} 977 DEPENDS ${name} 978 COMPONENT ${name}) 979 endif() 980 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 981 elseif(LLVM_BUILD_UTILS) 982 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS_BUILDTREE_ONLY ${name}) 983 endif() 984 endif() 985endmacro(add_llvm_utility name) 986 987macro(add_llvm_fuzzer name) 988 cmake_parse_arguments(ARG "" "DUMMY_MAIN" "" ${ARGN}) 989 if( LLVM_LIB_FUZZING_ENGINE ) 990 set(LLVM_OPTIONAL_SOURCES ${ARG_DUMMY_MAIN}) 991 add_llvm_executable(${name} ${ARG_UNPARSED_ARGUMENTS}) 992 target_link_libraries(${name} PRIVATE ${LLVM_LIB_FUZZING_ENGINE}) 993 set_target_properties(${name} PROPERTIES FOLDER "Fuzzers") 994 elseif( LLVM_USE_SANITIZE_COVERAGE ) 995 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=fuzzer") 996 set(LLVM_OPTIONAL_SOURCES ${ARG_DUMMY_MAIN}) 997 add_llvm_executable(${name} ${ARG_UNPARSED_ARGUMENTS}) 998 set_target_properties(${name} PROPERTIES FOLDER "Fuzzers") 999 elseif( ARG_DUMMY_MAIN ) 1000 add_llvm_executable(${name} ${ARG_DUMMY_MAIN} ${ARG_UNPARSED_ARGUMENTS}) 1001 set_target_properties(${name} PROPERTIES FOLDER "Fuzzers") 1002 endif() 1003endmacro() 1004 1005macro(add_llvm_target target_name) 1006 include_directories(BEFORE 1007 ${CMAKE_CURRENT_BINARY_DIR} 1008 ${CMAKE_CURRENT_SOURCE_DIR}) 1009 add_llvm_library(LLVM${target_name} ${ARGN}) 1010 set( CURRENT_LLVM_TARGET LLVM${target_name} ) 1011endmacro(add_llvm_target) 1012 1013function(canonicalize_tool_name name output) 1014 string(REPLACE "${CMAKE_CURRENT_SOURCE_DIR}/" "" nameStrip ${name}) 1015 string(REPLACE "-" "_" nameUNDERSCORE ${nameStrip}) 1016 string(TOUPPER ${nameUNDERSCORE} nameUPPER) 1017 set(${output} "${nameUPPER}" PARENT_SCOPE) 1018endfunction(canonicalize_tool_name) 1019 1020# Custom add_subdirectory wrapper 1021# Takes in a project name (i.e. LLVM), the subdirectory name, and an optional 1022# path if it differs from the name. 1023function(add_llvm_subdirectory project type name) 1024 set(add_llvm_external_dir "${ARGN}") 1025 if("${add_llvm_external_dir}" STREQUAL "") 1026 set(add_llvm_external_dir ${name}) 1027 endif() 1028 canonicalize_tool_name(${name} nameUPPER) 1029 set(canonical_full_name ${project}_${type}_${nameUPPER}) 1030 get_property(already_processed GLOBAL PROPERTY ${canonical_full_name}_PROCESSED) 1031 if(already_processed) 1032 return() 1033 endif() 1034 set_property(GLOBAL PROPERTY ${canonical_full_name}_PROCESSED YES) 1035 1036 if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}/CMakeLists.txt) 1037 # Treat it as in-tree subproject. 1038 option(${canonical_full_name}_BUILD 1039 "Whether to build ${name} as part of ${project}" On) 1040 mark_as_advanced(${project}_${type}_${name}_BUILD) 1041 if(${canonical_full_name}_BUILD) 1042 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir} ${add_llvm_external_dir}) 1043 endif() 1044 else() 1045 set(LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR 1046 "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" 1047 CACHE PATH "Path to ${name} source directory") 1048 set(${canonical_full_name}_BUILD_DEFAULT ON) 1049 if(NOT LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR OR NOT EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}) 1050 set(${canonical_full_name}_BUILD_DEFAULT OFF) 1051 endif() 1052 if("${LLVM_EXTERNAL_${nameUPPER}_BUILD}" STREQUAL "OFF") 1053 set(${canonical_full_name}_BUILD_DEFAULT OFF) 1054 endif() 1055 option(${canonical_full_name}_BUILD 1056 "Whether to build ${name} as part of LLVM" 1057 ${${canonical_full_name}_BUILD_DEFAULT}) 1058 if (${canonical_full_name}_BUILD) 1059 if(EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}) 1060 add_subdirectory(${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} ${add_llvm_external_dir}) 1061 elseif(NOT "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" STREQUAL "") 1062 message(WARNING "Nonexistent directory for ${name}: ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}") 1063 endif() 1064 endif() 1065 endif() 1066endfunction() 1067 1068# Add external project that may want to be built as part of llvm such as Clang, 1069# lld, and Polly. This adds two options. One for the source directory of the 1070# project, which defaults to ${CMAKE_CURRENT_SOURCE_DIR}/${name}. Another to 1071# enable or disable building it with everything else. 1072# Additional parameter can be specified as the name of directory. 1073macro(add_llvm_external_project name) 1074 add_llvm_subdirectory(LLVM TOOL ${name} ${ARGN}) 1075endmacro() 1076 1077macro(add_llvm_tool_subdirectory name) 1078 add_llvm_external_project(${name}) 1079endmacro(add_llvm_tool_subdirectory) 1080 1081function(get_project_name_from_src_var var output) 1082 string(REGEX MATCH "LLVM_EXTERNAL_(.*)_SOURCE_DIR" 1083 MACHED_TOOL "${var}") 1084 if(MACHED_TOOL) 1085 set(${output} ${CMAKE_MATCH_1} PARENT_SCOPE) 1086 else() 1087 set(${output} PARENT_SCOPE) 1088 endif() 1089endfunction() 1090 1091function(create_subdirectory_options project type) 1092 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") 1093 foreach(dir ${sub-dirs}) 1094 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt") 1095 canonicalize_tool_name(${dir} name) 1096 option(${project}_${type}_${name}_BUILD 1097 "Whether to build ${name} as part of ${project}" On) 1098 mark_as_advanced(${project}_${type}_${name}_BUILD) 1099 endif() 1100 endforeach() 1101endfunction(create_subdirectory_options) 1102 1103function(create_llvm_tool_options) 1104 create_subdirectory_options(LLVM TOOL) 1105endfunction(create_llvm_tool_options) 1106 1107function(llvm_add_implicit_projects project) 1108 set(list_of_implicit_subdirs "") 1109 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") 1110 foreach(dir ${sub-dirs}) 1111 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt") 1112 canonicalize_tool_name(${dir} name) 1113 if (${project}_TOOL_${name}_BUILD) 1114 get_filename_component(fn "${dir}" NAME) 1115 list(APPEND list_of_implicit_subdirs "${fn}") 1116 endif() 1117 endif() 1118 endforeach() 1119 1120 foreach(external_proj ${list_of_implicit_subdirs}) 1121 add_llvm_subdirectory(${project} TOOL "${external_proj}" ${ARGN}) 1122 endforeach() 1123endfunction(llvm_add_implicit_projects) 1124 1125function(add_llvm_implicit_projects) 1126 llvm_add_implicit_projects(LLVM) 1127endfunction(add_llvm_implicit_projects) 1128 1129# Generic support for adding a unittest. 1130function(add_unittest test_suite test_name) 1131 if( NOT LLVM_BUILD_TESTS ) 1132 set(EXCLUDE_FROM_ALL ON) 1133 endif() 1134 1135 # Our current version of gtest does not properly recognize C++11 support 1136 # with MSVC, so it falls back to tr1 / experimental classes. Since LLVM 1137 # itself requires C++11, we can safely force it on unconditionally so that 1138 # we don't have to fight with the buggy gtest check. 1139 add_definitions(-DGTEST_LANG_CXX11=1) 1140 add_definitions(-DGTEST_HAS_TR1_TUPLE=0) 1141 1142 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include) 1143 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googlemock/include) 1144 if (NOT LLVM_ENABLE_THREADS) 1145 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_PTHREAD=0) 1146 endif () 1147 1148 if (SUPPORTS_VARIADIC_MACROS_FLAG) 1149 list(APPEND LLVM_COMPILE_FLAGS "-Wno-variadic-macros") 1150 endif () 1151 # Some parts of gtest rely on this GNU extension, don't warn on it. 1152 if(SUPPORTS_GNU_ZERO_VARIADIC_MACRO_ARGUMENTS_FLAG) 1153 list(APPEND LLVM_COMPILE_FLAGS "-Wno-gnu-zero-variadic-macro-arguments") 1154 endif() 1155 1156 set(LLVM_REQUIRES_RTTI OFF) 1157 1158 list(APPEND LLVM_LINK_COMPONENTS Support) # gtest needs it for raw_ostream 1159 add_llvm_executable(${test_name} IGNORE_EXTERNALIZE_DEBUGINFO NO_INSTALL_RPATH ${ARGN}) 1160 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}) 1161 set_output_directory(${test_name} BINARY_DIR ${outdir} LIBRARY_DIR ${outdir}) 1162 # libpthreads overrides some standard library symbols, so main 1163 # executable must be linked with it in order to provide consistent 1164 # API for all shared libaries loaded by this executable. 1165 target_link_libraries(${test_name} PRIVATE gtest_main gtest ${LLVM_PTHREAD_LIB}) 1166 1167 add_dependencies(${test_suite} ${test_name}) 1168 get_target_property(test_suite_folder ${test_suite} FOLDER) 1169 if (NOT ${test_suite_folder} STREQUAL "NOTFOUND") 1170 set_property(TARGET ${test_name} PROPERTY FOLDER "${test_suite_folder}") 1171 endif () 1172endfunction() 1173 1174# Use for test binaries that call llvm::getInputFileDirectory(). Use of this 1175# is discouraged. 1176function(add_unittest_with_input_files test_suite test_name) 1177 set(LLVM_UNITTEST_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}) 1178 configure_file( 1179 ${LLVM_MAIN_SRC_DIR}/unittests/unittest.cfg.in 1180 ${CMAKE_CURRENT_BINARY_DIR}/llvm.srcdir.txt) 1181 1182 add_unittest(${test_suite} ${test_name} ${ARGN}) 1183endfunction() 1184 1185# Generic support for adding a benchmark. 1186function(add_benchmark benchmark_name) 1187 if( NOT LLVM_BUILD_BENCHMARKS ) 1188 set(EXCLUDE_FROM_ALL ON) 1189 endif() 1190 1191 add_llvm_executable(${benchmark_name} IGNORE_EXTERNALIZE_DEBUGINFO NO_INSTALL_RPATH ${ARGN}) 1192 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}) 1193 set_output_directory(${benchmark_name} BINARY_DIR ${outdir} LIBRARY_DIR ${outdir}) 1194 set_property(TARGET ${benchmark_name} PROPERTY FOLDER "Utils") 1195 target_link_libraries(${benchmark_name} PRIVATE benchmark) 1196endfunction() 1197 1198function(llvm_add_go_executable binary pkgpath) 1199 cmake_parse_arguments(ARG "ALL" "" "DEPENDS;GOFLAGS" ${ARGN}) 1200 1201 if(LLVM_BINDINGS MATCHES "go") 1202 # FIXME: This should depend only on the libraries Go needs. 1203 get_property(llvmlibs GLOBAL PROPERTY LLVM_LIBS) 1204 set(binpath ${CMAKE_BINARY_DIR}/bin/${binary}${CMAKE_EXECUTABLE_SUFFIX}) 1205 set(cc "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}") 1206 set(cxx "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}") 1207 set(cppflags "") 1208 get_property(include_dirs DIRECTORY PROPERTY INCLUDE_DIRECTORIES) 1209 foreach(d ${include_dirs}) 1210 set(cppflags "${cppflags} -I${d}") 1211 endforeach(d) 1212 set(ldflags "${CMAKE_EXE_LINKER_FLAGS}") 1213 add_custom_command(OUTPUT ${binpath} 1214 COMMAND ${CMAKE_BINARY_DIR}/bin/llvm-go "go=${GO_EXECUTABLE}" "cc=${cc}" "cxx=${cxx}" "cppflags=${cppflags}" "ldflags=${ldflags}" "packages=${LLVM_GO_PACKAGES}" 1215 ${ARG_GOFLAGS} build -o ${binpath} ${pkgpath} 1216 DEPENDS llvm-config ${CMAKE_BINARY_DIR}/bin/llvm-go${CMAKE_EXECUTABLE_SUFFIX} 1217 ${llvmlibs} ${ARG_DEPENDS} 1218 COMMENT "Building Go executable ${binary}" 1219 VERBATIM) 1220 if (ARG_ALL) 1221 add_custom_target(${binary} ALL DEPENDS ${binpath}) 1222 else() 1223 add_custom_target(${binary} DEPENDS ${binpath}) 1224 endif() 1225 endif() 1226endfunction() 1227 1228# This function canonicalize the CMake variables passed by names 1229# from CMake boolean to 0/1 suitable for passing into Python or C++, 1230# in place. 1231function(llvm_canonicalize_cmake_booleans) 1232 foreach(var ${ARGN}) 1233 if(${var}) 1234 set(${var} 1 PARENT_SCOPE) 1235 else() 1236 set(${var} 0 PARENT_SCOPE) 1237 endif() 1238 endforeach() 1239endfunction(llvm_canonicalize_cmake_booleans) 1240 1241macro(set_llvm_build_mode) 1242 # Configuration-time: See Unit/lit.site.cfg.in 1243 if (CMAKE_CFG_INTDIR STREQUAL ".") 1244 set(LLVM_BUILD_MODE ".") 1245 else () 1246 set(LLVM_BUILD_MODE "%(build_mode)s") 1247 endif () 1248endmacro() 1249 1250# This function provides an automatic way to 'configure'-like generate a file 1251# based on a set of common and custom variables, specifically targeting the 1252# variables needed for the 'lit.site.cfg' files. This function bundles the 1253# common variables that any Lit instance is likely to need, and custom 1254# variables can be passed in. 1255function(configure_lit_site_cfg site_in site_out) 1256 cmake_parse_arguments(ARG "" "" "MAIN_CONFIG;OUTPUT_MAPPING" ${ARGN}) 1257 1258 if ("${ARG_MAIN_CONFIG}" STREQUAL "") 1259 get_filename_component(INPUT_DIR ${site_in} DIRECTORY) 1260 set(ARG_MAIN_CONFIG "${INPUT_DIR}/lit.cfg") 1261 endif() 1262 if ("${ARG_OUTPUT_MAPPING}" STREQUAL "") 1263 set(ARG_OUTPUT_MAPPING "${site_out}") 1264 endif() 1265 1266 foreach(c ${LLVM_TARGETS_TO_BUILD}) 1267 set(TARGETS_BUILT "${TARGETS_BUILT} ${c}") 1268 endforeach(c) 1269 set(TARGETS_TO_BUILD ${TARGETS_BUILT}) 1270 1271 set(SHLIBEXT "${LTDL_SHLIB_EXT}") 1272 1273 set_llvm_build_mode() 1274 1275 # They below might not be the build tree but provided binary tree. 1276 set(LLVM_SOURCE_DIR ${LLVM_MAIN_SRC_DIR}) 1277 set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR}) 1278 string(REPLACE "${CMAKE_CFG_INTDIR}" "${LLVM_BUILD_MODE}" LLVM_TOOLS_DIR "${LLVM_TOOLS_BINARY_DIR}") 1279 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_LIBS_DIR "${LLVM_LIBRARY_DIR}") 1280 1281 # SHLIBDIR points the build tree. 1282 string(REPLACE "${CMAKE_CFG_INTDIR}" "${LLVM_BUILD_MODE}" SHLIBDIR "${LLVM_SHLIB_OUTPUT_INTDIR}") 1283 1284 set(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE}) 1285 # FIXME: "ENABLE_SHARED" doesn't make sense, since it is used just for 1286 # plugins. We may rename it. 1287 if(LLVM_ENABLE_PLUGINS) 1288 set(ENABLE_SHARED "1") 1289 else() 1290 set(ENABLE_SHARED "0") 1291 endif() 1292 1293 if(LLVM_ENABLE_ASSERTIONS AND NOT MSVC_IDE) 1294 set(ENABLE_ASSERTIONS "1") 1295 else() 1296 set(ENABLE_ASSERTIONS "0") 1297 endif() 1298 1299 set(HOST_OS ${CMAKE_SYSTEM_NAME}) 1300 set(HOST_ARCH ${CMAKE_SYSTEM_PROCESSOR}) 1301 1302 set(HOST_CC "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}") 1303 set(HOST_CXX "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}") 1304 set(HOST_LDFLAGS "${CMAKE_EXE_LINKER_FLAGS}") 1305 1306 set(LIT_SITE_CFG_IN_HEADER "## Autogenerated from ${site_in}\n## Do not edit!") 1307 1308 # Override config_target_triple (and the env) 1309 if(LLVM_TARGET_TRIPLE_ENV) 1310 # This is expanded into the heading. 1311 string(CONCAT LIT_SITE_CFG_IN_HEADER "${LIT_SITE_CFG_IN_HEADER}\n\n" 1312 "import os\n" 1313 "target_env = \"${LLVM_TARGET_TRIPLE_ENV}\"\n" 1314 "config.target_triple = config.environment[target_env] = os.environ.get(target_env, \"${TARGET_TRIPLE}\")\n" 1315 ) 1316 1317 # This is expanded to; config.target_triple = ""+config.target_triple+"" 1318 set(TARGET_TRIPLE "\"+config.target_triple+\"") 1319 endif() 1320 1321 configure_file(${site_in} ${site_out} @ONLY) 1322 if (EXISTS "${ARG_MAIN_CONFIG}") 1323 set(PYTHON_STATEMENT "map_config('${ARG_MAIN_CONFIG}', '${site_out}')") 1324 get_property(LLVM_LIT_CONFIG_MAP GLOBAL PROPERTY LLVM_LIT_CONFIG_MAP) 1325 set(LLVM_LIT_CONFIG_MAP "${LLVM_LIT_CONFIG_MAP}\n${PYTHON_STATEMENT}") 1326 set_property(GLOBAL PROPERTY LLVM_LIT_CONFIG_MAP ${LLVM_LIT_CONFIG_MAP}) 1327 endif() 1328endfunction() 1329 1330function(dump_all_cmake_variables) 1331 get_cmake_property(_variableNames VARIABLES) 1332 foreach (_variableName ${_variableNames}) 1333 message(STATUS "${_variableName}=${${_variableName}}") 1334 endforeach() 1335endfunction() 1336 1337function(get_llvm_lit_path base_dir file_name) 1338 cmake_parse_arguments(ARG "ALLOW_EXTERNAL" "" "" ${ARGN}) 1339 1340 if (ARG_ALLOW_EXTERNAL) 1341 set (LLVM_EXTERNAL_LIT "" CACHE STRING "Command used to spawn lit") 1342 if ("${LLVM_EXTERNAL_LIT}" STREQUAL "") 1343 set(LLVM_EXTERNAL_LIT "${LLVM_DEFAULT_EXTERNAL_LIT}") 1344 endif() 1345 1346 if (NOT "${LLVM_EXTERNAL_LIT}" STREQUAL "") 1347 if (EXISTS ${LLVM_EXTERNAL_LIT}) 1348 get_filename_component(LIT_FILE_NAME ${LLVM_EXTERNAL_LIT} NAME) 1349 get_filename_component(LIT_BASE_DIR ${LLVM_EXTERNAL_LIT} DIRECTORY) 1350 set(${file_name} ${LIT_FILE_NAME} PARENT_SCOPE) 1351 set(${base_dir} ${LIT_BASE_DIR} PARENT_SCOPE) 1352 return() 1353 else() 1354 message(WARNING "LLVM_EXTERNAL_LIT set to ${LLVM_EXTERNAL_LIT}, but the path does not exist.") 1355 endif() 1356 endif() 1357 endif() 1358 1359 set(lit_file_name "llvm-lit") 1360 if (CMAKE_HOST_WIN32 AND NOT CYGWIN) 1361 # llvm-lit needs suffix.py for multiprocess to find a main module. 1362 set(lit_file_name "${lit_file_name}.py") 1363 endif () 1364 set(${file_name} ${lit_file_name} PARENT_SCOPE) 1365 1366 get_property(LLVM_LIT_BASE_DIR GLOBAL PROPERTY LLVM_LIT_BASE_DIR) 1367 if (NOT "${LLVM_LIT_BASE_DIR}" STREQUAL "") 1368 set(${base_dir} ${LLVM_LIT_BASE_DIR} PARENT_SCOPE) 1369 endif() 1370 1371 # Allow individual projects to provide an override 1372 if (NOT "${LLVM_LIT_OUTPUT_DIR}" STREQUAL "") 1373 set(LLVM_LIT_BASE_DIR ${LLVM_LIT_OUTPUT_DIR}) 1374 elseif(NOT "${LLVM_RUNTIME_OUTPUT_INTDIR}" STREQUAL "") 1375 set(LLVM_LIT_BASE_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR}) 1376 else() 1377 set(LLVM_LIT_BASE_DIR "") 1378 endif() 1379 1380 # Cache this so we don't have to do it again and have subsequent calls 1381 # potentially disagree on the value. 1382 set_property(GLOBAL PROPERTY LLVM_LIT_BASE_DIR ${LLVM_LIT_BASE_DIR}) 1383 set(${base_dir} ${LLVM_LIT_BASE_DIR} PARENT_SCOPE) 1384endfunction() 1385 1386# A raw function to create a lit target. This is used to implement the testuite 1387# management functions. 1388function(add_lit_target target comment) 1389 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1390 set(LIT_ARGS "${ARG_ARGS} ${LLVM_LIT_ARGS}") 1391 separate_arguments(LIT_ARGS) 1392 if (NOT CMAKE_CFG_INTDIR STREQUAL ".") 1393 list(APPEND LIT_ARGS --param build_mode=${CMAKE_CFG_INTDIR}) 1394 endif () 1395 1396 # Get the path to the lit to *run* tests with. This can be overriden by 1397 # the user by specifying -DLLVM_EXTERNAL_LIT=<path-to-lit.py> 1398 get_llvm_lit_path( 1399 lit_base_dir 1400 lit_file_name 1401 ALLOW_EXTERNAL 1402 ) 1403 1404 set(LIT_COMMAND "${PYTHON_EXECUTABLE};${lit_base_dir}/${lit_file_name}") 1405 list(APPEND LIT_COMMAND ${LIT_ARGS}) 1406 foreach(param ${ARG_PARAMS}) 1407 list(APPEND LIT_COMMAND --param ${param}) 1408 endforeach() 1409 if (ARG_UNPARSED_ARGUMENTS) 1410 add_custom_target(${target} 1411 COMMAND ${LIT_COMMAND} ${ARG_UNPARSED_ARGUMENTS} 1412 COMMENT "${comment}" 1413 USES_TERMINAL 1414 ) 1415 else() 1416 add_custom_target(${target} 1417 COMMAND ${CMAKE_COMMAND} -E echo "${target} does nothing, no tools built.") 1418 message(STATUS "${target} does nothing.") 1419 endif() 1420 1421 if (ARG_DEPENDS) 1422 add_dependencies(${target} ${ARG_DEPENDS}) 1423 endif() 1424 1425 # Tests should be excluded from "Build Solution". 1426 set_target_properties(${target} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD ON) 1427endfunction() 1428 1429# A function to add a set of lit test suites to be driven through 'check-*' targets. 1430function(add_lit_testsuite target comment) 1431 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1432 1433 # EXCLUDE_FROM_ALL excludes the test ${target} out of check-all. 1434 if(NOT EXCLUDE_FROM_ALL) 1435 # Register the testsuites, params and depends for the global check rule. 1436 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_TESTSUITES ${ARG_UNPARSED_ARGUMENTS}) 1437 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_PARAMS ${ARG_PARAMS}) 1438 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_DEPENDS ${ARG_DEPENDS}) 1439 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_EXTRA_ARGS ${ARG_ARGS}) 1440 endif() 1441 1442 # Produce a specific suffixed check rule. 1443 add_lit_target(${target} ${comment} 1444 ${ARG_UNPARSED_ARGUMENTS} 1445 PARAMS ${ARG_PARAMS} 1446 DEPENDS ${ARG_DEPENDS} 1447 ARGS ${ARG_ARGS} 1448 ) 1449endfunction() 1450 1451function(add_lit_testsuites project directory) 1452 if (NOT LLVM_ENABLE_IDE) 1453 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1454 1455 # Search recursively for test directories by assuming anything not 1456 # in a directory called Inputs contains tests. 1457 file(GLOB_RECURSE to_process LIST_DIRECTORIES true ${directory}/*) 1458 foreach(lit_suite ${to_process}) 1459 if(NOT IS_DIRECTORY ${lit_suite}) 1460 continue() 1461 endif() 1462 string(FIND ${lit_suite} Inputs is_inputs) 1463 string(FIND ${lit_suite} Output is_output) 1464 if (NOT (is_inputs EQUAL -1 AND is_output EQUAL -1)) 1465 continue() 1466 endif() 1467 1468 # Create a check- target for the directory. 1469 string(REPLACE ${directory} "" name_slash ${lit_suite}) 1470 if (name_slash) 1471 string(REPLACE "/" "-" name_slash ${name_slash}) 1472 string(REPLACE "\\" "-" name_dashes ${name_slash}) 1473 string(TOLOWER "${project}${name_dashes}" name_var) 1474 add_lit_target("check-${name_var}" "Running lit suite ${lit_suite}" 1475 ${lit_suite} 1476 PARAMS ${ARG_PARAMS} 1477 DEPENDS ${ARG_DEPENDS} 1478 ARGS ${ARG_ARGS} 1479 ) 1480 endif() 1481 endforeach() 1482 endif() 1483endfunction() 1484 1485function(llvm_install_library_symlink name dest type) 1486 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "COMPONENT" "" ${ARGN}) 1487 foreach(path ${CMAKE_MODULE_PATH}) 1488 if(EXISTS ${path}/LLVMInstallSymlink.cmake) 1489 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake) 1490 break() 1491 endif() 1492 endforeach() 1493 1494 set(component ${ARG_COMPONENT}) 1495 if(NOT component) 1496 set(component ${name}) 1497 endif() 1498 1499 set(full_name ${CMAKE_${type}_LIBRARY_PREFIX}${name}${CMAKE_${type}_LIBRARY_SUFFIX}) 1500 set(full_dest ${CMAKE_${type}_LIBRARY_PREFIX}${dest}${CMAKE_${type}_LIBRARY_SUFFIX}) 1501 1502 set(output_dir lib${LLVM_LIBDIR_SUFFIX}) 1503 if(WIN32 AND "${type}" STREQUAL "SHARED") 1504 set(output_dir bin) 1505 endif() 1506 1507 install(SCRIPT ${INSTALL_SYMLINK} 1508 CODE "install_symlink(${full_name} ${full_dest} ${output_dir})" 1509 COMPONENT ${component}) 1510 1511 if (NOT LLVM_ENABLE_IDE AND NOT ARG_ALWAYS_GENERATE) 1512 add_llvm_install_targets(install-${name} 1513 DEPENDS ${name} ${dest} install-${dest} 1514 COMPONENT ${name}) 1515 endif() 1516endfunction() 1517 1518function(llvm_install_symlink name dest) 1519 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "COMPONENT" "" ${ARGN}) 1520 foreach(path ${CMAKE_MODULE_PATH}) 1521 if(EXISTS ${path}/LLVMInstallSymlink.cmake) 1522 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake) 1523 break() 1524 endif() 1525 endforeach() 1526 1527 if(ARG_COMPONENT) 1528 set(component ${ARG_COMPONENT}) 1529 else() 1530 if(ARG_ALWAYS_GENERATE) 1531 set(component ${dest}) 1532 else() 1533 set(component ${name}) 1534 endif() 1535 endif() 1536 1537 set(full_name ${name}${CMAKE_EXECUTABLE_SUFFIX}) 1538 set(full_dest ${dest}${CMAKE_EXECUTABLE_SUFFIX}) 1539 1540 install(SCRIPT ${INSTALL_SYMLINK} 1541 CODE "install_symlink(${full_name} ${full_dest} ${LLVM_TOOLS_INSTALL_DIR})" 1542 COMPONENT ${component}) 1543 1544 if (NOT LLVM_ENABLE_IDE AND NOT ARG_ALWAYS_GENERATE) 1545 add_llvm_install_targets(install-${name} 1546 DEPENDS ${name} ${dest} install-${dest} 1547 COMPONENT ${name}) 1548 endif() 1549endfunction() 1550 1551function(add_llvm_tool_symlink link_name target) 1552 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "OUTPUT_DIR" "" ${ARGN}) 1553 set(dest_binary "$<TARGET_FILE:${target}>") 1554 1555 # This got a bit gross... For multi-configuration generators the target 1556 # properties return the resolved value of the string, not the build system 1557 # expression. To reconstruct the platform-agnostic path we have to do some 1558 # magic. First we grab one of the types, and a type-specific path. Then from 1559 # the type-specific path we find the last occurrence of the type in the path, 1560 # and replace it with CMAKE_CFG_INTDIR. This allows the build step to be type 1561 # agnostic again. 1562 if(NOT ARG_OUTPUT_DIR) 1563 # If you're not overriding the OUTPUT_DIR, we can make the link relative in 1564 # the same directory. 1565 if(CMAKE_HOST_UNIX) 1566 set(dest_binary "$<TARGET_FILE_NAME:${target}>") 1567 endif() 1568 if(CMAKE_CONFIGURATION_TYPES) 1569 list(GET CMAKE_CONFIGURATION_TYPES 0 first_type) 1570 string(TOUPPER ${first_type} first_type_upper) 1571 set(first_type_suffix _${first_type_upper}) 1572 endif() 1573 get_target_property(target_type ${target} TYPE) 1574 if(${target_type} STREQUAL "STATIC_LIBRARY") 1575 get_target_property(ARG_OUTPUT_DIR ${target} ARCHIVE_OUTPUT_DIRECTORY${first_type_suffix}) 1576 elseif(UNIX AND ${target_type} STREQUAL "SHARED_LIBRARY") 1577 get_target_property(ARG_OUTPUT_DIR ${target} LIBRARY_OUTPUT_DIRECTORY${first_type_suffix}) 1578 else() 1579 get_target_property(ARG_OUTPUT_DIR ${target} RUNTIME_OUTPUT_DIRECTORY${first_type_suffix}) 1580 endif() 1581 if(CMAKE_CONFIGURATION_TYPES) 1582 string(FIND "${ARG_OUTPUT_DIR}" "/${first_type}/" type_start REVERSE) 1583 string(SUBSTRING "${ARG_OUTPUT_DIR}" 0 ${type_start} path_prefix) 1584 string(SUBSTRING "${ARG_OUTPUT_DIR}" ${type_start} -1 path_suffix) 1585 string(REPLACE "/${first_type}/" "/${CMAKE_CFG_INTDIR}/" 1586 path_suffix ${path_suffix}) 1587 set(ARG_OUTPUT_DIR ${path_prefix}${path_suffix}) 1588 endif() 1589 endif() 1590 1591 if(CMAKE_HOST_UNIX) 1592 set(LLVM_LINK_OR_COPY create_symlink) 1593 else() 1594 set(LLVM_LINK_OR_COPY copy) 1595 endif() 1596 1597 set(output_path "${ARG_OUTPUT_DIR}/${link_name}${CMAKE_EXECUTABLE_SUFFIX}") 1598 1599 set(target_name ${link_name}) 1600 if(TARGET ${link_name}) 1601 set(target_name ${link_name}-link) 1602 endif() 1603 1604 1605 if(ARG_ALWAYS_GENERATE) 1606 set_property(DIRECTORY APPEND PROPERTY 1607 ADDITIONAL_MAKE_CLEAN_FILES ${dest_binary}) 1608 add_custom_command(TARGET ${target} POST_BUILD 1609 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}") 1610 else() 1611 add_custom_command(OUTPUT ${output_path} 1612 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}" 1613 DEPENDS ${target}) 1614 add_custom_target(${target_name} ALL DEPENDS ${target} ${output_path}) 1615 set_target_properties(${target_name} PROPERTIES FOLDER Tools) 1616 1617 # Make sure both the link and target are toolchain tools 1618 if (${link_name} IN_LIST LLVM_TOOLCHAIN_TOOLS AND ${target} IN_LIST LLVM_TOOLCHAIN_TOOLS) 1619 set(TOOL_IS_TOOLCHAIN ON) 1620 endif() 1621 1622 if ((TOOL_IS_TOOLCHAIN OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) AND LLVM_BUILD_TOOLS) 1623 llvm_install_symlink(${link_name} ${target}) 1624 endif() 1625 endif() 1626endfunction() 1627 1628function(llvm_externalize_debuginfo name) 1629 if(NOT LLVM_EXTERNALIZE_DEBUGINFO) 1630 return() 1631 endif() 1632 1633 if(NOT LLVM_EXTERNALIZE_DEBUGINFO_SKIP_STRIP) 1634 if(APPLE) 1635 if(NOT CMAKE_STRIP) 1636 set(CMAKE_STRIP xcrun strip) 1637 endif() 1638 set(strip_command COMMAND ${CMAKE_STRIP} -Sxl $<TARGET_FILE:${name}>) 1639 else() 1640 set(strip_command COMMAND ${CMAKE_STRIP} -g -x $<TARGET_FILE:${name}>) 1641 endif() 1642 endif() 1643 1644 if(APPLE) 1645 if(LLVM_EXTERNALIZE_DEBUGINFO_EXTENSION) 1646 set(file_ext ${LLVM_EXTERNALIZE_DEBUGINFO_EXTENSION}) 1647 else() 1648 set(file_ext dSYM) 1649 endif() 1650 1651 set(output_name "$<TARGET_FILE_NAME:${name}>.${file_ext}") 1652 1653 if(LLVM_EXTERNALIZE_DEBUGINFO_OUTPUT_DIR) 1654 set(output_path "-o=${LLVM_EXTERNALIZE_DEBUGINFO_OUTPUT_DIR}/${output_name}") 1655 else() 1656 set(output_path "-o=${output_name}") 1657 endif() 1658 1659 if(CMAKE_CXX_FLAGS MATCHES "-flto" 1660 OR CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE} MATCHES "-flto") 1661 1662 set(lto_object ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${name}-lto.o) 1663 set_property(TARGET ${name} APPEND_STRING PROPERTY 1664 LINK_FLAGS " -Wl,-object_path_lto,${lto_object}") 1665 endif() 1666 if(NOT CMAKE_DSYMUTIL) 1667 set(CMAKE_DSYMUTIL xcrun dsymutil) 1668 endif() 1669 add_custom_command(TARGET ${name} POST_BUILD 1670 COMMAND ${CMAKE_DSYMUTIL} ${output_path} $<TARGET_FILE:${name}> 1671 ${strip_command} 1672 ) 1673 else() 1674 add_custom_command(TARGET ${name} POST_BUILD 1675 COMMAND ${CMAKE_OBJCOPY} --only-keep-debug $<TARGET_FILE:${name}> $<TARGET_FILE:${name}>.debug 1676 ${strip_command} -R .gnu_debuglink 1677 COMMAND ${CMAKE_OBJCOPY} --add-gnu-debuglink=$<TARGET_FILE:${name}>.debug $<TARGET_FILE:${name}> 1678 ) 1679 endif() 1680endfunction() 1681 1682# Usage: llvm_codesign(name [FORCE] [ENTITLEMENTS file] [BUNDLE_PATH path]) 1683function(llvm_codesign name) 1684 cmake_parse_arguments(ARG "FORCE" "ENTITLEMENTS;BUNDLE_PATH" "" ${ARGN}) 1685 1686 if(NOT LLVM_CODESIGNING_IDENTITY) 1687 return() 1688 endif() 1689 1690 if(CMAKE_GENERATOR STREQUAL "Xcode") 1691 set_target_properties(${name} PROPERTIES 1692 XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY ${LLVM_CODESIGNING_IDENTITY} 1693 ) 1694 if(DEFINED ARG_ENTITLEMENTS) 1695 set_target_properties(${name} PROPERTIES 1696 XCODE_ATTRIBUTE_CODE_SIGN_ENTITLEMENTS ${ARG_ENTITLEMENTS} 1697 ) 1698 endif() 1699 elseif(APPLE AND CMAKE_HOST_SYSTEM_NAME MATCHES Darwin) 1700 if(NOT CMAKE_CODESIGN) 1701 set(CMAKE_CODESIGN xcrun codesign) 1702 endif() 1703 if(NOT CMAKE_CODESIGN_ALLOCATE) 1704 execute_process( 1705 COMMAND xcrun -f codesign_allocate 1706 OUTPUT_STRIP_TRAILING_WHITESPACE 1707 OUTPUT_VARIABLE CMAKE_CODESIGN_ALLOCATE 1708 ) 1709 endif() 1710 if(DEFINED ARG_ENTITLEMENTS) 1711 set(pass_entitlements --entitlements ${ARG_ENTITLEMENTS}) 1712 endif() 1713 1714 if (NOT ARG_BUNDLE_PATH) 1715 set(ARG_BUNDLE_PATH $<TARGET_FILE:${name}>) 1716 endif() 1717 1718 if(ARG_FORCE) 1719 set(force_flag "-f") 1720 endif() 1721 1722 add_custom_command( 1723 TARGET ${name} POST_BUILD 1724 COMMAND ${CMAKE_COMMAND} -E 1725 env CODESIGN_ALLOCATE=${CMAKE_CODESIGN_ALLOCATE} 1726 ${CMAKE_CODESIGN} -s ${LLVM_CODESIGNING_IDENTITY} 1727 ${pass_entitlements} ${force_flag} ${ARG_BUNDLE_PATH} 1728 ) 1729 endif() 1730endfunction() 1731 1732function(llvm_setup_rpath name) 1733 if(CMAKE_INSTALL_RPATH) 1734 return() 1735 endif() 1736 1737 if(LLVM_INSTALL_PREFIX AND NOT (LLVM_INSTALL_PREFIX STREQUAL CMAKE_INSTALL_PREFIX)) 1738 set(extra_libdir ${LLVM_LIBRARY_DIR}) 1739 elseif(LLVM_BUILD_LIBRARY_DIR) 1740 set(extra_libdir ${LLVM_LIBRARY_DIR}) 1741 endif() 1742 1743 if (APPLE) 1744 set(_install_name_dir INSTALL_NAME_DIR "@rpath") 1745 set(_install_rpath "@loader_path/../lib${LLVM_LIBDIR_SUFFIX}" ${extra_libdir}) 1746 elseif(UNIX) 1747 set(_install_rpath "\$ORIGIN/../lib${LLVM_LIBDIR_SUFFIX}" ${extra_libdir}) 1748 if(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)") 1749 set_property(TARGET ${name} APPEND_STRING PROPERTY 1750 LINK_FLAGS " -Wl,-z,origin ") 1751 endif() 1752 if(LLVM_LINKER_IS_GNULD) 1753 # $ORIGIN is not interpreted at link time by ld.bfd 1754 set_property(TARGET ${name} APPEND_STRING PROPERTY 1755 LINK_FLAGS " -Wl,-rpath-link,${LLVM_LIBRARY_OUTPUT_INTDIR} ") 1756 endif() 1757 else() 1758 return() 1759 endif() 1760 1761 set_target_properties(${name} PROPERTIES 1762 BUILD_WITH_INSTALL_RPATH On 1763 INSTALL_RPATH "${_install_rpath}" 1764 ${_install_name_dir}) 1765endfunction() 1766 1767function(setup_dependency_debugging name) 1768 if(NOT LLVM_DEPENDENCY_DEBUGGING) 1769 return() 1770 endif() 1771 1772 if("intrinsics_gen" IN_LIST ARGN) 1773 return() 1774 endif() 1775 1776 set(deny_attributes_inc "(deny file* (literal \"${LLVM_BINARY_DIR}/include/llvm/IR/Attributes.inc\"))") 1777 set(deny_intrinsics_inc "(deny file* (literal \"${LLVM_BINARY_DIR}/include/llvm/IR/Intrinsics.inc\"))") 1778 1779 set(sandbox_command "sandbox-exec -p '(version 1) (allow default) ${deny_attributes_inc} ${deny_intrinsics_inc}'") 1780 set_target_properties(${name} PROPERTIES RULE_LAUNCH_COMPILE ${sandbox_command}) 1781endfunction() 1782 1783function(find_first_existing_vc_file path out_var) 1784 if(NOT EXISTS "${path}") 1785 return() 1786 endif() 1787 if(EXISTS "${path}/.svn") 1788 set(svn_files 1789 "${path}/.svn/wc.db" # SVN 1.7 1790 "${path}/.svn/entries" # SVN 1.6 1791 ) 1792 foreach(file IN LISTS svn_files) 1793 if(EXISTS "${file}") 1794 set(${out_var} "${file}" PARENT_SCOPE) 1795 return() 1796 endif() 1797 endforeach() 1798 else() 1799 find_package(Git) 1800 if(GIT_FOUND) 1801 execute_process(COMMAND ${GIT_EXECUTABLE} rev-parse --git-dir 1802 WORKING_DIRECTORY ${path} 1803 RESULT_VARIABLE git_result 1804 OUTPUT_VARIABLE git_output 1805 ERROR_QUIET) 1806 if(git_result EQUAL 0) 1807 string(STRIP "${git_output}" git_output) 1808 get_filename_component(git_dir ${git_output} ABSOLUTE BASE_DIR ${path}) 1809 # Some branchless cases (e.g. 'repo') may not yet have .git/logs/HEAD 1810 if (NOT EXISTS "${git_dir}/logs/HEAD") 1811 file(WRITE "${git_dir}/logs/HEAD" "") 1812 endif() 1813 set(${out_var} "${git_dir}/logs/HEAD" PARENT_SCOPE) 1814 endif() 1815 endif() 1816 endif() 1817endfunction() 1818