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 ${target_name} APPEND_STRING PROPERTY 226 LINK_FLAGS " -Wl,--gc-sections") 227 # Note that there is a bug with -Wl,--icf=safe so it is not safe 228 # to enable. See https://sourceware.org/bugzilla/show_bug.cgi?id=17704. 229 endif() 230 231 if(NOT LLVM_NO_DEAD_STRIP) 232 if(${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 ${target_name} APPEND_STRING PROPERTY 246 LINK_FLAGS " -Wl,--gc-sections") 247 endif() 248 else() #LLVM_NO_DEAD_STRIP 249 if(${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 ${target} APPEND_STRING PROPERTY 888 LINK_FLAGS " -rdynamic") 889 endif() 890 endif() 891endfunction() 892 893if(NOT LLVM_TOOLCHAIN_TOOLS) 894 set (LLVM_TOOLCHAIN_TOOLS 895 llvm-ar 896 llvm-cxxfilt 897 llvm-ranlib 898 llvm-lib 899 llvm-nm 900 llvm-objcopy 901 llvm-objdump 902 llvm-rc 903 llvm-size 904 llvm-strings 905 llvm-strip 906 llvm-profdata 907 llvm-symbolizer 908 # symlink version of some of above tools that are enabled by 909 # LLVM_INSTALL_BINUTILS_SYMLINKS. 910 addr2line 911 ar 912 c++filt 913 ranlib 914 nm 915 objcopy 916 objdump 917 size 918 strings 919 strip 920 ) 921endif() 922 923macro(add_llvm_tool name) 924 if( NOT LLVM_BUILD_TOOLS ) 925 set(EXCLUDE_FROM_ALL ON) 926 endif() 927 add_llvm_executable(${name} ${ARGN}) 928 929 if ( ${name} IN_LIST LLVM_TOOLCHAIN_TOOLS OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 930 if( LLVM_BUILD_TOOLS ) 931 set(export_to_llvmexports) 932 if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR 933 NOT LLVM_DISTRIBUTION_COMPONENTS) 934 set(export_to_llvmexports EXPORT LLVMExports) 935 set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True) 936 endif() 937 938 install(TARGETS ${name} 939 ${export_to_llvmexports} 940 RUNTIME DESTINATION ${LLVM_TOOLS_INSTALL_DIR} 941 COMPONENT ${name}) 942 943 if (NOT LLVM_ENABLE_IDE) 944 add_llvm_install_targets(install-${name} 945 DEPENDS ${name} 946 COMPONENT ${name}) 947 endif() 948 endif() 949 endif() 950 if( LLVM_BUILD_TOOLS ) 951 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 952 endif() 953 set_target_properties(${name} PROPERTIES FOLDER "Tools") 954endmacro(add_llvm_tool name) 955 956 957macro(add_llvm_example name) 958 if( NOT LLVM_BUILD_EXAMPLES ) 959 set(EXCLUDE_FROM_ALL ON) 960 endif() 961 add_llvm_executable(${name} ${ARGN}) 962 if( LLVM_BUILD_EXAMPLES ) 963 install(TARGETS ${name} RUNTIME DESTINATION examples) 964 endif() 965 set_target_properties(${name} PROPERTIES FOLDER "Examples") 966endmacro(add_llvm_example name) 967 968# This is a macro that is used to create targets for executables that are needed 969# for development, but that are not intended to be installed by default. 970macro(add_llvm_utility name) 971 if ( NOT LLVM_BUILD_UTILS ) 972 set(EXCLUDE_FROM_ALL ON) 973 endif() 974 975 add_llvm_executable(${name} DISABLE_LLVM_LINK_LLVM_DYLIB ${ARGN}) 976 set_target_properties(${name} PROPERTIES FOLDER "Utils") 977 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 978 if (LLVM_INSTALL_UTILS AND LLVM_BUILD_UTILS) 979 set(export_to_llvmexports) 980 if (${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR 981 NOT LLVM_DISTRIBUTION_COMPONENTS) 982 set(export_to_llvmexports EXPORT LLVMExports) 983 set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True) 984 endif() 985 986 install(TARGETS ${name} 987 ${export_to_llvmexports} 988 RUNTIME DESTINATION ${LLVM_UTILS_INSTALL_DIR} 989 COMPONENT ${name}) 990 991 if (NOT LLVM_ENABLE_IDE) 992 add_llvm_install_targets(install-${name} 993 DEPENDS ${name} 994 COMPONENT ${name}) 995 endif() 996 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 997 elseif(LLVM_BUILD_UTILS) 998 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS_BUILDTREE_ONLY ${name}) 999 endif() 1000 endif() 1001endmacro(add_llvm_utility name) 1002 1003macro(add_llvm_fuzzer name) 1004 cmake_parse_arguments(ARG "" "DUMMY_MAIN" "" ${ARGN}) 1005 if( LLVM_LIB_FUZZING_ENGINE ) 1006 set(LLVM_OPTIONAL_SOURCES ${ARG_DUMMY_MAIN}) 1007 add_llvm_executable(${name} ${ARG_UNPARSED_ARGUMENTS}) 1008 target_link_libraries(${name} PRIVATE ${LLVM_LIB_FUZZING_ENGINE}) 1009 set_target_properties(${name} PROPERTIES FOLDER "Fuzzers") 1010 elseif( LLVM_USE_SANITIZE_COVERAGE ) 1011 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=fuzzer") 1012 set(LLVM_OPTIONAL_SOURCES ${ARG_DUMMY_MAIN}) 1013 add_llvm_executable(${name} ${ARG_UNPARSED_ARGUMENTS}) 1014 set_target_properties(${name} PROPERTIES FOLDER "Fuzzers") 1015 elseif( ARG_DUMMY_MAIN ) 1016 add_llvm_executable(${name} ${ARG_DUMMY_MAIN} ${ARG_UNPARSED_ARGUMENTS}) 1017 set_target_properties(${name} PROPERTIES FOLDER "Fuzzers") 1018 endif() 1019endmacro() 1020 1021macro(add_llvm_target target_name) 1022 include_directories(BEFORE 1023 ${CMAKE_CURRENT_BINARY_DIR} 1024 ${CMAKE_CURRENT_SOURCE_DIR}) 1025 add_llvm_library(LLVM${target_name} ${ARGN}) 1026 set( CURRENT_LLVM_TARGET LLVM${target_name} ) 1027endmacro(add_llvm_target) 1028 1029function(canonicalize_tool_name name output) 1030 string(REPLACE "${CMAKE_CURRENT_SOURCE_DIR}/" "" nameStrip ${name}) 1031 string(REPLACE "-" "_" nameUNDERSCORE ${nameStrip}) 1032 string(TOUPPER ${nameUNDERSCORE} nameUPPER) 1033 set(${output} "${nameUPPER}" PARENT_SCOPE) 1034endfunction(canonicalize_tool_name) 1035 1036# Custom add_subdirectory wrapper 1037# Takes in a project name (i.e. LLVM), the subdirectory name, and an optional 1038# path if it differs from the name. 1039function(add_llvm_subdirectory project type name) 1040 set(add_llvm_external_dir "${ARGN}") 1041 if("${add_llvm_external_dir}" STREQUAL "") 1042 set(add_llvm_external_dir ${name}) 1043 endif() 1044 canonicalize_tool_name(${name} nameUPPER) 1045 set(canonical_full_name ${project}_${type}_${nameUPPER}) 1046 get_property(already_processed GLOBAL PROPERTY ${canonical_full_name}_PROCESSED) 1047 if(already_processed) 1048 return() 1049 endif() 1050 set_property(GLOBAL PROPERTY ${canonical_full_name}_PROCESSED YES) 1051 1052 if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}/CMakeLists.txt) 1053 # Treat it as in-tree subproject. 1054 option(${canonical_full_name}_BUILD 1055 "Whether to build ${name} as part of ${project}" On) 1056 mark_as_advanced(${project}_${type}_${name}_BUILD) 1057 if(${canonical_full_name}_BUILD) 1058 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir} ${add_llvm_external_dir}) 1059 endif() 1060 else() 1061 set(LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR 1062 "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" 1063 CACHE PATH "Path to ${name} source directory") 1064 set(${canonical_full_name}_BUILD_DEFAULT ON) 1065 if(NOT LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR OR NOT EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}) 1066 set(${canonical_full_name}_BUILD_DEFAULT OFF) 1067 endif() 1068 if("${LLVM_EXTERNAL_${nameUPPER}_BUILD}" STREQUAL "OFF") 1069 set(${canonical_full_name}_BUILD_DEFAULT OFF) 1070 endif() 1071 option(${canonical_full_name}_BUILD 1072 "Whether to build ${name} as part of LLVM" 1073 ${${canonical_full_name}_BUILD_DEFAULT}) 1074 if (${canonical_full_name}_BUILD) 1075 if(EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}) 1076 add_subdirectory(${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} ${add_llvm_external_dir}) 1077 elseif(NOT "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" STREQUAL "") 1078 message(WARNING "Nonexistent directory for ${name}: ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}") 1079 endif() 1080 endif() 1081 endif() 1082endfunction() 1083 1084# Add external project that may want to be built as part of llvm such as Clang, 1085# lld, and Polly. This adds two options. One for the source directory of the 1086# project, which defaults to ${CMAKE_CURRENT_SOURCE_DIR}/${name}. Another to 1087# enable or disable building it with everything else. 1088# Additional parameter can be specified as the name of directory. 1089macro(add_llvm_external_project name) 1090 add_llvm_subdirectory(LLVM TOOL ${name} ${ARGN}) 1091endmacro() 1092 1093macro(add_llvm_tool_subdirectory name) 1094 add_llvm_external_project(${name}) 1095endmacro(add_llvm_tool_subdirectory) 1096 1097function(get_project_name_from_src_var var output) 1098 string(REGEX MATCH "LLVM_EXTERNAL_(.*)_SOURCE_DIR" 1099 MACHED_TOOL "${var}") 1100 if(MACHED_TOOL) 1101 set(${output} ${CMAKE_MATCH_1} PARENT_SCOPE) 1102 else() 1103 set(${output} PARENT_SCOPE) 1104 endif() 1105endfunction() 1106 1107function(create_subdirectory_options project type) 1108 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") 1109 foreach(dir ${sub-dirs}) 1110 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt") 1111 canonicalize_tool_name(${dir} name) 1112 option(${project}_${type}_${name}_BUILD 1113 "Whether to build ${name} as part of ${project}" On) 1114 mark_as_advanced(${project}_${type}_${name}_BUILD) 1115 endif() 1116 endforeach() 1117endfunction(create_subdirectory_options) 1118 1119function(create_llvm_tool_options) 1120 create_subdirectory_options(LLVM TOOL) 1121endfunction(create_llvm_tool_options) 1122 1123function(llvm_add_implicit_projects project) 1124 set(list_of_implicit_subdirs "") 1125 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") 1126 foreach(dir ${sub-dirs}) 1127 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt") 1128 canonicalize_tool_name(${dir} name) 1129 if (${project}_TOOL_${name}_BUILD) 1130 get_filename_component(fn "${dir}" NAME) 1131 list(APPEND list_of_implicit_subdirs "${fn}") 1132 endif() 1133 endif() 1134 endforeach() 1135 1136 foreach(external_proj ${list_of_implicit_subdirs}) 1137 add_llvm_subdirectory(${project} TOOL "${external_proj}" ${ARGN}) 1138 endforeach() 1139endfunction(llvm_add_implicit_projects) 1140 1141function(add_llvm_implicit_projects) 1142 llvm_add_implicit_projects(LLVM) 1143endfunction(add_llvm_implicit_projects) 1144 1145# Generic support for adding a unittest. 1146function(add_unittest test_suite test_name) 1147 if( NOT LLVM_BUILD_TESTS ) 1148 set(EXCLUDE_FROM_ALL ON) 1149 endif() 1150 1151 # Our current version of gtest does not properly recognize C++11 support 1152 # with MSVC, so it falls back to tr1 / experimental classes. Since LLVM 1153 # itself requires C++11, we can safely force it on unconditionally so that 1154 # we don't have to fight with the buggy gtest check. 1155 add_definitions(-DGTEST_LANG_CXX11=1) 1156 add_definitions(-DGTEST_HAS_TR1_TUPLE=0) 1157 1158 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include) 1159 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googlemock/include) 1160 if (NOT LLVM_ENABLE_THREADS) 1161 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_PTHREAD=0) 1162 endif () 1163 1164 if (SUPPORTS_VARIADIC_MACROS_FLAG) 1165 list(APPEND LLVM_COMPILE_FLAGS "-Wno-variadic-macros") 1166 endif () 1167 # Some parts of gtest rely on this GNU extension, don't warn on it. 1168 if(SUPPORTS_GNU_ZERO_VARIADIC_MACRO_ARGUMENTS_FLAG) 1169 list(APPEND LLVM_COMPILE_FLAGS "-Wno-gnu-zero-variadic-macro-arguments") 1170 endif() 1171 1172 set(LLVM_REQUIRES_RTTI OFF) 1173 1174 list(APPEND LLVM_LINK_COMPONENTS Support) # gtest needs it for raw_ostream 1175 add_llvm_executable(${test_name} IGNORE_EXTERNALIZE_DEBUGINFO NO_INSTALL_RPATH ${ARGN}) 1176 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}) 1177 set_output_directory(${test_name} BINARY_DIR ${outdir} LIBRARY_DIR ${outdir}) 1178 # libpthreads overrides some standard library symbols, so main 1179 # executable must be linked with it in order to provide consistent 1180 # API for all shared libaries loaded by this executable. 1181 target_link_libraries(${test_name} PRIVATE gtest_main gtest ${LLVM_PTHREAD_LIB}) 1182 1183 add_dependencies(${test_suite} ${test_name}) 1184 get_target_property(test_suite_folder ${test_suite} FOLDER) 1185 if (NOT ${test_suite_folder} STREQUAL "NOTFOUND") 1186 set_property(TARGET ${test_name} PROPERTY FOLDER "${test_suite_folder}") 1187 endif () 1188endfunction() 1189 1190# Use for test binaries that call llvm::getInputFileDirectory(). Use of this 1191# is discouraged. 1192function(add_unittest_with_input_files test_suite test_name) 1193 set(LLVM_UNITTEST_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}) 1194 configure_file( 1195 ${LLVM_MAIN_SRC_DIR}/unittests/unittest.cfg.in 1196 ${CMAKE_CURRENT_BINARY_DIR}/llvm.srcdir.txt) 1197 1198 add_unittest(${test_suite} ${test_name} ${ARGN}) 1199endfunction() 1200 1201# Generic support for adding a benchmark. 1202function(add_benchmark benchmark_name) 1203 if( NOT LLVM_BUILD_BENCHMARKS ) 1204 set(EXCLUDE_FROM_ALL ON) 1205 endif() 1206 1207 add_llvm_executable(${benchmark_name} IGNORE_EXTERNALIZE_DEBUGINFO NO_INSTALL_RPATH ${ARGN}) 1208 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}) 1209 set_output_directory(${benchmark_name} BINARY_DIR ${outdir} LIBRARY_DIR ${outdir}) 1210 set_property(TARGET ${benchmark_name} PROPERTY FOLDER "Utils") 1211 target_link_libraries(${benchmark_name} PRIVATE benchmark) 1212endfunction() 1213 1214function(llvm_add_go_executable binary pkgpath) 1215 cmake_parse_arguments(ARG "ALL" "" "DEPENDS;GOFLAGS" ${ARGN}) 1216 1217 if(LLVM_BINDINGS MATCHES "go") 1218 # FIXME: This should depend only on the libraries Go needs. 1219 get_property(llvmlibs GLOBAL PROPERTY LLVM_LIBS) 1220 set(binpath ${CMAKE_BINARY_DIR}/bin/${binary}${CMAKE_EXECUTABLE_SUFFIX}) 1221 set(cc "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}") 1222 set(cxx "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}") 1223 set(cppflags "") 1224 get_property(include_dirs DIRECTORY PROPERTY INCLUDE_DIRECTORIES) 1225 foreach(d ${include_dirs}) 1226 set(cppflags "${cppflags} -I${d}") 1227 endforeach(d) 1228 set(ldflags "${CMAKE_EXE_LINKER_FLAGS}") 1229 add_custom_command(OUTPUT ${binpath} 1230 COMMAND ${CMAKE_BINARY_DIR}/bin/llvm-go "go=${GO_EXECUTABLE}" "cc=${cc}" "cxx=${cxx}" "cppflags=${cppflags}" "ldflags=${ldflags}" "packages=${LLVM_GO_PACKAGES}" 1231 ${ARG_GOFLAGS} build -o ${binpath} ${pkgpath} 1232 DEPENDS llvm-config ${CMAKE_BINARY_DIR}/bin/llvm-go${CMAKE_EXECUTABLE_SUFFIX} 1233 ${llvmlibs} ${ARG_DEPENDS} 1234 COMMENT "Building Go executable ${binary}" 1235 VERBATIM) 1236 if (ARG_ALL) 1237 add_custom_target(${binary} ALL DEPENDS ${binpath}) 1238 else() 1239 add_custom_target(${binary} DEPENDS ${binpath}) 1240 endif() 1241 endif() 1242endfunction() 1243 1244# This function canonicalize the CMake variables passed by names 1245# from CMake boolean to 0/1 suitable for passing into Python or C++, 1246# in place. 1247function(llvm_canonicalize_cmake_booleans) 1248 foreach(var ${ARGN}) 1249 if(${var}) 1250 set(${var} 1 PARENT_SCOPE) 1251 else() 1252 set(${var} 0 PARENT_SCOPE) 1253 endif() 1254 endforeach() 1255endfunction(llvm_canonicalize_cmake_booleans) 1256 1257macro(set_llvm_build_mode) 1258 # Configuration-time: See Unit/lit.site.cfg.in 1259 if (CMAKE_CFG_INTDIR STREQUAL ".") 1260 set(LLVM_BUILD_MODE ".") 1261 else () 1262 set(LLVM_BUILD_MODE "%(build_mode)s") 1263 endif () 1264endmacro() 1265 1266# This function provides an automatic way to 'configure'-like generate a file 1267# based on a set of common and custom variables, specifically targeting the 1268# variables needed for the 'lit.site.cfg' files. This function bundles the 1269# common variables that any Lit instance is likely to need, and custom 1270# variables can be passed in. 1271function(configure_lit_site_cfg site_in site_out) 1272 cmake_parse_arguments(ARG "" "" "MAIN_CONFIG;OUTPUT_MAPPING" ${ARGN}) 1273 1274 if ("${ARG_MAIN_CONFIG}" STREQUAL "") 1275 get_filename_component(INPUT_DIR ${site_in} DIRECTORY) 1276 set(ARG_MAIN_CONFIG "${INPUT_DIR}/lit.cfg") 1277 endif() 1278 if ("${ARG_OUTPUT_MAPPING}" STREQUAL "") 1279 set(ARG_OUTPUT_MAPPING "${site_out}") 1280 endif() 1281 1282 foreach(c ${LLVM_TARGETS_TO_BUILD}) 1283 set(TARGETS_BUILT "${TARGETS_BUILT} ${c}") 1284 endforeach(c) 1285 set(TARGETS_TO_BUILD ${TARGETS_BUILT}) 1286 1287 set(SHLIBEXT "${LTDL_SHLIB_EXT}") 1288 1289 set_llvm_build_mode() 1290 1291 # They below might not be the build tree but provided binary tree. 1292 set(LLVM_SOURCE_DIR ${LLVM_MAIN_SRC_DIR}) 1293 set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR}) 1294 string(REPLACE "${CMAKE_CFG_INTDIR}" "${LLVM_BUILD_MODE}" LLVM_TOOLS_DIR "${LLVM_TOOLS_BINARY_DIR}") 1295 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_LIBS_DIR "${LLVM_LIBRARY_DIR}") 1296 1297 # SHLIBDIR points the build tree. 1298 string(REPLACE "${CMAKE_CFG_INTDIR}" "${LLVM_BUILD_MODE}" SHLIBDIR "${LLVM_SHLIB_OUTPUT_INTDIR}") 1299 1300 set(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE}) 1301 # FIXME: "ENABLE_SHARED" doesn't make sense, since it is used just for 1302 # plugins. We may rename it. 1303 if(LLVM_ENABLE_PLUGINS) 1304 set(ENABLE_SHARED "1") 1305 else() 1306 set(ENABLE_SHARED "0") 1307 endif() 1308 1309 if(LLVM_ENABLE_ASSERTIONS AND NOT MSVC_IDE) 1310 set(ENABLE_ASSERTIONS "1") 1311 else() 1312 set(ENABLE_ASSERTIONS "0") 1313 endif() 1314 1315 set(HOST_OS ${CMAKE_SYSTEM_NAME}) 1316 set(HOST_ARCH ${CMAKE_SYSTEM_PROCESSOR}) 1317 1318 set(HOST_CC "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}") 1319 set(HOST_CXX "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}") 1320 set(HOST_LDFLAGS "${CMAKE_EXE_LINKER_FLAGS}") 1321 1322 set(LIT_SITE_CFG_IN_HEADER "## Autogenerated from ${site_in}\n## Do not edit!") 1323 1324 # Override config_target_triple (and the env) 1325 if(LLVM_TARGET_TRIPLE_ENV) 1326 # This is expanded into the heading. 1327 string(CONCAT LIT_SITE_CFG_IN_HEADER "${LIT_SITE_CFG_IN_HEADER}\n\n" 1328 "import os\n" 1329 "target_env = \"${LLVM_TARGET_TRIPLE_ENV}\"\n" 1330 "config.target_triple = config.environment[target_env] = os.environ.get(target_env, \"${TARGET_TRIPLE}\")\n" 1331 ) 1332 1333 # This is expanded to; config.target_triple = ""+config.target_triple+"" 1334 set(TARGET_TRIPLE "\"+config.target_triple+\"") 1335 endif() 1336 1337 configure_file(${site_in} ${site_out} @ONLY) 1338 if (EXISTS "${ARG_MAIN_CONFIG}") 1339 set(PYTHON_STATEMENT "map_config('${ARG_MAIN_CONFIG}', '${site_out}')") 1340 get_property(LLVM_LIT_CONFIG_MAP GLOBAL PROPERTY LLVM_LIT_CONFIG_MAP) 1341 set(LLVM_LIT_CONFIG_MAP "${LLVM_LIT_CONFIG_MAP}\n${PYTHON_STATEMENT}") 1342 set_property(GLOBAL PROPERTY LLVM_LIT_CONFIG_MAP ${LLVM_LIT_CONFIG_MAP}) 1343 endif() 1344endfunction() 1345 1346function(dump_all_cmake_variables) 1347 get_cmake_property(_variableNames VARIABLES) 1348 foreach (_variableName ${_variableNames}) 1349 message(STATUS "${_variableName}=${${_variableName}}") 1350 endforeach() 1351endfunction() 1352 1353function(get_llvm_lit_path base_dir file_name) 1354 cmake_parse_arguments(ARG "ALLOW_EXTERNAL" "" "" ${ARGN}) 1355 1356 if (ARG_ALLOW_EXTERNAL) 1357 set (LLVM_EXTERNAL_LIT "" CACHE STRING "Command used to spawn lit") 1358 if ("${LLVM_EXTERNAL_LIT}" STREQUAL "") 1359 set(LLVM_EXTERNAL_LIT "${LLVM_DEFAULT_EXTERNAL_LIT}") 1360 endif() 1361 1362 if (NOT "${LLVM_EXTERNAL_LIT}" STREQUAL "") 1363 if (EXISTS ${LLVM_EXTERNAL_LIT}) 1364 get_filename_component(LIT_FILE_NAME ${LLVM_EXTERNAL_LIT} NAME) 1365 get_filename_component(LIT_BASE_DIR ${LLVM_EXTERNAL_LIT} DIRECTORY) 1366 set(${file_name} ${LIT_FILE_NAME} PARENT_SCOPE) 1367 set(${base_dir} ${LIT_BASE_DIR} PARENT_SCOPE) 1368 return() 1369 else() 1370 message(WARNING "LLVM_EXTERNAL_LIT set to ${LLVM_EXTERNAL_LIT}, but the path does not exist.") 1371 endif() 1372 endif() 1373 endif() 1374 1375 set(lit_file_name "llvm-lit") 1376 if (CMAKE_HOST_WIN32 AND NOT CYGWIN) 1377 # llvm-lit needs suffix.py for multiprocess to find a main module. 1378 set(lit_file_name "${lit_file_name}.py") 1379 endif () 1380 set(${file_name} ${lit_file_name} PARENT_SCOPE) 1381 1382 get_property(LLVM_LIT_BASE_DIR GLOBAL PROPERTY LLVM_LIT_BASE_DIR) 1383 if (NOT "${LLVM_LIT_BASE_DIR}" STREQUAL "") 1384 set(${base_dir} ${LLVM_LIT_BASE_DIR} PARENT_SCOPE) 1385 endif() 1386 1387 # Allow individual projects to provide an override 1388 if (NOT "${LLVM_LIT_OUTPUT_DIR}" STREQUAL "") 1389 set(LLVM_LIT_BASE_DIR ${LLVM_LIT_OUTPUT_DIR}) 1390 elseif(NOT "${LLVM_RUNTIME_OUTPUT_INTDIR}" STREQUAL "") 1391 set(LLVM_LIT_BASE_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR}) 1392 else() 1393 set(LLVM_LIT_BASE_DIR "") 1394 endif() 1395 1396 # Cache this so we don't have to do it again and have subsequent calls 1397 # potentially disagree on the value. 1398 set_property(GLOBAL PROPERTY LLVM_LIT_BASE_DIR ${LLVM_LIT_BASE_DIR}) 1399 set(${base_dir} ${LLVM_LIT_BASE_DIR} PARENT_SCOPE) 1400endfunction() 1401 1402# A raw function to create a lit target. This is used to implement the testuite 1403# management functions. 1404function(add_lit_target target comment) 1405 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1406 set(LIT_ARGS "${ARG_ARGS} ${LLVM_LIT_ARGS}") 1407 separate_arguments(LIT_ARGS) 1408 if (NOT CMAKE_CFG_INTDIR STREQUAL ".") 1409 list(APPEND LIT_ARGS --param build_mode=${CMAKE_CFG_INTDIR}) 1410 endif () 1411 1412 # Get the path to the lit to *run* tests with. This can be overriden by 1413 # the user by specifying -DLLVM_EXTERNAL_LIT=<path-to-lit.py> 1414 get_llvm_lit_path( 1415 lit_base_dir 1416 lit_file_name 1417 ALLOW_EXTERNAL 1418 ) 1419 1420 set(LIT_COMMAND "${PYTHON_EXECUTABLE};${lit_base_dir}/${lit_file_name}") 1421 list(APPEND LIT_COMMAND ${LIT_ARGS}) 1422 foreach(param ${ARG_PARAMS}) 1423 list(APPEND LIT_COMMAND --param ${param}) 1424 endforeach() 1425 if (ARG_UNPARSED_ARGUMENTS) 1426 add_custom_target(${target} 1427 COMMAND ${LIT_COMMAND} ${ARG_UNPARSED_ARGUMENTS} 1428 COMMENT "${comment}" 1429 USES_TERMINAL 1430 ) 1431 else() 1432 add_custom_target(${target} 1433 COMMAND ${CMAKE_COMMAND} -E echo "${target} does nothing, no tools built.") 1434 message(STATUS "${target} does nothing.") 1435 endif() 1436 1437 if (ARG_DEPENDS) 1438 add_dependencies(${target} ${ARG_DEPENDS}) 1439 endif() 1440 1441 # Tests should be excluded from "Build Solution". 1442 set_target_properties(${target} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD ON) 1443endfunction() 1444 1445# A function to add a set of lit test suites to be driven through 'check-*' targets. 1446function(add_lit_testsuite target comment) 1447 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1448 1449 # EXCLUDE_FROM_ALL excludes the test ${target} out of check-all. 1450 if(NOT EXCLUDE_FROM_ALL) 1451 # Register the testsuites, params and depends for the global check rule. 1452 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_TESTSUITES ${ARG_UNPARSED_ARGUMENTS}) 1453 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_PARAMS ${ARG_PARAMS}) 1454 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_DEPENDS ${ARG_DEPENDS}) 1455 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_EXTRA_ARGS ${ARG_ARGS}) 1456 endif() 1457 1458 # Produce a specific suffixed check rule. 1459 add_lit_target(${target} ${comment} 1460 ${ARG_UNPARSED_ARGUMENTS} 1461 PARAMS ${ARG_PARAMS} 1462 DEPENDS ${ARG_DEPENDS} 1463 ARGS ${ARG_ARGS} 1464 ) 1465endfunction() 1466 1467function(add_lit_testsuites project directory) 1468 if (NOT LLVM_ENABLE_IDE) 1469 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1470 1471 # Search recursively for test directories by assuming anything not 1472 # in a directory called Inputs contains tests. 1473 file(GLOB_RECURSE to_process LIST_DIRECTORIES true ${directory}/*) 1474 foreach(lit_suite ${to_process}) 1475 if(NOT IS_DIRECTORY ${lit_suite}) 1476 continue() 1477 endif() 1478 string(FIND ${lit_suite} Inputs is_inputs) 1479 string(FIND ${lit_suite} Output is_output) 1480 if (NOT (is_inputs EQUAL -1 AND is_output EQUAL -1)) 1481 continue() 1482 endif() 1483 1484 # Create a check- target for the directory. 1485 string(REPLACE ${directory} "" name_slash ${lit_suite}) 1486 if (name_slash) 1487 string(REPLACE "/" "-" name_slash ${name_slash}) 1488 string(REPLACE "\\" "-" name_dashes ${name_slash}) 1489 string(TOLOWER "${project}${name_dashes}" name_var) 1490 add_lit_target("check-${name_var}" "Running lit suite ${lit_suite}" 1491 ${lit_suite} 1492 PARAMS ${ARG_PARAMS} 1493 DEPENDS ${ARG_DEPENDS} 1494 ARGS ${ARG_ARGS} 1495 ) 1496 endif() 1497 endforeach() 1498 endif() 1499endfunction() 1500 1501function(llvm_install_library_symlink name dest type) 1502 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "COMPONENT" "" ${ARGN}) 1503 foreach(path ${CMAKE_MODULE_PATH}) 1504 if(EXISTS ${path}/LLVMInstallSymlink.cmake) 1505 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake) 1506 break() 1507 endif() 1508 endforeach() 1509 1510 set(component ${ARG_COMPONENT}) 1511 if(NOT component) 1512 set(component ${name}) 1513 endif() 1514 1515 set(full_name ${CMAKE_${type}_LIBRARY_PREFIX}${name}${CMAKE_${type}_LIBRARY_SUFFIX}) 1516 set(full_dest ${CMAKE_${type}_LIBRARY_PREFIX}${dest}${CMAKE_${type}_LIBRARY_SUFFIX}) 1517 1518 set(output_dir lib${LLVM_LIBDIR_SUFFIX}) 1519 if(WIN32 AND "${type}" STREQUAL "SHARED") 1520 set(output_dir bin) 1521 endif() 1522 1523 install(SCRIPT ${INSTALL_SYMLINK} 1524 CODE "install_symlink(${full_name} ${full_dest} ${output_dir})" 1525 COMPONENT ${component}) 1526 1527 if (NOT LLVM_ENABLE_IDE AND NOT ARG_ALWAYS_GENERATE) 1528 add_llvm_install_targets(install-${name} 1529 DEPENDS ${name} ${dest} install-${dest} 1530 COMPONENT ${name}) 1531 endif() 1532endfunction() 1533 1534function(llvm_install_symlink name dest) 1535 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "COMPONENT" "" ${ARGN}) 1536 foreach(path ${CMAKE_MODULE_PATH}) 1537 if(EXISTS ${path}/LLVMInstallSymlink.cmake) 1538 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake) 1539 break() 1540 endif() 1541 endforeach() 1542 1543 if(ARG_COMPONENT) 1544 set(component ${ARG_COMPONENT}) 1545 else() 1546 if(ARG_ALWAYS_GENERATE) 1547 set(component ${dest}) 1548 else() 1549 set(component ${name}) 1550 endif() 1551 endif() 1552 1553 set(full_name ${name}${CMAKE_EXECUTABLE_SUFFIX}) 1554 set(full_dest ${dest}${CMAKE_EXECUTABLE_SUFFIX}) 1555 1556 install(SCRIPT ${INSTALL_SYMLINK} 1557 CODE "install_symlink(${full_name} ${full_dest} ${LLVM_TOOLS_INSTALL_DIR})" 1558 COMPONENT ${component}) 1559 1560 if (NOT LLVM_ENABLE_IDE AND NOT ARG_ALWAYS_GENERATE) 1561 add_llvm_install_targets(install-${name} 1562 DEPENDS ${name} ${dest} install-${dest} 1563 COMPONENT ${name}) 1564 endif() 1565endfunction() 1566 1567function(add_llvm_tool_symlink link_name target) 1568 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "OUTPUT_DIR" "" ${ARGN}) 1569 set(dest_binary "$<TARGET_FILE:${target}>") 1570 1571 # This got a bit gross... For multi-configuration generators the target 1572 # properties return the resolved value of the string, not the build system 1573 # expression. To reconstruct the platform-agnostic path we have to do some 1574 # magic. First we grab one of the types, and a type-specific path. Then from 1575 # the type-specific path we find the last occurrence of the type in the path, 1576 # and replace it with CMAKE_CFG_INTDIR. This allows the build step to be type 1577 # agnostic again. 1578 if(NOT ARG_OUTPUT_DIR) 1579 # If you're not overriding the OUTPUT_DIR, we can make the link relative in 1580 # the same directory. 1581 if(CMAKE_HOST_UNIX) 1582 set(dest_binary "$<TARGET_FILE_NAME:${target}>") 1583 endif() 1584 if(CMAKE_CONFIGURATION_TYPES) 1585 list(GET CMAKE_CONFIGURATION_TYPES 0 first_type) 1586 string(TOUPPER ${first_type} first_type_upper) 1587 set(first_type_suffix _${first_type_upper}) 1588 endif() 1589 get_target_property(target_type ${target} TYPE) 1590 if(${target_type} STREQUAL "STATIC_LIBRARY") 1591 get_target_property(ARG_OUTPUT_DIR ${target} ARCHIVE_OUTPUT_DIRECTORY${first_type_suffix}) 1592 elseif(UNIX AND ${target_type} STREQUAL "SHARED_LIBRARY") 1593 get_target_property(ARG_OUTPUT_DIR ${target} LIBRARY_OUTPUT_DIRECTORY${first_type_suffix}) 1594 else() 1595 get_target_property(ARG_OUTPUT_DIR ${target} RUNTIME_OUTPUT_DIRECTORY${first_type_suffix}) 1596 endif() 1597 if(CMAKE_CONFIGURATION_TYPES) 1598 string(FIND "${ARG_OUTPUT_DIR}" "/${first_type}/" type_start REVERSE) 1599 string(SUBSTRING "${ARG_OUTPUT_DIR}" 0 ${type_start} path_prefix) 1600 string(SUBSTRING "${ARG_OUTPUT_DIR}" ${type_start} -1 path_suffix) 1601 string(REPLACE "/${first_type}/" "/${CMAKE_CFG_INTDIR}/" 1602 path_suffix ${path_suffix}) 1603 set(ARG_OUTPUT_DIR ${path_prefix}${path_suffix}) 1604 endif() 1605 endif() 1606 1607 if(CMAKE_HOST_UNIX) 1608 set(LLVM_LINK_OR_COPY create_symlink) 1609 else() 1610 set(LLVM_LINK_OR_COPY copy) 1611 endif() 1612 1613 set(output_path "${ARG_OUTPUT_DIR}/${link_name}${CMAKE_EXECUTABLE_SUFFIX}") 1614 1615 set(target_name ${link_name}) 1616 if(TARGET ${link_name}) 1617 set(target_name ${link_name}-link) 1618 endif() 1619 1620 1621 if(ARG_ALWAYS_GENERATE) 1622 set_property(DIRECTORY APPEND PROPERTY 1623 ADDITIONAL_MAKE_CLEAN_FILES ${dest_binary}) 1624 add_custom_command(TARGET ${target} POST_BUILD 1625 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}") 1626 else() 1627 add_custom_command(OUTPUT ${output_path} 1628 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}" 1629 DEPENDS ${target}) 1630 add_custom_target(${target_name} ALL DEPENDS ${target} ${output_path}) 1631 set_target_properties(${target_name} PROPERTIES FOLDER Tools) 1632 1633 # Make sure both the link and target are toolchain tools 1634 if (${link_name} IN_LIST LLVM_TOOLCHAIN_TOOLS AND ${target} IN_LIST LLVM_TOOLCHAIN_TOOLS) 1635 set(TOOL_IS_TOOLCHAIN ON) 1636 endif() 1637 1638 if ((TOOL_IS_TOOLCHAIN OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) AND LLVM_BUILD_TOOLS) 1639 llvm_install_symlink(${link_name} ${target}) 1640 endif() 1641 endif() 1642endfunction() 1643 1644function(llvm_externalize_debuginfo name) 1645 if(NOT LLVM_EXTERNALIZE_DEBUGINFO) 1646 return() 1647 endif() 1648 1649 if(NOT LLVM_EXTERNALIZE_DEBUGINFO_SKIP_STRIP) 1650 if(APPLE) 1651 if(NOT CMAKE_STRIP) 1652 set(CMAKE_STRIP xcrun strip) 1653 endif() 1654 set(strip_command COMMAND ${CMAKE_STRIP} -Sxl $<TARGET_FILE:${name}>) 1655 else() 1656 set(strip_command COMMAND ${CMAKE_STRIP} -g -x $<TARGET_FILE:${name}>) 1657 endif() 1658 endif() 1659 1660 if(APPLE) 1661 if(LLVM_EXTERNALIZE_DEBUGINFO_EXTENSION) 1662 set(file_ext ${LLVM_EXTERNALIZE_DEBUGINFO_EXTENSION}) 1663 else() 1664 set(file_ext dSYM) 1665 endif() 1666 1667 set(output_name "$<TARGET_FILE_NAME:${name}>.${file_ext}") 1668 1669 if(LLVM_EXTERNALIZE_DEBUGINFO_OUTPUT_DIR) 1670 set(output_path "-o=${LLVM_EXTERNALIZE_DEBUGINFO_OUTPUT_DIR}/${output_name}") 1671 else() 1672 set(output_path "-o=${output_name}") 1673 endif() 1674 1675 if(CMAKE_CXX_FLAGS MATCHES "-flto" 1676 OR CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE} MATCHES "-flto") 1677 1678 set(lto_object ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${name}-lto.o) 1679 set_property(TARGET ${name} APPEND_STRING PROPERTY 1680 LINK_FLAGS " -Wl,-object_path_lto,${lto_object}") 1681 endif() 1682 if(NOT CMAKE_DSYMUTIL) 1683 set(CMAKE_DSYMUTIL xcrun dsymutil) 1684 endif() 1685 add_custom_command(TARGET ${name} POST_BUILD 1686 COMMAND ${CMAKE_DSYMUTIL} ${output_path} $<TARGET_FILE:${name}> 1687 ${strip_command} 1688 ) 1689 else() 1690 add_custom_command(TARGET ${name} POST_BUILD 1691 COMMAND ${CMAKE_OBJCOPY} --only-keep-debug $<TARGET_FILE:${name}> $<TARGET_FILE:${name}>.debug 1692 ${strip_command} -R .gnu_debuglink 1693 COMMAND ${CMAKE_OBJCOPY} --add-gnu-debuglink=$<TARGET_FILE:${name}>.debug $<TARGET_FILE:${name}> 1694 ) 1695 endif() 1696endfunction() 1697 1698# Usage: llvm_codesign(name [FORCE] [ENTITLEMENTS file] [BUNDLE_PATH path]) 1699function(llvm_codesign name) 1700 cmake_parse_arguments(ARG "FORCE" "ENTITLEMENTS;BUNDLE_PATH" "" ${ARGN}) 1701 1702 if(NOT LLVM_CODESIGNING_IDENTITY) 1703 return() 1704 endif() 1705 1706 if(CMAKE_GENERATOR STREQUAL "Xcode") 1707 set_target_properties(${name} PROPERTIES 1708 XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY ${LLVM_CODESIGNING_IDENTITY} 1709 ) 1710 if(DEFINED ARG_ENTITLEMENTS) 1711 set_target_properties(${name} PROPERTIES 1712 XCODE_ATTRIBUTE_CODE_SIGN_ENTITLEMENTS ${ARG_ENTITLEMENTS} 1713 ) 1714 endif() 1715 elseif(APPLE AND CMAKE_HOST_SYSTEM_NAME MATCHES Darwin) 1716 if(NOT CMAKE_CODESIGN) 1717 set(CMAKE_CODESIGN xcrun codesign) 1718 endif() 1719 if(NOT CMAKE_CODESIGN_ALLOCATE) 1720 execute_process( 1721 COMMAND xcrun -f codesign_allocate 1722 OUTPUT_STRIP_TRAILING_WHITESPACE 1723 OUTPUT_VARIABLE CMAKE_CODESIGN_ALLOCATE 1724 ) 1725 endif() 1726 if(DEFINED ARG_ENTITLEMENTS) 1727 set(pass_entitlements --entitlements ${ARG_ENTITLEMENTS}) 1728 endif() 1729 1730 if (NOT ARG_BUNDLE_PATH) 1731 set(ARG_BUNDLE_PATH $<TARGET_FILE:${name}>) 1732 endif() 1733 1734 if(ARG_FORCE) 1735 set(force_flag "-f") 1736 endif() 1737 1738 add_custom_command( 1739 TARGET ${name} POST_BUILD 1740 COMMAND ${CMAKE_COMMAND} -E 1741 env CODESIGN_ALLOCATE=${CMAKE_CODESIGN_ALLOCATE} 1742 ${CMAKE_CODESIGN} -s ${LLVM_CODESIGNING_IDENTITY} 1743 ${pass_entitlements} ${force_flag} ${ARG_BUNDLE_PATH} 1744 ) 1745 endif() 1746endfunction() 1747 1748function(llvm_setup_rpath name) 1749 if(CMAKE_INSTALL_RPATH) 1750 return() 1751 endif() 1752 1753 if(LLVM_INSTALL_PREFIX AND NOT (LLVM_INSTALL_PREFIX STREQUAL CMAKE_INSTALL_PREFIX)) 1754 set(extra_libdir ${LLVM_LIBRARY_DIR}) 1755 elseif(LLVM_BUILD_LIBRARY_DIR) 1756 set(extra_libdir ${LLVM_LIBRARY_DIR}) 1757 endif() 1758 1759 if (APPLE) 1760 set(_install_name_dir INSTALL_NAME_DIR "@rpath") 1761 set(_install_rpath "@loader_path/../lib${LLVM_LIBDIR_SUFFIX}" ${extra_libdir}) 1762 elseif(UNIX) 1763 set(_install_rpath "\$ORIGIN/../lib${LLVM_LIBDIR_SUFFIX}" ${extra_libdir}) 1764 if(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)") 1765 set_property(TARGET ${name} APPEND_STRING PROPERTY 1766 LINK_FLAGS " -Wl,-z,origin ") 1767 endif() 1768 if(LLVM_LINKER_IS_GNULD) 1769 # $ORIGIN is not interpreted at link time by ld.bfd 1770 set_property(TARGET ${name} APPEND_STRING PROPERTY 1771 LINK_FLAGS " -Wl,-rpath-link,${LLVM_LIBRARY_OUTPUT_INTDIR} ") 1772 endif() 1773 else() 1774 return() 1775 endif() 1776 1777 set_target_properties(${name} PROPERTIES 1778 BUILD_WITH_INSTALL_RPATH On 1779 INSTALL_RPATH "${_install_rpath}" 1780 ${_install_name_dir}) 1781endfunction() 1782 1783function(setup_dependency_debugging name) 1784 if(NOT LLVM_DEPENDENCY_DEBUGGING) 1785 return() 1786 endif() 1787 1788 if("intrinsics_gen" IN_LIST ARGN) 1789 return() 1790 endif() 1791 1792 set(deny_attributes_inc "(deny file* (literal \"${LLVM_BINARY_DIR}/include/llvm/IR/Attributes.inc\"))") 1793 set(deny_intrinsics_inc "(deny file* (literal \"${LLVM_BINARY_DIR}/include/llvm/IR/Intrinsics.inc\"))") 1794 1795 set(sandbox_command "sandbox-exec -p '(version 1) (allow default) ${deny_attributes_inc} ${deny_intrinsics_inc}'") 1796 set_target_properties(${name} PROPERTIES RULE_LAUNCH_COMPILE ${sandbox_command}) 1797endfunction() 1798 1799function(find_first_existing_vc_file path out_var) 1800 if(NOT EXISTS "${path}") 1801 return() 1802 endif() 1803 if(EXISTS "${path}/.svn") 1804 set(svn_files 1805 "${path}/.svn/wc.db" # SVN 1.7 1806 "${path}/.svn/entries" # SVN 1.6 1807 ) 1808 foreach(file IN LISTS svn_files) 1809 if(EXISTS "${file}") 1810 set(${out_var} "${file}" PARENT_SCOPE) 1811 return() 1812 endif() 1813 endforeach() 1814 else() 1815 find_package(Git) 1816 if(GIT_FOUND) 1817 execute_process(COMMAND ${GIT_EXECUTABLE} rev-parse --git-dir 1818 WORKING_DIRECTORY ${path} 1819 RESULT_VARIABLE git_result 1820 OUTPUT_VARIABLE git_output 1821 ERROR_QUIET) 1822 if(git_result EQUAL 0) 1823 string(STRIP "${git_output}" git_output) 1824 get_filename_component(git_dir ${git_output} ABSOLUTE BASE_DIR ${path}) 1825 # Some branchless cases (e.g. 'repo') may not yet have .git/logs/HEAD 1826 if (NOT EXISTS "${git_dir}/logs/HEAD") 1827 file(WRITE "${git_dir}/logs/HEAD" "") 1828 endif() 1829 set(${out_var} "${git_dir}/logs/HEAD" PARENT_SCOPE) 1830 endif() 1831 endif() 1832 endif() 1833endfunction() 1834