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 # LLVM_REQUIRES_EH is an internal flag that individual targets can use to 12 # force EH 13 if(LLVM_REQUIRES_EH OR LLVM_ENABLE_EH) 14 if(NOT (LLVM_REQUIRES_RTTI OR LLVM_ENABLE_RTTI)) 15 message(AUTHOR_WARNING "Exception handling requires RTTI. Enabling RTTI for ${name}") 16 set(LLVM_REQUIRES_RTTI ON) 17 endif() 18 if(MSVC) 19 list(APPEND LLVM_COMPILE_FLAGS "/EHsc") 20 endif() 21 else() 22 if(LLVM_COMPILER_IS_GCC_COMPATIBLE) 23 list(APPEND LLVM_COMPILE_FLAGS "-fno-exceptions") 24 elseif(MSVC) 25 list(APPEND LLVM_COMPILE_DEFINITIONS _HAS_EXCEPTIONS=0) 26 list(APPEND LLVM_COMPILE_FLAGS "/EHs-c-") 27 endif() 28 endif() 29 30 # LLVM_REQUIRES_RTTI is an internal flag that individual 31 # targets can use to force RTTI 32 set(LLVM_CONFIG_HAS_RTTI YES CACHE INTERNAL "") 33 if(NOT (LLVM_REQUIRES_RTTI OR LLVM_ENABLE_RTTI)) 34 set(LLVM_CONFIG_HAS_RTTI NO CACHE INTERNAL "") 35 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_RTTI=0) 36 if (LLVM_COMPILER_IS_GCC_COMPATIBLE) 37 list(APPEND LLVM_COMPILE_FLAGS "-fno-rtti") 38 elseif (MSVC) 39 list(APPEND LLVM_COMPILE_FLAGS "/GR-") 40 endif () 41 elseif(MSVC) 42 list(APPEND LLVM_COMPILE_FLAGS "/GR") 43 endif() 44 45 # Assume that; 46 # - LLVM_COMPILE_FLAGS is list. 47 # - PROPERTY COMPILE_FLAGS is string. 48 string(REPLACE ";" " " target_compile_flags " ${LLVM_COMPILE_FLAGS}") 49 50 if(update_src_props) 51 foreach(fn ${sources}) 52 get_filename_component(suf ${fn} EXT) 53 if("${suf}" STREQUAL ".cpp") 54 set_property(SOURCE ${fn} APPEND_STRING PROPERTY 55 COMPILE_FLAGS "${target_compile_flags}") 56 endif() 57 endforeach() 58 else() 59 # Update target props, since all sources are C++. 60 set_property(TARGET ${name} APPEND_STRING PROPERTY 61 COMPILE_FLAGS "${target_compile_flags}") 62 endif() 63 64 set_property(TARGET ${name} APPEND PROPERTY COMPILE_DEFINITIONS ${LLVM_COMPILE_DEFINITIONS}) 65endfunction() 66 67function(add_llvm_symbol_exports target_name export_file) 68 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") 69 set(native_export_file "${target_name}.exports") 70 add_custom_command(OUTPUT ${native_export_file} 71 COMMAND sed -e "s/^/_/" < ${export_file} > ${native_export_file} 72 DEPENDS ${export_file} 73 VERBATIM 74 COMMENT "Creating export file for ${target_name}") 75 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 76 LINK_FLAGS " -Wl,-exported_symbols_list,\"${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}\"") 77 elseif(${CMAKE_SYSTEM_NAME} MATCHES "AIX") 78 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 79 LINK_FLAGS " -Wl,-bE:${export_file}") 80 elseif(LLVM_HAVE_LINK_VERSION_SCRIPT) 81 # Gold and BFD ld require a version script rather than a plain list. 82 set(native_export_file "${target_name}.exports") 83 # FIXME: Don't write the "local:" line on OpenBSD. 84 # in the export file, also add a linker script to version LLVM symbols (form: LLVM_N.M) 85 add_custom_command(OUTPUT ${native_export_file} 86 COMMAND echo "LLVM_${LLVM_VERSION_MAJOR} {" > ${native_export_file} 87 COMMAND grep -q "[[:alnum:]]" ${export_file} && echo " global:" >> ${native_export_file} || : 88 COMMAND sed -e "s/$/;/" -e "s/^/ /" < ${export_file} >> ${native_export_file} 89 COMMAND echo " local: *;" >> ${native_export_file} 90 COMMAND echo "};" >> ${native_export_file} 91 DEPENDS ${export_file} 92 VERBATIM 93 COMMENT "Creating export file for ${target_name}") 94 if (${LLVM_LINKER_IS_SOLARISLD}) 95 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 96 LINK_FLAGS " -Wl,-M,\"${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}\"") 97 else() 98 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 99 LINK_FLAGS " -Wl,--version-script,\"${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}\"") 100 endif() 101 else() 102 set(native_export_file "${target_name}.def") 103 104 add_custom_command(OUTPUT ${native_export_file} 105 COMMAND ${PYTHON_EXECUTABLE} -c "import sys;print(''.join(['EXPORTS\\n']+sys.stdin.readlines(),))" 106 < ${export_file} > ${native_export_file} 107 DEPENDS ${export_file} 108 VERBATIM 109 COMMENT "Creating export file for ${target_name}") 110 set(export_file_linker_flag "${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") 111 if(MSVC) 112 set(export_file_linker_flag "/DEF:\"${export_file_linker_flag}\"") 113 endif() 114 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 115 LINK_FLAGS " ${export_file_linker_flag}") 116 endif() 117 118 add_custom_target(${target_name}_exports DEPENDS ${native_export_file}) 119 set_target_properties(${target_name}_exports PROPERTIES FOLDER "Misc") 120 121 get_property(srcs TARGET ${target_name} PROPERTY SOURCES) 122 foreach(src ${srcs}) 123 get_filename_component(extension ${src} EXT) 124 if(extension STREQUAL ".cpp") 125 set(first_source_file ${src}) 126 break() 127 endif() 128 endforeach() 129 130 # Force re-linking when the exports file changes. Actually, it 131 # forces recompilation of the source file. The LINK_DEPENDS target 132 # property only works for makefile-based generators. 133 # FIXME: This is not safe because this will create the same target 134 # ${native_export_file} in several different file: 135 # - One where we emitted ${target_name}_exports 136 # - One where we emitted the build command for the following object. 137 # set_property(SOURCE ${first_source_file} APPEND PROPERTY 138 # OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}) 139 140 set_property(DIRECTORY APPEND 141 PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${native_export_file}) 142 143 add_dependencies(${target_name} ${target_name}_exports) 144 145 # Add dependency to *_exports later -- CMake issue 14747 146 list(APPEND LLVM_COMMON_DEPENDS ${target_name}_exports) 147 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} PARENT_SCOPE) 148endfunction(add_llvm_symbol_exports) 149 150if(APPLE) 151 execute_process( 152 COMMAND "${CMAKE_LINKER}" -v 153 ERROR_VARIABLE stderr 154 ) 155 set(LLVM_LINKER_DETECTED YES) 156 if("${stderr}" MATCHES "PROJECT:ld64") 157 set(LLVM_LINKER_IS_LD64 YES) 158 message(STATUS "Linker detection: ld64") 159 else() 160 set(LLVM_LINKER_DETECTED NO) 161 message(STATUS "Linker detection: unknown") 162 endif() 163elseif(NOT WIN32) 164 # Detect what linker we have here 165 if( LLVM_USE_LINKER ) 166 set(command ${CMAKE_C_COMPILER} -fuse-ld=${LLVM_USE_LINKER} -Wl,--version) 167 else() 168 separate_arguments(flags UNIX_COMMAND "${CMAKE_EXE_LINKER_FLAGS}") 169 set(command ${CMAKE_C_COMPILER} ${flags} -Wl,--version) 170 endif() 171 execute_process( 172 COMMAND ${command} 173 OUTPUT_VARIABLE stdout 174 ERROR_VARIABLE stderr 175 ) 176 set(LLVM_LINKER_DETECTED YES) 177 if("${stdout}" MATCHES "GNU gold") 178 set(LLVM_LINKER_IS_GOLD YES) 179 message(STATUS "Linker detection: GNU Gold") 180 elseif("${stdout}" MATCHES "^LLD") 181 set(LLVM_LINKER_IS_LLD YES) 182 message(STATUS "Linker detection: LLD") 183 elseif("${stdout}" MATCHES "GNU ld") 184 set(LLVM_LINKER_IS_GNULD YES) 185 message(STATUS "Linker detection: GNU ld") 186 elseif("${stderr}" MATCHES "Solaris Link Editors" OR 187 "${stdout}" MATCHES "Solaris Link Editors") 188 set(LLVM_LINKER_IS_SOLARISLD YES) 189 message(STATUS "Linker detection: Solaris ld") 190 else() 191 set(LLVM_LINKER_DETECTED NO) 192 message(STATUS "Linker detection: unknown") 193 endif() 194endif() 195 196function(add_link_opts target_name) 197 # Don't use linker optimizations in debug builds since it slows down the 198 # linker in a context where the optimizations are not important. 199 if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG") 200 201 # Pass -O3 to the linker. This enabled different optimizations on different 202 # linkers. 203 if(NOT (${CMAKE_SYSTEM_NAME} MATCHES "Darwin|SunOS|AIX" OR WIN32)) 204 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 205 LINK_FLAGS " -Wl,-O3") 206 endif() 207 208 if(LLVM_LINKER_IS_GOLD) 209 # With gold gc-sections is always safe. 210 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 211 LINK_FLAGS " -Wl,--gc-sections") 212 # Note that there is a bug with -Wl,--icf=safe so it is not safe 213 # to enable. See https://sourceware.org/bugzilla/show_bug.cgi?id=17704. 214 endif() 215 216 if(NOT LLVM_NO_DEAD_STRIP) 217 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") 218 # ld64's implementation of -dead_strip breaks tools that use plugins. 219 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 220 LINK_FLAGS " -Wl,-dead_strip") 221 elseif(${CMAKE_SYSTEM_NAME} MATCHES "SunOS") 222 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 223 LINK_FLAGS " -Wl,-z -Wl,discard-unused=sections") 224 elseif(NOT WIN32 AND NOT LLVM_LINKER_IS_GOLD AND NOT ${CMAKE_SYSTEM_NAME} MATCHES "OpenBSD") 225 # Object files are compiled with -ffunction-data-sections. 226 # Versions of bfd ld < 2.23.1 have a bug in --gc-sections that breaks 227 # tools that use plugins. Always pass --gc-sections once we require 228 # a newer linker. 229 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 230 LINK_FLAGS " -Wl,--gc-sections") 231 endif() 232 endif() 233 endif() 234endfunction(add_link_opts) 235 236# Set each output directory according to ${CMAKE_CONFIGURATION_TYPES}. 237# Note: Don't set variables CMAKE_*_OUTPUT_DIRECTORY any more, 238# or a certain builder, for eaxample, msbuild.exe, would be confused. 239function(set_output_directory target) 240 cmake_parse_arguments(ARG "" "BINARY_DIR;LIBRARY_DIR" "" ${ARGN}) 241 242 # module_dir -- corresponding to LIBRARY_OUTPUT_DIRECTORY. 243 # It affects output of add_library(MODULE). 244 if(WIN32 OR CYGWIN) 245 # DLL platform 246 set(module_dir ${ARG_BINARY_DIR}) 247 else() 248 set(module_dir ${ARG_LIBRARY_DIR}) 249 endif() 250 if(NOT "${CMAKE_CFG_INTDIR}" STREQUAL ".") 251 foreach(build_mode ${CMAKE_CONFIGURATION_TYPES}) 252 string(TOUPPER "${build_mode}" CONFIG_SUFFIX) 253 if(ARG_BINARY_DIR) 254 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} bi ${ARG_BINARY_DIR}) 255 set_target_properties(${target} PROPERTIES "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${bi}) 256 endif() 257 if(ARG_LIBRARY_DIR) 258 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} li ${ARG_LIBRARY_DIR}) 259 set_target_properties(${target} PROPERTIES "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${li}) 260 endif() 261 if(module_dir) 262 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} mi ${module_dir}) 263 set_target_properties(${target} PROPERTIES "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${mi}) 264 endif() 265 endforeach() 266 else() 267 if(ARG_BINARY_DIR) 268 set_target_properties(${target} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${ARG_BINARY_DIR}) 269 endif() 270 if(ARG_LIBRARY_DIR) 271 set_target_properties(${target} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${ARG_LIBRARY_DIR}) 272 endif() 273 if(module_dir) 274 set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${module_dir}) 275 endif() 276 endif() 277endfunction() 278 279# If on Windows and building with MSVC, add the resource script containing the 280# VERSIONINFO data to the project. This embeds version resource information 281# into the output .exe or .dll. 282# TODO: Enable for MinGW Windows builds too. 283# 284function(add_windows_version_resource_file OUT_VAR) 285 set(sources ${ARGN}) 286 if (MSVC AND CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows") 287 set(resource_file ${LLVM_SOURCE_DIR}/resources/windows_version_resource.rc) 288 if(EXISTS ${resource_file}) 289 set(sources ${sources} ${resource_file}) 290 source_group("Resource Files" ${resource_file}) 291 set(windows_resource_file ${resource_file} PARENT_SCOPE) 292 endif() 293 endif(MSVC AND CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows") 294 295 set(${OUT_VAR} ${sources} PARENT_SCOPE) 296endfunction(add_windows_version_resource_file) 297 298# set_windows_version_resource_properties(name resource_file... 299# VERSION_MAJOR int 300# Optional major version number (defaults to LLVM_VERSION_MAJOR) 301# VERSION_MINOR int 302# Optional minor version number (defaults to LLVM_VERSION_MINOR) 303# VERSION_PATCHLEVEL int 304# Optional patchlevel version number (defaults to LLVM_VERSION_PATCH) 305# VERSION_STRING 306# Optional version string (defaults to PACKAGE_VERSION) 307# PRODUCT_NAME 308# Optional product name string (defaults to "LLVM") 309# ) 310function(set_windows_version_resource_properties name resource_file) 311 cmake_parse_arguments(ARG 312 "" 313 "VERSION_MAJOR;VERSION_MINOR;VERSION_PATCHLEVEL;VERSION_STRING;PRODUCT_NAME" 314 "" 315 ${ARGN}) 316 317 if (NOT DEFINED ARG_VERSION_MAJOR) 318 set(ARG_VERSION_MAJOR ${LLVM_VERSION_MAJOR}) 319 endif() 320 321 if (NOT DEFINED ARG_VERSION_MINOR) 322 set(ARG_VERSION_MINOR ${LLVM_VERSION_MINOR}) 323 endif() 324 325 if (NOT DEFINED ARG_VERSION_PATCHLEVEL) 326 set(ARG_VERSION_PATCHLEVEL ${LLVM_VERSION_PATCH}) 327 endif() 328 329 if (NOT DEFINED ARG_VERSION_STRING) 330 set(ARG_VERSION_STRING ${PACKAGE_VERSION}) 331 endif() 332 333 if (NOT DEFINED ARG_PRODUCT_NAME) 334 set(ARG_PRODUCT_NAME "LLVM") 335 endif() 336 337 set_property(SOURCE ${resource_file} 338 PROPERTY COMPILE_FLAGS /nologo) 339 set_property(SOURCE ${resource_file} 340 PROPERTY COMPILE_DEFINITIONS 341 "RC_VERSION_FIELD_1=${ARG_VERSION_MAJOR}" 342 "RC_VERSION_FIELD_2=${ARG_VERSION_MINOR}" 343 "RC_VERSION_FIELD_3=${ARG_VERSION_PATCHLEVEL}" 344 "RC_VERSION_FIELD_4=0" 345 "RC_FILE_VERSION=\"${ARG_VERSION_STRING}\"" 346 "RC_INTERNAL_NAME=\"${name}\"" 347 "RC_PRODUCT_NAME=\"${ARG_PRODUCT_NAME}\"" 348 "RC_PRODUCT_VERSION=\"${ARG_VERSION_STRING}\"") 349endfunction(set_windows_version_resource_properties) 350 351# llvm_add_library(name sources... 352# SHARED;STATIC 353# STATIC by default w/o BUILD_SHARED_LIBS. 354# SHARED by default w/ BUILD_SHARED_LIBS. 355# OBJECT 356# Also create an OBJECT library target. Default if STATIC && SHARED. 357# MODULE 358# Target ${name} might not be created on unsupported platforms. 359# Check with "if(TARGET ${name})". 360# DISABLE_LLVM_LINK_LLVM_DYLIB 361# Do not link this library to libLLVM, even if 362# LLVM_LINK_LLVM_DYLIB is enabled. 363# OUTPUT_NAME name 364# Corresponds to OUTPUT_NAME in target properties. 365# DEPENDS targets... 366# Same semantics as add_dependencies(). 367# LINK_COMPONENTS components... 368# Same as the variable LLVM_LINK_COMPONENTS. 369# LINK_LIBS lib_targets... 370# Same semantics as target_link_libraries(). 371# ADDITIONAL_HEADERS 372# May specify header files for IDE generators. 373# SONAME 374# Should set SONAME link flags and create symlinks 375# NO_INSTALL_RPATH 376# Suppress default RPATH settings in shared libraries. 377# PLUGIN_TOOL 378# The tool (i.e. cmake target) that this plugin will link against 379# ) 380function(llvm_add_library name) 381 cmake_parse_arguments(ARG 382 "MODULE;SHARED;STATIC;OBJECT;DISABLE_LLVM_LINK_LLVM_DYLIB;SONAME;NO_INSTALL_RPATH" 383 "OUTPUT_NAME;PLUGIN_TOOL" 384 "ADDITIONAL_HEADERS;DEPENDS;LINK_COMPONENTS;LINK_LIBS;OBJLIBS" 385 ${ARGN}) 386 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS}) 387 if(ARG_ADDITIONAL_HEADERS) 388 # Pass through ADDITIONAL_HEADERS. 389 set(ARG_ADDITIONAL_HEADERS ADDITIONAL_HEADERS ${ARG_ADDITIONAL_HEADERS}) 390 endif() 391 if(ARG_OBJLIBS) 392 set(ALL_FILES ${ARG_OBJLIBS}) 393 else() 394 llvm_process_sources(ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ${ARG_ADDITIONAL_HEADERS}) 395 endif() 396 397 if(ARG_MODULE) 398 if(ARG_SHARED OR ARG_STATIC) 399 message(WARNING "MODULE with SHARED|STATIC doesn't make sense.") 400 endif() 401 # Plugins that link against a tool are allowed even when plugins in general are not 402 if(NOT LLVM_ENABLE_PLUGINS AND NOT (ARG_PLUGIN_TOOL AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS)) 403 message(STATUS "${name} ignored -- Loadable modules not supported on this platform.") 404 return() 405 endif() 406 else() 407 if(ARG_PLUGIN_TOOL) 408 message(WARNING "PLUGIN_TOOL without MODULE doesn't make sense.") 409 endif() 410 if(BUILD_SHARED_LIBS AND NOT ARG_STATIC) 411 set(ARG_SHARED TRUE) 412 endif() 413 if(NOT ARG_SHARED) 414 set(ARG_STATIC TRUE) 415 endif() 416 endif() 417 418 # Generate objlib 419 if((ARG_SHARED AND ARG_STATIC) OR ARG_OBJECT) 420 # Generate an obj library for both targets. 421 set(obj_name "obj.${name}") 422 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL 423 ${ALL_FILES} 424 ) 425 llvm_update_compile_flags(${obj_name}) 426 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>") 427 428 # Do add_dependencies(obj) later due to CMake issue 14747. 429 list(APPEND objlibs ${obj_name}) 430 431 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") 432 endif() 433 434 if(ARG_SHARED AND ARG_STATIC) 435 # static 436 set(name_static "${name}_static") 437 if(ARG_OUTPUT_NAME) 438 set(output_name OUTPUT_NAME "${ARG_OUTPUT_NAME}") 439 endif() 440 # DEPENDS has been appended to LLVM_COMMON_LIBS. 441 llvm_add_library(${name_static} STATIC 442 ${output_name} 443 OBJLIBS ${ALL_FILES} # objlib 444 LINK_LIBS ${ARG_LINK_LIBS} 445 LINK_COMPONENTS ${ARG_LINK_COMPONENTS} 446 ) 447 # FIXME: Add name_static to anywhere in TARGET ${name}'s PROPERTY. 448 set(ARG_STATIC) 449 endif() 450 451 if(ARG_MODULE) 452 add_library(${name} MODULE ${ALL_FILES}) 453 elseif(ARG_SHARED) 454 add_windows_version_resource_file(ALL_FILES ${ALL_FILES}) 455 add_library(${name} SHARED ${ALL_FILES}) 456 else() 457 add_library(${name} STATIC ${ALL_FILES}) 458 endif() 459 460 if(NOT ARG_NO_INSTALL_RPATH) 461 if(ARG_MODULE OR ARG_SHARED) 462 llvm_setup_rpath(${name}) 463 endif() 464 endif() 465 466 setup_dependency_debugging(${name} ${LLVM_COMMON_DEPENDS}) 467 468 if(DEFINED windows_resource_file) 469 set_windows_version_resource_properties(${name} ${windows_resource_file}) 470 set(windows_resource_file ${windows_resource_file} PARENT_SCOPE) 471 endif() 472 473 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) 474 # $<TARGET_OBJECTS> doesn't require compile flags. 475 if(NOT obj_name) 476 llvm_update_compile_flags(${name}) 477 endif() 478 add_link_opts( ${name} ) 479 if(ARG_OUTPUT_NAME) 480 set_target_properties(${name} 481 PROPERTIES 482 OUTPUT_NAME ${ARG_OUTPUT_NAME} 483 ) 484 endif() 485 486 if(ARG_MODULE) 487 set_target_properties(${name} PROPERTIES 488 PREFIX "" 489 SUFFIX ${LLVM_PLUGIN_EXT} 490 ) 491 endif() 492 493 if(ARG_SHARED) 494 if(WIN32) 495 set_target_properties(${name} PROPERTIES 496 PREFIX "" 497 ) 498 endif() 499 500 # Set SOVERSION on shared libraries that lack explicit SONAME 501 # specifier, on *nix systems that are not Darwin. 502 if(UNIX AND NOT APPLE AND NOT ARG_SONAME) 503 set_target_properties(${name} 504 PROPERTIES 505 # Since 4.0.0, the ABI version is indicated by the major version 506 SOVERSION ${LLVM_VERSION_MAJOR}${LLVM_VERSION_SUFFIX} 507 VERSION ${LLVM_VERSION_MAJOR}${LLVM_VERSION_SUFFIX}) 508 endif() 509 endif() 510 511 if(ARG_MODULE OR ARG_SHARED) 512 # Do not add -Dname_EXPORTS to the command-line when building files in this 513 # target. Doing so is actively harmful for the modules build because it 514 # creates extra module variants, and not useful because we don't use these 515 # macros. 516 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) 517 518 if (LLVM_EXPORTED_SYMBOL_FILE) 519 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 520 endif() 521 endif() 522 523 if(ARG_SHARED AND UNIX) 524 if(NOT APPLE AND ARG_SONAME) 525 get_target_property(output_name ${name} OUTPUT_NAME) 526 if(${output_name} STREQUAL "output_name-NOTFOUND") 527 set(output_name ${name}) 528 endif() 529 set(library_name ${output_name}-${LLVM_VERSION_MAJOR}${LLVM_VERSION_SUFFIX}) 530 set(api_name ${output_name}-${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX}) 531 set_target_properties(${name} PROPERTIES OUTPUT_NAME ${library_name}) 532 llvm_install_library_symlink(${api_name} ${library_name} SHARED 533 COMPONENT ${name} 534 ALWAYS_GENERATE) 535 llvm_install_library_symlink(${output_name} ${library_name} SHARED 536 COMPONENT ${name} 537 ALWAYS_GENERATE) 538 endif() 539 endif() 540 541 if(ARG_MODULE AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS AND ARG_PLUGIN_TOOL AND (WIN32 OR CYGWIN)) 542 # On DLL platforms symbols are imported from the tool by linking against it. 543 set(llvm_libs ${ARG_PLUGIN_TOOL}) 544 elseif (DEFINED LLVM_LINK_COMPONENTS OR DEFINED ARG_LINK_COMPONENTS) 545 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB) 546 set(llvm_libs LLVM) 547 else() 548 llvm_map_components_to_libnames(llvm_libs 549 ${ARG_LINK_COMPONENTS} 550 ${LLVM_LINK_COMPONENTS} 551 ) 552 endif() 553 else() 554 # Components have not been defined explicitly in CMake, so add the 555 # dependency information for this library as defined by LLVMBuild. 556 # 557 # It would be nice to verify that we have the dependencies for this library 558 # name, but using get_property(... SET) doesn't suffice to determine if a 559 # property has been set to an empty value. 560 get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${name}) 561 endif() 562 563 if(ARG_STATIC) 564 set(libtype INTERFACE) 565 else() 566 # We can use PRIVATE since SO knows its dependent libs. 567 set(libtype PRIVATE) 568 endif() 569 570 target_link_libraries(${name} ${libtype} 571 ${ARG_LINK_LIBS} 572 ${lib_deps} 573 ${llvm_libs} 574 ) 575 576 if(LLVM_COMMON_DEPENDS) 577 add_dependencies(${name} ${LLVM_COMMON_DEPENDS}) 578 # Add dependencies also to objlibs. 579 # CMake issue 14747 -- add_dependencies() might be ignored to objlib's user. 580 foreach(objlib ${objlibs}) 581 add_dependencies(${objlib} ${LLVM_COMMON_DEPENDS}) 582 endforeach() 583 endif() 584 585 if(ARG_SHARED OR ARG_MODULE) 586 llvm_externalize_debuginfo(${name}) 587 llvm_codesign(${name}) 588 endif() 589endfunction() 590 591function(add_llvm_install_targets target) 592 cmake_parse_arguments(ARG "" "COMPONENT;PREFIX" "DEPENDS" ${ARGN}) 593 if(ARG_COMPONENT) 594 set(component_option -DCMAKE_INSTALL_COMPONENT="${ARG_COMPONENT}") 595 endif() 596 if(ARG_PREFIX) 597 set(prefix_option -DCMAKE_INSTALL_PREFIX="${ARG_PREFIX}") 598 endif() 599 600 add_custom_target(${target} 601 DEPENDS ${ARG_DEPENDS} 602 COMMAND "${CMAKE_COMMAND}" 603 ${component_option} 604 ${prefix_option} 605 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake" 606 USES_TERMINAL) 607 add_custom_target(${target}-stripped 608 DEPENDS ${ARG_DEPENDS} 609 COMMAND "${CMAKE_COMMAND}" 610 ${component_option} 611 ${prefix_option} 612 -DCMAKE_INSTALL_DO_STRIP=1 613 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake" 614 USES_TERMINAL) 615endfunction() 616 617macro(add_llvm_library name) 618 cmake_parse_arguments(ARG 619 "SHARED;BUILDTREE_ONLY;MODULE" 620 "" 621 "" 622 ${ARGN}) 623 if(ARG_MODULE) 624 llvm_add_library(${name} MODULE ${ARG_UNPARSED_ARGUMENTS}) 625 elseif( BUILD_SHARED_LIBS OR ARG_SHARED ) 626 llvm_add_library(${name} SHARED ${ARG_UNPARSED_ARGUMENTS}) 627 else() 628 llvm_add_library(${name} ${ARG_UNPARSED_ARGUMENTS}) 629 endif() 630 631 # Libraries that are meant to only be exposed via the build tree only are 632 # never installed and are only exported as a target in the special build tree 633 # config file. 634 if (NOT ARG_BUILDTREE_ONLY AND NOT ARG_MODULE) 635 set_property( GLOBAL APPEND PROPERTY LLVM_LIBS ${name} ) 636 endif() 637 638 if (ARG_MODULE AND NOT TARGET ${name}) 639 # Add empty "phony" target 640 add_custom_target(${name}) 641 elseif( EXCLUDE_FROM_ALL ) 642 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON) 643 elseif(ARG_BUILDTREE_ONLY) 644 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS_BUILDTREE_ONLY ${name}) 645 else() 646 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "LTO" OR 647 ${name} STREQUAL "OptRemarks" OR 648 (LLVM_LINK_LLVM_DYLIB AND ${name} STREQUAL "LLVM")) 649 set(install_dir lib${LLVM_LIBDIR_SUFFIX}) 650 if(ARG_MODULE OR ARG_SHARED OR BUILD_SHARED_LIBS) 651 if(WIN32 OR CYGWIN OR MINGW) 652 set(install_type RUNTIME) 653 set(install_dir bin) 654 else() 655 set(install_type LIBRARY) 656 endif() 657 else() 658 set(install_type ARCHIVE) 659 endif() 660 661 if (ARG_MODULE) 662 set(install_type LIBRARY) 663 endif() 664 665 if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR 666 NOT LLVM_DISTRIBUTION_COMPONENTS) 667 set(export_to_llvmexports EXPORT LLVMExports) 668 set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True) 669 endif() 670 671 install(TARGETS ${name} 672 ${export_to_llvmexports} 673 ${install_type} DESTINATION ${install_dir} 674 COMPONENT ${name}) 675 676 if (NOT LLVM_ENABLE_IDE) 677 add_llvm_install_targets(install-${name} 678 DEPENDS ${name} 679 COMPONENT ${name}) 680 endif() 681 endif() 682 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 683 endif() 684 if (ARG_MODULE) 685 set_target_properties(${name} PROPERTIES FOLDER "Loadable modules") 686 else() 687 set_target_properties(${name} PROPERTIES FOLDER "Libraries") 688 endif() 689endmacro(add_llvm_library name) 690 691macro(add_llvm_executable name) 692 cmake_parse_arguments(ARG 693 "DISABLE_LLVM_LINK_LLVM_DYLIB;IGNORE_EXTERNALIZE_DEBUGINFO;NO_INSTALL_RPATH" 694 "ENTITLEMENTS" 695 "DEPENDS" 696 ${ARGN}) 697 698 llvm_process_sources( ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ) 699 700 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS}) 701 702 # Generate objlib 703 if(LLVM_ENABLE_OBJLIB) 704 # Generate an obj library for both targets. 705 set(obj_name "obj.${name}") 706 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL 707 ${ALL_FILES} 708 ) 709 llvm_update_compile_flags(${obj_name}) 710 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>") 711 712 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") 713 endif() 714 715 add_windows_version_resource_file(ALL_FILES ${ALL_FILES}) 716 717 if(XCODE) 718 # Note: the dummy.cpp source file provides no definitions. However, 719 # it forces Xcode to properly link the static library. 720 list(APPEND ALL_FILES "${LLVM_MAIN_SRC_DIR}/cmake/dummy.cpp") 721 endif() 722 723 if( EXCLUDE_FROM_ALL ) 724 add_executable(${name} EXCLUDE_FROM_ALL ${ALL_FILES}) 725 else() 726 add_executable(${name} ${ALL_FILES}) 727 endif() 728 729 setup_dependency_debugging(${name} ${LLVM_COMMON_DEPENDS}) 730 731 if(NOT ARG_NO_INSTALL_RPATH) 732 llvm_setup_rpath(${name}) 733 endif() 734 735 if(DEFINED windows_resource_file) 736 set_windows_version_resource_properties(${name} ${windows_resource_file}) 737 endif() 738 739 # $<TARGET_OBJECTS> doesn't require compile flags. 740 if(NOT LLVM_ENABLE_OBJLIB) 741 llvm_update_compile_flags(${name}) 742 endif() 743 add_link_opts( ${name} ) 744 745 # Do not add -Dname_EXPORTS to the command-line when building files in this 746 # target. Doing so is actively harmful for the modules build because it 747 # creates extra module variants, and not useful because we don't use these 748 # macros. 749 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) 750 751 if (LLVM_EXPORTED_SYMBOL_FILE) 752 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 753 endif(LLVM_EXPORTED_SYMBOL_FILE) 754 755 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB) 756 set(USE_SHARED USE_SHARED) 757 endif() 758 759 set(EXCLUDE_FROM_ALL OFF) 760 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) 761 llvm_config( ${name} ${USE_SHARED} ${LLVM_LINK_COMPONENTS} ) 762 if( LLVM_COMMON_DEPENDS ) 763 add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} ) 764 endif( LLVM_COMMON_DEPENDS ) 765 766 if(NOT ARG_IGNORE_EXTERNALIZE_DEBUGINFO) 767 llvm_externalize_debuginfo(${name}) 768 endif() 769 if (LLVM_PTHREAD_LIB) 770 # libpthreads overrides some standard library symbols, so main 771 # executable must be linked with it in order to provide consistent 772 # API for all shared libaries loaded by this executable. 773 target_link_libraries(${name} PRIVATE ${LLVM_PTHREAD_LIB}) 774 endif() 775 776 llvm_codesign(${name} ENTITLEMENTS ${ARG_ENTITLEMENTS}) 777endmacro(add_llvm_executable name) 778 779function(export_executable_symbols target) 780 if (LLVM_EXPORTED_SYMBOL_FILE) 781 # The symbol file should contain the symbols we want the executable to 782 # export 783 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 784 elseif (LLVM_EXPORT_SYMBOLS_FOR_PLUGINS) 785 # Extract the symbols to export from the static libraries that the 786 # executable links against. 787 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 788 set(exported_symbol_file ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${target}.symbols) 789 # We need to consider not just the direct link dependencies, but also the 790 # transitive link dependencies. Do this by starting with the set of direct 791 # dependencies, then the dependencies of those dependencies, and so on. 792 get_target_property(new_libs ${target} LINK_LIBRARIES) 793 set(link_libs ${new_libs}) 794 while(NOT "${new_libs}" STREQUAL "") 795 foreach(lib ${new_libs}) 796 if(TARGET ${lib}) 797 get_target_property(lib_type ${lib} TYPE) 798 if("${lib_type}" STREQUAL "STATIC_LIBRARY") 799 list(APPEND static_libs ${lib}) 800 else() 801 list(APPEND other_libs ${lib}) 802 endif() 803 get_target_property(transitive_libs ${lib} INTERFACE_LINK_LIBRARIES) 804 foreach(transitive_lib ${transitive_libs}) 805 list(FIND link_libs ${transitive_lib} idx) 806 if(TARGET ${transitive_lib} AND idx EQUAL -1) 807 list(APPEND newer_libs ${transitive_lib}) 808 list(APPEND link_libs ${transitive_lib}) 809 endif() 810 endforeach(transitive_lib) 811 endif() 812 endforeach(lib) 813 set(new_libs ${newer_libs}) 814 set(newer_libs "") 815 endwhile() 816 if (MSVC) 817 set(mangling microsoft) 818 else() 819 set(mangling itanium) 820 endif() 821 add_custom_command(OUTPUT ${exported_symbol_file} 822 COMMAND ${PYTHON_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/extract_symbols.py --mangling=${mangling} ${static_libs} -o ${exported_symbol_file} 823 WORKING_DIRECTORY ${LLVM_LIBRARY_OUTPUT_INTDIR} 824 DEPENDS ${LLVM_MAIN_SRC_DIR}/utils/extract_symbols.py ${static_libs} 825 VERBATIM 826 COMMENT "Generating export list for ${target}") 827 add_llvm_symbol_exports( ${target} ${exported_symbol_file} ) 828 # If something links against this executable then we want a 829 # transitive link against only the libraries whose symbols 830 # we aren't exporting. 831 set_target_properties(${target} PROPERTIES INTERFACE_LINK_LIBRARIES "${other_libs}") 832 # The default import library suffix that cmake uses for cygwin/mingw is 833 # ".dll.a", but for clang.exe that causes a collision with libclang.dll, 834 # where the import libraries of both get named libclang.dll.a. Use a suffix 835 # of ".exe.a" to avoid this. 836 if(CYGWIN OR MINGW) 837 set_target_properties(${target} PROPERTIES IMPORT_SUFFIX ".exe.a") 838 endif() 839 elseif(NOT (WIN32 OR CYGWIN)) 840 # On Windows auto-exporting everything doesn't work because of the limit on 841 # the size of the exported symbol table, but on other platforms we can do 842 # it without any trouble. 843 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 844 if (APPLE) 845 set_property(TARGET ${target} APPEND_STRING PROPERTY 846 LINK_FLAGS " -rdynamic") 847 endif() 848 endif() 849endfunction() 850 851if(NOT LLVM_TOOLCHAIN_TOOLS) 852 set (LLVM_TOOLCHAIN_TOOLS 853 llvm-ar 854 llvm-ranlib 855 llvm-lib 856 llvm-objdump 857 llvm-rc 858 ) 859endif() 860 861macro(add_llvm_tool name) 862 if( NOT LLVM_BUILD_TOOLS ) 863 set(EXCLUDE_FROM_ALL ON) 864 endif() 865 add_llvm_executable(${name} ${ARGN}) 866 867 if ( ${name} IN_LIST LLVM_TOOLCHAIN_TOOLS OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 868 if( LLVM_BUILD_TOOLS ) 869 if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR 870 NOT LLVM_DISTRIBUTION_COMPONENTS) 871 set(export_to_llvmexports EXPORT LLVMExports) 872 set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True) 873 endif() 874 875 install(TARGETS ${name} 876 ${export_to_llvmexports} 877 RUNTIME DESTINATION ${LLVM_TOOLS_INSTALL_DIR} 878 COMPONENT ${name}) 879 880 if (NOT LLVM_ENABLE_IDE) 881 add_llvm_install_targets(install-${name} 882 DEPENDS ${name} 883 COMPONENT ${name}) 884 endif() 885 endif() 886 endif() 887 if( LLVM_BUILD_TOOLS ) 888 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 889 endif() 890 set_target_properties(${name} PROPERTIES FOLDER "Tools") 891endmacro(add_llvm_tool name) 892 893 894macro(add_llvm_example name) 895 if( NOT LLVM_BUILD_EXAMPLES ) 896 set(EXCLUDE_FROM_ALL ON) 897 endif() 898 add_llvm_executable(${name} ${ARGN}) 899 if( LLVM_BUILD_EXAMPLES ) 900 install(TARGETS ${name} RUNTIME DESTINATION examples) 901 endif() 902 set_target_properties(${name} PROPERTIES FOLDER "Examples") 903endmacro(add_llvm_example name) 904 905# This is a macro that is used to create targets for executables that are needed 906# for development, but that are not intended to be installed by default. 907macro(add_llvm_utility name) 908 if ( NOT LLVM_BUILD_UTILS ) 909 set(EXCLUDE_FROM_ALL ON) 910 endif() 911 912 add_llvm_executable(${name} DISABLE_LLVM_LINK_LLVM_DYLIB ${ARGN}) 913 set_target_properties(${name} PROPERTIES FOLDER "Utils") 914 if( LLVM_INSTALL_UTILS AND LLVM_BUILD_UTILS ) 915 install (TARGETS ${name} 916 RUNTIME DESTINATION ${LLVM_UTILS_INSTALL_DIR} 917 COMPONENT ${name}) 918 if (NOT LLVM_ENABLE_IDE) 919 add_llvm_install_targets(install-${name} 920 DEPENDS ${name} 921 COMPONENT ${name}) 922 endif() 923 endif() 924endmacro(add_llvm_utility name) 925 926macro(add_llvm_fuzzer name) 927 cmake_parse_arguments(ARG "" "DUMMY_MAIN" "" ${ARGN}) 928 if( LLVM_LIB_FUZZING_ENGINE ) 929 set(LLVM_OPTIONAL_SOURCES ${ARG_DUMMY_MAIN}) 930 add_llvm_executable(${name} ${ARG_UNPARSED_ARGUMENTS}) 931 target_link_libraries(${name} PRIVATE ${LLVM_LIB_FUZZING_ENGINE}) 932 set_target_properties(${name} PROPERTIES FOLDER "Fuzzers") 933 elseif( LLVM_USE_SANITIZE_COVERAGE ) 934 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=fuzzer") 935 set(LLVM_OPTIONAL_SOURCES ${ARG_DUMMY_MAIN}) 936 add_llvm_executable(${name} ${ARG_UNPARSED_ARGUMENTS}) 937 set_target_properties(${name} PROPERTIES FOLDER "Fuzzers") 938 elseif( ARG_DUMMY_MAIN ) 939 add_llvm_executable(${name} ${ARG_DUMMY_MAIN} ${ARG_UNPARSED_ARGUMENTS}) 940 set_target_properties(${name} PROPERTIES FOLDER "Fuzzers") 941 endif() 942endmacro() 943 944macro(add_llvm_target target_name) 945 include_directories(BEFORE 946 ${CMAKE_CURRENT_BINARY_DIR} 947 ${CMAKE_CURRENT_SOURCE_DIR}) 948 add_llvm_library(LLVM${target_name} ${ARGN}) 949 set( CURRENT_LLVM_TARGET LLVM${target_name} ) 950endmacro(add_llvm_target) 951 952function(canonicalize_tool_name name output) 953 string(REPLACE "${CMAKE_CURRENT_SOURCE_DIR}/" "" nameStrip ${name}) 954 string(REPLACE "-" "_" nameUNDERSCORE ${nameStrip}) 955 string(TOUPPER ${nameUNDERSCORE} nameUPPER) 956 set(${output} "${nameUPPER}" PARENT_SCOPE) 957endfunction(canonicalize_tool_name) 958 959# Custom add_subdirectory wrapper 960# Takes in a project name (i.e. LLVM), the subdirectory name, and an optional 961# path if it differs from the name. 962function(add_llvm_subdirectory project type name) 963 set(add_llvm_external_dir "${ARGN}") 964 if("${add_llvm_external_dir}" STREQUAL "") 965 set(add_llvm_external_dir ${name}) 966 endif() 967 canonicalize_tool_name(${name} nameUPPER) 968 set(canonical_full_name ${project}_${type}_${nameUPPER}) 969 get_property(already_processed GLOBAL PROPERTY ${canonical_full_name}_PROCESSED) 970 if(already_processed) 971 return() 972 endif() 973 set_property(GLOBAL PROPERTY ${canonical_full_name}_PROCESSED YES) 974 975 if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}/CMakeLists.txt) 976 # Treat it as in-tree subproject. 977 option(${canonical_full_name}_BUILD 978 "Whether to build ${name} as part of ${project}" On) 979 mark_as_advanced(${project}_${type}_${name}_BUILD) 980 if(${canonical_full_name}_BUILD) 981 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir} ${add_llvm_external_dir}) 982 endif() 983 else() 984 set(LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR 985 "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" 986 CACHE PATH "Path to ${name} source directory") 987 set(${canonical_full_name}_BUILD_DEFAULT ON) 988 if(NOT LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR OR NOT EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}) 989 set(${canonical_full_name}_BUILD_DEFAULT OFF) 990 endif() 991 if("${LLVM_EXTERNAL_${nameUPPER}_BUILD}" STREQUAL "OFF") 992 set(${canonical_full_name}_BUILD_DEFAULT OFF) 993 endif() 994 option(${canonical_full_name}_BUILD 995 "Whether to build ${name} as part of LLVM" 996 ${${canonical_full_name}_BUILD_DEFAULT}) 997 if (${canonical_full_name}_BUILD) 998 if(EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}) 999 add_subdirectory(${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} ${add_llvm_external_dir}) 1000 elseif(NOT "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" STREQUAL "") 1001 message(WARNING "Nonexistent directory for ${name}: ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}") 1002 endif() 1003 endif() 1004 endif() 1005endfunction() 1006 1007# Add external project that may want to be built as part of llvm such as Clang, 1008# lld, and Polly. This adds two options. One for the source directory of the 1009# project, which defaults to ${CMAKE_CURRENT_SOURCE_DIR}/${name}. Another to 1010# enable or disable building it with everything else. 1011# Additional parameter can be specified as the name of directory. 1012macro(add_llvm_external_project name) 1013 add_llvm_subdirectory(LLVM TOOL ${name} ${ARGN}) 1014endmacro() 1015 1016macro(add_llvm_tool_subdirectory name) 1017 add_llvm_external_project(${name}) 1018endmacro(add_llvm_tool_subdirectory) 1019 1020function(get_project_name_from_src_var var output) 1021 string(REGEX MATCH "LLVM_EXTERNAL_(.*)_SOURCE_DIR" 1022 MACHED_TOOL "${var}") 1023 if(MACHED_TOOL) 1024 set(${output} ${CMAKE_MATCH_1} PARENT_SCOPE) 1025 else() 1026 set(${output} PARENT_SCOPE) 1027 endif() 1028endfunction() 1029 1030function(create_subdirectory_options project type) 1031 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") 1032 foreach(dir ${sub-dirs}) 1033 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt") 1034 canonicalize_tool_name(${dir} name) 1035 option(${project}_${type}_${name}_BUILD 1036 "Whether to build ${name} as part of ${project}" On) 1037 mark_as_advanced(${project}_${type}_${name}_BUILD) 1038 endif() 1039 endforeach() 1040endfunction(create_subdirectory_options) 1041 1042function(create_llvm_tool_options) 1043 create_subdirectory_options(LLVM TOOL) 1044endfunction(create_llvm_tool_options) 1045 1046function(llvm_add_implicit_projects project) 1047 set(list_of_implicit_subdirs "") 1048 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") 1049 foreach(dir ${sub-dirs}) 1050 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt") 1051 canonicalize_tool_name(${dir} name) 1052 if (${project}_TOOL_${name}_BUILD) 1053 get_filename_component(fn "${dir}" NAME) 1054 list(APPEND list_of_implicit_subdirs "${fn}") 1055 endif() 1056 endif() 1057 endforeach() 1058 1059 foreach(external_proj ${list_of_implicit_subdirs}) 1060 add_llvm_subdirectory(${project} TOOL "${external_proj}" ${ARGN}) 1061 endforeach() 1062endfunction(llvm_add_implicit_projects) 1063 1064function(add_llvm_implicit_projects) 1065 llvm_add_implicit_projects(LLVM) 1066endfunction(add_llvm_implicit_projects) 1067 1068# Generic support for adding a unittest. 1069function(add_unittest test_suite test_name) 1070 if( NOT LLVM_BUILD_TESTS ) 1071 set(EXCLUDE_FROM_ALL ON) 1072 endif() 1073 1074 # Our current version of gtest does not properly recognize C++11 support 1075 # with MSVC, so it falls back to tr1 / experimental classes. Since LLVM 1076 # itself requires C++11, we can safely force it on unconditionally so that 1077 # we don't have to fight with the buggy gtest check. 1078 add_definitions(-DGTEST_LANG_CXX11=1) 1079 add_definitions(-DGTEST_HAS_TR1_TUPLE=0) 1080 1081 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include) 1082 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googlemock/include) 1083 if (NOT LLVM_ENABLE_THREADS) 1084 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_PTHREAD=0) 1085 endif () 1086 1087 if (SUPPORTS_VARIADIC_MACROS_FLAG) 1088 list(APPEND LLVM_COMPILE_FLAGS "-Wno-variadic-macros") 1089 endif () 1090 # Some parts of gtest rely on this GNU extension, don't warn on it. 1091 if(SUPPORTS_GNU_ZERO_VARIADIC_MACRO_ARGUMENTS_FLAG) 1092 list(APPEND LLVM_COMPILE_FLAGS "-Wno-gnu-zero-variadic-macro-arguments") 1093 endif() 1094 1095 set(LLVM_REQUIRES_RTTI OFF) 1096 1097 list(APPEND LLVM_LINK_COMPONENTS Support) # gtest needs it for raw_ostream 1098 add_llvm_executable(${test_name} IGNORE_EXTERNALIZE_DEBUGINFO NO_INSTALL_RPATH ${ARGN}) 1099 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}) 1100 set_output_directory(${test_name} BINARY_DIR ${outdir} LIBRARY_DIR ${outdir}) 1101 # libpthreads overrides some standard library symbols, so main 1102 # executable must be linked with it in order to provide consistent 1103 # API for all shared libaries loaded by this executable. 1104 target_link_libraries(${test_name} PRIVATE gtest_main gtest ${LLVM_PTHREAD_LIB}) 1105 1106 add_dependencies(${test_suite} ${test_name}) 1107 get_target_property(test_suite_folder ${test_suite} FOLDER) 1108 if (NOT ${test_suite_folder} STREQUAL "NOTFOUND") 1109 set_property(TARGET ${test_name} PROPERTY FOLDER "${test_suite_folder}") 1110 endif () 1111endfunction() 1112 1113# Use for test binaries that call llvm::getInputFileDirectory(). Use of this 1114# is discouraged. 1115function(add_unittest_with_input_files test_suite test_name) 1116 set(LLVM_UNITTEST_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}) 1117 configure_file( 1118 ${LLVM_MAIN_SRC_DIR}/unittests/unittest.cfg.in 1119 ${CMAKE_CURRENT_BINARY_DIR}/llvm.srcdir.txt) 1120 1121 add_unittest(${test_suite} ${test_name} ${ARGN}) 1122endfunction() 1123 1124# Generic support for adding a benchmark. 1125function(add_benchmark benchmark_name) 1126 if( NOT LLVM_BUILD_BENCHMARKS ) 1127 set(EXCLUDE_FROM_ALL ON) 1128 endif() 1129 1130 add_llvm_executable(${benchmark_name} IGNORE_EXTERNALIZE_DEBUGINFO NO_INSTALL_RPATH ${ARGN}) 1131 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}) 1132 set_output_directory(${benchmark_name} BINARY_DIR ${outdir} LIBRARY_DIR ${outdir}) 1133 set_property(TARGET ${benchmark_name} PROPERTY FOLDER "Utils") 1134 target_link_libraries(${benchmark_name} PRIVATE benchmark) 1135endfunction() 1136 1137function(llvm_add_go_executable binary pkgpath) 1138 cmake_parse_arguments(ARG "ALL" "" "DEPENDS;GOFLAGS" ${ARGN}) 1139 1140 if(LLVM_BINDINGS MATCHES "go") 1141 # FIXME: This should depend only on the libraries Go needs. 1142 get_property(llvmlibs GLOBAL PROPERTY LLVM_LIBS) 1143 set(binpath ${CMAKE_BINARY_DIR}/bin/${binary}${CMAKE_EXECUTABLE_SUFFIX}) 1144 set(cc "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}") 1145 set(cxx "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}") 1146 set(cppflags "") 1147 get_property(include_dirs DIRECTORY PROPERTY INCLUDE_DIRECTORIES) 1148 foreach(d ${include_dirs}) 1149 set(cppflags "${cppflags} -I${d}") 1150 endforeach(d) 1151 set(ldflags "${CMAKE_EXE_LINKER_FLAGS}") 1152 add_custom_command(OUTPUT ${binpath} 1153 COMMAND ${CMAKE_BINARY_DIR}/bin/llvm-go "go=${GO_EXECUTABLE}" "cc=${cc}" "cxx=${cxx}" "cppflags=${cppflags}" "ldflags=${ldflags}" "packages=${LLVM_GO_PACKAGES}" 1154 ${ARG_GOFLAGS} build -o ${binpath} ${pkgpath} 1155 DEPENDS llvm-config ${CMAKE_BINARY_DIR}/bin/llvm-go${CMAKE_EXECUTABLE_SUFFIX} 1156 ${llvmlibs} ${ARG_DEPENDS} 1157 COMMENT "Building Go executable ${binary}" 1158 VERBATIM) 1159 if (ARG_ALL) 1160 add_custom_target(${binary} ALL DEPENDS ${binpath}) 1161 else() 1162 add_custom_target(${binary} DEPENDS ${binpath}) 1163 endif() 1164 endif() 1165endfunction() 1166 1167# This function canonicalize the CMake variables passed by names 1168# from CMake boolean to 0/1 suitable for passing into Python or C++, 1169# in place. 1170function(llvm_canonicalize_cmake_booleans) 1171 foreach(var ${ARGN}) 1172 if(${var}) 1173 set(${var} 1 PARENT_SCOPE) 1174 else() 1175 set(${var} 0 PARENT_SCOPE) 1176 endif() 1177 endforeach() 1178endfunction(llvm_canonicalize_cmake_booleans) 1179 1180macro(set_llvm_build_mode) 1181 # Configuration-time: See Unit/lit.site.cfg.in 1182 if (CMAKE_CFG_INTDIR STREQUAL ".") 1183 set(LLVM_BUILD_MODE ".") 1184 else () 1185 set(LLVM_BUILD_MODE "%(build_mode)s") 1186 endif () 1187endmacro() 1188 1189# This function provides an automatic way to 'configure'-like generate a file 1190# based on a set of common and custom variables, specifically targeting the 1191# variables needed for the 'lit.site.cfg' files. This function bundles the 1192# common variables that any Lit instance is likely to need, and custom 1193# variables can be passed in. 1194function(configure_lit_site_cfg site_in site_out) 1195 cmake_parse_arguments(ARG "" "" "MAIN_CONFIG;OUTPUT_MAPPING" ${ARGN}) 1196 1197 if ("${ARG_MAIN_CONFIG}" STREQUAL "") 1198 get_filename_component(INPUT_DIR ${site_in} DIRECTORY) 1199 set(ARG_MAIN_CONFIG "${INPUT_DIR}/lit.cfg") 1200 endif() 1201 if ("${ARG_OUTPUT_MAPPING}" STREQUAL "") 1202 set(ARG_OUTPUT_MAPPING "${site_out}") 1203 endif() 1204 1205 foreach(c ${LLVM_TARGETS_TO_BUILD}) 1206 set(TARGETS_BUILT "${TARGETS_BUILT} ${c}") 1207 endforeach(c) 1208 set(TARGETS_TO_BUILD ${TARGETS_BUILT}) 1209 1210 set(SHLIBEXT "${LTDL_SHLIB_EXT}") 1211 1212 set_llvm_build_mode() 1213 1214 # They below might not be the build tree but provided binary tree. 1215 set(LLVM_SOURCE_DIR ${LLVM_MAIN_SRC_DIR}) 1216 set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR}) 1217 string(REPLACE "${CMAKE_CFG_INTDIR}" "${LLVM_BUILD_MODE}" LLVM_TOOLS_DIR "${LLVM_TOOLS_BINARY_DIR}") 1218 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_LIBS_DIR "${LLVM_LIBRARY_DIR}") 1219 1220 # SHLIBDIR points the build tree. 1221 string(REPLACE "${CMAKE_CFG_INTDIR}" "${LLVM_BUILD_MODE}" SHLIBDIR "${LLVM_SHLIB_OUTPUT_INTDIR}") 1222 1223 set(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE}) 1224 # FIXME: "ENABLE_SHARED" doesn't make sense, since it is used just for 1225 # plugins. We may rename it. 1226 if(LLVM_ENABLE_PLUGINS) 1227 set(ENABLE_SHARED "1") 1228 else() 1229 set(ENABLE_SHARED "0") 1230 endif() 1231 1232 if(LLVM_ENABLE_ASSERTIONS AND NOT MSVC_IDE) 1233 set(ENABLE_ASSERTIONS "1") 1234 else() 1235 set(ENABLE_ASSERTIONS "0") 1236 endif() 1237 1238 set(HOST_OS ${CMAKE_SYSTEM_NAME}) 1239 set(HOST_ARCH ${CMAKE_SYSTEM_PROCESSOR}) 1240 1241 set(HOST_CC "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}") 1242 set(HOST_CXX "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}") 1243 set(HOST_LDFLAGS "${CMAKE_EXE_LINKER_FLAGS}") 1244 1245 set(LIT_SITE_CFG_IN_HEADER "## Autogenerated from ${site_in}\n## Do not edit!") 1246 1247 # Override config_target_triple (and the env) 1248 if(LLVM_TARGET_TRIPLE_ENV) 1249 # This is expanded into the heading. 1250 string(CONCAT LIT_SITE_CFG_IN_HEADER "${LIT_SITE_CFG_IN_HEADER}\n\n" 1251 "import os\n" 1252 "target_env = \"${LLVM_TARGET_TRIPLE_ENV}\"\n" 1253 "config.target_triple = config.environment[target_env] = os.environ.get(target_env, \"${TARGET_TRIPLE}\")\n" 1254 ) 1255 1256 # This is expanded to; config.target_triple = ""+config.target_triple+"" 1257 set(TARGET_TRIPLE "\"+config.target_triple+\"") 1258 endif() 1259 1260 configure_file(${site_in} ${site_out} @ONLY) 1261 if (EXISTS "${ARG_MAIN_CONFIG}") 1262 set(PYTHON_STATEMENT "map_config('${ARG_MAIN_CONFIG}', '${site_out}')") 1263 get_property(LLVM_LIT_CONFIG_MAP GLOBAL PROPERTY LLVM_LIT_CONFIG_MAP) 1264 set(LLVM_LIT_CONFIG_MAP "${LLVM_LIT_CONFIG_MAP}\n${PYTHON_STATEMENT}") 1265 set_property(GLOBAL PROPERTY LLVM_LIT_CONFIG_MAP ${LLVM_LIT_CONFIG_MAP}) 1266 endif() 1267endfunction() 1268 1269function(dump_all_cmake_variables) 1270 get_cmake_property(_variableNames VARIABLES) 1271 foreach (_variableName ${_variableNames}) 1272 message(STATUS "${_variableName}=${${_variableName}}") 1273 endforeach() 1274endfunction() 1275 1276function(get_llvm_lit_path base_dir file_name) 1277 cmake_parse_arguments(ARG "ALLOW_EXTERNAL" "" "" ${ARGN}) 1278 1279 if (ARG_ALLOW_EXTERNAL) 1280 set(LLVM_DEFAULT_EXTERNAL_LIT "${LLVM_EXTERNAL_LIT}") 1281 set (LLVM_EXTERNAL_LIT "" CACHE STRING "Command used to spawn lit") 1282 if ("${LLVM_EXTERNAL_LIT}" STREQUAL "") 1283 set(LLVM_EXTERNAL_LIT "${LLVM_DEFAULT_EXTERNAL_LIT}") 1284 endif() 1285 1286 if (NOT "${LLVM_EXTERNAL_LIT}" STREQUAL "") 1287 if (EXISTS ${LLVM_EXTERNAL_LIT}) 1288 get_filename_component(LIT_FILE_NAME ${LLVM_EXTERNAL_LIT} NAME) 1289 get_filename_component(LIT_BASE_DIR ${LLVM_EXTERNAL_LIT} DIRECTORY) 1290 set(${file_name} ${LIT_FILE_NAME} PARENT_SCOPE) 1291 set(${base_dir} ${LIT_BASE_DIR} PARENT_SCOPE) 1292 return() 1293 else() 1294 message(WARN "LLVM_EXTERNAL_LIT set to ${LLVM_EXTERNAL_LIT}, but the path does not exist.") 1295 endif() 1296 endif() 1297 endif() 1298 1299 set(lit_file_name "llvm-lit") 1300 if (CMAKE_HOST_WIN32 AND NOT CYGWIN) 1301 # llvm-lit needs suffix.py for multiprocess to find a main module. 1302 set(lit_file_name "${lit_file_name}.py") 1303 endif () 1304 set(${file_name} ${lit_file_name} PARENT_SCOPE) 1305 1306 get_property(LLVM_LIT_BASE_DIR GLOBAL PROPERTY LLVM_LIT_BASE_DIR) 1307 if (NOT "${LLVM_LIT_BASE_DIR}" STREQUAL "") 1308 set(${base_dir} ${LLVM_LIT_BASE_DIR} PARENT_SCOPE) 1309 endif() 1310 1311 # Allow individual projects to provide an override 1312 if (NOT "${LLVM_LIT_OUTPUT_DIR}" STREQUAL "") 1313 set(LLVM_LIT_BASE_DIR ${LLVM_LIT_OUTPUT_DIR}) 1314 elseif(NOT "${LLVM_RUNTIME_OUTPUT_INTDIR}" STREQUAL "") 1315 set(LLVM_LIT_BASE_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR}) 1316 else() 1317 set(LLVM_LIT_BASE_DIR "") 1318 endif() 1319 1320 # Cache this so we don't have to do it again and have subsequent calls 1321 # potentially disagree on the value. 1322 set_property(GLOBAL PROPERTY LLVM_LIT_BASE_DIR ${LLVM_LIT_BASE_DIR}) 1323 set(${base_dir} ${LLVM_LIT_BASE_DIR} PARENT_SCOPE) 1324endfunction() 1325 1326# A raw function to create a lit target. This is used to implement the testuite 1327# management functions. 1328function(add_lit_target target comment) 1329 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1330 set(LIT_ARGS "${ARG_ARGS} ${LLVM_LIT_ARGS}") 1331 separate_arguments(LIT_ARGS) 1332 if (NOT CMAKE_CFG_INTDIR STREQUAL ".") 1333 list(APPEND LIT_ARGS --param build_mode=${CMAKE_CFG_INTDIR}) 1334 endif () 1335 1336 # Get the path to the lit to *run* tests with. This can be overriden by 1337 # the user by specifying -DLLVM_EXTERNAL_LIT=<path-to-lit.py> 1338 get_llvm_lit_path( 1339 lit_base_dir 1340 lit_file_name 1341 ALLOW_EXTERNAL 1342 ) 1343 1344 set(LIT_COMMAND "${PYTHON_EXECUTABLE};${lit_base_dir}/${lit_file_name}") 1345 list(APPEND LIT_COMMAND ${LIT_ARGS}) 1346 foreach(param ${ARG_PARAMS}) 1347 list(APPEND LIT_COMMAND --param ${param}) 1348 endforeach() 1349 if (ARG_UNPARSED_ARGUMENTS) 1350 add_custom_target(${target} 1351 COMMAND ${LIT_COMMAND} ${ARG_UNPARSED_ARGUMENTS} 1352 COMMENT "${comment}" 1353 USES_TERMINAL 1354 ) 1355 else() 1356 add_custom_target(${target} 1357 COMMAND ${CMAKE_COMMAND} -E echo "${target} does nothing, no tools built.") 1358 message(STATUS "${target} does nothing.") 1359 endif() 1360 1361 if (ARG_DEPENDS) 1362 add_dependencies(${target} ${ARG_DEPENDS}) 1363 endif() 1364 1365 # Tests should be excluded from "Build Solution". 1366 set_target_properties(${target} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD ON) 1367endfunction() 1368 1369# A function to add a set of lit test suites to be driven through 'check-*' targets. 1370function(add_lit_testsuite target comment) 1371 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1372 1373 # EXCLUDE_FROM_ALL excludes the test ${target} out of check-all. 1374 if(NOT EXCLUDE_FROM_ALL) 1375 # Register the testsuites, params and depends for the global check rule. 1376 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_TESTSUITES ${ARG_UNPARSED_ARGUMENTS}) 1377 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_PARAMS ${ARG_PARAMS}) 1378 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_DEPENDS ${ARG_DEPENDS}) 1379 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_EXTRA_ARGS ${ARG_ARGS}) 1380 endif() 1381 1382 # Produce a specific suffixed check rule. 1383 add_lit_target(${target} ${comment} 1384 ${ARG_UNPARSED_ARGUMENTS} 1385 PARAMS ${ARG_PARAMS} 1386 DEPENDS ${ARG_DEPENDS} 1387 ARGS ${ARG_ARGS} 1388 ) 1389endfunction() 1390 1391function(add_lit_testsuites project directory) 1392 if (NOT LLVM_ENABLE_IDE) 1393 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1394 1395 # Search recursively for test directories by assuming anything not 1396 # in a directory called Inputs contains tests. 1397 file(GLOB_RECURSE to_process LIST_DIRECTORIES true ${directory}/*) 1398 foreach(lit_suite ${to_process}) 1399 if(NOT IS_DIRECTORY ${lit_suite}) 1400 continue() 1401 endif() 1402 string(FIND ${lit_suite} Inputs is_inputs) 1403 string(FIND ${lit_suite} Output is_output) 1404 if (NOT (is_inputs EQUAL -1 AND is_output EQUAL -1)) 1405 continue() 1406 endif() 1407 1408 # Create a check- target for the directory. 1409 string(REPLACE ${directory} "" name_slash ${lit_suite}) 1410 if (name_slash) 1411 string(REPLACE "/" "-" name_slash ${name_slash}) 1412 string(REPLACE "\\" "-" name_dashes ${name_slash}) 1413 string(TOLOWER "${project}${name_dashes}" name_var) 1414 add_lit_target("check-${name_var}" "Running lit suite ${lit_suite}" 1415 ${lit_suite} 1416 PARAMS ${ARG_PARAMS} 1417 DEPENDS ${ARG_DEPENDS} 1418 ARGS ${ARG_ARGS} 1419 ) 1420 endif() 1421 endforeach() 1422 endif() 1423endfunction() 1424 1425function(llvm_install_library_symlink name dest type) 1426 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "COMPONENT" "" ${ARGN}) 1427 foreach(path ${CMAKE_MODULE_PATH}) 1428 if(EXISTS ${path}/LLVMInstallSymlink.cmake) 1429 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake) 1430 break() 1431 endif() 1432 endforeach() 1433 1434 set(component ${ARG_COMPONENT}) 1435 if(NOT component) 1436 set(component ${name}) 1437 endif() 1438 1439 set(full_name ${CMAKE_${type}_LIBRARY_PREFIX}${name}${CMAKE_${type}_LIBRARY_SUFFIX}) 1440 set(full_dest ${CMAKE_${type}_LIBRARY_PREFIX}${dest}${CMAKE_${type}_LIBRARY_SUFFIX}) 1441 1442 set(output_dir lib${LLVM_LIBDIR_SUFFIX}) 1443 if(WIN32 AND "${type}" STREQUAL "SHARED") 1444 set(output_dir bin) 1445 endif() 1446 1447 install(SCRIPT ${INSTALL_SYMLINK} 1448 CODE "install_symlink(${full_name} ${full_dest} ${output_dir})" 1449 COMPONENT ${component}) 1450 1451 if (NOT LLVM_ENABLE_IDE AND NOT ARG_ALWAYS_GENERATE) 1452 add_llvm_install_targets(install-${name} 1453 DEPENDS ${name} ${dest} install-${dest} 1454 COMPONENT ${name}) 1455 endif() 1456endfunction() 1457 1458function(llvm_install_symlink name dest) 1459 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "COMPONENT" "" ${ARGN}) 1460 foreach(path ${CMAKE_MODULE_PATH}) 1461 if(EXISTS ${path}/LLVMInstallSymlink.cmake) 1462 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake) 1463 break() 1464 endif() 1465 endforeach() 1466 1467 if(ARG_COMPONENT) 1468 set(component ${ARG_COMPONENT}) 1469 else() 1470 if(ARG_ALWAYS_GENERATE) 1471 set(component ${dest}) 1472 else() 1473 set(component ${name}) 1474 endif() 1475 endif() 1476 1477 set(full_name ${name}${CMAKE_EXECUTABLE_SUFFIX}) 1478 set(full_dest ${dest}${CMAKE_EXECUTABLE_SUFFIX}) 1479 1480 install(SCRIPT ${INSTALL_SYMLINK} 1481 CODE "install_symlink(${full_name} ${full_dest} ${LLVM_TOOLS_INSTALL_DIR})" 1482 COMPONENT ${component}) 1483 1484 if (NOT LLVM_ENABLE_IDE AND NOT ARG_ALWAYS_GENERATE) 1485 add_llvm_install_targets(install-${name} 1486 DEPENDS ${name} ${dest} install-${dest} 1487 COMPONENT ${name}) 1488 endif() 1489endfunction() 1490 1491function(add_llvm_tool_symlink link_name target) 1492 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "OUTPUT_DIR" "" ${ARGN}) 1493 set(dest_binary "$<TARGET_FILE:${target}>") 1494 1495 # This got a bit gross... For multi-configuration generators the target 1496 # properties return the resolved value of the string, not the build system 1497 # expression. To reconstruct the platform-agnostic path we have to do some 1498 # magic. First we grab one of the types, and a type-specific path. Then from 1499 # the type-specific path we find the last occurrence of the type in the path, 1500 # and replace it with CMAKE_CFG_INTDIR. This allows the build step to be type 1501 # agnostic again. 1502 if(NOT ARG_OUTPUT_DIR) 1503 # If you're not overriding the OUTPUT_DIR, we can make the link relative in 1504 # the same directory. 1505 if(CMAKE_HOST_UNIX) 1506 set(dest_binary "$<TARGET_FILE_NAME:${target}>") 1507 endif() 1508 if(CMAKE_CONFIGURATION_TYPES) 1509 list(GET CMAKE_CONFIGURATION_TYPES 0 first_type) 1510 string(TOUPPER ${first_type} first_type_upper) 1511 set(first_type_suffix _${first_type_upper}) 1512 endif() 1513 get_target_property(target_type ${target} TYPE) 1514 if(${target_type} STREQUAL "STATIC_LIBRARY") 1515 get_target_property(ARG_OUTPUT_DIR ${target} ARCHIVE_OUTPUT_DIRECTORY${first_type_suffix}) 1516 elseif(UNIX AND ${target_type} STREQUAL "SHARED_LIBRARY") 1517 get_target_property(ARG_OUTPUT_DIR ${target} LIBRARY_OUTPUT_DIRECTORY${first_type_suffix}) 1518 else() 1519 get_target_property(ARG_OUTPUT_DIR ${target} RUNTIME_OUTPUT_DIRECTORY${first_type_suffix}) 1520 endif() 1521 if(CMAKE_CONFIGURATION_TYPES) 1522 string(FIND "${ARG_OUTPUT_DIR}" "/${first_type}/" type_start REVERSE) 1523 string(SUBSTRING "${ARG_OUTPUT_DIR}" 0 ${type_start} path_prefix) 1524 string(SUBSTRING "${ARG_OUTPUT_DIR}" ${type_start} -1 path_suffix) 1525 string(REPLACE "/${first_type}/" "/${CMAKE_CFG_INTDIR}/" 1526 path_suffix ${path_suffix}) 1527 set(ARG_OUTPUT_DIR ${path_prefix}${path_suffix}) 1528 endif() 1529 endif() 1530 1531 if(CMAKE_HOST_UNIX) 1532 set(LLVM_LINK_OR_COPY create_symlink) 1533 else() 1534 set(LLVM_LINK_OR_COPY copy) 1535 endif() 1536 1537 set(output_path "${ARG_OUTPUT_DIR}/${link_name}${CMAKE_EXECUTABLE_SUFFIX}") 1538 1539 set(target_name ${link_name}) 1540 if(TARGET ${link_name}) 1541 set(target_name ${link_name}-link) 1542 endif() 1543 1544 1545 if(ARG_ALWAYS_GENERATE) 1546 set_property(DIRECTORY APPEND PROPERTY 1547 ADDITIONAL_MAKE_CLEAN_FILES ${dest_binary}) 1548 add_custom_command(TARGET ${target} POST_BUILD 1549 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}") 1550 else() 1551 add_custom_command(OUTPUT ${output_path} 1552 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}" 1553 DEPENDS ${target}) 1554 add_custom_target(${target_name} ALL DEPENDS ${target} ${output_path}) 1555 set_target_properties(${target_name} PROPERTIES FOLDER Tools) 1556 1557 # Make sure both the link and target are toolchain tools 1558 if (${link_name} IN_LIST LLVM_TOOLCHAIN_TOOLS AND ${target} IN_LIST LLVM_TOOLCHAIN_TOOLS) 1559 set(TOOL_IS_TOOLCHAIN ON) 1560 endif() 1561 1562 if ((TOOL_IS_TOOLCHAIN OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) AND LLVM_BUILD_TOOLS) 1563 llvm_install_symlink(${link_name} ${target}) 1564 endif() 1565 endif() 1566endfunction() 1567 1568function(llvm_externalize_debuginfo name) 1569 if(NOT LLVM_EXTERNALIZE_DEBUGINFO) 1570 return() 1571 endif() 1572 1573 if(NOT LLVM_EXTERNALIZE_DEBUGINFO_SKIP_STRIP) 1574 if(APPLE) 1575 if(NOT CMAKE_STRIP) 1576 set(CMAKE_STRIP xcrun strip) 1577 endif() 1578 set(strip_command COMMAND ${CMAKE_STRIP} -Sxl $<TARGET_FILE:${name}>) 1579 else() 1580 set(strip_command COMMAND ${CMAKE_STRIP} -g -x $<TARGET_FILE:${name}>) 1581 endif() 1582 endif() 1583 1584 if(LLVM_EXTERNALIZE_DEBUGINFO_OUTPUT_DIR) 1585 if(APPLE) 1586 set(output_name "$<TARGET_FILE_NAME:${name}>.dSYM") 1587 set(output_path "-o=${LLVM_EXTERNALIZE_DEBUGINFO_OUTPUT_DIR}/${output_name}") 1588 endif() 1589 endif() 1590 1591 if(APPLE) 1592 if(CMAKE_CXX_FLAGS MATCHES "-flto" 1593 OR CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE} MATCHES "-flto") 1594 1595 set(lto_object ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${name}-lto.o) 1596 set_property(TARGET ${name} APPEND_STRING PROPERTY 1597 LINK_FLAGS " -Wl,-object_path_lto,${lto_object}") 1598 endif() 1599 if(NOT CMAKE_DSYMUTIL) 1600 set(CMAKE_DSYMUTIL xcrun dsymutil) 1601 endif() 1602 add_custom_command(TARGET ${name} POST_BUILD 1603 COMMAND ${CMAKE_DSYMUTIL} ${output_path} $<TARGET_FILE:${name}> 1604 ${strip_command} 1605 ) 1606 else() 1607 add_custom_command(TARGET ${name} POST_BUILD 1608 COMMAND ${CMAKE_OBJCOPY} --only-keep-debug $<TARGET_FILE:${name}> $<TARGET_FILE:${name}>.debug 1609 ${strip_command} -R .gnu_debuglink 1610 COMMAND ${CMAKE_OBJCOPY} --add-gnu-debuglink=$<TARGET_FILE:${name}>.debug $<TARGET_FILE:${name}> 1611 ) 1612 endif() 1613endfunction() 1614 1615# Usage: llvm_codesign(name [ENTITLEMENTS file]) 1616function(llvm_codesign name) 1617 cmake_parse_arguments(ARG "" "ENTITLEMENTS" "" ${ARGN}) 1618 1619 if(NOT LLVM_CODESIGNING_IDENTITY) 1620 return() 1621 endif() 1622 1623 if(CMAKE_GENERATOR STREQUAL "Xcode") 1624 set_target_properties(${name} PROPERTIES 1625 XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY ${LLVM_CODESIGNING_IDENTITY} 1626 ) 1627 if(DEFINED ARG_ENTITLEMENTS) 1628 set_target_properties(${name} PROPERTIES 1629 XCODE_ATTRIBUTE_CODE_SIGN_ENTITLEMENTS ${ARG_ENTITLEMENTS} 1630 ) 1631 endif() 1632 elseif(APPLE) 1633 if(NOT CMAKE_CODESIGN) 1634 set(CMAKE_CODESIGN xcrun codesign) 1635 endif() 1636 if(NOT CMAKE_CODESIGN_ALLOCATE) 1637 execute_process( 1638 COMMAND xcrun -f codesign_allocate 1639 OUTPUT_STRIP_TRAILING_WHITESPACE 1640 OUTPUT_VARIABLE CMAKE_CODESIGN_ALLOCATE 1641 ) 1642 endif() 1643 if(DEFINED ARG_ENTITLEMENTS) 1644 set(pass_entitlements --entitlements ${ARG_ENTITLEMENTS}) 1645 endif() 1646 1647 add_custom_command( 1648 TARGET ${name} POST_BUILD 1649 COMMAND ${CMAKE_COMMAND} -E 1650 env CODESIGN_ALLOCATE=${CMAKE_CODESIGN_ALLOCATE} 1651 ${CMAKE_CODESIGN} -s ${LLVM_CODESIGNING_IDENTITY} 1652 ${pass_entitlements} $<TARGET_FILE:${name}> 1653 ) 1654 endif() 1655endfunction() 1656 1657function(llvm_setup_rpath name) 1658 if(CMAKE_INSTALL_RPATH) 1659 return() 1660 endif() 1661 1662 if(LLVM_INSTALL_PREFIX AND NOT (LLVM_INSTALL_PREFIX STREQUAL CMAKE_INSTALL_PREFIX)) 1663 set(extra_libdir ${LLVM_LIBRARY_DIR}) 1664 elseif(LLVM_BUILD_LIBRARY_DIR) 1665 set(extra_libdir ${LLVM_LIBRARY_DIR}) 1666 endif() 1667 1668 if (APPLE) 1669 set(_install_name_dir INSTALL_NAME_DIR "@rpath") 1670 set(_install_rpath "@loader_path/../lib" ${extra_libdir}) 1671 elseif(UNIX) 1672 set(_install_rpath "\$ORIGIN/../lib${LLVM_LIBDIR_SUFFIX}" ${extra_libdir}) 1673 if(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)") 1674 set_property(TARGET ${name} APPEND_STRING PROPERTY 1675 LINK_FLAGS " -Wl,-z,origin ") 1676 endif() 1677 if(LLVM_LINKER_IS_GNULD) 1678 # $ORIGIN is not interpreted at link time by ld.bfd 1679 set_property(TARGET ${name} APPEND_STRING PROPERTY 1680 LINK_FLAGS " -Wl,-rpath-link,${LLVM_LIBRARY_OUTPUT_INTDIR} ") 1681 endif() 1682 else() 1683 return() 1684 endif() 1685 1686 set_target_properties(${name} PROPERTIES 1687 BUILD_WITH_INSTALL_RPATH On 1688 INSTALL_RPATH "${_install_rpath}" 1689 ${_install_name_dir}) 1690endfunction() 1691 1692function(setup_dependency_debugging name) 1693 if(NOT LLVM_DEPENDENCY_DEBUGGING) 1694 return() 1695 endif() 1696 1697 if("intrinsics_gen" IN_LIST ARGN) 1698 return() 1699 endif() 1700 1701 set(deny_attributes_inc "(deny file* (literal \"${LLVM_BINARY_DIR}/include/llvm/IR/Attributes.inc\"))") 1702 set(deny_intrinsics_inc "(deny file* (literal \"${LLVM_BINARY_DIR}/include/llvm/IR/Intrinsics.inc\"))") 1703 1704 set(sandbox_command "sandbox-exec -p '(version 1) (allow default) ${deny_attributes_inc} ${deny_intrinsics_inc}'") 1705 set_target_properties(${name} PROPERTIES RULE_LAUNCH_COMPILE ${sandbox_command}) 1706endfunction() 1707 1708# Figure out if we can track VC revisions. 1709function(find_first_existing_file out_var) 1710 foreach(file ${ARGN}) 1711 if(EXISTS "${file}") 1712 set(${out_var} "${file}" PARENT_SCOPE) 1713 return() 1714 endif() 1715 endforeach() 1716endfunction() 1717 1718macro(find_first_existing_vc_file out_var path) 1719 find_program(git_executable NAMES git git.exe git.cmd) 1720 # Run from a subdirectory to force git to print an absolute path. 1721 execute_process(COMMAND ${git_executable} rev-parse --git-dir 1722 WORKING_DIRECTORY ${path}/cmake 1723 RESULT_VARIABLE git_result 1724 OUTPUT_VARIABLE git_dir 1725 ERROR_QUIET) 1726 if(git_result EQUAL 0) 1727 string(STRIP "${git_dir}" git_dir) 1728 set(${out_var} "${git_dir}/logs/HEAD") 1729 # some branchless cases (e.g. 'repo') may not yet have .git/logs/HEAD 1730 if (NOT EXISTS "${git_dir}/logs/HEAD") 1731 file(WRITE "${git_dir}/logs/HEAD" "") 1732 endif() 1733 else() 1734 find_first_existing_file(${out_var} 1735 "${path}/.svn/wc.db" # SVN 1.7 1736 "${path}/.svn/entries" # SVN 1.6 1737 ) 1738 endif() 1739endmacro() 1740