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# PLUGIN_TOOL 376# The tool (i.e. cmake target) that this plugin will link against 377# ) 378function(llvm_add_library name) 379 cmake_parse_arguments(ARG 380 "MODULE;SHARED;STATIC;OBJECT;DISABLE_LLVM_LINK_LLVM_DYLIB;SONAME" 381 "OUTPUT_NAME;PLUGIN_TOOL" 382 "ADDITIONAL_HEADERS;DEPENDS;LINK_COMPONENTS;LINK_LIBS;OBJLIBS" 383 ${ARGN}) 384 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS}) 385 if(ARG_ADDITIONAL_HEADERS) 386 # Pass through ADDITIONAL_HEADERS. 387 set(ARG_ADDITIONAL_HEADERS ADDITIONAL_HEADERS ${ARG_ADDITIONAL_HEADERS}) 388 endif() 389 if(ARG_OBJLIBS) 390 set(ALL_FILES ${ARG_OBJLIBS}) 391 else() 392 llvm_process_sources(ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ${ARG_ADDITIONAL_HEADERS}) 393 endif() 394 395 if(ARG_MODULE) 396 if(ARG_SHARED OR ARG_STATIC) 397 message(WARNING "MODULE with SHARED|STATIC doesn't make sense.") 398 endif() 399 # Plugins that link against a tool are allowed even when plugins in general are not 400 if(NOT LLVM_ENABLE_PLUGINS AND NOT (ARG_PLUGIN_TOOL AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS)) 401 message(STATUS "${name} ignored -- Loadable modules not supported on this platform.") 402 return() 403 endif() 404 else() 405 if(ARG_PLUGIN_TOOL) 406 message(WARNING "PLUGIN_TOOL without MODULE doesn't make sense.") 407 endif() 408 if(BUILD_SHARED_LIBS AND NOT ARG_STATIC) 409 set(ARG_SHARED TRUE) 410 endif() 411 if(NOT ARG_SHARED) 412 set(ARG_STATIC TRUE) 413 endif() 414 endif() 415 416 # Generate objlib 417 if((ARG_SHARED AND ARG_STATIC) OR ARG_OBJECT) 418 # Generate an obj library for both targets. 419 set(obj_name "obj.${name}") 420 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL 421 ${ALL_FILES} 422 ) 423 llvm_update_compile_flags(${obj_name}) 424 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>") 425 426 # Do add_dependencies(obj) later due to CMake issue 14747. 427 list(APPEND objlibs ${obj_name}) 428 429 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") 430 endif() 431 432 if(ARG_SHARED AND ARG_STATIC) 433 # static 434 set(name_static "${name}_static") 435 if(ARG_OUTPUT_NAME) 436 set(output_name OUTPUT_NAME "${ARG_OUTPUT_NAME}") 437 endif() 438 # DEPENDS has been appended to LLVM_COMMON_LIBS. 439 llvm_add_library(${name_static} STATIC 440 ${output_name} 441 OBJLIBS ${ALL_FILES} # objlib 442 LINK_LIBS ${ARG_LINK_LIBS} 443 LINK_COMPONENTS ${ARG_LINK_COMPONENTS} 444 ) 445 # FIXME: Add name_static to anywhere in TARGET ${name}'s PROPERTY. 446 set(ARG_STATIC) 447 endif() 448 449 if(ARG_MODULE) 450 add_library(${name} MODULE ${ALL_FILES}) 451 llvm_setup_rpath(${name}) 452 elseif(ARG_SHARED) 453 add_windows_version_resource_file(ALL_FILES ${ALL_FILES}) 454 add_library(${name} SHARED ${ALL_FILES}) 455 456 llvm_setup_rpath(${name}) 457 458 else() 459 add_library(${name} STATIC ${ALL_FILES}) 460 endif() 461 462 setup_dependency_debugging(${name} ${LLVM_COMMON_DEPENDS}) 463 464 if(DEFINED windows_resource_file) 465 set_windows_version_resource_properties(${name} ${windows_resource_file}) 466 set(windows_resource_file ${windows_resource_file} PARENT_SCOPE) 467 endif() 468 469 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) 470 # $<TARGET_OBJECTS> doesn't require compile flags. 471 if(NOT obj_name) 472 llvm_update_compile_flags(${name}) 473 endif() 474 add_link_opts( ${name} ) 475 if(ARG_OUTPUT_NAME) 476 set_target_properties(${name} 477 PROPERTIES 478 OUTPUT_NAME ${ARG_OUTPUT_NAME} 479 ) 480 endif() 481 482 if(ARG_MODULE) 483 set_target_properties(${name} PROPERTIES 484 PREFIX "" 485 SUFFIX ${LLVM_PLUGIN_EXT} 486 ) 487 endif() 488 489 if(ARG_SHARED) 490 if(WIN32) 491 set_target_properties(${name} PROPERTIES 492 PREFIX "" 493 ) 494 endif() 495 496 # Set SOVERSION on shared libraries that lack explicit SONAME 497 # specifier, on *nix systems that are not Darwin. 498 if(UNIX AND NOT APPLE AND NOT ARG_SONAME) 499 set_target_properties(${name} 500 PROPERTIES 501 # Since 4.0.0, the ABI version is indicated by the major version 502 SOVERSION ${LLVM_VERSION_MAJOR} 503 VERSION ${LLVM_VERSION_MAJOR}${LLVM_VERSION_SUFFIX}) 504 endif() 505 endif() 506 507 if(ARG_MODULE OR ARG_SHARED) 508 # Do not add -Dname_EXPORTS to the command-line when building files in this 509 # target. Doing so is actively harmful for the modules build because it 510 # creates extra module variants, and not useful because we don't use these 511 # macros. 512 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) 513 514 if (LLVM_EXPORTED_SYMBOL_FILE) 515 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 516 endif() 517 endif() 518 519 if(ARG_SHARED AND UNIX) 520 if(NOT APPLE AND ARG_SONAME) 521 get_target_property(output_name ${name} OUTPUT_NAME) 522 if(${output_name} STREQUAL "output_name-NOTFOUND") 523 set(output_name ${name}) 524 endif() 525 set(library_name ${output_name}-${LLVM_VERSION_MAJOR}${LLVM_VERSION_SUFFIX}) 526 set(api_name ${output_name}-${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX}) 527 set_target_properties(${name} PROPERTIES OUTPUT_NAME ${library_name}) 528 llvm_install_library_symlink(${api_name} ${library_name} SHARED 529 COMPONENT ${name} 530 ALWAYS_GENERATE) 531 llvm_install_library_symlink(${output_name} ${library_name} SHARED 532 COMPONENT ${name} 533 ALWAYS_GENERATE) 534 endif() 535 endif() 536 537 if(ARG_MODULE AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS AND ARG_PLUGIN_TOOL AND (WIN32 OR CYGWIN)) 538 # On DLL platforms symbols are imported from the tool by linking against it. 539 set(llvm_libs ${ARG_PLUGIN_TOOL}) 540 elseif (DEFINED LLVM_LINK_COMPONENTS OR DEFINED ARG_LINK_COMPONENTS) 541 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB) 542 set(llvm_libs LLVM) 543 else() 544 llvm_map_components_to_libnames(llvm_libs 545 ${ARG_LINK_COMPONENTS} 546 ${LLVM_LINK_COMPONENTS} 547 ) 548 endif() 549 else() 550 # Components have not been defined explicitly in CMake, so add the 551 # dependency information for this library as defined by LLVMBuild. 552 # 553 # It would be nice to verify that we have the dependencies for this library 554 # name, but using get_property(... SET) doesn't suffice to determine if a 555 # property has been set to an empty value. 556 get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${name}) 557 endif() 558 559 if(ARG_STATIC) 560 set(libtype INTERFACE) 561 else() 562 # We can use PRIVATE since SO knows its dependent libs. 563 set(libtype PRIVATE) 564 endif() 565 566 target_link_libraries(${name} ${libtype} 567 ${ARG_LINK_LIBS} 568 ${lib_deps} 569 ${llvm_libs} 570 ) 571 572 if(LLVM_COMMON_DEPENDS) 573 add_dependencies(${name} ${LLVM_COMMON_DEPENDS}) 574 # Add dependencies also to objlibs. 575 # CMake issue 14747 -- add_dependencies() might be ignored to objlib's user. 576 foreach(objlib ${objlibs}) 577 add_dependencies(${objlib} ${LLVM_COMMON_DEPENDS}) 578 endforeach() 579 endif() 580 581 if(ARG_SHARED OR ARG_MODULE) 582 llvm_externalize_debuginfo(${name}) 583 llvm_codesign(${name}) 584 endif() 585endfunction() 586 587function(add_llvm_install_targets target) 588 cmake_parse_arguments(ARG "" "COMPONENT;PREFIX" "DEPENDS" ${ARGN}) 589 if(ARG_COMPONENT) 590 set(component_option -DCMAKE_INSTALL_COMPONENT="${ARG_COMPONENT}") 591 endif() 592 if(ARG_PREFIX) 593 set(prefix_option -DCMAKE_INSTALL_PREFIX="${ARG_PREFIX}") 594 endif() 595 596 add_custom_target(${target} 597 DEPENDS ${ARG_DEPENDS} 598 COMMAND "${CMAKE_COMMAND}" 599 ${component_option} 600 ${prefix_option} 601 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake" 602 USES_TERMINAL) 603 add_custom_target(${target}-stripped 604 DEPENDS ${ARG_DEPENDS} 605 COMMAND "${CMAKE_COMMAND}" 606 ${component_option} 607 ${prefix_option} 608 -DCMAKE_INSTALL_DO_STRIP=1 609 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake" 610 USES_TERMINAL) 611endfunction() 612 613macro(add_llvm_library name) 614 cmake_parse_arguments(ARG 615 "SHARED;BUILDTREE_ONLY" 616 "" 617 "" 618 ${ARGN}) 619 if( BUILD_SHARED_LIBS OR ARG_SHARED ) 620 llvm_add_library(${name} SHARED ${ARG_UNPARSED_ARGUMENTS}) 621 else() 622 llvm_add_library(${name} ${ARG_UNPARSED_ARGUMENTS}) 623 endif() 624 625 # Libraries that are meant to only be exposed via the build tree only are 626 # never installed and are only exported as a target in the special build tree 627 # config file. 628 if (NOT ARG_BUILDTREE_ONLY) 629 set_property( GLOBAL APPEND PROPERTY LLVM_LIBS ${name} ) 630 endif() 631 632 if( EXCLUDE_FROM_ALL ) 633 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON) 634 elseif(ARG_BUILDTREE_ONLY) 635 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS_BUILDTREE_ONLY ${name}) 636 else() 637 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "LTO" OR 638 (LLVM_LINK_LLVM_DYLIB AND ${name} STREQUAL "LLVM")) 639 set(install_dir lib${LLVM_LIBDIR_SUFFIX}) 640 if(ARG_SHARED OR BUILD_SHARED_LIBS) 641 if(WIN32 OR CYGWIN OR MINGW) 642 set(install_type RUNTIME) 643 set(install_dir bin) 644 else() 645 set(install_type LIBRARY) 646 endif() 647 else() 648 set(install_type ARCHIVE) 649 endif() 650 651 if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR 652 NOT LLVM_DISTRIBUTION_COMPONENTS) 653 set(export_to_llvmexports EXPORT LLVMExports) 654 set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True) 655 endif() 656 657 install(TARGETS ${name} 658 ${export_to_llvmexports} 659 ${install_type} DESTINATION ${install_dir} 660 COMPONENT ${name}) 661 662 if (NOT CMAKE_CONFIGURATION_TYPES) 663 add_llvm_install_targets(install-${name} 664 DEPENDS ${name} 665 COMPONENT ${name}) 666 endif() 667 endif() 668 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 669 endif() 670 set_target_properties(${name} PROPERTIES FOLDER "Libraries") 671endmacro(add_llvm_library name) 672 673macro(add_llvm_loadable_module name) 674 llvm_add_library(${name} MODULE ${ARGN}) 675 if(NOT TARGET ${name}) 676 # Add empty "phony" target 677 add_custom_target(${name}) 678 else() 679 if( EXCLUDE_FROM_ALL ) 680 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON) 681 else() 682 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 683 if(WIN32 OR CYGWIN) 684 # DLL platform 685 set(dlldir "bin") 686 else() 687 set(dlldir "lib${LLVM_LIBDIR_SUFFIX}") 688 endif() 689 690 if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR 691 NOT LLVM_DISTRIBUTION_COMPONENTS) 692 set(export_to_llvmexports EXPORT LLVMExports) 693 set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True) 694 endif() 695 696 install(TARGETS ${name} 697 ${export_to_llvmexports} 698 LIBRARY DESTINATION ${dlldir} 699 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}) 700 endif() 701 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 702 endif() 703 endif() 704 705 set_target_properties(${name} PROPERTIES FOLDER "Loadable modules") 706endmacro(add_llvm_loadable_module name) 707 708 709macro(add_llvm_executable name) 710 cmake_parse_arguments(ARG "DISABLE_LLVM_LINK_LLVM_DYLIB;IGNORE_EXTERNALIZE_DEBUGINFO;NO_INSTALL_RPATH" "" "DEPENDS" ${ARGN}) 711 llvm_process_sources( ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ) 712 713 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS}) 714 715 # Generate objlib 716 if(LLVM_ENABLE_OBJLIB) 717 # Generate an obj library for both targets. 718 set(obj_name "obj.${name}") 719 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL 720 ${ALL_FILES} 721 ) 722 llvm_update_compile_flags(${obj_name}) 723 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>") 724 725 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") 726 endif() 727 728 add_windows_version_resource_file(ALL_FILES ${ALL_FILES}) 729 730 if(XCODE) 731 # Note: the dummy.cpp source file provides no definitions. However, 732 # it forces Xcode to properly link the static library. 733 list(APPEND ALL_FILES "${LLVM_MAIN_SRC_DIR}/cmake/dummy.cpp") 734 endif() 735 736 if( EXCLUDE_FROM_ALL ) 737 add_executable(${name} EXCLUDE_FROM_ALL ${ALL_FILES}) 738 else() 739 add_executable(${name} ${ALL_FILES}) 740 endif() 741 742 setup_dependency_debugging(${name} ${LLVM_COMMON_DEPENDS}) 743 744 if(NOT ARG_NO_INSTALL_RPATH) 745 llvm_setup_rpath(${name}) 746 endif() 747 748 if(DEFINED windows_resource_file) 749 set_windows_version_resource_properties(${name} ${windows_resource_file}) 750 endif() 751 752 # $<TARGET_OBJECTS> doesn't require compile flags. 753 if(NOT LLVM_ENABLE_OBJLIB) 754 llvm_update_compile_flags(${name}) 755 endif() 756 add_link_opts( ${name} ) 757 758 # Do not add -Dname_EXPORTS to the command-line when building files in this 759 # target. Doing so is actively harmful for the modules build because it 760 # creates extra module variants, and not useful because we don't use these 761 # macros. 762 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) 763 764 if (LLVM_EXPORTED_SYMBOL_FILE) 765 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 766 endif(LLVM_EXPORTED_SYMBOL_FILE) 767 768 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB) 769 set(USE_SHARED USE_SHARED) 770 endif() 771 772 set(EXCLUDE_FROM_ALL OFF) 773 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) 774 llvm_config( ${name} ${USE_SHARED} ${LLVM_LINK_COMPONENTS} ) 775 if( LLVM_COMMON_DEPENDS ) 776 add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} ) 777 endif( LLVM_COMMON_DEPENDS ) 778 779 if(NOT ARG_IGNORE_EXTERNALIZE_DEBUGINFO) 780 llvm_externalize_debuginfo(${name}) 781 endif() 782 if (LLVM_PTHREAD_LIB) 783 # libpthreads overrides some standard library symbols, so main 784 # executable must be linked with it in order to provide consistent 785 # API for all shared libaries loaded by this executable. 786 target_link_libraries(${name} PRIVATE ${LLVM_PTHREAD_LIB}) 787 endif() 788 789 llvm_codesign(${name}) 790endmacro(add_llvm_executable name) 791 792function(export_executable_symbols target) 793 if (LLVM_EXPORTED_SYMBOL_FILE) 794 # The symbol file should contain the symbols we want the executable to 795 # export 796 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 797 elseif (LLVM_EXPORT_SYMBOLS_FOR_PLUGINS) 798 # Extract the symbols to export from the static libraries that the 799 # executable links against. 800 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 801 set(exported_symbol_file ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${target}.symbols) 802 # We need to consider not just the direct link dependencies, but also the 803 # transitive link dependencies. Do this by starting with the set of direct 804 # dependencies, then the dependencies of those dependencies, and so on. 805 get_target_property(new_libs ${target} LINK_LIBRARIES) 806 set(link_libs ${new_libs}) 807 while(NOT "${new_libs}" STREQUAL "") 808 foreach(lib ${new_libs}) 809 if(TARGET ${lib}) 810 get_target_property(lib_type ${lib} TYPE) 811 if("${lib_type}" STREQUAL "STATIC_LIBRARY") 812 list(APPEND static_libs ${lib}) 813 else() 814 list(APPEND other_libs ${lib}) 815 endif() 816 get_target_property(transitive_libs ${lib} INTERFACE_LINK_LIBRARIES) 817 foreach(transitive_lib ${transitive_libs}) 818 list(FIND link_libs ${transitive_lib} idx) 819 if(TARGET ${transitive_lib} AND idx EQUAL -1) 820 list(APPEND newer_libs ${transitive_lib}) 821 list(APPEND link_libs ${transitive_lib}) 822 endif() 823 endforeach(transitive_lib) 824 endif() 825 endforeach(lib) 826 set(new_libs ${newer_libs}) 827 set(newer_libs "") 828 endwhile() 829 if (MSVC) 830 set(mangling microsoft) 831 else() 832 set(mangling itanium) 833 endif() 834 add_custom_command(OUTPUT ${exported_symbol_file} 835 COMMAND ${PYTHON_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/extract_symbols.py --mangling=${mangling} ${static_libs} -o ${exported_symbol_file} 836 WORKING_DIRECTORY ${LLVM_LIBRARY_OUTPUT_INTDIR} 837 DEPENDS ${LLVM_MAIN_SRC_DIR}/utils/extract_symbols.py ${static_libs} 838 VERBATIM 839 COMMENT "Generating export list for ${target}") 840 add_llvm_symbol_exports( ${target} ${exported_symbol_file} ) 841 # If something links against this executable then we want a 842 # transitive link against only the libraries whose symbols 843 # we aren't exporting. 844 set_target_properties(${target} PROPERTIES INTERFACE_LINK_LIBRARIES "${other_libs}") 845 # The default import library suffix that cmake uses for cygwin/mingw is 846 # ".dll.a", but for clang.exe that causes a collision with libclang.dll, 847 # where the import libraries of both get named libclang.dll.a. Use a suffix 848 # of ".exe.a" to avoid this. 849 if(CYGWIN OR MINGW) 850 set_target_properties(${target} PROPERTIES IMPORT_SUFFIX ".exe.a") 851 endif() 852 elseif(NOT (WIN32 OR CYGWIN)) 853 # On Windows auto-exporting everything doesn't work because of the limit on 854 # the size of the exported symbol table, but on other platforms we can do 855 # it without any trouble. 856 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 857 if (APPLE) 858 set_property(TARGET ${target} APPEND_STRING PROPERTY 859 LINK_FLAGS " -rdynamic") 860 endif() 861 endif() 862endfunction() 863 864if(NOT LLVM_TOOLCHAIN_TOOLS) 865 set (LLVM_TOOLCHAIN_TOOLS 866 llvm-ar 867 llvm-ranlib 868 llvm-lib 869 llvm-objdump 870 ) 871endif() 872 873macro(add_llvm_tool name) 874 if( NOT LLVM_BUILD_TOOLS ) 875 set(EXCLUDE_FROM_ALL ON) 876 endif() 877 add_llvm_executable(${name} ${ARGN}) 878 879 if ( ${name} IN_LIST LLVM_TOOLCHAIN_TOOLS OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 880 if( LLVM_BUILD_TOOLS ) 881 if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR 882 NOT LLVM_DISTRIBUTION_COMPONENTS) 883 set(export_to_llvmexports EXPORT LLVMExports) 884 set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True) 885 endif() 886 887 install(TARGETS ${name} 888 ${export_to_llvmexports} 889 RUNTIME DESTINATION ${LLVM_TOOLS_INSTALL_DIR} 890 COMPONENT ${name}) 891 892 if (NOT CMAKE_CONFIGURATION_TYPES) 893 add_llvm_install_targets(install-${name} 894 DEPENDS ${name} 895 COMPONENT ${name}) 896 endif() 897 endif() 898 endif() 899 if( LLVM_BUILD_TOOLS ) 900 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 901 endif() 902 set_target_properties(${name} PROPERTIES FOLDER "Tools") 903endmacro(add_llvm_tool name) 904 905 906macro(add_llvm_example name) 907 if( NOT LLVM_BUILD_EXAMPLES ) 908 set(EXCLUDE_FROM_ALL ON) 909 endif() 910 add_llvm_executable(${name} ${ARGN}) 911 if( LLVM_BUILD_EXAMPLES ) 912 install(TARGETS ${name} RUNTIME DESTINATION examples) 913 endif() 914 set_target_properties(${name} PROPERTIES FOLDER "Examples") 915endmacro(add_llvm_example name) 916 917# This is a macro that is used to create targets for executables that are needed 918# for development, but that are not intended to be installed by default. 919macro(add_llvm_utility name) 920 if ( NOT LLVM_BUILD_UTILS ) 921 set(EXCLUDE_FROM_ALL ON) 922 endif() 923 924 add_llvm_executable(${name} DISABLE_LLVM_LINK_LLVM_DYLIB ${ARGN}) 925 set_target_properties(${name} PROPERTIES FOLDER "Utils") 926 if( LLVM_INSTALL_UTILS AND LLVM_BUILD_UTILS ) 927 install (TARGETS ${name} 928 RUNTIME DESTINATION ${LLVM_UTILS_INSTALL_DIR} 929 COMPONENT ${name}) 930 if (NOT CMAKE_CONFIGURATION_TYPES) 931 add_llvm_install_targets(install-${name} 932 DEPENDS ${name} 933 COMPONENT ${name}) 934 endif() 935 endif() 936endmacro(add_llvm_utility name) 937 938macro(add_llvm_fuzzer name) 939 cmake_parse_arguments(ARG "" "DUMMY_MAIN" "" ${ARGN}) 940 if( LLVM_LIB_FUZZING_ENGINE ) 941 set(LLVM_OPTIONAL_SOURCES ${ARG_DUMMY_MAIN}) 942 add_llvm_executable(${name} ${ARG_UNPARSED_ARGUMENTS}) 943 target_link_libraries(${name} PRIVATE ${LLVM_LIB_FUZZING_ENGINE}) 944 set_target_properties(${name} PROPERTIES FOLDER "Fuzzers") 945 elseif( LLVM_USE_SANITIZE_COVERAGE ) 946 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=fuzzer") 947 set(LLVM_OPTIONAL_SOURCES ${ARG_DUMMY_MAIN}) 948 add_llvm_executable(${name} ${ARG_UNPARSED_ARGUMENTS}) 949 set_target_properties(${name} PROPERTIES FOLDER "Fuzzers") 950 elseif( ARG_DUMMY_MAIN ) 951 add_llvm_executable(${name} ${ARG_DUMMY_MAIN} ${ARG_UNPARSED_ARGUMENTS}) 952 set_target_properties(${name} PROPERTIES FOLDER "Fuzzers") 953 endif() 954endmacro() 955 956macro(add_llvm_target target_name) 957 include_directories(BEFORE 958 ${CMAKE_CURRENT_BINARY_DIR} 959 ${CMAKE_CURRENT_SOURCE_DIR}) 960 add_llvm_library(LLVM${target_name} ${ARGN}) 961 set( CURRENT_LLVM_TARGET LLVM${target_name} ) 962endmacro(add_llvm_target) 963 964function(canonicalize_tool_name name output) 965 string(REPLACE "${CMAKE_CURRENT_SOURCE_DIR}/" "" nameStrip ${name}) 966 string(REPLACE "-" "_" nameUNDERSCORE ${nameStrip}) 967 string(TOUPPER ${nameUNDERSCORE} nameUPPER) 968 set(${output} "${nameUPPER}" PARENT_SCOPE) 969endfunction(canonicalize_tool_name) 970 971# Custom add_subdirectory wrapper 972# Takes in a project name (i.e. LLVM), the subdirectory name, and an optional 973# path if it differs from the name. 974macro(add_llvm_subdirectory project type name) 975 set(add_llvm_external_dir "${ARGN}") 976 if("${add_llvm_external_dir}" STREQUAL "") 977 set(add_llvm_external_dir ${name}) 978 endif() 979 canonicalize_tool_name(${name} nameUPPER) 980 if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}/CMakeLists.txt) 981 # Treat it as in-tree subproject. 982 option(${project}_${type}_${nameUPPER}_BUILD 983 "Whether to build ${name} as part of ${project}" On) 984 mark_as_advanced(${project}_${type}_${name}_BUILD) 985 if(${project}_${type}_${nameUPPER}_BUILD) 986 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir} ${add_llvm_external_dir}) 987 # Don't process it in add_llvm_implicit_projects(). 988 set(${project}_${type}_${nameUPPER}_BUILD OFF) 989 endif() 990 else() 991 set(LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR 992 "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" 993 CACHE PATH "Path to ${name} source directory") 994 set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT ON) 995 if(NOT LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR OR NOT EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}) 996 set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT OFF) 997 endif() 998 if("${LLVM_EXTERNAL_${nameUPPER}_BUILD}" STREQUAL "OFF") 999 set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT OFF) 1000 endif() 1001 option(${project}_${type}_${nameUPPER}_BUILD 1002 "Whether to build ${name} as part of LLVM" 1003 ${${project}_${type}_${nameUPPER}_BUILD_DEFAULT}) 1004 if (${project}_${type}_${nameUPPER}_BUILD) 1005 if(EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}) 1006 add_subdirectory(${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} ${add_llvm_external_dir}) 1007 elseif(NOT "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" STREQUAL "") 1008 message(WARNING "Nonexistent directory for ${name}: ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}") 1009 endif() 1010 # FIXME: It'd be redundant. 1011 set(${project}_${type}_${nameUPPER}_BUILD Off) 1012 endif() 1013 endif() 1014endmacro() 1015 1016# Add external project that may want to be built as part of llvm such as Clang, 1017# lld, and Polly. This adds two options. One for the source directory of the 1018# project, which defaults to ${CMAKE_CURRENT_SOURCE_DIR}/${name}. Another to 1019# enable or disable building it with everything else. 1020# Additional parameter can be specified as the name of directory. 1021macro(add_llvm_external_project name) 1022 add_llvm_subdirectory(LLVM TOOL ${name} ${ARGN}) 1023endmacro() 1024 1025macro(add_llvm_tool_subdirectory name) 1026 add_llvm_external_project(${name}) 1027endmacro(add_llvm_tool_subdirectory) 1028 1029function(get_project_name_from_src_var var output) 1030 string(REGEX MATCH "LLVM_EXTERNAL_(.*)_SOURCE_DIR" 1031 MACHED_TOOL "${var}") 1032 if(MACHED_TOOL) 1033 set(${output} ${CMAKE_MATCH_1} PARENT_SCOPE) 1034 else() 1035 set(${output} PARENT_SCOPE) 1036 endif() 1037endfunction() 1038 1039function(create_subdirectory_options project type) 1040 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") 1041 foreach(dir ${sub-dirs}) 1042 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt") 1043 canonicalize_tool_name(${dir} name) 1044 option(${project}_${type}_${name}_BUILD 1045 "Whether to build ${name} as part of ${project}" On) 1046 mark_as_advanced(${project}_${type}_${name}_BUILD) 1047 endif() 1048 endforeach() 1049endfunction(create_subdirectory_options) 1050 1051function(create_llvm_tool_options) 1052 create_subdirectory_options(LLVM TOOL) 1053endfunction(create_llvm_tool_options) 1054 1055function(llvm_add_implicit_projects project) 1056 set(list_of_implicit_subdirs "") 1057 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") 1058 foreach(dir ${sub-dirs}) 1059 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt") 1060 canonicalize_tool_name(${dir} name) 1061 if (${project}_TOOL_${name}_BUILD) 1062 get_filename_component(fn "${dir}" NAME) 1063 list(APPEND list_of_implicit_subdirs "${fn}") 1064 endif() 1065 endif() 1066 endforeach() 1067 1068 foreach(external_proj ${list_of_implicit_subdirs}) 1069 add_llvm_subdirectory(${project} TOOL "${external_proj}" ${ARGN}) 1070 endforeach() 1071endfunction(llvm_add_implicit_projects) 1072 1073function(add_llvm_implicit_projects) 1074 llvm_add_implicit_projects(LLVM) 1075endfunction(add_llvm_implicit_projects) 1076 1077# Generic support for adding a unittest. 1078function(add_unittest test_suite test_name) 1079 if( NOT LLVM_BUILD_TESTS ) 1080 set(EXCLUDE_FROM_ALL ON) 1081 endif() 1082 1083 # Our current version of gtest does not properly recognize C++11 support 1084 # with MSVC, so it falls back to tr1 / experimental classes. Since LLVM 1085 # itself requires C++11, we can safely force it on unconditionally so that 1086 # we don't have to fight with the buggy gtest check. 1087 add_definitions(-DGTEST_LANG_CXX11=1) 1088 add_definitions(-DGTEST_HAS_TR1_TUPLE=0) 1089 1090 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include) 1091 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googlemock/include) 1092 if (NOT LLVM_ENABLE_THREADS) 1093 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_PTHREAD=0) 1094 endif () 1095 1096 if (SUPPORTS_VARIADIC_MACROS_FLAG) 1097 list(APPEND LLVM_COMPILE_FLAGS "-Wno-variadic-macros") 1098 endif () 1099 # Some parts of gtest rely on this GNU extension, don't warn on it. 1100 if(SUPPORTS_GNU_ZERO_VARIADIC_MACRO_ARGUMENTS_FLAG) 1101 list(APPEND LLVM_COMPILE_FLAGS "-Wno-gnu-zero-variadic-macro-arguments") 1102 endif() 1103 1104 set(LLVM_REQUIRES_RTTI OFF) 1105 1106 list(APPEND LLVM_LINK_COMPONENTS Support) # gtest needs it for raw_ostream 1107 add_llvm_executable(${test_name} IGNORE_EXTERNALIZE_DEBUGINFO NO_INSTALL_RPATH ${ARGN}) 1108 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}) 1109 set_output_directory(${test_name} BINARY_DIR ${outdir} LIBRARY_DIR ${outdir}) 1110 # libpthreads overrides some standard library symbols, so main 1111 # executable must be linked with it in order to provide consistent 1112 # API for all shared libaries loaded by this executable. 1113 target_link_libraries(${test_name} PRIVATE gtest_main gtest ${LLVM_PTHREAD_LIB}) 1114 1115 add_dependencies(${test_suite} ${test_name}) 1116 get_target_property(test_suite_folder ${test_suite} FOLDER) 1117 if (NOT ${test_suite_folder} STREQUAL "NOTFOUND") 1118 set_property(TARGET ${test_name} PROPERTY FOLDER "${test_suite_folder}") 1119 endif () 1120endfunction() 1121 1122function(llvm_add_go_executable binary pkgpath) 1123 cmake_parse_arguments(ARG "ALL" "" "DEPENDS;GOFLAGS" ${ARGN}) 1124 1125 if(LLVM_BINDINGS MATCHES "go") 1126 # FIXME: This should depend only on the libraries Go needs. 1127 get_property(llvmlibs GLOBAL PROPERTY LLVM_LIBS) 1128 set(binpath ${CMAKE_BINARY_DIR}/bin/${binary}${CMAKE_EXECUTABLE_SUFFIX}) 1129 set(cc "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}") 1130 set(cxx "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}") 1131 set(cppflags "") 1132 get_property(include_dirs DIRECTORY PROPERTY INCLUDE_DIRECTORIES) 1133 foreach(d ${include_dirs}) 1134 set(cppflags "${cppflags} -I${d}") 1135 endforeach(d) 1136 set(ldflags "${CMAKE_EXE_LINKER_FLAGS}") 1137 add_custom_command(OUTPUT ${binpath} 1138 COMMAND ${CMAKE_BINARY_DIR}/bin/llvm-go "go=${GO_EXECUTABLE}" "cc=${cc}" "cxx=${cxx}" "cppflags=${cppflags}" "ldflags=${ldflags}" "packages=${LLVM_GO_PACKAGES}" 1139 ${ARG_GOFLAGS} build -o ${binpath} ${pkgpath} 1140 DEPENDS llvm-config ${CMAKE_BINARY_DIR}/bin/llvm-go${CMAKE_EXECUTABLE_SUFFIX} 1141 ${llvmlibs} ${ARG_DEPENDS} 1142 COMMENT "Building Go executable ${binary}" 1143 VERBATIM) 1144 if (ARG_ALL) 1145 add_custom_target(${binary} ALL DEPENDS ${binpath}) 1146 else() 1147 add_custom_target(${binary} DEPENDS ${binpath}) 1148 endif() 1149 endif() 1150endfunction() 1151 1152# This function canonicalize the CMake variables passed by names 1153# from CMake boolean to 0/1 suitable for passing into Python or C++, 1154# in place. 1155function(llvm_canonicalize_cmake_booleans) 1156 foreach(var ${ARGN}) 1157 if(${var}) 1158 set(${var} 1 PARENT_SCOPE) 1159 else() 1160 set(${var} 0 PARENT_SCOPE) 1161 endif() 1162 endforeach() 1163endfunction(llvm_canonicalize_cmake_booleans) 1164 1165macro(set_llvm_build_mode) 1166 # Configuration-time: See Unit/lit.site.cfg.in 1167 if (CMAKE_CFG_INTDIR STREQUAL ".") 1168 set(LLVM_BUILD_MODE ".") 1169 else () 1170 set(LLVM_BUILD_MODE "%(build_mode)s") 1171 endif () 1172endmacro() 1173 1174# This function provides an automatic way to 'configure'-like generate a file 1175# based on a set of common and custom variables, specifically targeting the 1176# variables needed for the 'lit.site.cfg' files. This function bundles the 1177# common variables that any Lit instance is likely to need, and custom 1178# variables can be passed in. 1179function(configure_lit_site_cfg site_in site_out) 1180 cmake_parse_arguments(ARG "" "" "MAIN_CONFIG;OUTPUT_MAPPING" ${ARGN}) 1181 1182 if ("${ARG_MAIN_CONFIG}" STREQUAL "") 1183 get_filename_component(INPUT_DIR ${site_in} DIRECTORY) 1184 set(ARG_MAIN_CONFIG "${INPUT_DIR}/lit.cfg") 1185 endif() 1186 if ("${ARG_OUTPUT_MAPPING}" STREQUAL "") 1187 set(ARG_OUTPUT_MAPPING "${site_out}") 1188 endif() 1189 1190 foreach(c ${LLVM_TARGETS_TO_BUILD}) 1191 set(TARGETS_BUILT "${TARGETS_BUILT} ${c}") 1192 endforeach(c) 1193 set(TARGETS_TO_BUILD ${TARGETS_BUILT}) 1194 1195 set(SHLIBEXT "${LTDL_SHLIB_EXT}") 1196 1197 set_llvm_build_mode() 1198 1199 # They below might not be the build tree but provided binary tree. 1200 set(LLVM_SOURCE_DIR ${LLVM_MAIN_SRC_DIR}) 1201 set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR}) 1202 string(REPLACE "${CMAKE_CFG_INTDIR}" "${LLVM_BUILD_MODE}" LLVM_TOOLS_DIR "${LLVM_TOOLS_BINARY_DIR}") 1203 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_LIBS_DIR "${LLVM_LIBRARY_DIR}") 1204 1205 # SHLIBDIR points the build tree. 1206 string(REPLACE "${CMAKE_CFG_INTDIR}" "${LLVM_BUILD_MODE}" SHLIBDIR "${LLVM_SHLIB_OUTPUT_INTDIR}") 1207 1208 set(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE}) 1209 # FIXME: "ENABLE_SHARED" doesn't make sense, since it is used just for 1210 # plugins. We may rename it. 1211 if(LLVM_ENABLE_PLUGINS) 1212 set(ENABLE_SHARED "1") 1213 else() 1214 set(ENABLE_SHARED "0") 1215 endif() 1216 1217 if(LLVM_ENABLE_ASSERTIONS AND NOT MSVC_IDE) 1218 set(ENABLE_ASSERTIONS "1") 1219 else() 1220 set(ENABLE_ASSERTIONS "0") 1221 endif() 1222 1223 set(HOST_OS ${CMAKE_SYSTEM_NAME}) 1224 set(HOST_ARCH ${CMAKE_SYSTEM_PROCESSOR}) 1225 1226 set(HOST_CC "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}") 1227 set(HOST_CXX "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}") 1228 set(HOST_LDFLAGS "${CMAKE_EXE_LINKER_FLAGS}") 1229 1230 set(LIT_SITE_CFG_IN_HEADER "## Autogenerated from ${site_in}\n## Do not edit!") 1231 1232 # Override config_target_triple (and the env) 1233 if(LLVM_TARGET_TRIPLE_ENV) 1234 # This is expanded into the heading. 1235 string(CONCAT LIT_SITE_CFG_IN_HEADER "${LIT_SITE_CFG_IN_HEADER}\n\n" 1236 "import os\n" 1237 "target_env = \"${LLVM_TARGET_TRIPLE_ENV}\"\n" 1238 "config.target_triple = config.environment[target_env] = os.environ.get(target_env, \"${TARGET_TRIPLE}\")\n" 1239 ) 1240 1241 # This is expanded to; config.target_triple = ""+config.target_triple+"" 1242 set(TARGET_TRIPLE "\"+config.target_triple+\"") 1243 endif() 1244 1245 string(CONCAT LIT_SITE_CFG_IN_FOOTER 1246 "import lit.llvm\n" 1247 "lit.llvm.initialize(lit_config, config)\n") 1248 1249 configure_file(${site_in} ${site_out} @ONLY) 1250 if (EXISTS "${ARG_MAIN_CONFIG}") 1251 set(PYTHON_STATEMENT "map_config('${ARG_MAIN_CONFIG}', '${site_out}')") 1252 get_property(LLVM_LIT_CONFIG_MAP GLOBAL PROPERTY LLVM_LIT_CONFIG_MAP) 1253 set(LLVM_LIT_CONFIG_MAP "${LLVM_LIT_CONFIG_MAP}\n${PYTHON_STATEMENT}") 1254 set_property(GLOBAL PROPERTY LLVM_LIT_CONFIG_MAP ${LLVM_LIT_CONFIG_MAP}) 1255 endif() 1256endfunction() 1257 1258function(dump_all_cmake_variables) 1259 get_cmake_property(_variableNames VARIABLES) 1260 foreach (_variableName ${_variableNames}) 1261 message(STATUS "${_variableName}=${${_variableName}}") 1262 endforeach() 1263endfunction() 1264 1265function(get_llvm_lit_path base_dir file_name) 1266 cmake_parse_arguments(ARG "ALLOW_EXTERNAL" "" "" ${ARGN}) 1267 1268 if (ARG_ALLOW_EXTERNAL) 1269 set(LLVM_DEFAULT_EXTERNAL_LIT "${LLVM_EXTERNAL_LIT}") 1270 set (LLVM_EXTERNAL_LIT "" CACHE STRING "Command used to spawn lit") 1271 if ("${LLVM_EXTERNAL_LIT}" STREQUAL "") 1272 set(LLVM_EXTERNAL_LIT "${LLVM_DEFAULT_EXTERNAL_LIT}") 1273 endif() 1274 1275 if (NOT "${LLVM_EXTERNAL_LIT}" STREQUAL "") 1276 if (EXISTS ${LLVM_EXTERNAL_LIT}) 1277 get_filename_component(LIT_FILE_NAME ${LLVM_EXTERNAL_LIT} NAME) 1278 get_filename_component(LIT_BASE_DIR ${LLVM_EXTERNAL_LIT} DIRECTORY) 1279 set(${file_name} ${LIT_FILE_NAME} PARENT_SCOPE) 1280 set(${base_dir} ${LIT_BASE_DIR} PARENT_SCOPE) 1281 return() 1282 else() 1283 message(WARN "LLVM_EXTERNAL_LIT set to ${LLVM_EXTERNAL_LIT}, but the path does not exist.") 1284 endif() 1285 endif() 1286 endif() 1287 1288 set(lit_file_name "llvm-lit") 1289 if (CMAKE_HOST_WIN32 AND NOT CYGWIN) 1290 # llvm-lit needs suffix.py for multiprocess to find a main module. 1291 set(lit_file_name "${lit_file_name}.py") 1292 endif () 1293 set(${file_name} ${lit_file_name} PARENT_SCOPE) 1294 1295 get_property(LLVM_LIT_BASE_DIR GLOBAL PROPERTY LLVM_LIT_BASE_DIR) 1296 if (NOT "${LLVM_LIT_BASE_DIR}" STREQUAL "") 1297 set(${base_dir} ${LLVM_LIT_BASE_DIR} PARENT_SCOPE) 1298 endif() 1299 1300 # Allow individual projects to provide an override 1301 if (NOT "${LLVM_LIT_OUTPUT_DIR}" STREQUAL "") 1302 set(LLVM_LIT_BASE_DIR ${LLVM_LIT_OUTPUT_DIR}) 1303 elseif(NOT "${LLVM_RUNTIME_OUTPUT_INTDIR}" STREQUAL "") 1304 set(LLVM_LIT_BASE_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR}) 1305 else() 1306 set(LLVM_LIT_BASE_DIR "") 1307 endif() 1308 1309 # Cache this so we don't have to do it again and have subsequent calls 1310 # potentially disagree on the value. 1311 set_property(GLOBAL PROPERTY LLVM_LIT_BASE_DIR ${LLVM_LIT_BASE_DIR}) 1312 set(${base_dir} ${LLVM_LIT_BASE_DIR} PARENT_SCOPE) 1313endfunction() 1314 1315# A raw function to create a lit target. This is used to implement the testuite 1316# management functions. 1317function(add_lit_target target comment) 1318 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1319 set(LIT_ARGS "${ARG_ARGS} ${LLVM_LIT_ARGS}") 1320 separate_arguments(LIT_ARGS) 1321 if (NOT CMAKE_CFG_INTDIR STREQUAL ".") 1322 list(APPEND LIT_ARGS --param build_mode=${CMAKE_CFG_INTDIR}) 1323 endif () 1324 1325 # Get the path to the lit to *run* tests with. This can be overriden by 1326 # the user by specifying -DLLVM_EXTERNAL_LIT=<path-to-lit.py> 1327 get_llvm_lit_path( 1328 lit_base_dir 1329 lit_file_name 1330 ALLOW_EXTERNAL 1331 ) 1332 1333 set(LIT_COMMAND "${PYTHON_EXECUTABLE};${lit_base_dir}/${lit_file_name}") 1334 list(APPEND LIT_COMMAND ${LIT_ARGS}) 1335 foreach(param ${ARG_PARAMS}) 1336 list(APPEND LIT_COMMAND --param ${param}) 1337 endforeach() 1338 if (ARG_UNPARSED_ARGUMENTS) 1339 add_custom_target(${target} 1340 COMMAND ${LIT_COMMAND} ${ARG_UNPARSED_ARGUMENTS} 1341 COMMENT "${comment}" 1342 USES_TERMINAL 1343 ) 1344 else() 1345 add_custom_target(${target} 1346 COMMAND ${CMAKE_COMMAND} -E echo "${target} does nothing, no tools built.") 1347 message(STATUS "${target} does nothing.") 1348 endif() 1349 if (ARG_DEPENDS) 1350 add_dependencies(${target} ${ARG_DEPENDS}) 1351 endif() 1352 1353 # Tests should be excluded from "Build Solution". 1354 set_target_properties(${target} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD ON) 1355endfunction() 1356 1357# A function to add a set of lit test suites to be driven through 'check-*' targets. 1358function(add_lit_testsuite target comment) 1359 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1360 1361 # EXCLUDE_FROM_ALL excludes the test ${target} out of check-all. 1362 if(NOT EXCLUDE_FROM_ALL) 1363 # Register the testsuites, params and depends for the global check rule. 1364 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_TESTSUITES ${ARG_UNPARSED_ARGUMENTS}) 1365 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_PARAMS ${ARG_PARAMS}) 1366 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_DEPENDS ${ARG_DEPENDS}) 1367 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_EXTRA_ARGS ${ARG_ARGS}) 1368 endif() 1369 1370 # Produce a specific suffixed check rule. 1371 add_lit_target(${target} ${comment} 1372 ${ARG_UNPARSED_ARGUMENTS} 1373 PARAMS ${ARG_PARAMS} 1374 DEPENDS ${ARG_DEPENDS} 1375 ARGS ${ARG_ARGS} 1376 ) 1377endfunction() 1378 1379function(add_lit_testsuites project directory) 1380 if (NOT CMAKE_CONFIGURATION_TYPES) 1381 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1382 1383 # Search recursively for test directories by assuming anything not 1384 # in a directory called Inputs contains tests. 1385 file(GLOB_RECURSE to_process LIST_DIRECTORIES true ${directory}/*) 1386 foreach(lit_suite ${to_process}) 1387 if(NOT IS_DIRECTORY ${lit_suite}) 1388 continue() 1389 endif() 1390 string(FIND ${lit_suite} Inputs is_inputs) 1391 string(FIND ${lit_suite} Output is_output) 1392 if (NOT (is_inputs EQUAL -1 AND is_output EQUAL -1)) 1393 continue() 1394 endif() 1395 1396 # Create a check- target for the directory. 1397 string(REPLACE ${directory} "" name_slash ${lit_suite}) 1398 if (name_slash) 1399 string(REPLACE "/" "-" name_slash ${name_slash}) 1400 string(REPLACE "\\" "-" name_dashes ${name_slash}) 1401 string(TOLOWER "${project}${name_dashes}" name_var) 1402 add_lit_target("check-${name_var}" "Running lit suite ${lit_suite}" 1403 ${lit_suite} 1404 PARAMS ${ARG_PARAMS} 1405 DEPENDS ${ARG_DEPENDS} 1406 ARGS ${ARG_ARGS} 1407 ) 1408 endif() 1409 endforeach() 1410 endif() 1411endfunction() 1412 1413function(llvm_install_library_symlink name dest type) 1414 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "COMPONENT" "" ${ARGN}) 1415 foreach(path ${CMAKE_MODULE_PATH}) 1416 if(EXISTS ${path}/LLVMInstallSymlink.cmake) 1417 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake) 1418 break() 1419 endif() 1420 endforeach() 1421 1422 set(component ${ARG_COMPONENT}) 1423 if(NOT component) 1424 set(component ${name}) 1425 endif() 1426 1427 set(full_name ${CMAKE_${type}_LIBRARY_PREFIX}${name}${CMAKE_${type}_LIBRARY_SUFFIX}) 1428 set(full_dest ${CMAKE_${type}_LIBRARY_PREFIX}${dest}${CMAKE_${type}_LIBRARY_SUFFIX}) 1429 1430 set(output_dir lib${LLVM_LIBDIR_SUFFIX}) 1431 if(WIN32 AND "${type}" STREQUAL "SHARED") 1432 set(output_dir bin) 1433 endif() 1434 1435 install(SCRIPT ${INSTALL_SYMLINK} 1436 CODE "install_symlink(${full_name} ${full_dest} ${output_dir})" 1437 COMPONENT ${component}) 1438 1439 if (NOT CMAKE_CONFIGURATION_TYPES AND NOT ARG_ALWAYS_GENERATE) 1440 add_llvm_install_targets(install-${name} 1441 DEPENDS ${name} ${dest} install-${dest} 1442 COMPONENT ${name}) 1443 endif() 1444endfunction() 1445 1446function(llvm_install_symlink name dest) 1447 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "COMPONENT" "" ${ARGN}) 1448 foreach(path ${CMAKE_MODULE_PATH}) 1449 if(EXISTS ${path}/LLVMInstallSymlink.cmake) 1450 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake) 1451 break() 1452 endif() 1453 endforeach() 1454 1455 if(ARG_COMPONENT) 1456 set(component ${ARG_COMPONENT}) 1457 else() 1458 if(ARG_ALWAYS_GENERATE) 1459 set(component ${dest}) 1460 else() 1461 set(component ${name}) 1462 endif() 1463 endif() 1464 1465 set(full_name ${name}${CMAKE_EXECUTABLE_SUFFIX}) 1466 set(full_dest ${dest}${CMAKE_EXECUTABLE_SUFFIX}) 1467 1468 install(SCRIPT ${INSTALL_SYMLINK} 1469 CODE "install_symlink(${full_name} ${full_dest} ${LLVM_TOOLS_INSTALL_DIR})" 1470 COMPONENT ${component}) 1471 1472 if (NOT CMAKE_CONFIGURATION_TYPES AND NOT ARG_ALWAYS_GENERATE) 1473 add_llvm_install_targets(install-${name} 1474 DEPENDS ${name} ${dest} install-${dest} 1475 COMPONENT ${name}) 1476 endif() 1477endfunction() 1478 1479function(add_llvm_tool_symlink link_name target) 1480 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "OUTPUT_DIR" "" ${ARGN}) 1481 set(dest_binary "$<TARGET_FILE:${target}>") 1482 1483 # This got a bit gross... For multi-configuration generators the target 1484 # properties return the resolved value of the string, not the build system 1485 # expression. To reconstruct the platform-agnostic path we have to do some 1486 # magic. First we grab one of the types, and a type-specific path. Then from 1487 # the type-specific path we find the last occurrence of the type in the path, 1488 # and replace it with CMAKE_CFG_INTDIR. This allows the build step to be type 1489 # agnostic again. 1490 if(NOT ARG_OUTPUT_DIR) 1491 # If you're not overriding the OUTPUT_DIR, we can make the link relative in 1492 # the same directory. 1493 if(CMAKE_HOST_UNIX) 1494 set(dest_binary "$<TARGET_FILE_NAME:${target}>") 1495 endif() 1496 if(CMAKE_CONFIGURATION_TYPES) 1497 list(GET CMAKE_CONFIGURATION_TYPES 0 first_type) 1498 string(TOUPPER ${first_type} first_type_upper) 1499 set(first_type_suffix _${first_type_upper}) 1500 endif() 1501 get_target_property(target_type ${target} TYPE) 1502 if(${target_type} STREQUAL "STATIC_LIBRARY") 1503 get_target_property(ARG_OUTPUT_DIR ${target} ARCHIVE_OUTPUT_DIRECTORY${first_type_suffix}) 1504 elseif(UNIX AND ${target_type} STREQUAL "SHARED_LIBRARY") 1505 get_target_property(ARG_OUTPUT_DIR ${target} LIBRARY_OUTPUT_DIRECTORY${first_type_suffix}) 1506 else() 1507 get_target_property(ARG_OUTPUT_DIR ${target} RUNTIME_OUTPUT_DIRECTORY${first_type_suffix}) 1508 endif() 1509 if(CMAKE_CONFIGURATION_TYPES) 1510 string(FIND "${ARG_OUTPUT_DIR}" "/${first_type}/" type_start REVERSE) 1511 string(SUBSTRING "${ARG_OUTPUT_DIR}" 0 ${type_start} path_prefix) 1512 string(SUBSTRING "${ARG_OUTPUT_DIR}" ${type_start} -1 path_suffix) 1513 string(REPLACE "/${first_type}/" "/${CMAKE_CFG_INTDIR}/" 1514 path_suffix ${path_suffix}) 1515 set(ARG_OUTPUT_DIR ${path_prefix}${path_suffix}) 1516 endif() 1517 endif() 1518 1519 if(CMAKE_HOST_UNIX) 1520 set(LLVM_LINK_OR_COPY create_symlink) 1521 else() 1522 set(LLVM_LINK_OR_COPY copy) 1523 endif() 1524 1525 set(output_path "${ARG_OUTPUT_DIR}/${link_name}${CMAKE_EXECUTABLE_SUFFIX}") 1526 1527 set(target_name ${link_name}) 1528 if(TARGET ${link_name}) 1529 set(target_name ${link_name}-link) 1530 endif() 1531 1532 1533 if(ARG_ALWAYS_GENERATE) 1534 set_property(DIRECTORY APPEND PROPERTY 1535 ADDITIONAL_MAKE_CLEAN_FILES ${dest_binary}) 1536 add_custom_command(TARGET ${target} POST_BUILD 1537 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}") 1538 else() 1539 add_custom_command(OUTPUT ${output_path} 1540 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}" 1541 DEPENDS ${target}) 1542 add_custom_target(${target_name} ALL DEPENDS ${target} ${output_path}) 1543 set_target_properties(${target_name} PROPERTIES FOLDER Tools) 1544 1545 # Make sure both the link and target are toolchain tools 1546 if (${link_name} IN_LIST LLVM_TOOLCHAIN_TOOLS AND ${target} IN_LIST LLVM_TOOLCHAIN_TOOLS) 1547 set(TOOL_IS_TOOLCHAIN ON) 1548 endif() 1549 1550 if ((TOOL_IS_TOOLCHAIN OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) AND LLVM_BUILD_TOOLS) 1551 llvm_install_symlink(${link_name} ${target}) 1552 endif() 1553 endif() 1554endfunction() 1555 1556function(llvm_externalize_debuginfo name) 1557 if(NOT LLVM_EXTERNALIZE_DEBUGINFO) 1558 return() 1559 endif() 1560 1561 if(NOT LLVM_EXTERNALIZE_DEBUGINFO_SKIP_STRIP) 1562 if(APPLE) 1563 if(NOT CMAKE_STRIP) 1564 set(CMAKE_STRIP xcrun strip) 1565 endif() 1566 set(strip_command COMMAND ${CMAKE_STRIP} -Sxl $<TARGET_FILE:${name}>) 1567 else() 1568 set(strip_command COMMAND ${CMAKE_STRIP} -gx $<TARGET_FILE:${name}>) 1569 endif() 1570 endif() 1571 1572 if(APPLE) 1573 if(CMAKE_CXX_FLAGS MATCHES "-flto" 1574 OR CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE} MATCHES "-flto") 1575 1576 set(lto_object ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${name}-lto.o) 1577 set_property(TARGET ${name} APPEND_STRING PROPERTY 1578 LINK_FLAGS " -Wl,-object_path_lto,${lto_object}") 1579 endif() 1580 if(NOT CMAKE_DSYMUTIL) 1581 set(CMAKE_DSYMUTIL xcrun dsymutil) 1582 endif() 1583 add_custom_command(TARGET ${name} POST_BUILD 1584 COMMAND ${CMAKE_DSYMUTIL} $<TARGET_FILE:${name}> 1585 ${strip_command} 1586 ) 1587 else() 1588 add_custom_command(TARGET ${name} POST_BUILD 1589 COMMAND ${CMAKE_OBJCOPY} --only-keep-debug $<TARGET_FILE:${name}> $<TARGET_FILE:${name}>.debug 1590 ${strip_command} -R .gnu_debuglink 1591 COMMAND ${CMAKE_OBJCOPY} --add-gnu-debuglink=$<TARGET_FILE:${name}>.debug $<TARGET_FILE:${name}> 1592 ) 1593 endif() 1594endfunction() 1595 1596function(llvm_codesign name) 1597 if(NOT LLVM_CODESIGNING_IDENTITY) 1598 return() 1599 endif() 1600 1601 if(APPLE) 1602 if(NOT CMAKE_CODESIGN) 1603 set(CMAKE_CODESIGN xcrun codesign) 1604 endif() 1605 if(NOT CMAKE_CODESIGN_ALLOCATE) 1606 execute_process( 1607 COMMAND xcrun -f codesign_allocate 1608 OUTPUT_STRIP_TRAILING_WHITESPACE 1609 OUTPUT_VARIABLE CMAKE_CODESIGN_ALLOCATE 1610 ) 1611 endif() 1612 add_custom_command( 1613 TARGET ${name} POST_BUILD 1614 COMMAND ${CMAKE_COMMAND} -E 1615 env CODESIGN_ALLOCATE=${CMAKE_CODESIGN_ALLOCATE} 1616 ${CMAKE_CODESIGN} -s ${LLVM_CODESIGNING_IDENTITY} 1617 $<TARGET_FILE:${name}> 1618 ) 1619 endif() 1620endfunction() 1621 1622function(llvm_setup_rpath name) 1623 if(CMAKE_INSTALL_RPATH) 1624 return() 1625 endif() 1626 1627 if(LLVM_INSTALL_PREFIX AND NOT (LLVM_INSTALL_PREFIX STREQUAL CMAKE_INSTALL_PREFIX)) 1628 set(extra_libdir ${LLVM_LIBRARY_DIR}) 1629 elseif(LLVM_BUILD_LIBRARY_DIR) 1630 set(extra_libdir ${LLVM_LIBRARY_DIR}) 1631 endif() 1632 1633 if (APPLE) 1634 set(_install_name_dir INSTALL_NAME_DIR "@rpath") 1635 set(_install_rpath "@loader_path/../lib" ${extra_libdir}) 1636 elseif(UNIX) 1637 set(_install_rpath "\$ORIGIN/../lib${LLVM_LIBDIR_SUFFIX}" ${extra_libdir}) 1638 if(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)") 1639 set_property(TARGET ${name} APPEND_STRING PROPERTY 1640 LINK_FLAGS " -Wl,-z,origin ") 1641 endif() 1642 if(LLVM_LINKER_IS_GNULD) 1643 # $ORIGIN is not interpreted at link time by ld.bfd 1644 set_property(TARGET ${name} APPEND_STRING PROPERTY 1645 LINK_FLAGS " -Wl,-rpath-link,${LLVM_LIBRARY_OUTPUT_INTDIR} ") 1646 endif() 1647 else() 1648 return() 1649 endif() 1650 1651 set_target_properties(${name} PROPERTIES 1652 BUILD_WITH_INSTALL_RPATH On 1653 INSTALL_RPATH "${_install_rpath}" 1654 ${_install_name_dir}) 1655endfunction() 1656 1657function(setup_dependency_debugging name) 1658 if(NOT LLVM_DEPENDENCY_DEBUGGING) 1659 return() 1660 endif() 1661 1662 if("intrinsics_gen" IN_LIST ARGN) 1663 return() 1664 endif() 1665 1666 set(deny_attributes_inc "(deny file* (literal \"${LLVM_BINARY_DIR}/include/llvm/IR/Attributes.inc\"))") 1667 set(deny_intrinsics_inc "(deny file* (literal \"${LLVM_BINARY_DIR}/include/llvm/IR/Intrinsics.inc\"))") 1668 1669 set(sandbox_command "sandbox-exec -p '(version 1) (allow default) ${deny_attributes_inc} ${deny_intrinsics_inc}'") 1670 set_target_properties(${name} PROPERTIES RULE_LAUNCH_COMPILE ${sandbox_command}) 1671endfunction() 1672 1673# Figure out if we can track VC revisions. 1674function(find_first_existing_file out_var) 1675 foreach(file ${ARGN}) 1676 if(EXISTS "${file}") 1677 set(${out_var} "${file}" PARENT_SCOPE) 1678 return() 1679 endif() 1680 endforeach() 1681endfunction() 1682 1683macro(find_first_existing_vc_file out_var path) 1684 find_program(git_executable NAMES git git.exe git.cmd) 1685 # Run from a subdirectory to force git to print an absolute path. 1686 execute_process(COMMAND ${git_executable} rev-parse --git-dir 1687 WORKING_DIRECTORY ${path}/cmake 1688 RESULT_VARIABLE git_result 1689 OUTPUT_VARIABLE git_dir 1690 ERROR_QUIET) 1691 if(git_result EQUAL 0) 1692 string(STRIP "${git_dir}" git_dir) 1693 set(${out_var} "${git_dir}/logs/HEAD") 1694 # some branchless cases (e.g. 'repo') may not yet have .git/logs/HEAD 1695 if (NOT EXISTS "${git_dir}/logs/HEAD") 1696 file(WRITE "${git_dir}/logs/HEAD" "") 1697 endif() 1698 else() 1699 find_first_existing_file(${out_var} 1700 "${path}/.svn/wc.db" # SVN 1.7 1701 "${path}/.svn/entries" # SVN 1.6 1702 ) 1703 endif() 1704endmacro() 1705