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