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 add_custom_command(OUTPUT ${native_export_file} 85 COMMAND echo "{" > ${native_export_file} 86 COMMAND grep -q "[[:alnum:]]" ${export_file} && echo " global:" >> ${native_export_file} || : 87 COMMAND sed -e "s/$/;/" -e "s/^/ /" < ${export_file} >> ${native_export_file} 88 COMMAND echo " local: *;" >> ${native_export_file} 89 COMMAND echo "};" >> ${native_export_file} 90 DEPENDS ${export_file} 91 VERBATIM 92 COMMENT "Creating export file for ${target_name}") 93 if (${CMAKE_SYSTEM_NAME} MATCHES "SunOS") 94 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 95 LINK_FLAGS " -Wl,-M,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") 96 else() 97 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 98 LINK_FLAGS " -Wl,--version-script,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") 99 endif() 100 else() 101 set(native_export_file "${target_name}.def") 102 103 add_custom_command(OUTPUT ${native_export_file} 104 COMMAND ${PYTHON_EXECUTABLE} -c "import sys;print(''.join(['EXPORTS\\n']+sys.stdin.readlines(),))" 105 < ${export_file} > ${native_export_file} 106 DEPENDS ${export_file} 107 VERBATIM 108 COMMENT "Creating export file for ${target_name}") 109 set(export_file_linker_flag "${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") 110 if(MSVC) 111 set(export_file_linker_flag "/DEF:\"${export_file_linker_flag}\"") 112 endif() 113 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 114 LINK_FLAGS " ${export_file_linker_flag}") 115 endif() 116 117 add_custom_target(${target_name}_exports DEPENDS ${native_export_file}) 118 set_target_properties(${target_name}_exports PROPERTIES FOLDER "Misc") 119 120 get_property(srcs TARGET ${target_name} PROPERTY SOURCES) 121 foreach(src ${srcs}) 122 get_filename_component(extension ${src} EXT) 123 if(extension STREQUAL ".cpp") 124 set(first_source_file ${src}) 125 break() 126 endif() 127 endforeach() 128 129 # Force re-linking when the exports file changes. Actually, it 130 # forces recompilation of the source file. The LINK_DEPENDS target 131 # property only works for makefile-based generators. 132 # FIXME: This is not safe because this will create the same target 133 # ${native_export_file} in several different file: 134 # - One where we emitted ${target_name}_exports 135 # - One where we emitted the build command for the following object. 136 # set_property(SOURCE ${first_source_file} APPEND PROPERTY 137 # OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}) 138 139 set_property(DIRECTORY APPEND 140 PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${native_export_file}) 141 142 add_dependencies(${target_name} ${target_name}_exports) 143 144 # Add dependency to *_exports later -- CMake issue 14747 145 list(APPEND LLVM_COMMON_DEPENDS ${target_name}_exports) 146 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} PARENT_SCOPE) 147endfunction(add_llvm_symbol_exports) 148 149if(NOT WIN32 AND NOT APPLE) 150 execute_process( 151 COMMAND ${CMAKE_C_COMPILER} -Wl,--version 152 OUTPUT_VARIABLE stdout 153 ERROR_QUIET 154 ) 155 if("${stdout}" MATCHES "GNU gold") 156 set(LLVM_LINKER_IS_GOLD ON) 157 endif() 158endif() 159 160function(add_link_opts target_name) 161 # Don't use linker optimizations in debug builds since it slows down the 162 # linker in a context where the optimizations are not important. 163 if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG") 164 165 # Pass -O3 to the linker. This enabled different optimizations on different 166 # linkers. 167 if(NOT (${CMAKE_SYSTEM_NAME} MATCHES "Darwin|SunOS|AIX" OR WIN32)) 168 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 169 LINK_FLAGS " -Wl,-O3") 170 endif() 171 172 if(LLVM_LINKER_IS_GOLD) 173 # With gold gc-sections is always safe. 174 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 175 LINK_FLAGS " -Wl,--gc-sections") 176 # Note that there is a bug with -Wl,--icf=safe so it is not safe 177 # to enable. See https://sourceware.org/bugzilla/show_bug.cgi?id=17704. 178 endif() 179 180 if(NOT LLVM_NO_DEAD_STRIP) 181 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") 182 # ld64's implementation of -dead_strip breaks tools that use plugins. 183 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 184 LINK_FLAGS " -Wl,-dead_strip") 185 elseif(${CMAKE_SYSTEM_NAME} MATCHES "SunOS") 186 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 187 LINK_FLAGS " -Wl,-z -Wl,discard-unused=sections") 188 elseif(NOT WIN32 AND NOT LLVM_LINKER_IS_GOLD) 189 # Object files are compiled with -ffunction-data-sections. 190 # Versions of bfd ld < 2.23.1 have a bug in --gc-sections that breaks 191 # tools that use plugins. Always pass --gc-sections once we require 192 # a newer linker. 193 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 194 LINK_FLAGS " -Wl,--gc-sections") 195 endif() 196 endif() 197 endif() 198endfunction(add_link_opts) 199 200# Set each output directory according to ${CMAKE_CONFIGURATION_TYPES}. 201# Note: Don't set variables CMAKE_*_OUTPUT_DIRECTORY any more, 202# or a certain builder, for eaxample, msbuild.exe, would be confused. 203function(set_output_directory target) 204 cmake_parse_arguments(ARG "" "BINARY_DIR;LIBRARY_DIR" "" ${ARGN}) 205 206 # module_dir -- corresponding to LIBRARY_OUTPUT_DIRECTORY. 207 # It affects output of add_library(MODULE). 208 if(WIN32 OR CYGWIN) 209 # DLL platform 210 set(module_dir ${ARG_BINARY_DIR}) 211 else() 212 set(module_dir ${ARG_LIBRARY_DIR}) 213 endif() 214 if(NOT "${CMAKE_CFG_INTDIR}" STREQUAL ".") 215 foreach(build_mode ${CMAKE_CONFIGURATION_TYPES}) 216 string(TOUPPER "${build_mode}" CONFIG_SUFFIX) 217 if(ARG_BINARY_DIR) 218 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} bi ${ARG_BINARY_DIR}) 219 set_target_properties(${target} PROPERTIES "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${bi}) 220 endif() 221 if(ARG_LIBRARY_DIR) 222 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} li ${ARG_LIBRARY_DIR}) 223 set_target_properties(${target} PROPERTIES "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${li}) 224 endif() 225 if(module_dir) 226 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} mi ${module_dir}) 227 set_target_properties(${target} PROPERTIES "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${mi}) 228 endif() 229 endforeach() 230 else() 231 if(ARG_BINARY_DIR) 232 set_target_properties(${target} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${ARG_BINARY_DIR}) 233 endif() 234 if(ARG_LIBRARY_DIR) 235 set_target_properties(${target} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${ARG_LIBRARY_DIR}) 236 endif() 237 if(module_dir) 238 set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${module_dir}) 239 endif() 240 endif() 241endfunction() 242 243# If on Windows and building with MSVC, add the resource script containing the 244# VERSIONINFO data to the project. This embeds version resource information 245# into the output .exe or .dll. 246# TODO: Enable for MinGW Windows builds too. 247# 248function(add_windows_version_resource_file OUT_VAR) 249 set(sources ${ARGN}) 250 if (MSVC) 251 set(resource_file ${LLVM_SOURCE_DIR}/resources/windows_version_resource.rc) 252 if(EXISTS ${resource_file}) 253 set(sources ${sources} ${resource_file}) 254 source_group("Resource Files" ${resource_file}) 255 set(windows_resource_file ${resource_file} PARENT_SCOPE) 256 endif() 257 endif(MSVC) 258 259 set(${OUT_VAR} ${sources} PARENT_SCOPE) 260endfunction(add_windows_version_resource_file) 261 262# set_windows_version_resource_properties(name resource_file... 263# VERSION_MAJOR int 264# Optional major version number (defaults to LLVM_VERSION_MAJOR) 265# VERSION_MINOR int 266# Optional minor version number (defaults to LLVM_VERSION_MINOR) 267# VERSION_PATCHLEVEL int 268# Optional patchlevel version number (defaults to LLVM_VERSION_PATCH) 269# VERSION_STRING 270# Optional version string (defaults to PACKAGE_VERSION) 271# PRODUCT_NAME 272# Optional product name string (defaults to "LLVM") 273# ) 274function(set_windows_version_resource_properties name resource_file) 275 cmake_parse_arguments(ARG 276 "" 277 "VERSION_MAJOR;VERSION_MINOR;VERSION_PATCHLEVEL;VERSION_STRING;PRODUCT_NAME" 278 "" 279 ${ARGN}) 280 281 if (NOT DEFINED ARG_VERSION_MAJOR) 282 set(ARG_VERSION_MAJOR ${LLVM_VERSION_MAJOR}) 283 endif() 284 285 if (NOT DEFINED ARG_VERSION_MINOR) 286 set(ARG_VERSION_MINOR ${LLVM_VERSION_MINOR}) 287 endif() 288 289 if (NOT DEFINED ARG_VERSION_PATCHLEVEL) 290 set(ARG_VERSION_PATCHLEVEL ${LLVM_VERSION_PATCH}) 291 endif() 292 293 if (NOT DEFINED ARG_VERSION_STRING) 294 set(ARG_VERSION_STRING ${PACKAGE_VERSION}) 295 endif() 296 297 if (NOT DEFINED ARG_PRODUCT_NAME) 298 set(ARG_PRODUCT_NAME "LLVM") 299 endif() 300 301 set_property(SOURCE ${resource_file} 302 PROPERTY COMPILE_FLAGS /nologo) 303 set_property(SOURCE ${resource_file} 304 PROPERTY COMPILE_DEFINITIONS 305 "RC_VERSION_FIELD_1=${ARG_VERSION_MAJOR}" 306 "RC_VERSION_FIELD_2=${ARG_VERSION_MINOR}" 307 "RC_VERSION_FIELD_3=${ARG_VERSION_PATCHLEVEL}" 308 "RC_VERSION_FIELD_4=0" 309 "RC_FILE_VERSION=\"${ARG_VERSION_STRING}\"" 310 "RC_INTERNAL_NAME=\"${name}\"" 311 "RC_PRODUCT_NAME=\"${ARG_PRODUCT_NAME}\"" 312 "RC_PRODUCT_VERSION=\"${ARG_VERSION_STRING}\"") 313endfunction(set_windows_version_resource_properties) 314 315# llvm_add_library(name sources... 316# SHARED;STATIC 317# STATIC by default w/o BUILD_SHARED_LIBS. 318# SHARED by default w/ BUILD_SHARED_LIBS. 319# OBJECT 320# Also create an OBJECT library target. Default if STATIC && SHARED. 321# MODULE 322# Target ${name} might not be created on unsupported platforms. 323# Check with "if(TARGET ${name})". 324# DISABLE_LLVM_LINK_LLVM_DYLIB 325# Do not link this library to libLLVM, even if 326# LLVM_LINK_LLVM_DYLIB is enabled. 327# OUTPUT_NAME name 328# Corresponds to OUTPUT_NAME in target properties. 329# DEPENDS targets... 330# Same semantics as add_dependencies(). 331# LINK_COMPONENTS components... 332# Same as the variable LLVM_LINK_COMPONENTS. 333# LINK_LIBS lib_targets... 334# Same semantics as target_link_libraries(). 335# ADDITIONAL_HEADERS 336# May specify header files for IDE generators. 337# SONAME 338# Should set SONAME link flags and create symlinks 339# PLUGIN_TOOL 340# The tool (i.e. cmake target) that this plugin will link against 341# ) 342function(llvm_add_library name) 343 cmake_parse_arguments(ARG 344 "MODULE;SHARED;STATIC;OBJECT;DISABLE_LLVM_LINK_LLVM_DYLIB;SONAME" 345 "OUTPUT_NAME;PLUGIN_TOOL" 346 "ADDITIONAL_HEADERS;DEPENDS;LINK_COMPONENTS;LINK_LIBS;OBJLIBS" 347 ${ARGN}) 348 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS}) 349 if(ARG_ADDITIONAL_HEADERS) 350 # Pass through ADDITIONAL_HEADERS. 351 set(ARG_ADDITIONAL_HEADERS ADDITIONAL_HEADERS ${ARG_ADDITIONAL_HEADERS}) 352 endif() 353 if(ARG_OBJLIBS) 354 set(ALL_FILES ${ARG_OBJLIBS}) 355 else() 356 llvm_process_sources(ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ${ARG_ADDITIONAL_HEADERS}) 357 endif() 358 359 if(ARG_MODULE) 360 if(ARG_SHARED OR ARG_STATIC) 361 message(WARNING "MODULE with SHARED|STATIC doesn't make sense.") 362 endif() 363 # Plugins that link against a tool are allowed even when plugins in general are not 364 if(NOT LLVM_ENABLE_PLUGINS AND NOT (ARG_PLUGIN_TOOL AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS)) 365 message(STATUS "${name} ignored -- Loadable modules not supported on this platform.") 366 return() 367 endif() 368 else() 369 if(ARG_PLUGIN_TOOL) 370 message(WARNING "PLUGIN_TOOL without MODULE doesn't make sense.") 371 endif() 372 if(BUILD_SHARED_LIBS AND NOT ARG_STATIC) 373 set(ARG_SHARED TRUE) 374 endif() 375 if(NOT ARG_SHARED) 376 set(ARG_STATIC TRUE) 377 endif() 378 endif() 379 380 # Generate objlib 381 if((ARG_SHARED AND ARG_STATIC) OR ARG_OBJECT) 382 # Generate an obj library for both targets. 383 set(obj_name "obj.${name}") 384 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL 385 ${ALL_FILES} 386 ) 387 llvm_update_compile_flags(${obj_name}) 388 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>") 389 390 # Do add_dependencies(obj) later due to CMake issue 14747. 391 list(APPEND objlibs ${obj_name}) 392 393 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") 394 endif() 395 396 if(ARG_SHARED AND ARG_STATIC) 397 # static 398 set(name_static "${name}_static") 399 if(ARG_OUTPUT_NAME) 400 set(output_name OUTPUT_NAME "${ARG_OUTPUT_NAME}") 401 endif() 402 # DEPENDS has been appended to LLVM_COMMON_LIBS. 403 llvm_add_library(${name_static} STATIC 404 ${output_name} 405 OBJLIBS ${ALL_FILES} # objlib 406 LINK_LIBS ${ARG_LINK_LIBS} 407 LINK_COMPONENTS ${ARG_LINK_COMPONENTS} 408 ) 409 # FIXME: Add name_static to anywhere in TARGET ${name}'s PROPERTY. 410 set(ARG_STATIC) 411 endif() 412 413 if(ARG_MODULE) 414 add_library(${name} MODULE ${ALL_FILES}) 415 llvm_setup_rpath(${name}) 416 elseif(ARG_SHARED) 417 add_windows_version_resource_file(ALL_FILES ${ALL_FILES}) 418 add_library(${name} SHARED ${ALL_FILES}) 419 420 llvm_setup_rpath(${name}) 421 422 else() 423 add_library(${name} STATIC ${ALL_FILES}) 424 endif() 425 426 setup_dependency_debugging(${name} ${LLVM_COMMON_DEPENDS}) 427 428 if(DEFINED windows_resource_file) 429 set_windows_version_resource_properties(${name} ${windows_resource_file}) 430 set(windows_resource_file ${windows_resource_file} PARENT_SCOPE) 431 endif() 432 433 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) 434 # $<TARGET_OBJECTS> doesn't require compile flags. 435 if(NOT obj_name) 436 llvm_update_compile_flags(${name}) 437 endif() 438 add_link_opts( ${name} ) 439 if(ARG_OUTPUT_NAME) 440 set_target_properties(${name} 441 PROPERTIES 442 OUTPUT_NAME ${ARG_OUTPUT_NAME} 443 ) 444 endif() 445 446 if(ARG_MODULE) 447 set_target_properties(${name} PROPERTIES 448 PREFIX "" 449 SUFFIX ${LLVM_PLUGIN_EXT} 450 ) 451 endif() 452 453 if(ARG_SHARED) 454 if(WIN32) 455 set_target_properties(${name} PROPERTIES 456 PREFIX "" 457 ) 458 endif() 459 460 # Set SOVERSION on shared libraries that lack explicit SONAME 461 # specifier, on *nix systems that are not Darwin. 462 if(UNIX AND NOT APPLE AND NOT ARG_SONAME) 463 set_target_properties(${name} 464 PROPERTIES 465 # Concatenate the version numbers since ldconfig expects exactly 466 # one component indicating the ABI version, while LLVM uses 467 # major+minor for that. 468 SOVERSION ${LLVM_VERSION_MAJOR}${LLVM_VERSION_MINOR} 469 VERSION ${LLVM_VERSION_MAJOR}${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX}) 470 endif() 471 endif() 472 473 if(ARG_MODULE OR ARG_SHARED) 474 # Do not add -Dname_EXPORTS to the command-line when building files in this 475 # target. Doing so is actively harmful for the modules build because it 476 # creates extra module variants, and not useful because we don't use these 477 # macros. 478 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) 479 480 if (LLVM_EXPORTED_SYMBOL_FILE) 481 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 482 endif() 483 endif() 484 485 if(ARG_SHARED AND UNIX) 486 if(NOT APPLE AND ARG_SONAME) 487 get_target_property(output_name ${name} OUTPUT_NAME) 488 if(${output_name} STREQUAL "output_name-NOTFOUND") 489 set(output_name ${name}) 490 endif() 491 set(library_name ${output_name}-${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}${LLVM_VERSION_SUFFIX}) 492 set(api_name ${output_name}-${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX}) 493 set_target_properties(${name} PROPERTIES OUTPUT_NAME ${library_name}) 494 llvm_install_library_symlink(${api_name} ${library_name} SHARED 495 COMPONENT ${name} 496 ALWAYS_GENERATE) 497 llvm_install_library_symlink(${output_name} ${library_name} SHARED 498 COMPONENT ${name} 499 ALWAYS_GENERATE) 500 endif() 501 endif() 502 503 if(ARG_MODULE AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS AND ARG_PLUGIN_TOOL AND (WIN32 OR CYGWIN)) 504 # On DLL platforms symbols are imported from the tool by linking against it. 505 set(llvm_libs ${ARG_PLUGIN_TOOL}) 506 elseif (DEFINED LLVM_LINK_COMPONENTS OR DEFINED ARG_LINK_COMPONENTS) 507 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB) 508 set(llvm_libs LLVM) 509 else() 510 llvm_map_components_to_libnames(llvm_libs 511 ${ARG_LINK_COMPONENTS} 512 ${LLVM_LINK_COMPONENTS} 513 ) 514 endif() 515 else() 516 # Components have not been defined explicitly in CMake, so add the 517 # dependency information for this library as defined by LLVMBuild. 518 # 519 # It would be nice to verify that we have the dependencies for this library 520 # name, but using get_property(... SET) doesn't suffice to determine if a 521 # property has been set to an empty value. 522 get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${name}) 523 endif() 524 525 if(ARG_STATIC) 526 set(libtype INTERFACE) 527 else() 528 # We can use PRIVATE since SO knows its dependent libs. 529 set(libtype PRIVATE) 530 endif() 531 532 target_link_libraries(${name} ${libtype} 533 ${ARG_LINK_LIBS} 534 ${lib_deps} 535 ${llvm_libs} 536 ) 537 538 if(LLVM_COMMON_DEPENDS) 539 add_dependencies(${name} ${LLVM_COMMON_DEPENDS}) 540 # Add dependencies also to objlibs. 541 # CMake issue 14747 -- add_dependencies() might be ignored to objlib's user. 542 foreach(objlib ${objlibs}) 543 add_dependencies(${objlib} ${LLVM_COMMON_DEPENDS}) 544 endforeach() 545 endif() 546 547 if(ARG_SHARED OR ARG_MODULE) 548 llvm_externalize_debuginfo(${name}) 549 endif() 550endfunction() 551 552macro(add_llvm_library name) 553 cmake_parse_arguments(ARG 554 "SHARED;BUILDTREE_ONLY" 555 "" 556 "" 557 ${ARGN}) 558 if( BUILD_SHARED_LIBS OR ARG_SHARED ) 559 llvm_add_library(${name} SHARED ${ARG_UNPARSED_ARGUMENTS}) 560 else() 561 llvm_add_library(${name} ${ARG_UNPARSED_ARGUMENTS}) 562 endif() 563 564 # Libraries that are meant to only be exposed via the build tree only are 565 # never installed and are only exported as a target in the special build tree 566 # config file. 567 if (NOT ARG_BUILDTREE_ONLY) 568 set_property( GLOBAL APPEND PROPERTY LLVM_LIBS ${name} ) 569 endif() 570 571 if( EXCLUDE_FROM_ALL ) 572 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON) 573 elseif(ARG_BUILDTREE_ONLY) 574 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS_BUILDTREE_ONLY ${name}) 575 else() 576 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "LTO" OR 577 (LLVM_LINK_LLVM_DYLIB AND ${name} STREQUAL "LLVM")) 578 set(install_dir lib${LLVM_LIBDIR_SUFFIX}) 579 if(ARG_SHARED OR BUILD_SHARED_LIBS) 580 if(WIN32 OR CYGWIN OR MINGW) 581 set(install_type RUNTIME) 582 set(install_dir bin) 583 else() 584 set(install_type LIBRARY) 585 endif() 586 else() 587 set(install_type ARCHIVE) 588 endif() 589 590 if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR 591 NOT LLVM_DISTRIBUTION_COMPONENTS) 592 set(export_to_llvmexports EXPORT LLVMExports) 593 set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True) 594 endif() 595 596 install(TARGETS ${name} 597 ${export_to_llvmexports} 598 ${install_type} DESTINATION ${install_dir} 599 COMPONENT ${name}) 600 601 if (NOT CMAKE_CONFIGURATION_TYPES) 602 add_custom_target(install-${name} 603 DEPENDS ${name} 604 COMMAND "${CMAKE_COMMAND}" 605 -DCMAKE_INSTALL_COMPONENT=${name} 606 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") 607 endif() 608 endif() 609 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 610 endif() 611 set_target_properties(${name} PROPERTIES FOLDER "Libraries") 612endmacro(add_llvm_library name) 613 614macro(add_llvm_loadable_module name) 615 llvm_add_library(${name} MODULE ${ARGN}) 616 if(NOT TARGET ${name}) 617 # Add empty "phony" target 618 add_custom_target(${name}) 619 else() 620 if( EXCLUDE_FROM_ALL ) 621 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON) 622 else() 623 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 624 if(WIN32 OR CYGWIN) 625 # DLL platform 626 set(dlldir "bin") 627 else() 628 set(dlldir "lib${LLVM_LIBDIR_SUFFIX}") 629 endif() 630 631 if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR 632 NOT LLVM_DISTRIBUTION_COMPONENTS) 633 set(export_to_llvmexports EXPORT LLVMExports) 634 set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True) 635 endif() 636 637 install(TARGETS ${name} 638 ${export_to_llvmexports} 639 LIBRARY DESTINATION ${dlldir} 640 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}) 641 endif() 642 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 643 endif() 644 endif() 645 646 set_target_properties(${name} PROPERTIES FOLDER "Loadable modules") 647endmacro(add_llvm_loadable_module name) 648 649 650macro(add_llvm_executable name) 651 cmake_parse_arguments(ARG "DISABLE_LLVM_LINK_LLVM_DYLIB;IGNORE_EXTERNALIZE_DEBUGINFO;NO_INSTALL_RPATH" "" "DEPENDS" ${ARGN}) 652 llvm_process_sources( ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ) 653 654 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS}) 655 656 # Generate objlib 657 if(LLVM_ENABLE_OBJLIB) 658 # Generate an obj library for both targets. 659 set(obj_name "obj.${name}") 660 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL 661 ${ALL_FILES} 662 ) 663 llvm_update_compile_flags(${obj_name}) 664 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>") 665 666 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") 667 endif() 668 669 add_windows_version_resource_file(ALL_FILES ${ALL_FILES}) 670 671 if(XCODE) 672 # Note: the dummy.cpp source file provides no definitions. However, 673 # it forces Xcode to properly link the static library. 674 list(APPEND ALL_FILES "${LLVM_MAIN_SRC_DIR}/cmake/dummy.cpp") 675 endif() 676 677 if( EXCLUDE_FROM_ALL ) 678 add_executable(${name} EXCLUDE_FROM_ALL ${ALL_FILES}) 679 else() 680 add_executable(${name} ${ALL_FILES}) 681 endif() 682 683 setup_dependency_debugging(${name} ${LLVM_COMMON_DEPENDS}) 684 685 if(NOT ARG_NO_INSTALL_RPATH) 686 llvm_setup_rpath(${name}) 687 endif() 688 689 if(DEFINED windows_resource_file) 690 set_windows_version_resource_properties(${name} ${windows_resource_file}) 691 endif() 692 693 # $<TARGET_OBJECTS> doesn't require compile flags. 694 if(NOT LLVM_ENABLE_OBJLIB) 695 llvm_update_compile_flags(${name}) 696 endif() 697 add_link_opts( ${name} ) 698 699 # Do not add -Dname_EXPORTS to the command-line when building files in this 700 # target. Doing so is actively harmful for the modules build because it 701 # creates extra module variants, and not useful because we don't use these 702 # macros. 703 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) 704 705 if (LLVM_EXPORTED_SYMBOL_FILE) 706 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 707 endif(LLVM_EXPORTED_SYMBOL_FILE) 708 709 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB) 710 set(USE_SHARED USE_SHARED) 711 endif() 712 713 set(EXCLUDE_FROM_ALL OFF) 714 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) 715 llvm_config( ${name} ${USE_SHARED} ${LLVM_LINK_COMPONENTS} ) 716 if( LLVM_COMMON_DEPENDS ) 717 add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} ) 718 endif( LLVM_COMMON_DEPENDS ) 719 720 if(NOT ARG_IGNORE_EXTERNALIZE_DEBUGINFO) 721 llvm_externalize_debuginfo(${name}) 722 endif() 723 if (PTHREAD_LIB) 724 # libpthreads overrides some standard library symbols, so main 725 # executable must be linked with it in order to provide consistent 726 # API for all shared libaries loaded by this executable. 727 target_link_libraries(${name} ${PTHREAD_LIB}) 728 endif() 729endmacro(add_llvm_executable name) 730 731function(export_executable_symbols target) 732 if (LLVM_EXPORTED_SYMBOL_FILE) 733 # The symbol file should contain the symbols we want the executable to 734 # export 735 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 736 elseif (LLVM_EXPORT_SYMBOLS_FOR_PLUGINS) 737 # Extract the symbols to export from the static libraries that the 738 # executable links against. 739 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 740 set(exported_symbol_file ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${target}.symbols) 741 # We need to consider not just the direct link dependencies, but also the 742 # transitive link dependencies. Do this by starting with the set of direct 743 # dependencies, then the dependencies of those dependencies, and so on. 744 get_target_property(new_libs ${target} LINK_LIBRARIES) 745 set(link_libs ${new_libs}) 746 while(NOT "${new_libs}" STREQUAL "") 747 foreach(lib ${new_libs}) 748 if(TARGET ${lib}) 749 get_target_property(lib_type ${lib} TYPE) 750 if("${lib_type}" STREQUAL "STATIC_LIBRARY") 751 list(APPEND static_libs ${lib}) 752 else() 753 list(APPEND other_libs ${lib}) 754 endif() 755 get_target_property(transitive_libs ${lib} INTERFACE_LINK_LIBRARIES) 756 foreach(transitive_lib ${transitive_libs}) 757 list(FIND link_libs ${transitive_lib} idx) 758 if(TARGET ${transitive_lib} AND idx EQUAL -1) 759 list(APPEND newer_libs ${transitive_lib}) 760 list(APPEND link_libs ${transitive_lib}) 761 endif() 762 endforeach(transitive_lib) 763 endif() 764 endforeach(lib) 765 set(new_libs ${newer_libs}) 766 set(newer_libs "") 767 endwhile() 768 if (MSVC) 769 set(mangling microsoft) 770 else() 771 set(mangling itanium) 772 endif() 773 add_custom_command(OUTPUT ${exported_symbol_file} 774 COMMAND ${PYTHON_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/extract_symbols.py --mangling=${mangling} ${static_libs} -o ${exported_symbol_file} 775 WORKING_DIRECTORY ${LLVM_LIBRARY_OUTPUT_INTDIR} 776 DEPENDS ${LLVM_MAIN_SRC_DIR}/utils/extract_symbols.py ${static_libs} 777 VERBATIM 778 COMMENT "Generating export list for ${target}") 779 add_llvm_symbol_exports( ${target} ${exported_symbol_file} ) 780 # If something links against this executable then we want a 781 # transitive link against only the libraries whose symbols 782 # we aren't exporting. 783 set_target_properties(${target} PROPERTIES INTERFACE_LINK_LIBRARIES "${other_libs}") 784 # The default import library suffix that cmake uses for cygwin/mingw is 785 # ".dll.a", but for clang.exe that causes a collision with libclang.dll, 786 # where the import libraries of both get named libclang.dll.a. Use a suffix 787 # of ".exe.a" to avoid this. 788 if(CYGWIN OR MINGW) 789 set_target_properties(${target} PROPERTIES IMPORT_SUFFIX ".exe.a") 790 endif() 791 elseif(NOT (WIN32 OR CYGWIN)) 792 # On Windows auto-exporting everything doesn't work because of the limit on 793 # the size of the exported symbol table, but on other platforms we can do 794 # it without any trouble. 795 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 796 if (APPLE) 797 set_property(TARGET ${target} APPEND_STRING PROPERTY 798 LINK_FLAGS " -rdynamic") 799 endif() 800 endif() 801endfunction() 802 803if(NOT LLVM_TOOLCHAIN_TOOLS) 804 set (LLVM_TOOLCHAIN_TOOLS 805 llvm-ar 806 llvm-ranlib 807 llvm-lib 808 llvm-objdump 809 ) 810endif() 811 812macro(add_llvm_tool name) 813 if( NOT LLVM_BUILD_TOOLS ) 814 set(EXCLUDE_FROM_ALL ON) 815 endif() 816 add_llvm_executable(${name} ${ARGN}) 817 818 if ( ${name} IN_LIST LLVM_TOOLCHAIN_TOOLS OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 819 if( LLVM_BUILD_TOOLS ) 820 if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR 821 NOT LLVM_DISTRIBUTION_COMPONENTS) 822 set(export_to_llvmexports EXPORT LLVMExports) 823 set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True) 824 endif() 825 826 install(TARGETS ${name} 827 ${export_to_llvmexports} 828 RUNTIME DESTINATION ${LLVM_TOOLS_INSTALL_DIR} 829 COMPONENT ${name}) 830 831 if (NOT CMAKE_CONFIGURATION_TYPES) 832 add_custom_target(install-${name} 833 DEPENDS ${name} 834 COMMAND "${CMAKE_COMMAND}" 835 -DCMAKE_INSTALL_COMPONENT=${name} 836 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") 837 endif() 838 endif() 839 endif() 840 if( LLVM_BUILD_TOOLS ) 841 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 842 endif() 843 set_target_properties(${name} PROPERTIES FOLDER "Tools") 844endmacro(add_llvm_tool name) 845 846 847macro(add_llvm_example name) 848 if( NOT LLVM_BUILD_EXAMPLES ) 849 set(EXCLUDE_FROM_ALL ON) 850 endif() 851 add_llvm_executable(${name} ${ARGN}) 852 if( LLVM_BUILD_EXAMPLES ) 853 install(TARGETS ${name} RUNTIME DESTINATION examples) 854 endif() 855 set_target_properties(${name} PROPERTIES FOLDER "Examples") 856endmacro(add_llvm_example name) 857 858# This is a macro that is used to create targets for executables that are needed 859# for development, but that are not intended to be installed by default. 860macro(add_llvm_utility name) 861 if ( NOT LLVM_BUILD_UTILS ) 862 set(EXCLUDE_FROM_ALL ON) 863 endif() 864 865 add_llvm_executable(${name} DISABLE_LLVM_LINK_LLVM_DYLIB ${ARGN}) 866 set_target_properties(${name} PROPERTIES FOLDER "Utils") 867 if( LLVM_INSTALL_UTILS AND LLVM_BUILD_UTILS ) 868 install (TARGETS ${name} 869 RUNTIME DESTINATION bin 870 COMPONENT ${name}) 871 if (NOT CMAKE_CONFIGURATION_TYPES) 872 add_custom_target(install-${name} 873 DEPENDS ${name} 874 COMMAND "${CMAKE_COMMAND}" 875 -DCMAKE_INSTALL_COMPONENT=${name} 876 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") 877 endif() 878 endif() 879endmacro(add_llvm_utility name) 880 881 882macro(add_llvm_target target_name) 883 include_directories(BEFORE 884 ${CMAKE_CURRENT_BINARY_DIR} 885 ${CMAKE_CURRENT_SOURCE_DIR}) 886 add_llvm_library(LLVM${target_name} ${ARGN}) 887 set( CURRENT_LLVM_TARGET LLVM${target_name} ) 888endmacro(add_llvm_target) 889 890function(canonicalize_tool_name name output) 891 string(REPLACE "${CMAKE_CURRENT_SOURCE_DIR}/" "" nameStrip ${name}) 892 string(REPLACE "-" "_" nameUNDERSCORE ${nameStrip}) 893 string(TOUPPER ${nameUNDERSCORE} nameUPPER) 894 set(${output} "${nameUPPER}" PARENT_SCOPE) 895endfunction(canonicalize_tool_name) 896 897# Custom add_subdirectory wrapper 898# Takes in a project name (i.e. LLVM), the subdirectory name, and an optional 899# path if it differs from the name. 900macro(add_llvm_subdirectory project type name) 901 set(add_llvm_external_dir "${ARGN}") 902 if("${add_llvm_external_dir}" STREQUAL "") 903 set(add_llvm_external_dir ${name}) 904 endif() 905 canonicalize_tool_name(${name} nameUPPER) 906 if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}/CMakeLists.txt) 907 # Treat it as in-tree subproject. 908 option(${project}_${type}_${nameUPPER}_BUILD 909 "Whether to build ${name} as part of ${project}" On) 910 mark_as_advanced(${project}_${type}_${name}_BUILD) 911 if(${project}_${type}_${nameUPPER}_BUILD) 912 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir} ${add_llvm_external_dir}) 913 # Don't process it in add_llvm_implicit_projects(). 914 set(${project}_${type}_${nameUPPER}_BUILD OFF) 915 endif() 916 else() 917 set(LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR 918 "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" 919 CACHE PATH "Path to ${name} source directory") 920 set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT ON) 921 if(NOT LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR OR NOT EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}) 922 set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT OFF) 923 endif() 924 if("${LLVM_EXTERNAL_${nameUPPER}_BUILD}" STREQUAL "OFF") 925 set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT OFF) 926 endif() 927 option(${project}_${type}_${nameUPPER}_BUILD 928 "Whether to build ${name} as part of LLVM" 929 ${${project}_${type}_${nameUPPER}_BUILD_DEFAULT}) 930 if (${project}_${type}_${nameUPPER}_BUILD) 931 if(EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}) 932 add_subdirectory(${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} ${add_llvm_external_dir}) 933 elseif(NOT "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" STREQUAL "") 934 message(WARNING "Nonexistent directory for ${name}: ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}") 935 endif() 936 # FIXME: It'd be redundant. 937 set(${project}_${type}_${nameUPPER}_BUILD Off) 938 endif() 939 endif() 940endmacro() 941 942# Add external project that may want to be built as part of llvm such as Clang, 943# lld, and Polly. This adds two options. One for the source directory of the 944# project, which defaults to ${CMAKE_CURRENT_SOURCE_DIR}/${name}. Another to 945# enable or disable building it with everything else. 946# Additional parameter can be specified as the name of directory. 947macro(add_llvm_external_project name) 948 add_llvm_subdirectory(LLVM TOOL ${name} ${ARGN}) 949endmacro() 950 951macro(add_llvm_tool_subdirectory name) 952 add_llvm_external_project(${name}) 953endmacro(add_llvm_tool_subdirectory) 954 955function(get_project_name_from_src_var var output) 956 string(REGEX MATCH "LLVM_EXTERNAL_(.*)_SOURCE_DIR" 957 MACHED_TOOL "${var}") 958 if(MACHED_TOOL) 959 set(${output} ${CMAKE_MATCH_1} PARENT_SCOPE) 960 else() 961 set(${output} PARENT_SCOPE) 962 endif() 963endfunction() 964 965function(create_subdirectory_options project type) 966 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") 967 foreach(dir ${sub-dirs}) 968 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt") 969 canonicalize_tool_name(${dir} name) 970 option(${project}_${type}_${name}_BUILD 971 "Whether to build ${name} as part of ${project}" On) 972 mark_as_advanced(${project}_${type}_${name}_BUILD) 973 endif() 974 endforeach() 975endfunction(create_subdirectory_options) 976 977function(create_llvm_tool_options) 978 create_subdirectory_options(LLVM TOOL) 979endfunction(create_llvm_tool_options) 980 981function(llvm_add_implicit_projects project) 982 set(list_of_implicit_subdirs "") 983 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") 984 foreach(dir ${sub-dirs}) 985 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt") 986 canonicalize_tool_name(${dir} name) 987 if (${project}_TOOL_${name}_BUILD) 988 get_filename_component(fn "${dir}" NAME) 989 list(APPEND list_of_implicit_subdirs "${fn}") 990 endif() 991 endif() 992 endforeach() 993 994 foreach(external_proj ${list_of_implicit_subdirs}) 995 add_llvm_subdirectory(${project} TOOL "${external_proj}" ${ARGN}) 996 endforeach() 997endfunction(llvm_add_implicit_projects) 998 999function(add_llvm_implicit_projects) 1000 llvm_add_implicit_projects(LLVM) 1001endfunction(add_llvm_implicit_projects) 1002 1003# Generic support for adding a unittest. 1004function(add_unittest test_suite test_name) 1005 if( NOT LLVM_BUILD_TESTS ) 1006 set(EXCLUDE_FROM_ALL ON) 1007 endif() 1008 1009 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include) 1010 if (NOT LLVM_ENABLE_THREADS) 1011 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_PTHREAD=0) 1012 endif () 1013 1014 if (SUPPORTS_NO_VARIADIC_MACROS_FLAG) 1015 list(APPEND LLVM_COMPILE_FLAGS "-Wno-variadic-macros") 1016 endif () 1017 1018 set(LLVM_REQUIRES_RTTI OFF) 1019 1020 list(APPEND LLVM_LINK_COMPONENTS Support) # gtest needs it for raw_ostream 1021 add_llvm_executable(${test_name} IGNORE_EXTERNALIZE_DEBUGINFO NO_INSTALL_RPATH ${ARGN}) 1022 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}) 1023 set_output_directory(${test_name} BINARY_DIR ${outdir} LIBRARY_DIR ${outdir}) 1024 # libpthreads overrides some standard library symbols, so main 1025 # executable must be linked with it in order to provide consistent 1026 # API for all shared libaries loaded by this executable. 1027 target_link_libraries(${test_name} gtest_main gtest ${PTHREAD_LIB}) 1028 1029 add_dependencies(${test_suite} ${test_name}) 1030 get_target_property(test_suite_folder ${test_suite} FOLDER) 1031 if (NOT ${test_suite_folder} STREQUAL "NOTFOUND") 1032 set_property(TARGET ${test_name} PROPERTY FOLDER "${test_suite_folder}") 1033 endif () 1034endfunction() 1035 1036function(llvm_add_go_executable binary pkgpath) 1037 cmake_parse_arguments(ARG "ALL" "" "DEPENDS;GOFLAGS" ${ARGN}) 1038 1039 if(LLVM_BINDINGS MATCHES "go") 1040 # FIXME: This should depend only on the libraries Go needs. 1041 get_property(llvmlibs GLOBAL PROPERTY LLVM_LIBS) 1042 set(binpath ${CMAKE_BINARY_DIR}/bin/${binary}${CMAKE_EXECUTABLE_SUFFIX}) 1043 set(cc "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}") 1044 set(cxx "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}") 1045 set(cppflags "") 1046 get_property(include_dirs DIRECTORY PROPERTY INCLUDE_DIRECTORIES) 1047 foreach(d ${include_dirs}) 1048 set(cppflags "${cppflags} -I${d}") 1049 endforeach(d) 1050 set(ldflags "${CMAKE_EXE_LINKER_FLAGS}") 1051 add_custom_command(OUTPUT ${binpath} 1052 COMMAND ${CMAKE_BINARY_DIR}/bin/llvm-go "go=${GO_EXECUTABLE}" "cc=${cc}" "cxx=${cxx}" "cppflags=${cppflags}" "ldflags=${ldflags}" "packages=${LLVM_GO_PACKAGES}" 1053 ${ARG_GOFLAGS} build -o ${binpath} ${pkgpath} 1054 DEPENDS llvm-config ${CMAKE_BINARY_DIR}/bin/llvm-go${CMAKE_EXECUTABLE_SUFFIX} 1055 ${llvmlibs} ${ARG_DEPENDS} 1056 COMMENT "Building Go executable ${binary}" 1057 VERBATIM) 1058 if (ARG_ALL) 1059 add_custom_target(${binary} ALL DEPENDS ${binpath}) 1060 else() 1061 add_custom_target(${binary} DEPENDS ${binpath}) 1062 endif() 1063 endif() 1064endfunction() 1065 1066# This function provides an automatic way to 'configure'-like generate a file 1067# based on a set of common and custom variables, specifically targeting the 1068# variables needed for the 'lit.site.cfg' files. This function bundles the 1069# common variables that any Lit instance is likely to need, and custom 1070# variables can be passed in. 1071function(configure_lit_site_cfg input output) 1072 foreach(c ${LLVM_TARGETS_TO_BUILD}) 1073 set(TARGETS_BUILT "${TARGETS_BUILT} ${c}") 1074 endforeach(c) 1075 set(TARGETS_TO_BUILD ${TARGETS_BUILT}) 1076 1077 set(SHLIBEXT "${LTDL_SHLIB_EXT}") 1078 1079 # Configuration-time: See Unit/lit.site.cfg.in 1080 if (CMAKE_CFG_INTDIR STREQUAL ".") 1081 set(LLVM_BUILD_MODE ".") 1082 else () 1083 set(LLVM_BUILD_MODE "%(build_mode)s") 1084 endif () 1085 1086 # They below might not be the build tree but provided binary tree. 1087 set(LLVM_SOURCE_DIR ${LLVM_MAIN_SRC_DIR}) 1088 set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR}) 1089 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_TOOLS_DIR ${LLVM_TOOLS_BINARY_DIR}) 1090 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_LIBS_DIR ${LLVM_LIBRARY_DIR}) 1091 1092 # SHLIBDIR points the build tree. 1093 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} SHLIBDIR "${LLVM_SHLIB_OUTPUT_INTDIR}") 1094 1095 set(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE}) 1096 # FIXME: "ENABLE_SHARED" doesn't make sense, since it is used just for 1097 # plugins. We may rename it. 1098 if(LLVM_ENABLE_PLUGINS) 1099 set(ENABLE_SHARED "1") 1100 else() 1101 set(ENABLE_SHARED "0") 1102 endif() 1103 1104 if(LLVM_ENABLE_ASSERTIONS AND NOT MSVC_IDE) 1105 set(ENABLE_ASSERTIONS "1") 1106 else() 1107 set(ENABLE_ASSERTIONS "0") 1108 endif() 1109 1110 set(HOST_OS ${CMAKE_SYSTEM_NAME}) 1111 set(HOST_ARCH ${CMAKE_SYSTEM_PROCESSOR}) 1112 1113 set(HOST_CC "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}") 1114 set(HOST_CXX "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}") 1115 set(HOST_LDFLAGS "${CMAKE_EXE_LINKER_FLAGS}") 1116 1117 set(LIT_SITE_CFG_IN_HEADER "## Autogenerated from ${input}\n## Do not edit!") 1118 1119 configure_file(${input} ${output} @ONLY) 1120endfunction() 1121 1122# A raw function to create a lit target. This is used to implement the testuite 1123# management functions. 1124function(add_lit_target target comment) 1125 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1126 set(LIT_ARGS "${ARG_ARGS} ${LLVM_LIT_ARGS}") 1127 separate_arguments(LIT_ARGS) 1128 if (NOT CMAKE_CFG_INTDIR STREQUAL ".") 1129 list(APPEND LIT_ARGS --param build_mode=${CMAKE_CFG_INTDIR}) 1130 endif () 1131 if (EXISTS ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py) 1132 # reset cache after erraneous r283029 1133 # TODO: remove this once all buildbots run 1134 if (LIT_COMMAND STREQUAL "${PYTHON_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py") 1135 unset(LIT_COMMAND CACHE) 1136 endif() 1137 set (LIT_COMMAND "${PYTHON_EXECUTABLE};${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py" 1138 CACHE STRING "Command used to spawn llvm-lit") 1139 else() 1140 find_program(LIT_COMMAND NAMES llvm-lit lit.py lit) 1141 endif () 1142 list(APPEND LIT_COMMAND ${LIT_ARGS}) 1143 foreach(param ${ARG_PARAMS}) 1144 list(APPEND LIT_COMMAND --param ${param}) 1145 endforeach() 1146 if (ARG_UNPARSED_ARGUMENTS) 1147 add_custom_target(${target} 1148 COMMAND ${LIT_COMMAND} ${ARG_UNPARSED_ARGUMENTS} 1149 COMMENT "${comment}" 1150 USES_TERMINAL 1151 ) 1152 else() 1153 add_custom_target(${target} 1154 COMMAND ${CMAKE_COMMAND} -E echo "${target} does nothing, no tools built.") 1155 message(STATUS "${target} does nothing.") 1156 endif() 1157 if (ARG_DEPENDS) 1158 add_dependencies(${target} ${ARG_DEPENDS}) 1159 endif() 1160 1161 # Tests should be excluded from "Build Solution". 1162 set_target_properties(${target} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD ON) 1163endfunction() 1164 1165# A function to add a set of lit test suites to be driven through 'check-*' targets. 1166function(add_lit_testsuite target comment) 1167 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1168 1169 # EXCLUDE_FROM_ALL excludes the test ${target} out of check-all. 1170 if(NOT EXCLUDE_FROM_ALL) 1171 # Register the testsuites, params and depends for the global check rule. 1172 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_TESTSUITES ${ARG_UNPARSED_ARGUMENTS}) 1173 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_PARAMS ${ARG_PARAMS}) 1174 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_DEPENDS ${ARG_DEPENDS}) 1175 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_EXTRA_ARGS ${ARG_ARGS}) 1176 endif() 1177 1178 # Produce a specific suffixed check rule. 1179 add_lit_target(${target} ${comment} 1180 ${ARG_UNPARSED_ARGUMENTS} 1181 PARAMS ${ARG_PARAMS} 1182 DEPENDS ${ARG_DEPENDS} 1183 ARGS ${ARG_ARGS} 1184 ) 1185endfunction() 1186 1187function(add_lit_testsuites project directory) 1188 if (NOT CMAKE_CONFIGURATION_TYPES) 1189 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1190 1191 # Search recursively for test directories by assuming anything not 1192 # in a directory called Inputs contains tests. 1193 file(GLOB_RECURSE to_process LIST_DIRECTORIES true ${directory}/*) 1194 foreach(lit_suite ${to_process}) 1195 if(NOT IS_DIRECTORY ${lit_suite}) 1196 continue() 1197 endif() 1198 string(FIND ${lit_suite} Inputs is_inputs) 1199 string(FIND ${lit_suite} Output is_output) 1200 if (NOT (is_inputs EQUAL -1 AND is_output EQUAL -1)) 1201 continue() 1202 endif() 1203 1204 # Create a check- target for the directory. 1205 string(REPLACE ${directory} "" name_slash ${lit_suite}) 1206 if (name_slash) 1207 string(REPLACE "/" "-" name_slash ${name_slash}) 1208 string(REPLACE "\\" "-" name_dashes ${name_slash}) 1209 string(TOLOWER "${project}${name_dashes}" name_var) 1210 add_lit_target("check-${name_var}" "Running lit suite ${lit_suite}" 1211 ${lit_suite} 1212 PARAMS ${ARG_PARAMS} 1213 DEPENDS ${ARG_DEPENDS} 1214 ARGS ${ARG_ARGS} 1215 ) 1216 endif() 1217 endforeach() 1218 endif() 1219endfunction() 1220 1221function(llvm_install_library_symlink name dest type) 1222 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "COMPONENT" "" ${ARGN}) 1223 foreach(path ${CMAKE_MODULE_PATH}) 1224 if(EXISTS ${path}/LLVMInstallSymlink.cmake) 1225 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake) 1226 break() 1227 endif() 1228 endforeach() 1229 1230 set(component ${ARG_COMPONENT}) 1231 if(NOT component) 1232 set(component ${name}) 1233 endif() 1234 1235 set(full_name ${CMAKE_${type}_LIBRARY_PREFIX}${name}${CMAKE_${type}_LIBRARY_SUFFIX}) 1236 set(full_dest ${CMAKE_${type}_LIBRARY_PREFIX}${dest}${CMAKE_${type}_LIBRARY_SUFFIX}) 1237 1238 set(output_dir lib${LLVM_LIBDIR_SUFFIX}) 1239 if(WIN32 AND "${type}" STREQUAL "SHARED") 1240 set(output_dir bin) 1241 endif() 1242 1243 install(SCRIPT ${INSTALL_SYMLINK} 1244 CODE "install_symlink(${full_name} ${full_dest} ${output_dir})" 1245 COMPONENT ${component}) 1246 1247 if (NOT CMAKE_CONFIGURATION_TYPES AND NOT ARG_ALWAYS_GENERATE) 1248 add_custom_target(install-${name} 1249 DEPENDS ${name} ${dest} install-${dest} 1250 COMMAND "${CMAKE_COMMAND}" 1251 -DCMAKE_INSTALL_COMPONENT=${name} 1252 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") 1253 endif() 1254endfunction() 1255 1256function(llvm_install_symlink name dest) 1257 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "COMPONENT" "" ${ARGN}) 1258 foreach(path ${CMAKE_MODULE_PATH}) 1259 if(EXISTS ${path}/LLVMInstallSymlink.cmake) 1260 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake) 1261 break() 1262 endif() 1263 endforeach() 1264 1265 if(ARG_COMPONENT) 1266 set(component ${ARG_COMPONENT}) 1267 else() 1268 if(ARG_ALWAYS_GENERATE) 1269 set(component ${dest}) 1270 else() 1271 set(component ${name}) 1272 endif() 1273 endif() 1274 1275 set(full_name ${name}${CMAKE_EXECUTABLE_SUFFIX}) 1276 set(full_dest ${dest}${CMAKE_EXECUTABLE_SUFFIX}) 1277 1278 install(SCRIPT ${INSTALL_SYMLINK} 1279 CODE "install_symlink(${full_name} ${full_dest} ${LLVM_TOOLS_INSTALL_DIR})" 1280 COMPONENT ${component}) 1281 1282 if (NOT CMAKE_CONFIGURATION_TYPES AND NOT ARG_ALWAYS_GENERATE) 1283 add_custom_target(install-${name} 1284 DEPENDS ${name} ${dest} install-${dest} 1285 COMMAND "${CMAKE_COMMAND}" 1286 -DCMAKE_INSTALL_COMPONENT=${name} 1287 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") 1288 endif() 1289endfunction() 1290 1291function(add_llvm_tool_symlink link_name target) 1292 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "OUTPUT_DIR" "" ${ARGN}) 1293 # This got a bit gross... For multi-configuration generators the target 1294 # properties return the resolved value of the string, not the build system 1295 # expression. To reconstruct the platform-agnostic path we have to do some 1296 # magic. First we grab one of the types, and a type-specific path. Then from 1297 # the type-specific path we find the last occurrence of the type in the path, 1298 # and replace it with CMAKE_CFG_INTDIR. This allows the build step to be type 1299 # agnostic again. 1300 if(NOT ARG_OUTPUT_DIR) 1301 if(CMAKE_CONFIGURATION_TYPES) 1302 list(GET CMAKE_CONFIGURATION_TYPES 0 first_type) 1303 string(TOUPPER ${first_type} first_type_upper) 1304 set(first_type_suffix _${first_type_upper}) 1305 endif() 1306 get_target_property(target_type ${target} TYPE) 1307 if(${target_type} STREQUAL "STATIC_LIBRARY") 1308 get_target_property(ARG_OUTPUT_DIR ${target} ARCHIVE_OUTPUT_DIRECTORY${first_type_suffix}) 1309 elseif(UNIX AND ${target_type} STREQUAL "SHARED_LIBRARY") 1310 get_target_property(ARG_OUTPUT_DIR ${target} LIBRARY_OUTPUT_DIRECTORY${first_type_suffix}) 1311 else() 1312 get_target_property(ARG_OUTPUT_DIR ${target} RUNTIME_OUTPUT_DIRECTORY${first_type_suffix}) 1313 endif() 1314 if(CMAKE_CONFIGURATION_TYPES) 1315 string(FIND "${ARG_OUTPUT_DIR}" "/${first_type}/" type_start REVERSE) 1316 string(SUBSTRING "${ARG_OUTPUT_DIR}" 0 ${type_start} path_prefix) 1317 string(SUBSTRING "${ARG_OUTPUT_DIR}" ${type_start} -1 path_suffix) 1318 string(REPLACE "/${first_type}/" "/${CMAKE_CFG_INTDIR}/" 1319 path_suffix ${path_suffix}) 1320 set(ARG_OUTPUT_DIR ${path_prefix}${path_suffix}) 1321 endif() 1322 endif() 1323 1324 if(UNIX) 1325 set(LLVM_LINK_OR_COPY create_symlink) 1326 set(dest_binary "$<TARGET_FILE_NAME:${target}>") 1327 else() 1328 set(LLVM_LINK_OR_COPY copy) 1329 set(dest_binary "$<TARGET_FILE:${target}>") 1330 endif() 1331 1332 set(output_path "${ARG_OUTPUT_DIR}/${link_name}${CMAKE_EXECUTABLE_SUFFIX}") 1333 1334 set(target_name ${link_name}) 1335 if(TARGET ${link_name}) 1336 set(target_name ${link_name}-link) 1337 endif() 1338 1339 1340 if(ARG_ALWAYS_GENERATE) 1341 set_property(DIRECTORY APPEND PROPERTY 1342 ADDITIONAL_MAKE_CLEAN_FILES ${dest_binary}) 1343 add_custom_command(TARGET ${target} POST_BUILD 1344 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}") 1345 else() 1346 add_custom_command(OUTPUT ${output_path} 1347 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}" 1348 DEPENDS ${target}) 1349 add_custom_target(${target_name} ALL DEPENDS ${target} ${output_path}) 1350 set_target_properties(${target_name} PROPERTIES FOLDER Tools) 1351 1352 # Make sure both the link and target are toolchain tools 1353 if (${link_name} IN_LIST LLVM_TOOLCHAIN_TOOLS AND ${target} IN_LIST LLVM_TOOLCHAIN_TOOLS) 1354 set(TOOL_IS_TOOLCHAIN ON) 1355 endif() 1356 1357 if ((TOOL_IS_TOOLCHAIN OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) AND LLVM_BUILD_TOOLS) 1358 llvm_install_symlink(${link_name} ${target}) 1359 endif() 1360 endif() 1361endfunction() 1362 1363function(llvm_externalize_debuginfo name) 1364 if(NOT LLVM_EXTERNALIZE_DEBUGINFO) 1365 return() 1366 endif() 1367 1368 if(NOT LLVM_EXTERNALIZE_DEBUGINFO_SKIP_STRIP) 1369 set(strip_command COMMAND xcrun strip -Sxl $<TARGET_FILE:${name}>) 1370 endif() 1371 1372 if(APPLE) 1373 if(CMAKE_CXX_FLAGS MATCHES "-flto" 1374 OR CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE} MATCHES "-flto") 1375 1376 set(lto_object ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${name}-lto.o) 1377 set_property(TARGET ${name} APPEND_STRING PROPERTY 1378 LINK_FLAGS " -Wl,-object_path_lto,${lto_object}") 1379 endif() 1380 add_custom_command(TARGET ${name} POST_BUILD 1381 COMMAND xcrun dsymutil $<TARGET_FILE:${name}> 1382 ${strip_command} 1383 ) 1384 else() 1385 message(FATAL_ERROR "LLVM_EXTERNALIZE_DEBUGINFO isn't implemented for non-darwin platforms!") 1386 endif() 1387endfunction() 1388 1389function(llvm_setup_rpath name) 1390 if(CMAKE_INSTALL_RPATH) 1391 return() 1392 endif() 1393 1394 if(LLVM_INSTALL_PREFIX AND NOT (LLVM_INSTALL_PREFIX STREQUAL CMAKE_INSTALL_PREFIX)) 1395 set(extra_libdir ${LLVM_LIBRARY_DIR}) 1396 elseif(LLVM_BUILD_LIBRARY_DIR) 1397 set(extra_libdir ${LLVM_LIBRARY_DIR}) 1398 endif() 1399 1400 if (APPLE) 1401 set(_install_name_dir INSTALL_NAME_DIR "@rpath") 1402 set(_install_rpath "@loader_path/../lib" ${extra_libdir}) 1403 elseif(UNIX) 1404 set(_install_rpath "\$ORIGIN/../lib${LLVM_LIBDIR_SUFFIX}" ${extra_libdir}) 1405 if(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)") 1406 set_property(TARGET ${name} APPEND_STRING PROPERTY 1407 LINK_FLAGS " -Wl,-z,origin ") 1408 elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Linux" AND NOT LLVM_LINKER_IS_GOLD) 1409 # $ORIGIN is not interpreted at link time by ld.bfd 1410 set_property(TARGET ${name} APPEND_STRING PROPERTY 1411 LINK_FLAGS " -Wl,-rpath-link,${LLVM_LIBRARY_OUTPUT_INTDIR} ") 1412 endif() 1413 else() 1414 return() 1415 endif() 1416 1417 set_target_properties(${name} PROPERTIES 1418 BUILD_WITH_INSTALL_RPATH On 1419 INSTALL_RPATH "${_install_rpath}" 1420 ${_install_name_dir}) 1421endfunction() 1422 1423function(setup_dependency_debugging name) 1424 if(NOT LLVM_DEPENDENCY_DEBUGGING) 1425 return() 1426 endif() 1427 1428 if("intrinsics_gen" IN_LIST ARGN) 1429 return() 1430 endif() 1431 1432 set(deny_attributes_gen "(deny file* (literal \"${LLVM_BINARY_DIR}/include/llvm/IR/Attributes.gen\"))") 1433 set(deny_intrinsics_gen "(deny file* (literal \"${LLVM_BINARY_DIR}/include/llvm/IR/Intrinsics.gen\"))") 1434 1435 set(sandbox_command "sandbox-exec -p '(version 1) (allow default) ${deny_attributes_gen} ${deny_intrinsics_gen}'") 1436 set_target_properties(${name} PROPERTIES RULE_LAUNCH_COMPILE ${sandbox_command}) 1437endfunction() 1438