1 include(LLVMProcessSources) 2 include(LLVM-Config) 3 include(DetermineGCCCompatible) 4 5 function(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 ${LLVM_COMPILE_DEFINITIONS}) 65 endfunction() 66 67 function(add_llvm_symbol_exports target_name export_file) 68 if(${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 ${target_name}") 94 if (${CMAKE_SYSTEM_NAME} MATCHES "SunOS") 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) 148 endfunction(add_llvm_symbol_exports) 149 150 if(NOT WIN32 AND NOT APPLE) 151 execute_process( 152 COMMAND ${CMAKE_C_COMPILER} -Wl,--version 153 OUTPUT_VARIABLE stdout 154 ERROR_QUIET 155 ) 156 if("${stdout}" MATCHES "GNU gold") 157 set(LLVM_LINKER_IS_GOLD ON) 158 endif() 159 endif() 160 161 function(add_link_opts target_name) 162 # Don't use linker optimizations in debug builds since it slows down the 163 # linker in a context where the optimizations are not important. 164 if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG") 165 166 # Pass -O3 to the linker. This enabled different optimizations on different 167 # linkers. 168 if(NOT (${CMAKE_SYSTEM_NAME} MATCHES "Darwin|SunOS|AIX" OR WIN32)) 169 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 170 LINK_FLAGS " -Wl,-O3") 171 endif() 172 173 if(LLVM_LINKER_IS_GOLD) 174 # With gold gc-sections is always safe. 175 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 176 LINK_FLAGS " -Wl,--gc-sections") 177 # Note that there is a bug with -Wl,--icf=safe so it is not safe 178 # to enable. See https://sourceware.org/bugzilla/show_bug.cgi?id=17704. 179 endif() 180 181 if(NOT LLVM_NO_DEAD_STRIP) 182 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") 183 # ld64's implementation of -dead_strip breaks tools that use plugins. 184 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 185 LINK_FLAGS " -Wl,-dead_strip") 186 elseif(${CMAKE_SYSTEM_NAME} MATCHES "SunOS") 187 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 188 LINK_FLAGS " -Wl,-z -Wl,discard-unused=sections") 189 elseif(NOT WIN32 AND NOT LLVM_LINKER_IS_GOLD) 190 # Object files are compiled with -ffunction-data-sections. 191 # Versions of bfd ld < 2.23.1 have a bug in --gc-sections that breaks 192 # tools that use plugins. Always pass --gc-sections once we require 193 # a newer linker. 194 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 195 LINK_FLAGS " -Wl,--gc-sections") 196 endif() 197 endif() 198 endif() 199 endfunction(add_link_opts) 200 201 # Set each output directory according to ${CMAKE_CONFIGURATION_TYPES}. 202 # Note: Don't set variables CMAKE_*_OUTPUT_DIRECTORY any more, 203 # or a certain builder, for eaxample, msbuild.exe, would be confused. 204 function(set_output_directory target) 205 cmake_parse_arguments(ARG "" "BINARY_DIR;LIBRARY_DIR" "" ${ARGN}) 206 207 # module_dir -- corresponding to LIBRARY_OUTPUT_DIRECTORY. 208 # It affects output of add_library(MODULE). 209 if(WIN32 OR CYGWIN) 210 # DLL platform 211 set(module_dir ${ARG_BINARY_DIR}) 212 else() 213 set(module_dir ${ARG_LIBRARY_DIR}) 214 endif() 215 if(NOT "${CMAKE_CFG_INTDIR}" STREQUAL ".") 216 foreach(build_mode ${CMAKE_CONFIGURATION_TYPES}) 217 string(TOUPPER "${build_mode}" CONFIG_SUFFIX) 218 if(ARG_BINARY_DIR) 219 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} bi ${ARG_BINARY_DIR}) 220 set_target_properties(${target} PROPERTIES "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${bi}) 221 endif() 222 if(ARG_LIBRARY_DIR) 223 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} li ${ARG_LIBRARY_DIR}) 224 set_target_properties(${target} PROPERTIES "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${li}) 225 endif() 226 if(module_dir) 227 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} mi ${module_dir}) 228 set_target_properties(${target} PROPERTIES "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${mi}) 229 endif() 230 endforeach() 231 else() 232 if(ARG_BINARY_DIR) 233 set_target_properties(${target} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${ARG_BINARY_DIR}) 234 endif() 235 if(ARG_LIBRARY_DIR) 236 set_target_properties(${target} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${ARG_LIBRARY_DIR}) 237 endif() 238 if(module_dir) 239 set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${module_dir}) 240 endif() 241 endif() 242 endfunction() 243 244 # If on Windows and building with MSVC, add the resource script containing the 245 # VERSIONINFO data to the project. This embeds version resource information 246 # into the output .exe or .dll. 247 # TODO: Enable for MinGW Windows builds too. 248 # 249 function(add_windows_version_resource_file OUT_VAR) 250 set(sources ${ARGN}) 251 if (MSVC) 252 set(resource_file ${LLVM_SOURCE_DIR}/resources/windows_version_resource.rc) 253 if(EXISTS ${resource_file}) 254 set(sources ${sources} ${resource_file}) 255 source_group("Resource Files" ${resource_file}) 256 set(windows_resource_file ${resource_file} PARENT_SCOPE) 257 endif() 258 endif(MSVC) 259 260 set(${OUT_VAR} ${sources} PARENT_SCOPE) 261 endfunction(add_windows_version_resource_file) 262 263 # set_windows_version_resource_properties(name resource_file... 264 # VERSION_MAJOR int 265 # Optional major version number (defaults to LLVM_VERSION_MAJOR) 266 # VERSION_MINOR int 267 # Optional minor version number (defaults to LLVM_VERSION_MINOR) 268 # VERSION_PATCHLEVEL int 269 # Optional patchlevel version number (defaults to LLVM_VERSION_PATCH) 270 # VERSION_STRING 271 # Optional version string (defaults to PACKAGE_VERSION) 272 # PRODUCT_NAME 273 # Optional product name string (defaults to "LLVM") 274 # ) 275 function(set_windows_version_resource_properties name resource_file) 276 cmake_parse_arguments(ARG 277 "" 278 "VERSION_MAJOR;VERSION_MINOR;VERSION_PATCHLEVEL;VERSION_STRING;PRODUCT_NAME" 279 "" 280 ${ARGN}) 281 282 if (NOT DEFINED ARG_VERSION_MAJOR) 283 set(ARG_VERSION_MAJOR ${LLVM_VERSION_MAJOR}) 284 endif() 285 286 if (NOT DEFINED ARG_VERSION_MINOR) 287 set(ARG_VERSION_MINOR ${LLVM_VERSION_MINOR}) 288 endif() 289 290 if (NOT DEFINED ARG_VERSION_PATCHLEVEL) 291 set(ARG_VERSION_PATCHLEVEL ${LLVM_VERSION_PATCH}) 292 endif() 293 294 if (NOT DEFINED ARG_VERSION_STRING) 295 set(ARG_VERSION_STRING ${PACKAGE_VERSION}) 296 endif() 297 298 if (NOT DEFINED ARG_PRODUCT_NAME) 299 set(ARG_PRODUCT_NAME "LLVM") 300 endif() 301 302 set_property(SOURCE ${resource_file} 303 PROPERTY COMPILE_FLAGS /nologo) 304 set_property(SOURCE ${resource_file} 305 PROPERTY COMPILE_DEFINITIONS 306 "RC_VERSION_FIELD_1=${ARG_VERSION_MAJOR}" 307 "RC_VERSION_FIELD_2=${ARG_VERSION_MINOR}" 308 "RC_VERSION_FIELD_3=${ARG_VERSION_PATCHLEVEL}" 309 "RC_VERSION_FIELD_4=0" 310 "RC_FILE_VERSION=\"${ARG_VERSION_STRING}\"" 311 "RC_INTERNAL_NAME=\"${name}\"" 312 "RC_PRODUCT_NAME=\"${ARG_PRODUCT_NAME}\"" 313 "RC_PRODUCT_VERSION=\"${ARG_VERSION_STRING}\"") 314 endfunction(set_windows_version_resource_properties) 315 316 # llvm_add_library(name sources... 317 # SHARED;STATIC 318 # STATIC by default w/o BUILD_SHARED_LIBS. 319 # SHARED by default w/ BUILD_SHARED_LIBS. 320 # OBJECT 321 # Also create an OBJECT library target. Default if STATIC && SHARED. 322 # MODULE 323 # Target ${name} might not be created on unsupported platforms. 324 # Check with "if(TARGET ${name})". 325 # DISABLE_LLVM_LINK_LLVM_DYLIB 326 # Do not link this library to libLLVM, even if 327 # LLVM_LINK_LLVM_DYLIB is enabled. 328 # OUTPUT_NAME name 329 # Corresponds to OUTPUT_NAME in target properties. 330 # DEPENDS targets... 331 # Same semantics as add_dependencies(). 332 # LINK_COMPONENTS components... 333 # Same as the variable LLVM_LINK_COMPONENTS. 334 # LINK_LIBS lib_targets... 335 # Same semantics as target_link_libraries(). 336 # ADDITIONAL_HEADERS 337 # May specify header files for IDE generators. 338 # SONAME 339 # Should set SONAME link flags and create symlinks 340 # PLUGIN_TOOL 341 # The tool (i.e. cmake target) that this plugin will link against 342 # ) 343 function(llvm_add_library name) 344 cmake_parse_arguments(ARG 345 "MODULE;SHARED;STATIC;OBJECT;DISABLE_LLVM_LINK_LLVM_DYLIB;SONAME" 346 "OUTPUT_NAME;PLUGIN_TOOL" 347 "ADDITIONAL_HEADERS;DEPENDS;LINK_COMPONENTS;LINK_LIBS;OBJLIBS" 348 ${ARGN}) 349 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS}) 350 if(ARG_ADDITIONAL_HEADERS) 351 # Pass through ADDITIONAL_HEADERS. 352 set(ARG_ADDITIONAL_HEADERS ADDITIONAL_HEADERS ${ARG_ADDITIONAL_HEADERS}) 353 endif() 354 if(ARG_OBJLIBS) 355 set(ALL_FILES ${ARG_OBJLIBS}) 356 else() 357 llvm_process_sources(ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ${ARG_ADDITIONAL_HEADERS}) 358 endif() 359 360 if(ARG_MODULE) 361 if(ARG_SHARED OR ARG_STATIC) 362 message(WARNING "MODULE with SHARED|STATIC doesn't make sense.") 363 endif() 364 # Plugins that link against a tool are allowed even when plugins in general are not 365 if(NOT LLVM_ENABLE_PLUGINS AND NOT (ARG_PLUGIN_TOOL AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS)) 366 message(STATUS "${name} ignored -- Loadable modules not supported on this platform.") 367 return() 368 endif() 369 else() 370 if(ARG_PLUGIN_TOOL) 371 message(WARNING "PLUGIN_TOOL without MODULE doesn't make sense.") 372 endif() 373 if(BUILD_SHARED_LIBS AND NOT ARG_STATIC) 374 set(ARG_SHARED TRUE) 375 endif() 376 if(NOT ARG_SHARED) 377 set(ARG_STATIC TRUE) 378 endif() 379 endif() 380 381 # Generate objlib 382 if((ARG_SHARED AND ARG_STATIC) OR ARG_OBJECT) 383 # Generate an obj library for both targets. 384 set(obj_name "obj.${name}") 385 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL 386 ${ALL_FILES} 387 ) 388 llvm_update_compile_flags(${obj_name}) 389 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>") 390 391 # Do add_dependencies(obj) later due to CMake issue 14747. 392 list(APPEND objlibs ${obj_name}) 393 394 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") 395 endif() 396 397 if(ARG_SHARED AND ARG_STATIC) 398 # static 399 set(name_static "${name}_static") 400 if(ARG_OUTPUT_NAME) 401 set(output_name OUTPUT_NAME "${ARG_OUTPUT_NAME}") 402 endif() 403 # DEPENDS has been appended to LLVM_COMMON_LIBS. 404 llvm_add_library(${name_static} STATIC 405 ${output_name} 406 OBJLIBS ${ALL_FILES} # objlib 407 LINK_LIBS ${ARG_LINK_LIBS} 408 LINK_COMPONENTS ${ARG_LINK_COMPONENTS} 409 ) 410 # FIXME: Add name_static to anywhere in TARGET ${name}'s PROPERTY. 411 set(ARG_STATIC) 412 endif() 413 414 if(ARG_MODULE) 415 add_library(${name} MODULE ${ALL_FILES}) 416 llvm_setup_rpath(${name}) 417 elseif(ARG_SHARED) 418 add_windows_version_resource_file(ALL_FILES ${ALL_FILES}) 419 add_library(${name} SHARED ${ALL_FILES}) 420 421 llvm_setup_rpath(${name}) 422 423 else() 424 add_library(${name} STATIC ${ALL_FILES}) 425 endif() 426 427 setup_dependency_debugging(${name} ${LLVM_COMMON_DEPENDS}) 428 429 if(DEFINED windows_resource_file) 430 set_windows_version_resource_properties(${name} ${windows_resource_file}) 431 set(windows_resource_file ${windows_resource_file} PARENT_SCOPE) 432 endif() 433 434 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) 435 # $<TARGET_OBJECTS> doesn't require compile flags. 436 if(NOT obj_name) 437 llvm_update_compile_flags(${name}) 438 endif() 439 add_link_opts( ${name} ) 440 if(ARG_OUTPUT_NAME) 441 set_target_properties(${name} 442 PROPERTIES 443 OUTPUT_NAME ${ARG_OUTPUT_NAME} 444 ) 445 endif() 446 447 if(ARG_MODULE) 448 set_target_properties(${name} PROPERTIES 449 PREFIX "" 450 SUFFIX ${LLVM_PLUGIN_EXT} 451 ) 452 endif() 453 454 if(ARG_SHARED) 455 if(WIN32) 456 set_target_properties(${name} PROPERTIES 457 PREFIX "" 458 ) 459 endif() 460 461 # Set SOVERSION on shared libraries that lack explicit SONAME 462 # specifier, on *nix systems that are not Darwin. 463 if(UNIX AND NOT APPLE AND NOT ARG_SONAME) 464 set_target_properties(${name} 465 PROPERTIES 466 # Since 4.0.0, the ABI version is indicated by the major version 467 SOVERSION ${LLVM_VERSION_MAJOR} 468 VERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX}) 469 endif() 470 endif() 471 472 if(ARG_MODULE OR ARG_SHARED) 473 # Do not add -Dname_EXPORTS to the command-line when building files in this 474 # target. Doing so is actively harmful for the modules build because it 475 # creates extra module variants, and not useful because we don't use these 476 # macros. 477 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) 478 479 if (LLVM_EXPORTED_SYMBOL_FILE) 480 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 481 endif() 482 endif() 483 484 if(ARG_SHARED AND UNIX) 485 if(NOT APPLE AND ARG_SONAME) 486 get_target_property(output_name ${name} OUTPUT_NAME) 487 if(${output_name} STREQUAL "output_name-NOTFOUND") 488 set(output_name ${name}) 489 endif() 490 set(library_name ${output_name}-${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}${LLVM_VERSION_SUFFIX}) 491 set(api_name ${output_name}-${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX}) 492 set_target_properties(${name} PROPERTIES OUTPUT_NAME ${library_name}) 493 llvm_install_library_symlink(${api_name} ${library_name} SHARED 494 COMPONENT ${name} 495 ALWAYS_GENERATE) 496 llvm_install_library_symlink(${output_name} ${library_name} SHARED 497 COMPONENT ${name} 498 ALWAYS_GENERATE) 499 endif() 500 endif() 501 502 if(ARG_MODULE AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS AND ARG_PLUGIN_TOOL AND (WIN32 OR CYGWIN)) 503 # On DLL platforms symbols are imported from the tool by linking against it. 504 set(llvm_libs ${ARG_PLUGIN_TOOL}) 505 elseif (DEFINED LLVM_LINK_COMPONENTS OR DEFINED ARG_LINK_COMPONENTS) 506 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB) 507 set(llvm_libs LLVM) 508 else() 509 llvm_map_components_to_libnames(llvm_libs 510 ${ARG_LINK_COMPONENTS} 511 ${LLVM_LINK_COMPONENTS} 512 ) 513 endif() 514 else() 515 # Components have not been defined explicitly in CMake, so add the 516 # dependency information for this library as defined by LLVMBuild. 517 # 518 # It would be nice to verify that we have the dependencies for this library 519 # name, but using get_property(... SET) doesn't suffice to determine if a 520 # property has been set to an empty value. 521 get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${name}) 522 endif() 523 524 if(ARG_STATIC) 525 set(libtype INTERFACE) 526 else() 527 # We can use PRIVATE since SO knows its dependent libs. 528 set(libtype PRIVATE) 529 endif() 530 531 target_link_libraries(${name} ${libtype} 532 ${ARG_LINK_LIBS} 533 ${lib_deps} 534 ${llvm_libs} 535 ) 536 537 if(LLVM_COMMON_DEPENDS) 538 add_dependencies(${name} ${LLVM_COMMON_DEPENDS}) 539 # Add dependencies also to objlibs. 540 # CMake issue 14747 -- add_dependencies() might be ignored to objlib's user. 541 foreach(objlib ${objlibs}) 542 add_dependencies(${objlib} ${LLVM_COMMON_DEPENDS}) 543 endforeach() 544 endif() 545 546 if(ARG_SHARED OR ARG_MODULE) 547 llvm_externalize_debuginfo(${name}) 548 endif() 549 endfunction() 550 551 macro(add_llvm_library name) 552 cmake_parse_arguments(ARG 553 "SHARED;BUILDTREE_ONLY" 554 "" 555 "" 556 ${ARGN}) 557 if( BUILD_SHARED_LIBS OR ARG_SHARED ) 558 llvm_add_library(${name} SHARED ${ARG_UNPARSED_ARGUMENTS}) 559 else() 560 llvm_add_library(${name} ${ARG_UNPARSED_ARGUMENTS}) 561 endif() 562 563 # Libraries that are meant to only be exposed via the build tree only are 564 # never installed and are only exported as a target in the special build tree 565 # config file. 566 if (NOT ARG_BUILDTREE_ONLY) 567 set_property( GLOBAL APPEND PROPERTY LLVM_LIBS ${name} ) 568 endif() 569 570 if( EXCLUDE_FROM_ALL ) 571 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON) 572 elseif(ARG_BUILDTREE_ONLY) 573 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS_BUILDTREE_ONLY ${name}) 574 else() 575 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "LTO" OR 576 (LLVM_LINK_LLVM_DYLIB AND ${name} STREQUAL "LLVM")) 577 set(install_dir lib${LLVM_LIBDIR_SUFFIX}) 578 if(ARG_SHARED OR BUILD_SHARED_LIBS) 579 if(WIN32 OR CYGWIN OR MINGW) 580 set(install_type RUNTIME) 581 set(install_dir bin) 582 else() 583 set(install_type LIBRARY) 584 endif() 585 else() 586 set(install_type ARCHIVE) 587 endif() 588 589 if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR 590 NOT LLVM_DISTRIBUTION_COMPONENTS) 591 set(export_to_llvmexports EXPORT LLVMExports) 592 set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True) 593 endif() 594 595 install(TARGETS ${name} 596 ${export_to_llvmexports} 597 ${install_type} DESTINATION ${install_dir} 598 COMPONENT ${name}) 599 600 if (NOT CMAKE_CONFIGURATION_TYPES) 601 add_custom_target(install-${name} 602 DEPENDS ${name} 603 COMMAND "${CMAKE_COMMAND}" 604 -DCMAKE_INSTALL_COMPONENT=${name} 605 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") 606 endif() 607 endif() 608 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 609 endif() 610 set_target_properties(${name} PROPERTIES FOLDER "Libraries") 611 endmacro(add_llvm_library name) 612 613 macro(add_llvm_loadable_module name) 614 llvm_add_library(${name} MODULE ${ARGN}) 615 if(NOT TARGET ${name}) 616 # Add empty "phony" target 617 add_custom_target(${name}) 618 else() 619 if( EXCLUDE_FROM_ALL ) 620 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON) 621 else() 622 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 623 if(WIN32 OR CYGWIN) 624 # DLL platform 625 set(dlldir "bin") 626 else() 627 set(dlldir "lib${LLVM_LIBDIR_SUFFIX}") 628 endif() 629 630 if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR 631 NOT LLVM_DISTRIBUTION_COMPONENTS) 632 set(export_to_llvmexports EXPORT LLVMExports) 633 set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True) 634 endif() 635 636 install(TARGETS ${name} 637 ${export_to_llvmexports} 638 LIBRARY DESTINATION ${dlldir} 639 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}) 640 endif() 641 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 642 endif() 643 endif() 644 645 set_target_properties(${name} PROPERTIES FOLDER "Loadable modules") 646 endmacro(add_llvm_loadable_module name) 647 648 649 macro(add_llvm_executable name) 650 cmake_parse_arguments(ARG "DISABLE_LLVM_LINK_LLVM_DYLIB;IGNORE_EXTERNALIZE_DEBUGINFO;NO_INSTALL_RPATH" "" "DEPENDS" ${ARGN}) 651 llvm_process_sources( ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ) 652 653 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS}) 654 655 # Generate objlib 656 if(LLVM_ENABLE_OBJLIB) 657 # Generate an obj library for both targets. 658 set(obj_name "obj.${name}") 659 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL 660 ${ALL_FILES} 661 ) 662 llvm_update_compile_flags(${obj_name}) 663 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>") 664 665 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") 666 endif() 667 668 add_windows_version_resource_file(ALL_FILES ${ALL_FILES}) 669 670 if(XCODE) 671 # Note: the dummy.cpp source file provides no definitions. However, 672 # it forces Xcode to properly link the static library. 673 list(APPEND ALL_FILES "${LLVM_MAIN_SRC_DIR}/cmake/dummy.cpp") 674 endif() 675 676 if( EXCLUDE_FROM_ALL ) 677 add_executable(${name} EXCLUDE_FROM_ALL ${ALL_FILES}) 678 else() 679 add_executable(${name} ${ALL_FILES}) 680 endif() 681 682 setup_dependency_debugging(${name} ${LLVM_COMMON_DEPENDS}) 683 684 if(NOT ARG_NO_INSTALL_RPATH) 685 llvm_setup_rpath(${name}) 686 endif() 687 688 if(DEFINED windows_resource_file) 689 set_windows_version_resource_properties(${name} ${windows_resource_file}) 690 endif() 691 692 # $<TARGET_OBJECTS> doesn't require compile flags. 693 if(NOT LLVM_ENABLE_OBJLIB) 694 llvm_update_compile_flags(${name}) 695 endif() 696 add_link_opts( ${name} ) 697 698 # Do not add -Dname_EXPORTS to the command-line when building files in this 699 # target. Doing so is actively harmful for the modules build because it 700 # creates extra module variants, and not useful because we don't use these 701 # macros. 702 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) 703 704 if (LLVM_EXPORTED_SYMBOL_FILE) 705 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 706 endif(LLVM_EXPORTED_SYMBOL_FILE) 707 708 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB) 709 set(USE_SHARED USE_SHARED) 710 endif() 711 712 set(EXCLUDE_FROM_ALL OFF) 713 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) 714 llvm_config( ${name} ${USE_SHARED} ${LLVM_LINK_COMPONENTS} ) 715 if( LLVM_COMMON_DEPENDS ) 716 add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} ) 717 endif( LLVM_COMMON_DEPENDS ) 718 719 if(NOT ARG_IGNORE_EXTERNALIZE_DEBUGINFO) 720 llvm_externalize_debuginfo(${name}) 721 endif() 722 if (LLVM_PTHREAD_LIB) 723 # libpthreads overrides some standard library symbols, so main 724 # executable must be linked with it in order to provide consistent 725 # API for all shared libaries loaded by this executable. 726 target_link_libraries(${name} ${LLVM_PTHREAD_LIB}) 727 endif() 728 endmacro(add_llvm_executable name) 729 730 function(export_executable_symbols target) 731 if (LLVM_EXPORTED_SYMBOL_FILE) 732 # The symbol file should contain the symbols we want the executable to 733 # export 734 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 735 elseif (LLVM_EXPORT_SYMBOLS_FOR_PLUGINS) 736 # Extract the symbols to export from the static libraries that the 737 # executable links against. 738 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 739 set(exported_symbol_file ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${target}.symbols) 740 # We need to consider not just the direct link dependencies, but also the 741 # transitive link dependencies. Do this by starting with the set of direct 742 # dependencies, then the dependencies of those dependencies, and so on. 743 get_target_property(new_libs ${target} LINK_LIBRARIES) 744 set(link_libs ${new_libs}) 745 while(NOT "${new_libs}" STREQUAL "") 746 foreach(lib ${new_libs}) 747 if(TARGET ${lib}) 748 get_target_property(lib_type ${lib} TYPE) 749 if("${lib_type}" STREQUAL "STATIC_LIBRARY") 750 list(APPEND static_libs ${lib}) 751 else() 752 list(APPEND other_libs ${lib}) 753 endif() 754 get_target_property(transitive_libs ${lib} INTERFACE_LINK_LIBRARIES) 755 foreach(transitive_lib ${transitive_libs}) 756 list(FIND link_libs ${transitive_lib} idx) 757 if(TARGET ${transitive_lib} AND idx EQUAL -1) 758 list(APPEND newer_libs ${transitive_lib}) 759 list(APPEND link_libs ${transitive_lib}) 760 endif() 761 endforeach(transitive_lib) 762 endif() 763 endforeach(lib) 764 set(new_libs ${newer_libs}) 765 set(newer_libs "") 766 endwhile() 767 if (MSVC) 768 set(mangling microsoft) 769 else() 770 set(mangling itanium) 771 endif() 772 add_custom_command(OUTPUT ${exported_symbol_file} 773 COMMAND ${PYTHON_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/extract_symbols.py --mangling=${mangling} ${static_libs} -o ${exported_symbol_file} 774 WORKING_DIRECTORY ${LLVM_LIBRARY_OUTPUT_INTDIR} 775 DEPENDS ${LLVM_MAIN_SRC_DIR}/utils/extract_symbols.py ${static_libs} 776 VERBATIM 777 COMMENT "Generating export list for ${target}") 778 add_llvm_symbol_exports( ${target} ${exported_symbol_file} ) 779 # If something links against this executable then we want a 780 # transitive link against only the libraries whose symbols 781 # we aren't exporting. 782 set_target_properties(${target} PROPERTIES INTERFACE_LINK_LIBRARIES "${other_libs}") 783 # The default import library suffix that cmake uses for cygwin/mingw is 784 # ".dll.a", but for clang.exe that causes a collision with libclang.dll, 785 # where the import libraries of both get named libclang.dll.a. Use a suffix 786 # of ".exe.a" to avoid this. 787 if(CYGWIN OR MINGW) 788 set_target_properties(${target} PROPERTIES IMPORT_SUFFIX ".exe.a") 789 endif() 790 elseif(NOT (WIN32 OR CYGWIN)) 791 # On Windows auto-exporting everything doesn't work because of the limit on 792 # the size of the exported symbol table, but on other platforms we can do 793 # it without any trouble. 794 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 795 if (APPLE) 796 set_property(TARGET ${target} APPEND_STRING PROPERTY 797 LINK_FLAGS " -rdynamic") 798 endif() 799 endif() 800 endfunction() 801 802 if(NOT LLVM_TOOLCHAIN_TOOLS) 803 set (LLVM_TOOLCHAIN_TOOLS 804 llvm-ar 805 llvm-ranlib 806 llvm-lib 807 llvm-objdump 808 ) 809 endif() 810 811 macro(add_llvm_tool name) 812 if( NOT LLVM_BUILD_TOOLS ) 813 set(EXCLUDE_FROM_ALL ON) 814 endif() 815 add_llvm_executable(${name} ${ARGN}) 816 817 if ( ${name} IN_LIST LLVM_TOOLCHAIN_TOOLS OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 818 if( LLVM_BUILD_TOOLS ) 819 if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR 820 NOT LLVM_DISTRIBUTION_COMPONENTS) 821 set(export_to_llvmexports EXPORT LLVMExports) 822 set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True) 823 endif() 824 825 install(TARGETS ${name} 826 ${export_to_llvmexports} 827 RUNTIME DESTINATION ${LLVM_TOOLS_INSTALL_DIR} 828 COMPONENT ${name}) 829 830 if (NOT CMAKE_CONFIGURATION_TYPES) 831 add_custom_target(install-${name} 832 DEPENDS ${name} 833 COMMAND "${CMAKE_COMMAND}" 834 -DCMAKE_INSTALL_COMPONENT=${name} 835 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") 836 endif() 837 endif() 838 endif() 839 if( LLVM_BUILD_TOOLS ) 840 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 841 endif() 842 set_target_properties(${name} PROPERTIES FOLDER "Tools") 843 endmacro(add_llvm_tool name) 844 845 846 macro(add_llvm_example name) 847 if( NOT LLVM_BUILD_EXAMPLES ) 848 set(EXCLUDE_FROM_ALL ON) 849 endif() 850 add_llvm_executable(${name} ${ARGN}) 851 if( LLVM_BUILD_EXAMPLES ) 852 install(TARGETS ${name} RUNTIME DESTINATION examples) 853 endif() 854 set_target_properties(${name} PROPERTIES FOLDER "Examples") 855 endmacro(add_llvm_example name) 856 857 # This is a macro that is used to create targets for executables that are needed 858 # for development, but that are not intended to be installed by default. 859 macro(add_llvm_utility name) 860 if ( NOT LLVM_BUILD_UTILS ) 861 set(EXCLUDE_FROM_ALL ON) 862 endif() 863 864 add_llvm_executable(${name} DISABLE_LLVM_LINK_LLVM_DYLIB ${ARGN}) 865 set_target_properties(${name} PROPERTIES FOLDER "Utils") 866 if( LLVM_INSTALL_UTILS AND LLVM_BUILD_UTILS ) 867 install (TARGETS ${name} 868 RUNTIME DESTINATION bin 869 COMPONENT ${name}) 870 if (NOT CMAKE_CONFIGURATION_TYPES) 871 add_custom_target(install-${name} 872 DEPENDS ${name} 873 COMMAND "${CMAKE_COMMAND}" 874 -DCMAKE_INSTALL_COMPONENT=${name} 875 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") 876 endif() 877 endif() 878 endmacro(add_llvm_utility name) 879 880 881 macro(add_llvm_target target_name) 882 include_directories(BEFORE 883 ${CMAKE_CURRENT_BINARY_DIR} 884 ${CMAKE_CURRENT_SOURCE_DIR}) 885 add_llvm_library(LLVM${target_name} ${ARGN}) 886 set( CURRENT_LLVM_TARGET LLVM${target_name} ) 887 endmacro(add_llvm_target) 888 889 function(canonicalize_tool_name name output) 890 string(REPLACE "${CMAKE_CURRENT_SOURCE_DIR}/" "" nameStrip ${name}) 891 string(REPLACE "-" "_" nameUNDERSCORE ${nameStrip}) 892 string(TOUPPER ${nameUNDERSCORE} nameUPPER) 893 set(${output} "${nameUPPER}" PARENT_SCOPE) 894 endfunction(canonicalize_tool_name) 895 896 # Custom add_subdirectory wrapper 897 # Takes in a project name (i.e. LLVM), the subdirectory name, and an optional 898 # path if it differs from the name. 899 macro(add_llvm_subdirectory project type name) 900 set(add_llvm_external_dir "${ARGN}") 901 if("${add_llvm_external_dir}" STREQUAL "") 902 set(add_llvm_external_dir ${name}) 903 endif() 904 canonicalize_tool_name(${name} nameUPPER) 905 if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}/CMakeLists.txt) 906 # Treat it as in-tree subproject. 907 option(${project}_${type}_${nameUPPER}_BUILD 908 "Whether to build ${name} as part of ${project}" On) 909 mark_as_advanced(${project}_${type}_${name}_BUILD) 910 if(${project}_${type}_${nameUPPER}_BUILD) 911 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir} ${add_llvm_external_dir}) 912 # Don't process it in add_llvm_implicit_projects(). 913 set(${project}_${type}_${nameUPPER}_BUILD OFF) 914 endif() 915 else() 916 set(LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR 917 "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" 918 CACHE PATH "Path to ${name} source directory") 919 set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT ON) 920 if(NOT LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR OR NOT EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}) 921 set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT OFF) 922 endif() 923 if("${LLVM_EXTERNAL_${nameUPPER}_BUILD}" STREQUAL "OFF") 924 set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT OFF) 925 endif() 926 option(${project}_${type}_${nameUPPER}_BUILD 927 "Whether to build ${name} as part of LLVM" 928 ${${project}_${type}_${nameUPPER}_BUILD_DEFAULT}) 929 if (${project}_${type}_${nameUPPER}_BUILD) 930 if(EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}) 931 add_subdirectory(${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} ${add_llvm_external_dir}) 932 elseif(NOT "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" STREQUAL "") 933 message(WARNING "Nonexistent directory for ${name}: ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}") 934 endif() 935 # FIXME: It'd be redundant. 936 set(${project}_${type}_${nameUPPER}_BUILD Off) 937 endif() 938 endif() 939 endmacro() 940 941 # Add external project that may want to be built as part of llvm such as Clang, 942 # lld, and Polly. This adds two options. One for the source directory of the 943 # project, which defaults to ${CMAKE_CURRENT_SOURCE_DIR}/${name}. Another to 944 # enable or disable building it with everything else. 945 # Additional parameter can be specified as the name of directory. 946 macro(add_llvm_external_project name) 947 add_llvm_subdirectory(LLVM TOOL ${name} ${ARGN}) 948 endmacro() 949 950 macro(add_llvm_tool_subdirectory name) 951 add_llvm_external_project(${name}) 952 endmacro(add_llvm_tool_subdirectory) 953 954 function(get_project_name_from_src_var var output) 955 string(REGEX MATCH "LLVM_EXTERNAL_(.*)_SOURCE_DIR" 956 MACHED_TOOL "${var}") 957 if(MACHED_TOOL) 958 set(${output} ${CMAKE_MATCH_1} PARENT_SCOPE) 959 else() 960 set(${output} PARENT_SCOPE) 961 endif() 962 endfunction() 963 964 function(create_subdirectory_options project type) 965 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") 966 foreach(dir ${sub-dirs}) 967 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt") 968 canonicalize_tool_name(${dir} name) 969 option(${project}_${type}_${name}_BUILD 970 "Whether to build ${name} as part of ${project}" On) 971 mark_as_advanced(${project}_${type}_${name}_BUILD) 972 endif() 973 endforeach() 974 endfunction(create_subdirectory_options) 975 976 function(create_llvm_tool_options) 977 create_subdirectory_options(LLVM TOOL) 978 endfunction(create_llvm_tool_options) 979 980 function(llvm_add_implicit_projects project) 981 set(list_of_implicit_subdirs "") 982 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") 983 foreach(dir ${sub-dirs}) 984 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt") 985 canonicalize_tool_name(${dir} name) 986 if (${project}_TOOL_${name}_BUILD) 987 get_filename_component(fn "${dir}" NAME) 988 list(APPEND list_of_implicit_subdirs "${fn}") 989 endif() 990 endif() 991 endforeach() 992 993 foreach(external_proj ${list_of_implicit_subdirs}) 994 add_llvm_subdirectory(${project} TOOL "${external_proj}" ${ARGN}) 995 endforeach() 996 endfunction(llvm_add_implicit_projects) 997 998 function(add_llvm_implicit_projects) 999 llvm_add_implicit_projects(LLVM) 1000 endfunction(add_llvm_implicit_projects) 1001 1002 # Generic support for adding a unittest. 1003 function(add_unittest test_suite test_name) 1004 if( NOT LLVM_BUILD_TESTS ) 1005 set(EXCLUDE_FROM_ALL ON) 1006 endif() 1007 1008 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include) 1009 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googlemock/include) 1010 if (NOT LLVM_ENABLE_THREADS) 1011 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_PTHREAD=0) 1012 endif () 1013 1014 if (SUPPORTS_VARIADIC_MACROS_FLAG) 1015 list(APPEND LLVM_COMPILE_FLAGS "-Wno-variadic-macros") 1016 endif () 1017 # Some parts of gtest rely on this GNU extension, don't warn on it. 1018 if(SUPPORTS_GNU_ZERO_VARIADIC_MACRO_ARGUMENTS_FLAG) 1019 list(APPEND LLVM_COMPILE_FLAGS "-Wno-gnu-zero-variadic-macro-arguments") 1020 endif() 1021 1022 set(LLVM_REQUIRES_RTTI OFF) 1023 1024 list(APPEND LLVM_LINK_COMPONENTS Support) # gtest needs it for raw_ostream 1025 add_llvm_executable(${test_name} IGNORE_EXTERNALIZE_DEBUGINFO NO_INSTALL_RPATH ${ARGN}) 1026 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}) 1027 set_output_directory(${test_name} BINARY_DIR ${outdir} LIBRARY_DIR ${outdir}) 1028 # libpthreads overrides some standard library symbols, so main 1029 # executable must be linked with it in order to provide consistent 1030 # API for all shared libaries loaded by this executable. 1031 target_link_libraries(${test_name} gtest_main gtest ${LLVM_PTHREAD_LIB}) 1032 1033 add_dependencies(${test_suite} ${test_name}) 1034 get_target_property(test_suite_folder ${test_suite} FOLDER) 1035 if (NOT ${test_suite_folder} STREQUAL "NOTFOUND") 1036 set_property(TARGET ${test_name} PROPERTY FOLDER "${test_suite_folder}") 1037 endif () 1038 endfunction() 1039 1040 function(llvm_add_go_executable binary pkgpath) 1041 cmake_parse_arguments(ARG "ALL" "" "DEPENDS;GOFLAGS" ${ARGN}) 1042 1043 if(LLVM_BINDINGS MATCHES "go") 1044 # FIXME: This should depend only on the libraries Go needs. 1045 get_property(llvmlibs GLOBAL PROPERTY LLVM_LIBS) 1046 set(binpath ${CMAKE_BINARY_DIR}/bin/${binary}${CMAKE_EXECUTABLE_SUFFIX}) 1047 set(cc "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}") 1048 set(cxx "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}") 1049 set(cppflags "") 1050 get_property(include_dirs DIRECTORY PROPERTY INCLUDE_DIRECTORIES) 1051 foreach(d ${include_dirs}) 1052 set(cppflags "${cppflags} -I${d}") 1053 endforeach(d) 1054 set(ldflags "${CMAKE_EXE_LINKER_FLAGS}") 1055 add_custom_command(OUTPUT ${binpath} 1056 COMMAND ${CMAKE_BINARY_DIR}/bin/llvm-go "go=${GO_EXECUTABLE}" "cc=${cc}" "cxx=${cxx}" "cppflags=${cppflags}" "ldflags=${ldflags}" "packages=${LLVM_GO_PACKAGES}" 1057 ${ARG_GOFLAGS} build -o ${binpath} ${pkgpath} 1058 DEPENDS llvm-config ${CMAKE_BINARY_DIR}/bin/llvm-go${CMAKE_EXECUTABLE_SUFFIX} 1059 ${llvmlibs} ${ARG_DEPENDS} 1060 COMMENT "Building Go executable ${binary}" 1061 VERBATIM) 1062 if (ARG_ALL) 1063 add_custom_target(${binary} ALL DEPENDS ${binpath}) 1064 else() 1065 add_custom_target(${binary} DEPENDS ${binpath}) 1066 endif() 1067 endif() 1068 endfunction() 1069 1070 # This function canonicalize the CMake variables passed by names 1071 # from CMake boolean to 0/1 suitable for passing into Python or C++, 1072 # in place. 1073 function(llvm_canonicalize_cmake_booleans) 1074 foreach(var ${ARGN}) 1075 if(${var}) 1076 set(${var} 1 PARENT_SCOPE) 1077 else() 1078 set(${var} 0 PARENT_SCOPE) 1079 endif() 1080 endforeach() 1081 endfunction(llvm_canonicalize_cmake_booleans) 1082 1083 # This function provides an automatic way to 'configure'-like generate a file 1084 # based on a set of common and custom variables, specifically targeting the 1085 # variables needed for the 'lit.site.cfg' files. This function bundles the 1086 # common variables that any Lit instance is likely to need, and custom 1087 # variables can be passed in. 1088 function(configure_lit_site_cfg input output) 1089 foreach(c ${LLVM_TARGETS_TO_BUILD}) 1090 set(TARGETS_BUILT "${TARGETS_BUILT} ${c}") 1091 endforeach(c) 1092 set(TARGETS_TO_BUILD ${TARGETS_BUILT}) 1093 1094 set(SHLIBEXT "${LTDL_SHLIB_EXT}") 1095 1096 # Configuration-time: See Unit/lit.site.cfg.in 1097 if (CMAKE_CFG_INTDIR STREQUAL ".") 1098 set(LLVM_BUILD_MODE ".") 1099 else () 1100 set(LLVM_BUILD_MODE "%(build_mode)s") 1101 endif () 1102 1103 # They below might not be the build tree but provided binary tree. 1104 set(LLVM_SOURCE_DIR ${LLVM_MAIN_SRC_DIR}) 1105 set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR}) 1106 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_TOOLS_DIR ${LLVM_TOOLS_BINARY_DIR}) 1107 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_LIBS_DIR ${LLVM_LIBRARY_DIR}) 1108 1109 # SHLIBDIR points the build tree. 1110 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} SHLIBDIR "${LLVM_SHLIB_OUTPUT_INTDIR}") 1111 1112 set(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE}) 1113 # FIXME: "ENABLE_SHARED" doesn't make sense, since it is used just for 1114 # plugins. We may rename it. 1115 if(LLVM_ENABLE_PLUGINS) 1116 set(ENABLE_SHARED "1") 1117 else() 1118 set(ENABLE_SHARED "0") 1119 endif() 1120 1121 if(LLVM_ENABLE_ASSERTIONS AND NOT MSVC_IDE) 1122 set(ENABLE_ASSERTIONS "1") 1123 else() 1124 set(ENABLE_ASSERTIONS "0") 1125 endif() 1126 1127 set(HOST_OS ${CMAKE_SYSTEM_NAME}) 1128 set(HOST_ARCH ${CMAKE_SYSTEM_PROCESSOR}) 1129 1130 set(HOST_CC "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}") 1131 set(HOST_CXX "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}") 1132 set(HOST_LDFLAGS "${CMAKE_EXE_LINKER_FLAGS}") 1133 1134 set(LIT_SITE_CFG_IN_HEADER "## Autogenerated from ${input}\n## Do not edit!") 1135 1136 # Override config_target_triple (and the env) 1137 if(LLVM_TARGET_TRIPLE_ENV) 1138 # This is expanded into the heading. 1139 string(CONCAT LIT_SITE_CFG_IN_HEADER "${LIT_SITE_CFG_IN_HEADER}\n\n" 1140 "import os\n" 1141 "target_env = \"${LLVM_TARGET_TRIPLE_ENV}\"\n" 1142 "config.target_triple = config.environment[target_env] = os.environ.get(target_env, \"${TARGET_TRIPLE}\")\n" 1143 ) 1144 1145 # This is expanded to; config.target_triple = ""+config.target_triple+"" 1146 set(TARGET_TRIPLE "\"+config.target_triple+\"") 1147 endif() 1148 1149 configure_file(${input} ${output} @ONLY) 1150 endfunction() 1151 1152 # A raw function to create a lit target. This is used to implement the testuite 1153 # management functions. 1154 function(add_lit_target target comment) 1155 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1156 set(LIT_ARGS "${ARG_ARGS} ${LLVM_LIT_ARGS}") 1157 separate_arguments(LIT_ARGS) 1158 if (NOT CMAKE_CFG_INTDIR STREQUAL ".") 1159 list(APPEND LIT_ARGS --param build_mode=${CMAKE_CFG_INTDIR}) 1160 endif () 1161 if (EXISTS ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py) 1162 # reset cache after erraneous r283029 1163 # TODO: remove this once all buildbots run 1164 if (LIT_COMMAND STREQUAL "${PYTHON_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py") 1165 unset(LIT_COMMAND CACHE) 1166 endif() 1167 set (LIT_COMMAND "${PYTHON_EXECUTABLE};${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py" 1168 CACHE STRING "Command used to spawn llvm-lit") 1169 else() 1170 find_program(LIT_COMMAND NAMES llvm-lit lit.py lit) 1171 endif () 1172 list(APPEND LIT_COMMAND ${LIT_ARGS}) 1173 foreach(param ${ARG_PARAMS}) 1174 list(APPEND LIT_COMMAND --param ${param}) 1175 endforeach() 1176 if (ARG_UNPARSED_ARGUMENTS) 1177 add_custom_target(${target} 1178 COMMAND ${LIT_COMMAND} ${ARG_UNPARSED_ARGUMENTS} 1179 COMMENT "${comment}" 1180 USES_TERMINAL 1181 ) 1182 else() 1183 add_custom_target(${target} 1184 COMMAND ${CMAKE_COMMAND} -E echo "${target} does nothing, no tools built.") 1185 message(STATUS "${target} does nothing.") 1186 endif() 1187 if (ARG_DEPENDS) 1188 add_dependencies(${target} ${ARG_DEPENDS}) 1189 endif() 1190 1191 # Tests should be excluded from "Build Solution". 1192 set_target_properties(${target} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD ON) 1193 endfunction() 1194 1195 # A function to add a set of lit test suites to be driven through 'check-*' targets. 1196 function(add_lit_testsuite target comment) 1197 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1198 1199 # EXCLUDE_FROM_ALL excludes the test ${target} out of check-all. 1200 if(NOT EXCLUDE_FROM_ALL) 1201 # Register the testsuites, params and depends for the global check rule. 1202 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_TESTSUITES ${ARG_UNPARSED_ARGUMENTS}) 1203 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_PARAMS ${ARG_PARAMS}) 1204 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_DEPENDS ${ARG_DEPENDS}) 1205 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_EXTRA_ARGS ${ARG_ARGS}) 1206 endif() 1207 1208 # Produce a specific suffixed check rule. 1209 add_lit_target(${target} ${comment} 1210 ${ARG_UNPARSED_ARGUMENTS} 1211 PARAMS ${ARG_PARAMS} 1212 DEPENDS ${ARG_DEPENDS} 1213 ARGS ${ARG_ARGS} 1214 ) 1215 endfunction() 1216 1217 function(add_lit_testsuites project directory) 1218 if (NOT CMAKE_CONFIGURATION_TYPES) 1219 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1220 1221 # Search recursively for test directories by assuming anything not 1222 # in a directory called Inputs contains tests. 1223 file(GLOB_RECURSE to_process LIST_DIRECTORIES true ${directory}/*) 1224 foreach(lit_suite ${to_process}) 1225 if(NOT IS_DIRECTORY ${lit_suite}) 1226 continue() 1227 endif() 1228 string(FIND ${lit_suite} Inputs is_inputs) 1229 string(FIND ${lit_suite} Output is_output) 1230 if (NOT (is_inputs EQUAL -1 AND is_output EQUAL -1)) 1231 continue() 1232 endif() 1233 1234 # Create a check- target for the directory. 1235 string(REPLACE ${directory} "" name_slash ${lit_suite}) 1236 if (name_slash) 1237 string(REPLACE "/" "-" name_slash ${name_slash}) 1238 string(REPLACE "\\" "-" name_dashes ${name_slash}) 1239 string(TOLOWER "${project}${name_dashes}" name_var) 1240 add_lit_target("check-${name_var}" "Running lit suite ${lit_suite}" 1241 ${lit_suite} 1242 PARAMS ${ARG_PARAMS} 1243 DEPENDS ${ARG_DEPENDS} 1244 ARGS ${ARG_ARGS} 1245 ) 1246 endif() 1247 endforeach() 1248 endif() 1249 endfunction() 1250 1251 function(llvm_install_library_symlink name dest type) 1252 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "COMPONENT" "" ${ARGN}) 1253 foreach(path ${CMAKE_MODULE_PATH}) 1254 if(EXISTS ${path}/LLVMInstallSymlink.cmake) 1255 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake) 1256 break() 1257 endif() 1258 endforeach() 1259 1260 set(component ${ARG_COMPONENT}) 1261 if(NOT component) 1262 set(component ${name}) 1263 endif() 1264 1265 set(full_name ${CMAKE_${type}_LIBRARY_PREFIX}${name}${CMAKE_${type}_LIBRARY_SUFFIX}) 1266 set(full_dest ${CMAKE_${type}_LIBRARY_PREFIX}${dest}${CMAKE_${type}_LIBRARY_SUFFIX}) 1267 1268 set(output_dir lib${LLVM_LIBDIR_SUFFIX}) 1269 if(WIN32 AND "${type}" STREQUAL "SHARED") 1270 set(output_dir bin) 1271 endif() 1272 1273 install(SCRIPT ${INSTALL_SYMLINK} 1274 CODE "install_symlink(${full_name} ${full_dest} ${output_dir})" 1275 COMPONENT ${component}) 1276 1277 if (NOT CMAKE_CONFIGURATION_TYPES AND NOT ARG_ALWAYS_GENERATE) 1278 add_custom_target(install-${name} 1279 DEPENDS ${name} ${dest} install-${dest} 1280 COMMAND "${CMAKE_COMMAND}" 1281 -DCMAKE_INSTALL_COMPONENT=${name} 1282 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") 1283 endif() 1284 endfunction() 1285 1286 function(llvm_install_symlink name dest) 1287 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "COMPONENT" "" ${ARGN}) 1288 foreach(path ${CMAKE_MODULE_PATH}) 1289 if(EXISTS ${path}/LLVMInstallSymlink.cmake) 1290 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake) 1291 break() 1292 endif() 1293 endforeach() 1294 1295 if(ARG_COMPONENT) 1296 set(component ${ARG_COMPONENT}) 1297 else() 1298 if(ARG_ALWAYS_GENERATE) 1299 set(component ${dest}) 1300 else() 1301 set(component ${name}) 1302 endif() 1303 endif() 1304 1305 set(full_name ${name}${CMAKE_EXECUTABLE_SUFFIX}) 1306 set(full_dest ${dest}${CMAKE_EXECUTABLE_SUFFIX}) 1307 1308 install(SCRIPT ${INSTALL_SYMLINK} 1309 CODE "install_symlink(${full_name} ${full_dest} ${LLVM_TOOLS_INSTALL_DIR})" 1310 COMPONENT ${component}) 1311 1312 if (NOT CMAKE_CONFIGURATION_TYPES AND NOT ARG_ALWAYS_GENERATE) 1313 add_custom_target(install-${name} 1314 DEPENDS ${name} ${dest} install-${dest} 1315 COMMAND "${CMAKE_COMMAND}" 1316 -DCMAKE_INSTALL_COMPONENT=${name} 1317 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") 1318 endif() 1319 endfunction() 1320 1321 function(add_llvm_tool_symlink link_name target) 1322 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "OUTPUT_DIR" "" ${ARGN}) 1323 set(dest_binary "$<TARGET_FILE:${target}>") 1324 1325 # This got a bit gross... For multi-configuration generators the target 1326 # properties return the resolved value of the string, not the build system 1327 # expression. To reconstruct the platform-agnostic path we have to do some 1328 # magic. First we grab one of the types, and a type-specific path. Then from 1329 # the type-specific path we find the last occurrence of the type in the path, 1330 # and replace it with CMAKE_CFG_INTDIR. This allows the build step to be type 1331 # agnostic again. 1332 if(NOT ARG_OUTPUT_DIR) 1333 # If you're not overriding the OUTPUT_DIR, we can make the link relative in 1334 # the same directory. 1335 if(UNIX) 1336 set(dest_binary "$<TARGET_FILE_NAME:${target}>") 1337 endif() 1338 if(CMAKE_CONFIGURATION_TYPES) 1339 list(GET CMAKE_CONFIGURATION_TYPES 0 first_type) 1340 string(TOUPPER ${first_type} first_type_upper) 1341 set(first_type_suffix _${first_type_upper}) 1342 endif() 1343 get_target_property(target_type ${target} TYPE) 1344 if(${target_type} STREQUAL "STATIC_LIBRARY") 1345 get_target_property(ARG_OUTPUT_DIR ${target} ARCHIVE_OUTPUT_DIRECTORY${first_type_suffix}) 1346 elseif(UNIX AND ${target_type} STREQUAL "SHARED_LIBRARY") 1347 get_target_property(ARG_OUTPUT_DIR ${target} LIBRARY_OUTPUT_DIRECTORY${first_type_suffix}) 1348 else() 1349 get_target_property(ARG_OUTPUT_DIR ${target} RUNTIME_OUTPUT_DIRECTORY${first_type_suffix}) 1350 endif() 1351 if(CMAKE_CONFIGURATION_TYPES) 1352 string(FIND "${ARG_OUTPUT_DIR}" "/${first_type}/" type_start REVERSE) 1353 string(SUBSTRING "${ARG_OUTPUT_DIR}" 0 ${type_start} path_prefix) 1354 string(SUBSTRING "${ARG_OUTPUT_DIR}" ${type_start} -1 path_suffix) 1355 string(REPLACE "/${first_type}/" "/${CMAKE_CFG_INTDIR}/" 1356 path_suffix ${path_suffix}) 1357 set(ARG_OUTPUT_DIR ${path_prefix}${path_suffix}) 1358 endif() 1359 endif() 1360 1361 if(UNIX) 1362 set(LLVM_LINK_OR_COPY create_symlink) 1363 else() 1364 set(LLVM_LINK_OR_COPY copy) 1365 endif() 1366 1367 set(output_path "${ARG_OUTPUT_DIR}/${link_name}${CMAKE_EXECUTABLE_SUFFIX}") 1368 1369 set(target_name ${link_name}) 1370 if(TARGET ${link_name}) 1371 set(target_name ${link_name}-link) 1372 endif() 1373 1374 1375 if(ARG_ALWAYS_GENERATE) 1376 set_property(DIRECTORY APPEND PROPERTY 1377 ADDITIONAL_MAKE_CLEAN_FILES ${dest_binary}) 1378 add_custom_command(TARGET ${target} POST_BUILD 1379 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}") 1380 else() 1381 add_custom_command(OUTPUT ${output_path} 1382 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}" 1383 DEPENDS ${target}) 1384 add_custom_target(${target_name} ALL DEPENDS ${target} ${output_path}) 1385 set_target_properties(${target_name} PROPERTIES FOLDER Tools) 1386 1387 # Make sure both the link and target are toolchain tools 1388 if (${link_name} IN_LIST LLVM_TOOLCHAIN_TOOLS AND ${target} IN_LIST LLVM_TOOLCHAIN_TOOLS) 1389 set(TOOL_IS_TOOLCHAIN ON) 1390 endif() 1391 1392 if ((TOOL_IS_TOOLCHAIN OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) AND LLVM_BUILD_TOOLS) 1393 llvm_install_symlink(${link_name} ${target}) 1394 endif() 1395 endif() 1396 endfunction() 1397 1398 function(llvm_externalize_debuginfo name) 1399 if(NOT LLVM_EXTERNALIZE_DEBUGINFO) 1400 return() 1401 endif() 1402 1403 if(NOT LLVM_EXTERNALIZE_DEBUGINFO_SKIP_STRIP) 1404 if(APPLE) 1405 set(strip_command COMMAND xcrun strip -Sxl $<TARGET_FILE:${name}>) 1406 else() 1407 set(strip_command COMMAND strip -gx $<TARGET_FILE:${name}>) 1408 endif() 1409 endif() 1410 1411 if(APPLE) 1412 if(CMAKE_CXX_FLAGS MATCHES "-flto" 1413 OR CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE} MATCHES "-flto") 1414 1415 set(lto_object ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${name}-lto.o) 1416 set_property(TARGET ${name} APPEND_STRING PROPERTY 1417 LINK_FLAGS " -Wl,-object_path_lto,${lto_object}") 1418 endif() 1419 add_custom_command(TARGET ${name} POST_BUILD 1420 COMMAND xcrun dsymutil $<TARGET_FILE:${name}> 1421 ${strip_command} 1422 ) 1423 else() 1424 add_custom_command(TARGET ${name} POST_BUILD 1425 COMMAND objcopy --only-keep-debug $<TARGET_FILE:${name}> $<TARGET_FILE:${name}>.debug 1426 ${strip_command} -R .gnu_debuglink 1427 COMMAND objcopy --add-gnu-debuglink=$<TARGET_FILE:${name}>.debug $<TARGET_FILE:${name}> 1428 ) 1429 endif() 1430 endfunction() 1431 1432 function(llvm_setup_rpath name) 1433 if(CMAKE_INSTALL_RPATH) 1434 return() 1435 endif() 1436 1437 if(LLVM_INSTALL_PREFIX AND NOT (LLVM_INSTALL_PREFIX STREQUAL CMAKE_INSTALL_PREFIX)) 1438 set(extra_libdir ${LLVM_LIBRARY_DIR}) 1439 elseif(LLVM_BUILD_LIBRARY_DIR) 1440 set(extra_libdir ${LLVM_LIBRARY_DIR}) 1441 endif() 1442 1443 if (APPLE) 1444 set(_install_name_dir INSTALL_NAME_DIR "@rpath") 1445 set(_install_rpath "@loader_path/../lib" ${extra_libdir}) 1446 elseif(UNIX) 1447 set(_install_rpath "\$ORIGIN/../lib${LLVM_LIBDIR_SUFFIX}" ${extra_libdir}) 1448 if(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)") 1449 set_property(TARGET ${name} APPEND_STRING PROPERTY 1450 LINK_FLAGS " -Wl,-z,origin ") 1451 elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Linux" AND NOT LLVM_LINKER_IS_GOLD) 1452 # $ORIGIN is not interpreted at link time by ld.bfd 1453 set_property(TARGET ${name} APPEND_STRING PROPERTY 1454 LINK_FLAGS " -Wl,-rpath-link,${LLVM_LIBRARY_OUTPUT_INTDIR} ") 1455 endif() 1456 else() 1457 return() 1458 endif() 1459 1460 set_target_properties(${name} PROPERTIES 1461 BUILD_WITH_INSTALL_RPATH On 1462 INSTALL_RPATH "${_install_rpath}" 1463 ${_install_name_dir}) 1464 endfunction() 1465 1466 function(setup_dependency_debugging name) 1467 if(NOT LLVM_DEPENDENCY_DEBUGGING) 1468 return() 1469 endif() 1470 1471 if("intrinsics_gen" IN_LIST ARGN) 1472 return() 1473 endif() 1474 1475 set(deny_attributes_gen "(deny file* (literal \"${LLVM_BINARY_DIR}/include/llvm/IR/Attributes.gen\"))") 1476 set(deny_intrinsics_gen "(deny file* (literal \"${LLVM_BINARY_DIR}/include/llvm/IR/Intrinsics.gen\"))") 1477 1478 set(sandbox_command "sandbox-exec -p '(version 1) (allow default) ${deny_attributes_gen} ${deny_intrinsics_gen}'") 1479 set_target_properties(${name} PROPERTIES RULE_LAUNCH_COMPILE ${sandbox_command}) 1480 endfunction() 1481
