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 12 # targets can use to force EH 13 if((LLVM_REQUIRES_EH OR LLVM_ENABLE_EH) AND NOT CLANG_CL) 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 else() 19 if(LLVM_COMPILER_IS_GCC_COMPATIBLE) 20 list(APPEND LLVM_COMPILE_FLAGS "-fno-exceptions") 21 elseif(MSVC) 22 list(APPEND LLVM_COMPILE_DEFINITIONS _HAS_EXCEPTIONS=0) 23 list(APPEND LLVM_COMPILE_FLAGS "/EHs-c-") 24 endif() 25 endif() 26 27 # LLVM_REQUIRES_RTTI is an internal flag that individual 28 # targets can use to force RTTI 29 set(LLVM_CONFIG_HAS_RTTI YES CACHE INTERNAL "") 30 if(NOT (LLVM_REQUIRES_RTTI OR LLVM_ENABLE_RTTI)) 31 set(LLVM_CONFIG_HAS_RTTI NO CACHE INTERNAL "") 32 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_RTTI=0) 33 if (LLVM_COMPILER_IS_GCC_COMPATIBLE) 34 list(APPEND LLVM_COMPILE_FLAGS "-fno-rtti") 35 elseif (MSVC) 36 list(APPEND LLVM_COMPILE_FLAGS "/GR-") 37 endif () 38 endif() 39 40 # Assume that; 41 # - LLVM_COMPILE_FLAGS is list. 42 # - PROPERTY COMPILE_FLAGS is string. 43 string(REPLACE ";" " " target_compile_flags " ${LLVM_COMPILE_FLAGS}") 44 45 if(update_src_props) 46 foreach(fn ${sources}) 47 get_filename_component(suf ${fn} EXT) 48 if("${suf}" STREQUAL ".cpp") 49 set_property(SOURCE ${fn} APPEND_STRING PROPERTY 50 COMPILE_FLAGS "${target_compile_flags}") 51 endif() 52 endforeach() 53 else() 54 # Update target props, since all sources are C++. 55 set_property(TARGET ${name} APPEND_STRING PROPERTY 56 COMPILE_FLAGS "${target_compile_flags}") 57 endif() 58 59 set_property(TARGET ${name} APPEND PROPERTY COMPILE_DEFINITIONS ${LLVM_COMPILE_DEFINITIONS}) 60endfunction() 61 62function(add_llvm_symbol_exports target_name export_file) 63 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") 64 set(native_export_file "${target_name}.exports") 65 add_custom_command(OUTPUT ${native_export_file} 66 COMMAND sed -e "s/^/_/" < ${export_file} > ${native_export_file} 67 DEPENDS ${export_file} 68 VERBATIM 69 COMMENT "Creating export file for ${target_name}") 70 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 71 LINK_FLAGS " -Wl,-exported_symbols_list,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") 72 elseif(LLVM_HAVE_LINK_VERSION_SCRIPT) 73 # Gold and BFD ld require a version script rather than a plain list. 74 set(native_export_file "${target_name}.exports") 75 # FIXME: Don't write the "local:" line on OpenBSD. 76 add_custom_command(OUTPUT ${native_export_file} 77 COMMAND echo "{" > ${native_export_file} 78 COMMAND grep -q "[[:alnum:]]" ${export_file} && echo " global:" >> ${native_export_file} || : 79 COMMAND sed -e "s/$/;/" -e "s/^/ /" < ${export_file} >> ${native_export_file} 80 COMMAND echo " local: *;" >> ${native_export_file} 81 COMMAND echo "};" >> ${native_export_file} 82 DEPENDS ${export_file} 83 VERBATIM 84 COMMENT "Creating export file for ${target_name}") 85 if (${CMAKE_SYSTEM_NAME} MATCHES "SunOS") 86 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 87 LINK_FLAGS " -Wl,-M,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") 88 else() 89 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 90 LINK_FLAGS " -Wl,--version-script,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") 91 endif() 92 else() 93 set(native_export_file "${target_name}.def") 94 95 add_custom_command(OUTPUT ${native_export_file} 96 COMMAND ${PYTHON_EXECUTABLE} -c "import sys;print(''.join(['EXPORTS\\n']+sys.stdin.readlines(),))" 97 < ${export_file} > ${native_export_file} 98 DEPENDS ${export_file} 99 VERBATIM 100 COMMENT "Creating export file for ${target_name}") 101 set(export_file_linker_flag "${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") 102 if(MSVC) 103 set(export_file_linker_flag "/DEF:\"${export_file_linker_flag}\"") 104 endif() 105 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 106 LINK_FLAGS " ${export_file_linker_flag}") 107 endif() 108 109 add_custom_target(${target_name}_exports DEPENDS ${native_export_file}) 110 set_target_properties(${target_name}_exports PROPERTIES FOLDER "Misc") 111 112 get_property(srcs TARGET ${target_name} PROPERTY SOURCES) 113 foreach(src ${srcs}) 114 get_filename_component(extension ${src} EXT) 115 if(extension STREQUAL ".cpp") 116 set(first_source_file ${src}) 117 break() 118 endif() 119 endforeach() 120 121 # Force re-linking when the exports file changes. Actually, it 122 # forces recompilation of the source file. The LINK_DEPENDS target 123 # property only works for makefile-based generators. 124 # FIXME: This is not safe because this will create the same target 125 # ${native_export_file} in several different file: 126 # - One where we emitted ${target_name}_exports 127 # - One where we emitted the build command for the following object. 128 # set_property(SOURCE ${first_source_file} APPEND PROPERTY 129 # OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}) 130 131 set_property(DIRECTORY APPEND 132 PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${native_export_file}) 133 134 add_dependencies(${target_name} ${target_name}_exports) 135 136 # Add dependency to *_exports later -- CMake issue 14747 137 list(APPEND LLVM_COMMON_DEPENDS ${target_name}_exports) 138 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} PARENT_SCOPE) 139endfunction(add_llvm_symbol_exports) 140 141if(NOT WIN32 AND NOT APPLE) 142 execute_process( 143 COMMAND ${CMAKE_C_COMPILER} -Wl,--version 144 OUTPUT_VARIABLE stdout 145 ERROR_QUIET 146 ) 147 if("${stdout}" MATCHES "GNU gold") 148 set(LLVM_LINKER_IS_GOLD ON) 149 endif() 150endif() 151 152function(add_link_opts target_name) 153 # Don't use linker optimizations in debug builds since it slows down the 154 # linker in a context where the optimizations are not important. 155 if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG") 156 157 # Pass -O3 to the linker. This enabled different optimizations on different 158 # linkers. 159 if(NOT (${CMAKE_SYSTEM_NAME} MATCHES "Darwin|SunOS" OR WIN32)) 160 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 161 LINK_FLAGS " -Wl,-O3") 162 endif() 163 164 if(LLVM_LINKER_IS_GOLD) 165 # With gold gc-sections is always safe. 166 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 167 LINK_FLAGS " -Wl,--gc-sections") 168 # Note that there is a bug with -Wl,--icf=safe so it is not safe 169 # to enable. See https://sourceware.org/bugzilla/show_bug.cgi?id=17704. 170 endif() 171 172 if(NOT LLVM_NO_DEAD_STRIP) 173 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") 174 # ld64's implementation of -dead_strip breaks tools that use plugins. 175 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 176 LINK_FLAGS " -Wl,-dead_strip") 177 elseif(${CMAKE_SYSTEM_NAME} MATCHES "SunOS") 178 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 179 LINK_FLAGS " -Wl,-z -Wl,discard-unused=sections") 180 elseif(NOT WIN32 AND NOT LLVM_LINKER_IS_GOLD) 181 # Object files are compiled with -ffunction-data-sections. 182 # Versions of bfd ld < 2.23.1 have a bug in --gc-sections that breaks 183 # tools that use plugins. Always pass --gc-sections once we require 184 # a newer linker. 185 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 186 LINK_FLAGS " -Wl,--gc-sections") 187 endif() 188 endif() 189 endif() 190endfunction(add_link_opts) 191 192# Set each output directory according to ${CMAKE_CONFIGURATION_TYPES}. 193# Note: Don't set variables CMAKE_*_OUTPUT_DIRECTORY any more, 194# or a certain builder, for eaxample, msbuild.exe, would be confused. 195function(set_output_directory target) 196 cmake_parse_arguments(ARG "" "BINARY_DIR;LIBRARY_DIR" "" ${ARGN}) 197 198 # module_dir -- corresponding to LIBRARY_OUTPUT_DIRECTORY. 199 # It affects output of add_library(MODULE). 200 if(WIN32 OR CYGWIN) 201 # DLL platform 202 set(module_dir ${ARG_BINARY_DIR}) 203 else() 204 set(module_dir ${ARG_LIBRARY_DIR}) 205 endif() 206 if(NOT "${CMAKE_CFG_INTDIR}" STREQUAL ".") 207 foreach(build_mode ${CMAKE_CONFIGURATION_TYPES}) 208 string(TOUPPER "${build_mode}" CONFIG_SUFFIX) 209 if(ARG_BINARY_DIR) 210 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} bi ${ARG_BINARY_DIR}) 211 set_target_properties(${target} PROPERTIES "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${bi}) 212 endif() 213 if(ARG_LIBRARY_DIR) 214 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} li ${ARG_LIBRARY_DIR}) 215 set_target_properties(${target} PROPERTIES "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${li}) 216 endif() 217 if(module_dir) 218 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} mi ${module_dir}) 219 set_target_properties(${target} PROPERTIES "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${mi}) 220 endif() 221 endforeach() 222 else() 223 if(ARG_BINARY_DIR) 224 set_target_properties(${target} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${ARG_BINARY_DIR}) 225 endif() 226 if(ARG_LIBRARY_DIR) 227 set_target_properties(${target} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${ARG_LIBRARY_DIR}) 228 endif() 229 if(module_dir) 230 set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${module_dir}) 231 endif() 232 endif() 233endfunction() 234 235# If on Windows and building with MSVC, add the resource script containing the 236# VERSIONINFO data to the project. This embeds version resource information 237# into the output .exe or .dll. 238# TODO: Enable for MinGW Windows builds too. 239# 240function(add_windows_version_resource_file OUT_VAR) 241 set(sources ${ARGN}) 242 if (MSVC) 243 set(resource_file ${LLVM_SOURCE_DIR}/resources/windows_version_resource.rc) 244 if(EXISTS ${resource_file}) 245 set(sources ${sources} ${resource_file}) 246 source_group("Resource Files" ${resource_file}) 247 set(windows_resource_file ${resource_file} PARENT_SCOPE) 248 endif() 249 endif(MSVC) 250 251 set(${OUT_VAR} ${sources} PARENT_SCOPE) 252endfunction(add_windows_version_resource_file) 253 254# set_windows_version_resource_properties(name resource_file... 255# VERSION_MAJOR int 256# Optional major version number (defaults to LLVM_VERSION_MAJOR) 257# VERSION_MINOR int 258# Optional minor version number (defaults to LLVM_VERSION_MINOR) 259# VERSION_PATCHLEVEL int 260# Optional patchlevel version number (defaults to LLVM_VERSION_PATCH) 261# VERSION_STRING 262# Optional version string (defaults to PACKAGE_VERSION) 263# PRODUCT_NAME 264# Optional product name string (defaults to "LLVM") 265# ) 266function(set_windows_version_resource_properties name resource_file) 267 cmake_parse_arguments(ARG 268 "" 269 "VERSION_MAJOR;VERSION_MINOR;VERSION_PATCHLEVEL;VERSION_STRING;PRODUCT_NAME" 270 "" 271 ${ARGN}) 272 273 if (NOT DEFINED ARG_VERSION_MAJOR) 274 set(ARG_VERSION_MAJOR ${LLVM_VERSION_MAJOR}) 275 endif() 276 277 if (NOT DEFINED ARG_VERSION_MINOR) 278 set(ARG_VERSION_MINOR ${LLVM_VERSION_MINOR}) 279 endif() 280 281 if (NOT DEFINED ARG_VERSION_PATCHLEVEL) 282 set(ARG_VERSION_PATCHLEVEL ${LLVM_VERSION_PATCH}) 283 endif() 284 285 if (NOT DEFINED ARG_VERSION_STRING) 286 set(ARG_VERSION_STRING ${PACKAGE_VERSION}) 287 endif() 288 289 if (NOT DEFINED ARG_PRODUCT_NAME) 290 set(ARG_PRODUCT_NAME "LLVM") 291 endif() 292 293 set_property(SOURCE ${resource_file} 294 PROPERTY COMPILE_FLAGS /nologo) 295 set_property(SOURCE ${resource_file} 296 PROPERTY COMPILE_DEFINITIONS 297 "RC_VERSION_FIELD_1=${ARG_VERSION_MAJOR}" 298 "RC_VERSION_FIELD_2=${ARG_VERSION_MINOR}" 299 "RC_VERSION_FIELD_3=${ARG_VERSION_PATCHLEVEL}" 300 "RC_VERSION_FIELD_4=0" 301 "RC_FILE_VERSION=\"${ARG_VERSION_STRING}\"" 302 "RC_INTERNAL_NAME=\"${name}\"" 303 "RC_PRODUCT_NAME=\"${ARG_PRODUCT_NAME}\"" 304 "RC_PRODUCT_VERSION=\"${ARG_VERSION_STRING}\"") 305endfunction(set_windows_version_resource_properties) 306 307# llvm_add_library(name sources... 308# SHARED;STATIC 309# STATIC by default w/o BUILD_SHARED_LIBS. 310# SHARED by default w/ BUILD_SHARED_LIBS. 311# MODULE 312# Target ${name} might not be created on unsupported platforms. 313# Check with "if(TARGET ${name})". 314# DISABLE_LLVM_LINK_LLVM_DYLIB 315# Do not link this library to libLLVM, even if 316# LLVM_LINK_LLVM_DYLIB is enabled. 317# OUTPUT_NAME name 318# Corresponds to OUTPUT_NAME in target properties. 319# DEPENDS targets... 320# Same semantics as add_dependencies(). 321# LINK_COMPONENTS components... 322# Same as the variable LLVM_LINK_COMPONENTS. 323# LINK_LIBS lib_targets... 324# Same semantics as target_link_libraries(). 325# ADDITIONAL_HEADERS 326# May specify header files for IDE generators. 327# SONAME 328# Should set SONAME link flags and create symlinks 329# ) 330function(llvm_add_library name) 331 cmake_parse_arguments(ARG 332 "MODULE;SHARED;STATIC;DISABLE_LLVM_LINK_LLVM_DYLIB;SONAME" 333 "OUTPUT_NAME" 334 "ADDITIONAL_HEADERS;DEPENDS;LINK_COMPONENTS;LINK_LIBS;OBJLIBS" 335 ${ARGN}) 336 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS}) 337 if(ARG_ADDITIONAL_HEADERS) 338 # Pass through ADDITIONAL_HEADERS. 339 set(ARG_ADDITIONAL_HEADERS ADDITIONAL_HEADERS ${ARG_ADDITIONAL_HEADERS}) 340 endif() 341 if(ARG_OBJLIBS) 342 set(ALL_FILES ${ARG_OBJLIBS}) 343 else() 344 llvm_process_sources(ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ${ARG_ADDITIONAL_HEADERS}) 345 endif() 346 347 if(ARG_MODULE) 348 if(ARG_SHARED OR ARG_STATIC) 349 message(WARNING "MODULE with SHARED|STATIC doesn't make sense.") 350 endif() 351 if(NOT LLVM_ENABLE_PLUGINS) 352 message(STATUS "${name} ignored -- Loadable modules not supported on this platform.") 353 return() 354 endif() 355 else() 356 if(BUILD_SHARED_LIBS AND NOT ARG_STATIC) 357 set(ARG_SHARED TRUE) 358 endif() 359 if(NOT ARG_SHARED) 360 set(ARG_STATIC TRUE) 361 endif() 362 endif() 363 364 # Generate objlib 365 if(ARG_SHARED AND ARG_STATIC) 366 # Generate an obj library for both targets. 367 set(obj_name "obj.${name}") 368 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL 369 ${ALL_FILES} 370 ) 371 llvm_update_compile_flags(${obj_name}) 372 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>") 373 374 # Do add_dependencies(obj) later due to CMake issue 14747. 375 list(APPEND objlibs ${obj_name}) 376 377 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") 378 endif() 379 380 if(ARG_SHARED AND ARG_STATIC) 381 # static 382 set(name_static "${name}_static") 383 if(ARG_OUTPUT_NAME) 384 set(output_name OUTPUT_NAME "${ARG_OUTPUT_NAME}") 385 endif() 386 # DEPENDS has been appended to LLVM_COMMON_LIBS. 387 llvm_add_library(${name_static} STATIC 388 ${output_name} 389 OBJLIBS ${ALL_FILES} # objlib 390 LINK_LIBS ${ARG_LINK_LIBS} 391 LINK_COMPONENTS ${ARG_LINK_COMPONENTS} 392 ) 393 # FIXME: Add name_static to anywhere in TARGET ${name}'s PROPERTY. 394 set(ARG_STATIC) 395 endif() 396 397 if(ARG_MODULE) 398 add_library(${name} MODULE ${ALL_FILES}) 399 elseif(ARG_SHARED) 400 add_windows_version_resource_file(ALL_FILES ${ALL_FILES}) 401 add_library(${name} SHARED ${ALL_FILES}) 402 else() 403 add_library(${name} STATIC ${ALL_FILES}) 404 endif() 405 406 if(DEFINED windows_resource_file) 407 set_windows_version_resource_properties(${name} ${windows_resource_file}) 408 set(windows_resource_file ${windows_resource_file} PARENT_SCOPE) 409 endif() 410 411 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) 412 # $<TARGET_OBJECTS> doesn't require compile flags. 413 if(NOT obj_name) 414 llvm_update_compile_flags(${name}) 415 endif() 416 add_link_opts( ${name} ) 417 if(ARG_OUTPUT_NAME) 418 set_target_properties(${name} 419 PROPERTIES 420 OUTPUT_NAME ${ARG_OUTPUT_NAME} 421 ) 422 endif() 423 424 if(ARG_MODULE) 425 set_target_properties(${name} PROPERTIES 426 PREFIX "" 427 SUFFIX ${LLVM_PLUGIN_EXT} 428 ) 429 endif() 430 431 if(ARG_SHARED) 432 if(WIN32) 433 set_target_properties(${name} PROPERTIES 434 PREFIX "" 435 ) 436 endif() 437 endif() 438 439 if(ARG_MODULE OR ARG_SHARED) 440 # Do not add -Dname_EXPORTS to the command-line when building files in this 441 # target. Doing so is actively harmful for the modules build because it 442 # creates extra module variants, and not useful because we don't use these 443 # macros. 444 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) 445 446 if (LLVM_EXPORTED_SYMBOL_FILE) 447 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 448 endif() 449 endif() 450 451 if(ARG_SHARED AND UNIX) 452 if(NOT APPLE AND ARG_SONAME) 453 get_target_property(output_name ${name} OUTPUT_NAME) 454 if(${output_name} STREQUAL "output_name-NOTFOUND") 455 set(output_name ${name}) 456 endif() 457 set(library_name ${output_name}-${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}${LLVM_VERSION_SUFFIX}) 458 set(api_name ${output_name}-${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX}) 459 set_target_properties(${name} PROPERTIES OUTPUT_NAME ${library_name}) 460 llvm_install_library_symlink(${api_name} ${library_name} SHARED 461 COMPONENT ${name} 462 ALWAYS_GENERATE) 463 llvm_install_library_symlink(${output_name} ${library_name} SHARED 464 COMPONENT ${name} 465 ALWAYS_GENERATE) 466 endif() 467 endif() 468 469 # Add the explicit dependency information for this library. 470 # 471 # It would be nice to verify that we have the dependencies for this library 472 # name, but using get_property(... SET) doesn't suffice to determine if a 473 # property has been set to an empty value. 474 get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${name}) 475 476 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_STATIC AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB) 477 set(llvm_libs LLVM) 478 else() 479 llvm_map_components_to_libnames(llvm_libs 480 ${ARG_LINK_COMPONENTS} 481 ${LLVM_LINK_COMPONENTS} 482 ) 483 endif() 484 485 if(CMAKE_VERSION VERSION_LESS 2.8.12) 486 # Link libs w/o keywords, assuming PUBLIC. 487 target_link_libraries(${name} 488 ${ARG_LINK_LIBS} 489 ${lib_deps} 490 ${llvm_libs} 491 ) 492 elseif(ARG_STATIC) 493 target_link_libraries(${name} INTERFACE 494 ${ARG_LINK_LIBS} 495 ${lib_deps} 496 ${llvm_libs} 497 ) 498 else() 499 # We can use PRIVATE since SO knows its dependent libs. 500 target_link_libraries(${name} PRIVATE 501 ${ARG_LINK_LIBS} 502 ${lib_deps} 503 ${llvm_libs} 504 ) 505 endif() 506 507 if(LLVM_COMMON_DEPENDS) 508 add_dependencies(${name} ${LLVM_COMMON_DEPENDS}) 509 # Add dependencies also to objlibs. 510 # CMake issue 14747 -- add_dependencies() might be ignored to objlib's user. 511 foreach(objlib ${objlibs}) 512 add_dependencies(${objlib} ${LLVM_COMMON_DEPENDS}) 513 endforeach() 514 endif() 515 516 if(ARG_SHARED OR ARG_MODULE) 517 llvm_externalize_debuginfo(${name}) 518 endif() 519endfunction() 520 521macro(add_llvm_library name) 522 cmake_parse_arguments(ARG 523 "SHARED" 524 "" 525 "" 526 ${ARGN}) 527 if( BUILD_SHARED_LIBS ) 528 llvm_add_library(${name} SHARED ${ARGN}) 529 else() 530 llvm_add_library(${name} ${ARGN}) 531 endif() 532 # The gtest libraries should not be installed or exported as a target 533 if ("${name}" STREQUAL gtest OR "${name}" STREQUAL gtest_main) 534 set(_is_gtest TRUE) 535 else() 536 set(_is_gtest FALSE) 537 set_property( GLOBAL APPEND PROPERTY LLVM_LIBS ${name} ) 538 endif() 539 540 if( EXCLUDE_FROM_ALL ) 541 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON) 542 elseif(NOT _is_gtest) 543 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "LTO") 544 set(install_dir lib${LLVM_LIBDIR_SUFFIX}) 545 if(ARG_SHARED OR BUILD_SHARED_LIBS) 546 if(WIN32 OR CYGWIN OR MINGW) 547 set(install_type RUNTIME) 548 set(install_dir bin) 549 else() 550 set(install_type LIBRARY) 551 endif() 552 else() 553 set(install_type ARCHIVE) 554 endif() 555 556 install(TARGETS ${name} 557 EXPORT LLVMExports 558 ${install_type} DESTINATION ${install_dir} 559 COMPONENT ${name}) 560 561 if (NOT CMAKE_CONFIGURATION_TYPES) 562 add_custom_target(install-${name} 563 DEPENDS ${name} 564 COMMAND "${CMAKE_COMMAND}" 565 -DCMAKE_INSTALL_COMPONENT=${name} 566 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") 567 endif() 568 endif() 569 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 570 endif() 571 set_target_properties(${name} PROPERTIES FOLDER "Libraries") 572endmacro(add_llvm_library name) 573 574macro(add_llvm_loadable_module name) 575 llvm_add_library(${name} MODULE ${ARGN}) 576 if(NOT TARGET ${name}) 577 # Add empty "phony" target 578 add_custom_target(${name}) 579 else() 580 if( EXCLUDE_FROM_ALL ) 581 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON) 582 else() 583 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 584 if(WIN32 OR CYGWIN) 585 # DLL platform 586 set(dlldir "bin") 587 else() 588 set(dlldir "lib${LLVM_LIBDIR_SUFFIX}") 589 endif() 590 install(TARGETS ${name} 591 EXPORT LLVMExports 592 LIBRARY DESTINATION ${dlldir} 593 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}) 594 endif() 595 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 596 endif() 597 endif() 598 599 set_target_properties(${name} PROPERTIES FOLDER "Loadable modules") 600endmacro(add_llvm_loadable_module name) 601 602 603macro(add_llvm_executable name) 604 cmake_parse_arguments(ARG "DISABLE_LLVM_LINK_LLVM_DYLIB;IGNORE_EXTERNALIZE_DEBUGINFO" "" "" ${ARGN}) 605 llvm_process_sources( ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ) 606 607 # Generate objlib 608 if(LLVM_ENABLE_OBJLIB) 609 # Generate an obj library for both targets. 610 set(obj_name "obj.${name}") 611 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL 612 ${ALL_FILES} 613 ) 614 llvm_update_compile_flags(${obj_name}) 615 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>") 616 617 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") 618 endif() 619 620 add_windows_version_resource_file(ALL_FILES ${ALL_FILES}) 621 622 if(XCODE) 623 # Note: the dummy.cpp source file provides no definitions. However, 624 # it forces Xcode to properly link the static library. 625 list(APPEND ALL_FILES "${LLVM_MAIN_SRC_DIR}/cmake/dummy.cpp") 626 endif() 627 628 if( EXCLUDE_FROM_ALL ) 629 add_executable(${name} EXCLUDE_FROM_ALL ${ALL_FILES}) 630 else() 631 add_executable(${name} ${ALL_FILES}) 632 endif() 633 634 if(DEFINED windows_resource_file) 635 set_windows_version_resource_properties(${name} ${windows_resource_file}) 636 endif() 637 638 # $<TARGET_OBJECTS> doesn't require compile flags. 639 if(NOT LLVM_ENABLE_OBJLIB) 640 llvm_update_compile_flags(${name}) 641 endif() 642 add_link_opts( ${name} ) 643 644 # Do not add -Dname_EXPORTS to the command-line when building files in this 645 # target. Doing so is actively harmful for the modules build because it 646 # creates extra module variants, and not useful because we don't use these 647 # macros. 648 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) 649 650 if (LLVM_EXPORTED_SYMBOL_FILE) 651 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 652 endif(LLVM_EXPORTED_SYMBOL_FILE) 653 654 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB) 655 set(USE_SHARED USE_SHARED) 656 endif() 657 658 set(EXCLUDE_FROM_ALL OFF) 659 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) 660 llvm_config( ${name} ${USE_SHARED} ${LLVM_LINK_COMPONENTS} ) 661 if( LLVM_COMMON_DEPENDS ) 662 add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} ) 663 endif( LLVM_COMMON_DEPENDS ) 664 665 if(NOT ARG_IGNORE_EXTERNALIZE_DEBUGINFO) 666 llvm_externalize_debuginfo(${name}) 667 endif() 668endmacro(add_llvm_executable name) 669 670function(export_executable_symbols target) 671 if (NOT MSVC) # MSVC's linker doesn't support exporting all symbols. 672 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 673 if (APPLE) 674 set_property(TARGET ${target} APPEND_STRING PROPERTY 675 LINK_FLAGS " -rdynamic") 676 endif() 677 endif() 678endfunction() 679 680if(NOT LLVM_TOOLCHAIN_TOOLS) 681 set (LLVM_TOOLCHAIN_TOOLS 682 llvm-ar 683 llvm-ranlib 684 llvm-lib 685 llvm-objdump 686 ) 687endif() 688 689macro(add_llvm_tool name) 690 if( NOT LLVM_BUILD_TOOLS ) 691 set(EXCLUDE_FROM_ALL ON) 692 endif() 693 add_llvm_executable(${name} ${ARGN}) 694 695 list(FIND LLVM_TOOLCHAIN_TOOLS ${name} LLVM_IS_${name}_TOOLCHAIN_TOOL) 696 if (LLVM_IS_${name}_TOOLCHAIN_TOOL GREATER -1 OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 697 if( LLVM_BUILD_TOOLS ) 698 install(TARGETS ${name} 699 EXPORT LLVMExports 700 RUNTIME DESTINATION bin 701 COMPONENT ${name}) 702 703 if (NOT CMAKE_CONFIGURATION_TYPES) 704 add_custom_target(install-${name} 705 DEPENDS ${name} 706 COMMAND "${CMAKE_COMMAND}" 707 -DCMAKE_INSTALL_COMPONENT=${name} 708 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") 709 endif() 710 endif() 711 endif() 712 if( LLVM_BUILD_TOOLS ) 713 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 714 endif() 715 set_target_properties(${name} PROPERTIES FOLDER "Tools") 716endmacro(add_llvm_tool name) 717 718 719macro(add_llvm_example name) 720 if( NOT LLVM_BUILD_EXAMPLES ) 721 set(EXCLUDE_FROM_ALL ON) 722 endif() 723 add_llvm_executable(${name} ${ARGN}) 724 if( LLVM_BUILD_EXAMPLES ) 725 install(TARGETS ${name} RUNTIME DESTINATION examples) 726 endif() 727 set_target_properties(${name} PROPERTIES FOLDER "Examples") 728endmacro(add_llvm_example name) 729 730 731macro(add_llvm_utility name) 732 add_llvm_executable(${name} DISABLE_LLVM_LINK_LLVM_DYLIB ${ARGN}) 733 set_target_properties(${name} PROPERTIES FOLDER "Utils") 734 if( LLVM_INSTALL_UTILS ) 735 install (TARGETS ${name} 736 RUNTIME DESTINATION bin 737 COMPONENT ${name}) 738 if (NOT CMAKE_CONFIGURATION_TYPES) 739 add_custom_target(install-${name} 740 DEPENDS ${name} 741 COMMAND "${CMAKE_COMMAND}" 742 -DCMAKE_INSTALL_COMPONENT=${name} 743 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") 744 endif() 745 endif() 746endmacro(add_llvm_utility name) 747 748 749macro(add_llvm_target target_name) 750 include_directories(BEFORE 751 ${CMAKE_CURRENT_BINARY_DIR} 752 ${CMAKE_CURRENT_SOURCE_DIR}) 753 add_llvm_library(LLVM${target_name} ${ARGN}) 754 set( CURRENT_LLVM_TARGET LLVM${target_name} ) 755endmacro(add_llvm_target) 756 757function(canonicalize_tool_name name output) 758 string(REPLACE "${CMAKE_CURRENT_SOURCE_DIR}/" "" nameStrip ${name}) 759 string(REPLACE "-" "_" nameUNDERSCORE ${nameStrip}) 760 string(TOUPPER ${nameUNDERSCORE} nameUPPER) 761 set(${output} "${nameUPPER}" PARENT_SCOPE) 762endfunction(canonicalize_tool_name) 763 764# Custom add_subdirectory wrapper 765# Takes in a project name (i.e. LLVM), the the subdirectory name, and an 766# and an optional path if it differs from the name. 767macro(add_llvm_subdirectory project type name) 768 set(add_llvm_external_dir "${ARGN}") 769 if("${add_llvm_external_dir}" STREQUAL "") 770 set(add_llvm_external_dir ${name}) 771 endif() 772 canonicalize_tool_name(${name} nameUPPER) 773 if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}/CMakeLists.txt) 774 # Treat it as in-tree subproject. 775 option(${project}_${type}_${nameUPPER}_BUILD 776 "Whether to build ${name} as part of ${project}" On) 777 mark_as_advanced(${project}_${type}_${name}_BUILD) 778 if(${project}_${type}_${nameUPPER}_BUILD) 779 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir} ${add_llvm_external_dir}) 780 # Don't process it in add_llvm_implicit_projects(). 781 set(${project}_${type}_${nameUPPER}_BUILD OFF) 782 endif() 783 else() 784 set(LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR 785 "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" 786 CACHE PATH "Path to ${name} source directory") 787 set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT ON) 788 if(NOT LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR OR NOT EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}) 789 set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT OFF) 790 endif() 791 if("${LLVM_EXTERNAL_${nameUPPER}_BUILD}" STREQUAL "OFF") 792 set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT OFF) 793 endif() 794 option(${project}_${type}_${nameUPPER}_BUILD 795 "Whether to build ${name} as part of LLVM" 796 ${${project}_${type}_${nameUPPER}_BUILD_DEFAULT}) 797 if (${project}_${type}_${nameUPPER}_BUILD) 798 if(EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}) 799 add_subdirectory(${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} ${add_llvm_external_dir}) 800 elseif(NOT "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" STREQUAL "") 801 message(WARNING "Nonexistent directory for ${name}: ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}") 802 endif() 803 # FIXME: It'd be redundant. 804 set(${project}_${type}_${nameUPPER}_BUILD Off) 805 endif() 806 endif() 807endmacro() 808 809# Add external project that may want to be built as part of llvm such as Clang, 810# lld, and Polly. This adds two options. One for the source directory of the 811# project, which defaults to ${CMAKE_CURRENT_SOURCE_DIR}/${name}. Another to 812# enable or disable building it with everything else. 813# Additional parameter can be specified as the name of directory. 814macro(add_llvm_external_project name) 815 add_llvm_subdirectory(LLVM TOOL ${name} ${ARGN}) 816endmacro() 817 818macro(add_llvm_tool_subdirectory name) 819 add_llvm_external_project(${name}) 820endmacro(add_llvm_tool_subdirectory) 821 822function(get_project_name_from_src_var var output) 823 string(REGEX MATCH "LLVM_EXTERNAL_(.*)_SOURCE_DIR" 824 MACHED_TOOL "${var}") 825 if(MACHED_TOOL) 826 set(${output} ${CMAKE_MATCH_1} PARENT_SCOPE) 827 else() 828 set(${output} PARENT_SCOPE) 829 endif() 830endfunction() 831 832function(create_subdirectory_options project type) 833 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") 834 foreach(dir ${sub-dirs}) 835 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt") 836 canonicalize_tool_name(${dir} name) 837 option(${project}_${type}_${name}_BUILD 838 "Whether to build ${name} as part of ${project}" On) 839 mark_as_advanced(${project}_${type}_${name}_BUILD) 840 endif() 841 endforeach() 842endfunction(create_subdirectory_options) 843 844function(create_llvm_tool_options) 845 create_subdirectory_options(LLVM TOOL) 846endfunction(create_llvm_tool_options) 847 848function(add_llvm_implicit_projects) 849 set(list_of_implicit_subdirs "") 850 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") 851 foreach(dir ${sub-dirs}) 852 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt") 853 canonicalize_tool_name(${dir} name) 854 if (LLVM_TOOL_${name}_BUILD) 855 get_filename_component(fn "${dir}" NAME) 856 list(APPEND list_of_implicit_subdirs "${fn}") 857 endif() 858 endif() 859 endforeach() 860 861 foreach(external_proj ${list_of_implicit_subdirs}) 862 add_llvm_external_project("${external_proj}") 863 endforeach() 864endfunction(add_llvm_implicit_projects) 865 866# Generic support for adding a unittest. 867function(add_unittest test_suite test_name) 868 if( NOT LLVM_BUILD_TESTS ) 869 set(EXCLUDE_FROM_ALL ON) 870 endif() 871 872 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include) 873 if (NOT LLVM_ENABLE_THREADS) 874 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_PTHREAD=0) 875 endif () 876 877 if (SUPPORTS_NO_VARIADIC_MACROS_FLAG) 878 list(APPEND LLVM_COMPILE_FLAGS "-Wno-variadic-macros") 879 endif () 880 881 set(LLVM_REQUIRES_RTTI OFF) 882 883 add_llvm_executable(${test_name} IGNORE_EXTERNALIZE_DEBUGINFO ${ARGN}) 884 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}) 885 set_output_directory(${test_name} BINARY_DIR ${outdir} LIBRARY_DIR ${outdir}) 886 target_link_libraries(${test_name} 887 gtest 888 gtest_main 889 LLVMSupport # gtest needs it for raw_ostream. 890 ) 891 892 add_dependencies(${test_suite} ${test_name}) 893 get_target_property(test_suite_folder ${test_suite} FOLDER) 894 if (NOT ${test_suite_folder} STREQUAL "NOTFOUND") 895 set_property(TARGET ${test_name} PROPERTY FOLDER "${test_suite_folder}") 896 endif () 897endfunction() 898 899function(llvm_add_go_executable binary pkgpath) 900 cmake_parse_arguments(ARG "ALL" "" "DEPENDS;GOFLAGS" ${ARGN}) 901 902 if(LLVM_BINDINGS MATCHES "go") 903 # FIXME: This should depend only on the libraries Go needs. 904 get_property(llvmlibs GLOBAL PROPERTY LLVM_LIBS) 905 set(binpath ${CMAKE_BINARY_DIR}/bin/${binary}${CMAKE_EXECUTABLE_SUFFIX}) 906 set(cc "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}") 907 set(cxx "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}") 908 set(cppflags "") 909 get_property(include_dirs DIRECTORY PROPERTY INCLUDE_DIRECTORIES) 910 foreach(d ${include_dirs}) 911 set(cppflags "${cppflags} -I${d}") 912 endforeach(d) 913 set(ldflags "${CMAKE_EXE_LINKER_FLAGS}") 914 if (LLVM_LINK_LLVM_DYLIB) 915 set(linkmode "dylib") 916 else() 917 set(linkmode "component-libs") 918 endif() 919 add_custom_command(OUTPUT ${binpath} 920 COMMAND ${CMAKE_BINARY_DIR}/bin/llvm-go "go=${GO_EXECUTABLE}" "cc=${cc}" "cxx=${cxx}" "cppflags=${cppflags}" "ldflags=${ldflags}" "linkmode=${linkmode}" 921 ${ARG_GOFLAGS} build -o ${binpath} ${pkgpath} 922 DEPENDS llvm-config ${CMAKE_BINARY_DIR}/bin/llvm-go${CMAKE_EXECUTABLE_SUFFIX} 923 ${llvmlibs} ${ARG_DEPENDS} 924 COMMENT "Building Go executable ${binary}" 925 VERBATIM) 926 if (ARG_ALL) 927 add_custom_target(${binary} ALL DEPENDS ${binpath}) 928 else() 929 add_custom_target(${binary} DEPENDS ${binpath}) 930 endif() 931 endif() 932endfunction() 933 934# This function provides an automatic way to 'configure'-like generate a file 935# based on a set of common and custom variables, specifically targeting the 936# variables needed for the 'lit.site.cfg' files. This function bundles the 937# common variables that any Lit instance is likely to need, and custom 938# variables can be passed in. 939function(configure_lit_site_cfg input output) 940 foreach(c ${LLVM_TARGETS_TO_BUILD}) 941 set(TARGETS_BUILT "${TARGETS_BUILT} ${c}") 942 endforeach(c) 943 set(TARGETS_TO_BUILD ${TARGETS_BUILT}) 944 945 set(SHLIBEXT "${LTDL_SHLIB_EXT}") 946 947 # Configuration-time: See Unit/lit.site.cfg.in 948 if (CMAKE_CFG_INTDIR STREQUAL ".") 949 set(LLVM_BUILD_MODE ".") 950 else () 951 set(LLVM_BUILD_MODE "%(build_mode)s") 952 endif () 953 954 # They below might not be the build tree but provided binary tree. 955 set(LLVM_SOURCE_DIR ${LLVM_MAIN_SRC_DIR}) 956 set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR}) 957 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_TOOLS_DIR ${LLVM_TOOLS_BINARY_DIR}) 958 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_LIBS_DIR ${LLVM_LIBRARY_DIR}) 959 960 # SHLIBDIR points the build tree. 961 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} SHLIBDIR "${LLVM_SHLIB_OUTPUT_INTDIR}") 962 963 set(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE}) 964 # FIXME: "ENABLE_SHARED" doesn't make sense, since it is used just for 965 # plugins. We may rename it. 966 if(LLVM_ENABLE_PLUGINS) 967 set(ENABLE_SHARED "1") 968 else() 969 set(ENABLE_SHARED "0") 970 endif() 971 972 if(LLVM_ENABLE_ASSERTIONS AND NOT MSVC_IDE) 973 set(ENABLE_ASSERTIONS "1") 974 else() 975 set(ENABLE_ASSERTIONS "0") 976 endif() 977 978 set(HOST_OS ${CMAKE_SYSTEM_NAME}) 979 set(HOST_ARCH ${CMAKE_SYSTEM_PROCESSOR}) 980 981 set(HOST_CC "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}") 982 set(HOST_CXX "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}") 983 set(HOST_LDFLAGS "${CMAKE_EXE_LINKER_FLAGS}") 984 985 configure_file(${input} ${output} @ONLY) 986endfunction() 987 988# A raw function to create a lit target. This is used to implement the testuite 989# management functions. 990function(add_lit_target target comment) 991 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 992 set(LIT_ARGS "${ARG_ARGS} ${LLVM_LIT_ARGS}") 993 separate_arguments(LIT_ARGS) 994 if (NOT CMAKE_CFG_INTDIR STREQUAL ".") 995 list(APPEND LIT_ARGS --param build_mode=${CMAKE_CFG_INTDIR}) 996 endif () 997 if (LLVM_MAIN_SRC_DIR) 998 set (LIT_COMMAND ${PYTHON_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py) 999 else() 1000 find_program(LIT_COMMAND llvm-lit) 1001 endif () 1002 list(APPEND LIT_COMMAND ${LIT_ARGS}) 1003 foreach(param ${ARG_PARAMS}) 1004 list(APPEND LIT_COMMAND --param ${param}) 1005 endforeach() 1006 if (ARG_UNPARSED_ARGUMENTS) 1007 add_custom_target(${target} 1008 COMMAND ${LIT_COMMAND} ${ARG_UNPARSED_ARGUMENTS} 1009 COMMENT "${comment}" 1010 ${cmake_3_2_USES_TERMINAL} 1011 ) 1012 else() 1013 add_custom_target(${target} 1014 COMMAND ${CMAKE_COMMAND} -E echo "${target} does nothing, no tools built.") 1015 message(STATUS "${target} does nothing.") 1016 endif() 1017 if (ARG_DEPENDS) 1018 add_dependencies(${target} ${ARG_DEPENDS}) 1019 endif() 1020 1021 # Tests should be excluded from "Build Solution". 1022 set_target_properties(${target} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD ON) 1023endfunction() 1024 1025# A function to add a set of lit test suites to be driven through 'check-*' targets. 1026function(add_lit_testsuite target comment) 1027 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1028 1029 # EXCLUDE_FROM_ALL excludes the test ${target} out of check-all. 1030 if(NOT EXCLUDE_FROM_ALL) 1031 # Register the testsuites, params and depends for the global check rule. 1032 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_TESTSUITES ${ARG_UNPARSED_ARGUMENTS}) 1033 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_PARAMS ${ARG_PARAMS}) 1034 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_DEPENDS ${ARG_DEPENDS}) 1035 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_EXTRA_ARGS ${ARG_ARGS}) 1036 endif() 1037 1038 # Produce a specific suffixed check rule. 1039 add_lit_target(${target} ${comment} 1040 ${ARG_UNPARSED_ARGUMENTS} 1041 PARAMS ${ARG_PARAMS} 1042 DEPENDS ${ARG_DEPENDS} 1043 ARGS ${ARG_ARGS} 1044 ) 1045endfunction() 1046 1047function(add_lit_testsuites project directory) 1048 if (NOT CMAKE_CONFIGURATION_TYPES) 1049 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1050 file(GLOB_RECURSE litCfg ${directory}/lit*.cfg) 1051 set(lit_suites) 1052 foreach(f ${litCfg}) 1053 get_filename_component(dir ${f} DIRECTORY) 1054 set(lit_suites ${lit_suites} ${dir}) 1055 endforeach() 1056 list(REMOVE_DUPLICATES lit_suites) 1057 foreach(dir ${lit_suites}) 1058 string(REPLACE ${directory} "" name_slash ${dir}) 1059 if (name_slash) 1060 string(REPLACE "/" "-" name_slash ${name_slash}) 1061 string(REPLACE "\\" "-" name_dashes ${name_slash}) 1062 string(TOLOWER "${project}${name_dashes}" name_var) 1063 add_lit_target("check-${name_var}" "Running lit suite ${dir}" 1064 ${dir} 1065 PARAMS ${ARG_PARAMS} 1066 DEPENDS ${ARG_DEPENDS} 1067 ARGS ${ARG_ARGS} 1068 ) 1069 endif() 1070 endforeach() 1071 endif() 1072endfunction() 1073 1074function(llvm_install_library_symlink name dest type) 1075 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "COMPONENT" "" ${ARGN}) 1076 foreach(path ${CMAKE_MODULE_PATH}) 1077 if(EXISTS ${path}/LLVMInstallSymlink.cmake) 1078 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake) 1079 break() 1080 endif() 1081 endforeach() 1082 1083 set(component ${ARG_COMPONENT}) 1084 if(NOT component) 1085 set(component ${name}) 1086 endif() 1087 1088 set(full_name ${CMAKE_${type}_LIBRARY_PREFIX}${name}${CMAKE_${type}_LIBRARY_SUFFIX}) 1089 set(full_dest ${CMAKE_${type}_LIBRARY_PREFIX}${dest}${CMAKE_${type}_LIBRARY_SUFFIX}) 1090 1091 set(output_dir lib${LLVM_LIBDIR_SUFFIX}) 1092 if(WIN32 AND "${type}" STREQUAL "SHARED") 1093 set(output_dir bin) 1094 endif() 1095 1096 install(SCRIPT ${INSTALL_SYMLINK} 1097 CODE "install_symlink(${full_name} ${full_dest} ${output_dir})" 1098 COMPONENT ${component}) 1099 1100 if (NOT CMAKE_CONFIGURATION_TYPES AND NOT ARG_ALWAYS_GENERATE) 1101 add_custom_target(install-${name} 1102 DEPENDS ${name} ${dest} install-${dest} 1103 COMMAND "${CMAKE_COMMAND}" 1104 -DCMAKE_INSTALL_COMPONENT=${name} 1105 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") 1106 endif() 1107endfunction() 1108 1109function(llvm_install_symlink name dest) 1110 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "" "" ${ARGN}) 1111 foreach(path ${CMAKE_MODULE_PATH}) 1112 if(EXISTS ${path}/LLVMInstallSymlink.cmake) 1113 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake) 1114 break() 1115 endif() 1116 endforeach() 1117 1118 if(ARG_ALWAYS_GENERATE) 1119 set(component ${dest}) 1120 else() 1121 set(component ${name}) 1122 endif() 1123 1124 set(full_name ${name}${CMAKE_EXECUTABLE_SUFFIX}) 1125 set(full_dest ${dest}${CMAKE_EXECUTABLE_SUFFIX}) 1126 1127 install(SCRIPT ${INSTALL_SYMLINK} 1128 CODE "install_symlink(${full_name} ${full_dest} bin)" 1129 COMPONENT ${component}) 1130 1131 if (NOT CMAKE_CONFIGURATION_TYPES AND NOT ARG_ALWAYS_GENERATE) 1132 add_custom_target(install-${name} 1133 DEPENDS ${name} ${dest} install-${dest} 1134 COMMAND "${CMAKE_COMMAND}" 1135 -DCMAKE_INSTALL_COMPONENT=${name} 1136 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") 1137 endif() 1138endfunction() 1139 1140function(add_llvm_tool_symlink name dest) 1141 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "" "" ${ARGN}) 1142 if(UNIX) 1143 set(LLVM_LINK_OR_COPY create_symlink) 1144 set(dest_binary "${dest}${CMAKE_EXECUTABLE_SUFFIX}") 1145 else() 1146 set(LLVM_LINK_OR_COPY copy) 1147 set(dest_binary "${LLVM_RUNTIME_OUTPUT_INTDIR}/${dest}${CMAKE_EXECUTABLE_SUFFIX}") 1148 endif() 1149 1150 set(output_path "${LLVM_RUNTIME_OUTPUT_INTDIR}/${name}${CMAKE_EXECUTABLE_SUFFIX}") 1151 1152 if(ARG_ALWAYS_GENERATE) 1153 set_property(DIRECTORY APPEND PROPERTY 1154 ADDITIONAL_MAKE_CLEAN_FILES ${dest_binary}) 1155 add_custom_command(TARGET ${dest} POST_BUILD 1156 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}") 1157 else() 1158 add_custom_command(OUTPUT ${output_path} 1159 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}" 1160 DEPENDS ${dest}) 1161 add_custom_target(${name} ALL DEPENDS ${output_path}) 1162 set_target_properties(${name} PROPERTIES FOLDER Tools) 1163 1164 # Make sure the parent tool is a toolchain tool, otherwise exclude this tool 1165 list(FIND LLVM_TOOLCHAIN_TOOLS ${dest} LLVM_IS_${dest}_TOOLCHAIN_TOOL) 1166 if (NOT LLVM_IS_${dest}_TOOLCHAIN_TOOL GREATER -1) 1167 set(LLVM_IS_${name}_TOOLCHAIN_TOOL ${LLVM_IS_${dest}_TOOLCHAIN_TOOL}) 1168 else() 1169 list(FIND LLVM_TOOLCHAIN_TOOLS ${name} LLVM_IS_${name}_TOOLCHAIN_TOOL) 1170 endif() 1171 1172 # LLVM_IS_${name}_TOOLCHAIN_TOOL will only be greater than -1 if both this 1173 # tool and its parent tool are in LLVM_TOOLCHAIN_TOOLS 1174 if (LLVM_IS_${name}_TOOLCHAIN_TOOL GREATER -1 OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 1175 if( LLVM_BUILD_TOOLS ) 1176 llvm_install_symlink(${name} ${dest}) 1177 endif() 1178 endif() 1179 endif() 1180endfunction() 1181 1182function(llvm_externalize_debuginfo name) 1183 if(NOT LLVM_EXTERNALIZE_DEBUGINFO) 1184 return() 1185 endif() 1186 1187 if(APPLE) 1188 if(CMAKE_CXX_FLAGS MATCHES "-flto" 1189 OR CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE} MATCHES "-flto") 1190 1191 set(lto_object ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${name}-lto.o) 1192 set_property(TARGET ${name} APPEND_STRING PROPERTY 1193 LINK_FLAGS " -Wl,-object_path_lto,${lto_object}") 1194 endif() 1195 add_custom_command(TARGET ${name} POST_BUILD 1196 COMMAND xcrun dsymutil $<TARGET_FILE:${name}> 1197 COMMAND xcrun strip -Sl $<TARGET_FILE:${name}>) 1198 else() 1199 message(FATAL_ERROR "LLVM_EXTERNALIZE_DEBUGINFO isn't implemented for non-darwin platforms!") 1200 endif() 1201endfunction() 1202