1include(LLVMProcessSources) 2include(LLVM-Config) 3include(DetermineGCCCompatible) 4 5function(llvm_update_compile_flags name) 6 get_property(sources TARGET ${name} PROPERTY SOURCES) 7 if("${sources}" MATCHES "\\.c(;|$)") 8 set(update_src_props ON) 9 endif() 10 11 # LLVM_REQUIRES_EH is an internal flag that individual targets can use to 12 # force EH 13 if(LLVM_REQUIRES_EH OR LLVM_ENABLE_EH) 14 if(NOT (LLVM_REQUIRES_RTTI OR LLVM_ENABLE_RTTI)) 15 message(AUTHOR_WARNING "Exception handling requires RTTI. Enabling RTTI for ${name}") 16 set(LLVM_REQUIRES_RTTI ON) 17 endif() 18 if(MSVC) 19 list(APPEND LLVM_COMPILE_FLAGS "/EHsc") 20 endif() 21 else() 22 if(LLVM_COMPILER_IS_GCC_COMPATIBLE) 23 list(APPEND LLVM_COMPILE_FLAGS "-fno-exceptions") 24 elseif(MSVC) 25 list(APPEND LLVM_COMPILE_DEFINITIONS _HAS_EXCEPTIONS=0) 26 list(APPEND LLVM_COMPILE_FLAGS "/EHs-c-") 27 endif() 28 endif() 29 30 # LLVM_REQUIRES_RTTI is an internal flag that individual 31 # targets can use to force RTTI 32 set(LLVM_CONFIG_HAS_RTTI YES CACHE INTERNAL "") 33 if(NOT (LLVM_REQUIRES_RTTI OR LLVM_ENABLE_RTTI)) 34 set(LLVM_CONFIG_HAS_RTTI NO CACHE INTERNAL "") 35 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_RTTI=0) 36 if (LLVM_COMPILER_IS_GCC_COMPATIBLE) 37 list(APPEND LLVM_COMPILE_FLAGS "-fno-rtti") 38 elseif (MSVC) 39 list(APPEND LLVM_COMPILE_FLAGS "/GR-") 40 endif () 41 elseif(MSVC) 42 list(APPEND LLVM_COMPILE_FLAGS "/GR") 43 endif() 44 45 # Assume that; 46 # - LLVM_COMPILE_FLAGS is list. 47 # - PROPERTY COMPILE_FLAGS is string. 48 string(REPLACE ";" " " target_compile_flags " ${LLVM_COMPILE_FLAGS}") 49 50 if(update_src_props) 51 foreach(fn ${sources}) 52 get_filename_component(suf ${fn} EXT) 53 if("${suf}" STREQUAL ".cpp") 54 set_property(SOURCE ${fn} APPEND_STRING PROPERTY 55 COMPILE_FLAGS "${target_compile_flags}") 56 endif() 57 endforeach() 58 else() 59 # Update target props, since all sources are C++. 60 set_property(TARGET ${name} APPEND_STRING PROPERTY 61 COMPILE_FLAGS "${target_compile_flags}") 62 endif() 63 64 set_property(TARGET ${name} APPEND PROPERTY COMPILE_DEFINITIONS ${LLVM_COMPILE_DEFINITIONS}) 65endfunction() 66 67function(add_llvm_symbol_exports target_name export_file) 68 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") 69 set(native_export_file "${target_name}.exports") 70 add_custom_command(OUTPUT ${native_export_file} 71 COMMAND sed -e "s/^/_/" < ${export_file} > ${native_export_file} 72 DEPENDS ${export_file} 73 VERBATIM 74 COMMENT "Creating export file for ${target_name}") 75 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 76 LINK_FLAGS " -Wl,-exported_symbols_list,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") 77 elseif(${CMAKE_SYSTEM_NAME} MATCHES "AIX") 78 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 79 LINK_FLAGS " -Wl,-bE:${export_file}") 80 elseif(LLVM_HAVE_LINK_VERSION_SCRIPT) 81 # Gold and BFD ld require a version script rather than a plain list. 82 set(native_export_file "${target_name}.exports") 83 # FIXME: Don't write the "local:" line on OpenBSD. 84 add_custom_command(OUTPUT ${native_export_file} 85 COMMAND echo "{" > ${native_export_file} 86 COMMAND grep -q "[[:alnum:]]" ${export_file} && echo " global:" >> ${native_export_file} || : 87 COMMAND sed -e "s/$/;/" -e "s/^/ /" < ${export_file} >> ${native_export_file} 88 COMMAND echo " local: *;" >> ${native_export_file} 89 COMMAND echo "};" >> ${native_export_file} 90 DEPENDS ${export_file} 91 VERBATIM 92 COMMENT "Creating export file for ${target_name}") 93 if (${CMAKE_SYSTEM_NAME} MATCHES "SunOS") 94 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 95 LINK_FLAGS " -Wl,-M,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") 96 else() 97 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 98 LINK_FLAGS " -Wl,--version-script,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") 99 endif() 100 else() 101 set(native_export_file "${target_name}.def") 102 103 add_custom_command(OUTPUT ${native_export_file} 104 COMMAND ${PYTHON_EXECUTABLE} -c "import sys;print(''.join(['EXPORTS\\n']+sys.stdin.readlines(),))" 105 < ${export_file} > ${native_export_file} 106 DEPENDS ${export_file} 107 VERBATIM 108 COMMENT "Creating export file for ${target_name}") 109 set(export_file_linker_flag "${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") 110 if(MSVC) 111 set(export_file_linker_flag "/DEF:\"${export_file_linker_flag}\"") 112 endif() 113 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 114 LINK_FLAGS " ${export_file_linker_flag}") 115 endif() 116 117 add_custom_target(${target_name}_exports DEPENDS ${native_export_file}) 118 set_target_properties(${target_name}_exports PROPERTIES FOLDER "Misc") 119 120 get_property(srcs TARGET ${target_name} PROPERTY SOURCES) 121 foreach(src ${srcs}) 122 get_filename_component(extension ${src} EXT) 123 if(extension STREQUAL ".cpp") 124 set(first_source_file ${src}) 125 break() 126 endif() 127 endforeach() 128 129 # Force re-linking when the exports file changes. Actually, it 130 # forces recompilation of the source file. The LINK_DEPENDS target 131 # property only works for makefile-based generators. 132 # FIXME: This is not safe because this will create the same target 133 # ${native_export_file} in several different file: 134 # - One where we emitted ${target_name}_exports 135 # - One where we emitted the build command for the following object. 136 # set_property(SOURCE ${first_source_file} APPEND PROPERTY 137 # OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}) 138 139 set_property(DIRECTORY APPEND 140 PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${native_export_file}) 141 142 add_dependencies(${target_name} ${target_name}_exports) 143 144 # Add dependency to *_exports later -- CMake issue 14747 145 list(APPEND LLVM_COMMON_DEPENDS ${target_name}_exports) 146 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} PARENT_SCOPE) 147endfunction(add_llvm_symbol_exports) 148 149if(NOT WIN32 AND NOT APPLE) 150 execute_process( 151 COMMAND ${CMAKE_C_COMPILER} -Wl,--version 152 OUTPUT_VARIABLE stdout 153 ERROR_QUIET 154 ) 155 if("${stdout}" MATCHES "GNU gold") 156 set(LLVM_LINKER_IS_GOLD ON) 157 endif() 158endif() 159 160function(add_link_opts target_name) 161 # Don't use linker optimizations in debug builds since it slows down the 162 # linker in a context where the optimizations are not important. 163 if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG") 164 165 # Pass -O3 to the linker. This enabled different optimizations on different 166 # linkers. 167 if(NOT (${CMAKE_SYSTEM_NAME} MATCHES "Darwin|SunOS|AIX" OR WIN32)) 168 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 169 LINK_FLAGS " -Wl,-O3") 170 endif() 171 172 if(LLVM_LINKER_IS_GOLD) 173 # With gold gc-sections is always safe. 174 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 175 LINK_FLAGS " -Wl,--gc-sections") 176 # Note that there is a bug with -Wl,--icf=safe so it is not safe 177 # to enable. See https://sourceware.org/bugzilla/show_bug.cgi?id=17704. 178 endif() 179 180 if(NOT LLVM_NO_DEAD_STRIP) 181 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") 182 # ld64's implementation of -dead_strip breaks tools that use plugins. 183 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 184 LINK_FLAGS " -Wl,-dead_strip") 185 elseif(${CMAKE_SYSTEM_NAME} MATCHES "SunOS") 186 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 187 LINK_FLAGS " -Wl,-z -Wl,discard-unused=sections") 188 elseif(NOT WIN32 AND NOT LLVM_LINKER_IS_GOLD) 189 # Object files are compiled with -ffunction-data-sections. 190 # Versions of bfd ld < 2.23.1 have a bug in --gc-sections that breaks 191 # tools that use plugins. Always pass --gc-sections once we require 192 # a newer linker. 193 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 194 LINK_FLAGS " -Wl,--gc-sections") 195 endif() 196 endif() 197 endif() 198endfunction(add_link_opts) 199 200# Set each output directory according to ${CMAKE_CONFIGURATION_TYPES}. 201# Note: Don't set variables CMAKE_*_OUTPUT_DIRECTORY any more, 202# or a certain builder, for eaxample, msbuild.exe, would be confused. 203function(set_output_directory target) 204 cmake_parse_arguments(ARG "" "BINARY_DIR;LIBRARY_DIR" "" ${ARGN}) 205 206 # module_dir -- corresponding to LIBRARY_OUTPUT_DIRECTORY. 207 # It affects output of add_library(MODULE). 208 if(WIN32 OR CYGWIN) 209 # DLL platform 210 set(module_dir ${ARG_BINARY_DIR}) 211 else() 212 set(module_dir ${ARG_LIBRARY_DIR}) 213 endif() 214 if(NOT "${CMAKE_CFG_INTDIR}" STREQUAL ".") 215 foreach(build_mode ${CMAKE_CONFIGURATION_TYPES}) 216 string(TOUPPER "${build_mode}" CONFIG_SUFFIX) 217 if(ARG_BINARY_DIR) 218 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} bi ${ARG_BINARY_DIR}) 219 set_target_properties(${target} PROPERTIES "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${bi}) 220 endif() 221 if(ARG_LIBRARY_DIR) 222 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} li ${ARG_LIBRARY_DIR}) 223 set_target_properties(${target} PROPERTIES "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${li}) 224 endif() 225 if(module_dir) 226 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} mi ${module_dir}) 227 set_target_properties(${target} PROPERTIES "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${mi}) 228 endif() 229 endforeach() 230 else() 231 if(ARG_BINARY_DIR) 232 set_target_properties(${target} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${ARG_BINARY_DIR}) 233 endif() 234 if(ARG_LIBRARY_DIR) 235 set_target_properties(${target} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${ARG_LIBRARY_DIR}) 236 endif() 237 if(module_dir) 238 set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${module_dir}) 239 endif() 240 endif() 241endfunction() 242 243# If on Windows and building with MSVC, add the resource script containing the 244# VERSIONINFO data to the project. This embeds version resource information 245# into the output .exe or .dll. 246# TODO: Enable for MinGW Windows builds too. 247# 248function(add_windows_version_resource_file OUT_VAR) 249 set(sources ${ARGN}) 250 if (MSVC) 251 set(resource_file ${LLVM_SOURCE_DIR}/resources/windows_version_resource.rc) 252 if(EXISTS ${resource_file}) 253 set(sources ${sources} ${resource_file}) 254 source_group("Resource Files" ${resource_file}) 255 set(windows_resource_file ${resource_file} PARENT_SCOPE) 256 endif() 257 endif(MSVC) 258 259 set(${OUT_VAR} ${sources} PARENT_SCOPE) 260endfunction(add_windows_version_resource_file) 261 262# set_windows_version_resource_properties(name resource_file... 263# VERSION_MAJOR int 264# Optional major version number (defaults to LLVM_VERSION_MAJOR) 265# VERSION_MINOR int 266# Optional minor version number (defaults to LLVM_VERSION_MINOR) 267# VERSION_PATCHLEVEL int 268# Optional patchlevel version number (defaults to LLVM_VERSION_PATCH) 269# VERSION_STRING 270# Optional version string (defaults to PACKAGE_VERSION) 271# PRODUCT_NAME 272# Optional product name string (defaults to "LLVM") 273# ) 274function(set_windows_version_resource_properties name resource_file) 275 cmake_parse_arguments(ARG 276 "" 277 "VERSION_MAJOR;VERSION_MINOR;VERSION_PATCHLEVEL;VERSION_STRING;PRODUCT_NAME" 278 "" 279 ${ARGN}) 280 281 if (NOT DEFINED ARG_VERSION_MAJOR) 282 set(ARG_VERSION_MAJOR ${LLVM_VERSION_MAJOR}) 283 endif() 284 285 if (NOT DEFINED ARG_VERSION_MINOR) 286 set(ARG_VERSION_MINOR ${LLVM_VERSION_MINOR}) 287 endif() 288 289 if (NOT DEFINED ARG_VERSION_PATCHLEVEL) 290 set(ARG_VERSION_PATCHLEVEL ${LLVM_VERSION_PATCH}) 291 endif() 292 293 if (NOT DEFINED ARG_VERSION_STRING) 294 set(ARG_VERSION_STRING ${PACKAGE_VERSION}) 295 endif() 296 297 if (NOT DEFINED ARG_PRODUCT_NAME) 298 set(ARG_PRODUCT_NAME "LLVM") 299 endif() 300 301 set_property(SOURCE ${resource_file} 302 PROPERTY COMPILE_FLAGS /nologo) 303 set_property(SOURCE ${resource_file} 304 PROPERTY COMPILE_DEFINITIONS 305 "RC_VERSION_FIELD_1=${ARG_VERSION_MAJOR}" 306 "RC_VERSION_FIELD_2=${ARG_VERSION_MINOR}" 307 "RC_VERSION_FIELD_3=${ARG_VERSION_PATCHLEVEL}" 308 "RC_VERSION_FIELD_4=0" 309 "RC_FILE_VERSION=\"${ARG_VERSION_STRING}\"" 310 "RC_INTERNAL_NAME=\"${name}\"" 311 "RC_PRODUCT_NAME=\"${ARG_PRODUCT_NAME}\"" 312 "RC_PRODUCT_VERSION=\"${ARG_VERSION_STRING}\"") 313endfunction(set_windows_version_resource_properties) 314 315# llvm_add_library(name sources... 316# SHARED;STATIC 317# STATIC by default w/o BUILD_SHARED_LIBS. 318# SHARED by default w/ BUILD_SHARED_LIBS. 319# OBJECT 320# Also create an OBJECT library target. Default if STATIC && SHARED. 321# MODULE 322# Target ${name} might not be created on unsupported platforms. 323# Check with "if(TARGET ${name})". 324# DISABLE_LLVM_LINK_LLVM_DYLIB 325# Do not link this library to libLLVM, even if 326# LLVM_LINK_LLVM_DYLIB is enabled. 327# OUTPUT_NAME name 328# Corresponds to OUTPUT_NAME in target properties. 329# DEPENDS targets... 330# Same semantics as add_dependencies(). 331# LINK_COMPONENTS components... 332# Same as the variable LLVM_LINK_COMPONENTS. 333# LINK_LIBS lib_targets... 334# Same semantics as target_link_libraries(). 335# ADDITIONAL_HEADERS 336# May specify header files for IDE generators. 337# SONAME 338# Should set SONAME link flags and create symlinks 339# PLUGIN_TOOL 340# The tool (i.e. cmake target) that this plugin will link against 341# ) 342function(llvm_add_library name) 343 cmake_parse_arguments(ARG 344 "MODULE;SHARED;STATIC;OBJECT;DISABLE_LLVM_LINK_LLVM_DYLIB;SONAME" 345 "OUTPUT_NAME;PLUGIN_TOOL" 346 "ADDITIONAL_HEADERS;DEPENDS;LINK_COMPONENTS;LINK_LIBS;OBJLIBS" 347 ${ARGN}) 348 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS}) 349 if(ARG_ADDITIONAL_HEADERS) 350 # Pass through ADDITIONAL_HEADERS. 351 set(ARG_ADDITIONAL_HEADERS ADDITIONAL_HEADERS ${ARG_ADDITIONAL_HEADERS}) 352 endif() 353 if(ARG_OBJLIBS) 354 set(ALL_FILES ${ARG_OBJLIBS}) 355 else() 356 llvm_process_sources(ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ${ARG_ADDITIONAL_HEADERS}) 357 endif() 358 359 if(ARG_MODULE) 360 if(ARG_SHARED OR ARG_STATIC) 361 message(WARNING "MODULE with SHARED|STATIC doesn't make sense.") 362 endif() 363 # Plugins that link against a tool are allowed even when plugins in general are not 364 if(NOT LLVM_ENABLE_PLUGINS AND NOT (ARG_PLUGIN_TOOL AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS)) 365 message(STATUS "${name} ignored -- Loadable modules not supported on this platform.") 366 return() 367 endif() 368 else() 369 if(ARG_PLUGIN_TOOL) 370 message(WARNING "PLUGIN_TOOL without MODULE doesn't make sense.") 371 endif() 372 if(BUILD_SHARED_LIBS AND NOT ARG_STATIC) 373 set(ARG_SHARED TRUE) 374 endif() 375 if(NOT ARG_SHARED) 376 set(ARG_STATIC TRUE) 377 endif() 378 endif() 379 380 # Generate objlib 381 if((ARG_SHARED AND ARG_STATIC) OR ARG_OBJECT) 382 # Generate an obj library for both targets. 383 set(obj_name "obj.${name}") 384 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL 385 ${ALL_FILES} 386 ) 387 llvm_update_compile_flags(${obj_name}) 388 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>") 389 390 # Do add_dependencies(obj) later due to CMake issue 14747. 391 list(APPEND objlibs ${obj_name}) 392 393 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") 394 endif() 395 396 if(ARG_SHARED AND ARG_STATIC) 397 # static 398 set(name_static "${name}_static") 399 if(ARG_OUTPUT_NAME) 400 set(output_name OUTPUT_NAME "${ARG_OUTPUT_NAME}") 401 endif() 402 # DEPENDS has been appended to LLVM_COMMON_LIBS. 403 llvm_add_library(${name_static} STATIC 404 ${output_name} 405 OBJLIBS ${ALL_FILES} # objlib 406 LINK_LIBS ${ARG_LINK_LIBS} 407 LINK_COMPONENTS ${ARG_LINK_COMPONENTS} 408 ) 409 # FIXME: Add name_static to anywhere in TARGET ${name}'s PROPERTY. 410 set(ARG_STATIC) 411 endif() 412 413 if(ARG_MODULE) 414 add_library(${name} MODULE ${ALL_FILES}) 415 elseif(ARG_SHARED) 416 add_windows_version_resource_file(ALL_FILES ${ALL_FILES}) 417 add_library(${name} SHARED ${ALL_FILES}) 418 else() 419 add_library(${name} STATIC ${ALL_FILES}) 420 endif() 421 422 if(DEFINED windows_resource_file) 423 set_windows_version_resource_properties(${name} ${windows_resource_file}) 424 set(windows_resource_file ${windows_resource_file} PARENT_SCOPE) 425 endif() 426 427 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) 428 # $<TARGET_OBJECTS> doesn't require compile flags. 429 if(NOT obj_name) 430 llvm_update_compile_flags(${name}) 431 endif() 432 add_link_opts( ${name} ) 433 if(ARG_OUTPUT_NAME) 434 set_target_properties(${name} 435 PROPERTIES 436 OUTPUT_NAME ${ARG_OUTPUT_NAME} 437 ) 438 endif() 439 440 if(ARG_MODULE) 441 set_target_properties(${name} PROPERTIES 442 PREFIX "" 443 SUFFIX ${LLVM_PLUGIN_EXT} 444 ) 445 endif() 446 447 if(ARG_SHARED) 448 if(WIN32) 449 set_target_properties(${name} PROPERTIES 450 PREFIX "" 451 ) 452 endif() 453 endif() 454 455 if(ARG_MODULE OR ARG_SHARED) 456 # Do not add -Dname_EXPORTS to the command-line when building files in this 457 # target. Doing so is actively harmful for the modules build because it 458 # creates extra module variants, and not useful because we don't use these 459 # macros. 460 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) 461 462 if (LLVM_EXPORTED_SYMBOL_FILE) 463 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 464 endif() 465 endif() 466 467 if(ARG_SHARED AND UNIX) 468 if(NOT APPLE AND ARG_SONAME) 469 get_target_property(output_name ${name} OUTPUT_NAME) 470 if(${output_name} STREQUAL "output_name-NOTFOUND") 471 set(output_name ${name}) 472 endif() 473 set(library_name ${output_name}-${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}${LLVM_VERSION_SUFFIX}) 474 set(api_name ${output_name}-${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX}) 475 set_target_properties(${name} PROPERTIES OUTPUT_NAME ${library_name}) 476 llvm_install_library_symlink(${api_name} ${library_name} SHARED 477 COMPONENT ${name} 478 ALWAYS_GENERATE) 479 llvm_install_library_symlink(${output_name} ${library_name} SHARED 480 COMPONENT ${name} 481 ALWAYS_GENERATE) 482 endif() 483 endif() 484 485 if(ARG_MODULE AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS AND ARG_PLUGIN_TOOL AND (WIN32 OR CYGWIN)) 486 # On DLL platforms symbols are imported from the tool by linking against it. 487 set(llvm_libs ${ARG_PLUGIN_TOOL}) 488 elseif (DEFINED LLVM_LINK_COMPONENTS OR DEFINED ARG_LINK_COMPONENTS) 489 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB) 490 set(llvm_libs LLVM) 491 else() 492 llvm_map_components_to_libnames(llvm_libs 493 ${ARG_LINK_COMPONENTS} 494 ${LLVM_LINK_COMPONENTS} 495 ) 496 endif() 497 else() 498 # Components have not been defined explicitly in CMake, so add the 499 # dependency information for this library as defined by LLVMBuild. 500 # 501 # It would be nice to verify that we have the dependencies for this library 502 # name, but using get_property(... SET) doesn't suffice to determine if a 503 # property has been set to an empty value. 504 get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${name}) 505 endif() 506 507 if(ARG_STATIC) 508 set(libtype INTERFACE) 509 else() 510 # We can use PRIVATE since SO knows its dependent libs. 511 set(libtype PRIVATE) 512 endif() 513 514 target_link_libraries(${name} ${libtype} 515 ${ARG_LINK_LIBS} 516 ${lib_deps} 517 ${llvm_libs} 518 ) 519 520 if(LLVM_COMMON_DEPENDS) 521 add_dependencies(${name} ${LLVM_COMMON_DEPENDS}) 522 # Add dependencies also to objlibs. 523 # CMake issue 14747 -- add_dependencies() might be ignored to objlib's user. 524 foreach(objlib ${objlibs}) 525 add_dependencies(${objlib} ${LLVM_COMMON_DEPENDS}) 526 endforeach() 527 endif() 528 529 if(ARG_SHARED OR ARG_MODULE) 530 llvm_externalize_debuginfo(${name}) 531 endif() 532endfunction() 533 534macro(add_llvm_library name) 535 cmake_parse_arguments(ARG 536 "SHARED;BUILDTREE_ONLY" 537 "" 538 "" 539 ${ARGN}) 540 if( BUILD_SHARED_LIBS OR ARG_SHARED ) 541 llvm_add_library(${name} SHARED ${ARG_UNPARSED_ARGUMENTS}) 542 else() 543 llvm_add_library(${name} ${ARG_UNPARSED_ARGUMENTS}) 544 endif() 545 546 # Libraries that are meant to only be exposed via the build tree only are 547 # never installed and are only exported as a target in the special build tree 548 # config file. 549 if (NOT ARG_BUILDTREE_ONLY) 550 set_property( GLOBAL APPEND PROPERTY LLVM_LIBS ${name} ) 551 endif() 552 553 if( EXCLUDE_FROM_ALL ) 554 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON) 555 elseif(ARG_BUILDTREE_ONLY) 556 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS_BUILDTREE_ONLY ${name}) 557 else() 558 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "LTO") 559 set(install_dir lib${LLVM_LIBDIR_SUFFIX}) 560 if(ARG_SHARED OR BUILD_SHARED_LIBS) 561 if(WIN32 OR CYGWIN OR MINGW) 562 set(install_type RUNTIME) 563 set(install_dir bin) 564 else() 565 set(install_type LIBRARY) 566 endif() 567 else() 568 set(install_type ARCHIVE) 569 endif() 570 571 install(TARGETS ${name} 572 EXPORT LLVMExports 573 ${install_type} DESTINATION ${install_dir} 574 COMPONENT ${name}) 575 576 if (NOT CMAKE_CONFIGURATION_TYPES) 577 add_custom_target(install-${name} 578 DEPENDS ${name} 579 COMMAND "${CMAKE_COMMAND}" 580 -DCMAKE_INSTALL_COMPONENT=${name} 581 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") 582 endif() 583 endif() 584 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 585 endif() 586 set_target_properties(${name} PROPERTIES FOLDER "Libraries") 587endmacro(add_llvm_library name) 588 589macro(add_llvm_loadable_module name) 590 llvm_add_library(${name} MODULE ${ARGN}) 591 if(NOT TARGET ${name}) 592 # Add empty "phony" target 593 add_custom_target(${name}) 594 else() 595 if( EXCLUDE_FROM_ALL ) 596 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON) 597 else() 598 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 599 if(WIN32 OR CYGWIN) 600 # DLL platform 601 set(dlldir "bin") 602 else() 603 set(dlldir "lib${LLVM_LIBDIR_SUFFIX}") 604 endif() 605 install(TARGETS ${name} 606 EXPORT LLVMExports 607 LIBRARY DESTINATION ${dlldir} 608 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}) 609 endif() 610 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 611 endif() 612 endif() 613 614 set_target_properties(${name} PROPERTIES FOLDER "Loadable modules") 615endmacro(add_llvm_loadable_module name) 616 617 618macro(add_llvm_executable name) 619 cmake_parse_arguments(ARG "DISABLE_LLVM_LINK_LLVM_DYLIB;IGNORE_EXTERNALIZE_DEBUGINFO" "" "" ${ARGN}) 620 llvm_process_sources( ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ) 621 622 # Generate objlib 623 if(LLVM_ENABLE_OBJLIB) 624 # Generate an obj library for both targets. 625 set(obj_name "obj.${name}") 626 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL 627 ${ALL_FILES} 628 ) 629 llvm_update_compile_flags(${obj_name}) 630 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>") 631 632 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") 633 endif() 634 635 add_windows_version_resource_file(ALL_FILES ${ALL_FILES}) 636 637 if(XCODE) 638 # Note: the dummy.cpp source file provides no definitions. However, 639 # it forces Xcode to properly link the static library. 640 list(APPEND ALL_FILES "${LLVM_MAIN_SRC_DIR}/cmake/dummy.cpp") 641 endif() 642 643 if( EXCLUDE_FROM_ALL ) 644 add_executable(${name} EXCLUDE_FROM_ALL ${ALL_FILES}) 645 else() 646 add_executable(${name} ${ALL_FILES}) 647 endif() 648 649 if(DEFINED windows_resource_file) 650 set_windows_version_resource_properties(${name} ${windows_resource_file}) 651 endif() 652 653 # $<TARGET_OBJECTS> doesn't require compile flags. 654 if(NOT LLVM_ENABLE_OBJLIB) 655 llvm_update_compile_flags(${name}) 656 endif() 657 add_link_opts( ${name} ) 658 659 # Do not add -Dname_EXPORTS to the command-line when building files in this 660 # target. Doing so is actively harmful for the modules build because it 661 # creates extra module variants, and not useful because we don't use these 662 # macros. 663 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) 664 665 if (LLVM_EXPORTED_SYMBOL_FILE) 666 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 667 endif(LLVM_EXPORTED_SYMBOL_FILE) 668 669 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB) 670 set(USE_SHARED USE_SHARED) 671 endif() 672 673 set(EXCLUDE_FROM_ALL OFF) 674 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) 675 llvm_config( ${name} ${USE_SHARED} ${LLVM_LINK_COMPONENTS} ) 676 if( LLVM_COMMON_DEPENDS ) 677 add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} ) 678 endif( LLVM_COMMON_DEPENDS ) 679 680 if(NOT ARG_IGNORE_EXTERNALIZE_DEBUGINFO) 681 llvm_externalize_debuginfo(${name}) 682 endif() 683 if (PTHREAD_LIB) 684 # libpthreads overrides some standard library symbols, so main 685 # executable must be linked with it in order to provide consistent 686 # API for all shared libaries loaded by this executable. 687 target_link_libraries(${name} ${PTHREAD_LIB}) 688 endif() 689endmacro(add_llvm_executable name) 690 691function(export_executable_symbols target) 692 if (LLVM_EXPORTED_SYMBOL_FILE) 693 # The symbol file should contain the symbols we want the executable to 694 # export 695 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 696 elseif (LLVM_EXPORT_SYMBOLS_FOR_PLUGINS) 697 # Extract the symbols to export from the static libraries that the 698 # executable links against. 699 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 700 set(exported_symbol_file ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${target}.symbols) 701 # We need to consider not just the direct link dependencies, but also the 702 # transitive link dependencies. Do this by starting with the set of direct 703 # dependencies, then the dependencies of those dependencies, and so on. 704 get_target_property(new_libs ${target} LINK_LIBRARIES) 705 set(link_libs ${new_libs}) 706 while(NOT "${new_libs}" STREQUAL "") 707 foreach(lib ${new_libs}) 708 if(TARGET ${lib}) 709 get_target_property(lib_type ${lib} TYPE) 710 if("${lib_type}" STREQUAL "STATIC_LIBRARY") 711 list(APPEND static_libs ${lib}) 712 else() 713 list(APPEND other_libs ${lib}) 714 endif() 715 get_target_property(transitive_libs ${lib} INTERFACE_LINK_LIBRARIES) 716 foreach(transitive_lib ${transitive_libs}) 717 list(FIND link_libs ${transitive_lib} idx) 718 if(TARGET ${transitive_lib} AND idx EQUAL -1) 719 list(APPEND newer_libs ${transitive_lib}) 720 list(APPEND link_libs ${transitive_lib}) 721 endif() 722 endforeach(transitive_lib) 723 endif() 724 endforeach(lib) 725 set(new_libs ${newer_libs}) 726 set(newer_libs "") 727 endwhile() 728 if (MSVC) 729 set(mangling microsoft) 730 else() 731 set(mangling itanium) 732 endif() 733 add_custom_command(OUTPUT ${exported_symbol_file} 734 COMMAND ${PYTHON_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/extract_symbols.py --mangling=${mangling} ${static_libs} -o ${exported_symbol_file} 735 WORKING_DIRECTORY ${LLVM_LIBRARY_OUTPUT_INTDIR} 736 DEPENDS ${LLVM_MAIN_SRC_DIR}/utils/extract_symbols.py ${static_libs} 737 VERBATIM 738 COMMENT "Generating export list for ${target}") 739 add_llvm_symbol_exports( ${target} ${exported_symbol_file} ) 740 # If something links against this executable then we want a 741 # transitive link against only the libraries whose symbols 742 # we aren't exporting. 743 set_target_properties(${target} PROPERTIES INTERFACE_LINK_LIBRARIES "${other_libs}") 744 # The default import library suffix that cmake uses for cygwin/mingw is 745 # ".dll.a", but for clang.exe that causes a collision with libclang.dll, 746 # where the import libraries of both get named libclang.dll.a. Use a suffix 747 # of ".exe.a" to avoid this. 748 if(CYGWIN OR MINGW) 749 set_target_properties(${target} PROPERTIES IMPORT_SUFFIX ".exe.a") 750 endif() 751 elseif(NOT (WIN32 OR CYGWIN)) 752 # On Windows auto-exporting everything doesn't work because of the limit on 753 # the size of the exported symbol table, but on other platforms we can do 754 # it without any trouble. 755 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 756 if (APPLE) 757 set_property(TARGET ${target} APPEND_STRING PROPERTY 758 LINK_FLAGS " -rdynamic") 759 endif() 760 endif() 761endfunction() 762 763if(NOT LLVM_TOOLCHAIN_TOOLS) 764 set (LLVM_TOOLCHAIN_TOOLS 765 llvm-ar 766 llvm-ranlib 767 llvm-lib 768 llvm-objdump 769 ) 770endif() 771 772macro(add_llvm_tool name) 773 if( NOT LLVM_BUILD_TOOLS ) 774 set(EXCLUDE_FROM_ALL ON) 775 endif() 776 add_llvm_executable(${name} ${ARGN}) 777 778 list(FIND LLVM_TOOLCHAIN_TOOLS ${name} LLVM_IS_${name}_TOOLCHAIN_TOOL) 779 if (LLVM_IS_${name}_TOOLCHAIN_TOOL GREATER -1 OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 780 if( LLVM_BUILD_TOOLS ) 781 install(TARGETS ${name} 782 EXPORT LLVMExports 783 RUNTIME DESTINATION ${LLVM_TOOLS_INSTALL_DIR} 784 COMPONENT ${name}) 785 786 if (NOT CMAKE_CONFIGURATION_TYPES) 787 add_custom_target(install-${name} 788 DEPENDS ${name} 789 COMMAND "${CMAKE_COMMAND}" 790 -DCMAKE_INSTALL_COMPONENT=${name} 791 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") 792 endif() 793 endif() 794 endif() 795 if( LLVM_BUILD_TOOLS ) 796 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 797 endif() 798 set_target_properties(${name} PROPERTIES FOLDER "Tools") 799endmacro(add_llvm_tool name) 800 801 802macro(add_llvm_example name) 803 if( NOT LLVM_BUILD_EXAMPLES ) 804 set(EXCLUDE_FROM_ALL ON) 805 endif() 806 add_llvm_executable(${name} ${ARGN}) 807 if( LLVM_BUILD_EXAMPLES ) 808 install(TARGETS ${name} RUNTIME DESTINATION examples) 809 endif() 810 set_target_properties(${name} PROPERTIES FOLDER "Examples") 811endmacro(add_llvm_example name) 812 813# This is a macro that is used to create targets for executables that are needed 814# for development, but that are not intended to be installed by default. 815macro(add_llvm_utility name) 816 if ( NOT LLVM_BUILD_UTILS ) 817 set(EXCLUDE_FROM_ALL ON) 818 endif() 819 820 add_llvm_executable(${name} DISABLE_LLVM_LINK_LLVM_DYLIB ${ARGN}) 821 set_target_properties(${name} PROPERTIES FOLDER "Utils") 822 if( LLVM_INSTALL_UTILS AND LLVM_BUILD_UTILS ) 823 install (TARGETS ${name} 824 RUNTIME DESTINATION bin 825 COMPONENT ${name}) 826 if (NOT CMAKE_CONFIGURATION_TYPES) 827 add_custom_target(install-${name} 828 DEPENDS ${name} 829 COMMAND "${CMAKE_COMMAND}" 830 -DCMAKE_INSTALL_COMPONENT=${name} 831 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") 832 endif() 833 endif() 834endmacro(add_llvm_utility name) 835 836 837macro(add_llvm_target target_name) 838 include_directories(BEFORE 839 ${CMAKE_CURRENT_BINARY_DIR} 840 ${CMAKE_CURRENT_SOURCE_DIR}) 841 add_llvm_library(LLVM${target_name} ${ARGN}) 842 set( CURRENT_LLVM_TARGET LLVM${target_name} ) 843endmacro(add_llvm_target) 844 845function(canonicalize_tool_name name output) 846 string(REPLACE "${CMAKE_CURRENT_SOURCE_DIR}/" "" nameStrip ${name}) 847 string(REPLACE "-" "_" nameUNDERSCORE ${nameStrip}) 848 string(TOUPPER ${nameUNDERSCORE} nameUPPER) 849 set(${output} "${nameUPPER}" PARENT_SCOPE) 850endfunction(canonicalize_tool_name) 851 852# Custom add_subdirectory wrapper 853# Takes in a project name (i.e. LLVM), the subdirectory name, and an optional 854# path if it differs from the name. 855macro(add_llvm_subdirectory project type name) 856 set(add_llvm_external_dir "${ARGN}") 857 if("${add_llvm_external_dir}" STREQUAL "") 858 set(add_llvm_external_dir ${name}) 859 endif() 860 canonicalize_tool_name(${name} nameUPPER) 861 if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}/CMakeLists.txt) 862 # Treat it as in-tree subproject. 863 option(${project}_${type}_${nameUPPER}_BUILD 864 "Whether to build ${name} as part of ${project}" On) 865 mark_as_advanced(${project}_${type}_${name}_BUILD) 866 if(${project}_${type}_${nameUPPER}_BUILD) 867 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir} ${add_llvm_external_dir}) 868 # Don't process it in add_llvm_implicit_projects(). 869 set(${project}_${type}_${nameUPPER}_BUILD OFF) 870 endif() 871 else() 872 set(LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR 873 "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" 874 CACHE PATH "Path to ${name} source directory") 875 set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT ON) 876 if(NOT LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR OR NOT EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}) 877 set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT OFF) 878 endif() 879 if("${LLVM_EXTERNAL_${nameUPPER}_BUILD}" STREQUAL "OFF") 880 set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT OFF) 881 endif() 882 option(${project}_${type}_${nameUPPER}_BUILD 883 "Whether to build ${name} as part of LLVM" 884 ${${project}_${type}_${nameUPPER}_BUILD_DEFAULT}) 885 if (${project}_${type}_${nameUPPER}_BUILD) 886 if(EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}) 887 add_subdirectory(${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} ${add_llvm_external_dir}) 888 elseif(NOT "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" STREQUAL "") 889 message(WARNING "Nonexistent directory for ${name}: ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}") 890 endif() 891 # FIXME: It'd be redundant. 892 set(${project}_${type}_${nameUPPER}_BUILD Off) 893 endif() 894 endif() 895endmacro() 896 897# Add external project that may want to be built as part of llvm such as Clang, 898# lld, and Polly. This adds two options. One for the source directory of the 899# project, which defaults to ${CMAKE_CURRENT_SOURCE_DIR}/${name}. Another to 900# enable or disable building it with everything else. 901# Additional parameter can be specified as the name of directory. 902macro(add_llvm_external_project name) 903 add_llvm_subdirectory(LLVM TOOL ${name} ${ARGN}) 904endmacro() 905 906macro(add_llvm_tool_subdirectory name) 907 add_llvm_external_project(${name}) 908endmacro(add_llvm_tool_subdirectory) 909 910function(get_project_name_from_src_var var output) 911 string(REGEX MATCH "LLVM_EXTERNAL_(.*)_SOURCE_DIR" 912 MACHED_TOOL "${var}") 913 if(MACHED_TOOL) 914 set(${output} ${CMAKE_MATCH_1} PARENT_SCOPE) 915 else() 916 set(${output} PARENT_SCOPE) 917 endif() 918endfunction() 919 920function(create_subdirectory_options project type) 921 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") 922 foreach(dir ${sub-dirs}) 923 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt") 924 canonicalize_tool_name(${dir} name) 925 option(${project}_${type}_${name}_BUILD 926 "Whether to build ${name} as part of ${project}" On) 927 mark_as_advanced(${project}_${type}_${name}_BUILD) 928 endif() 929 endforeach() 930endfunction(create_subdirectory_options) 931 932function(create_llvm_tool_options) 933 create_subdirectory_options(LLVM TOOL) 934endfunction(create_llvm_tool_options) 935 936function(llvm_add_implicit_projects project) 937 set(list_of_implicit_subdirs "") 938 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") 939 foreach(dir ${sub-dirs}) 940 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt") 941 canonicalize_tool_name(${dir} name) 942 if (${project}_TOOL_${name}_BUILD) 943 get_filename_component(fn "${dir}" NAME) 944 list(APPEND list_of_implicit_subdirs "${fn}") 945 endif() 946 endif() 947 endforeach() 948 949 foreach(external_proj ${list_of_implicit_subdirs}) 950 add_llvm_subdirectory(${project} TOOL "${external_proj}" ${ARGN}) 951 endforeach() 952endfunction(llvm_add_implicit_projects) 953 954function(add_llvm_implicit_projects) 955 llvm_add_implicit_projects(LLVM) 956endfunction(add_llvm_implicit_projects) 957 958# Generic support for adding a unittest. 959function(add_unittest test_suite test_name) 960 if( NOT LLVM_BUILD_TESTS ) 961 set(EXCLUDE_FROM_ALL ON) 962 endif() 963 964 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include) 965 if (NOT LLVM_ENABLE_THREADS) 966 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_PTHREAD=0) 967 endif () 968 969 if (SUPPORTS_NO_VARIADIC_MACROS_FLAG) 970 list(APPEND LLVM_COMPILE_FLAGS "-Wno-variadic-macros") 971 endif () 972 973 set(LLVM_REQUIRES_RTTI OFF) 974 975 list(APPEND LLVM_LINK_COMPONENTS Support) # gtest needs it for raw_ostream 976 add_llvm_executable(${test_name} IGNORE_EXTERNALIZE_DEBUGINFO ${ARGN}) 977 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}) 978 set_output_directory(${test_name} BINARY_DIR ${outdir} LIBRARY_DIR ${outdir}) 979 # libpthreads overrides some standard library symbols, so main 980 # executable must be linked with it in order to provide consistent 981 # API for all shared libaries loaded by this executable. 982 target_link_libraries(${test_name} gtest_main gtest ${PTHREAD_LIB}) 983 984 add_dependencies(${test_suite} ${test_name}) 985 get_target_property(test_suite_folder ${test_suite} FOLDER) 986 if (NOT ${test_suite_folder} STREQUAL "NOTFOUND") 987 set_property(TARGET ${test_name} PROPERTY FOLDER "${test_suite_folder}") 988 endif () 989endfunction() 990 991function(llvm_add_go_executable binary pkgpath) 992 cmake_parse_arguments(ARG "ALL" "" "DEPENDS;GOFLAGS" ${ARGN}) 993 994 if(LLVM_BINDINGS MATCHES "go") 995 # FIXME: This should depend only on the libraries Go needs. 996 get_property(llvmlibs GLOBAL PROPERTY LLVM_LIBS) 997 set(binpath ${CMAKE_BINARY_DIR}/bin/${binary}${CMAKE_EXECUTABLE_SUFFIX}) 998 set(cc "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}") 999 set(cxx "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}") 1000 set(cppflags "") 1001 get_property(include_dirs DIRECTORY PROPERTY INCLUDE_DIRECTORIES) 1002 foreach(d ${include_dirs}) 1003 set(cppflags "${cppflags} -I${d}") 1004 endforeach(d) 1005 set(ldflags "${CMAKE_EXE_LINKER_FLAGS}") 1006 add_custom_command(OUTPUT ${binpath} 1007 COMMAND ${CMAKE_BINARY_DIR}/bin/llvm-go "go=${GO_EXECUTABLE}" "cc=${cc}" "cxx=${cxx}" "cppflags=${cppflags}" "ldflags=${ldflags}" "packages=${LLVM_GO_PACKAGES}" 1008 ${ARG_GOFLAGS} build -o ${binpath} ${pkgpath} 1009 DEPENDS llvm-config ${CMAKE_BINARY_DIR}/bin/llvm-go${CMAKE_EXECUTABLE_SUFFIX} 1010 ${llvmlibs} ${ARG_DEPENDS} 1011 COMMENT "Building Go executable ${binary}" 1012 VERBATIM) 1013 if (ARG_ALL) 1014 add_custom_target(${binary} ALL DEPENDS ${binpath}) 1015 else() 1016 add_custom_target(${binary} DEPENDS ${binpath}) 1017 endif() 1018 endif() 1019endfunction() 1020 1021# This function provides an automatic way to 'configure'-like generate a file 1022# based on a set of common and custom variables, specifically targeting the 1023# variables needed for the 'lit.site.cfg' files. This function bundles the 1024# common variables that any Lit instance is likely to need, and custom 1025# variables can be passed in. 1026function(configure_lit_site_cfg input output) 1027 foreach(c ${LLVM_TARGETS_TO_BUILD}) 1028 set(TARGETS_BUILT "${TARGETS_BUILT} ${c}") 1029 endforeach(c) 1030 set(TARGETS_TO_BUILD ${TARGETS_BUILT}) 1031 1032 set(SHLIBEXT "${LTDL_SHLIB_EXT}") 1033 1034 # Configuration-time: See Unit/lit.site.cfg.in 1035 if (CMAKE_CFG_INTDIR STREQUAL ".") 1036 set(LLVM_BUILD_MODE ".") 1037 else () 1038 set(LLVM_BUILD_MODE "%(build_mode)s") 1039 endif () 1040 1041 # They below might not be the build tree but provided binary tree. 1042 set(LLVM_SOURCE_DIR ${LLVM_MAIN_SRC_DIR}) 1043 set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR}) 1044 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_TOOLS_DIR ${LLVM_TOOLS_BINARY_DIR}) 1045 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_LIBS_DIR ${LLVM_LIBRARY_DIR}) 1046 1047 # SHLIBDIR points the build tree. 1048 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} SHLIBDIR "${LLVM_SHLIB_OUTPUT_INTDIR}") 1049 1050 set(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE}) 1051 # FIXME: "ENABLE_SHARED" doesn't make sense, since it is used just for 1052 # plugins. We may rename it. 1053 if(LLVM_ENABLE_PLUGINS) 1054 set(ENABLE_SHARED "1") 1055 else() 1056 set(ENABLE_SHARED "0") 1057 endif() 1058 1059 if(LLVM_ENABLE_ASSERTIONS AND NOT MSVC_IDE) 1060 set(ENABLE_ASSERTIONS "1") 1061 else() 1062 set(ENABLE_ASSERTIONS "0") 1063 endif() 1064 1065 set(HOST_OS ${CMAKE_SYSTEM_NAME}) 1066 set(HOST_ARCH ${CMAKE_SYSTEM_PROCESSOR}) 1067 1068 set(HOST_CC "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}") 1069 set(HOST_CXX "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}") 1070 set(HOST_LDFLAGS "${CMAKE_EXE_LINKER_FLAGS}") 1071 1072 set(LIT_SITE_CFG_IN_HEADER "## Autogenerated from ${input}\n## Do not edit!") 1073 1074 configure_file(${input} ${output} @ONLY) 1075endfunction() 1076 1077# A raw function to create a lit target. This is used to implement the testuite 1078# management functions. 1079function(add_lit_target target comment) 1080 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1081 set(LIT_ARGS "${ARG_ARGS} ${LLVM_LIT_ARGS}") 1082 separate_arguments(LIT_ARGS) 1083 if (NOT CMAKE_CFG_INTDIR STREQUAL ".") 1084 list(APPEND LIT_ARGS --param build_mode=${CMAKE_CFG_INTDIR}) 1085 endif () 1086 if (LLVM_MAIN_SRC_DIR) 1087 set (LIT_COMMAND ${PYTHON_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py) 1088 else() 1089 find_program(LIT_COMMAND llvm-lit) 1090 endif () 1091 list(APPEND LIT_COMMAND ${LIT_ARGS}) 1092 foreach(param ${ARG_PARAMS}) 1093 list(APPEND LIT_COMMAND --param ${param}) 1094 endforeach() 1095 if (ARG_UNPARSED_ARGUMENTS) 1096 add_custom_target(${target} 1097 COMMAND ${LIT_COMMAND} ${ARG_UNPARSED_ARGUMENTS} 1098 COMMENT "${comment}" 1099 USES_TERMINAL 1100 ) 1101 else() 1102 add_custom_target(${target} 1103 COMMAND ${CMAKE_COMMAND} -E echo "${target} does nothing, no tools built.") 1104 message(STATUS "${target} does nothing.") 1105 endif() 1106 if (ARG_DEPENDS) 1107 add_dependencies(${target} ${ARG_DEPENDS}) 1108 endif() 1109 1110 # Tests should be excluded from "Build Solution". 1111 set_target_properties(${target} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD ON) 1112endfunction() 1113 1114# A function to add a set of lit test suites to be driven through 'check-*' targets. 1115function(add_lit_testsuite target comment) 1116 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1117 1118 # EXCLUDE_FROM_ALL excludes the test ${target} out of check-all. 1119 if(NOT EXCLUDE_FROM_ALL) 1120 # Register the testsuites, params and depends for the global check rule. 1121 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_TESTSUITES ${ARG_UNPARSED_ARGUMENTS}) 1122 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_PARAMS ${ARG_PARAMS}) 1123 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_DEPENDS ${ARG_DEPENDS}) 1124 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_EXTRA_ARGS ${ARG_ARGS}) 1125 endif() 1126 1127 # Produce a specific suffixed check rule. 1128 add_lit_target(${target} ${comment} 1129 ${ARG_UNPARSED_ARGUMENTS} 1130 PARAMS ${ARG_PARAMS} 1131 DEPENDS ${ARG_DEPENDS} 1132 ARGS ${ARG_ARGS} 1133 ) 1134endfunction() 1135 1136function(add_lit_testsuites project directory) 1137 if (NOT CMAKE_CONFIGURATION_TYPES) 1138 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1139 1140 # Search recursively for test directories by assuming anything not 1141 # in a directory called Inputs contains tests. 1142 file(GLOB_RECURSE to_process LIST_DIRECTORIES true ${directory}/*) 1143 foreach(lit_suite ${to_process}) 1144 if(NOT IS_DIRECTORY ${lit_suite}) 1145 continue() 1146 endif() 1147 string(FIND ${lit_suite} Inputs is_inputs) 1148 string(FIND ${lit_suite} Output is_output) 1149 if (NOT (is_inputs EQUAL -1 AND is_output EQUAL -1)) 1150 continue() 1151 endif() 1152 1153 # Create a check- target for the directory. 1154 string(REPLACE ${directory} "" name_slash ${lit_suite}) 1155 if (name_slash) 1156 string(REPLACE "/" "-" name_slash ${name_slash}) 1157 string(REPLACE "\\" "-" name_dashes ${name_slash}) 1158 string(TOLOWER "${project}${name_dashes}" name_var) 1159 add_lit_target("check-${name_var}" "Running lit suite ${lit_suite}" 1160 ${lit_suite} 1161 PARAMS ${ARG_PARAMS} 1162 DEPENDS ${ARG_DEPENDS} 1163 ARGS ${ARG_ARGS} 1164 ) 1165 endif() 1166 endforeach() 1167 endif() 1168endfunction() 1169 1170function(llvm_install_library_symlink name dest type) 1171 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "COMPONENT" "" ${ARGN}) 1172 foreach(path ${CMAKE_MODULE_PATH}) 1173 if(EXISTS ${path}/LLVMInstallSymlink.cmake) 1174 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake) 1175 break() 1176 endif() 1177 endforeach() 1178 1179 set(component ${ARG_COMPONENT}) 1180 if(NOT component) 1181 set(component ${name}) 1182 endif() 1183 1184 set(full_name ${CMAKE_${type}_LIBRARY_PREFIX}${name}${CMAKE_${type}_LIBRARY_SUFFIX}) 1185 set(full_dest ${CMAKE_${type}_LIBRARY_PREFIX}${dest}${CMAKE_${type}_LIBRARY_SUFFIX}) 1186 1187 set(output_dir lib${LLVM_LIBDIR_SUFFIX}) 1188 if(WIN32 AND "${type}" STREQUAL "SHARED") 1189 set(output_dir bin) 1190 endif() 1191 1192 install(SCRIPT ${INSTALL_SYMLINK} 1193 CODE "install_symlink(${full_name} ${full_dest} ${output_dir})" 1194 COMPONENT ${component}) 1195 1196 if (NOT CMAKE_CONFIGURATION_TYPES AND NOT ARG_ALWAYS_GENERATE) 1197 add_custom_target(install-${name} 1198 DEPENDS ${name} ${dest} install-${dest} 1199 COMMAND "${CMAKE_COMMAND}" 1200 -DCMAKE_INSTALL_COMPONENT=${name} 1201 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") 1202 endif() 1203endfunction() 1204 1205function(llvm_install_symlink name dest) 1206 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "" "" ${ARGN}) 1207 foreach(path ${CMAKE_MODULE_PATH}) 1208 if(EXISTS ${path}/LLVMInstallSymlink.cmake) 1209 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake) 1210 break() 1211 endif() 1212 endforeach() 1213 1214 if(ARG_ALWAYS_GENERATE) 1215 set(component ${dest}) 1216 else() 1217 set(component ${name}) 1218 endif() 1219 1220 set(full_name ${name}${CMAKE_EXECUTABLE_SUFFIX}) 1221 set(full_dest ${dest}${CMAKE_EXECUTABLE_SUFFIX}) 1222 1223 install(SCRIPT ${INSTALL_SYMLINK} 1224 CODE "install_symlink(${full_name} ${full_dest} ${LLVM_TOOLS_INSTALL_DIR})" 1225 COMPONENT ${component}) 1226 1227 if (NOT CMAKE_CONFIGURATION_TYPES AND NOT ARG_ALWAYS_GENERATE) 1228 add_custom_target(install-${name} 1229 DEPENDS ${name} ${dest} install-${dest} 1230 COMMAND "${CMAKE_COMMAND}" 1231 -DCMAKE_INSTALL_COMPONENT=${name} 1232 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") 1233 endif() 1234endfunction() 1235 1236function(add_llvm_tool_symlink name dest) 1237 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "" "" ${ARGN}) 1238 if(UNIX) 1239 set(LLVM_LINK_OR_COPY create_symlink) 1240 set(dest_binary "${dest}${CMAKE_EXECUTABLE_SUFFIX}") 1241 else() 1242 set(LLVM_LINK_OR_COPY copy) 1243 set(dest_binary "${LLVM_RUNTIME_OUTPUT_INTDIR}/${dest}${CMAKE_EXECUTABLE_SUFFIX}") 1244 endif() 1245 1246 set(output_path "${LLVM_RUNTIME_OUTPUT_INTDIR}/${name}${CMAKE_EXECUTABLE_SUFFIX}") 1247 1248 if(ARG_ALWAYS_GENERATE) 1249 set_property(DIRECTORY APPEND PROPERTY 1250 ADDITIONAL_MAKE_CLEAN_FILES ${dest_binary}) 1251 add_custom_command(TARGET ${dest} POST_BUILD 1252 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}") 1253 else() 1254 add_custom_command(OUTPUT ${output_path} 1255 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}" 1256 DEPENDS ${dest}) 1257 add_custom_target(${name} ALL DEPENDS ${output_path}) 1258 set_target_properties(${name} PROPERTIES FOLDER Tools) 1259 1260 # Make sure the parent tool is a toolchain tool, otherwise exclude this tool 1261 list(FIND LLVM_TOOLCHAIN_TOOLS ${dest} LLVM_IS_${dest}_TOOLCHAIN_TOOL) 1262 if (NOT LLVM_IS_${dest}_TOOLCHAIN_TOOL GREATER -1) 1263 set(LLVM_IS_${name}_TOOLCHAIN_TOOL ${LLVM_IS_${dest}_TOOLCHAIN_TOOL}) 1264 else() 1265 list(FIND LLVM_TOOLCHAIN_TOOLS ${name} LLVM_IS_${name}_TOOLCHAIN_TOOL) 1266 endif() 1267 1268 # LLVM_IS_${name}_TOOLCHAIN_TOOL will only be greater than -1 if both this 1269 # tool and its parent tool are in LLVM_TOOLCHAIN_TOOLS 1270 if (LLVM_IS_${name}_TOOLCHAIN_TOOL GREATER -1 OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 1271 if( LLVM_BUILD_TOOLS ) 1272 llvm_install_symlink(${name} ${dest}) 1273 endif() 1274 endif() 1275 endif() 1276endfunction() 1277 1278function(llvm_externalize_debuginfo name) 1279 if(NOT LLVM_EXTERNALIZE_DEBUGINFO) 1280 return() 1281 endif() 1282 1283 if(NOT LLVM_EXTERNALIZE_DEBUGINFO_SKIP_STRIP) 1284 set(strip_command COMMAND xcrun strip -Sxl $<TARGET_FILE:${name}>) 1285 endif() 1286 1287 if(APPLE) 1288 if(CMAKE_CXX_FLAGS MATCHES "-flto" 1289 OR CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE} MATCHES "-flto") 1290 1291 set(lto_object ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${name}-lto.o) 1292 set_property(TARGET ${name} APPEND_STRING PROPERTY 1293 LINK_FLAGS " -Wl,-object_path_lto,${lto_object}") 1294 endif() 1295 add_custom_command(TARGET ${name} POST_BUILD 1296 COMMAND xcrun dsymutil $<TARGET_FILE:${name}> 1297 ${strip_command} 1298 ) 1299 else() 1300 message(FATAL_ERROR "LLVM_EXTERNALIZE_DEBUGINFO isn't implemented for non-darwin platforms!") 1301 endif() 1302endfunction() 1303