1include(LLVMParseArguments) 2include(LLVMProcessSources) 3include(LLVM-Config) 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) 14 if(NOT (LLVM_REQUIRES_RTTI OR LLVM_ENABLE_RTTI)) 15 message(AUTHOR_WARNING "Exception handling requires RTTI. Enabling RTTI for ${name}") 16 set(LLVM_REQUIRES_RTTI ON) 17 endif() 18 else() 19 if(LLVM_COMPILER_IS_GCC_COMPATIBLE) 20 list(APPEND LLVM_COMPILE_FLAGS "-fno-exceptions") 21 elseif(MSVC) 22 list(APPEND LLVM_COMPILE_DEFINITIONS _HAS_EXCEPTIONS=0) 23 list(APPEND LLVM_COMPILE_FLAGS "/EHs-c-") 24 endif() 25 endif() 26 27 # LLVM_REQUIRES_RTTI is an internal flag that individual 28 # targets can use to force RTTI 29 if(NOT (LLVM_REQUIRES_RTTI OR LLVM_ENABLE_RTTI)) 30 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_RTTI=0) 31 if (LLVM_COMPILER_IS_GCC_COMPATIBLE) 32 list(APPEND LLVM_COMPILE_FLAGS "-fno-rtti") 33 elseif (MSVC) 34 list(APPEND LLVM_COMPILE_FLAGS "/GR-") 35 endif () 36 endif() 37 38 # Assume that; 39 # - LLVM_COMPILE_FLAGS is list. 40 # - PROPERTY COMPILE_FLAGS is string. 41 string(REPLACE ";" " " target_compile_flags "${LLVM_COMPILE_FLAGS}") 42 43 if(update_src_props) 44 foreach(fn ${sources}) 45 get_filename_component(suf ${fn} EXT) 46 if("${suf}" STREQUAL ".cpp") 47 set_property(SOURCE ${fn} APPEND_STRING PROPERTY 48 COMPILE_FLAGS "${target_compile_flags}") 49 endif() 50 endforeach() 51 else() 52 # Update target props, since all sources are C++. 53 set_property(TARGET ${name} APPEND_STRING PROPERTY 54 COMPILE_FLAGS "${target_compile_flags}") 55 endif() 56 57 set_property(TARGET ${name} APPEND PROPERTY COMPILE_DEFINITIONS ${LLVM_COMPILE_DEFINITIONS}) 58endfunction() 59 60function(add_llvm_symbol_exports target_name export_file) 61 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") 62 set(native_export_file "${target_name}.exports") 63 add_custom_command(OUTPUT ${native_export_file} 64 COMMAND sed -e "s/^/_/" < ${export_file} > ${native_export_file} 65 DEPENDS ${export_file} 66 VERBATIM 67 COMMENT "Creating export file for ${target_name}") 68 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 69 LINK_FLAGS " -Wl,-exported_symbols_list,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") 70 elseif(LLVM_HAVE_LINK_VERSION_SCRIPT) 71 # Gold and BFD ld require a version script rather than a plain list. 72 set(native_export_file "${target_name}.exports") 73 # FIXME: Don't write the "local:" line on OpenBSD. 74 add_custom_command(OUTPUT ${native_export_file} 75 COMMAND echo "{" > ${native_export_file} 76 COMMAND grep -q "[[:alnum:]]" ${export_file} && echo " global:" >> ${native_export_file} || : 77 COMMAND sed -e "s/$/;/" -e "s/^/ /" < ${export_file} >> ${native_export_file} 78 COMMAND echo " local: *;" >> ${native_export_file} 79 COMMAND echo "};" >> ${native_export_file} 80 DEPENDS ${export_file} 81 VERBATIM 82 COMMENT "Creating export file for ${target_name}") 83 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 84 LINK_FLAGS " -Wl,--version-script,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") 85 else() 86 set(native_export_file "${target_name}.def") 87 88 set(CAT "type") 89 if(CYGWIN) 90 set(CAT "cat") 91 endif() 92 93 # Using ${export_file} in add_custom_command directly confuses cmd.exe. 94 file(TO_NATIVE_PATH ${export_file} export_file_backslashes) 95 96 add_custom_command(OUTPUT ${native_export_file} 97 COMMAND ${CMAKE_COMMAND} -E echo "EXPORTS" > ${native_export_file} 98 COMMAND ${CAT} ${export_file_backslashes} >> ${native_export_file} 99 DEPENDS ${export_file} 100 VERBATIM 101 COMMENT "Creating export file for ${target_name}") 102 if(CYGWIN OR MINGW) 103 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 104 LINK_FLAGS " ${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") 105 else() 106 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 107 LINK_FLAGS " /DEF:${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") 108 endif() 109 endif() 110 111 add_custom_target(${target_name}_exports DEPENDS ${native_export_file}) 112 set_target_properties(${target_name}_exports PROPERTIES FOLDER "Misc") 113 114 get_property(srcs TARGET ${target_name} PROPERTY SOURCES) 115 foreach(src ${srcs}) 116 get_filename_component(extension ${src} EXT) 117 if(extension STREQUAL ".cpp") 118 set(first_source_file ${src}) 119 break() 120 endif() 121 endforeach() 122 123 # Force re-linking when the exports file changes. Actually, it 124 # forces recompilation of the source file. The LINK_DEPENDS target 125 # property only works for makefile-based generators. 126 # FIXME: This is not safe because this will create the same target 127 # ${native_export_file} in several different file: 128 # - One where we emitted ${target_name}_exports 129 # - One where we emitted the build command for the following object. 130 # set_property(SOURCE ${first_source_file} APPEND PROPERTY 131 # OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}) 132 133 set_property(DIRECTORY APPEND 134 PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${native_export_file}) 135 136 add_dependencies(${target_name} ${target_name}_exports) 137 138 # Add dependency to *_exports later -- CMake issue 14747 139 list(APPEND LLVM_COMMON_DEPENDS ${target_name}_exports) 140 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} PARENT_SCOPE) 141endfunction(add_llvm_symbol_exports) 142 143function(add_dead_strip target_name) 144 if(NOT LLVM_NO_DEAD_STRIP) 145 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") 146 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 147 LINK_FLAGS " -Wl,-dead_strip") 148 elseif(NOT WIN32) 149 # Object files are compiled with -ffunction-data-sections. 150 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 151 LINK_FLAGS " -Wl,--gc-sections") 152 endif() 153 endif() 154endfunction(add_dead_strip) 155 156# Set each output directory according to ${CMAKE_CONFIGURATION_TYPES}. 157# Note: Don't set variables CMAKE_*_OUTPUT_DIRECTORY any more, 158# or a certain builder, for eaxample, msbuild.exe, would be confused. 159function(set_output_directory target bindir libdir) 160 # Do nothing if *_OUTPUT_INTDIR is empty. 161 if("${bindir}" STREQUAL "") 162 return() 163 endif() 164 165 # moddir -- corresponding to LIBRARY_OUTPUT_DIRECTORY. 166 # It affects output of add_library(MODULE). 167 if(WIN32 OR CYGWIN) 168 # DLL platform 169 set(moddir ${bindir}) 170 else() 171 set(moddir ${libdir}) 172 endif() 173 if(NOT "${CMAKE_CFG_INTDIR}" STREQUAL ".") 174 foreach(build_mode ${CMAKE_CONFIGURATION_TYPES}) 175 string(TOUPPER "${build_mode}" CONFIG_SUFFIX) 176 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} bi ${bindir}) 177 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} li ${libdir}) 178 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} mi ${moddir}) 179 set_target_properties(${target} PROPERTIES "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${bi}) 180 set_target_properties(${target} PROPERTIES "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${li}) 181 set_target_properties(${target} PROPERTIES "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${mi}) 182 endforeach() 183 else() 184 set_target_properties(${target} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${bindir}) 185 set_target_properties(${target} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${libdir}) 186 set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${moddir}) 187 endif() 188endfunction() 189 190# llvm_add_library(name sources... 191# SHARED;STATIC 192# STATIC by default w/o BUILD_SHARED_LIBS. 193# SHARED by default w/ BUILD_SHARED_LIBS. 194# MODULE 195# Target ${name} might not be created on unsupported platforms. 196# Check with "if(TARGET ${name})". 197# OUTPUT_NAME name 198# Corresponds to OUTPUT_NAME in target properties. 199# DEPENDS targets... 200# Same semantics as add_dependencies(). 201# LINK_COMPONENTS components... 202# Same as the variable LLVM_LINK_COMPONENTS. 203# LINK_LIBS lib_targets... 204# Same semantics as target_link_libraries(). 205# ADDITIONAL_HEADERS 206# May specify header files for IDE generators. 207# ) 208function(llvm_add_library name) 209 cmake_parse_arguments(ARG 210 "MODULE;SHARED;STATIC" 211 "OUTPUT_NAME" 212 "ADDITIONAL_HEADERS;DEPENDS;LINK_COMPONENTS;LINK_LIBS;OBJLIBS" 213 ${ARGN}) 214 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS}) 215 if(ARG_ADDITIONAL_HEADERS) 216 # Pass through ADDITIONAL_HEADERS. 217 set(ARG_ADDITIONAL_HEADERS ADDITIONAL_HEADERS ${ARG_ADDITIONAL_HEADERS}) 218 endif() 219 if(ARG_OBJLIBS) 220 set(ALL_FILES ${ARG_OBJLIBS}) 221 else() 222 llvm_process_sources(ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ${ARG_ADDITIONAL_HEADERS}) 223 endif() 224 225 if(ARG_MODULE) 226 if(ARG_SHARED OR ARG_STATIC) 227 message(WARNING "MODULE with SHARED|STATIC doesn't make sense.") 228 endif() 229 if(NOT LLVM_ENABLE_PLUGINS) 230 message(STATUS "${name} ignored -- Loadable modules not supported on this platform.") 231 return() 232 endif() 233 else() 234 if(BUILD_SHARED_LIBS AND NOT ARG_STATIC) 235 set(ARG_SHARED TRUE) 236 endif() 237 if(NOT ARG_SHARED) 238 set(ARG_STATIC TRUE) 239 endif() 240 endif() 241 242 # Generate objlib 243 if(ARG_SHARED AND ARG_STATIC) 244 # Generate an obj library for both targets. 245 set(obj_name "obj.${name}") 246 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL 247 ${ALL_FILES} 248 ) 249 llvm_update_compile_flags(${obj_name}) 250 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>") 251 252 # Do add_dependencies(obj) later due to CMake issue 14747. 253 list(APPEND objlibs ${obj_name}) 254 255 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") 256 endif() 257 258 if(ARG_SHARED AND ARG_STATIC) 259 # static 260 set(name_static "${name}_static") 261 if(ARG_OUTPUT_NAME) 262 set(output_name OUTPUT_NAME "${ARG_OUTPUT_NAME}") 263 endif() 264 # DEPENDS has been appended to LLVM_COMMON_LIBS. 265 llvm_add_library(${name_static} STATIC 266 ${output_name} 267 OBJLIBS ${ALL_FILES} # objlib 268 LINK_LIBS ${ARG_LINK_LIBS} 269 LINK_COMPONENTS ${ARG_LINK_COMPONENTS} 270 ) 271 # FIXME: Add name_static to anywhere in TARGET ${name}'s PROPERTY. 272 set(ARG_STATIC) 273 endif() 274 275 if(ARG_MODULE) 276 add_library(${name} MODULE ${ALL_FILES}) 277 elseif(ARG_SHARED) 278 add_library(${name} SHARED ${ALL_FILES}) 279 else() 280 add_library(${name} STATIC ${ALL_FILES}) 281 endif() 282 set_output_directory(${name} ${LLVM_RUNTIME_OUTPUT_INTDIR} ${LLVM_LIBRARY_OUTPUT_INTDIR}) 283 llvm_update_compile_flags(${name}) 284 add_dead_strip( ${name} ) 285 if(ARG_OUTPUT_NAME) 286 set_target_properties(${name} 287 PROPERTIES 288 OUTPUT_NAME ${ARG_OUTPUT_NAME} 289 ) 290 endif() 291 292 if(ARG_MODULE) 293 set_target_properties(${name} PROPERTIES 294 PREFIX "" 295 SUFFIX ${LLVM_PLUGIN_EXT} 296 ) 297 endif() 298 299 if(ARG_SHARED) 300 if(WIN32) 301 set_target_properties(${name} PROPERTIES 302 PREFIX "" 303 ) 304 endif() 305 if (MSVC) 306 set_target_properties(${name} 307 PROPERTIES 308 IMPORT_SUFFIX ".imp") 309 endif () 310 endif() 311 312 if(ARG_MODULE OR ARG_SHARED) 313 if (LLVM_EXPORTED_SYMBOL_FILE) 314 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 315 endif() 316 endif() 317 318 # Add the explicit dependency information for this library. 319 # 320 # It would be nice to verify that we have the dependencies for this library 321 # name, but using get_property(... SET) doesn't suffice to determine if a 322 # property has been set to an empty value. 323 get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${name}) 324 325 llvm_map_components_to_libnames(llvm_libs 326 ${ARG_LINK_COMPONENTS} 327 ${LLVM_LINK_COMPONENTS} 328 ) 329 330 if(CMAKE_VERSION VERSION_LESS 2.8.12) 331 # Link libs w/o keywords, assuming PUBLIC. 332 target_link_libraries(${name} 333 ${ARG_LINK_LIBS} 334 ${lib_deps} 335 ${llvm_libs} 336 ) 337 elseif(ARG_STATIC) 338 target_link_libraries(${name} INTERFACE 339 ${ARG_LINK_LIBS} 340 ${lib_deps} 341 ${llvm_libs} 342 ) 343 elseif((CYGWIN OR WIN32) AND ARG_SHARED) 344 # Win32's import library may be unaware of its dependent libs. 345 target_link_libraries(${name} PRIVATE 346 ${ARG_LINK_LIBS} 347 ${lib_deps} 348 ${llvm_libs} 349 ) 350 elseif(ARG_SHARED AND BUILD_SHARED_LIBS) 351 # FIXME: It may be PRIVATE since SO knows its dependent libs. 352 target_link_libraries(${name} PUBLIC 353 ${ARG_LINK_LIBS} 354 ${lib_deps} 355 ${llvm_libs} 356 ) 357 else() 358 # MODULE|SHARED 359 target_link_libraries(${name} PRIVATE 360 ${ARG_LINK_LIBS} 361 ${lib_deps} 362 ${llvm_libs} 363 ) 364 endif() 365 366 if(LLVM_COMMON_DEPENDS) 367 add_dependencies(${name} ${LLVM_COMMON_DEPENDS}) 368 # Add dependencies also to objlibs. 369 # CMake issue 14747 -- add_dependencies() might be ignored to objlib's user. 370 foreach(objlib ${objlibs}) 371 add_dependencies(${objlib} ${LLVM_COMMON_DEPENDS}) 372 endforeach() 373 endif() 374endfunction() 375 376macro(add_llvm_library name) 377 if( BUILD_SHARED_LIBS ) 378 llvm_add_library(${name} SHARED ${ARGN}) 379 else() 380 llvm_add_library(${name} ${ARGN}) 381 endif() 382 set_property( GLOBAL APPEND PROPERTY LLVM_LIBS ${name} ) 383 384 if( EXCLUDE_FROM_ALL ) 385 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON) 386 else() 387 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "LTO") 388 install(TARGETS ${name} 389 EXPORT LLVMExports 390 RUNTIME DESTINATION bin 391 LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX} 392 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}) 393 endif() 394 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 395 endif() 396 set_target_properties(${name} PROPERTIES FOLDER "Libraries") 397endmacro(add_llvm_library name) 398 399macro(add_llvm_loadable_module name) 400 llvm_add_library(${name} MODULE ${ARGN}) 401 if(NOT TARGET ${name}) 402 # Add empty "phony" target 403 add_custom_target(${name}) 404 else() 405 if( EXCLUDE_FROM_ALL ) 406 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON) 407 else() 408 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 409 if(WIN32 OR CYGWIN) 410 # DLL platform 411 set(dlldir "bin") 412 else() 413 set(dlldir "lib${LLVM_LIBDIR_SUFFIX}") 414 endif() 415 install(TARGETS ${name} 416 EXPORT LLVMExports 417 LIBRARY DESTINATION ${dlldir} 418 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}) 419 endif() 420 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 421 endif() 422 endif() 423 424 set_target_properties(${name} PROPERTIES FOLDER "Loadable modules") 425endmacro(add_llvm_loadable_module name) 426 427 428macro(add_llvm_executable name) 429 llvm_process_sources( ALL_FILES ${ARGN} ) 430 if( EXCLUDE_FROM_ALL ) 431 add_executable(${name} EXCLUDE_FROM_ALL ${ALL_FILES}) 432 else() 433 add_executable(${name} ${ALL_FILES}) 434 endif() 435 llvm_update_compile_flags(${name}) 436 add_dead_strip( ${name} ) 437 438 if (LLVM_EXPORTED_SYMBOL_FILE) 439 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 440 endif(LLVM_EXPORTED_SYMBOL_FILE) 441 442 set(EXCLUDE_FROM_ALL OFF) 443 set_output_directory(${name} ${LLVM_RUNTIME_OUTPUT_INTDIR} ${LLVM_LIBRARY_OUTPUT_INTDIR}) 444 llvm_config( ${name} ${LLVM_LINK_COMPONENTS} ) 445 if( LLVM_COMMON_DEPENDS ) 446 add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} ) 447 endif( LLVM_COMMON_DEPENDS ) 448endmacro(add_llvm_executable name) 449 450 451set (LLVM_TOOLCHAIN_TOOLS 452 llvm-ar 453 llvm-objdump 454 ) 455 456macro(add_llvm_tool name) 457 if( NOT LLVM_BUILD_TOOLS ) 458 set(EXCLUDE_FROM_ALL ON) 459 endif() 460 add_llvm_executable(${name} ${ARGN}) 461 462 list(FIND LLVM_TOOLCHAIN_TOOLS ${name} LLVM_IS_${name}_TOOLCHAIN_TOOL) 463 if (LLVM_IS_${name}_TOOLCHAIN_TOOL GREATER -1 OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 464 if( LLVM_BUILD_TOOLS ) 465 install(TARGETS ${name} 466 EXPORT LLVMExports 467 RUNTIME DESTINATION bin) 468 endif() 469 endif() 470 if( LLVM_BUILD_TOOLS ) 471 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 472 endif() 473 set_target_properties(${name} PROPERTIES FOLDER "Tools") 474endmacro(add_llvm_tool name) 475 476 477macro(add_llvm_example name) 478 if( NOT LLVM_BUILD_EXAMPLES ) 479 set(EXCLUDE_FROM_ALL ON) 480 endif() 481 add_llvm_executable(${name} ${ARGN}) 482 if( LLVM_BUILD_EXAMPLES ) 483 install(TARGETS ${name} RUNTIME DESTINATION examples) 484 endif() 485 set_target_properties(${name} PROPERTIES FOLDER "Examples") 486endmacro(add_llvm_example name) 487 488 489macro(add_llvm_utility name) 490 add_llvm_executable(${name} ${ARGN}) 491 set_target_properties(${name} PROPERTIES FOLDER "Utils") 492endmacro(add_llvm_utility name) 493 494 495macro(add_llvm_target target_name) 496 include_directories(BEFORE 497 ${CMAKE_CURRENT_BINARY_DIR} 498 ${CMAKE_CURRENT_SOURCE_DIR}) 499 add_llvm_library(LLVM${target_name} ${ARGN}) 500 set( CURRENT_LLVM_TARGET LLVM${target_name} ) 501endmacro(add_llvm_target) 502 503# Add external project that may want to be built as part of llvm such as Clang, 504# lld, and Polly. This adds two options. One for the source directory of the 505# project, which defaults to ${CMAKE_CURRENT_SOURCE_DIR}/${name}. Another to 506# enable or disable building it with everything else. 507# Additional parameter can be specified as the name of directory. 508macro(add_llvm_external_project name) 509 set(add_llvm_external_dir "${ARGN}") 510 if("${add_llvm_external_dir}" STREQUAL "") 511 set(add_llvm_external_dir ${name}) 512 endif() 513 list(APPEND LLVM_IMPLICIT_PROJECT_IGNORE "${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}") 514 string(REPLACE "-" "_" nameUNDERSCORE ${name}) 515 string(TOUPPER ${nameUNDERSCORE} nameUPPER) 516 set(LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}" 517 CACHE PATH "Path to ${name} source directory") 518 if (NOT ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} STREQUAL "" 519 AND EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}/CMakeLists.txt) 520 option(LLVM_EXTERNAL_${nameUPPER}_BUILD 521 "Whether to build ${name} as part of LLVM" ON) 522 if (LLVM_EXTERNAL_${nameUPPER}_BUILD) 523 add_subdirectory(${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} ${add_llvm_external_dir}) 524 endif() 525 endif() 526endmacro(add_llvm_external_project) 527 528macro(add_llvm_tool_subdirectory name) 529 list(APPEND LLVM_IMPLICIT_PROJECT_IGNORE "${CMAKE_CURRENT_SOURCE_DIR}/${name}") 530 add_subdirectory(${name}) 531endmacro(add_llvm_tool_subdirectory) 532 533macro(ignore_llvm_tool_subdirectory name) 534 list(APPEND LLVM_IMPLICIT_PROJECT_IGNORE "${CMAKE_CURRENT_SOURCE_DIR}/${name}") 535endmacro(ignore_llvm_tool_subdirectory) 536 537function(add_llvm_implicit_external_projects) 538 set(list_of_implicit_subdirs "") 539 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") 540 foreach(dir ${sub-dirs}) 541 if(IS_DIRECTORY "${dir}") 542 list(FIND LLVM_IMPLICIT_PROJECT_IGNORE "${dir}" tool_subdir_ignore) 543 if( tool_subdir_ignore EQUAL -1 544 AND EXISTS "${dir}/CMakeLists.txt") 545 get_filename_component(fn "${dir}" NAME) 546 list(APPEND list_of_implicit_subdirs "${fn}") 547 endif() 548 endif() 549 endforeach() 550 551 foreach(external_proj ${list_of_implicit_subdirs}) 552 add_llvm_external_project("${external_proj}") 553 endforeach() 554endfunction(add_llvm_implicit_external_projects) 555 556# Generic support for adding a unittest. 557function(add_unittest test_suite test_name) 558 if( NOT LLVM_BUILD_TESTS ) 559 set(EXCLUDE_FROM_ALL ON) 560 endif() 561 562 # Visual Studio 2012 only supports up to 8 template parameters in 563 # std::tr1::tuple by default, but gtest requires 10 564 if (MSVC AND MSVC_VERSION EQUAL 1700) 565 list(APPEND LLVM_COMPILE_DEFINITIONS _VARIADIC_MAX=10) 566 endif () 567 568 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include) 569 if (NOT LLVM_ENABLE_THREADS) 570 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_PTHREAD=0) 571 endif () 572 573 if (SUPPORTS_NO_VARIADIC_MACROS_FLAG) 574 list(APPEND LLVM_COMPILE_FLAGS "-Wno-variadic-macros") 575 endif () 576 577 set(LLVM_REQUIRES_RTTI OFF) 578 579 add_llvm_executable(${test_name} ${ARGN}) 580 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}) 581 set_output_directory(${test_name} ${outdir} ${outdir}) 582 target_link_libraries(${test_name} 583 gtest 584 gtest_main 585 LLVMSupport # gtest needs it for raw_ostream. 586 ) 587 588 add_dependencies(${test_suite} ${test_name}) 589 get_target_property(test_suite_folder ${test_suite} FOLDER) 590 if (NOT ${test_suite_folder} STREQUAL "NOTFOUND") 591 set_property(TARGET ${test_name} PROPERTY FOLDER "${test_suite_folder}") 592 endif () 593endfunction() 594 595# This function provides an automatic way to 'configure'-like generate a file 596# based on a set of common and custom variables, specifically targeting the 597# variables needed for the 'lit.site.cfg' files. This function bundles the 598# common variables that any Lit instance is likely to need, and custom 599# variables can be passed in. 600function(configure_lit_site_cfg input output) 601 foreach(c ${LLVM_TARGETS_TO_BUILD}) 602 set(TARGETS_BUILT "${TARGETS_BUILT} ${c}") 603 endforeach(c) 604 set(TARGETS_TO_BUILD ${TARGETS_BUILT}) 605 606 set(SHLIBEXT "${LTDL_SHLIB_EXT}") 607 608 # Configuration-time: See Unit/lit.site.cfg.in 609 if (CMAKE_CFG_INTDIR STREQUAL ".") 610 set(LLVM_BUILD_MODE ".") 611 else () 612 set(LLVM_BUILD_MODE "%(build_mode)s") 613 endif () 614 615 # They below might not be the build tree but provided binary tree. 616 set(LLVM_SOURCE_DIR ${LLVM_MAIN_SRC_DIR}) 617 set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR}) 618 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_TOOLS_DIR ${LLVM_TOOLS_BINARY_DIR}) 619 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_LIBS_DIR ${LLVM_LIBRARY_DIR}) 620 621 # SHLIBDIR points the build tree. 622 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} SHLIBDIR "${LLVM_SHLIB_OUTPUT_INTDIR}") 623 624 set(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE}) 625 # FIXME: "ENABLE_SHARED" doesn't make sense, since it is used just for 626 # plugins. We may rename it. 627 if(LLVM_ENABLE_PLUGINS) 628 set(ENABLE_SHARED "1") 629 else() 630 set(ENABLE_SHARED "0") 631 endif() 632 633 if(LLVM_ENABLE_ASSERTIONS AND NOT MSVC_IDE) 634 set(ENABLE_ASSERTIONS "1") 635 else() 636 set(ENABLE_ASSERTIONS "0") 637 endif() 638 639 set(HOST_OS ${CMAKE_SYSTEM_NAME}) 640 set(HOST_ARCH ${CMAKE_SYSTEM_PROCESSOR}) 641 642 configure_file(${input} ${output} @ONLY) 643endfunction() 644 645# A raw function to create a lit target. This is used to implement the testuite 646# management functions. 647function(add_lit_target target comment) 648 parse_arguments(ARG "PARAMS;DEPENDS;ARGS" "" ${ARGN}) 649 set(LIT_ARGS "${ARG_ARGS} ${LLVM_LIT_ARGS}") 650 separate_arguments(LIT_ARGS) 651 if (NOT CMAKE_CFG_INTDIR STREQUAL ".") 652 list(APPEND LIT_ARGS --param build_mode=${CMAKE_CFG_INTDIR}) 653 endif () 654 if (LLVM_MAIN_SRC_DIR) 655 set (LIT_COMMAND ${PYTHON_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py) 656 else() 657 find_program(LIT_COMMAND llvm-lit) 658 endif () 659 list(APPEND LIT_COMMAND ${LIT_ARGS}) 660 foreach(param ${ARG_PARAMS}) 661 list(APPEND LIT_COMMAND --param ${param}) 662 endforeach() 663 if( ARG_DEPENDS ) 664 add_custom_target(${target} 665 COMMAND ${LIT_COMMAND} ${ARG_DEFAULT_ARGS} 666 COMMENT "${comment}" 667 ) 668 add_dependencies(${target} ${ARG_DEPENDS}) 669 else() 670 add_custom_target(${target} 671 COMMAND ${CMAKE_COMMAND} -E echo "${target} does nothing, no tools built.") 672 message(STATUS "${target} does nothing.") 673 endif() 674 675 # Tests should be excluded from "Build Solution". 676 set_target_properties(${target} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD ON) 677endfunction() 678 679# A function to add a set of lit test suites to be driven through 'check-*' targets. 680function(add_lit_testsuite target comment) 681 parse_arguments(ARG "PARAMS;DEPENDS;ARGS" "" ${ARGN}) 682 683 # EXCLUDE_FROM_ALL excludes the test ${target} out of check-all. 684 if(NOT EXCLUDE_FROM_ALL) 685 # Register the testsuites, params and depends for the global check rule. 686 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_TESTSUITES ${ARG_DEFAULT_ARGS}) 687 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_PARAMS ${ARG_PARAMS}) 688 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_DEPENDS ${ARG_DEPENDS}) 689 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_EXTRA_ARGS ${ARG_ARGS}) 690 endif() 691 692 # Produce a specific suffixed check rule. 693 add_lit_target(${target} ${comment} 694 ${ARG_DEFAULT_ARGS} 695 PARAMS ${ARG_PARAMS} 696 DEPENDS ${ARG_DEPENDS} 697 ARGS ${ARG_ARGS} 698 ) 699endfunction() 700