1include(CMakeParseArguments) 2include(CompilerRTUtils) 3include(BuiltinTests) 4 5set(CMAKE_LIPO "lipo" CACHE PATH "path to the lipo tool") 6 7# On OS X SDKs can be installed anywhere on the base system and xcode-select can 8# set the default Xcode to use. This function finds the SDKs that are present in 9# the current Xcode. 10function(find_darwin_sdk_dir var sdk_name) 11 set(DARWIN_${sdk_name}_CACHED_SYSROOT "" CACHE STRING "Darwin SDK path for SDK ${sdk_name}.") 12 set(DARWIN_PREFER_PUBLIC_SDK OFF CACHE BOOL "Prefer Darwin public SDK, even when an internal SDK is present.") 13 14 if(DARWIN_${sdk_name}_CACHED_SYSROOT) 15 set(${var} ${DARWIN_${sdk_name}_CACHED_SYSROOT} PARENT_SCOPE) 16 return() 17 endif() 18 if(NOT DARWIN_PREFER_PUBLIC_SDK) 19 # Let's first try the internal SDK, otherwise use the public SDK. 20 execute_process( 21 COMMAND xcrun --sdk ${sdk_name}.internal --show-sdk-path 22 RESULT_VARIABLE result_process 23 OUTPUT_VARIABLE var_internal 24 OUTPUT_STRIP_TRAILING_WHITESPACE 25 ERROR_FILE /dev/null 26 ) 27 endif() 28 if((NOT result_process EQUAL 0) OR "" STREQUAL "${var_internal}") 29 execute_process( 30 COMMAND xcrun --sdk ${sdk_name} --show-sdk-path 31 RESULT_VARIABLE result_process 32 OUTPUT_VARIABLE var_internal 33 OUTPUT_STRIP_TRAILING_WHITESPACE 34 ERROR_FILE /dev/null 35 ) 36 else() 37 set(${var}_INTERNAL ${var_internal} PARENT_SCOPE) 38 endif() 39 if(result_process EQUAL 0) 40 set(${var} ${var_internal} PARENT_SCOPE) 41 endif() 42 message(STATUS "Checking DARWIN_${sdk_name}_SYSROOT - '${var_internal}'") 43 set(DARWIN_${sdk_name}_CACHED_SYSROOT ${var_internal} CACHE STRING "Darwin SDK path for SDK ${sdk_name}." FORCE) 44endfunction() 45 46function(find_darwin_sdk_version var sdk_name) 47 if (DARWIN_${sdk_name}_OVERRIDE_SDK_VERSION) 48 message(WARNING "Overriding ${sdk_name} SDK version to ${DARWIN_${sdk_name}_OVERRIDE_SDK_VERSION}") 49 set(${var} "${DARWIN_${sdk_name}_OVERRIDE_SDK_VERSION}" PARENT_SCOPE) 50 return() 51 endif() 52 set(result_process 1) 53 if(NOT DARWIN_PREFER_PUBLIC_SDK) 54 # Let's first try the internal SDK, otherwise use the public SDK. 55 execute_process( 56 COMMAND xcrun --sdk ${sdk_name}.internal --show-sdk-version 57 RESULT_VARIABLE result_process 58 OUTPUT_VARIABLE var_internal 59 OUTPUT_STRIP_TRAILING_WHITESPACE 60 ERROR_FILE /dev/null 61 ) 62 endif() 63 if((NOT ${result_process} EQUAL 0) OR "" STREQUAL "${var_internal}") 64 execute_process( 65 COMMAND xcrun --sdk ${sdk_name} --show-sdk-version 66 RESULT_VARIABLE result_process 67 OUTPUT_VARIABLE var_internal 68 OUTPUT_STRIP_TRAILING_WHITESPACE 69 ERROR_FILE /dev/null 70 ) 71 endif() 72 if(NOT result_process EQUAL 0) 73 message(FATAL_ERROR 74 "Failed to determine SDK version for \"${sdk_name}\" SDK") 75 endif() 76 # Check reported version looks sane. 77 if (NOT "${var_internal}" MATCHES "^[0-9]+\\.[0-9]+(\\.[0-9]+)?$") 78 message(FATAL_ERROR 79 "Reported SDK version \"${var_internal}\" does not look like a version") 80 endif() 81 set(${var} ${var_internal} PARENT_SCOPE) 82endfunction() 83 84# There isn't a clear mapping of what architectures are supported with a given 85# target platform, but ld's version output does list the architectures it can 86# link for. 87function(darwin_get_toolchain_supported_archs output_var) 88 execute_process( 89 COMMAND "${CMAKE_LINKER}" -v 90 ERROR_VARIABLE LINKER_VERSION) 91 92 string(REGEX MATCH "configured to support archs: ([^\n]+)" 93 ARCHES_MATCHED "${LINKER_VERSION}") 94 if(ARCHES_MATCHED) 95 set(ARCHES "${CMAKE_MATCH_1}") 96 message(STATUS "Got ld supported ARCHES: ${ARCHES}") 97 string(REPLACE " " ";" ARCHES ${ARCHES}) 98 else() 99 # If auto-detecting fails, fall back to a default set 100 message(WARNING "Detecting supported architectures from 'ld -v' failed. Returning default set.") 101 set(ARCHES "i386;x86_64;armv7;armv7s;arm64") 102 endif() 103 104 set(${output_var} ${ARCHES} PARENT_SCOPE) 105endfunction() 106 107# This function takes an OS and a list of architectures and identifies the 108# subset of the architectures list that the installed toolchain can target. 109function(darwin_test_archs os valid_archs) 110 if(${valid_archs}) 111 message(STATUS "Using cached valid architectures for ${os}.") 112 return() 113 endif() 114 115 set(archs ${ARGN}) 116 if(NOT TEST_COMPILE_ONLY) 117 message(STATUS "Finding valid architectures for ${os}...") 118 set(SIMPLE_C ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/src.c) 119 file(WRITE ${SIMPLE_C} "#include <stdio.h>\nint main() { printf(__FILE__); return 0; }\n") 120 121 set(os_linker_flags) 122 foreach(flag ${DARWIN_${os}_LINK_FLAGS}) 123 set(os_linker_flags "${os_linker_flags} ${flag}") 124 endforeach() 125 126 # Disable building for i386 for macOS SDK >= 10.15. The SDK doesn't support 127 # linking for i386 and the corresponding OS doesn't allow running macOS i386 128 # binaries. 129 if ("${os}" STREQUAL "osx") 130 find_darwin_sdk_version(macosx_sdk_version "macosx") 131 if ("${macosx_sdk_version}" VERSION_GREATER 10.15 OR "${macosx_sdk_version}" VERSION_EQUAL 10.15) 132 message(STATUS "Disabling i386 slice for ${valid_archs}") 133 list(REMOVE_ITEM archs "i386") 134 endif() 135 endif() 136 endif() 137 138 # The simple program will build for x86_64h on the simulator because it is 139 # compatible with x86_64 libraries (mostly), but since x86_64h isn't actually 140 # a valid or useful architecture for the iOS simulator we should drop it. 141 if(${os} MATCHES "^(iossim|tvossim|watchossim)$") 142 list(REMOVE_ITEM archs "x86_64h") 143 endif() 144 145 set(working_archs) 146 foreach(arch ${archs}) 147 148 set(arch_linker_flags "-arch ${arch} ${os_linker_flags}") 149 if(TEST_COMPILE_ONLY) 150 # `-w` is used to surpress compiler warnings which `try_compile_only()` treats as an error. 151 try_compile_only(CAN_TARGET_${os}_${arch} FLAGS -v -arch ${arch} ${DARWIN_${os}_CFLAGS} -w) 152 else() 153 set(SAVED_CMAKE_EXE_LINKER_FLAGS ${CMAKE_EXE_LINKER_FLAGS}) 154 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${arch_linker_flags}") 155 try_compile(CAN_TARGET_${os}_${arch} ${CMAKE_BINARY_DIR} ${SIMPLE_C} 156 COMPILE_DEFINITIONS "-v -arch ${arch}" ${DARWIN_${os}_CFLAGS} 157 OUTPUT_VARIABLE TEST_OUTPUT) 158 set(CMAKE_EXE_LINKER_FLAGS ${SAVED_CMAKE_EXE_LINKER_FLAGS}) 159 endif() 160 if(${CAN_TARGET_${os}_${arch}}) 161 list(APPEND working_archs ${arch}) 162 else() 163 file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log 164 "Testing compiler for supporting ${os}-${arch}:\n" 165 "${TEST_OUTPUT}\n") 166 endif() 167 endforeach() 168 set(${valid_archs} ${working_archs} 169 CACHE STRING "List of valid architectures for platform ${os}." FORCE) 170endfunction() 171 172# This function checks the host cputype/cpusubtype to filter supported 173# architecture for the host OS. This is used to determine which tests are 174# available for the host. 175function(darwin_filter_host_archs input output) 176 list_intersect(tmp_var DARWIN_osx_ARCHS ${input}) 177 execute_process( 178 COMMAND sysctl hw.cputype 179 OUTPUT_VARIABLE CPUTYPE) 180 string(REGEX MATCH "hw.cputype: ([0-9]*)" 181 CPUTYPE_MATCHED "${CPUTYPE}") 182 set(ARM_HOST Off) 183 if(CPUTYPE_MATCHED) 184 # ARM cputype is (0x01000000 | 12) and X86(_64) is always 7. 185 if(${CMAKE_MATCH_1} GREATER 11) 186 set(ARM_HOST On) 187 endif() 188 endif() 189 190 if(ARM_HOST) 191 list(REMOVE_ITEM tmp_var i386) 192 else() 193 list(REMOVE_ITEM tmp_var arm64) 194 list(REMOVE_ITEM tmp_var arm64e) 195 execute_process( 196 COMMAND sysctl hw.cpusubtype 197 OUTPUT_VARIABLE SUBTYPE) 198 string(REGEX MATCH "hw.cpusubtype: ([0-9]*)" 199 SUBTYPE_MATCHED "${SUBTYPE}") 200 201 set(HASWELL_SUPPORTED Off) 202 if(SUBTYPE_MATCHED) 203 if(${CMAKE_MATCH_1} GREATER 7) 204 set(HASWELL_SUPPORTED On) 205 endif() 206 endif() 207 if(NOT HASWELL_SUPPORTED) 208 list(REMOVE_ITEM tmp_var x86_64h) 209 endif() 210 endif() 211 212 set(${output} ${tmp_var} PARENT_SCOPE) 213endfunction() 214 215# Read and process the exclude file into a list of symbols 216function(darwin_read_list_from_file output_var file) 217 if(EXISTS ${file}) 218 file(READ ${file} EXCLUDES) 219 string(REPLACE "\n" ";" EXCLUDES ${EXCLUDES}) 220 set(${output_var} ${EXCLUDES} PARENT_SCOPE) 221 endif() 222endfunction() 223 224# this function takes an OS, architecture and minimum version and provides a 225# list of builtin functions to exclude 226function(darwin_find_excluded_builtins_list output_var) 227 cmake_parse_arguments(LIB 228 "" 229 "OS;ARCH;MIN_VERSION" 230 "" 231 ${ARGN}) 232 233 if(NOT LIB_OS OR NOT LIB_ARCH) 234 message(FATAL_ERROR "Must specify OS and ARCH to darwin_find_excluded_builtins_list!") 235 endif() 236 237 darwin_read_list_from_file(${LIB_OS}_BUILTINS 238 ${DARWIN_EXCLUDE_DIR}/${LIB_OS}.txt) 239 darwin_read_list_from_file(${LIB_OS}_${LIB_ARCH}_BASE_BUILTINS 240 ${DARWIN_EXCLUDE_DIR}/${LIB_OS}-${LIB_ARCH}.txt) 241 242 if(LIB_MIN_VERSION) 243 file(GLOB builtin_lists ${DARWIN_EXCLUDE_DIR}/${LIB_OS}*-${LIB_ARCH}.txt) 244 foreach(builtin_list ${builtin_lists}) 245 string(REGEX MATCH "${LIB_OS}([0-9\\.]*)-${LIB_ARCH}.txt" VERSION_MATCHED "${builtin_list}") 246 if (VERSION_MATCHED AND NOT CMAKE_MATCH_1 VERSION_LESS LIB_MIN_VERSION) 247 if(NOT smallest_version) 248 set(smallest_version ${CMAKE_MATCH_1}) 249 elseif(CMAKE_MATCH_1 VERSION_LESS smallest_version) 250 set(smallest_version ${CMAKE_MATCH_1}) 251 endif() 252 endif() 253 endforeach() 254 255 if(smallest_version) 256 darwin_read_list_from_file(${LIB_ARCH}_${LIB_OS}_BUILTINS 257 ${DARWIN_EXCLUDE_DIR}/${LIB_OS}${smallest_version}-${LIB_ARCH}.txt) 258 endif() 259 endif() 260 261 set(${output_var} 262 ${${LIB_ARCH}_${LIB_OS}_BUILTINS} 263 ${${LIB_OS}_${LIB_ARCH}_BASE_BUILTINS} 264 ${${LIB_OS}_BUILTINS} PARENT_SCOPE) 265endfunction() 266 267# adds a single builtin library for a single OS & ARCH 268macro(darwin_add_builtin_library name suffix) 269 cmake_parse_arguments(LIB 270 "" 271 "PARENT_TARGET;OS;ARCH" 272 "SOURCES;CFLAGS;DEFS;INCLUDE_DIRS" 273 ${ARGN}) 274 set(libname "${name}.${suffix}_${LIB_ARCH}_${LIB_OS}") 275 add_library(${libname} STATIC ${LIB_SOURCES}) 276 if(DARWIN_${LIB_OS}_SYSROOT) 277 set(sysroot_flag -isysroot ${DARWIN_${LIB_OS}_SYSROOT}) 278 endif() 279 280 # Make a copy of the compilation flags. 281 set(builtin_cflags ${LIB_CFLAGS}) 282 283 # Strip out any inappropriate flags for the target. 284 if("${LIB_ARCH}" MATCHES "^(armv7|armv7k|armv7s)$") 285 set(builtin_cflags "") 286 foreach(cflag "${LIB_CFLAGS}") 287 string(REPLACE "-fomit-frame-pointer" "" cflag "${cflag}") 288 list(APPEND builtin_cflags ${cflag}) 289 endforeach(cflag) 290 endif() 291 292 set_target_compile_flags(${libname} 293 ${sysroot_flag} 294 ${DARWIN_${LIB_OS}_BUILTIN_MIN_VER_FLAG} 295 ${builtin_cflags}) 296 target_include_directories(${libname} 297 PRIVATE ${LIB_INCLUDE_DIRS}) 298 set_property(TARGET ${libname} APPEND PROPERTY 299 COMPILE_DEFINITIONS ${LIB_DEFS}) 300 set_target_properties(${libname} PROPERTIES 301 OUTPUT_NAME ${libname}${COMPILER_RT_OS_SUFFIX}) 302 set_target_properties(${libname} PROPERTIES 303 OSX_ARCHITECTURES ${LIB_ARCH}) 304 305 if(LIB_PARENT_TARGET) 306 add_dependencies(${LIB_PARENT_TARGET} ${libname}) 307 endif() 308 309 list(APPEND ${LIB_OS}_${suffix}_libs ${libname}) 310 list(APPEND ${LIB_OS}_${suffix}_lipo_flags -arch ${arch} $<TARGET_FILE:${libname}>) 311 set_target_properties(${libname} PROPERTIES FOLDER "Compiler-RT Libraries") 312endmacro() 313 314function(darwin_lipo_libs name) 315 cmake_parse_arguments(LIB 316 "" 317 "PARENT_TARGET;OUTPUT_DIR;INSTALL_DIR" 318 "LIPO_FLAGS;DEPENDS" 319 ${ARGN}) 320 if(LIB_DEPENDS AND LIB_LIPO_FLAGS) 321 add_custom_command(OUTPUT ${LIB_OUTPUT_DIR}/lib${name}.a 322 COMMAND ${CMAKE_COMMAND} -E make_directory ${LIB_OUTPUT_DIR} 323 COMMAND ${CMAKE_LIPO} -output 324 ${LIB_OUTPUT_DIR}/lib${name}.a 325 -create ${LIB_LIPO_FLAGS} 326 DEPENDS ${LIB_DEPENDS} 327 ) 328 add_custom_target(${name} 329 DEPENDS ${LIB_OUTPUT_DIR}/lib${name}.a) 330 set_target_properties(${name} PROPERTIES FOLDER "Compiler-RT Misc") 331 add_dependencies(${LIB_PARENT_TARGET} ${name}) 332 333 if(CMAKE_CONFIGURATION_TYPES) 334 set(install_component ${LIB_PARENT_TARGET}) 335 else() 336 set(install_component ${name}) 337 endif() 338 install(FILES ${LIB_OUTPUT_DIR}/lib${name}.a 339 DESTINATION ${LIB_INSTALL_DIR} 340 COMPONENT ${install_component}) 341 add_compiler_rt_install_targets(${name} PARENT_TARGET ${LIB_PARENT_TARGET}) 342 else() 343 message(WARNING "Not generating lipo target for ${name} because no input libraries exist.") 344 endif() 345endfunction() 346 347# Filter the list of builtin sources for Darwin, then delegate to the generic 348# filtering. 349# 350# `exclude_or_include` must be one of: 351# - EXCLUDE: remove every item whose name (w/o extension) matches a name in 352# `excluded_list`. 353# - INCLUDE: keep only items whose name (w/o extension) matches something 354# in `excluded_list`. 355function(darwin_filter_builtin_sources output_var name exclude_or_include excluded_list) 356 if(exclude_or_include STREQUAL "EXCLUDE") 357 set(filter_action GREATER) 358 set(filter_value -1) 359 elseif(exclude_or_include STREQUAL "INCLUDE") 360 set(filter_action LESS) 361 set(filter_value 0) 362 else() 363 message(FATAL_ERROR "darwin_filter_builtin_sources called without EXCLUDE|INCLUDE") 364 endif() 365 366 set(intermediate ${ARGN}) 367 foreach(_file ${intermediate}) 368 get_filename_component(_name_we ${_file} NAME_WE) 369 list(FIND ${excluded_list} ${_name_we} _found) 370 if(_found ${filter_action} ${filter_value}) 371 list(REMOVE_ITEM intermediate ${_file}) 372 endif() 373 endforeach() 374 375 filter_builtin_sources(intermediate ${name}) 376 set(${output_var} ${intermediate} PARENT_SCOPE) 377endfunction() 378 379# Generates builtin libraries for all operating systems specified in ARGN. Each 380# OS library is constructed by lipo-ing together single-architecture libraries. 381macro(darwin_add_builtin_libraries) 382 set(DARWIN_EXCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/Darwin-excludes) 383 384 set(CFLAGS "-fPIC -O3 -fvisibility=hidden -DVISIBILITY_HIDDEN -Wall -fomit-frame-pointer") 385 set(CMAKE_C_FLAGS "") 386 set(CMAKE_CXX_FLAGS "") 387 set(CMAKE_ASM_FLAGS "") 388 389 set(PROFILE_SOURCES ../profile/InstrProfiling 390 ../profile/InstrProfilingBuffer 391 ../profile/InstrProfilingPlatformDarwin 392 ../profile/InstrProfilingWriter) 393 foreach (os ${ARGN}) 394 list_intersect(DARWIN_BUILTIN_ARCHS DARWIN_${os}_BUILTIN_ARCHS BUILTIN_SUPPORTED_ARCH) 395 foreach (arch ${DARWIN_BUILTIN_ARCHS}) 396 darwin_find_excluded_builtins_list(${arch}_${os}_EXCLUDED_BUILTINS 397 OS ${os} 398 ARCH ${arch} 399 MIN_VERSION ${DARWIN_${os}_BUILTIN_MIN_VER}) 400 401 darwin_filter_builtin_sources(filtered_sources 402 ${os}_${arch} 403 EXCLUDE ${arch}_${os}_EXCLUDED_BUILTINS 404 ${${arch}_SOURCES}) 405 406 darwin_add_builtin_library(clang_rt builtins 407 OS ${os} 408 ARCH ${arch} 409 SOURCES ${filtered_sources} 410 CFLAGS ${CFLAGS} -arch ${arch} 411 PARENT_TARGET builtins) 412 endforeach() 413 414 # Don't build cc_kext libraries for simulator platforms 415 if(NOT DARWIN_${os}_SKIP_CC_KEXT) 416 foreach (arch ${DARWIN_BUILTIN_ARCHS}) 417 # By not specifying MIN_VERSION this only reads the OS and OS-arch lists. 418 # We don't want to filter out the builtins that are present in libSystem 419 # because kexts can't link libSystem. 420 darwin_find_excluded_builtins_list(${arch}_${os}_EXCLUDED_BUILTINS 421 OS ${os} 422 ARCH ${arch}) 423 424 darwin_filter_builtin_sources(filtered_sources 425 cc_kext_${os}_${arch} 426 EXCLUDE ${arch}_${os}_EXCLUDED_BUILTINS 427 ${${arch}_SOURCES}) 428 429 # In addition to the builtins cc_kext includes some profile sources 430 darwin_add_builtin_library(clang_rt cc_kext 431 OS ${os} 432 ARCH ${arch} 433 SOURCES ${filtered_sources} ${PROFILE_SOURCES} 434 CFLAGS ${CFLAGS} -arch ${arch} -mkernel 435 DEFS KERNEL_USE 436 INCLUDE_DIRS ../../include 437 PARENT_TARGET builtins) 438 endforeach() 439 set(archive_name clang_rt.cc_kext_${os}) 440 if(${os} STREQUAL "osx") 441 set(archive_name clang_rt.cc_kext) 442 endif() 443 darwin_lipo_libs(${archive_name} 444 PARENT_TARGET builtins 445 LIPO_FLAGS ${${os}_cc_kext_lipo_flags} 446 DEPENDS ${${os}_cc_kext_libs} 447 OUTPUT_DIR ${COMPILER_RT_LIBRARY_OUTPUT_DIR} 448 INSTALL_DIR ${COMPILER_RT_LIBRARY_INSTALL_DIR}) 449 endif() 450 endforeach() 451 452 # We put the x86 sim slices into the archives for their base OS 453 foreach (os ${ARGN}) 454 if(NOT ${os} MATCHES ".*sim$") 455 darwin_lipo_libs(clang_rt.${os} 456 PARENT_TARGET builtins 457 LIPO_FLAGS ${${os}_builtins_lipo_flags} ${${os}sim_builtins_lipo_flags} 458 DEPENDS ${${os}_builtins_libs} ${${os}sim_builtins_libs} 459 OUTPUT_DIR ${COMPILER_RT_LIBRARY_OUTPUT_DIR} 460 INSTALL_DIR ${COMPILER_RT_LIBRARY_INSTALL_DIR}) 461 endif() 462 endforeach() 463 darwin_add_embedded_builtin_libraries() 464endmacro() 465 466macro(darwin_add_embedded_builtin_libraries) 467 # this is a hacky opt-out. If you can't target both intel and arm 468 # architectures we bail here. 469 set(DARWIN_SOFT_FLOAT_ARCHS armv6m armv7m armv7em armv7) 470 set(DARWIN_HARD_FLOAT_ARCHS armv7em armv7) 471 if(COMPILER_RT_SUPPORTED_ARCH MATCHES ".*armv.*") 472 list(FIND COMPILER_RT_SUPPORTED_ARCH i386 i386_idx) 473 if(i386_idx GREATER -1) 474 list(APPEND DARWIN_HARD_FLOAT_ARCHS i386) 475 endif() 476 477 list(FIND COMPILER_RT_SUPPORTED_ARCH x86_64 x86_64_idx) 478 if(x86_64_idx GREATER -1) 479 list(APPEND DARWIN_HARD_FLOAT_ARCHS x86_64) 480 endif() 481 482 set(MACHO_SYM_DIR ${CMAKE_CURRENT_SOURCE_DIR}/macho_embedded) 483 484 set(CFLAGS "-Oz -Wall -fomit-frame-pointer -ffreestanding") 485 set(CMAKE_C_FLAGS "") 486 set(CMAKE_CXX_FLAGS "") 487 set(CMAKE_ASM_FLAGS "") 488 489 set(SOFT_FLOAT_FLAG -mfloat-abi=soft) 490 set(HARD_FLOAT_FLAG -mfloat-abi=hard) 491 492 set(ENABLE_PIC Off) 493 set(PIC_FLAG -fPIC) 494 set(STATIC_FLAG -static) 495 496 set(DARWIN_macho_embedded_ARCHS armv6m armv7m armv7em armv7 i386 x86_64) 497 498 set(DARWIN_macho_embedded_LIBRARY_OUTPUT_DIR 499 ${COMPILER_RT_OUTPUT_DIR}/lib/macho_embedded) 500 set(DARWIN_macho_embedded_LIBRARY_INSTALL_DIR 501 ${COMPILER_RT_INSTALL_PATH}/lib/macho_embedded) 502 503 set(CFLAGS_armv7 "-target thumbv7-apple-darwin-eabi") 504 set(CFLAGS_i386 "-march=pentium") 505 506 darwin_read_list_from_file(common_FUNCTIONS ${MACHO_SYM_DIR}/common.txt) 507 darwin_read_list_from_file(thumb2_FUNCTIONS ${MACHO_SYM_DIR}/thumb2.txt) 508 darwin_read_list_from_file(thumb2_64_FUNCTIONS ${MACHO_SYM_DIR}/thumb2-64.txt) 509 darwin_read_list_from_file(arm_FUNCTIONS ${MACHO_SYM_DIR}/arm.txt) 510 darwin_read_list_from_file(i386_FUNCTIONS ${MACHO_SYM_DIR}/i386.txt) 511 512 513 set(armv6m_FUNCTIONS ${common_FUNCTIONS} ${arm_FUNCTIONS}) 514 set(armv7m_FUNCTIONS ${common_FUNCTIONS} ${arm_FUNCTIONS} ${thumb2_FUNCTIONS}) 515 set(armv7em_FUNCTIONS ${common_FUNCTIONS} ${arm_FUNCTIONS} ${thumb2_FUNCTIONS}) 516 set(armv7_FUNCTIONS ${common_FUNCTIONS} ${arm_FUNCTIONS} ${thumb2_FUNCTIONS} ${thumb2_64_FUNCTIONS}) 517 set(i386_FUNCTIONS ${common_FUNCTIONS} ${i386_FUNCTIONS}) 518 set(x86_64_FUNCTIONS ${common_FUNCTIONS}) 519 520 foreach(arch ${DARWIN_macho_embedded_ARCHS}) 521 darwin_filter_builtin_sources(${arch}_filtered_sources 522 macho_embedded_${arch} 523 INCLUDE ${arch}_FUNCTIONS 524 ${${arch}_SOURCES}) 525 if(NOT ${arch}_filtered_sources) 526 message(WARNING "${arch}_SOURCES: ${${arch}_SOURCES}") 527 message(WARNING "${arch}_FUNCTIONS: ${${arch}_FUNCTIONS}") 528 message(FATAL_ERROR "Empty filtered sources!") 529 endif() 530 endforeach() 531 532 foreach(float_type SOFT HARD) 533 foreach(type PIC STATIC) 534 string(TOLOWER "${float_type}_${type}" lib_suffix) 535 foreach(arch ${DARWIN_${float_type}_FLOAT_ARCHS}) 536 set(DARWIN_macho_embedded_SYSROOT ${DARWIN_osx_SYSROOT}) 537 set(float_flag) 538 if(${arch} MATCHES "^arm") 539 # x86 targets are hard float by default, but the complain about the 540 # float ABI flag, so don't pass it unless we're targeting arm. 541 set(float_flag ${${float_type}_FLOAT_FLAG}) 542 endif() 543 darwin_add_builtin_library(clang_rt ${lib_suffix} 544 OS macho_embedded 545 ARCH ${arch} 546 SOURCES ${${arch}_filtered_sources} 547 CFLAGS ${CFLAGS} -arch ${arch} ${${type}_FLAG} ${float_flag} ${CFLAGS_${arch}} 548 PARENT_TARGET builtins) 549 endforeach() 550 foreach(lib ${macho_embedded_${lib_suffix}_libs}) 551 set_target_properties(${lib} PROPERTIES LINKER_LANGUAGE C) 552 endforeach() 553 darwin_lipo_libs(clang_rt.${lib_suffix} 554 PARENT_TARGET builtins 555 LIPO_FLAGS ${macho_embedded_${lib_suffix}_lipo_flags} 556 DEPENDS ${macho_embedded_${lib_suffix}_libs} 557 OUTPUT_DIR ${DARWIN_macho_embedded_LIBRARY_OUTPUT_DIR} 558 INSTALL_DIR ${DARWIN_macho_embedded_LIBRARY_INSTALL_DIR}) 559 endforeach() 560 endforeach() 561 endif() 562endmacro() 563