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1include(CMakePushCheckState)
2include(CheckCXXCompilerFlag)
3include(CheckLibraryExists)
4include(CheckSymbolExists)
5include(TestBigEndian)
6
7function(check_linker_flag flag out_var)
8  cmake_push_check_state()
9  set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${flag}")
10  check_cxx_compiler_flag("" ${out_var})
11  cmake_pop_check_state()
12endfunction()
13
14# CodeGen options.
15check_cxx_compiler_flag(-fPIC                COMPILER_RT_HAS_FPIC_FLAG)
16check_cxx_compiler_flag(-fPIE                COMPILER_RT_HAS_FPIE_FLAG)
17check_cxx_compiler_flag(-fno-builtin         COMPILER_RT_HAS_FNO_BUILTIN_FLAG)
18check_cxx_compiler_flag(-fno-exceptions      COMPILER_RT_HAS_FNO_EXCEPTIONS_FLAG)
19check_cxx_compiler_flag(-fomit-frame-pointer COMPILER_RT_HAS_FOMIT_FRAME_POINTER_FLAG)
20check_cxx_compiler_flag(-funwind-tables      COMPILER_RT_HAS_FUNWIND_TABLES_FLAG)
21check_cxx_compiler_flag(-fno-stack-protector COMPILER_RT_HAS_FNO_STACK_PROTECTOR_FLAG)
22check_cxx_compiler_flag(-fno-sanitize=safe-stack COMPILER_RT_HAS_FNO_SANITIZE_SAFE_STACK_FLAG)
23check_cxx_compiler_flag(-fvisibility=hidden  COMPILER_RT_HAS_FVISIBILITY_HIDDEN_FLAG)
24check_cxx_compiler_flag(-frtti               COMPILER_RT_HAS_FRTTI_FLAG)
25check_cxx_compiler_flag(-fno-rtti            COMPILER_RT_HAS_FNO_RTTI_FLAG)
26check_cxx_compiler_flag(-ffreestanding       COMPILER_RT_HAS_FFREESTANDING_FLAG)
27check_cxx_compiler_flag("-Werror -fno-function-sections" COMPILER_RT_HAS_FNO_FUNCTION_SECTIONS_FLAG)
28check_cxx_compiler_flag(-std=c++11           COMPILER_RT_HAS_STD_CXX11_FLAG)
29check_cxx_compiler_flag(-ftls-model=initial-exec COMPILER_RT_HAS_FTLS_MODEL_INITIAL_EXEC)
30check_cxx_compiler_flag(-fno-lto             COMPILER_RT_HAS_FNO_LTO_FLAG)
31check_cxx_compiler_flag("-Werror -msse3" COMPILER_RT_HAS_MSSE3_FLAG)
32check_cxx_compiler_flag(--sysroot=.          COMPILER_RT_HAS_SYSROOT_FLAG)
33
34if(NOT WIN32 AND NOT CYGWIN)
35  # MinGW warns if -fvisibility-inlines-hidden is used.
36  check_cxx_compiler_flag("-fvisibility-inlines-hidden" COMPILER_RT_HAS_FVISIBILITY_INLINES_HIDDEN_FLAG)
37endif()
38
39check_cxx_compiler_flag(/GR COMPILER_RT_HAS_GR_FLAG)
40check_cxx_compiler_flag(/GS COMPILER_RT_HAS_GS_FLAG)
41check_cxx_compiler_flag(/MT COMPILER_RT_HAS_MT_FLAG)
42check_cxx_compiler_flag(/Oy COMPILER_RT_HAS_Oy_FLAG)
43
44# Debug info flags.
45check_cxx_compiler_flag(-gline-tables-only COMPILER_RT_HAS_GLINE_TABLES_ONLY_FLAG)
46check_cxx_compiler_flag(-g COMPILER_RT_HAS_G_FLAG)
47check_cxx_compiler_flag(/Zi COMPILER_RT_HAS_Zi_FLAG)
48
49# Warnings.
50check_cxx_compiler_flag(-Wall COMPILER_RT_HAS_WALL_FLAG)
51check_cxx_compiler_flag(-Werror COMPILER_RT_HAS_WERROR_FLAG)
52check_cxx_compiler_flag("-Werror -Wframe-larger-than=512" COMPILER_RT_HAS_WFRAME_LARGER_THAN_FLAG)
53check_cxx_compiler_flag("-Werror -Wglobal-constructors"   COMPILER_RT_HAS_WGLOBAL_CONSTRUCTORS_FLAG)
54check_cxx_compiler_flag("-Werror -Wc99-extensions"     COMPILER_RT_HAS_WC99_EXTENSIONS_FLAG)
55check_cxx_compiler_flag("-Werror -Wgnu"                COMPILER_RT_HAS_WGNU_FLAG)
56check_cxx_compiler_flag("-Werror -Wnon-virtual-dtor"   COMPILER_RT_HAS_WNON_VIRTUAL_DTOR_FLAG)
57check_cxx_compiler_flag("-Werror -Wvariadic-macros"    COMPILER_RT_HAS_WVARIADIC_MACROS_FLAG)
58check_cxx_compiler_flag("-Werror -Wunused-parameter"   COMPILER_RT_HAS_WUNUSED_PARAMETER_FLAG)
59
60check_cxx_compiler_flag(/W4 COMPILER_RT_HAS_W4_FLAG)
61check_cxx_compiler_flag(/WX COMPILER_RT_HAS_WX_FLAG)
62check_cxx_compiler_flag(/wd4146 COMPILER_RT_HAS_WD4146_FLAG)
63check_cxx_compiler_flag(/wd4291 COMPILER_RT_HAS_WD4291_FLAG)
64check_cxx_compiler_flag(/wd4221 COMPILER_RT_HAS_WD4221_FLAG)
65check_cxx_compiler_flag(/wd4391 COMPILER_RT_HAS_WD4391_FLAG)
66check_cxx_compiler_flag(/wd4722 COMPILER_RT_HAS_WD4722_FLAG)
67check_cxx_compiler_flag(/wd4800 COMPILER_RT_HAS_WD4800_FLAG)
68
69# Symbols.
70check_symbol_exists(__func__ "" COMPILER_RT_HAS_FUNC_SYMBOL)
71
72# Libraries.
73check_library_exists(c fopen "" COMPILER_RT_HAS_LIBC)
74check_library_exists(dl dlopen "" COMPILER_RT_HAS_LIBDL)
75check_library_exists(rt shm_open "" COMPILER_RT_HAS_LIBRT)
76check_library_exists(m pow "" COMPILER_RT_HAS_LIBM)
77check_library_exists(pthread pthread_create "" COMPILER_RT_HAS_LIBPTHREAD)
78check_library_exists(stdc++ __cxa_throw "" COMPILER_RT_HAS_LIBSTDCXX)
79
80# Linker flags.
81if(ANDROID)
82  check_linker_flag("-Wl,-z,global" COMPILER_RT_HAS_Z_GLOBAL)
83  check_library_exists(log __android_log_write "" COMPILER_RT_HAS_LIBLOG)
84endif()
85
86# Architectures.
87
88# List of all architectures we can target.
89set(COMPILER_RT_SUPPORTED_ARCH)
90
91# Try to compile a very simple source file to ensure we can target the given
92# platform. We use the results of these tests to build only the various target
93# runtime libraries supported by our current compilers cross-compiling
94# abilities.
95set(SIMPLE_SOURCE ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/simple.cc)
96file(WRITE ${SIMPLE_SOURCE} "#include <stdlib.h>\n#include <limits>\nint main() {}\n")
97
98# Add $arch as supported with no additional flags.
99macro(add_default_target_arch arch)
100  set(TARGET_${arch}_CFLAGS "")
101  set(CAN_TARGET_${arch} 1)
102  list(APPEND COMPILER_RT_SUPPORTED_ARCH ${arch})
103endmacro()
104
105# Detect whether the current target platform is 32-bit or 64-bit, and setup
106# the correct commandline flags needed to attempt to target 32-bit and 64-bit.
107if (NOT CMAKE_SIZEOF_VOID_P EQUAL 4 AND
108    NOT CMAKE_SIZEOF_VOID_P EQUAL 8)
109  message(FATAL_ERROR "Please use architecture with 4 or 8 byte pointers.")
110endif()
111
112test_targets()
113
114# Returns a list of architecture specific target cflags in @out_var list.
115function(get_target_flags_for_arch arch out_var)
116  list(FIND COMPILER_RT_SUPPORTED_ARCH ${arch} ARCH_INDEX)
117  if(ARCH_INDEX EQUAL -1)
118    message(FATAL_ERROR "Unsupported architecture: ${arch}")
119  else()
120    if (NOT APPLE)
121      set(${out_var} ${TARGET_${arch}_CFLAGS} PARENT_SCOPE)
122    else()
123      # This is only called in constructing cflags for tests executing on the
124      # host. This will need to all be cleaned up to support building tests
125      # for cross-targeted hardware (i.e. iOS).
126      set(${out_var} -arch ${arch} PARENT_SCOPE)
127    endif()
128  endif()
129endfunction()
130
131set(ARM64 aarch64)
132set(ARM32 arm armhf)
133set(X86 i386 i686)
134set(X86_64 x86_64)
135set(MIPS32 mips mipsel)
136set(MIPS64 mips64 mips64el)
137set(PPC64 powerpc64 powerpc64le)
138set(S390X s390x)
139set(WASM32 wasm32)
140set(WASM64 wasm64)
141
142if(APPLE)
143  set(ARM64 arm64)
144  set(ARM32 armv7 armv7s armv7k)
145  set(X86_64 x86_64 x86_64h)
146endif()
147
148set(ALL_SANITIZER_COMMON_SUPPORTED_ARCH ${X86} ${X86_64} ${PPC64}
149    ${ARM32} ${ARM64} ${MIPS32} ${MIPS64} ${S390X})
150set(ALL_ASAN_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM32} ${ARM64}
151    ${MIPS32} ${MIPS64} ${PPC64})
152set(ALL_DFSAN_SUPPORTED_ARCH ${X86_64} ${MIPS64} ${ARM64})
153set(ALL_LSAN_SUPPORTED_ARCH ${X86_64} ${MIPS64} ${ARM64})
154set(ALL_MSAN_SUPPORTED_ARCH ${X86_64} ${MIPS64} ${ARM64} ${PPC64})
155set(ALL_PROFILE_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM32} ${ARM64} ${PPC64}
156    ${MIPS32} ${MIPS64})
157set(ALL_TSAN_SUPPORTED_ARCH ${X86_64} ${MIPS64} ${ARM64} ${PPC64})
158set(ALL_UBSAN_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM32} ${ARM64}
159    ${MIPS32} ${MIPS64} ${PPC64} ${S390X})
160set(ALL_SAFESTACK_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM64} ${MIPS32} ${MIPS64})
161set(ALL_CFI_SUPPORTED_ARCH ${X86} ${X86_64} ${MIPS64})
162set(ALL_ESAN_SUPPORTED_ARCH ${X86_64})
163set(ALL_SCUDO_SUPPORTED_ARCH ${X86_64})
164
165if(APPLE)
166  include(CompilerRTDarwinUtils)
167
168  find_darwin_sdk_dir(DARWIN_osx_SYSROOT macosx)
169  find_darwin_sdk_dir(DARWIN_iossim_SYSROOT iphonesimulator)
170  find_darwin_sdk_dir(DARWIN_ios_SYSROOT iphoneos)
171  find_darwin_sdk_dir(DARWIN_watchossim_SYSROOT watchsimulator)
172  find_darwin_sdk_dir(DARWIN_watchos_SYSROOT watchos)
173  find_darwin_sdk_dir(DARWIN_tvossim_SYSROOT appletvsimulator)
174  find_darwin_sdk_dir(DARWIN_tvos_SYSROOT appletvos)
175
176  if(COMPILER_RT_ENABLE_IOS)
177    list(APPEND DARWIN_EMBEDDED_PLATFORMS ios)
178    set(DARWIN_ios_MIN_VER_FLAG -miphoneos-version-min)
179    set(DARWIN_ios_SANITIZER_MIN_VER_FLAG
180      ${DARWIN_ios_MIN_VER_FLAG}=7.0)
181  endif()
182  if(COMPILER_RT_ENABLE_WATCHOS)
183    list(APPEND DARWIN_EMBEDDED_PLATFORMS watchos)
184    set(DARWIN_watchos_MIN_VER_FLAG -mwatchos-version-min)
185    set(DARWIN_watchos_SANITIZER_MIN_VER_FLAG
186      ${DARWIN_watchos_MIN_VER_FLAG}=2.0)
187  endif()
188  if(COMPILER_RT_ENABLE_TVOS)
189    list(APPEND DARWIN_EMBEDDED_PLATFORMS tvos)
190    set(DARWIN_tvos_MIN_VER_FLAG -mtvos-version-min)
191    set(DARWIN_tvos_SANITIZER_MIN_VER_FLAG
192      ${DARWIN_tvos_MIN_VER_FLAG}=9.0)
193  endif()
194
195  # Note: In order to target x86_64h on OS X the minimum deployment target must
196  # be 10.8 or higher.
197  set(SANITIZER_COMMON_SUPPORTED_OS osx)
198  set(PROFILE_SUPPORTED_OS osx)
199  set(TSAN_SUPPORTED_OS osx)
200  if(NOT SANITIZER_MIN_OSX_VERSION)
201    string(REGEX MATCH "-mmacosx-version-min=([.0-9]+)"
202           MACOSX_VERSION_MIN_FLAG "${CMAKE_CXX_FLAGS}")
203    if(MACOSX_VERSION_MIN_FLAG)
204      set(SANITIZER_MIN_OSX_VERSION "${CMAKE_MATCH_1}")
205    elseif(CMAKE_OSX_DEPLOYMENT_TARGET)
206      set(SANITIZER_MIN_OSX_VERSION ${CMAKE_OSX_DEPLOYMENT_TARGET})
207    else()
208      set(SANITIZER_MIN_OSX_VERSION 10.9)
209    endif()
210    if(SANITIZER_MIN_OSX_VERSION VERSION_LESS "10.7")
211      message(FATAL_ERROR "Too old OS X version: ${SANITIZER_MIN_OSX_VERSION}")
212    endif()
213  endif()
214
215  # We're setting the flag manually for each target OS
216  set(CMAKE_OSX_DEPLOYMENT_TARGET "")
217
218  set(DARWIN_COMMON_CFLAGS -stdlib=libc++)
219  set(DARWIN_COMMON_LINKFLAGS
220    -stdlib=libc++
221    -lc++
222    -lc++abi)
223
224  check_linker_flag("-fapplication-extension" COMPILER_RT_HAS_APP_EXTENSION)
225  if(COMPILER_RT_HAS_APP_EXTENSION)
226    list(APPEND DARWIN_COMMON_LINKFLAGS "-fapplication-extension")
227  endif()
228
229  set(DARWIN_osx_CFLAGS
230    ${DARWIN_COMMON_CFLAGS}
231    -mmacosx-version-min=${SANITIZER_MIN_OSX_VERSION})
232  set(DARWIN_osx_LINKFLAGS
233    ${DARWIN_COMMON_LINKFLAGS}
234    -mmacosx-version-min=${SANITIZER_MIN_OSX_VERSION})
235
236  if(DARWIN_osx_SYSROOT)
237    list(APPEND DARWIN_osx_CFLAGS -isysroot ${DARWIN_osx_SYSROOT})
238    list(APPEND DARWIN_osx_LINKFLAGS -isysroot ${DARWIN_osx_SYSROOT})
239  endif()
240
241  # Figure out which arches to use for each OS
242  darwin_get_toolchain_supported_archs(toolchain_arches)
243  message(STATUS "Toolchain supported arches: ${toolchain_arches}")
244
245  if(NOT MACOSX_VERSION_MIN_FLAG)
246    darwin_test_archs(osx
247      DARWIN_osx_ARCHS
248      ${toolchain_arches})
249    message(STATUS "OSX supported arches: ${DARWIN_osx_ARCHS}")
250    foreach(arch ${DARWIN_osx_ARCHS})
251      list(APPEND COMPILER_RT_SUPPORTED_ARCH ${arch})
252      set(CAN_TARGET_${arch} 1)
253    endforeach()
254
255    foreach(platform ${DARWIN_EMBEDDED_PLATFORMS})
256      if(DARWIN_${platform}sim_SYSROOT)
257        set(DARWIN_${platform}sim_CFLAGS
258          ${DARWIN_COMMON_CFLAGS}
259          ${DARWIN_${platform}_SANITIZER_MIN_VER_FLAG}
260          -isysroot ${DARWIN_${platform}sim_SYSROOT})
261        set(DARWIN_${platform}sim_LINKFLAGS
262          ${DARWIN_COMMON_LINKFLAGS}
263          ${DARWIN_${platform}_SANITIZER_MIN_VER_FLAG}
264          -isysroot ${DARWIN_${platform}sim_SYSROOT})
265
266        set(DARWIN_${platform}sim_SKIP_CC_KEXT On)
267        darwin_test_archs(${platform}sim
268          DARWIN_${platform}sim_ARCHS
269          ${toolchain_arches})
270        message(STATUS "${platform} Simulator supported arches: ${DARWIN_${platform}sim_ARCHS}")
271        if(DARWIN_${platform}_ARCHS)
272          list(APPEND SANITIZER_COMMON_SUPPORTED_OS ${platform}sim)
273          list(APPEND PROFILE_SUPPORTED_OS ${platform}sim)
274          if(DARWIN_${platform}_SYSROOT_INTERNAL)
275            list(APPEND TSAN_SUPPORTED_OS ${platform}sim)
276          endif()
277        endif()
278        foreach(arch ${DARWIN_${platform}sim_ARCHS})
279          list(APPEND COMPILER_RT_SUPPORTED_ARCH ${arch})
280          set(CAN_TARGET_${arch} 1)
281        endforeach()
282      endif()
283
284      if(DARWIN_${platform}_SYSROOT)
285        set(DARWIN_${platform}_CFLAGS
286          ${DARWIN_COMMON_CFLAGS}
287          ${DARWIN_${platform}_SANITIZER_MIN_VER_FLAG}
288          -isysroot ${DARWIN_${platform}_SYSROOT})
289        set(DARWIN_${platform}_LINKFLAGS
290          ${DARWIN_COMMON_LINKFLAGS}
291          ${DARWIN_${platform}_SANITIZER_MIN_VER_FLAG}
292          -isysroot ${DARWIN_${platform}_SYSROOT})
293
294        darwin_test_archs(${platform}
295          DARWIN_${platform}_ARCHS
296          ${toolchain_arches})
297        message(STATUS "${platform} supported arches: ${DARWIN_${platform}_ARCHS}")
298        if(DARWIN_${platform}_ARCHS)
299          list(APPEND SANITIZER_COMMON_SUPPORTED_OS ${platform})
300          list(APPEND PROFILE_SUPPORTED_OS ${platform})
301        endif()
302        foreach(arch ${DARWIN_${platform}_ARCHS})
303          list(APPEND COMPILER_RT_SUPPORTED_ARCH ${arch})
304          set(CAN_TARGET_${arch} 1)
305        endforeach()
306      endif()
307    endforeach()
308  endif()
309
310  # for list_intersect
311  include(CompilerRTUtils)
312
313
314  list_intersect(SANITIZER_COMMON_SUPPORTED_ARCH
315    ALL_SANITIZER_COMMON_SUPPORTED_ARCH
316    COMPILER_RT_SUPPORTED_ARCH
317    )
318  set(LSAN_COMMON_SUPPORTED_ARCH ${SANITIZER_COMMON_SUPPORTED_ARCH})
319  set(UBSAN_COMMON_SUPPORTED_ARCH ${SANITIZER_COMMON_SUPPORTED_ARCH})
320  list_intersect(ASAN_SUPPORTED_ARCH
321    ALL_ASAN_SUPPORTED_ARCH
322    SANITIZER_COMMON_SUPPORTED_ARCH)
323  list_intersect(DFSAN_SUPPORTED_ARCH
324    ALL_DFSAN_SUPPORTED_ARCH
325    SANITIZER_COMMON_SUPPORTED_ARCH)
326  list_intersect(LSAN_SUPPORTED_ARCH
327    ALL_LSAN_SUPPORTED_ARCH
328    SANITIZER_COMMON_SUPPORTED_ARCH)
329  list_intersect(MSAN_SUPPORTED_ARCH
330    ALL_MSAN_SUPPORTED_ARCH
331    SANITIZER_COMMON_SUPPORTED_ARCH)
332  list_intersect(PROFILE_SUPPORTED_ARCH
333    ALL_PROFILE_SUPPORTED_ARCH
334    SANITIZER_COMMON_SUPPORTED_ARCH)
335  list_intersect(TSAN_SUPPORTED_ARCH
336    ALL_TSAN_SUPPORTED_ARCH
337    SANITIZER_COMMON_SUPPORTED_ARCH)
338  list_intersect(UBSAN_SUPPORTED_ARCH
339    ALL_UBSAN_SUPPORTED_ARCH
340    SANITIZER_COMMON_SUPPORTED_ARCH)
341  list_intersect(SAFESTACK_SUPPORTED_ARCH
342    ALL_SAFESTACK_SUPPORTED_ARCH
343    SANITIZER_COMMON_SUPPORTED_ARCH)
344  list_intersect(CFI_SUPPORTED_ARCH
345    ALL_CFI_SUPPORTED_ARCH
346    SANITIZER_COMMON_SUPPORTED_ARCH)
347  list_intersect(ESAN_SUPPORTED_ARCH
348    ALL_ESAN_SUPPORTED_ARCH
349    SANITIZER_COMMON_SUPPORTED_ARCH)
350  list_intersect(SCUDO_SUPPORTED_ARCH
351    ALL_SCUDO_SUPPORTED_ARCH
352    SANITIZER_COMMON_SUPPORTED_ARCH)
353else()
354  # Architectures supported by compiler-rt libraries.
355  filter_available_targets(SANITIZER_COMMON_SUPPORTED_ARCH
356    ${ALL_SANITIZER_COMMON_SUPPORTED_ARCH})
357  # LSan and UBSan common files should be available on all architectures
358  # supported by other sanitizers (even if they build into dummy object files).
359  filter_available_targets(LSAN_COMMON_SUPPORTED_ARCH
360    ${SANITIZER_COMMON_SUPPORTED_ARCH})
361  filter_available_targets(UBSAN_COMMON_SUPPORTED_ARCH
362    ${SANITIZER_COMMON_SUPPORTED_ARCH})
363  filter_available_targets(ASAN_SUPPORTED_ARCH ${ALL_ASAN_SUPPORTED_ARCH})
364  filter_available_targets(DFSAN_SUPPORTED_ARCH ${ALL_DFSAN_SUPPORTED_ARCH})
365  filter_available_targets(LSAN_SUPPORTED_ARCH ${ALL_LSAN_SUPPORTED_ARCH})
366  filter_available_targets(MSAN_SUPPORTED_ARCH ${ALL_MSAN_SUPPORTED_ARCH})
367  filter_available_targets(PROFILE_SUPPORTED_ARCH ${ALL_PROFILE_SUPPORTED_ARCH})
368  filter_available_targets(TSAN_SUPPORTED_ARCH ${ALL_TSAN_SUPPORTED_ARCH})
369  filter_available_targets(UBSAN_SUPPORTED_ARCH ${ALL_UBSAN_SUPPORTED_ARCH})
370  filter_available_targets(SAFESTACK_SUPPORTED_ARCH
371    ${ALL_SAFESTACK_SUPPORTED_ARCH})
372  filter_available_targets(CFI_SUPPORTED_ARCH ${ALL_CFI_SUPPORTED_ARCH})
373  filter_available_targets(ESAN_SUPPORTED_ARCH ${ALL_ESAN_SUPPORTED_ARCH})
374  filter_available_targets(SCUDO_SUPPORTED_ARCH
375    ${ALL_SCUDO_SUPPORTED_ARCH})
376endif()
377
378if (MSVC)
379  # See if the DIA SDK is available and usable.
380  set(MSVC_DIA_SDK_DIR "$ENV{VSINSTALLDIR}DIA SDK")
381  if (IS_DIRECTORY ${MSVC_DIA_SDK_DIR})
382    set(CAN_SYMBOLIZE 1)
383  else()
384    set(CAN_SYMBOLIZE 0)
385  endif()
386else()
387  set(CAN_SYMBOLIZE 1)
388endif()
389
390message(STATUS "Compiler-RT supported architectures: ${COMPILER_RT_SUPPORTED_ARCH}")
391
392if(ANDROID)
393  set(OS_NAME "Android")
394else()
395  set(OS_NAME "${CMAKE_SYSTEM_NAME}")
396endif()
397
398if (SANITIZER_COMMON_SUPPORTED_ARCH AND NOT LLVM_USE_SANITIZER AND
399    (OS_NAME MATCHES "Android|Darwin|Linux|FreeBSD" OR
400    (OS_NAME MATCHES "Windows" AND MSVC)))
401  set(COMPILER_RT_HAS_SANITIZER_COMMON TRUE)
402else()
403  set(COMPILER_RT_HAS_SANITIZER_COMMON FALSE)
404endif()
405
406if (COMPILER_RT_HAS_SANITIZER_COMMON)
407  set(COMPILER_RT_HAS_INTERCEPTION TRUE)
408else()
409  set(COMPILER_RT_HAS_INTERCEPTION FALSE)
410endif()
411
412if (COMPILER_RT_HAS_SANITIZER_COMMON AND ASAN_SUPPORTED_ARCH)
413  set(COMPILER_RT_HAS_ASAN TRUE)
414else()
415  set(COMPILER_RT_HAS_ASAN FALSE)
416endif()
417
418if (OS_NAME MATCHES "Linux|FreeBSD|Windows")
419  set(COMPILER_RT_ASAN_HAS_STATIC_RUNTIME TRUE)
420else()
421  set(COMPILER_RT_ASAN_HAS_STATIC_RUNTIME FALSE)
422endif()
423
424# TODO: Add builtins support.
425
426if (COMPILER_RT_HAS_SANITIZER_COMMON AND DFSAN_SUPPORTED_ARCH AND
427    OS_NAME MATCHES "Linux")
428  set(COMPILER_RT_HAS_DFSAN TRUE)
429else()
430  set(COMPILER_RT_HAS_DFSAN FALSE)
431endif()
432
433if (COMPILER_RT_HAS_SANITIZER_COMMON AND LSAN_SUPPORTED_ARCH AND
434    OS_NAME MATCHES "Linux|FreeBSD")
435  set(COMPILER_RT_HAS_LSAN TRUE)
436else()
437  set(COMPILER_RT_HAS_LSAN FALSE)
438endif()
439
440if (COMPILER_RT_HAS_SANITIZER_COMMON AND MSAN_SUPPORTED_ARCH AND
441    OS_NAME MATCHES "Linux")
442  set(COMPILER_RT_HAS_MSAN TRUE)
443else()
444  set(COMPILER_RT_HAS_MSAN FALSE)
445endif()
446
447if (PROFILE_SUPPORTED_ARCH AND
448    OS_NAME MATCHES "Darwin|Linux|FreeBSD|Windows")
449  set(COMPILER_RT_HAS_PROFILE TRUE)
450else()
451  set(COMPILER_RT_HAS_PROFILE FALSE)
452endif()
453
454if (COMPILER_RT_HAS_SANITIZER_COMMON AND TSAN_SUPPORTED_ARCH AND
455    OS_NAME MATCHES "Darwin|Linux|FreeBSD")
456  set(COMPILER_RT_HAS_TSAN TRUE)
457else()
458  set(COMPILER_RT_HAS_TSAN FALSE)
459endif()
460
461if (COMPILER_RT_HAS_SANITIZER_COMMON AND UBSAN_SUPPORTED_ARCH AND
462    OS_NAME MATCHES "Darwin|Linux|FreeBSD|Windows")
463  set(COMPILER_RT_HAS_UBSAN TRUE)
464else()
465  set(COMPILER_RT_HAS_UBSAN FALSE)
466endif()
467
468if (COMPILER_RT_HAS_SANITIZER_COMMON AND SAFESTACK_SUPPORTED_ARCH AND
469    OS_NAME MATCHES "Darwin|Linux|FreeBSD")
470  set(COMPILER_RT_HAS_SAFESTACK TRUE)
471else()
472  set(COMPILER_RT_HAS_SAFESTACK FALSE)
473endif()
474
475if (COMPILER_RT_HAS_SANITIZER_COMMON AND CFI_SUPPORTED_ARCH AND
476    OS_NAME MATCHES "Linux")
477  set(COMPILER_RT_HAS_CFI TRUE)
478else()
479  set(COMPILER_RT_HAS_CFI FALSE)
480endif()
481
482if (COMPILER_RT_HAS_SANITIZER_COMMON AND ESAN_SUPPORTED_ARCH AND
483    OS_NAME MATCHES "Linux")
484  set(COMPILER_RT_HAS_ESAN TRUE)
485else()
486  set(COMPILER_RT_HAS_ESAN FALSE)
487endif()
488
489if (COMPILER_RT_HAS_SANITIZER_COMMON AND SCUDO_SUPPORTED_ARCH AND
490    OS_NAME MATCHES "Linux")
491  set(COMPILER_RT_HAS_SCUDO TRUE)
492else()
493  set(COMPILER_RT_HAS_SCUDO FALSE)
494endif()
495
496