clang/cmake/caches/Fuchsia-stage2.cmake

   1 # This file sets up a CMakeCache for the second stage of a Fuchsia toolchain build.
   2
   3 option(FUCHSIA_ENABLE_LLDB "Enable LLDB")
   4
   5 set(LLVM_TARGETS_TO_BUILD X86;ARM;AArch64;RISCV CACHE STRING "")
   6
   7 set(PACKAGE_VENDOR Fuchsia CACHE STRING "")
   8
   9 set(_FUCHSIA_ENABLE_PROJECTS "bolt;clang;clang-tools-extra;lld;llvm;polly")
  10 set(LLVM_ENABLE_RUNTIMES "compiler-rt;libcxx;libcxxabi;libunwind" CACHE STRING "")
  11
  12 set(LLVM_ENABLE_BACKTRACES OFF CACHE BOOL "")
  13 set(LLVM_ENABLE_DIA_SDK OFF CACHE BOOL "")
  14 set(LLVM_ENABLE_FATLTO ON CACHE BOOL "")
  15 set(LLVM_ENABLE_HTTPLIB ON CACHE BOOL "")
  16 set(LLVM_ENABLE_LIBCXX ON CACHE BOOL "")
  17 set(LLVM_ENABLE_LIBEDIT OFF CACHE BOOL "")
  18 set(LLVM_ENABLE_LLD ON CACHE BOOL "")
  19 set(LLVM_ENABLE_LTO ON CACHE BOOL "")
  20 set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR ON CACHE BOOL "")
  21 set(LLVM_ENABLE_PLUGINS OFF CACHE BOOL "")
  22 set(LLVM_ENABLE_UNWIND_TABLES OFF CACHE BOOL "")
  23 set(LLVM_ENABLE_Z3_SOLVER OFF CACHE BOOL "")
  24 set(LLVM_ENABLE_ZLIB ON CACHE BOOL "")
  25 set(LLVM_FORCE_BUILD_RUNTIME ON CACHE BOOL "")
  26 set(LLVM_INCLUDE_DOCS OFF CACHE BOOL "")
  27 set(LLVM_INCLUDE_EXAMPLES OFF CACHE BOOL "")
  28 set(LLVM_STATIC_LINK_CXX_STDLIB ON CACHE BOOL "")
  29 set(LLVM_USE_RELATIVE_PATHS_IN_FILES ON CACHE BOOL "")
  30 set(LLDB_ENABLE_CURSES OFF CACHE BOOL "")
  31 set(LLDB_ENABLE_LIBEDIT OFF CACHE BOOL "")
  32
  33 if(WIN32)
  34   set(FUCHSIA_DISABLE_DRIVER_BUILD ON)
  35 endif()
  36
  37 if (NOT FUCHSIA_DISABLE_DRIVER_BUILD)
  38   set(LLVM_TOOL_LLVM_DRIVER_BUILD ON CACHE BOOL "")
  39   set(LLVM_DRIVER_TARGET llvm-driver)
  40 endif()
  41
  42 set(CLANG_DEFAULT_CXX_STDLIB libc++ CACHE STRING "")
  43 set(CLANG_DEFAULT_LINKER lld CACHE STRING "")
  44 set(CLANG_DEFAULT_OBJCOPY llvm-objcopy CACHE STRING "")
  45 set(CLANG_DEFAULT_RTLIB compiler-rt CACHE STRING "")
  46 set(CLANG_DEFAULT_UNWINDLIB libunwind CACHE STRING "")
  47 set(CLANG_ENABLE_STATIC_ANALYZER ON CACHE BOOL "")
  48 set(CLANG_PLUGIN_SUPPORT OFF CACHE BOOL "")
  49
  50 set(ENABLE_LINKER_BUILD_ID ON CACHE BOOL "")
  51 set(ENABLE_X86_RELAX_RELOCATIONS ON CACHE BOOL "")
  52
  53 # TODO(#67176): relative-vtables doesn't play well with different default
  54 # visibilities. Making everything hidden visibility causes other complications
  55 # let's choose default visibility for our entire toolchain.
  56 set(CMAKE_C_VISIBILITY_PRESET default CACHE STRING "")
  57 set(CMAKE_CXX_VISIBILITY_PRESET default CACHE STRING "")
  58
  59 set(CMAKE_BUILD_TYPE Release CACHE STRING "")
  60 if (APPLE)
  61   set(CMAKE_OSX_DEPLOYMENT_TARGET "10.13" CACHE STRING "")
  62 elseif(WIN32)
  63   set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded" CACHE STRING "")
  64 endif()
  65
  66 if(APPLE)
  67   list(APPEND BUILTIN_TARGETS "default")
  68   list(APPEND RUNTIME_TARGETS "default")
  69
  70   set(COMPILER_RT_ENABLE_TVOS OFF CACHE BOOL "")
  71   set(COMPILER_RT_ENABLE_WATCHOS OFF CACHE BOOL "")
  72   set(COMPILER_RT_USE_BUILTINS_LIBRARY ON CACHE BOOL "")
  73
  74   set(LIBUNWIND_ENABLE_SHARED OFF CACHE BOOL "")
  75   set(LIBUNWIND_USE_COMPILER_RT ON CACHE BOOL "")
  76   set(LIBCXXABI_ENABLE_SHARED OFF CACHE BOOL "")
  77   set(LIBCXXABI_ENABLE_STATIC_UNWINDER ON CACHE BOOL "")
  78   set(LIBCXXABI_INSTALL_LIBRARY OFF CACHE BOOL "")
  79   set(LIBCXXABI_USE_COMPILER_RT ON CACHE BOOL "")
  80   set(LIBCXXABI_USE_LLVM_UNWINDER ON CACHE BOOL "")
  81   set(LIBCXX_ABI_VERSION 2 CACHE STRING "")
  82   set(LIBCXX_ENABLE_SHARED OFF CACHE BOOL "")
  83   set(LIBCXX_ENABLE_STATIC_ABI_LIBRARY ON CACHE BOOL "")
  84   set(LIBCXX_HARDENING_MODE "none" CACHE STRING "")
  85   set(LIBCXX_USE_COMPILER_RT ON CACHE BOOL "")
  86   set(RUNTIMES_CMAKE_ARGS "-DCMAKE_OSX_DEPLOYMENT_TARGET=10.13;-DCMAKE_OSX_ARCHITECTURES=arm64|x86_64" CACHE STRING "")
  87 endif()
  88
  89 if(WIN32 OR LLVM_WINSYSROOT)
  90   if((NOT WIN32) AND (NOT LLVM_VFSOVERLAY))
  91     message(FATAL_ERROR "LLVM_VFSOVERLAY should be defined.")
  92   endif()
  93   set(target "x86_64-pc-windows-msvc")
  94
  95   if (LLVM_WINSYSROOT)
  96     set(WINDOWS_COMPILER_FLAGS
  97       -Xclang
  98       -ivfsoverlay
  99       -Xclang
 100       ${LLVM_VFSOVERLAY}
 101       # TODO: /winsysroot should be set by HandleLLVMOptions.cmake automatically
 102       # but it current has a bug that prevents it from working under cross
 103       # compilation. Set this flag manually for now.
 104       /winsysroot
 105       ${LLVM_WINSYSROOT})
 106     string(REPLACE ";" " " WINDOWS_COMPILER_FLAGS "${WINDOWS_COMPILER_FLAGS}")
 107     set(WINDOWS_LINK_FLAGS
 108       # TODO: lld-link has a bug that it cannot infer the machine type
 109       # correctly when /winsysroot is set while Windows libraries search paths
 110       # are not explicitly defined.
 111       # Explicitly set the machine type for now.
 112       /machine:X64
 113       /vfsoverlay:${LLVM_VFSOVERLAY}
 114       /winsysroot:${LLVM_WINSYSROOT})
 115     string(REPLACE ";" " " WINDOWS_LINK_FLAGS "${WINDOWS_LINK_FLAGS}")
 116   endif()
 117
 118   list(APPEND BUILTIN_TARGETS "${target}")
 119   set(BUILTINS_${target}_CMAKE_SYSTEM_NAME Windows CACHE STRING "")
 120   set(BUILTINS_${target}_CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "")
 121   set(BUILTINS_${target}_CMAKE_C_FLAGS ${WINDOWS_COMPILER_FLAGS} CACHE STRING "")
 122   set(BUILTINS_${target}_CMAKE_CXX_FLAGS ${WINDOWS_COMPILER_FLAGS} CACHE STRING "")
 123   set(BUILTINS_${target}_CMAKE_EXE_LINKER_FLAGS ${WINDOWS_LINK_FLAGS} CACHE STRING "")
 124   set(BUILTINS_${target}_CMAKE_SHARED_LINKER_FLAGS ${WINDOWS_LINK_FLAGS} CACHE STRING "")
 125   set(BUILTINS_${target}_CMAKE_MODULE_LINKER_FLAGS ${WINDOWS_LINK_FLAGS} CACHE STRING "")
 126
 127   list(APPEND RUNTIME_TARGETS "${target}")
 128   set(RUNTIMES_${target}_CMAKE_SYSTEM_NAME Windows CACHE STRING "")
 129   set(RUNTIMES_${target}_CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "")
 130   set(RUNTIMES_${target}_LIBCXX_ABI_VERSION 2 CACHE STRING "")
 131   set(RUNTIMES_${target}_LIBCXX_ENABLE_ABI_LINKER_SCRIPT OFF CACHE BOOL "")
 132   set(RUNTIMES_${target}_LIBCXX_ENABLE_SHARED OFF CACHE BOOL "")
 133   set(RUNTIMES_${target}_LLVM_ENABLE_RUNTIMES "compiler-rt;libcxx" CACHE STRING "")
 134   set(RUNTIMES_${target}_CMAKE_C_FLAGS ${WINDOWS_COMPILER_FLAGS} CACHE STRING "")
 135   set(RUNTIMES_${target}_CMAKE_CXX_FLAGS ${WINDOWS_COMPILER_FLAGS} CACHE STRING "")
 136   set(RUNTIMES_${target}_CMAKE_EXE_LINKER_FLAGS ${WINDOWS_LINK_FLAGS} CACHE STRING "")
 137   set(RUNTIMES_${target}_CMAKE_SHARED_LINKER_FLAGS ${WINDOWS_LINK_FLAGS} CACHE STRING "")
 138   set(RUNTIMES_${target}_CMAKE_MODULE_LINKER_FLAGS ${WINDOWS_LINK_FLAGS} CACHE STRING "")
 139 endif()
 140
 141 foreach(target aarch64-unknown-linux-gnu;armv7-unknown-linux-gnueabihf;i386-unknown-linux-gnu;riscv64-unknown-linux-gnu;x86_64-unknown-linux-gnu)
 142   if(LINUX_${target}_SYSROOT)
 143     # Set the per-target builtins options.
 144     list(APPEND BUILTIN_TARGETS "${target}")
 145     set(BUILTINS_${target}_CMAKE_SYSTEM_NAME Linux CACHE STRING "")
 146     set(BUILTINS_${target}_CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "")
 147     set(BUILTINS_${target}_CMAKE_C_FLAGS "--target=${target}" CACHE STRING "")
 148     set(BUILTINS_${target}_CMAKE_CXX_FLAGS "--target=${target}" CACHE STRING "")
 149     set(BUILTINS_${target}_CMAKE_ASM_FLAGS "--target=${target}" CACHE STRING "")
 150     set(BUILTINS_${target}_CMAKE_SYSROOT ${LINUX_${target}_SYSROOT} CACHE STRING "")
 151     set(BUILTINS_${target}_CMAKE_SHARED_LINKER_FLAGS "-fuse-ld=lld" CACHE STRING "")
 152     set(BUILTINS_${target}_CMAKE_MODULE_LINKER_FLAGS "-fuse-ld=lld" CACHE STRING "")
 153     set(BUILTINS_${target}_CMAKE_EXE_LINKER_FLAG "-fuse-ld=lld" CACHE STRING "")
 154     set(BUILTINS_${target}_COMPILER_RT_BUILD_STANDALONE_LIBATOMIC ON CACHE BOOL "")
 155     set(BUILTINS_${target}_COMPILER_RT_LIBATOMIC_USE_PTHREAD ON CACHE BOOL "")
 156
 157     # Set the per-target runtimes options.
 158     list(APPEND RUNTIME_TARGETS "${target}")
 159     set(RUNTIMES_${target}_CMAKE_SYSTEM_NAME Linux CACHE STRING "")
 160     set(RUNTIMES_${target}_CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "")
 161     set(RUNTIMES_${target}_CMAKE_C_FLAGS "--target=${target}" CACHE STRING "")
 162     set(RUNTIMES_${target}_CMAKE_CXX_FLAGS "--target=${target}" CACHE STRING "")
 163     set(RUNTIMES_${target}_CMAKE_ASM_FLAGS "--target=${target}" CACHE STRING "")
 164     set(RUNTIMES_${target}_CMAKE_SYSROOT ${LINUX_${target}_SYSROOT} CACHE STRING "")
 165     set(RUNTIMES_${target}_CMAKE_SHARED_LINKER_FLAGS "-fuse-ld=lld" CACHE STRING "")
 166     set(RUNTIMES_${target}_CMAKE_MODULE_LINKER_FLAGS "-fuse-ld=lld" CACHE STRING "")
 167     set(RUNTIMES_${target}_CMAKE_EXE_LINKER_FLAGS "-fuse-ld=lld" CACHE STRING "")
 168     set(RUNTIMES_${target}_COMPILER_RT_CXX_LIBRARY "libcxx" CACHE STRING "")
 169     set(RUNTIMES_${target}_COMPILER_RT_USE_BUILTINS_LIBRARY ON CACHE BOOL "")
 170     set(RUNTIMES_${target}_COMPILER_RT_USE_ATOMIC_LIBRARY ON CACHE BOOL "")
 171     set(RUNTIMES_${target}_COMPILER_RT_USE_LLVM_UNWINDER ON CACHE BOOL "")
 172     set(RUNTIMES_${target}_COMPILER_RT_CAN_EXECUTE_TESTS ON CACHE BOOL "")
 173     set(RUNTIMES_${target}_COMPILER_RT_BUILD_STANDALONE_LIBATOMIC ON CACHE BOOL "")
 174     set(RUNTIMES_${target}_LIBUNWIND_ENABLE_SHARED OFF CACHE BOOL "")
 175     set(RUNTIMES_${target}_LIBUNWIND_USE_COMPILER_RT ON CACHE BOOL "")
 176     set(RUNTIMES_${target}_LIBCXXABI_USE_COMPILER_RT ON CACHE BOOL "")
 177     set(RUNTIMES_${target}_LIBCXXABI_ENABLE_SHARED OFF CACHE BOOL "")
 178     set(RUNTIMES_${target}_LIBCXXABI_USE_LLVM_UNWINDER ON CACHE BOOL "")
 179     set(RUNTIMES_${target}_LIBCXXABI_INSTALL_LIBRARY OFF CACHE BOOL "")
 180     set(RUNTIMES_${target}_LIBCXX_USE_COMPILER_RT ON CACHE BOOL "")
 181     set(RUNTIMES_${target}_LIBCXX_ENABLE_SHARED OFF CACHE BOOL "")
 182     set(RUNTIMES_${target}_LIBCXX_ENABLE_STATIC_ABI_LIBRARY ON CACHE BOOL "")
 183     set(RUNTIMES_${target}_LIBCXX_ABI_VERSION 2 CACHE STRING "")
 184     set(RUNTIMES_${target}_LLVM_ENABLE_ASSERTIONS OFF CACHE BOOL "")
 185     set(RUNTIMES_${target}_SANITIZER_CXX_ABI "libc++" CACHE STRING "")
 186     set(RUNTIMES_${target}_SANITIZER_CXX_ABI_INTREE ON CACHE BOOL "")
 187     set(RUNTIMES_${target}_SANITIZER_TEST_CXX "libc++" CACHE STRING "")
 188     set(RUNTIMES_${target}_SANITIZER_TEST_CXX_INTREE ON CACHE BOOL "")
 189     set(RUNTIMES_${target}_LLVM_TOOLS_DIR "${CMAKE_BINARY_DIR}/bin" CACHE BOOL "")
 190     set(RUNTIMES_${target}_LLVM_ENABLE_RUNTIMES "compiler-rt;libcxx;libcxxabi;libunwind" CACHE STRING "")
 191
 192     # Enable FatLTO for Linux and baremetal runtimes
 193     set(RUNTIMES_${target}_LLVM_ENABLE_LTO ON CACHE BOOL "")
 194     set(RUNTIMES_${target}_LLVM_ENABLE_FATLTO ON CACHE BOOL "")
 195
 196     # Use .build-id link.
 197     list(APPEND RUNTIME_BUILD_ID_LINK "${target}")
 198   endif()
 199 endforeach()
 200
 201 if(FUCHSIA_SDK)
 202   set(FUCHSIA_aarch64-unknown-fuchsia_NAME arm64)
 203   set(FUCHSIA_i386-unknown-fuchsia_NAME x64)
 204   set(FUCHSIA_x86_64-unknown-fuchsia_NAME x64)
 205   set(FUCHSIA_riscv64-unknown-fuchsia_NAME riscv64)
 206   foreach(target i386-unknown-fuchsia;x86_64-unknown-fuchsia;aarch64-unknown-fuchsia;riscv64-unknown-fuchsia)
 207     set(FUCHSIA_${target}_COMPILER_FLAGS "--target=${target} -I${FUCHSIA_SDK}/pkg/sync/include -I${FUCHSIA_SDK}/pkg/fdio/include")
 208     set(FUCHSIA_${target}_LINKER_FLAGS "-L${FUCHSIA_SDK}/arch/${FUCHSIA_${target}_NAME}/lib")
 209     set(FUCHSIA_${target}_SYSROOT "${FUCHSIA_SDK}/arch/${FUCHSIA_${target}_NAME}/sysroot")
 210   endforeach()
 211
 212   foreach(target i386-unknown-fuchsia;x86_64-unknown-fuchsia;aarch64-unknown-fuchsia;riscv64-unknown-fuchsia)
 213     # Set the per-target builtins options.
 214     list(APPEND BUILTIN_TARGETS "${target}")
 215     set(BUILTINS_${target}_CMAKE_SYSTEM_NAME Fuchsia CACHE STRING "")
 216     set(BUILTINS_${target}_CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "")
 217     set(BUILTINS_${target}_CMAKE_ASM_FLAGS ${FUCHSIA_${target}_COMPILER_FLAGS} CACHE STRING "")
 218     set(BUILTINS_${target}_CMAKE_C_FLAGS ${FUCHSIA_${target}_COMPILER_FLAGS} CACHE STRING "")
 219     set(BUILTINS_${target}_CMAKE_CXX_FLAGS ${FUCHSIA_${target}_COMPILER_FLAGS} CACHE STRING "")
 220     set(BUILTINS_${target}_CMAKE_SHARED_LINKER_FLAGS ${FUCHSIA_${target}_LINKER_FLAGS} CACHE STRING "")
 221     set(BUILTINS_${target}_CMAKE_MODULE_LINKER_FLAGS ${FUCHSIA_${target}_LINKER_FLAGS} CACHE STRING "")
 222     set(BUILTINS_${target}_CMAKE_EXE_LINKER_FLAGS ${FUCHSIA_${target}_LINKER_FLAGS} CACHE STRING "")
 223     set(BUILTINS_${target}_CMAKE_SYSROOT ${FUCHSIA_${target}_SYSROOT} CACHE PATH "")
 224   endforeach()
 225
 226   foreach(target x86_64-unknown-fuchsia;aarch64-unknown-fuchsia;riscv64-unknown-fuchsia)
 227     # Set the per-target runtimes options.
 228     list(APPEND RUNTIME_TARGETS "${target}")
 229     set(RUNTIMES_${target}_CMAKE_SYSTEM_NAME Fuchsia CACHE STRING "")
 230     set(RUNTIMES_${target}_CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "")
 231     set(RUNTIMES_${target}_CMAKE_BUILD_WITH_INSTALL_RPATH ON CACHE BOOL "")
 232     set(RUNTIMES_${target}_CMAKE_ASM_FLAGS ${FUCHSIA_${target}_COMPILER_FLAGS} CACHE STRING "")
 233     set(RUNTIMES_${target}_CMAKE_C_FLAGS ${FUCHSIA_${target}_COMPILER_FLAGS} CACHE STRING "")
 234     set(RUNTIMES_${target}_CMAKE_CXX_FLAGS ${FUCHSIA_${target}_COMPILER_FLAGS} CACHE STRING "")
 235     set(RUNTIMES_${target}_CMAKE_SHARED_LINKER_FLAGS ${FUCHSIA_${target}_LINKER_FLAGS} CACHE STRING "")
 236     set(RUNTIMES_${target}_CMAKE_MODULE_LINKER_FLAGS ${FUCHSIA_${target}_LINKER_FLAGS} CACHE STRING "")
 237     set(RUNTIMES_${target}_CMAKE_EXE_LINKER_FLAGS ${FUCHSIA_${target}_LINKER_FLAGS} CACHE STRING "")
 238     set(RUNTIMES_${target}_CMAKE_SYSROOT ${FUCHSIA_${target}_SYSROOT} CACHE PATH "")
 239     set(RUNTIMES_${target}_COMPILER_RT_CXX_LIBRARY "libcxx" CACHE STRING "")
 240     set(RUNTIMES_${target}_COMPILER_RT_USE_BUILTINS_LIBRARY ON CACHE BOOL "")
 241     set(RUNTIMES_${target}_COMPILER_RT_USE_LLVM_UNWINDER ON CACHE BOOL "")
 242     set(RUNTIMES_${target}_LIBUNWIND_USE_COMPILER_RT ON CACHE BOOL "")
 243     set(RUNTIMES_${target}_LIBUNWIND_HIDE_SYMBOLS ON CACHE BOOL "")
 244     set(RUNTIMES_${target}_LIBCXXABI_USE_COMPILER_RT ON CACHE BOOL "")
 245     set(RUNTIMES_${target}_LIBCXXABI_USE_LLVM_UNWINDER ON CACHE BOOL "")
 246     set(RUNTIMES_${target}_LIBCXXABI_HERMETIC_STATIC_LIBRARY ON CACHE BOOL "")
 247     set(RUNTIMES_${target}_LIBCXXABI_INSTALL_STATIC_LIBRARY OFF CACHE BOOL "")
 248     set(RUNTIMES_${target}_LIBCXX_USE_COMPILER_RT ON CACHE BOOL "")
 249     set(RUNTIMES_${target}_LIBCXX_ENABLE_STATIC_ABI_LIBRARY ON CACHE BOOL "")
 250     set(RUNTIMES_${target}_LIBCXX_HERMETIC_STATIC_LIBRARY ON CACHE BOOL "")
 251     set(RUNTIMES_${target}_LIBCXX_STATICALLY_LINK_ABI_IN_SHARED_LIBRARY OFF CACHE BOOL "")
 252     set(RUNTIMES_${target}_LIBCXX_ABI_VERSION 2 CACHE STRING "")
 253     set(RUNTIMES_${target}_LLVM_ENABLE_ASSERTIONS OFF CACHE BOOL "")
 254     set(RUNTIMES_${target}_LLVM_ENABLE_RUNTIMES "compiler-rt;libcxx;libcxxabi;libunwind" CACHE STRING "")
 255
 256     # Compat multilibs.
 257     set(RUNTIMES_${target}+compat_LLVM_BUILD_COMPILER_RT OFF CACHE BOOL "")
 258     set(RUNTIMES_${target}+compat_LIBCXXABI_ENABLE_EXCEPTIONS OFF CACHE BOOL "")
 259     set(RUNTIMES_${target}+compat_LIBCXX_ENABLE_EXCEPTIONS OFF CACHE BOOL "")
 260     set(RUNTIMES_${target}+compat_CMAKE_CXX_FLAGS "${FUCHSIA_${target}_COMPILER_FLAGS} -fc++-abi=itanium" CACHE STRING "")
 261
 262     set(RUNTIMES_${target}+asan_LLVM_BUILD_COMPILER_RT OFF CACHE BOOL "")
 263     set(RUNTIMES_${target}+asan_LLVM_USE_SANITIZER "Address" CACHE STRING "")
 264     set(RUNTIMES_${target}+asan_LIBCXXABI_ENABLE_NEW_DELETE_DEFINITIONS OFF CACHE BOOL "")
 265     set(RUNTIMES_${target}+asan_LIBCXX_ENABLE_NEW_DELETE_DEFINITIONS OFF CACHE BOOL "")
 266
 267     set(RUNTIMES_${target}+noexcept_LLVM_BUILD_COMPILER_RT OFF CACHE BOOL "")
 268     set(RUNTIMES_${target}+noexcept_LIBCXXABI_ENABLE_EXCEPTIONS OFF CACHE BOOL "")
 269     set(RUNTIMES_${target}+noexcept_LIBCXX_ENABLE_EXCEPTIONS OFF CACHE BOOL "")
 270
 271     set(RUNTIMES_${target}+asan+noexcept_LLVM_BUILD_COMPILER_RT OFF CACHE BOOL "")
 272     set(RUNTIMES_${target}+asan+noexcept_LLVM_USE_SANITIZER "Address" CACHE STRING "")
 273     set(RUNTIMES_${target}+asan+noexcept_LIBCXXABI_ENABLE_NEW_DELETE_DEFINITIONS OFF CACHE BOOL "")
 274     set(RUNTIMES_${target}+asan+noexcept_LIBCXX_ENABLE_NEW_DELETE_DEFINITIONS OFF CACHE BOOL "")
 275     set(RUNTIMES_${target}+asan+noexcept_LIBCXXABI_ENABLE_EXCEPTIONS OFF CACHE BOOL "")
 276     set(RUNTIMES_${target}+asan+noexcept_LIBCXX_ENABLE_EXCEPTIONS OFF CACHE BOOL "")
 277
 278     # Enable FatLTO for Fuchsia runtimes
 279     set(RUNTIMES_${target}_LLVM_ENABLE_LTO ON CACHE BOOL "")
 280     set(RUNTIMES_${target}_LLVM_ENABLE_FATLTO ON CACHE BOOL "")
 281
 282     # Use .build-id link.
 283     list(APPEND RUNTIME_BUILD_ID_LINK "${target}")
 284   endforeach()
 285
 286   # HWAsan
 287   set(RUNTIMES_aarch64-unknown-fuchsia+hwasan_LLVM_BUILD_COMPILER_RT OFF CACHE BOOL "")
 288   set(RUNTIMES_aarch64-unknown-fuchsia+hwasan_LLVM_USE_SANITIZER "HWAddress" CACHE STRING "")
 289   set(RUNTIMES_aarch64-unknown-fuchsia+hwasan_LIBCXXABI_ENABLE_NEW_DELETE_DEFINITIONS OFF CACHE BOOL "")
 290   set(RUNTIMES_aarch64-unknown-fuchsia+hwasan_LIBCXX_ENABLE_NEW_DELETE_DEFINITIONS OFF CACHE BOOL "")
 291
 292   # HWASan+noexcept
 293   set(RUNTIMES_aarch64-unknown-fuchsia+hwasan+noexcept_LLVM_BUILD_COMPILER_RT OFF CACHE BOOL "")
 294   set(RUNTIMES_aarch64-unknown-fuchsia+hwasan+noexcept_LLVM_USE_SANITIZER "HWAddress" CACHE STRING "")
 295   set(RUNTIMES_aarch64-unknown-fuchsia+hwasan+noexcept_LIBCXXABI_ENABLE_NEW_DELETE_DEFINITIONS OFF CACHE BOOL "")
 296   set(RUNTIMES_aarch64-unknown-fuchsia+hwasan+noexcept_LIBCXX_ENABLE_NEW_DELETE_DEFINITIONS OFF CACHE BOOL "")
 297   set(RUNTIMES_aarch64-unknown-fuchsia+hwasan+noexcept_LIBCXXABI_ENABLE_EXCEPTIONS OFF CACHE BOOL "")
 298   set(RUNTIMES_aarch64-unknown-fuchsia+hwasan+noexcept_LIBCXX_ENABLE_EXCEPTIONS OFF CACHE BOOL "")
 299
 300   set(LLVM_RUNTIME_MULTILIBS "asan;noexcept;compat;asan+noexcept;hwasan;hwasan+noexcept" CACHE STRING "")
 301
 302   set(LLVM_RUNTIME_MULTILIB_asan_TARGETS "x86_64-unknown-fuchsia;aarch64-unknown-fuchsia;riscv64-unknown-fuchsia" CACHE STRING "")
 303   set(LLVM_RUNTIME_MULTILIB_noexcept_TARGETS "x86_64-unknown-fuchsia;aarch64-unknown-fuchsia;riscv64-unknown-fuchsia" CACHE STRING "")
 304   set(LLVM_RUNTIME_MULTILIB_compat_TARGETS "x86_64-unknown-fuchsia;aarch64-unknown-fuchsia;riscv64-unknown-fuchsia" CACHE STRING "")
 305   set(LLVM_RUNTIME_MULTILIB_asan+noexcept_TARGETS "x86_64-unknown-fuchsia;aarch64-unknown-fuchsia;riscv64-unknown-fuchsia" CACHE STRING "")
 306   set(LLVM_RUNTIME_MULTILIB_hwasan_TARGETS "aarch64-unknown-fuchsia;riscv64-unknown-fuchsia" CACHE STRING "")
 307   set(LLVM_RUNTIME_MULTILIB_hwasan+noexcept_TARGETS "aarch64-unknown-fuchsia;riscv64-unknown-fuchsia" CACHE STRING "")
 308 endif()
 309
 310 foreach(target armv6m-none-eabi;armv7m-none-eabi;armv7em-none-eabi;armv8m.main-none-eabi;armv8.1m.main-none-eabi;aarch64-none-elf)
 311   list(APPEND BUILTIN_TARGETS "${target}")
 312   set(BUILTINS_${target}_CMAKE_SYSTEM_NAME Generic CACHE STRING "")
 313   set(BUILTINS_${target}_CMAKE_SYSTEM_PROCESSOR arm CACHE STRING "")
 314   set(BUILTINS_${target}_CMAKE_SYSROOT "" CACHE STRING "")
 315   set(BUILTINS_${target}_CMAKE_BUILD_TYPE MinSizeRel CACHE STRING "")
 316   foreach(lang C;CXX;ASM)
 317     set(BUILTINS_${target}_CMAKE_${lang}_local_flags "--target=${target}")
 318     if(NOT ${target} STREQUAL "aarch64-none-elf")
 319       set(BUILTINS_${target}_CMAKE_${lang}_local_flags "${BUILTINS_${target}_CMAKE_${lang}_local_flags} -mthumb")
 320     endif()
 321     if(${target} STREQUAL "armv8m.main-none-eabi")
 322       set(BUILTINS_${target}_CMAKE_${lang}_local_flags "${BUILTINS_${target}_CMAKE_${lang}_local_flags} -mfloat-abi=softfp -march=armv8m.main+fp+dsp -mcpu=cortex-m33")
 323     endif()
 324     if(${target} STREQUAL "armv8.1m.main-none-eabi")
 325       set(BUILTINS_${target}_CMAKE_${lang}_local_flags "${BUILTINS_${target}_CMAKE_${lang}_local_flags} -mfloat-abi=hard -march=armv8.1-m.main+mve.fp+fp.dp -mcpu=cortex-m55")
 326     endif()
 327     set(BUILTINS_${target}_CMAKE_${lang}_FLAGS "${BUILTINS_${target}_CMAKE_${lang}_local_flags}" CACHE STRING "")
 328   endforeach()
 329   foreach(type SHARED;MODULE;EXE)
 330     set(BUILTINS_${target}_CMAKE_${type}_LINKER_FLAGS "-fuse-ld=lld" CACHE STRING "")
 331   endforeach()
 332   set(BUILTINS_${target}_COMPILER_RT_BAREMETAL_BUILD ON CACHE BOOL "")
 333
 334   list(APPEND RUNTIME_TARGETS "${target}")
 335   set(RUNTIMES_${target}_CMAKE_SYSTEM_NAME Generic CACHE STRING "")
 336   set(RUNTIMES_${target}_CMAKE_SYSTEM_PROCESSOR arm CACHE STRING "")
 337   set(RUNTIMES_${target}_CMAKE_SYSROOT "" CACHE STRING "")
 338   set(RUNTIMES_${target}_CMAKE_BUILD_TYPE MinSizeRel CACHE STRING "")
 339   set(RUNTIMES_${target}_CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY CACHE STRING "")
 340   foreach(lang C;CXX;ASM)
 341     # TODO: The preprocessor defines workaround various issues in libc and libc++ integration.
 342     # These should be addressed and removed over time.
 343     set(RUNTIMES_${target}_CMAKE_${lang}_local_flags "--target=${target} -Wno-atomic-alignment \"-Dvfprintf(stream, format, vlist)=vprintf(format, vlist)\" \"-Dfprintf(stream, format, ...)=printf(format)\" -D_LIBCPP_PRINT=1")
 344     if(NOT ${target} STREQUAL "aarch64-none-elf")
 345       set(RUNTIMES_${target}_CMAKE_${lang}_local_flags "${RUNTIMES_${target}_CMAKE_${lang}_local_flags} -mthumb")
 346     endif()
 347     if(${target} STREQUAL "armv8m.main-none-eabi")
 348       set(RUNTIMES_${target}_CMAKE_${lang}_local_flags "${RUNTIMES_${target}_CMAKE_${lang}_local_flags} -mfloat-abi=softfp -march=armv8m.main+fp+dsp -mcpu=cortex-m33")
 349     endif()
 350     if(${target} STREQUAL "armv8.1m.main-none-eabi")
 351       set(RUNTIMES_${target}_CMAKE_${lang}_local_flags "${RUNTIMES_${target}_CMAKE_${lang}_local_flags} -mfloat-abi=hard -march=armv8.1-m.main+mve.fp+fp.dp -mcpu=cortex-m55")
 352     endif()
 353     set(RUNTIMES_${target}_CMAKE_${lang}_FLAGS "${RUNTIMES_${target}_CMAKE_${lang}_local_flags}" CACHE STRING "")
 354   endforeach()
 355   foreach(type SHARED;MODULE;EXE)
 356     set(RUNTIMES_${target}_CMAKE_${type}_LINKER_FLAGS "-fuse-ld=lld" CACHE STRING "")
 357   endforeach()
 358   set(RUNTIMES_${target}_LLVM_LIBC_FULL_BUILD ON CACHE BOOL "")
 359   set(RUNTIMES_${target}_LIBC_ENABLE_USE_BY_CLANG ON CACHE BOOL "")
 360   set(RUNTIMES_${target}_LIBCXX_ABI_VERSION 2 CACHE STRING "")
 361   set(RUNTIMES_${target}_LIBCXX_CXX_ABI none CACHE STRING "")
 362   set(RUNTIMES_${target}_LIBCXX_ENABLE_SHARED OFF CACHE BOOL "")
 363   set(RUNTIMES_${target}_LIBCXX_ENABLE_STATIC ON CACHE BOOL "")
 364   set(RUNTIMES_${target}_LIBCXX_SHARED_OUTPUT_NAME "c++-shared" CACHE STRING "")
 365   set(RUNTIMES_${target}_LIBCXX_LIBC "llvm-libc" CACHE STRING "")
 366   set(RUNTIMES_${target}_LIBCXX_ENABLE_FILESYSTEM OFF CACHE BOOL "")
 367   set(RUNTIMES_${target}_LIBCXX_ENABLE_RANDOM_DEVICE OFF CACHE BOOL "")
 368   set(RUNTIMES_${target}_LIBCXX_ENABLE_LOCALIZATION OFF CACHE BOOL "")
 369   set(RUNTIMES_${target}_LIBCXX_ENABLE_UNICODE OFF CACHE BOOL "")
 370   set(RUNTIMES_${target}_LIBCXX_ENABLE_WIDE_CHARACTERS OFF CACHE BOOL "")
 371   set(RUNTIMES_${target}_LIBCXX_ENABLE_EXCEPTIONS OFF CACHE BOOL "")
 372   set(RUNTIMES_${target}_LIBCXX_ENABLE_RTTI OFF CACHE BOOL "")
 373   set(RUNTIMES_${target}_LIBCXX_ENABLE_THREADS OFF CACHE BOOL "")
 374   set(RUNTIMES_${target}_LIBCXX_ENABLE_MONOTONIC_CLOCK OFF CACHE BOOL "")
 375   set(RUNTIMES_${target}_LIBCXX_USE_COMPILER_RT ON CACHE BOOL "")
 376   set(RUNTIMES_${target}_LLVM_INCLUDE_TESTS OFF CACHE BOOL "")
 377   set(RUNTIMES_${target}_LLVM_ENABLE_ASSERTIONS OFF CACHE BOOL "")
 378   set(RUNTIMES_${target}_LLVM_ENABLE_RUNTIMES "libc;libcxx" CACHE STRING "")
 379
 380   # Enable FatLTO for baremetal runtimes
 381   set(RUNTIMES_${target}_LLVM_ENABLE_LTO ON CACHE BOOL "")
 382   set(RUNTIMES_${target}_LLVM_ENABLE_FATLTO ON CACHE BOOL "")
 383 endforeach()
 384
 385 foreach(target riscv32-unknown-elf)
 386   list(APPEND BUILTIN_TARGETS "${target}")
 387   set(BUILTINS_${target}_CMAKE_SYSTEM_NAME Generic CACHE STRING "")
 388   set(BUILTINS_${target}_CMAKE_SYSTEM_PROCESSOR RISCV CACHE STRING "")
 389   set(BUILTINS_${target}_CMAKE_SYSROOT "" CACHE STRING "")
 390   set(BUILTINS_${target}_CMAKE_BUILD_TYPE MinSizeRel CACHE STRING "")
 391   foreach(lang C;CXX;ASM)
 392     set(BUILTINS_${target}_CMAKE_${lang}_FLAGS "--target=${target} -march=rv32imafc -mabi=ilp32f" CACHE STRING "")
 393   endforeach()
 394   foreach(type SHARED;MODULE;EXE)
 395     set(BUILTINS_${target}_CMAKE_${type}_LINKER_FLAGS "-fuse-ld=lld" CACHE STRING "")
 396   endforeach()
 397   set(BUILTINS_${target}_COMPILER_RT_BAREMETAL_BUILD ON CACHE BOOL "")
 398
 399   list(APPEND RUNTIME_TARGETS "${target}")
 400   set(RUNTIMES_${target}_CMAKE_SYSTEM_NAME Generic CACHE STRING "")
 401   set(RUNTIMES_${target}_CMAKE_SYSTEM_PROCESSOR RISCV CACHE STRING "")
 402   set(RUNTIMES_${target}_CMAKE_SYSROOT "" CACHE STRING "")
 403   set(RUNTIMES_${target}_CMAKE_BUILD_TYPE MinSizeRel CACHE STRING "")
 404   set(RUNTIMES_${target}_CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY CACHE STRING "")
 405   foreach(lang C;CXX;ASM)
 406     # TODO: The preprocessor defines workaround various issues in libc and libc++ integration.
 407     # These should be addressed and removed over time.
 408     set(RUNTIMES_${target}_CMAKE_${lang}_FLAGS "--target=${target} -march=rv32imafc -mabi=ilp32f -Wno-atomic-alignment \"-Dvfprintf(stream, format, vlist)=vprintf(format, vlist)\" \"-Dfprintf(stream, format, ...)=printf(format)\" -D_LIBCPP_PRINT=1" CACHE STRING "")
 409   endforeach()
 410   foreach(type SHARED;MODULE;EXE)
 411     set(RUNTIMES_${target}_CMAKE_${type}_LINKER_FLAGS "-fuse-ld=lld" CACHE STRING "")
 412   endforeach()
 413   set(RUNTIMES_${target}_LLVM_LIBC_FULL_BUILD ON CACHE BOOL "")
 414   set(RUNTIMES_${target}_LIBC_ENABLE_USE_BY_CLANG ON CACHE BOOL "")
 415   set(RUNTIMES_${target}_LIBCXX_ABI_VERSION 2 CACHE STRING "")
 416   set(RUNTIMES_${target}_LIBCXX_CXX_ABI none CACHE STRING "")
 417   set(RUNTIMES_${target}_LIBCXX_ENABLE_SHARED OFF CACHE BOOL "")
 418   set(RUNTIMES_${target}_LIBCXX_ENABLE_STATIC ON CACHE BOOL "")
 419   set(RUNTIMES_${target}_LIBCXX_SHARED_OUTPUT_NAME "c++-shared" CACHE STRING "")
 420   set(RUNTIMES_${target}_LIBCXX_LIBC "llvm-libc" CACHE STRING "")
 421   set(RUNTIMES_${target}_LIBCXX_ENABLE_FILESYSTEM OFF CACHE BOOL "")
 422   set(RUNTIMES_${target}_LIBCXX_ENABLE_RANDOM_DEVICE OFF CACHE BOOL "")
 423   set(RUNTIMES_${target}_LIBCXX_ENABLE_LOCALIZATION OFF CACHE BOOL "")
 424   set(RUNTIMES_${target}_LIBCXX_ENABLE_UNICODE OFF CACHE BOOL "")
 425   set(RUNTIMES_${target}_LIBCXX_ENABLE_WIDE_CHARACTERS OFF CACHE BOOL "")
 426   set(RUNTIMES_${target}_LIBCXX_ENABLE_EXCEPTIONS OFF CACHE BOOL "")
 427   set(RUNTIMES_${target}_LIBCXX_ENABLE_RTTI OFF CACHE BOOL "")
 428   set(RUNTIMES_${target}_LIBCXX_ENABLE_THREADS OFF CACHE BOOL "")
 429   set(RUNTIMES_${target}_LIBCXX_ENABLE_MONOTONIC_CLOCK OFF CACHE BOOL "")
 430   set(RUNTIMES_${target}_LIBCXX_USE_COMPILER_RT ON CACHE BOOL "")
 431   set(RUNTIMES_${target}_LLVM_INCLUDE_TESTS OFF CACHE BOOL "")
 432   set(RUNTIMES_${target}_LLVM_ENABLE_ASSERTIONS OFF CACHE BOOL "")
 433   set(RUNTIMES_${target}_LLVM_ENABLE_RUNTIMES "libc;libcxx" CACHE STRING "")
 434
 435   # Enable FatLTO for baremetal runtimes
 436   set(RUNTIMES_${target}_LLVM_ENABLE_LTO ON CACHE BOOL "")
 437   set(RUNTIMES_${target}_LLVM_ENABLE_FATLTO ON CACHE BOOL "")
 438 endforeach()
 439
 440 set(LLVM_BUILTIN_TARGETS "${BUILTIN_TARGETS}" CACHE STRING "")
 441 set(LLVM_RUNTIME_TARGETS "${RUNTIME_TARGETS}" CACHE STRING "")
 442
 443 # Setup toolchain.
 444 set(LLVM_INSTALL_TOOLCHAIN_ONLY ON CACHE BOOL "")
 445 set(LLVM_TOOLCHAIN_TOOLS
 446   dsymutil
 447   llvm-ar
 448   llvm-cov
 449   llvm-cxxfilt
 450   llvm-debuginfod
 451   llvm-debuginfod-find
 452   llvm-dlltool
 453   ${LLVM_DRIVER_TARGET}
 454   llvm-dwarfdump
 455   llvm-dwp
 456   llvm-ifs
 457   llvm-gsymutil
 458   llvm-lib
 459   llvm-libtool-darwin
 460   llvm-lipo
 461   llvm-ml
 462   llvm-mt
 463   llvm-nm
 464   llvm-objcopy
 465   llvm-objdump
 466   llvm-otool
 467   llvm-pdbutil
 468   llvm-profdata
 469   llvm-rc
 470   llvm-ranlib
 471   llvm-readelf
 472   llvm-readobj
 473   llvm-size
 474   llvm-strings
 475   llvm-strip
 476   llvm-symbolizer
 477   llvm-undname
 478   llvm-xray
 479   opt-viewer
 480   sancov
 481   scan-build-py
 482   CACHE STRING "")
 483
 484 set(LLVM_Toolchain_DISTRIBUTION_COMPONENTS
 485   bolt
 486   clang
 487   lld
 488   clang-apply-replacements
 489   clang-doc
 490   clang-format
 491   clang-resource-headers
 492   clang-include-fixer
 493   clang-refactor
 494   clang-scan-deps
 495   clang-tidy
 496   clangd
 497   find-all-symbols
 498   builtins
 499   runtimes
 500   ${LLVM_TOOLCHAIN_TOOLS}
 501   CACHE STRING "")
 502
 503 set(_FUCHSIA_DISTRIBUTIONS Toolchain)
 504
 505 if(FUCHSIA_ENABLE_LLDB)
 506   list(APPEND _FUCHSIA_ENABLE_PROJECTS lldb)
 507   list(APPEND _FUCHSIA_DISTRIBUTIONS Debugger)
 508   set(_FUCHSIA_LLDB_COMPONENTS
 509     lldb
 510     liblldb
 511     lldb-server
 512     lldb-argdumper
 513     lldb-dap
 514   )
 515   if(LLDB_ENABLE_PYTHON)
 516     list(APPEND _FUCHSIA_LLDB_COMPONENTS lldb-python-scripts)
 517   endif()
 518   set(LLVM_Debugger_DISTRIBUTION_COMPONENTS ${_FUCHSIA_LLDB_COMPONENTS} CACHE STRING "")
 519 endif()
 520
 521 set(LLVM_DISTRIBUTIONS ${_FUCHSIA_DISTRIBUTIONS} CACHE STRING "")
 522 set(LLVM_ENABLE_PROJECTS ${_FUCHSIA_ENABLE_PROJECTS} CACHE STRING "")