我正在尝试在instruction from llvm之后在Windows 10专业版上构建LLVM / Clang。我也遵循了以前的帖子和其他网站可以找到的所有建议，但仍然有错误。谢谢你的帮助。
我分别用GCC和Visual Studio尝试过。以下是我使用的工具：
这是我得到的：
以下是我在GCC尝试获得的日志：
<！/ P>
-- The C compiler identification is GNU 5.3.0
-- The CXX compiler identification is GNU 5.3.0
-- The ASM compiler identification is GNU
-- Found assembler: C:/MinGW/bin/gcc.exe
-- Check for working C compiler: C:/MinGW/bin/gcc.exe
-- Check for working C compiler: C:/MinGW/bin/gcc.exe -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: C:/MinGW/bin/g++.exe
-- Check for working CXX compiler: C:/MinGW/bin/g++.exe -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Looking for dirent.h
-- Looking for dirent.h - found
-- Looking for dlfcn.h
-- Looking for dlfcn.h - found
-- Looking for errno.h
-- Looking for errno.h - found
-- Looking for execinfo.h
-- Looking for execinfo.h - not found
-- Looking for fcntl.h
-- Looking for fcntl.h - found
-- Looking for inttypes.h
-- Looking for inttypes.h - found
-- Looking for link.h
-- Looking for link.h - not found
-- Looking for malloc.h
-- Looking for malloc.h - found
-- Looking for malloc/malloc.h
-- Looking for malloc/malloc.h - not found
-- Looking for ndir.h
-- Looking for ndir.h - not found
-- Looking for signal.h
-- Looking for signal.h - found
-- Looking for stdint.h
-- Looking for stdint.h - found
-- Looking for sys/dir.h
-- Looking for sys/dir.h - not found
-- Looking for sys/ioctl.h
-- Looking for sys/ioctl.h - not found
-- Looking for sys/mman.h
-- Looking for sys/mman.h - not found
-- Looking for sys/ndir.h
-- Looking for sys/ndir.h - not found
-- Looking for sys/param.h
-- Looking for sys/param.h - found
-- Looking for sys/resource.h
-- Looking for sys/resource.h - not found
-- Looking for sys/stat.h
-- Looking for sys/stat.h - found
-- Looking for sys/time.h
-- Looking for sys/time.h - found
-- Looking for sys/types.h
-- Looking for sys/types.h - found
-- Looking for sys/uio.h
-- Looking for sys/uio.h - not found
-- Looking for termios.h
-- Looking for termios.h - not found
-- Looking for unistd.h
-- Looking for unistd.h - found
-- Looking for valgrind/valgrind.h
-- Looking for valgrind/valgrind.h - not found
-- Looking for zlib.h
-- Looking for zlib.h - not found
-- Looking for fenv.h
-- Looking for fenv.h - found
-- Looking for FE_ALL_EXCEPT
-- Looking for FE_ALL_EXCEPT - found
-- Looking for FE_INEXACT
-- Looking for FE_INEXACT - found
-- Looking for mach/mach.h
-- Looking for mach/mach.h - not found
-- Looking for histedit.h
-- Looking for histedit.h - not found
-- Looking for CrashReporterClient.h
-- Looking for CrashReporterClient.h - not found
-- Looking for xar_open in xar
-- Looking for xar_open in xar - not found
-- Looking for arc4random
-- Looking for arc4random - not found
-- Looking for backtrace
-- Looking for backtrace - not found
-- Looking for _Unwind_Backtrace
-- Looking for _Unwind_Backtrace - found
-- Looking for getpagesize
-- Looking for getpagesize - not found
-- Looking for sysconf
-- Looking for sysconf - not found
-- Looking for getrusage
-- Looking for getrusage - not found
-- Looking for setrlimit
-- Looking for setrlimit - not found
-- Looking for isatty
-- Looking for isatty - found
-- Looking for futimens
-- Looking for futimens - not found
-- Looking for futimes
-- Looking for futimes - not found
-- Looking for posix_fallocate
-- Looking for posix_fallocate - not found
-- Looking for sigaltstack
-- Looking for sigaltstack - not found
-- Looking for lseek64
-- Looking for lseek64 - found
-- Looking for mallctl
-- Looking for mallctl - not found
-- Looking for mallinfo
-- Looking for mallinfo - not found
-- Looking for malloc_zone_statistics
-- Looking for malloc_zone_statistics - not found
-- Looking for mkdtemp
-- Looking for mkdtemp - found
-- Looking for mkstemp
-- Looking for mkstemp - found
-- Looking for mktemp
-- Looking for mktemp - found
-- Looking for getcwd
-- Looking for getcwd - found
-- Looking for gettimeofday
-- Looking for gettimeofday - found
-- Looking for getrlimit
-- Looking for getrlimit - not found
-- Looking for posix_spawn
-- Looking for posix_spawn - not found
-- Looking for pread
-- Looking for pread - not found
-- Looking for realpath
-- Looking for realpath - not found
-- Looking for sbrk
-- Looking for sbrk - not found
-- Looking for strtoll
-- Looking for strtoll - found
-- Looking for strerror
-- Looking for strerror - found
-- Looking for strerror_r
-- Looking for strerror_r - found
-- Looking for strerror_s
-- Looking for strerror_s - found
-- Looking for setenv
-- Looking for setenv - found
-- Looking for _chsize_s
-- Looking for _chsize_s - not found
-- Looking for _alloca
-- Looking for _alloca - found
-- Looking for __alloca
-- Looking for __alloca - not found
-- Looking for __chkstk
-- Looking for __chkstk - found
-- Looking for __chkstk_ms
-- Looking for __chkstk_ms - found
-- Looking for ___chkstk
-- Looking for ___chkstk - not found
-- Looking for ___chkstk_ms
-- Looking for ___chkstk_ms - not found
-- Looking for __ashldi3
-- Looking for __ashldi3 - found
-- Looking for __ashrdi3
-- Looking for __ashrdi3 - found
-- Looking for __divdi3
-- Looking for __divdi3 - found
-- Looking for __fixdfdi
-- Looking for __fixdfdi - found
-- Looking for __fixsfdi
-- Looking for __fixsfdi - found
-- Looking for __floatdidf
-- Looking for __floatdidf - found
-- Looking for __lshrdi3
-- Looking for __lshrdi3 - found
-- Looking for __moddi3
-- Looking for __moddi3 - found
-- Looking for __udivdi3
-- Looking for __udivdi3 - found
-- Looking for __umoddi3
-- Looking for __umoddi3 - found
-- Looking for __main
-- Looking for __main - found
-- Looking for __cmpdi2
-- Looking for __cmpdi2 - found
-- Looking for dlopen
-- Looking for dlopen - found
-- Looking for __GLIBC__
-- Looking for __GLIBC__ - not found
-- Performing Test HAVE_INT64_T
-- Performing Test HAVE_INT64_T - Success
-- Performing Test HAVE_UINT64_T
-- Performing Test HAVE_UINT64_T - Success
-- Performing Test HAVE_U_INT64_T
-- Performing Test HAVE_U_INT64_T - Failed
-- Performing Test HAVE_CXX_ATOMICS_WITHOUT_LIB
-- Performing Test HAVE_CXX_ATOMICS_WITHOUT_LIB - Success
-- Performing Test HAVE_CXX_ATOMICS64_WITHOUT_LIB
-- Performing Test HAVE_CXX_ATOMICS64_WITHOUT_LIB - Success
-- Performing Test LLVM_HAS_ATOMICS
-- Performing Test LLVM_HAS_ATOMICS - Success
-- Performing Test SUPPORTS_VARIADIC_MACROS_FLAG
-- Performing Test SUPPORTS_VARIADIC_MACROS_FLAG - Success
-- Performing Test SUPPORTS_GNU_ZERO_VARIADIC_MACRO_ARGUMENTS_FLAG
-- Performing Test SUPPORTS_GNU_ZERO_VARIADIC_MACRO_ARGUMENTS_FLAG - Failed
-- Performing Test HAS_MAYBE_UNINITIALIZED
-- Performing Test HAS_MAYBE_UNINITIALIZED - Success
-- Native target architecture is X86
-- Threads enabled.
-- Doxygen disabled.
-- Sphinx disabled.
-- Go bindings disabled.
-- Could NOT find OCaml (missing: OCAMLFIND OCAML_VERSION OCAML_STDLIB_PATH)
-- OCaml bindings disabled.
-- LLVM host triple: i686-pc-mingw32
-- LLVM default target triple: i686-pc-mingw32
-- Performing Test CXX_SUPPORTS_MISSING_FIELD_INITIALIZERS_FLAG
-- Performing Test CXX_SUPPORTS_MISSING_FIELD_INITIALIZERS_FLAG - Success
-- Performing Test C_SUPPORTS_COVERED_SWITCH_DEFAULT_FLAG
-- Performing Test C_SUPPORTS_COVERED_SWITCH_DEFAULT_FLAG - Failed
-- Performing Test CXX_SUPPORTS_COVERED_SWITCH_DEFAULT_FLAG
-- Performing Test CXX_SUPPORTS_COVERED_SWITCH_DEFAULT_FLAG - Failed
-- Performing Test C_SUPPORTS_DELETE_NON_VIRTUAL_DTOR_FLAG
-- Performing Test C_SUPPORTS_DELETE_NON_VIRTUAL_DTOR_FLAG - Failed
-- Performing Test CXX_SUPPORTS_DELETE_NON_VIRTUAL_DTOR_FLAG
-- Performing Test CXX_SUPPORTS_DELETE_NON_VIRTUAL_DTOR_FLAG - Success
-- Performing Test C_WCOMMENT_ALLOWS_LINE_WRAP
-- Performing Test C_WCOMMENT_ALLOWS_LINE_WRAP - Failed
-- Performing Test C_SUPPORTS_STRING_CONVERSION_FLAG
-- Performing Test C_SUPPORTS_STRING_CONVERSION_FLAG - Failed
-- Performing Test CXX_SUPPORTS_STRING_CONVERSION_FLAG
-- Performing Test CXX_SUPPORTS_STRING_CONVERSION_FLAG - Failed
-- Performing Test C_SUPPORTS_WERROR_DATE_TIME
-- Performing Test C_SUPPORTS_WERROR_DATE_TIME - Success
-- Performing Test CXX_SUPPORTS_WERROR_DATE_TIME
-- Performing Test CXX_SUPPORTS_WERROR_DATE_TIME - Success
-- Performing Test CXX_SUPPORTS_CXX11
-- Performing Test CXX_SUPPORTS_CXX11 - Success
-- Found PythonInterp: D:/Python27/python.exe (found version "2.7.13")
-- Constructing LLVMBuild project information
-- LLVMHello ignored -- Loadable modules not supported on this platform.
-- Targeting AArch64
-- Targeting AMDGPU
-- Targeting ARM
-- Targeting BPF
-- Targeting Hexagon
-- Targeting Lanai
-- Targeting Mips
-- Targeting MSP430
-- Targeting NVPTX
-- Targeting PowerPC
-- Targeting RISCV
-- Targeting Sparc
-- Targeting SystemZ
-- Targeting X86
-- Targeting XCore
-- Looking for sys/resource.h
-- Looking for sys/resource.h - not found
-- Clang version: 4.0.0
-- Performing Test CXX_SUPPORTS_NO_NESTED_ANON_TYPES_FLAG
-- Performing Test CXX_SUPPORTS_NO_NESTED_ANON_TYPES_FLAG - Failed
-- SampleAnalyzerPlugin ignored -- Loadable modules not supported on this platform.
-- PrintFunctionNames ignored -- Loadable modules not supported on this platform.
-- AnnotateFunctions ignored -- Loadable modules not supported on this platform.
-- BugpointPasses ignored -- Loadable modules not supported on this platform.
-- Configuring done
-- Generating done
[edit]我跑了mingw32-make并收到以下消息：
Scanning dependencies of target LLVMDemangle
[ 0%] Building CXX object lib/Demangle/CMakeFiles/LLVMDemangle.dir/ItaniumDemangle.cpp.obj
[ 0%] Linking CXX static library ..\libLLVMDemangle.a
[ 0%] Built target LLVMDemangle
Scanning dependencies of target LLVMSupport
[ 0%] Building CXX object lib/Support/CMakeFiles/LLVMSupport.dir/APFloat.cpp.obj
[ 0%] Building CXX object lib/Support/CMakeFiles/LLVMSupport.dir/APInt.cpp.obj
[ 0%] Building CXX object lib/Support/CMakeFiles/LLVMSupport.dir/APSInt.cpp.obj
[ 0%] Building CXX object lib/Support/CMakeFiles/LLVMSupport.dir/ARMBuildAttrs.cpp.obj
[ 0%] Building CXX object lib/Support/CMakeFiles/LLVMSupport.dir/ARMWinEH.cpp.obj
[ 0%] Building CXX object lib/Support/CMakeFiles/LLVMSupport.dir/Allocator.cpp.obj
[ 0%] Building CXX object lib/Support/CMakeFiles/LLVMSupport.dir/BlockFrequency.cpp.obj
[ 0%] Building CXX object lib/Support/CMakeFiles/LLVMSupport.dir/BranchProbability.cpp.obj
[ 0%] Building CXX object lib/Support/CMakeFiles/LLVMSupport.dir/CachePruning.cpp.obj
[ 0%] Building CXX object lib/Support/CMakeFiles/LLVMSupport.dir/circular_raw_ostream.cpp.obj
[ 0%] Building CXX object lib/Support/CMakeFiles/LLVMSupport.dir/Chrono.cpp.obj
D:\ydyz\resources\llvmfiles\llvm_source\llvm2\lib\Support\Chrono.cpp: In function 'tm llvm::getStructTM(llvm::sys::TimePoint<>)':
D:\ydyz\resources\llvmfiles\llvm_source\llvm2\lib\Support\Chrono.cpp:29:15: error: '::localtime_s' has not been declared
int Error = ::localtime_s(&Storage, &OurTime);
^
lib\Support\CMakeFiles\LLVMSupport.dir\build.make:312: recipe for target 'lib/Support/CMakeFiles/LLVMSupport.dir/Chrono.cpp.obj' failed
mingw32-make[2]: *** [lib/Support/CMakeFiles/LLVMSupport.dir/Chrono.cpp.obj] Error 1
CMakeFiles\Makefile2:495: recipe for target 'lib/Support/CMakeFiles/LLVMSupport.dir/all' failed
mingw32-make[1]: *** [lib/Support/CMakeFiles/LLVMSupport.dir/all] Error 2
Makefile:150: recipe for target 'all' failed
mingw32-make: *** [all] Error 2
以下是我使用VS 2017构建它时得到的结果：
D:\ydyz\resources\llvm_source\build2>vcvars64
**********************************************************************
** Visual Studio 2017 Developer Command Prompt v15.0.26403.7
** Copyright (c) 2017 Microsoft Corporation
**********************************************************************
[vcvarsall.bat] Environment initialized for: 'x64'
D:\ydyz\resources\llvm_source\build2>cmake -G "Visual Studio 15" D:\ydyz\resources\llvm_source\llvm2
-- The C compiler identification is MSVC 19.10.25019.0
-- The CXX compiler identification is MSVC 19.10.25019.0
-- The ASM compiler identification is MSVC
-- Found assembler: C:/Program Files (x86)/Microsoft Visual Studio/2017/Professional/VC/Tools/MSVC/14.10.25017/bin/HostX86/x86/cl.exe
-- Check for working C compiler: C:/Program Files (x86)/Microsoft Visual Studio/2017/Professional/VC/Tools/MSVC/14.10.25017/bin/HostX86/x86/cl.exe
-- Check for working C compiler: C:/Program Files (x86)/Microsoft Visual Studio/2017/Professional/VC/Tools/MSVC/14.10.25017/bin/HostX86/x86/cl.exe -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler: C:/Program Files (x86)/Microsoft Visual Studio/2017/Professional/VC/Tools/MSVC/14.10.25017/bin/HostX86/x86/cl.exe
-- Check for working CXX compiler: C:/Program Files (x86)/Microsoft Visual Studio/2017/Professional/VC/Tools/MSVC/14.10.25017/bin/HostX86/x86/cl.exe -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Warning: Did not find file Compiler/MSVC-ASM
-- Looking for dirent.h
-- Looking for dirent.h - not found
-- Looking for dlfcn.h
-- Looking for dlfcn.h - not found
-- Looking for errno.h
-- Looking for errno.h - found
-- Looking for execinfo.h
-- Looking for execinfo.h - not found
-- Looking for fcntl.h
-- Looking for fcntl.h - found
-- Looking for inttypes.h
-- Looking for inttypes.h - found
-- Looking for link.h
-- Looking for link.h - not found
-- Looking for malloc.h
-- Looking for malloc.h - found
-- Looking for malloc/malloc.h
-- Looking for malloc/malloc.h - not found
-- Looking for ndir.h
-- Looking for ndir.h - not found
-- Looking for signal.h
-- Looking for signal.h - found
-- Looking for stdint.h
-- Looking for stdint.h - found
-- Looking for sys/dir.h
-- Looking for sys/dir.h - not found
-- Looking for sys/ioctl.h
-- Looking for sys/ioctl.h - not found
-- Looking for sys/mman.h
-- Looking for sys/mman.h - not found
-- Looking for sys/ndir.h
-- Looking for sys/ndir.h - not found
-- Looking for sys/param.h
-- Looking for sys/param.h - not found
-- Looking for sys/resource.h
-- Looking for sys/resource.h - not found
-- Looking for sys/stat.h
-- Looking for sys/stat.h - found
-- Looking for sys/time.h
-- Looking for sys/time.h - not found
-- Looking for sys/types.h
-- Looking for sys/types.h - found
-- Looking for sys/uio.h
-- Looking for sys/uio.h - not found
-- Looking for termios.h
-- Looking for termios.h - not found
-- Looking for unistd.h
-- Looking for unistd.h - not found
-- Looking for valgrind/valgrind.h
-- Looking for valgrind/valgrind.h - not found
-- Looking for zlib.h
-- Looking for zlib.h - not found
-- Looking for fenv.h
-- Looking for fenv.h - found
-- Looking for FE_ALL_EXCEPT
-- Looking for FE_ALL_EXCEPT - found
-- Looking for FE_INEXACT
-- Looking for FE_INEXACT - found
-- Looking for mach/mach.h
-- Looking for mach/mach.h - not found
-- Looking for histedit.h
-- Looking for histedit.h - not found
-- Looking for CrashReporterClient.h
-- Looking for CrashReporterClient.h - not found
-- Looking for xar_open in xar
-- Looking for xar_open in xar - not found
-- Looking for arc4random
-- Looking for arc4random - not found
-- Looking for backtrace
-- Looking for backtrace - not found
-- Looking for _Unwind_Backtrace
-- Looking for _Unwind_Backtrace - not found
-- Looking for getpagesize
-- Looking for getpagesize - not found
-- Looking for sysconf
-- Looking for sysconf - not found
-- Looking for getrusage
-- Looking for getrusage - not found
-- Looking for setrlimit
-- Looking for setrlimit - not found
-- Looking for isatty
-- Looking for isatty - not found
-- Looking for futimens
-- Looking for futimens - not found
-- Looking for futimes
-- Looking for futimes - not found
-- Looking for posix_fallocate
-- Looking for posix_fallocate - not found
-- Looking for sigaltstack
-- Looking for sigaltstack - not found
-- Looking for lseek64
-- Looking for lseek64 - not found
-- Looking for mallctl
-- Looking for mallctl - not found
-- Looking for mallinfo
-- Looking for mallinfo - not found
-- Looking for malloc_zone_statistics
-- Looking for malloc_zone_statistics - not found
-- Looking for mkdtemp
-- Looking for mkdtemp - not found
-- Looking for mkstemp
-- Looking for mkstemp - not found
-- Looking for mktemp
-- Looking for mktemp - not found
-- Looking for getcwd
-- Looking for getcwd - not found
-- Looking for gettimeofday
-- Looking for gettimeofday - not found
-- Looking for getrlimit
-- Looking for getrlimit - not found
-- Looking for posix_spawn
-- Looking for posix_spawn - not found
-- Looking for pread
-- Looking for pread - not found
-- Looking for realpath
-- Looking for realpath - not found
-- Looking for sbrk
-- Looking for sbrk - not found
-- Looking for strtoll
-- Looking for strtoll - found
-- Looking for strerror
-- Looking for strerror - found
-- Looking for strerror_r
-- Looking for strerror_r - not found
-- Looking for strerror_s
-- Looking for strerror_s - found
-- Looking for setenv
-- Looking for setenv - not found
-- Looking for _chsize_s
-- Looking for _chsize_s - found
-- Looking for _alloca
-- Looking for _alloca - not found
-- Looking for __alloca
-- Looking for __alloca - not found
-- Looking for __chkstk
-- Looking for __chkstk - not found
-- Looking for __chkstk_ms
-- Looking for __chkstk_ms - not found
-- Looking for ___chkstk
-- Looking for ___chkstk - not found
-- Looking for ___chkstk_ms
-- Looking for ___chkstk_ms - not found
-- Looking for __ashldi3
-- Looking for __ashldi3 - not found
-- Looking for __ashrdi3
-- Looking for __ashrdi3 - not found
-- Looking for __divdi3
-- Looking for __divdi3 - not found
-- Looking for __fixdfdi
-- Looking for __fixdfdi - not found
-- Looking for __fixsfdi
-- Looking for __fixsfdi - not found
-- Looking for __floatdidf
-- Looking for __floatdidf - not found
-- Looking for __lshrdi3
-- Looking for __lshrdi3 - not found
-- Looking for __moddi3
-- Looking for __moddi3 - not found
-- Looking for __udivdi3
-- Looking for __udivdi3 - not found
-- Looking for __umoddi3
-- Looking for __umoddi3 - not found
-- Looking for __main
-- Looking for __main - not found
-- Looking for __cmpdi2
-- Looking for __cmpdi2 - not found
-- Looking for __GLIBC__
-- Looking for __GLIBC__ - not found
-- Performing Test HAVE_INT64_T
-- Performing Test HAVE_INT64_T - Success
-- Performing Test HAVE_UINT64_T
-- Performing Test HAVE_UINT64_T - Success
-- Performing Test HAVE_U_INT64_T
-- Performing Test HAVE_U_INT64_T - Failed
-- Performing Test LLVM_HAS_ATOMICS
-- Performing Test LLVM_HAS_ATOMICS - Success
-- Performing Test SUPPORTS_VARIADIC_MACROS_FLAG
-- Performing Test SUPPORTS_VARIADIC_MACROS_FLAG - Failed
-- Performing Test SUPPORTS_GNU_ZERO_VARIADIC_MACRO_ARGUMENTS_FLAG
-- Performing Test SUPPORTS_GNU_ZERO_VARIADIC_MACRO_ARGUMENTS_FLAG - Failed
-- Native target architecture is X86
-- Threads enabled.
-- Doxygen disabled.
-- Sphinx disabled.
-- Go bindings disabled.
-- Could NOT find OCaml (missing: OCAMLFIND OCAML_VERSION OCAML_STDLIB_PATH)
-- OCaml bindings disabled.
-- LLVM host triple: i686-pc-win32
-- LLVM default target triple: i686-pc-win32
-- Using Debug VC++ CRT: MDd
-- Using Release VC++ CRT: MD
-- Using MinSizeRel VC++ CRT: MD
-- Using RelWithDebInfo VC++ CRT: MD
-- Found PythonInterp: D:/Python27/python.exe (found version "2.7.13")
-- Constructing LLVMBuild project information
-- LLVMHello ignored -- Loadable modules not supported on this platform.
-- Targeting AArch64
-- Targeting AMDGPU
-- Targeting ARM
-- Targeting BPF
-- Targeting Hexagon
-- Targeting Lanai
-- Targeting Mips
-- Targeting MSP430
-- Targeting NVPTX
-- Targeting PowerPC
-- Targeting RISCV
-- Targeting Sparc
-- Targeting SystemZ
-- Targeting X86
-- Targeting XCore
-- Looking for sys/resource.h
-- Looking for sys/resource.h - not found
-- Clang version: 4.0.0
-- SampleAnalyzerPlugin ignored -- Loadable modules not supported on this platform.
-- PrintFunctionNames ignored -- Loadable modules not supported on this platform.
-- AnnotateFunctions ignored -- Loadable modules not supported on this platform.
-- BugpointPasses ignored -- Loadable modules not supported on this platform.
-- Configuring done
-- Generating done
-- Build files have been written to: D:/ydyz/resources/llvm_source/build2