[cfe-dev] 回复： C++ Standard Library on Windows

[Chris]

Awesome, thanks all. I definitely have some tinkering to do now.

Want what you have,
Chris

On Fri, Nov 21, 2014 at 8:44 AM, 江北才不尽 <lifangmu at foxmail.com> wrote:

> clang++ use g++ style(ABI),
> In driver.cpp:
>   static const DriverSuffix DriverSuffixes[] = {
>       {"clang", nullptr},
>       {"clang++", "--driver-mode=g++"},
>       {"clang-c++", "--driver-mode=g++"},
>       {"clang-cc", nullptr},
>       {"clang-cpp", "--driver-mode=cpp"},
>       {"clang-g++", "--driver-mode=g++"},
>       {"clang-gcc", nullptr},
>       {"clang-cl", "--driver-mode=cl"},
>       {"cc", nullptr},
>       {"cpp", "--driver-mode=cpp"},
>       {"cl", "--driver-mode=cl"},
>       {"++", "--driver-mode=g++"},
>   };
>
> If your must use Microsoft C++ STL Library, your should type clang-cl, it
> can be created by clang.exe (copy and rename).
>
>
> ------------------ 原始邮件 ------------------
>  *发件人:* "Dongsheng Song";<dongsheng.song at gmail.com>;
> *发送时间:* 2014年11月21日(星期五) 下午3:00
> *收件人:* "Reid Kleckner"<rnk at google.com>;
> *抄送:* "Clang Developers List"<cfe-dev at cs.uiuc.edu>;
> *主题:* Re: [cfe-dev] C++ Standard Library on Windows
>
>  On Fri, Nov 21, 2014 at 2:11 AM, Reid Kleckner <rnk at google.com> wrote:
>
>> Currently I don't think we have a solid preferred choice for a Windows
>> standard C++ library to use with Clang. There are only tradeoffs and
>> options:
>>
>> MSVC's STL: The 2013 version should work out of the box right now, but
>> exceptions don't work and you have to disable them with
>> -D_HAS_EXCEPTIONS=0. This option is good if you want to link against other
>> C++ code built with MSVC. I care about this config, so if you hit snags I'd
>> like to know. There is a known issue with the C++11 threading headers and
>> -D_HAS_EXCEPTIONS=0, which is described in this file in LLDB:
>>
>> http://llvm.org/viewvc/llvm-project/lldb/trunk/test/make/uncaught_exception.h?view=markup
>>
>>
>>
> Not works for me (clang 3.5 and VS 2013 U4):
>
> clang++ -D_HAS_EXCEPTIONS=0 hello.cpp
> hello-d5bfe1.o : error LNK2019: unresolved external symbol _Unwind_Resume
> referenced in function "class std::basic_ostream<char,struct
> std::char_traits<char> > & __cdecl std::operator<<<struct
> std::char_traits<char> >(class std::basic_ostream<char,struct
> std::char_traits<char> > &,char const *)" (??$?6U?$char_traits at D@std@
> @@std@@YAAEAV?$basic_ostream at DU?$char_traits at D@std@@@0 at AEAV10@PEBD at Z)
> hello-d5bfe1.o : error LNK2001: unresolved external symbol
> __gxx_personality_v0
> hello-d5bfe1.o : error LNK2019: unresolved external symbol
> __cxa_call_unexpected referenced in function "public: __cdecl
> std::basic_ostream<char,struct std::char_traits<char>
> >::sentry::~sentry(void)" (??1sentry@?$basic_ostream at DU?$char_traits at D
> @std@@@std@@QEAA at XZ)
> a.out : fatal error LNK1120: 3 unresolved externals
> clang++.exe: error: linker command failed with exit code 1120 (use -v to
> see invocation)
>
>
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>
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