[cfe-dev] Attempt to install and test the libc++ failing rather catastrophically

[doug livesey]

Cheers for that -- does that mean that I shouldn't really be expecting to
compile working programs with libc++ at the moment?
Or should I pass that to my build of the library, too?
& thanks for the reply.
   Doug.

On 22 June 2011 13:23, Howard Hinnant <hhinnant at apple.com> wrote:

> On Jun 22, 2011, at 2:21 AM, doug livesey wrote:
>
> > Hi -- I tried to follow the instructions here (http://libcxx.llvm.org/)
> to install libc++, but the tests fail, and trying to compile with libc++
> fails (on a project that works without).
> > I should add that I'm rather a n00b, sorry.
> > Some of the output I'm getting from the tests is here:
> https://gist.github.com/1039586
> > That's from the tail end of the output, sorry -- I left it running in
> screen.
> > I can run it again and redirect it to a file, if that could help.
> > Could it be that I need to include more files into the compilation of
> libc++?
> > I use /usr/local/lib and /usr/local/include for quite a bit of stuff
> (like Boost).
> > Anyway, any help & all advice will be very gratefully received.
> > Thanks,
> >    Doug.
>
> You can significantly improve the test score by adding "-U__STRICT_ANSI__"
> to the command line for the tests.  This can be done with the following
> command prior to executing testit:
>
> $ export OPTIONS="-std=c++0x -stdlib=libc++ -U__STRICT_ANSI__"
>
> I've added this information to the libc++ website (sorry it wasn't there
> before).
>
> You will still get failures due to unimplemented C++0x features, but not
> nearly as many as without
> -U__STRICT_ANSI__.  This is a temporary workaround due to a conflict
> between clang and the OS X headers.
>
> With this fix, and clang version 2.9, I'm getting:
>
> ****************************************************
> Results for /Users/hhinnant/Development/libcxx/test:
> using clang version 2.9 (tags/RELEASE_29/final)
> Target: x86_64-apple-darwin10
> Thread model: posix
> with -std=c++0x -stdlib=libc++ -U__STRICT_ANSI__
> ----------------------------------------------------
> sections without tests   : 1
> sections with failures   : 69
> sections without failures: 994
>                       +   ----
> total number of sections : 1064
> ----------------------------------------------------
> number of tests failed   : 207
> number of tests passed   : 4117
>                       +   ----
> total number of tests    : 4324
> ****************************************************
>
> Howard
>
>
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