[libcxx] r223590 - Improve error message when _LIBCPP_HAS_NO_MONOTONIC_CLOCK is used improperly

[Jonathan Roelofs]

Oooooh, I like it!


Thanks,

Jon

On 12/6/14 1:09 PM, Eric Fiselier wrote:
> Author: ericwf
> Date: Sat Dec  6 14:09:11 2014
> New Revision: 223590
>
> URL: http://llvm.org/viewvc/llvm-project?rev=223590&view=rev
> Log:
> Improve error message when _LIBCPP_HAS_NO_MONOTONIC_CLOCK is used improperly
>
> Modified:
>      libcxx/trunk/include/__config
>
> Modified: libcxx/trunk/include/__config
> URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/__config?rev=223590&r1=223589&r2=223590&view=diff
> ==============================================================================
> --- libcxx/trunk/include/__config (original)
> +++ libcxx/trunk/include/__config Sat Dec  6 14:09:11 2014
> @@ -713,4 +713,9 @@ extern "C" void __sanitizer_annotate_con
>   #  define _LIBCPP_WEAK __attribute__((__weak__))
>   #endif
>
> +#if defined(_LIBCPP_HAS_NO_MONOTONIC_CLOCK) && !defined(_LIBCPP_HAS_NO_THREADS)
> +#  error _LIBCPP_HAS_NO_MONOTONIC_CLOCK may only be defined when \
> +         _LIBCPP_HAS_NO_THREADS is defined.
> +#endif
> +
>   #endif  // _LIBCPP_CONFIG
>
>
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-- 
Jon Roelofs
jonathan at codesourcery.com
CodeSourcery / Mentor Embedded