[PATH] fix broken mac build on old clangs.

[Thiago Macieira]

On Sunday 08 November 2015 22:12:19 Tomaz Canabrava wrote:
>  if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
> -       set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu11 ")
> -       set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
> +       set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99 ")
>  elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "AppleClang")
> -       set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu11 ")
> -       set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
> +       set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99 ")

Why? Anyone using Clang has a recent enough version of it that it supports 
C++11.

GCC 5.0 and Clang 3.7 switched C mode to C11 by default (your patch reverts 
that to C99); GCC 6.0 is switching to C++14 by default.

-- 
Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
   Software Architect - Intel Open Source Technology Center
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