[Beignet] build beignet error

[Zhigang Gong]

On Thu, Nov 27, 2014 at 09:13:53AM +0800, spring_wind wrote:
> Hi:
> I am building beignet and some errors happend:
> 
> 
> /home/peng_xihan/beignet_project/Beignet-1.0.0-Source/backend/src/./ir/sampler.hpp: In member function ‘void gbe::ir::SamplerSet::getData(uint32_t*) const’:
> /home/peng_xihan/beignet_project/Beignet-1.0.0-Source/backend/src/./ir/sampler.hpp:51: 错误：expected initializer before ‘:’ token
> /home/peng_xihan/beignet_project/Beignet-1.0.0-Source/backend/src/./ir/sampler.hpp:53: 错误：expected primary-expression before ‘}’ token
> /home/peng_xihan/beignet_project/Beignet-1.0.0-Source/backend/src/./ir/sampler.hpp:53: 错误：expected ‘;’ before ‘}’ token
> /home/peng_xihan/beignet_project/Beignet-1.0.0-Source/backend/src/./ir/sampler.hpp:53: 错误：expected primary-expression before ‘}’ token
> /home/peng_xihan/beignet_project/Beignet-1.0.0-Source/backend/src/./ir/sampler.hpp:53: 错误：expected ‘)’ before ‘}’ token
> /home/peng_xihan/beignet_project/Beignet-1.0.0-Source/backend/src/./ir/sampler.hpp:53: 错误：expected primary-expression before ‘}’ token
> /home/peng_xihan/beignet_project/Beignet-1.0.0-Source/backend/src/./ir/sampler.hpp:53: 错误：expected ‘;’ before ‘}’ token
> In file included from /home/peng_xihan/beignet_project/Beignet-1.0.0-Source/backend/src/./ir/unit.hpp:27,
>                  from /home/peng_xihan/beignet_project/Beignet-1.0.0-Source/backend/src/./ir/printf.hpp:29,
>                  from /home/peng_xihan/beignet_project/Beignet-1.0.0-Source/backend/src/./ir/function.hpp:32,
>                  from /home/peng_xihan/beignet_project/Beignet-1.0.0-Source/backend/src/./ir/context.hpp:28,
>                  from /home/peng_xihan/beignet_project/Beignet-1.0.0-Source/backend/src/ir/context.cpp:24:
> 
> 
> 
> /home/peng_xihan/beignet_project/Beignet-1.0.0-Source/backend/src/./ir/sampler.hpp:51
> 
>  class SamplerSet : public Serializable
>   {
>   public:
>     /*! Append the specified sampler and return the allocated offset.
>      *  If the speficied sampler is exist, only return the previous offset and
>      *  don't append it again. Return -1, if failed.*/
>     uint8_t append(uint32_t clkSamplerValue, Context *ctx);
>     /*! Append a sampler defined in kernel args. */
>     uint8_t append(Register samplerArg, Context *ctx);
>     size_t getDataSize(void) { return samplerMap.size(); }
>     size_t getDataSize(void) const { return samplerMap.size(); }
>     void getData(uint32_t *samplers) const {
>       for(auto &it : samplerMap)
>         samplers[it.second] = it.first;
>     }
> 
> 
> OS is CentOS 6.5 64bit, gcc version is 4.4.7 20120313 (Red Hat 4.4.7-4), is it gcc version related?

Yes, it is. Please check the README.md:

"Please be noted that the code was compiled on GCC 4.6, GCC 4.7 and GCC 4.8 and CLANG 3.5 and
 ICC 14.0.3. Since the code uses really recent C++11 features, you may expect problems with
 older compilers."

You need to update gcc version.

Thanks,
Zhigang Gong.

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