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akhal
Journeyman III

make error with AMD samples

Hello

 

I have downloaded few OpenCL samples for Linux from AMD and I have AMD, Intel and Nvidia platforms installed on my machine, but when I try to "make" those samples, I always get this error:

 error: ‘CL_MEM_USE_PERSISTENT_MEM_AMD’ was not declared in this scope

 

How can I get rid of this error?

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2 Replies
genaganna
Journeyman III

Originally posted by: akhal Hello

 

 

 

I have downloaded few OpenCL samples for Linux from AMD and I have AMD, Intel and Nvidia platforms installed on my machine, but when I try to "make" those samples, I always get this error:

 

 error: ‘CL_MEM_USE_PERSISTENT_MEM_AMD’ was not declared in this scope

 

 

 

How can I get rid of this error?

 

Have you installed AMD APP SDK?  You are missing AMD APP headers(Perticularly cl_ext.h).

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Sounds like your code is compiling with the Intel SDK...

Have you checked your code is compiling with the intended CL platform? If you've got both Intel & AMD SDKs installed, the default (0) OpenCL platform chosen by your code may be Intels SDK which will not recognise 'CL_MEM_USE_PERSISTENT_MEM_AMD' flag, hence the error. You can retrieve platform vendor information with clGetPlatformInfo() and CL_PLATFORM_VENDOR flag - check it's got AMD in it.

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