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Added build-time check for OpenCL 2.0 #415

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Added build-time check for OpenCL 2.0 #415

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14 changes: 14 additions & 0 deletions configure.ac
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Original file line number Diff line number Diff line change
Expand Up @@ -156,6 +156,20 @@ AC_LINK_IFELSE(
OPENCL_FLAGS=
OPENCL_LIBS=
found_opencl=0])

if test "$found_opencl" = 1; then
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#ifdef __APPLE_CC__
#include <OpenCL/opencl.h>
#else
#include <CL/cl.h>
#endif
]],
[[return clCreateCommandQueueWithProperties(NULL, NULL, NULL, NULL); ]])],
[AC_DEFINE([HAS_OCL2], [1], [OpenCL library supports version 2.0 or later])],
[])
fi

LIBS=$SAVED_LIBS
CFLAGS=$SAVED_CFLAGS

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