/usr/include/clc/clcmacros.h is in libclc-dev 0.2.0+git20180312-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | /* 6.9 Preprocessor Directives and Macros
* Some of these are handled by clang or passed by clover */
#if __OPENCL_VERSION__ >= 110
#define CLC_VERSION_1_0 100
#define CLC_VERSION_1_1 110
#endif
#if __OPENCL_VERSION__ >= 120
#define CLC_VERSION_1_2 120
#endif
#define NULL ((void*)0)
#define __kernel_exec(X, typen) __kernel \
__attribute__((work_group_size_hint(X, 1, 1))) \
__attribute__((vec_type_hint(typen)))
#define kernel_exec(X, typen) __kernel_exec(X, typen)
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