I am building the compute runtime, and got the error on CentOS7. Thanks for your instructions!
[ 72%] Generating ../../../bin/built_ins/x64/gen9/aux_translation_Gen9lp.spv, ../../../bin/built_ins/x64/gen9/aux_translation_Gen9lp.bin, ../../../bin/built_ins/x64/gen9/aux_translation_Gen9lp.cpp, ../../../bin/built_ins/x64/gen9/aux_translation_Gen9lp.gen
In file included from :1:
./opencl-c.h:12:10: fatal error: 'opencl-c-base.h' file not found
#include "opencl-c-base.h"
^~~~~~~~~~~~~~~~~