diff -Nur a/CMakeLists.txt b/CMakeLists.txt --- a/CMakeLists.txt 2017-12-24 09:09:10.000000000 +0000 +++ b/CMakeLists.txt 2017-12-25 20:42:40.998693994 +0000 @@ -355,7 +355,7 @@ message(STATUS "Found clang compiler - ${CLANG_OPENCL_COMPILER}") find_path(CLANG_OPENCL_INCLUDE_DIR opencl-c.h - HINTS ${LLVM_INSTALL_PREFIX}/lib/clang ${LLVM_INSTALL_PREFIX}/lib64/clang + HINTS ${LLVM_INSTALL_PREFIX}/lib/clang ${LLVM_INSTALL_PREFIX}/lib64/clang /usr/lib/clang /usr/lib64/clang PATH_SUFFIXES include ${LLVM_PACKAGE_VERSION}/include NO_DEFAULT_PATH )