debug: check clang and oneapi match outputs

Author: ndgrigorian

libsyclinterface/cmake/modules/FindIntelSyclCompiler.cmake

@@ -102,12 +102,14 @@ if(${clangxx_result} MATCHES "0")
             # Match 'clang version xx.x.x'
             string(REGEX MATCH "^.*clang version [0-9]+\\.[0-9]+\\.[0-9]+.*$" _clang_match "${X}")
             if(_clang_match)
+                message(STATUS "_clang_match: ${_clang_match}")
                 string(REGEX REPLACE "^.*clang version ([0-9]+\\.[0-9]+\\.[0-9]+).*$" "\\1" IntelSyclCompiler_VERSION "${_clang_match}")
             endif()
 
             # Match 'Intel(R) oneAPI DPC++/C++ Compiler xxxx.x.x (...)'
             string(REGEX MATCH "^.*Intel\\(R\\) oneAPI DPC\\+\\+\\/C\\+\\+ Compiler [0-9]+\\.[0-9]+\\.[0-9]+.*$" _oneapi_match "${X}")
             if(_oneapi_match)
+                message(STATUS "_oneapi_match: ${_oneapi_match}")
                 string(REGEX REPLACE "^.*Intel\\(R\\) oneAPI DPC\\+\\+\\/C\\+\\+ Compiler ([0-9]+\\.[0-9]+\\.[0-9]+).*$" "\\1" IntelSyclCompiler_VERSION "${_oneapi_match}")
             endif()
         endif()