HPCC-15057 Use default CMAKE_<LANG>_COMPILER_VERSION from cmake if it set correctly

cmake_modules/commonSetup.cmake

@@ -296,11 +296,11 @@ IF ("${COMMONSETUP_DONE}" STREQUAL "")
   if ("${CMAKE_C_COMPILER_ID}" MATCHES "Clang")
    set (CMAKE_COMPILER_IS_CLANG 1)
   endif()
-  if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_CLANG)
-    execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion OUTPUT_VARIABLE CMAKE_C_COMPILER_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
+  if ((CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_CLANG) AND (NOT ${CMAKE_C_COMPILER_VERSION} MATCHES "[0-9]+\\.[0-9]+\\.[0-9]+"))
+      execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion OUTPUT_VARIABLE CMAKE_C_COMPILER_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
   endif ()
-  if (CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANGXX)
-    execute_process(COMMAND ${CMAKE_CXX_COMPILER} -dumpversion OUTPUT_VARIABLE CMAKE_CXX_COMPILER_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
+  if ((CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANGXX) AND (NOT ${CMAKE_CXX_COMPILER_VERSION} MATCHES "[0-9]+\\.[0-9]+\\.[0-9]+"))
+      execute_process(COMMAND ${CMAKE_CXX_COMPILER} -dumpversion OUTPUT_VARIABLE CMAKE_CXX_COMPILER_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
   endif()
   if (CMAKE_COMPILER_IS_CLANGXX)
     execute_process( COMMAND ${CMAKE_CXX_COMPILER} --version OUTPUT_VARIABLE clang_full_version_string )