cmake: correct compiler info printing

Signed-off-by: Hofi <[email protected]>

Author: HofiOne

cmake/print_config_summary.cmake

@@ -114,18 +114,21 @@ function(_print_compilers_info _variableNames _importantVariableNames)
 
         if(_isCompiler)
           set(_compilerVersion "")
-          get_filename_component (_executable_name "${${_variableName}}" NAME_WE)
-          execute_process (
-            COMMAND ${${_variableName}} --version
-            COMMAND grep -i ${_executable_name}
-            OUTPUT_VARIABLE _compilerVersion
-            OUTPUT_STRIP_TRAILING_WHITESPACE
-          )
-          execute_process (
+          get_filename_component(_executable_name "${${_variableName}}" NAME_WE)
+          execute_process(
             COMMAND which ${${_variableName}}
             OUTPUT_VARIABLE _compilerPath
             OUTPUT_STRIP_TRAILING_WHITESPACE
           )
+          execute_process(
+            COMMAND "${_compilerPath}" --version
+            # version info does not always contain the exact executable name (clang++ -> clang)
+            # using now the hardcoded first line content instead :S
+            #COMMAND grep -i ${_executable_name}
+            COMMAND head -n 1
+            OUTPUT_VARIABLE _compilerVersion
+            OUTPUT_STRIP_TRAILING_WHITESPACE
+          )
           _space_tabbed_string("${_variableName}" 32 _spaceTabbedVariableName)
           _space_tabbed_string ("${_executable_name}" 10 _spaceTabbedExecutable_name)
           _print_summary_line("${_spaceTabbedVariableName}" "${_spaceTabbedExecutable_name}${Green}[${Yellow}${_compilerVersion}${Green}]${ResetFG} - ${_compilerPath}" 32)