Strip parenthesized (pkgversion) data from GCC version string to avoid misinterpretation

Author: martin-frbg

f_check

@@ -75,6 +75,7 @@ if ($compiler eq "") {
 
 	} elsif ($data =~ /GNU/ || $data =~ /GCC/ ) {
 
+            $data =~ s/\(+.*?\)+//g;
 	    $data =~ /(\d+)\.(\d+).(\d+)/;
 	    $major = $1;
 	    $minor = $2;