|  | #!/bin/sh | 
|  | # | 
|  | # gcc-version [-p] gcc-command | 
|  | # | 
|  | # Prints the gcc version of `gcc-command' in a canonical 4-digit form | 
|  | # such as `0295' for gcc-2.95, `0303' for gcc-3.3, etc. | 
|  | # | 
|  | # With the -p option, prints the patchlevel as well, for example `029503' for | 
|  | # gcc-2.95.3, `030301' for gcc-3.3.1, etc. | 
|  | # | 
|  |  | 
|  | if [ $1 = "-p" ] ; then with_patchlevel=1; shift; fi | 
|  |  | 
|  | compiler="$*" | 
|  |  | 
|  | MAJOR=$(echo __GNUC__ | $compiler -E -xc - | tail -n 1) | 
|  | MINOR=$(echo __GNUC_MINOR__ | $compiler -E -xc - | tail -n 1) | 
|  | if [ "x$with_patchlevel" != "x" ] ; then | 
|  | PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -xc - | tail -n 1) | 
|  | printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL | 
|  | else | 
|  | printf "%02d%02d\\n" $MAJOR $MINOR | 
|  | fi |