scripts/gcc-version.sh

   1 #!/bin/sh
   2 #
   3 # gcc-version [-p] gcc-command
   4 #
   5 # Prints the gcc version of `gcc-command' in a canonical 4-digit form
   6 # such as `0295' for gcc-2.95, `0303' for gcc-3.3, etc.
   7 #
   8 # With the -p option, prints the patchlevel as well, for example `029503' for
   9 # gcc-2.95.3, `030301' for gcc-3.3.1, etc.
  10 #
  11
  12 if [ $1 = "-p" ] ; then with_patchlevel=1; shift; fi
  13
  14 compiler="$*"
  15
  16 MAJOR=$(echo __GNUC__ | $compiler -E -xc - | tail -n 1)
  17 MINOR=$(echo __GNUC_MINOR__ | $compiler -E -xc - | tail -n 1)
  18 if [ "x$with_patchlevel" != "x" ] ; then
  19         PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -xc - | tail -n 1)
  20         printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL
  21 else
  22         printf "%02d%02d\\n" $MAJOR $MINOR
  23 fi