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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#!/bin/sh
2#
Segher Boessenkool0ab2a272007-05-19 18:49:07 +02003# gcc-version [-p] gcc-command
Linus Torvalds1da177e2005-04-16 15:20:36 -07004#
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#
Segher Boessenkool0ab2a272007-05-19 18:49:07 +02008# 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
Sam Ravnborg0484f122007-12-31 14:22:55 +010012if [ "$1" = "-p" ] ; then
13 with_patchlevel=1;
14 shift;
15fi
Linus Torvalds1da177e2005-04-16 15:20:36 -070016
17compiler="$*"
18
Jesper Juhlde470622007-08-04 20:30:42 +020019if [ ${#compiler} -eq 0 ]; then
20 echo "Error: No compiler specified."
dann frazierbdefe352009-06-05 15:02:49 -070021 printf "Usage:\n\t$0 <gcc-command>\n"
Jesper Juhlde470622007-08-04 20:30:42 +020022 exit 1
23fi
24
Linus Torvalds1da177e2005-04-16 15:20:36 -070025MAJOR=$(echo __GNUC__ | $compiler -E -xc - | tail -n 1)
26MINOR=$(echo __GNUC_MINOR__ | $compiler -E -xc - | tail -n 1)
Segher Boessenkool0ab2a272007-05-19 18:49:07 +020027if [ "x$with_patchlevel" != "x" ] ; then
28 PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -xc - | tail -n 1)
29 printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL
30else
31 printf "%02d%02d\\n" $MAJOR $MINOR
32fi