projects/linux·blob v4.13 · refs

32 lines · 822 B

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
12if [ "$1" = "-p" ] ; then
13 with_patchlevel=1;
14 shift;
15fi
16
17compiler="$*"
18
19if [ ${#compiler} -eq 0 ]; then
20 echo "Error: No compiler specified."
21 printf "Usage:\n\t$0 <gcc-command>\n"
22 exit 1
23fi
24
25MAJOR=$(echo __GNUC__ | $compiler -E -x c - | tail -n 1)
26MINOR=$(echo __GNUC_MINOR__ | $compiler -E -x c - | tail -n 1)
27if [ "x$with_patchlevel" != "x" ] ; then
28 PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -x c - | tail -n 1)
29 printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL
30else
31 printf "%02d%02d\\n" $MAJOR $MINOR
32fi