Root/scripts/gcc-version.sh

Source at commit cdde9cf73945d547acd3e96f9508c79e84ad0bf1 created 9 years 4 months ago.
By Maarten ter Huurne, MMC: JZ4740: Added support for CPU frequency changing
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__ | $compiler -E -xc - | tail -n 1)
26MINOR=$(echo __GNUC_MINOR__ | $compiler -E -xc - | tail -n 1)
27if [ "x$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
33

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