Commit de47062a authored by Jesper Juhl's avatar Jesper Juhl Committed by Sam Ravnborg

kbuild: improve scripts/gcc-version.sh output a bit when called without args

Currently, if you call scripts/gcc-version.sh without arguments it will
generate this output :

$ sh scripts/gcc-version.sh
scripts/gcc-version.sh: line 12: [: =: unary operator expected
scripts/gcc-version.sh: line 16: -E: command not found
scripts/gcc-version.sh: line 17: -E: command not found
0000

Not too pretty. I believe this is an improvement :

$ sh scripts/gcc-version.sh
Error: No compiler specified.
Usage:
        scripts/gcc-version.sh <gcc-command>
Signed-off-by: default avatarJesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: default avatarSam Ravnborg <sam@ravnborg.org>
parent c34114f4
......@@ -9,10 +9,16 @@
# gcc-2.95.3, `030301' for gcc-3.3.1, etc.
#
if [ $1 = "-p" ] ; then with_patchlevel=1; shift; fi
if [[ $1 = "-p" ]] ; then with_patchlevel=1; shift; fi
compiler="$*"
if [ ${#compiler} -eq 0 ]; then
echo "Error: No compiler specified."
echo -e "Usage:\n\t$0 <gcc-command>"
exit 1
fi
MAJOR=$(echo __GNUC__ | $compiler -E -xc - | tail -n 1)
MINOR=$(echo __GNUC_MINOR__ | $compiler -E -xc - | tail -n 1)
if [ "x$with_patchlevel" != "x" ] ; then
......
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