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| author | Jesper Juhl <jesper.juhl@gmail.com> | 2007-08-04 20:30:42 +0200 |
|---|---|---|
| committer | Sam Ravnborg <sam@neptun.(none)> | 2007-10-12 21:15:30 +0200 |
| commit | de47062a17a236543690e0c23dfb30cb11c6e674 (patch) | |
| tree | 00c2d1fb2f41b4cd510918d3fb2b3785e8da57e0 /scripts/gcc-version.sh | |
| parent | c34114f4acbc89a217148ebe166b2a68f973a7b9 (diff) | |
| download | lwn-de47062a17a236543690e0c23dfb30cb11c6e674.tar.gz lwn-de47062a17a236543690e0c23dfb30cb11c6e674.zip | |
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: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'scripts/gcc-version.sh')
| -rw-r--r-- | scripts/gcc-version.sh | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/scripts/gcc-version.sh b/scripts/gcc-version.sh index 8a1d1879c7ad..a5121a6d8949 100644 --- a/scripts/gcc-version.sh +++ b/scripts/gcc-version.sh @@ -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 |