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| author | Fam Zheng | 2014-04-18 08:55:36 +0200 |
|---|---|---|
| committer | Michael Tokarev | 2014-04-27 11:04:18 +0200 |
| commit | 2d2ad6d0902bb6338f7fc64e52c202439b90f7ce (patch) | |
| tree | e966c800213a5a691af2b947b086903f0f6c67e6 /configure | |
| parent | vl: convert -m to QemuOpts (diff) | |
| download | qemu-2d2ad6d0902bb6338f7fc64e52c202439b90f7ce.tar.gz qemu-2d2ad6d0902bb6338f7fc64e52c202439b90f7ce.tar.xz qemu-2d2ad6d0902bb6338f7fc64e52c202439b90f7ce.zip | |
configure: Improve help behavior
Old:
There are two paths to show help and exit 1, one is with "-h" or
"--help", one is with invalid options.
New:
Show help and exit 0 for --help.
On invalid option, don't show the long help and bury the early "ERROR:"
line, just give a message pointing to --help.
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 7 |
1 files changed, 5 insertions, 2 deletions
@@ -1087,7 +1087,10 @@ for opt do ;; --enable-quorum) quorum="yes" ;; - *) echo "ERROR: unknown option $opt"; show_help="yes" + *) + echo "ERROR: unknown option $opt" + echo "Try '$0 --help' for more information" + exit 1 ;; esac done @@ -1353,7 +1356,7 @@ Advanced options (experts only): NOTE: The object files are built at the place where configure is launched EOF -exit 1 +exit 0 fi # Now we have handled --enable-tcg-interpreter and know we're not just |