From: Fam Zheng <f...@redhat.com>

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 <f...@redhat.com>
Signed-off-by: Michael Tokarev <m...@tls.msk.ru>
---
 configure |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/configure b/configure
index b08afc3..2fbec59 100755
--- a/configure
+++ b/configure
@@ -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
-- 
1.7.10.4


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