[gtk-doc] gtkdocize: sed does not fail if ther eis no match

[Stefan Kost <stefkost src gnome org>]

commit 01615f236e355160bbef636bc2c2b5f196f2957f
Author: Stefan Kost <ensonic users sf net>
Date:   Mon Jan 4 14:39:19 2010 +0200

    gtkdocize: sed does not fail if ther eis no match
    
    This fixes grabbing the options from the configure macro, when there is no 2nd
    option used.

 gtkdocize.in |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/gtkdocize.in b/gtkdocize.in
index f425467..c7eeefd 100644
--- a/gtkdocize.in
+++ b/gtkdocize.in
@@ -36,8 +36,9 @@ if test $no_configure_found -eq 0; then
   macro=`grep '^GTK_DOC_CHECK' $configure 2>/dev/null`
   if test $? -eq 0; then
     # GTK_DOC_CHECK([1.14],[--flavour no-tmpl])
-    extra_options=`echo $macro | sed -e 's/^GTK_DOC_CHECK(\ *\(.*\))/\1/' | sed -e 's/^.*\,\ *\[\{0,1\}\([^]]*\)\]\{0,1\}\ *$/\1/'`
-    if test $? -eq 0; then
+    params=`echo $macro | sed -e 's/^GTK_DOC_CHECK(\ *\(.*\))/\1/'`
+    if `echo $params | grep '^.*\,\ *\[\{0,1\}'`; then
+      extra_options=`echo $params | sed -e 's/^.*\,\ *\[\{0,1\}\([^]]*\)\]\{0,1\}\ *$/\1/'`
       #echo >&2 "DEBUG: adding extra options [$extra_options] to [$*]"
       set - $* $GTKDOCIZE_FLAGS $extra_options
     else