sdb_plugin.m4: Provide more details if a plugin is disabled by default.

The default value passed to AC_SDB_PLUGIN might contain additional information
about why the plugin has been disabled by default. This information should be
forwarded to the user.

diff --git a/m4/sdb_plugin.m4 b/m4/sdb_plugin.m4
index 1cf916cf4805eb692e7056e49bec78d90f9ed72e..e734e0d0b9bffb14688ae3dfb045ace05b92c09c 100644 (file)
--- a/m4/sdb_plugin.m4
+++ b/m4/sdb_plugin.m4
@@ -60,7 +60,7 @@ AC_DEFUN([AC_SDB_PLUGIN],
                                if test "x$2" = "xyes"; then
                                        enable_plugin="yes"
                                else
-                                       enable_plugin="no"
+                                       enable_plugin="$2"
                                fi
                         else
                                enable_plugin="$enable_all_plugins"