[libdbi-drivers] Fix to not build docs if openjade is not available

database/libdbi-drivers/libdbi-drivers.conf

@@ -2,7 +2,7 @@
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 #
 # Filename: package/.../libdbi-drivers/libdbi-drivers.conf
-# Copyright (C) 2006 The OpenSDE Project
+# Copyright (C) 2006 - 2008 The OpenSDE Project
 #
 # More information can be found in the files COPYING and README.
 #
@@ -47,3 +47,8 @@ if pkginstalled sqlite; then
 	var_append extraconfopt ' ' "--with-sqlite3-incdir=$root$( pkgprefix includedir sqlite )"
 	var_append extraconfopt ' ' "--with-sqlite3-libdir=$root$( pkgprefix libdir sqlite )"
 fi
+
+# disable to build docs if openjade is not available
+if ! pkginstalled openjade; then
+	var_append extraconfopt ' ' "--disable-docs"
+fi