bdb: fixed cross-compiling by not building C++ glue

At this stage we do not have a proper C++ compiler :/

database/bdb/bdb-conf.in

@@ -3,6 +3,7 @@
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 #
 # Filename: package/.../bdb/bdb-conf.in
+# Copyright (C) 2014 The OpenSDE Project
 # Copyright (C) 2004 - 2006 The T2 SDE Project
 # Copyright (C) 1998 - 2003 Clifford Wolf
 #
@@ -50,7 +51,11 @@ if [[ $pkg = *-java ]]; then
 	var_append makeopt	' ' java
 else
 	var_append confopt ' ' '--enable-compat185'
-	var_append confopt ' ' '--enable-cxx'
+
+	# FIXME: no C++ compiler support when cross-compiling
+	if atstage native; then
+		var_append confopt ' ' '--enable-cxx'
+	fi
 
 	# we need the install-sh here, since our gnu-install does not
 	# handle the transform-name ...