There is nothing to build in xmlhelp/inc

xmlhelp/inc/makefile.mk

-#*************************************************************************
-#
-# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
-# 
-# Copyright 2000, 2010 Oracle and/or its affiliates.
-#
-# OpenOffice.org - a multi-platform office productivity suite
-#
-# This file is part of OpenOffice.org.
-#
-# OpenOffice.org is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License version 3
-# only, as published by the Free Software Foundation.
-#
-# OpenOffice.org is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU Lesser General Public License version 3 for more details
-# (a copy is included in the LICENSE file that accompanied this code).
-#
-# You should have received a copy of the GNU Lesser General Public License
-# version 3 along with OpenOffice.org.  If not, see
-# <http://www.openoffice.org/license.html>
-# for a copy of the LGPLv3 License.
-#
-#*************************************************************************
-PRJ=..
-
-PRJNAME=xmlhelp
-TARGET=inc
-
-# --- Settings -----------------------------------------------------
-
-.INCLUDE :  settings.mk
-
-# --- Files --------------------------------------------------------
-# --- Targets -------------------------------------------------------
-
-.INCLUDE :  target.mk
-

xmlhelp/prj/build.lst

 xh      xmlhelp :       comphelper ucbhelper LIBXSLT:libxslt unoil BERKELEYDB:berkeleydb LUCENE:lucene javaunohelper DESKTOP:l10ntools unotools NULL
 xh	xmlhelp									usr1	-	all	xh_mkout NULL
-xh	xmlhelp\inc								nmake	-	all	xh_inc NULL
-xh	xmlhelp\source\treeview					nmake	-	all	xh_treeview xh_inc NULL
-xh	xmlhelp\source\com\sun\star\help		nmake	-	all	xh_help xh_inc NULL
-xh	xmlhelp\source\cxxhelp\util				nmake	-	all	xh_cutil xh_inc NULL
-xh	xmlhelp\source\cxxhelp\qe				nmake	-	all	xh_qe xh_inc NULL
-xh	xmlhelp\source\cxxhelp\provider			nmake	-	all	xh_provider xh_inc NULL
+xh	xmlhelp\source\treeview					nmake	-	all	xh_treeview NULL
+xh	xmlhelp\source\com\sun\star\help		nmake	-	all	xh_help NULL
+xh	xmlhelp\source\cxxhelp\util				nmake	-	all	xh_cutil NULL
+xh	xmlhelp\source\cxxhelp\qe				nmake	-	all	xh_qe NULL
+xh	xmlhelp\source\cxxhelp\provider			nmake	-	all	xh_provider NULL
 xh	xmlhelp\util            				nmake	-	all	xh_util xh_cutil xh_qe xh_provider NULL