see: 
http://lists.ximian.com/pipermail/openoffice/2006-January/001520.html
http://lists.ximian.com/pipermail/openoffice/2006-January/001522.html
http://lists.ximian.com/pipermail/openoffice/2006-January/001528.html

Index: filter/source/config/fragments/makefile.mk
===================================================================
RCS file: /cvs/framework/filter/source/config/fragments/makefile.mk,v
retrieving revision 1.16
retrieving revision 1.16.16.1
diff -u -r1.16 -r1.16.16.1
--- filter/source/config/fragments/makefile.mk	14 Dec 2005 14:48:16 -0000	1.16
+++ filter/source/config/fragments/makefile.mk	17 Jan 2006 11:03:31 -0000	1.16.16.1
@@ -156,11 +156,7 @@
 MERGE:=python ../tools/merge/pyAltFCFGMerge
 .ELSE
 MERGE    := $(JAVAI) -jar $(CLASSDIR)$/FCFGMerge.jar
-.IF "$(JDK)" == "gcj"
-XALANCLASS=$(SOLARBINDIR)/xalan.jar
-CLASSPATH:=$(CLASSPATH)$(PATH_SEPERATOR){$(subst,%Z*Z%,$(PATH_SEPERATOR) $(XALANCLASS:s/ /%Z*Z%/))}
-.ENDIF
-PACKLANG := $(JAVAI) org.apache.xalan.xslt.Process -XSL langfilter.xsl
+PACKLANG := $(JAVAI) $(JAVACPS) $(SOLARBINDIR)/xalan.jar org.apache.xalan.xslt.Process -XSL langfilter.xsl
 .ENDIF
 
 # -----------------------------------------------------------------------------