expat Makefile.in,1.55,1.56

Update of /cvsroot/expat/expat
In directory sc8-pr-cvs5.sourceforge.net:/tmp/cvs-serv22062

Modified Files:
	Makefile.in 
Log Message:
Re-introducing the old "indef..endif" logic, but using "?=", as ifndef is only
supported by GNU Make, but not BSD and Solaris Make. Fix for bugs 
# 1490371 and #1613457.


Index: Makefile.in
===================================================================
RCS file: /cvsroot/expat/expat/Makefile.in,v
retrieving revision 1.55
retrieving revision 1.56
diff -u -d -r1.55 -r1.56
--- Makefile.in	6 Mar 2006 14:24:36 -0000	1.55
+++ Makefile.in	13 Dec 2006 17:26:07 -0000	1.56
@@ -44,7 +44,7 @@
 APIHEADER = $(srcdir)/lib/expat.h $(srcdir)/lib/expat_external.h
 LIBRARY = libexpat.la
 
-INSTALL_ROOT=$(DESTDIR)
+INSTALL_ROOT ?= $(DESTDIR)
 
 default:  buildlib xmlwf/xmlwf