$NetBSD: patch-aa,v 1.3 2006/01/09 19:27:19 joerg Exp $

--- mfhdf/hdiff/Makefile.in.orig	2006-01-09 19:22:02.000000000 +0000
+++ mfhdf/hdiff/Makefile.in
@@ -189,7 +189,7 @@ am_hdiff_OBJECTS = hdiff.$(OBJEXT) hdiff
 	hdiff_misc.$(OBJEXT) hdiff_sds.$(OBJEXT) hdiff_table.$(OBJEXT) \
 	hdiff_vs.$(OBJEXT)
 hdiff_OBJECTS = $(am_hdiff_OBJECTS)
-hdiff_LDFLAGS =
+hdiff_LDFLAGS = -lm
 am_hdifftst_OBJECTS = hdifftst.$(OBJEXT)
 hdifftst_OBJECTS = $(am_hdifftst_OBJECTS)
 hdifftst_LDFLAGS =