diff -ur wcslib-4.3.1/makedefs.in wcslib-4.3.1.new/makedefs.in
--- wcslib-4.3.1/makedefs.in 2007-12-27 06:57:22.000000000 +0100
+++ wcslib-4.3.1.new/makedefs.in 2009-03-16 15:50:23.000000000 +0100
@@ -107,7 +107,7 @@
# Shared (dynamic) library (see note 3 above).
SHRLIB := @SHRLIB@
SHRFLAGS := @SHRFLAGS@
- SHRLD := @SHRLD@
+ SHRLD := @SHRLD@ -lm
SHRLN := @SHRLN@
# Installation utilities and locations.