--- plug-ins/cineon/Makefile.am.orig
+++ plug-ins/cineon/Makefile.am
@@ -27,7 +27,7 @@
 LDADD = \
 	$(top_builddir)/lib/libcinepaint.la	\
 	$(X_LIBS)				\
-	-lc
+	-lm
 
 DEPS = $(top_builddir)/lib/libcinepaint.la