--- cinepaint/lib/Makefile.am.orig	2007-10-25 12:17:36.000000000 +0200
+++ cinepaint/lib/Makefile.am	2013-03-23 21:27:13.098112559 +0100
@@ -18,7 +18,8 @@
 
 libcinepaint_la_LIBADD = \
 	./wire/libwire.la \
-	$(top_builddir)/libhalf/libcinepaintHalf.la
+	$(top_builddir)/libhalf/libcinepaintHalf.la \
+	$(GTK_LIBS) -lm
 
 libcinepaint_la_SOURCES = \
 	chain.xpm \