diff -up libgnomecanvas-2.26.0/configure.in.libs libgnomecanvas-2.26.0/configure.in
--- libgnomecanvas-2.26.0/configure.in.libs	2010-02-13 22:45:28.642364057 -0500
+++ libgnomecanvas-2.26.0/configure.in	2010-02-13 22:48:05.209114546 -0500
@@ -89,6 +89,7 @@ CANVAS_MODULES="dnl
   pangoft2 >= pango_required_version"
 PKG_PROG_PKG_CONFIG([0.18])
 PKG_CHECK_MODULES(LIBGNOMECANVAS, $CANVAS_MODULES)
+LIBGNOMECANVAS_LIBS="$LIBGNOMECANVAS_LIBS -lm"
 
 if test "$enable_maintainer_mode" = "yes"; then
 	LIBGNOMECANVAS_DEPRECATED_CFLAGS="-DG_DISABLE_SINGLE_INCLUDES -DGTK_DISABLE_SINGLE_INCLUDES"