diff -dur xfce4-notes-plugin-1.7.2.orig/panel-plugin/Makefile.in xfce4-notes-plugin-1.7.2/panel-plugin/Makefile.in
--- xfce4-notes-plugin-1.7.2.orig/panel-plugin/Makefile.in	2009-12-19 13:42:03.000000000 +0100
+++ xfce4-notes-plugin-1.7.2/panel-plugin/Makefile.in	2010-02-17 10:49:31.000000000 +0100
@@ -234,7 +234,7 @@
 INTLTOOL_PERL = @INTLTOOL_PERL@
 INTLTOOL_UPDATE = @INTLTOOL_UPDATE@
 LD = @LD@
-LDFLAGS = @LDFLAGS@
+LDFLAGS = @LDFLAGS@ -lm
 LIBOBJS = @LIBOBJS@
 LIBS = @LIBS@
 LIBTOOL = @LIBTOOL@