--- src/Makefile.in.orig	2009-10-06 21:34:25.000000000 +0200
+++ src/Makefile.in	2009-12-01 22:23:11.000000000 +0100
@@ -126,7 +126,7 @@
 LIBOBJS = @LIBOBJS@
 LIBOTR_CFLAGS = @LIBOTR_CFLAGS@
 LIBOTR_LIBS = @LIBOTR_LIBS@
-LIBS = @LIBS@
+LIBS = @LIBS@ -lm
 LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MKDIR_P = @MKDIR_P@