$OpenBSD: patch-acinclude_m4,v 1.1 2008/04/22 23:33:01 fgsch Exp $
--- acinclude.m4.orig	Tue Apr 22 18:40:13 2008
+++ acinclude.m4	Tue Apr 22 18:42:29 2008
@@ -121,9 +121,9 @@ XDT_CHECK_PACKAGE([LIBFAM], [gamin], [0.1.0],
   [
     AC_CHECK_LIB([fam], [FAMOpen],
     [
-      have_libfam="yes" LIBFAM_LIBS="-lfam"
+      have_libfam="yes" LIBFAM_LIBS="-lfam -lm"
       ac_bm_thunar_vfs_monitor_impl="FAM"
-    ])
+    ], [], [-lm])
   ])
 ])
 if test x"$have_libfam" = x"yes"; then
