--- configure.ac.iscan-2.10.0-1_fix_link	2011-12-01 02:30:53.000000000 +0100
+++ configure.ac	2011-12-23 07:11:25.448858406 +0100
@@ -168,6 +168,7 @@
 
 PKG_CHECK_MODULES(XML, libxml-2.0)
 AC_CHECK_LIB([usb], [usb_get_busses])
+AC_CHECK_LIB([m], [floor])
 AC_CHECK_LIB([sane], [sane_init])
 AC_CHECK_LIB([rt], [clock_gettime], [HAVE_LIBRT=1])