diff -p -up sane-backends-1.0.19/iscan-2.10.0/configure.ac~ sane-backends-1.0.19/iscan-2.10.0/configure.ac --- sane-backends-1.0.19/iscan-2.10.0/configure.ac~ 2007-09-13 00:39:39.000000000 -0400 +++ sane-backends-1.0.19/iscan-2.10.0/configure.ac 2008-05-27 09:58:32.000000000 -0400 @@ -101,6 +101,7 @@ PKG_CHECK_MODULES(GIMP, gimp-2.0, dnl checks for libraries AC_CHECK_LIB([usb], [usb_get_busses]) +AC_CHECK_LIB([m], [floor]) AC_CHECK_LIB([sane], [sane_init])