+AM_CONDITIONAL([ENABLE_GUDEV], [test "x$enable_gudev" = xyes])
+
+# ------------------------------------------------------------------------------
+# keymap - map custom hardware's multimedia keys
+# ------------------------------------------------------------------------------
+AC_ARG_ENABLE([keymap],
+ AS_HELP_STRING([--disable-keymap], [disable keymap fixup support]),
+ [], [enable_keymap=yes])
+if test "x$enable_keymap" = xyes; then
+ AC_PATH_PROG([GPERF], [gperf])
+ if test -z "$GPERF"; then
+ AC_MSG_ERROR([gperf is needed])
+ fi
+
+ AC_CHECK_HEADER([linux/input.h], [:], AC_MSG_ERROR([kernel headers not found]))
+ AC_SUBST([INCLUDE_PREFIX], [$(echo '#include <linux/input.h>' | eval $ac_cpp -E - | sed -n '/linux\/input.h/ {s:.*"\(.*\)/linux/input.h".*:\1:; p; q}')])
+fi
+AM_CONDITIONAL([ENABLE_KEYMAP], [test "x$enable_keymap" = xyes])
+
+# ------------------------------------------------------------------------------
+# create_floppy_devices - historical floppy kernel device nodes (/dev/fd0h1440, ...)
+# ------------------------------------------------------------------------------
+AC_ARG_ENABLE([floppy],
+ AS_HELP_STRING([--enable-floppy], [enable legacy floppy support]),
+ [], [enable_floppy=no])
+AM_CONDITIONAL([ENABLE_FLOPPY], [test "x$enable_floppy" = xyes])
+
+# ------------------------------------------------------------------------------
+# edd_id - create /dev/disk/by-id/edd-* links for BIOS EDD data
+# ------------------------------------------------------------------------------
+AC_ARG_ENABLE([edd],
+ AS_HELP_STRING([--enable-edd], [enable disk edd support]),
+ [], [enable_edd=no])
+AM_CONDITIONAL([ENABLE_EDD], [test "x$enable_edd" = xyes])
+