+
+ AC_ARG_WITH(firmware-path,
+ AS_HELP_STRING([--with-firmware-path=DIR[[[:DIR[...]]]]],
+ [Firmware search path (default=/lib/firmware/updates:/lib/firmware)]),
+ [],
+ [with_firmware_path="/lib/firmware/updates:/lib/firmware"]
+ )
+ OLD_IFS=$IFS
+ IFS=:
+ for i in $with_firmware_path
+ do
+ if test "x${FIRMWARE_PATH}" = "x"
+ then
+ FIRMWARE_PATH="\\\"${i}/\\\""
+ else
+ FIRMWARE_PATH="${FIRMWARE_PATH}, \\\"${i}/\\\""
+ fi
+ done
+ IFS=$OLD_IFS
+ AC_SUBST([FIRMWARE_PATH], [$FIRMWARE_PATH])
+
+ AC_CHECK_HEADER([linux/input.h], [:], AC_MSG_ERROR([kernel headers not found]))
+ AC_SUBST([INCLUDE_PREFIX], [$(echo '#include <linux/input.h>' | eval $ac_cpp -E - | sed -n '/linux\/input.h/ {s:.*"\(.*\)/linux/input.h".*:\1:; p; q}')])