case "${host}" in
*-*-linux*)
PKG_CHECK_MODULES([UDEV],[libudev],,[has_libudev="no";AC_MSG_WARN("library 'udev' is missing - adapter detection will not be available")])
case "${host}" in
*-*-linux*)
PKG_CHECK_MODULES([UDEV],[libudev],,[has_libudev="no";AC_MSG_WARN("library 'udev' is missing - adapter detection will not be available")])