AC_CHECK_FUNCS([getrusage sched_setscheduler pthread_setschedparam])
AC_CHECK_FUNCS([sigaction snprintf])
- dnl Make sure libusb is installed; required for legacy USB
- USRP_LIBUSB([],[passed=no;AC_MSG_RESULT([Unable to find dependency libusb.])])
+ dnl Make sure libusb version is installed; required for legacy USB
+ USRP_LIBUSB([$req_libusb1],[passed=no;AC_MSG_RESULT([Unable to find dependency libusb.])])
dnl Make sure SDCC >= 2.4.0 is available.
USRP_SDCC([2.4.0],[],[passed=no;AC_MSG_RESULT([Unable to find firmware compiler SDCC.])])