--- configure.ac.orig
+++ configure.ac
@@ -97,6 +97,14 @@ case "${host_os}" in
     devdir_default="/usr/lirc/dev/"
     use_fifos="yes"
     ;;
+  freebsd*)
+    dnl PortAudio for UNIX OSS
+    portaudio_lib_other="-lm -lpthread ${forkpty}"
+
+    dnl default devdir
+    devdir_default="/dev"
+    use_fifos="yes"
+    ;;
   *)
     dnl Unix OSS configuration
 
@@ -318,70 +326,22 @@ AH_TEMPLATE([SYSCONFDIR],
 AH_TEMPLATE([USE_SYSLOG],
 	[define if you want to log to syslog instead of logfile])
 
-if test -n "${LIBUSB_CONFIG}"; then
+AC_CHECK_FUNCS(strchrnul strnlen)
+
+AC_CHECK_HEADER(libusb.h)
+if test "$ac_cv_header_libusb_h" = yes -o -n "${LIBUSB_CONFIG}"; then
   AC_DEFINE(HAVE_LIBUSB)
   possible_drivers="${possible_drivers} (atilibusb) (awlibusb) (dfclibusb) (commandir) (srm7500libusb)" 
 fi
 
-AC_CHECK_LIB(caraca_client, caraca_init,
-  AC_DEFINE(HAVE_LIBCARACA)
-  possible_drivers="${possible_drivers} (caraca)"
-)
 AC_CHECK_HEADER(ftdi.h,
   AC_DEFINE(HAVE_FTDI)
   possible_drivers="${possible_drivers} (ftdi)"
 )
-AC_CHECK_HEADER(iguanaIR.h,
-  AC_DEFINE(HAVE_IGUANAIR)
-  possible_drivers="${possible_drivers} (iguanaIR)"
-)
 AC_CHECK_LIB(irman, ir_strerror,
   AC_DEFINE(HAVE_LIBIRMAN)
   possible_drivers="${possible_drivers} (irman)"
 )
-AC_CHECK_LIB(irman_sw, ir_strerror,
-  AC_DEFINE(HAVE_LIBIRMAN_SW)
-  possible_drivers="${possible_drivers} (irman_sw)"
-)
-dnl audio driver requires PortAudio library installed and some linker flags
-AC_CHECK_HEADERS(portaudio.h,[
-  AC_CHECK_LIB(portaudio, Pa_Initialize,[
-    AC_DEFINE(HAVE_LIBPORTAUDIO)
-    possible_drivers="${possible_drivers} (audio)"
-    ],,${portaudio_lib_other}
-  )]
-)
-dnl audio_alsa driver requires ALSA library installed and some linker flags
-have_alsa=no
-AC_CHECK_HEADERS(alsa/asoundlib.h,[
-  AC_CHECK_LIB(asound, snd_pcm_open,[
-    AC_DEFINE(HAVE_LIBALSA)
-    have_alsa=yes
-    possible_drivers="${possible_drivers} (audio_alsa)"
-    ],,
-  )]
-)
-dnl alsa_usb driver requires an ALSA that knows about our hwdep device
-if test "$have_alsa" = "yes"; then
-  AC_MSG_CHECKING(for ALSA SB RC hwdep support)
-  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
-#include <alsa/asoundlib.h>
-]], [[
-  if (snd_hwdep_info_get_iface(NULL) == SND_HWDEP_IFACE_SB_RC) {}
-]])],[
-    AC_MSG_RESULT(yes)
-    AC_DEFINE(HAVE_ALSA_SB_RC)
-    possible_drivers="${possible_drivers} (alsa_usb)"
-    ],[
-    AC_MSG_RESULT(no)
-  ])
-fi
-dnl creative_infracd driver requires linux scsi api
-AC_CHECK_HEADERS(scsi/sg.h,[
-  AC_DEFINE(HAVE_SCSI)
-  possible_drivers="${possible_drivers} (creative_infracd)"
-  ]
-)
 dnl dev_input driver requires linux input device api
 AC_CHECK_HEADERS(linux/input.h,[
   AC_DEFINE(HAVE_LINUX_DEVINPUT)
@@ -411,17 +371,18 @@ AC_CHECK_HEADERS([linux/hiddev.h],[
 #endif
 ]
 )
+dnl FreeBSD usbhid.h - patched daemons/hw_hiddev.c needs testing
+AC_CHECK_HEADERS([usbhid.h],[
+  dnl possible_drivers="${possible_drivers} (asusdh) (bw6130) (dvico) (macmini)"
+  possible_drivers="${possible_drivers} (bw6130) (dvico)"
+  ], [], []
+)
 dnl dsp driver requires linux soundcard api
 AC_CHECK_HEADERS(sys/soundcard.h,[
   AC_DEFINE(HAVE_SOUNDCARD)
   possible_drivers="${possible_drivers} (dsp)"
   ]
 )
-dnl i2cuser driver requires the Linux I2C API
-AC_CHECK_HEADERS(linux/i2c-dev.h,[
-  possible_drivers="${possible_drivers} (i2cuser)"
-  ]
-)
 
 dnl here we see what driver the user wants.