diff --git a/configure b/configure
index e817c5614..af01816fc 100755
--- a/configure
+++ b/configure
@@ -2,7 +2,7 @@
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.53 for wsjt 0.9.
 #
-# $Id: configure.ac 74 2006-01-10 04:30:03Z va3db $
+# $Id: configure.ac 75 2006-01-10 05:00:34Z va3db $
 #
 # Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002
 # Free Software Foundation, Inc.
@@ -924,7 +924,7 @@ Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
 
-$Id: configure.ac 74 2006-01-10 04:30:03Z va3db $
+$Id: configure.ac 75 2006-01-10 05:00:34Z va3db $
 _ACEOF
   exit 0
 fi
@@ -3977,6 +3977,114 @@ else
 fi
 
 
+if test "${ac_cv_header_samplerate_h+set}" = set; then
+  echo "$as_me:$LINENO: checking for samplerate.h" >&5
+echo $ECHO_N "checking for samplerate.h... $ECHO_C" >&6
+if test "${ac_cv_header_samplerate_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+echo "$as_me:$LINENO: result: $ac_cv_header_samplerate_h" >&5
+echo "${ECHO_T}$ac_cv_header_samplerate_h" >&6
+else
+  # Is the header compilable?
+echo "$as_me:$LINENO: checking samplerate.h usability" >&5
+echo $ECHO_N "checking samplerate.h usability... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+#line $LINENO "configure"
+#include "confdefs.h"
+$ac_includes_default
+#include <samplerate.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+ac_header_compiler=no
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6
+
+# Is the header present?
+echo "$as_me:$LINENO: checking samplerate.h presence" >&5
+echo $ECHO_N "checking samplerate.h presence... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+#line $LINENO "configure"
+#include "confdefs.h"
+#include <samplerate.h>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+  ac_status=$?
+  egrep -v '^ *\+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc in
+  yes:no )
+    { echo "$as_me:$LINENO: WARNING: samplerate.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: samplerate.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: samplerate.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: samplerate.h: proceeding with the preprocessor's result" >&2;};;
+  no:yes )
+    { echo "$as_me:$LINENO: WARNING: samplerate.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: samplerate.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: samplerate.h: check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: samplerate.h: check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: samplerate.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: samplerate.h: proceeding with the preprocessor's result" >&2;};;
+esac
+echo "$as_me:$LINENO: checking for samplerate.h" >&5
+echo $ECHO_N "checking for samplerate.h... $ECHO_C" >&6
+if test "${ac_cv_header_samplerate_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_samplerate_h=$ac_header_preproc
+fi
+echo "$as_me:$LINENO: result: $ac_cv_header_samplerate_h" >&5
+echo "${ECHO_T}$ac_cv_header_samplerate_h" >&6
+
+fi
+if test $ac_cv_header_samplerate_h = yes; then
+  HAS_SAMPLERATE_H=1
+else
+  HAS_SAMPLERATE_H=0
+fi
+
+
 
 echo "$as_me:$LINENO: checking whether string.h and strings.h may both be included" >&5
 echo $ECHO_N "checking whether string.h and strings.h may both be included... $ECHO_C" >&6
@@ -5661,6 +5769,27 @@ _ACEOF
 
 fi
 
+if test $HAS_SAMPLERATE_H -eq 1; then
+        cat >>confdefs.h <<\_ACEOF
+#define HAS_SAMPLERATE_H 1
+_ACEOF
+
+fi
+
+
+if test "$alsa" != yes -a "$oss" != yes -a "$portaudio" != yes; then
+	if test $HAS_PORTAUDIO_H -eq 1; then
+		set portaudio = yes;
+		echo "$as_me:$LINENO: result: Using portaudio" >&5
+echo "${ECHO_T}Using portaudio" >&6
+	elif test $HAS_ASOUNDLIB_H -eq 1; then
+		set alsa = yes;
+		echo "$as_me:$LINENO: result: Using alsa" >&5
+echo "${ECHO_T}Using alsa" >&6
+	fi
+fi
+
+
 if test "$alsa" = yes; then
 	if test $HAS_ASOUNDLIB_H -eq 0; then
 		{ { echo "$as_me:$LINENO: error: You need asoundlib.h to use --enable-alsa" >&5
@@ -5681,16 +5810,24 @@ if test "$portaudio" = yes; then
 	if test $HAS_PORTAUDIO_H -eq 0; then
 		{ { echo "$as_me:$LINENO: error: You need portaudio.h to use --enable-portaudio" >&5
 echo "$as_me: error: You need portaudio.h to use --enable-portaudio" >&2;}
+   { (exit 1); exit 1; }; }
+	fi
+	if test $HAS_SAMPLERATE_H -eq 0; then
+		{ { echo "$as_me:$LINENO: error: You need samplerate.h to use --enable-portaudio" >&5
+echo "$as_me: error: You need samplerate.h to use --enable-portaudio" >&2;}
    { (exit 1); exit 1; }; }
 	fi
 fi
 
+
 CPPFLAGS="${CPPFLAGS}"
 
 LDFLAGS="${LDFLAGS}"
 
 
 
+
+
 cat >confcache <<\_ACEOF
 # This file is a shell script that caches the results of configure
 # tests run on this system so they can be shared between configure
diff --git a/configure.ac b/configure.ac
index fec6be215..182626409 100644
--- a/configure.ac
+++ b/configure.ac
@@ -102,6 +102,7 @@ AC_CHECK_HEADERS([inttypes.h stdint.h sys/resource.h sys/param.h errno.h sys/sys
 AC_CHECK_HEADER([sys/soundcard.h], [HAS_SOUNDCARD_H=1], [HAS_SOUNDCARD_H=0])
 AC_CHECK_HEADER([alsa/asoundlib.h], [HAS_ASOUNDLIB_H=1], [HAS_ASOUNDLIB_H=0])
 AC_CHECK_HEADER([portaudio.h], [HAS_PORTAUDIO_H=1], [HAS_PORTAUDIO_H=0])
+AC_CHECK_HEADER([samplerate.h], [HAS_SAMPLERATE_H=1], [HAS_SAMPLERATE_H=0])
 
 dnl See whether we can include both string.h and strings.h.
 AC_CACHE_CHECK([whether string.h and strings.h may both be included],
@@ -250,7 +251,24 @@ if test $HAS_PORTAUDIO_H -eq 1; then
 	AC_DEFINE(HAS_PORTAUDIO_H, 1, )
 fi
 
+if test $HAS_SAMPLERATE_H -eq 1; then
+        AC_DEFINE(HAS_SAMPLERATE_H, 1, )
+fi
+
+dnl set defaults
+
+if test "$alsa" != yes -a "$oss" != yes -a "$portaudio" != yes; then
+	if test $HAS_PORTAUDIO_H -eq 1; then
+		set portaudio = yes;	
+		AC_MSG_RESULT([Using portaudio])
+	elif test $HAS_ASOUNDLIB_H -eq 1; then
+		set alsa = yes;
+		AC_MSG_RESULT([Using alsa])
+	fi
+fi
+
 dnl sanity tests.
+
 if test "$alsa" = yes; then
 	if test $HAS_ASOUNDLIB_H -eq 0; then
 		AC_MSG_ERROR([You need asoundlib.h to use --enable-alsa])
@@ -267,14 +285,21 @@ if test "$portaudio" = yes; then
 	if test $HAS_PORTAUDIO_H -eq 0; then
 		AC_MSG_ERROR([You need portaudio.h to use --enable-portaudio])
 	fi
+	if test $HAS_SAMPLERATE_H -eq 0; then
+		AC_MSG_ERROR([You need samplerate.h to use --enable-portaudio])
+	fi
 fi
 
+
 dnl 
 AC_SUBST(CPPFLAGS, "${CPPFLAGS}")
 AC_SUBST(LDFLAGS, "${LDFLAGS}")
 AC_SUBST(CFLAGS)
 
+
+
 AC_OUTPUT
+dnl do summary
 
 echo
 echo "Compiling $PACKAGE_NAME $PACKAGE_VERSION"
diff --git a/resample.c b/resample.c
index b1feb83ee..f45d1eb2f 100644
--- a/resample.c
+++ b/resample.c
@@ -1,5 +1,5 @@
 #include <stdio.h>
-#include "samplerate.h"
+#include <samplerate.h>
 
 int resample_( float din[], float dout[], double *samfac, int *jz)
 {