usrp1: Add FX2 firmware files

These firmware files for the usrp1 are imported from
GNURadio.

18 files changed, 1716 insertions, 0 deletions

diff --git a/firmware/fx2/config/.gitignore b/firmware/fx2/config/.gitignore
new file mode 100644
index 000000000..16f775e32
--- /dev/null
+++ b/firmware/fx2/config/.gitignore
@@ -0,0 +1,15 @@
+/*.cache
+/*.la
+/*.lo
+/*.pc
+/.deps
+/.la
+/.libs
+/.lo
+/Makefile
+/Makefile.in
+/libtool.m4
+/lt~obsolete.m4
+/ltsugar.m4
+/ltversion.m4
+/ltoptions.m4
diff --git a/firmware/fx2/config/Makefile.am b/firmware/fx2/config/Makefile.am
new file mode 100644
index 000000000..487ceed1b
--- /dev/null
+++ b/firmware/fx2/config/Makefile.am
@@ -0,0 +1,49 @@
+#
+# Copyright 2001,2006,2008,2009,2010 Free Software Foundation, Inc.
+# 
+# This file is part of GNU Radio
+# 
+# GNU Radio is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+# 
+# GNU Radio is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with GNU Radio; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+# 
+
+include $(top_srcdir)/Makefile.common
+
+# Install m4 macros in this directory
+m4datadir = $(datadir)/aclocal
+
+# List your m4 macros here
+m4macros = \
+	grc_build.m4 \
+	grc_fx2.m4 \
+	gr_git.m4 \
+	gr_lib64.m4 \
+	gr_no_undefined.m4 \
+	gr_pwin32.m4 \
+	gr_python.m4 \
+	gr_require_mc4020.m4 \
+	gr_scripting.m4 \
+	gr_set_md_cpu.m4 \
+	gr_standalone.m4 \
+	lf_cc.m4 \
+	lf_cxx.m4 \
+	lf_warnings.m4 \
+	lf_x11.m4 \
+	mkstemp.m4 \
+	onceonly.m4 \
+	pkg.m4 \
+	usrp_sdcc.m4
+
+EXTRA_DIST = $(m4macros) 
diff --git a/firmware/fx2/config/gr_git.m4 b/firmware/fx2/config/gr_git.m4
new file mode 100644
index 000000000..5e8aa663b
--- /dev/null
+++ b/firmware/fx2/config/gr_git.m4
@@ -0,0 +1,58 @@
+dnl Copyright 2009,2010 Free Software Foundation, Inc.
+dnl 
+dnl This file is part of GNU Radio
+dnl 
+dnl GNU Radio is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 3, or (at your option)
+dnl any later version.
+dnl 
+dnl GNU Radio is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+dnl GNU General Public License for more details.
+dnl 
+dnl You should have received a copy of the GNU General Public License
+dnl along with GNU Radio; see the file COPYING.  If not, write to
+dnl the Free Software Foundation, Inc., 51 Franklin Street,
+dnl Boston, MA 02110-1301, USA.
+
+
+AC_DEFUN([GR_GIT],[
+  dnl Identify git binary
+  AC_PATH_PROG([GIT],[git])
+  
+  dnl If it exists, get either 'git describe' or fallback to current commit
+  if test x$GIT != x ; then
+    AC_MSG_CHECKING([existence of git version control directory])
+    if test -d $srcdir/.git ; then
+      AC_MSG_RESULT([ok])
+      AC_MSG_CHECKING([git description of current commit])
+      if (cd $srcdir && $GIT describe >/dev/null 2>&1); then
+        GIT_DESCRIBE=`cd $srcdir && $GIT describe --abbrev=8 --long`
+	GIT_TAG=`echo $GIT_DESCRIBE | cut -f 1 -d '-'`
+        GIT_SEQNO=`echo $GIT_DESCRIBE | cut -f 2 -d '-'`
+	GIT_COMMIT=`echo $GIT_DESCRIBE | cut -f 3 -d '-' | cut -f 2- -d 'g'`
+        # Release candidate tags create an extra -rcX field
+	if test x`echo $GIT_DESCRIBE | cut -f 1- -d '-' --output-delimiter=' ' | wc -w` = x4; then
+	  GIT_TAG=`echo $GIT_DESCRIBE | cut -f -2 -d '-'`
+	  GIT_SEQNO=`echo $GIT_DESCRIBE | cut -f 3 -d '-'`
+	  GIT_COMMIT=`echo $GIT_DESCRIBE | cut -f 4 -d '-' | cut -f 2- -d 'g'`
+	fi
+	AC_MSG_RESULT([$GIT_DESCRIBE])
+      else
+        AC_MSG_RESULT([unable to find, using current commit])
+	GIT_TAG=''
+	GIT_SEQNO=''
+	GIT_COMMIT=`cd $srcdir && $GIT describe --always --abbrev=8`
+      fi
+    else
+      AC_MSG_RESULT([not found])
+    fi
+
+    AC_SUBST([GIT_DESCRIBE])
+    AC_SUBST([GIT_TAG])
+    AC_SUBST([GIT_SEQNO])
+    AC_SUBST([GIT_COMMIT])
+  fi
+])
diff --git a/firmware/fx2/config/gr_lib64.m4 b/firmware/fx2/config/gr_lib64.m4
new file mode 100644
index 000000000..751f774b4
--- /dev/null
+++ b/firmware/fx2/config/gr_lib64.m4
@@ -0,0 +1,85 @@
+dnl
+dnl Copyright 2005,2008 Free Software Foundation, Inc.
+dnl 
+dnl This file is part of GNU Radio
+dnl 
+dnl GNU Radio is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 3, or (at your option)
+dnl any later version.
+dnl 
+dnl GNU Radio is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+dnl GNU General Public License for more details.
+dnl 
+dnl You should have received a copy of the GNU General Public License
+dnl along with GNU Radio; see the file COPYING.  If not, write to
+dnl the Free Software Foundation, Inc., 51 Franklin Street,
+dnl Boston, MA 02110-1301, USA.
+dnl 
+
+dnl GR_LIB64()
+dnl
+dnl Checks to see if we're on a x86_64 or powerpc64 machine, and if so, determine
+dnl if libdir should end in "64" or not.
+dnl
+dnl Sets gr_libdir_suffix to "" or "64" and calls AC_SUBST(gr_libdir_suffix)
+dnl May append "64" to libdir.
+dnl
+dnl The current heuristic is:
+dnl   if the host_cpu isn't x86_64 or powerpc64, then ""
+dnl   if the host_os isn't linux, then ""
+dnl   if we're cross-compiling, ask the linker, by way of the selected compiler
+dnl   if we're x86_64 and there's a /lib64 and it's not a symlink, then "64", else ""
+dnl   else ask the compiler
+dnl
+AC_DEFUN([GR_LIB64],[
+  AC_REQUIRE([AC_CANONICAL_HOST])
+  AC_REQUIRE([AC_PROG_CXX])
+
+  AC_MSG_CHECKING([gr_libdir_suffix])
+  gr_libdir_suffix=""
+  AC_SUBST(gr_libdir_suffix)
+
+  case "$host_os" in
+    linux*) is_linux=yes ;;
+    *)      is_linux=no  ;;
+  esac
+
+  if test "$is_linux" = no || test "$host_cpu" != "x86_64" && test "$host_cpu" != "powerpc64"; then
+    gr_libdir_suffix=""
+  elif test "$cross_compiling" = yes; then
+    _GR_LIB64_ASK_COMPILER
+  elif test "$host_cpu" = "x86_64"; then
+    if test -d /lib64 && test ! -L /lib64; then
+      gr_libdir_suffix=64
+    fi
+  else
+    _GR_LIB64_ASK_COMPILER  
+  fi
+  AC_MSG_RESULT([$gr_libdir_suffix])
+
+
+  AC_MSG_CHECKING([whether to append 64 to libdir])
+  t=${libdir##*/lib}
+  if test "$t" != 64 && test "$gr_libdir_suffix" = "64"; then
+    libdir=${libdir}64
+    AC_MSG_RESULT([yes. Setting libdir to $libdir])
+  else
+    AC_MSG_RESULT([no])
+  fi
+])
+
+dnl If we're using g++, extract the first SEARCH_DIR("...") entry from the linker script
+dnl and see if it contains a suffix after the final .../lib part of the path.
+dnl (This works because the linker script varies depending on whether we're generating
+dnl 32-bit or 64-bit executables)
+dnl
+AC_DEFUN([_GR_LIB64_ASK_COMPILER],[
+  if test "$ac_cv_cxx_compiler_gnu" = "yes";
+  then
+    gr_libdir_suffix=`$CXX -Wl,--verbose 2>/dev/null | sed -n -e '/SEARCH_DIR/{s/;.*$//; s,^.*/,,; s/".*$//; s/^lib//; p}'`
+  fi
+])
+
diff --git a/firmware/fx2/config/gr_no_undefined.m4 b/firmware/fx2/config/gr_no_undefined.m4
new file mode 100644
index 000000000..c8d745d5f
--- /dev/null
+++ b/firmware/fx2/config/gr_no_undefined.m4
@@ -0,0 +1,44 @@
+dnl
+dnl Copyright 2005 Free Software Foundation, Inc.
+dnl 
+dnl This file is part of GNU Radio
+dnl 
+dnl GNU Radio is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 3, or (at your option)
+dnl any later version.
+dnl 
+dnl GNU Radio is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+dnl GNU General Public License for more details.
+dnl 
+dnl You should have received a copy of the GNU General Public License
+dnl along with GNU Radio; see the file COPYING.  If not, write to
+dnl the Free Software Foundation, Inc., 51 Franklin Street,
+dnl Boston, MA 02110-1301, USA.
+dnl 
+
+# GR_NO_UNDEFINED()
+#
+# Detemine whether we need to use the -no-undefined linker flag
+# when building shared libraries.  
+# Sets NO_UNDEFINED to "" or "-no-undefined"
+# 
+# As far as I can tell, we need -no-undefined only when building
+# windows DLLs.  This occurs when using MinGW and Cygwin.
+#
+# For now, we stub this out.
+
+AC_DEFUN([GR_NO_UNDEFINED],[
+	AC_REQUIRE([AC_CANONICAL_HOST])
+	no_undefined=""
+	case "${host_os}" in
+		*mingw* | *cygwin*)
+
+		# on MinGW/Cygwin extra LDFLAGS are required
+		no_undefined="-no-undefined"
+		;;
+	esac
+	AC_SUBST(NO_UNDEFINED,[$no_undefined])
+])
diff --git a/firmware/fx2/config/gr_pwin32.m4 b/firmware/fx2/config/gr_pwin32.m4
new file mode 100644
index 000000000..495e9dd4d
--- /dev/null
+++ b/firmware/fx2/config/gr_pwin32.m4
@@ -0,0 +1,149 @@
+# Check for (mingw)win32 POSIX replacements.             -*- Autoconf -*-
+
+# Copyright 2003,2004,2005 Free Software Foundation, Inc.
+# 
+# This file is part of GNU Radio
+# 
+# GNU Radio is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+# 
+# GNU Radio is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with GNU Radio; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+
+
+AC_DEFUN([GR_PWIN32],
+[
+AC_REQUIRE([AC_HEADER_TIME])
+AC_CHECK_HEADERS([sys/types.h fcntl.h io.h])
+AC_CHECK_HEADERS([windows.h])
+AC_CHECK_HEADERS([winioctl.h winbase.h], [], [], [
+	#if HAVE_WINDOWS_H
+	#include <windows.h>
+	#endif
+])
+
+AC_CHECK_FUNCS([getopt usleep gettimeofday nanosleep rand srand random srandom sleep sigaction])
+AC_CHECK_TYPES([struct timezone, struct timespec, ssize_t],[],[],[
+     #if HAVE_SYS_TYPES_H
+     # include <sys/types.h>
+     #endif
+     #if TIME_WITH_SYS_TIME
+     # include <sys/time.h>
+     # include <time.h>
+     #else
+     # if HAVE_SYS_TIME_H
+     #  include <sys/time.h>
+     # else
+     #  include <time.h>
+     # endif
+     #endif
+])
+
+dnl Checks for replacements
+AC_REPLACE_FUNCS([getopt usleep gettimeofday])
+
+
+AC_MSG_CHECKING(for Sleep)
+AC_TRY_LINK([   #include <windows.h>
+                #include <winbase.h>
+                ], [ Sleep(0); ],
+                [AC_DEFINE(HAVE_SSLEEP,1,[Define to 1 if you have win32 Sleep])
+                AC_MSG_RESULT(yes)],
+                AC_MSG_RESULT(no)
+                )
+
+dnl Under Win32, mkdir prototype in io.h has only one arg
+AC_MSG_CHECKING(whether mkdir accepts only one arg)
+AC_TRY_COMPILE([#include <sys/types.h>
+       #include <sys/stat.h>
+       #include <fcntl.h>], [
+       mkdir("")
+ ], [ AC_MSG_RESULT(yes)
+     AC_DEFINE(MKDIR_TAKES_ONE_ARG,[],[Define if mkdir accepts only one arg]) ],
+ [ AC_MSG_RESULT(no)
+ ])
+
+AH_BOTTOM(
+[
+/* Define missing prototypes, implemented in replacement lib */
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#ifndef HAVE_GETOPT
+int getopt (int argc, char * const argv[], const char * optstring);
+extern char * optarg;
+extern int optind, opterr, optopt;
+#endif
+
+#ifndef HAVE_USLEEP
+int usleep(unsigned long usec);	/* SUSv2 */
+#endif
+
+#ifndef HAVE_NANOSLEEP
+#ifndef HAVE_STRUCT_TIMESPEC
+#if HAVE_SYS_TYPES_H
+# include <sys/types.h>	/* need time_t */
+#endif
+struct timespec {
+	time_t	tv_sec;
+	long	tv_nsec;
+};
+#endif
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+static inline int nanosleep(const struct timespec *req, struct timespec *rem) { return usleep(req->tv_sec*1000000+req->tv_nsec/1000); }
+#endif
+
+#if defined(HAVE_SSLEEP) && !defined(HAVE_SLEEP)
+#ifdef HAVE_WINBASE_H
+#include <windows.h>
+#include <winbase.h>
+#endif
+/* TODO: what about SleepEx? */
+static inline unsigned int sleep (unsigned int nb_sec) { Sleep(nb_sec*1000); return 0; }
+#endif
+
+#ifndef HAVE_GETTIMEOFDAY
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#ifndef HAVE_STRUCT_TIMEZONE
+struct timezone {
+        int  tz_minuteswest;
+	int  tz_dsttime;
+};
+#endif
+int gettimeofday(struct timeval *tv, struct timezone *tz);
+#endif
+
+#if !defined(HAVE_RANDOM) && defined(HAVE_RAND)
+#include <stdlib.h>
+static inline long int random (void) { return rand(); }
+#endif
+
+#if !defined(HAVE_SRANDOM) && defined(HAVE_SRAND)
+static inline void srandom (unsigned int seed) { srand(seed); }
+#endif
+
+#ifndef HAVE_SSIZE_T
+typedef size_t ssize_t;
+#endif
+
+#ifdef  __cplusplus
+}
+#endif
+])
+
+
+])
diff --git a/firmware/fx2/config/gr_python.m4 b/firmware/fx2/config/gr_python.m4
new file mode 100644
index 000000000..43ccfc015
--- /dev/null
+++ b/firmware/fx2/config/gr_python.m4
@@ -0,0 +1,172 @@
+dnl
+dnl Copyright 2003,2004,2005 Free Software Foundation, Inc.
+dnl 
+dnl This file is part of GNU Radio
+dnl 
+dnl GNU Radio is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 3, or (at your option)
+dnl any later version.
+dnl 
+dnl GNU Radio is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+dnl GNU General Public License for more details.
+dnl 
+dnl You should have received a copy of the GNU General Public License
+dnl along with GNU Radio; see the file COPYING.  If not, write to
+dnl the Free Software Foundation, Inc., 51 Franklin Street,
+dnl Boston, MA 02110-1301, USA.
+dnl 
+
+# PYTHON_DEVEL()
+#
+# Checks for Python and tries to get the include path to 'Python.h'.
+# It sets the $(PYTHON_CPPFLAGS), $(PYTHON_LDFLAGS) and $(pythondir) output variables,
+#
+AC_DEFUN([PYTHON_DEVEL],[
+	AC_REQUIRE([AM_PATH_PYTHON])
+	AC_REQUIRE([AC_CANONICAL_HOST])
+
+	AC_ARG_WITH(pythondir,
+                    AC_HELP_STRING([--with-pythondir=DIR], 
+                       [python installation directory (cross-compiling) [[default=$prefix/lib/python2.5/site-packages]]]),
+		    [with_pythondir=${withval}],[with_pythondir=${prefix}/lib/python2.5/site-packages])
+
+	# if we're cross-compiling, asking the host python about any of
+	# this is completely useless...
+
+	if test x$cross_compiling != xno
+	then
+		pythondir=$with_pythondir
+		pyexecdir=$with_pythondir
+		AC_SUBST(PYTHON_CPPFLAGS)
+		AC_SUBST(PYTHON_LDFLAGS)
+        else
+
+	    # For Fedora Core 5 and 6, see ticket:39 in Trac
+	    if test -f '/etc/redhat-release'; then
+		    if  (echo $pyexecdir | grep -q lib64); then
+			    pythondir="$pyexecdir"
+		    fi
+	    fi
+
+	    # Check for Python include path
+	    AC_MSG_CHECKING([for Python include path])
+	    if test -z "$PYTHON" ; then
+		    AC_MSG_ERROR([cannot find Python path])
+	    fi
+
+	    # ask distutils which include path we should use
+	    python_cmd='
+import distutils.sysconfig
+import os
+path = distutils.sysconfig.get_python_inc(plat_specific=False)
+if os.sep == "\\":
+  path = path.replace("\\", "/")
+print path
+'
+	    python_path=`$PYTHON -c "$python_cmd"`
+	    AC_MSG_RESULT([$python_path])
+	    if test -z "$python_path" ; then
+		    AC_MSG_ERROR([cannot find Python include path])
+	    fi
+
+	    AC_SUBST(PYTHON_CPPFLAGS,[-I$python_path])
+
+	    # Check for Python headers usability
+	    python_save_CPPFLAGS=$CPPFLAGS
+	    CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
+	    AC_CHECK_HEADERS([Python.h], [],
+			    [AC_MSG_ERROR([cannot find usable Python headers])])
+	    CPPFLAGS="$python_save_CPPFLAGS"
+
+	    # Only set this on mingw and cygwin hosts, (only implemented
+	    # for mingw host, for crosscompiling you need to trick this)
+
+	    PYTHON_LDFLAGS=""
+	    case $host_os in
+		 *mingw* | *cygwin* )
+	      AC_MSG_CHECKING([for Python LDFLAGS])
+
+	    python_cmd='
+import distutils.sysconfig
+import os
+path = distutils.sysconfig.get_config_var("LIBPL")
+if path == None:
+  path = distutils.sysconfig.PREFIX + "/libs"
+if os.sep == "\\":
+  path = path.replace("\\", "/")
+print path
+'
+	      python_stdlib_path=`$PYTHON -c "$python_cmd"`
+
+	      python_version_nodot=`echo $PYTHON_VERSION | sed "s,\.,,"`
+	      libpython_name="python$PYTHON_VERSION"
+
+	      # Standard install of python for win32 has libpython24.a
+	      # instead of libpython2.4.a so we check for the library
+	      # without the dot in the version number.
+
+	      python_stdlib_filename=`find $python_stdlib_path -type f -name libpython$python_version_nodot.* -print | sed "1q"`
+	      if test -n "$python_stdlib_filename" ; then
+		    libpython_name="python$python_version_nodot"
+	      fi
+
+	      PYTHON_LDFLAGS="-L$python_stdlib_path -l$libpython_name"
+	      AC_MSG_RESULT($PYTHON_LDFLAGS) 
+	      # Replace all backslashes in PYTHON Paths with forward slashes
+	      pythondir=`echo $pythondir |sed 's,\\\\,/,g'`
+	      pkgpythondir=`echo $pkgpythondir |sed 's,\\\\,/,g'`
+	      pyexecdir=`echo $pyexecdir |sed 's,\\\\,/,g'`
+	      pkgpyexecdir=`echo $pkgpyexecdir |sed 's,\\\\,/,g'`
+	      ;;
+	    esac
+
+	    case $host_os in
+		 *mingw* )
+	      # Python 2.5 requires ".pyd" instead of ".dll" for extensions
+	      PYTHON_LDFLAGS="-shrext .pyd ${PYTHON_LDFLAGS}"
+	    esac
+
+	    AC_SUBST(PYTHON_LDFLAGS)
+	fi
+])
+
+# PYTHON_CHECK_MODULE
+#
+# Determines if a particular Python module can be imported
+#
+# $1 - module name
+# $2 - module description
+# $3 - action if found
+# $4 - action if not found
+# $5 - test command
+
+AC_DEFUN([PYTHON_CHECK_MODULE],[
+    AC_MSG_CHECKING([for $2])
+    dnl ########################################
+    dnl # import and test checking
+    dnl ########################################
+    if test "$5"; then
+        python_cmd='
+try:
+    import $1
+    assert $5
+except: exit(1)'
+    dnl ########################################
+    dnl # import checking only
+    dnl ########################################
+    else
+        python_cmd='
+try: import $1
+except: exit(1)'
+    fi
+    if ! $PYTHON -c "$python_cmd" 2> /dev/null; then
+        AC_MSG_RESULT([no])
+        $4
+    else
+        AC_MSG_RESULT([yes])
+        $3
+    fi
+])
diff --git a/firmware/fx2/config/gr_scripting.m4 b/firmware/fx2/config/gr_scripting.m4
new file mode 100644
index 000000000..2803e975f
--- /dev/null
+++ b/firmware/fx2/config/gr_scripting.m4
@@ -0,0 +1,26 @@
+dnl
+dnl Copyright 2003 Free Software Foundation, Inc.
+dnl 
+dnl This file is part of GNU Radio
+dnl 
+dnl GNU Radio is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 3, or (at your option)
+dnl any later version.
+dnl 
+dnl GNU Radio is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+dnl GNU General Public License for more details.
+dnl 
+dnl You should have received a copy of the GNU General Public License
+dnl along with GNU Radio; see the file COPYING.  If not, write to
+dnl the Free Software Foundation, Inc., 51 Franklin Street,
+dnl Boston, MA 02110-1301, USA.
+dnl 
+
+AC_DEFUN([GR_SCRIPTING],[
+  AC_REQUIRE([AC_PROG_LN_S])
+  AC_REQUIRE([AC_PROG_CXX])
+  AC_REQUIRE([AC_PROG_LIBTOOL])
+])
diff --git a/firmware/fx2/config/gr_standalone.m4 b/firmware/fx2/config/gr_standalone.m4
new file mode 100644
index 000000000..370f7fb03
--- /dev/null
+++ b/firmware/fx2/config/gr_standalone.m4
@@ -0,0 +1,116 @@
+dnl
+dnl Copyright 2008 Free Software Foundation, Inc.
+dnl 
+dnl This file is part of GNU Radio
+dnl 
+dnl GNU Radio is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 3, or (at your option)
+dnl any later version.
+dnl 
+dnl GNU Radio is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+dnl GNU General Public License for more details.
+dnl 
+dnl You should have received a copy of the GNU General Public License along
+dnl with this program; if not, write to the Free Software Foundation, Inc.,
+dnl 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+dnl
+
+dnl
+dnl GR_STANDALONE([package],[version])
+dnl
+dnl Handles the bulk of the configure.ac work for an out-of-tree build
+dnl
+dnl N.B., this is an m4_define because if it were an AC_DEFUN it would
+dnl get called too late to be useful.
+
+m4_define([GR_STANDALONE],
+[
+  AC_INIT([$1],[$2])
+  AC_PREREQ(2.57)
+  AC_CONFIG_SRCDIR([config/gr_standalone.m4])
+  AC_CONFIG_AUX_DIR([.])	
+  AM_CONFIG_HEADER(config.h)
+
+  AC_CANONICAL_BUILD
+  AC_CANONICAL_HOST
+  AC_CANONICAL_TARGET
+
+  AM_INIT_AUTOMAKE
+
+  LF_CONFIGURE_CC
+  LF_CONFIGURE_CXX
+  GR_LIB64		dnl check for lib64 suffix after choosing compilers
+
+  dnl add ${prefix}/lib${gr_libdir_suffix}/pkgconfig to the head of the PKG_CONFIG_PATH
+  if test x${PKG_CONFIG_PATH} = x; then
+      PKG_CONFIG_PATH=${prefix}/lib${gr_libdir_suffix}/pkgconfig
+  else
+      PKG_CONFIG_PATH=${prefix}/lib${gr_libdir_suffix}/pkgconfig:${PKG_CONFIG_PATH}
+  fi
+  export PKG_CONFIG_PATH
+
+  LF_SET_WARNINGS
+  GR_SET_GPROF
+  GR_SET_PROF
+  AM_PROG_AS
+  AC_PROG_LN_S
+  AC_PROG_MAKE_SET
+  AC_PROG_INSTALL
+  AC_PATH_PROG([RM_PROG], [rm])
+
+  AC_LIBTOOL_WIN32_DLL
+  AC_ENABLE_SHARED	dnl do build shared libraries
+  AC_DISABLE_STATIC	dnl don't build static libraries
+  m4_ifdef([LT_INIT],[LT_INIT],[AC_PROG_LIBTOOL])
+  dnl GR_FORTRAN
+
+  GR_NO_UNDEFINED	dnl do we need the -no-undefined linker flag
+  GR_SCRIPTING		dnl Locate python, SWIG, etc
+
+  AC_ARG_WITH([python],
+    AC_HELP_STRING([--with-python], [Should we use python? [[default=yes]]]),
+    [case "$with_python" in
+      (no | yes) ;;
+      (*) AC_MSG_ERROR([Invalid argument ($with_python) to --with-python]) ;;
+     esac],
+    [with_python=yes])
+
+  AM_CONDITIONAL([USE_PYTHON], [test "$with_python" = yes])
+
+
+  dnl Set the c++ compiler that we use for the build system when cross compiling
+  if test "x$CXX_FOR_BUILD" = x
+  then
+    CXX_FOR_BUILD=${CXX}
+  fi
+  AC_SUBST(CXX_FOR_BUILD)
+
+  dnl Checks for header files.
+  AC_HEADER_STDC
+
+  dnl Checks for typedefs, structures, and compiler characteristics.
+  AC_C_CONST
+  AC_C_INLINE
+  AC_TYPE_SIZE_T
+  AC_HEADER_TIME
+  AC_C_BIGENDIAN
+
+  dnl Check for Mingw support
+  GR_PWIN32
+
+  AC_CHECK_PROG([XMLTO],[xmlto],[yes],[])
+  AM_CONDITIONAL([HAS_XMLTO], [test x$XMLTO = xyes])
+
+  dnl Define where to look for cppunit includes and libs
+  dnl sets CPPUNIT_CFLAGS and CPPUNIT_LIBS
+  dnl Try using pkg-config first, then fall back to cppunit-config.
+  PKG_CHECK_EXISTS(cppunit,
+    [PKG_CHECK_MODULES(CPPUNIT, cppunit >= 1.9.14)],
+    [AM_PATH_CPPUNIT([1.9.14],[],
+		     [AC_MSG_ERROR([GNU Radio requires cppunit.  Stop])])])
+
+  PKG_CHECK_MODULES(GNURADIO_CORE, gnuradio-core >= 3)
+])
diff --git a/firmware/fx2/config/grc_build.m4 b/firmware/fx2/config/grc_build.m4
new file mode 100644
index 000000000..77b59db6b
--- /dev/null
+++ b/firmware/fx2/config/grc_build.m4
@@ -0,0 +1,287 @@
+dnl Copyright 2006,2008,2009 Free Software Foundation, Inc.
+dnl 
+dnl This file is part of GNU Radio
+dnl 
+dnl GNU Radio is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 3, or (at your option)
+dnl any later version.
+dnl 
+dnl GNU Radio is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+dnl GNU General Public License for more details.
+dnl 
+dnl You should have received a copy of the GNU General Public License
+dnl along with GNU Radio; see the file COPYING.  If not, write to
+dnl the Free Software Foundation, Inc., 51 Franklin Street,
+dnl Boston, MA 02110-1301, USA.
+
+dnl Create --enable-foo argument for named component, create variables as needed
+dnl $1 is component name
+AC_DEFUN([GRC_ENABLE], [
+    _GRC_ENABLE($1,m4_bpatsubst($1,-,_))
+])
+dnl $2 is the '_'d component name
+dnl on exit variable enable_$2 will be set to [yes|no];
+dnl         passed will be [yes|no] (same as enable_$2)
+
+AC_DEFUN([_GRC_ENABLE],[
+    passed=yes
+    AC_ARG_ENABLE([$1],
+		  AC_HELP_STRING([--enable-$1],
+				 [Stop if $1 fails configuration]),
+		  [],[
+        [enable_]$2=$enable_all_components
+        if test x$enable_all_components = xno; then
+            passed=no
+        fi
+    ])
+])
+dnl Component specific configuration
+dnl The order of the GR_ macros determines the order of compilation
+dnl For -any- checks on $enable_all_components
+dnl use the following guildlines:
+dnl   yes : --enable-all-components was specified, so error out if any
+dnl         components do not pass configuration checks.
+dnl   no  : --disable-all-components was specified, so try to build the
+dnl         --enable'd components, and error out if any do not pass
+dnl         configuration checks.
+dnl   ""  : this option was not specified on the command line; try to
+dnl         build all components that are not --with'd, but don't
+dnl         error out if any component does not pass configuration checks.
+dnl
+dnl For each --enable-foo component, if that flag is not specified on
+dnl the command line, the related variable $enable_foo will be set to
+dnl $enable_all_components .
+
+dnl Create --with-foo argument for named compoment, create variables as needed
+dnl $1 is component name
+dnl $2 is what to do on success
+dnl $3 is the PKG_CONFIG name; if not given, then $1
+AC_DEFUN([GRC_WITH], [
+    if test [x]$3 = x; then
+        pc_comp_name="$1"
+    else
+        pc_comp_name="$3"
+    fi
+    _GRC_WITH($1,[$2],${pc_comp_name},m4_bpatsubst($1,-,_))
+])
+dnl $3 is the pkg-config component name
+dnl $4 is the '_'d component name
+dnl on exit variable passed will be [yes|no|with]:
+dnl   yes: if --enable-$1 and/or --enable-all-components was specified,
+dnl        but --with was not;
+dnl   with: if --with-$1 was specified, and passed checks;
+dnl   no: all other conditions
+AC_DEFUN([_GRC_WITH],[
+    AC_ARG_WITH([$1],
+	        AC_HELP_STRING([--with-$1@<:@=PATH@:>@],
+	 		       [Use package $1 if installed in PATH (if specified) or PKG_CONFIG_PATH (if PATH not specified); stop if $1 not found]),
+                [if test "x$withval" != "xyes"; then
+		    [with_]$4[_val]=$withval
+		    [with_]$4=yes
+		 fi],
+	        [])
+    if test x$[with_]$4 = xyes; then
+        if test x$[enable_]$4 = xyes; then
+	    AC_MSG_ERROR([Component $1: Cannot use both --enable and --with])
+        else
+	    _GRC_WITH_PKG_CONFIG_CHECK($1,$3,$4)
+	    ifelse([$2], , :, [$2])
+        fi
+    fi
+])
+
+dnl Use 'pkgconfig' to check for a package
+dnl $1 is the --with component name
+dnl $2 is the pkg-config component name, if provided; otherwise use $1 for this
+dnl on success, resulting INCLUDES, INCLUDEDIR, LA, and LIBDIRPATH variables
+dnl will be set; on failure, will exit with an error.
+AC_DEFUN([GRC_WITH_PKG_CONFIG_CHECK], [
+    if test [x]$2 = x; then
+        pc_comp_name="$1"
+    else
+        pc_comp_name="$2"
+    fi
+    _GRC_WITH_PKG_CONFIG_CHECK($1,${pc_comp_name},m4_bpatsubst($1,-,_))
+])
+dnl $2 is the pkg-config component name
+dnl $3 is the '_'d component name
+AC_DEFUN([_GRC_WITH_PKG_CONFIG_CHECK],[
+    dnl save PKG_CONFIG_PATH, restore at the end
+    s_PKG_CONFIG_PATH=$PKG_CONFIG_PATH
+
+    dnl create the PKG_CONFIG_PATH, via this component arg, if provided;
+    dnl else use the environment PKG_CONFIG_PATH
+    l_PKG_CONFIG_PATH=$[with_]$3[_val]
+    if test "x$l_PKG_CONFIG_PATH" != "x"; then
+        export PKG_CONFIG_PATH=$l_PKG_CONFIG_PATH
+
+        dnl verify that the file exists; if not, no point in continuing
+        if ! test -r ${l_PKG_CONFIG_PATH}/$2[.pc]; then
+	    AC_MSG_ERROR([Component $1: PKGCONFIG cannot find info for $2, with provided PKG_CONFIG_PATH = @<:@ $l_PKG_CONFIG_PATH @:>@ .])
+        fi
+    fi
+
+    dnl do the check; error out if not found
+    PKG_CHECK_EXISTS($2, [passed=with; check1=yes], [
+        check1=no
+        dnl pkg-config returned an error; this might be that the .pc
+	dnl file was not valid, or the Requires: were not met.
+	dnl If the arg was provided and the input PKG_CONFIG_PATH , then try
+	dnl again appending the whole PKG_CONFIG_PATH.
+	if test "x$l_PKG_CONFIG_PATH" != "x"; then
+            if test "x$s_PKG_CONFIG_PATH" != "x"; then
+                export PKG_CONFIG_PATH=${PKG_CONFIG_PATH}:${s_PKG_CONFIG_PATH}
+	        PKG_CHECK_EXISTS($2, passed=with, passed=no)
+            fi
+        fi
+        if test $passed != with; then
+            AC_MSG_ERROR([Component $1: PKGCONFIG cannot find info for $2, with PKG_CONFIG_PATH = @<:@ $PKG_CONFIG_PATH @:>@ .])
+        fi
+        dnl pkg-config Requires are now met; save the new PKG_CONFIG_PATH
+        s_PKG_CONFIG_PATH=$PKG_CONFIG_PATH
+    ])
+
+    dnl if PKG_CHECK_EXISTS returned, then this component's .pc file was
+    dnl found in the provided 'arg' PKG_CONFIG_PATH;
+    dnl retrieve various parameters
+    $3[_INCLUDES]=`$PKG_CONFIG --cflags-only-I $2`
+    $3[_LA]=`$PKG_CONFIG --libs $2`
+    $3[_INCLUDEDIR]=`$PKG_CONFIG --variable=includedir $2`
+
+    if test x$check1 = xyes; then
+        dnl prepend the args PKG_CONFIG_PATH to the saved one, if the
+	dnl saved version was not empty
+        if test "x$s_PKG_CONFIG_PATH" != "x"; then
+            export PKG_CONFIG_PATH=${PKG_CONFIG_PATH}:${s_PKG_CONFIG_PATH}
+        fi
+    fi
+])
+
+dnl Check the $prefix versus the --with libdirpath for this component
+dnl $1 is the prefix
+dnl $2 is the --with component name
+dnl $3 is the --with component library path
+AC_DEFUN([GRC_PREFIX_LDFLAGS],[
+    $2[_LIBDIRPATH]=$3
+    dnl create LDFLAGS for this --with, if different from the provided $prefix
+    if test [x]$1[/lib] != [x]$3; then
+        $2[_LDFLAG]=[-L]$3
+    else
+        $2[_LDFLAG]=
+    fi
+])
+
+dnl Check to make sure this dependency is fulfilled for this component
+dnl $1 is the component's name
+dnl $2 is the component dependency name
+dnl On input and exit, $passed will be:
+dnl   with : if --with passed muster
+dnl   yes  : if --enable passed muster
+dnl   no   : otherwise
+dnl If trying --with, will error-out if any dependency was not --with'd
+AC_DEFUN([GRC_CHECK_DEPENDENCY],[
+dnl    f0=[enable_]m4_bpatsubst($1,-,_)
+dnl    f1=[$enable_]m4_bpatsubst($1,-,_)
+dnl    echo
+dnl    echo "$1 : Checking Dependency $2"
+dnl    echo "$1 : enable_all_components is '$enable_all_components'"
+dnl    echo "$1 : $f0 is '$f1'"
+dnl    echo "$1 : passed is '$passed'"
+dnl    echo
+    if test $passed != no; then
+        if test $passed = yes; then
+            dnl make sure this dependency was not skipped
+            if test [x$]m4_bpatsubst($2,-,_)[_skipped] = xyes; then
+                AC_MSG_RESULT([Component $1 requires $2, which is not being built or specified via pre-installed files.])
+                passed=no
+            fi
+        else
+            dnl make sure this dependency was --with'd only; not --enable'd
+            if test [x$]m4_bpatsubst($2,-,_)[_with] = xno; then
+                AC_MSG_ERROR([Component $1 requires $2 to be included as --with-$2@<:@=arg@:>@])
+            fi
+        fi
+    fi
+])
+
+dnl Check to make sure GUILE is available
+dnl $1 is the component name
+AC_DEFUN([GRC_CHECK_GUILE],[
+    if test x"$GUILE" = x; then
+        AC_MSG_RESULT([Component $1 requires guile, which was not found.])
+        passed=no
+    fi
+])
+
+dnl Add the specified "with" list; clear the provided variable
+dnl $1 is the component name
+dnl $2 is the path list name suffix
+dnl $3 is the separator (for paths, ":"; for includes " ")
+AC_DEFUN([GRC_ADD_TO_LIST],[
+    if test "x${$1[_]$2}" != "x"; then
+        if test "x$[with_]$2" = "x"; then
+            [with_]$2="${$1[_]$2}"
+	else
+	    [with_]$2="${$1[_]$2}"$3"$[with_]$2"
+	fi
+	$1[_]$2=
+    fi
+])
+
+dnl Conditionally build named component.
+dnl $1 is component name
+dnl $2 is executed if configuration passes and build is desired
+AC_DEFUN([GRC_BUILD_CONDITIONAL],[
+    _GRC_BUILD_CONDITIONAL($1, $2, m4_bpatsubst($1,-,_))
+])
+dnl $3=m4_bpatsubst($1,-,_)
+dnl Use $passed=no to indicate configuration failure;
+dnl Use $passed=with to indicate the use of pre-installed libraries and headers;
+dnl Any other value of $passed, including blank, assumes success;
+dnl Defines $3_with=[yes|no] depending on if $passed=with or not (respectively)
+dnl Defines $3_skipped=[yes|no] depending on if $passed=no or not (respectively)
+AC_DEFUN([_GRC_BUILD_CONDITIONAL],[
+    $3[_with]=no
+    if test $passed = no; then
+	if test x$[enable_]$3 = xyes; then
+	    AC_MSG_ERROR([Component $1 has errors; stopping.])
+	else
+	    AC_MSG_RESULT([Not building component $1.])
+	fi
+    else
+        if test $passed = with; then
+	    with_dirs="$with_dirs $1"
+	    GRC_ADD_TO_LIST($3, INCLUDES, " ")
+	    GRC_ADD_TO_LIST($3, SWIG_INCLUDES, " ")
+	    GRC_ADD_TO_LIST($3, PYDIRPATH, ":")
+	    GRC_ADD_TO_LIST($3, SWIGDIRPATH, ":")
+	    GRC_ADD_TO_LIST($3, LIBDIRPATH, ":")
+	    AC_MSG_RESULT([Component $1 will be included from a pre-installed library and includes.])
+	    $3[_with]=yes
+	else
+	    $3[_LDFLAG]=
+            if test x$[enable_]$3 != xno; then
+	        ifelse([$2], , :, [$2])
+	        build_dirs="$build_dirs $1"
+	        AC_MSG_RESULT([Component $1 passed configuration checks; building.])
+            else
+	        passed=no
+	        AC_MSG_RESULT([Component $1 passed configuration checks; but not building.])
+	    fi
+	fi
+    fi
+    if test $passed = no; then
+        skipped_dirs="$skipped_dirs $1"
+        $3[_skipped]=yes
+    else
+        $3[_skipped]=no
+    fi
+    AC_SUBST($3[_INCLUDES])
+    AC_SUBST($3[_LA])
+    AC_SUBST($3[_INCLUDEDIR])
+    AC_SUBST($3[_LIBDIRPATH])
+    AC_SUBST($3[_LDFLAG])
+])
diff --git a/firmware/fx2/config/grc_fx2.m4 b/firmware/fx2/config/grc_fx2.m4
new file mode 100644
index 000000000..00a41c973
--- /dev/null
+++ b/firmware/fx2/config/grc_fx2.m4
@@ -0,0 +1,58 @@
+dnl Copyright 2001,2002,2003,2004,2005,2006,2007,2008,2009 Free Software Foundation, Inc.
+dnl 
+dnl This file is part of GNU Radio
+dnl 
+dnl GNU Radio is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 3, or (at your option)
+dnl any later version.
+dnl 
+dnl GNU Radio is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+dnl GNU General Public License for more details.
+dnl 
+dnl You should have received a copy of the GNU General Public License
+dnl along with GNU Radio; see the file COPYING.  If not, write to
+dnl the Free Software Foundation, Inc., 51 Franklin Street,
+dnl Boston, MA 02110-1301, USA.
+
+AC_DEFUN([GRC_FX2],[
+    GRC_ENABLE(usrp)
+
+    GRC_WITH(usrp)
+
+    dnl If execution gets to here, $passed will be:
+    dnl   with : if the --with code didn't error out
+    dnl   yes  : if the --enable code passed muster and all dependencies are met
+    dnl   no   : otherwise
+    if test $passed = yes; then
+        dnl gnulib.
+        dnl FIXME: this needs to fail gracefully and continue, not implemented yet
+        UTILS_FUNC_MKSTEMP
+
+        dnl These checks don't fail
+        AC_C_BIGENDIAN
+        AC_CHECK_HEADERS([byteswap.h linux/compiler.h])
+        AC_CHECK_FUNCS([getrusage sched_setscheduler pthread_setschedparam])
+        AC_CHECK_FUNCS([sigaction snprintf])
+
+	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.])])
+    fi
+    if test $passed != with; then
+	dnl how and where to find INCLUDES and LA
+	usrp_INCLUDES=" \
+		-I\${abs_top_srcdir}/include"
+    fi
+
+    AC_CONFIG_FILES([ \
+        include/Makefile \
+        lib/Makefile \
+        src/Makefile \
+        src/common/Makefile \
+        src/usrp1/Makefile \
+    ])
+
+    GRC_BUILD_CONDITIONAL(usrp)
+])
diff --git a/firmware/fx2/config/lf_cc.m4 b/firmware/fx2/config/lf_cc.m4
new file mode 100644
index 000000000..b75e1a4c5
--- /dev/null
+++ b/firmware/fx2/config/lf_cc.m4
@@ -0,0 +1,41 @@
+dnl Autoconf support for C++
+dnl Copyright (C) 1988 Eleftherios Gkioulekas <lf@amath.washington.edu>
+dnl  
+dnl This program is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 3 of the License, or
+dnl (at your option) any later version.
+dnl 
+dnl This program is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+dnl GNU General Public License for more details.
+dnl 
+dnl You should have received a copy of the GNU General Public License
+dnl along with this program; if not, write to the Free Software 
+dnl Foundation, Inc., 51 Franklin Street, Boston, MA 02110-1301, USA.
+dnl 
+dnl As a special exception to the GNU General Public License, if you 
+dnl distribute this file as part of a program that contains a configuration 
+dnl script generated by Autoconf, you may include it under the same 
+dnl distribution terms that you use for the rest of that program.
+
+# -------------------------------------------------------------------------
+# Use this macro to configure your C compiler
+# When called the macro does the following things:
+# 1. It finds an appropriate C compiler.
+#    If you passed the flag --with-cc=foo then it uses that
+#    particular compiler
+# 2. Check whether the compiler works.
+# 3. Checks whether the compiler accepts the -g 
+# -------------------------------------------------------------------------
+
+AC_DEFUN([LF_CONFIGURE_CC],[
+  dnl Sing the song
+  AC_REQUIRE([AC_PROG_CC])dnl
+  AC_REQUIRE([AC_PROG_CPP])dnl
+  AC_REQUIRE([AC_AIX])dnl
+  AC_REQUIRE([AC_ISC_POSIX])dnl
+  AC_REQUIRE([AC_HEADER_STDC])dnl
+])
+
diff --git a/firmware/fx2/config/lf_cxx.m4 b/firmware/fx2/config/lf_cxx.m4
new file mode 100644
index 000000000..dfc6bfbfe
--- /dev/null
+++ b/firmware/fx2/config/lf_cxx.m4
@@ -0,0 +1,67 @@
+dnl Autoconf support for C++
+dnl Copyright (C) 1988 Eleftherios Gkioulekas <lf@amath.washington.edu>
+dnl  
+dnl This program is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 3 of the License, or
+dnl (at your option) any later version.
+dnl 
+dnl This program is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+dnl GNU General Public License for more details.
+dnl 
+dnl You should have received a copy of the GNU General Public License
+dnl along with this program; if not, write to the Free Software 
+dnl Foundation, Inc., 51 Franklin Street, Boston, MA 02110-1301, USA.
+dnl 
+dnl As a special exception to the GNU General Public License, if you 
+dnl distribute this file as part of a program that contains a configuration 
+dnl script generated by Autoconf, you may include it under the same 
+dnl distribution terms that you use for the rest of that program.
+
+# -----------------------------------------------------------------
+# This macro should be called to configure your C++ compiler.
+# When called, the macro does the following things:
+# 1. It finds an appropriate C++ compiler
+#    If you passed the flag --with-cxx=foo, then it uses that
+#    particular compiler
+# 2. Checks whether the compiler accepts the -g 
+# ------------------------------------------------------------------
+
+AC_DEFUN([LF_CONFIGURE_CXX],[
+ AC_REQUIRE([AC_PROG_CXX])dnl
+ AC_REQUIRE([AC_PROG_CXXCPP])dnl
+ LF_CXX_PORTABILITY
+])
+
+# -----------------------------------------------------------------------
+# This macro tests the C++ compiler for various portability problem.
+# -----------------------------------------------------------------------
+
+
+AC_DEFUN([LF_CXX_PORTABILITY],[
+
+  dnl
+  dnl Check for common C++ portability problems
+  dnl
+
+  dnl AC_LANG_PUSH
+  dnl AC_LANG_CPLUSPLUS
+  AC_LANG_SAVE
+  AC_LANG_CPLUSPLUS
+
+
+  dnl Test whether C++ has std::isnan
+  AC_MSG_CHECKING(whether C++ has std::isnan)
+  AC_TRY_COMPILE([#include <cmath>], [
+   std::isnan(0);
+], [ AC_MSG_RESULT(yes)
+	AC_DEFINE(CXX_HAS_STD_ISNAN,[],[Define if has std::isnan]) ],
+   [ AC_MSG_RESULT(no) ])
+
+  dnl Done with the portability checks
+  dnl AC_LANG_POP([C++])
+  AC_LANG_RESTORE
+])
+
diff --git a/firmware/fx2/config/lf_warnings.m4 b/firmware/fx2/config/lf_warnings.m4
new file mode 100644
index 000000000..d40c77f14
--- /dev/null
+++ b/firmware/fx2/config/lf_warnings.m4
@@ -0,0 +1,121 @@
+dnl Copyright (C) 1988 Eleftherios Gkioulekas <lf@amath.washington.edu>
+dnl Copyright (C) 2009 Free Software Foundation, Inc.
+dnl  
+dnl This program is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 3 of the License, or
+dnl (at your option) any later version.
+dnl 
+dnl This program is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+dnl GNU General Public License for more details.
+dnl 
+dnl You should have received a copy of the GNU General Public License
+dnl along with this program; if not, write to the Free Software 
+dnl Foundation, Inc., 51 Franklin Street, Boston, MA 02110-1301, USA.
+dnl 
+dnl As a special exception to the GNU General Public License, if you 
+dnl distribute this file as part of a program that contains a configuration 
+dnl script generated by Autoconf, you may include it under the same 
+dnl distribution terms that you use for the rest of that program.
+
+# --------------------------------------------------------------------------
+# Check whether the C++ compiler accepts a certain flag
+# If it does it adds the flag to lf_CXXFLAGS
+# If it does not then it returns an error to lf_ok
+# Usage:
+#   LF_CHECK_CXX_FLAG(-flag1 -flag2 -flag3 ...)
+# -------------------------------------------------------------------------
+
+AC_DEFUN([LF_CHECK_CXX_FLAG],[
+  echo 'void f(){}' > conftest.cc
+  for i in $1
+  do
+    AC_MSG_CHECKING([whether $CXX accepts $i])
+    if test -z "`${CXX} $i -c conftest.cc 2>&1`"
+    then
+      lf_CXXFLAGS="${lf_CXXFLAGS} $i"
+      AC_MSG_RESULT(yes)
+    else
+      AC_MSG_RESULT(no)
+    fi
+  done
+  rm -f conftest.cc conftest.o
+  AC_SUBST(lf_CXXFLAGS)
+])
+
+# --------------------------------------------------------------------------
+# Check whether the C compiler accepts a certain flag
+# If it does it adds the flag to lf_CFLAGS
+# If it does not then it returns an error to lf_ok
+# Usage:
+#  LF_CHECK_CC_FLAG(-flag1 -flag2 -flag3 ...)
+# -------------------------------------------------------------------------
+
+AC_DEFUN([LF_CHECK_CC_FLAG],[
+  echo 'void f(){}' > conftest.c
+  for i in $1
+  do
+    AC_MSG_CHECKING([whether $CC accepts $i])
+    if test -z "`${CC} $i -c conftest.c 2>&1`"
+    then
+      lf_CFLAGS="${lf_CFLAGS} $i"
+      AC_MSG_RESULT(yes)
+    else
+      AC_MSG_RESULT(no)
+    fi
+  done
+  rm -f conftest.c conftest.o
+  AC_SUBST(lf_CFLAGS)
+])
+
+# --------------------------------------------------------------------------
+# Check whether the Fortran compiler accepts a certain flag
+# If it does it adds the flag to lf_FFLAGS
+# If it does not then it returns an error to lf_ok
+# Usage:
+#  LF_CHECK_F77_FLAG(-flag1 -flag2 -flag3 ...)
+# -------------------------------------------------------------------------
+
+AC_DEFUN([LF_CHECK_F77_FLAG],[
+  cat << EOF > conftest.f
+c....:++++++++++++++++++++++++
+      PROGRAM MAIN
+      PRINT*,'Hello World!'
+      END
+EOF
+  for i in $1
+  do
+    AC_MSG_CHECKING([whether $F77 accepts $i])
+    if test -z "`${F77} $i -c conftest.f 2>&1`"
+    then
+      lf_FFLAGS="${lf_FFLAGS} $i"
+      AC_MSG_RESULT(yes)  
+    else
+      AC_MSG_RESULT(no)
+    fi
+  done
+  rm -f conftest.f conftest.o
+  AC_SUBST(lf_FFLAGS)
+])
+
+# ----------------------------------------------------------------------
+# Enable compiler warnings. 
+# Call this command AFTER you have configured ALL your compilers. 
+# ----------------------------------------------------------------------
+
+AC_DEFUN([LF_SET_WARNINGS],[
+  dnl Warnings for the two main compilers
+  dnl add -Wextra when you're got time to fix a bunch of them ;-)
+  cc_warning_flags="-Wall -Werror-implicit-function-declaration"
+  cxx_warning_flags="-Wall -Woverloaded-virtual"
+  if test -n "${CC}"
+  then
+    LF_CHECK_CC_FLAG($cc_warning_flags)
+  fi
+  if test -n "${CXX}" 
+  then
+    LF_CHECK_CXX_FLAG($cxx_warning_flags)
+  fi
+])
diff --git a/firmware/fx2/config/mkstemp.m4 b/firmware/fx2/config/mkstemp.m4
new file mode 100644
index 000000000..4af0f0a9b
--- /dev/null
+++ b/firmware/fx2/config/mkstemp.m4
@@ -0,0 +1,89 @@
+#serial 4
+
+# On some hosts (e.g., HP-UX 10.20, SunOS 4.1.4, Solaris 2.5.1), mkstemp has a
+# silly limit that it can create no more than 26 files from a given template.
+# Other systems lack mkstemp altogether.
+# On OSF1/Tru64 V4.0F, the system-provided mkstemp function can create
+# only 32 files per process.
+# On systems like the above, arrange to use the replacement function.
+AC_DEFUN([UTILS_FUNC_MKSTEMP],
+[dnl
+  AC_REPLACE_FUNCS(mkstemp)
+  if test $ac_cv_func_mkstemp = no; then
+    utils_cv_func_mkstemp_limitations=yes
+  else
+    AC_CACHE_CHECK([for mkstemp limitations],
+      utils_cv_func_mkstemp_limitations,
+      [
+	AC_TRY_RUN([
+#         include <stdlib.h>
+	  int main ()
+	  {
+	    int i;
+	    for (i = 0; i < 70; i++)
+	      {
+		char template[] = "conftestXXXXXX";
+		int fd = mkstemp (template);
+		if (fd == -1)
+		  exit (1);
+		close (fd);
+	      }
+	    exit (0);
+	  }
+	  ],
+	utils_cv_func_mkstemp_limitations=no,
+	utils_cv_func_mkstemp_limitations=yes,
+	utils_cv_func_mkstemp_limitations=yes
+	)
+      ]
+    )
+  fi
+
+  if test $utils_cv_func_mkstemp_limitations = yes; then
+    AC_LIBOBJ(mkstemp)
+    AC_LIBOBJ(tempname)
+    AC_DEFINE(mkstemp, rpl_mkstemp,
+      [Define to rpl_mkstemp if the replacement function should be used.])
+    gl_PREREQ_MKSTEMP
+    jm_PREREQ_TEMPNAME
+  fi
+])
+
+# Prerequisites of lib/mkstemp.c.
+AC_DEFUN([gl_PREREQ_MKSTEMP],
+[
+  AH_BOTTOM(
+  [
+  #ifndef HAVE_MKSTEMP
+  #ifdef  __cplusplus
+  extern "C" {
+  #endif
+  int rpl_mkstemp (char *templ);
+  #ifdef  __cplusplus
+  }
+  #endif
+  #endif
+  ])
+])
+
+# Prerequisites of lib/tempname.c.
+AC_DEFUN([jm_PREREQ_TEMPNAME],
+[
+  AC_REQUIRE([AC_HEADER_STAT])
+  AC_CHECK_HEADERS_ONCE(fcntl.h sys/time.h unistd.h)
+  AC_CHECK_HEADERS(stdint.h)
+  AC_CHECK_FUNCS(__secure_getenv gettimeofday lstat)
+  AC_CHECK_DECLS_ONCE(getenv)
+  # AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])
+
+  dnl Under Win32, mkdir prototype in io.h has only one arg
+  AC_MSG_CHECKING(whether mkdir accepts only one arg)
+  AC_TRY_COMPILE([#include <sys/types.h>
+       #include <sys/stat.h>
+       #include <fcntl.h>], [
+       mkdir("")
+  ], [ AC_MSG_RESULT(yes)
+     AC_DEFINE(MKDIR_TAKES_ONE_ARG,[],[Define if mkdir accepts only one arg]) ],
+   [ AC_MSG_RESULT(no)
+     ])
+])
diff --git a/firmware/fx2/config/onceonly.m4 b/firmware/fx2/config/onceonly.m4
new file mode 100644
index 000000000..f6fec37cb
--- /dev/null
+++ b/firmware/fx2/config/onceonly.m4
@@ -0,0 +1,63 @@
+# onceonly.m4 serial 3
+dnl Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl This file defines some "once only" variants of standard autoconf macros.
+dnl   AC_CHECK_HEADERS_ONCE         like  AC_CHECK_HEADERS
+dnl   AC_CHECK_FUNCS_ONCE           like  AC_CHECK_FUNCS
+dnl   AC_CHECK_DECLS_ONCE           like  AC_CHECK_DECLS
+dnl   AC_REQUIRE([AC_HEADER_STDC])  like  AC_HEADER_STDC
+dnl The advantage is that the check for each of the headers/functions/decls
+dnl will be put only once into the 'configure' file. It keeps the size of
+dnl the 'configure' file down, and avoids redundant output when 'configure'
+dnl is run.
+dnl The drawback is that the checks cannot be conditionalized. If you write
+dnl   if some_condition; then gl_CHECK_HEADERS(stdlib.h); fi
+dnl inside an AC_DEFUNed function, the gl_CHECK_HEADERS macro call expands to
+dnl empty, and the check will be inserted before the body of the AC_DEFUNed
+dnl function.
+
+dnl Autoconf version 2.57 or newer is recommended.
+AC_PREREQ(2.54)
+
+# AC_CHECK_HEADERS_ONCE(HEADER1 HEADER2 ...) is a once-only variant of
+# AC_CHECK_HEADERS(HEADER1 HEADER2 ...).
+AC_DEFUN([AC_CHECK_HEADERS_ONCE], [
+  :
+  AC_FOREACH([gl_HEADER_NAME], [$1], [
+    AC_DEFUN([gl_CHECK_HEADER_]m4_quote(translit(defn([gl_HEADER_NAME]),
+                                                 [-./], [___])), [
+      AC_CHECK_HEADERS(gl_HEADER_NAME)
+    ])
+    AC_REQUIRE([gl_CHECK_HEADER_]m4_quote(translit(gl_HEADER_NAME,
+                                                   [-./], [___])))
+  ])
+])
+
+# AC_CHECK_FUNCS_ONCE(FUNC1 FUNC2 ...) is a once-only variant of
+# AC_CHECK_FUNCS(FUNC1 FUNC2 ...).
+AC_DEFUN([AC_CHECK_FUNCS_ONCE], [
+  :
+  AC_FOREACH([gl_FUNC_NAME], [$1], [
+    AC_DEFUN([gl_CHECK_FUNC_]defn([gl_FUNC_NAME]), [
+      AC_CHECK_FUNCS(defn([gl_FUNC_NAME]))
+    ])
+    AC_REQUIRE([gl_CHECK_FUNC_]defn([gl_FUNC_NAME]))
+  ])
+])
+
+# AC_CHECK_DECLS_ONCE(DECL1 DECL2 ...) is a once-only variant of
+# AC_CHECK_DECLS(DECL1, DECL2, ...).
+AC_DEFUN([AC_CHECK_DECLS_ONCE], [
+  :
+  AC_FOREACH([gl_DECL_NAME], [$1], [
+    AC_DEFUN([gl_CHECK_DECL_]defn([gl_DECL_NAME]), [
+      AC_CHECK_DECLS(defn([gl_DECL_NAME]))
+    ])
+    AC_REQUIRE([gl_CHECK_DECL_]defn([gl_DECL_NAME]))
+  ])
+])
diff --git a/firmware/fx2/config/pkg.m4 b/firmware/fx2/config/pkg.m4
new file mode 100644
index 000000000..2d4d96109
--- /dev/null
+++ b/firmware/fx2/config/pkg.m4
@@ -0,0 +1,201 @@
+# pkg.m4 - Macros to locate and utilise pkg-config.            -*- Autoconf -*-
+# 
+# Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
+# Copyright © 2008 Free Software Foundation, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# PKG_PROG_PKG_CONFIG([MIN-VERSION])
+# ----------------------------------
+AC_DEFUN([PKG_PROG_PKG_CONFIG],
+[m4_pattern_forbid([^_?PKG_[A-Z_]+$])
+m4_pattern_allow([^PKG_CONFIG(_PATH)?$])
+AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])dnl
+if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
+	AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
+fi
+if test -n "$PKG_CONFIG"; then
+	_pkg_min_version=m4_default([$1], [0.18])
+	AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
+	if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
+		AC_MSG_RESULT([yes])
+	else
+		AC_MSG_RESULT([no])
+		PKG_CONFIG=""
+	fi
+		
+fi[]dnl
+])# PKG_PROG_PKG_CONFIG
+
+# PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+#
+# Check to see whether a particular set of modules exists.  Similar
+# to PKG_CHECK_MODULES(), but does not set variables or print errors.
+#
+#
+# Similar to PKG_CHECK_MODULES, make sure that the first instance of
+# this or PKG_CHECK_MODULES is called, or make sure to call
+# PKG_CHECK_EXISTS manually
+# --------------------------------------------------------------
+AC_DEFUN([PKG_CHECK_EXISTS],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
+if test -n "$PKG_CONFIG" && \
+    AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
+  m4_ifval([$2], [$2], [:])
+m4_ifvaln([$3], [else
+  $3])dnl
+fi])
+
+
+# _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
+# ---------------------------------------------
+m4_define([_PKG_CONFIG],
+[if test -n "$PKG_CONFIG"; then
+    if test -n "$$1"; then
+        pkg_cv_[]$1="$$1"
+    else
+        PKG_CHECK_EXISTS([$3],
+                         [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`],
+			 [pkg_failed=yes])
+    fi
+else
+	pkg_failed=untried
+fi[]dnl
+])# _PKG_CONFIG
+
+# _PKG_SHORT_ERRORS_SUPPORTED
+# -----------------------------
+AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])
+if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
+        _pkg_short_errors_supported=yes
+else
+        _pkg_short_errors_supported=no
+fi[]dnl
+])# _PKG_SHORT_ERRORS_SUPPORTED
+
+
+# PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
+# [ACTION-IF-NOT-FOUND])
+#
+# E.g.,
+#   PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
+#   defines:
+#
+#     GSTUFF_LIBS
+#     GSTUFF_CFLAGS
+#     GSTUFF_INCLUDEDIR
+#     GSTUFF_CPPFLAGS    # the -I, -D and -U's out of CFLAGS
+#
+# see pkg-config man page also defines GSTUFF_PKG_ERRORS on error
+#
+# Note that if there is a possibility the first call to
+# PKG_CHECK_MODULES might not happen, you should be sure to include an
+# explicit call to PKG_PROG_PKG_CONFIG in your configure.ac
+#
+# --------------------------------------------------------------
+AC_DEFUN([PKG_CHECK_MODULES],[
+AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
+AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_CANONICAL_BUILD])dnl
+
+AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
+AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl
+AC_ARG_VAR([$1][_INCLUDEDIR], [includedir for $1, overriding pkg-config])dnl
+
+pkg_failed=no
+AC_MSG_CHECKING([for $1])
+
+_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
+
+if test x$cross_compiling = xyes
+then
+  dnl _PKG_CONFIG([$1][_LIBS], [libs-only-l --static], [$2])
+  _PKG_CONFIG([$1][_LIBS], [libs --static], [$2])
+  dnl prune out any -L/lib or -L/usr/lib since they're pointing to the wrong filesystem root
+  _pkg_tmp=
+  for flag in [$]pkg_cv_[$1][_LIBS]; do
+    case $flag in
+    (-L/lib* | -L/usr/lib* )	   ;; # ignore
+    (*) _pkg_tmp="$_pkg_tmp $flag" ;;
+    esac
+  done
+  pkg_cv_[$1][_LIBS]="$_pkg_tmp"
+else
+  _PKG_CONFIG([$1][_LIBS], [libs --static], [$2])
+fi
+
+_PKG_CONFIG([$1][_INCLUDEDIR], [variable=includedir], [$2])
+
+
+m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
+and $1[]_LIBS to avoid the need to call pkg-config.
+See the pkg-config man page for more details.])
+
+if test $pkg_failed = yes; then
+        _PKG_SHORT_ERRORS_SUPPORTED
+        if test $_pkg_short_errors_supported = yes; then
+	        $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors "$2"`
+        else 
+	        $1[]_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
+        fi
+	# Put the nasty error message in config.log where it belongs
+	echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
+
+	ifelse([$4], , [AC_MSG_ERROR(dnl
+[Package requirements ($2) were not met:
+
+$$1_PKG_ERRORS
+
+Consider adjusting the PKG_CONFIG_PATH environment variable if you
+installed software in a non-standard prefix.
+
+_PKG_TEXT
+])],
+		[AC_MSG_RESULT([no])
+                $4])
+elif test $pkg_failed = untried; then
+	ifelse([$4], , [AC_MSG_FAILURE(dnl
+[The pkg-config script could not be found or is too old.  Make sure it
+is in your PATH or set the PKG_CONFIG environment variable to the full
+path to pkg-config.
+
+_PKG_TEXT
+
+To get pkg-config, see <http://pkg-config.freedesktop.org/>.])],
+		[$4])
+else
+	$1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
+	$1[]_LIBS=$pkg_cv_[]$1[]_LIBS
+	$1[]_INCLUDEDIR=$pkg_cv_[]$1[]_INCLUDEDIR
+
+	$1[]_CPPFLAGS=""
+	for flag in $$1[]_CFLAGS; do
+	  case $flag in
+          -I* | -D* | -U*) $1[]_CPPFLAGS="$$1[]_CPPFLAGS $flag" ;;
+          esac
+        done
+	pkg_cv_[]$1[]_CPPFLAGS=$$1[]_CPPFLAGS
+	AC_SUBST($1[]_CPPFLAGS)
+
+        AC_MSG_RESULT([yes])
+	ifelse([$3], , :, [$3])
+fi[]dnl
+])# PKG_CHECK_MODULES
diff --git a/firmware/fx2/config/usrp_sdcc.m4 b/firmware/fx2/config/usrp_sdcc.m4
new file mode 100644
index 000000000..86f6429e5
--- /dev/null
+++ b/firmware/fx2/config/usrp_sdcc.m4
@@ -0,0 +1,75 @@
+# Check for sdcc support.             		-*- Autoconf -*-
+
+# Copyright 2004 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Boston, MA
+# 02110-1301, USA.
+
+AC_DEFUN([USRP_SDCC],
+[
+	sdccok=yes
+	AC_CHECK_PROG(XCC, sdcc, sdcc -mmcs51 --no-xinit-opt,no)
+	AC_CHECK_PROG(XAS, asx8051, asx8051 -plosgff,no)
+
+	if test "$XCC" = "no" -o "$XAS" = "no" ; then
+		AC_MSG_RESULT([USRP requires sdcc. sdcc not found. See http://sdcc.sf.net])
+		sdccok=no
+	else
+		sdcc_version_min=$1
+
+		sdcc_version=`sdcc --version 2>&1 | \
+			sed  's/\(SDCC.* \)\([[0-9]]*\.[[0-9]]*\.[[0-9]]*\)\( .*$\)/\2/'`
+
+	        AC_MSG_CHECKING([sdcc_version "$sdcc_version"])
+
+		sdcc_major_version=`echo $sdcc_version | \
+			sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
+		sdcc_minor_version=`echo $sdcc_version | \
+			sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
+		sdcc_micro_version=`echo $sdcc_version | \
+			sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
+
+		sdcc_major_min=`echo $sdcc_version_min | \
+			sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
+		sdcc_minor_min=`echo $sdcc_version_min | \
+			sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
+		sdcc_micro_min=`echo $sdcc_version_min | \
+			sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
+
+		sdcc_version_proper=`expr \
+			"$sdcc_major_version" \> "$sdcc_major_min" \| \
+			"$sdcc_major_version" \= "$sdcc_major_min" \& \
+	    		"$sdcc_minor_version" \> "$sdcc_minor_min" \| \
+			"$sdcc_major_version" \= "$sdcc_major_min" \& \
+			"$sdcc_minor_version" \= "$sdcc_minor_min" \& \
+			"$sdcc_micro_version" \>= "$sdcc_micro_min" `
+
+		if test "$sdcc_version_proper" = "1" ; then
+			AC_MSG_RESULT([$sdcc_major_version.$sdcc_minor_version.$sdcc_micro_version])
+		else
+			sdccok=no
+			AC_MSG_RESULT([USRP requires sdcc >= $sdcc_version_min. sdcc not found. See http://sdcc.sf.net])
+		fi
+
+		AC_SUBST(XCC)
+		AC_SUBST(XAS)
+	fi
+
+	if test $sdccok = yes; then
+		ifelse([$2], , :, [$2])
+	else
+		ifelse([$3], , :, [$3])
+	fi
+])