diff --git a/README.md b/README.md
index 0e66466..e2a0d7e 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # libixion
 
+Ixion is a general purpose formula parser & interpreter that can calculate multiple named targets, or “cells”.
+
diff --git a/libixion-0.3.0-automake.patch b/libixion-0.3.0-automake.patch
new file mode 100644
index 0000000..c69f812
--- /dev/null
+++ b/libixion-0.3.0-automake.patch
@@ -0,0 +1,26 @@
+--- libixion_0.3.0.orig/src/Makefile.am	2011-11-01 23:48:02.000000000 +0100
++++ libixion_0.3.0/src/Makefile.am	2013-02-12 21:18:21.800607280 +0100
+@@ -1,7 +1,6 @@
+ SUBDIRS = libixion .
+ 
+-INCLUDES = -I$(top_srcdir)/include
++INCLUDES = -I../include
+-
+ bin_PROGRAMS = ixion-parser ixion-sorter ixion-test
+ 
+ ixion_parser_SOURCES = \
+@@ -10,7 +8,7 @@
+ 
+ ixion_parser_LDADD = libixion/libixion-@IXION_API_VERSION@.la \
+ 					 $(BOOST_THREAD_LIBS) $(BOOST_PROGRAM_OPTIONS_LIBS)
+-ixion_parser_CPPFLAGS = -I$(top_builddir)/lib/libixion/libixion.la
++ixion_parser_CPPFLAGS = -I$(top_builddir)/lib/libixion/libixion.la -I$(top_builddir)/include
+ 
+ ixion_sorter_SOURCES = \
+ 	ixion_sorter.cpp \
+@@ -24,4 +22,4 @@
+ ixion_test_LDADD = libixion/libixion-@IXION_API_VERSION@.la
+ ixion_test_CPPFLAGS = -I$(top_builddir)/lib/libixion/libixion.la
+ 
+-TESTS = $(top_srcdir)/test/ixion-parser-test.sh ixion-test
++TESTS = $(top_builddir)/test/ixion-parser-test.sh ixion-test
diff --git a/libixion-0.3.0-boost.m4.patch b/libixion-0.3.0-boost.m4.patch
new file mode 100644
index 0000000..390b96d
--- /dev/null
+++ b/libixion-0.3.0-boost.m4.patch
@@ -0,0 +1,694 @@
+diff -Nru libixion_0.3.0.orig/m4/boost.m4 libixion_0.3.0/m4/boost.m4
+--- libixion_0.3.0.orig/m4/boost.m4	2011-11-01 23:48:02.000000000 +0100
++++ libixion_0.3.0/m4/boost.m4	2013-02-12 20:53:11.982421195 +0100
+@@ -1,5 +1,5 @@
+ # boost.m4: Locate Boost headers and libraries for autoconf-based projects.
+-# Copyright (C) 2007, 2008, 2009  Benoit Sigoure <tsuna@lrde.epita.fr>
++# Copyright (C) 2007, 2008, 2009, 2010, 2011  Benoit Sigoure <tsuna@lrde.epita.fr>
+ #
+ # 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
+@@ -22,7 +22,7 @@
+ # along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ 
+ m4_define([_BOOST_SERIAL], [m4_translit([
+-# serial 12
++# serial 16
+ ], [#
+ ], [])])
+ 
+@@ -45,15 +45,19 @@
+ # Note: THESE MACROS ASSUME THAT YOU USE LIBTOOL.  If you don't, don't worry,
+ # simply read the README, it will show you what to do step by step.
+ 
+-m4_pattern_forbid([^_?BOOST_])
++m4_pattern_forbid([^_?(BOOST|Boost)_])
+ 
+ 
+ # _BOOST_SED_CPP(SED-PROGRAM, PROGRAM,
+ #                [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+ # --------------------------------------------------------
+ # Same as AC_EGREP_CPP, but leave the result in conftest.i.
+-# PATTERN is *not* overquoted, as in AC_EGREP_CPP.  It could be useful
+-# to turn this into a macro which extracts the value of any macro.
++#
++# SED-PROGRAM is *not* overquoted, as in AC_EGREP_CPP.  It is expanded
++# in double-quotes, so escape your double quotes.
++#
++# It could be useful to turn this into a macro which extracts the
++# value of any macro.
+ m4_define([_BOOST_SED_CPP],
+ [AC_LANG_PREPROC_REQUIRE()dnl
+ AC_REQUIRE([AC_PROG_SED])dnl
+@@ -98,6 +102,7 @@
+ IFS=$boost_save_IFS
+ shift
+ boost_version_req=`expr "$[1]" '*' 100000 + "$[2]" '*' 100 + "$[3]"`
++boost_version_req_string=$[1].$[2].$[3]
+ AC_ARG_WITH([boost],
+    [AS_HELP_STRING([--with-boost=DIR],
+                    [prefix of Boost $1 @<:@guess@:>@])])dnl
+@@ -113,9 +118,9 @@
+   fi
+ fi
+ AC_SUBST([DISTCHECK_CONFIGURE_FLAGS],
+-         ["$DISTCHECK_CONFIGURE_FLAGS '--with-boost=$with_boost'"])
++         ["$DISTCHECK_CONFIGURE_FLAGS '--with-boost=$with_boost'"])dnl
+ boost_save_CPPFLAGS=$CPPFLAGS
+-  AC_CACHE_CHECK([for Boost headers version >= $boost_version_req],
++  AC_CACHE_CHECK([for Boost headers version >= $boost_version_req_string],
+     [boost_cv_inc_path],
+     [boost_cv_inc_path=no
+ AC_LANG_PUSH([C++])dnl
+@@ -183,7 +188,7 @@
+     ])
+     case $boost_cv_inc_path in #(
+       no)
+-        boost_errmsg="cannot find Boost headers version >= $boost_version_req"
++        boost_errmsg="cannot find Boost headers version >= $boost_version_req_string"
+         m4_if([$2], [],  [AC_MSG_ERROR([$boost_errmsg])],
+                         [AC_MSG_NOTICE([$boost_errmsg])])
+         $2
+@@ -192,7 +197,7 @@
+         BOOST_CPPFLAGS=
+         ;;#(
+       *)
+-        AC_SUBST([BOOST_CPPFLAGS], ["-I$boost_cv_inc_path"])
++        AC_SUBST([BOOST_CPPFLAGS], ["-I$boost_cv_inc_path"])dnl
+         ;;
+     esac
+   if test x"$boost_cv_inc_path" != xno; then
+@@ -201,7 +206,7 @@
+   AC_CACHE_CHECK([for Boost's header version],
+     [boost_cv_lib_version],
+     [m4_pattern_allow([^BOOST_LIB_VERSION$])dnl
+-     _BOOST_SED_CPP([/^boost-lib-version = /{s///;s/\"//g;p;g;}],
++     _BOOST_SED_CPP([/^boost-lib-version = /{s///;s/\"//g;p;q;}],
+                     [#include <boost/version.hpp>
+ boost-lib-version = BOOST_LIB_VERSION],
+     [boost_cv_lib_version=`cat conftest.i`])])
+@@ -222,7 +227,7 @@
+ # on the command line, static versions of the libraries will be looked up.
+ AC_DEFUN([BOOST_STATIC],
+   [AC_ARG_ENABLE([static-boost],
+-     [AC_HELP_STRING([--enable-static-boost],
++     [AS_HELP_STRING([--enable-static-boost],
+                [Prefer the static boost libraries over the shared ones [no]])],
+      [enable_static_boost=yes],
+      [enable_static_boost=no])])# BOOST_STATIC
+@@ -292,6 +297,7 @@
+ AC_LANG_PUSH([C++])dnl
+ AS_VAR_PUSHDEF([Boost_lib], [boost_cv_lib_$1])dnl
+ AS_VAR_PUSHDEF([Boost_lib_LDFLAGS], [boost_cv_lib_$1_LDFLAGS])dnl
++AS_VAR_PUSHDEF([Boost_lib_LDPATH], [boost_cv_lib_$1_LDPATH])dnl
+ AS_VAR_PUSHDEF([Boost_lib_LIBS], [boost_cv_lib_$1_LIBS])dnl
+ BOOST_FIND_HEADER([$3])
+ boost_save_CPPFLAGS=$CPPFLAGS
+@@ -373,8 +379,8 @@
+     boost_tmp_lib=$with_boost
+     test x"$with_boost" = x && boost_tmp_lib=${boost_cv_inc_path%/include}
+     for boost_ldpath in "$boost_tmp_lib/lib" '' \
+-             /opt/local/lib /usr/local/lib /opt/lib /usr/lib \
+-             "$with_boost" C:/Boost/lib /lib /usr/lib64 /lib64
++             /opt/local/lib* /usr/local/lib* /opt/lib* /usr/lib* \
++             "$with_boost" C:/Boost/lib /lib*
+     do
+       test -e "$boost_ldpath" || continue
+       boost_save_LDFLAGS=$LDFLAGS
+@@ -397,7 +403,8 @@
+       LDFLAGS=$boost_save_LDFLAGS
+       LIBS=$boost_save_LIBS
+       if test x"$Boost_lib" = xyes; then
+-        Boost_lib_LDFLAGS="-L$boost_ldpath -R$boost_ldpath"
++        Boost_lib_LDFLAGS="-L$boost_ldpath -Wl,-R$boost_ldpath"
++        Boost_lib_LDPATH="$boost_ldpath"
+         break 6
+       else
+         boost_failed_libs="$boost_failed_libs@$boost_lib@"
+@@ -412,14 +419,17 @@
+ ])
+ case $Boost_lib in #(
+   no) _AC_MSG_LOG_CONFTEST
+-    AC_MSG_ERROR([cannot not find the flags to link with Boost $1])
++    AC_MSG_ERROR([cannot find the flags to link with Boost $1])
+     ;;
+ esac
+-AC_SUBST(AS_TR_CPP([BOOST_$1_LDFLAGS]), [$Boost_lib_LDFLAGS])
+-AC_SUBST(AS_TR_CPP([BOOST_$1_LIBS]), [$Boost_lib_LIBS])
++AC_SUBST(AS_TR_CPP([BOOST_$1_LDFLAGS]), [$Boost_lib_LDFLAGS])dnl
++AC_SUBST(AS_TR_CPP([BOOST_$1_LDPATH]), [$Boost_lib_LDPATH])dnl
++AC_SUBST([BOOST_LDPATH], [$Boost_lib_LDPATH])dnl
++AC_SUBST(AS_TR_CPP([BOOST_$1_LIBS]), [$Boost_lib_LIBS])dnl
+ CPPFLAGS=$boost_save_CPPFLAGS
+ AS_VAR_POPDEF([Boost_lib])dnl
+ AS_VAR_POPDEF([Boost_lib_LDFLAGS])dnl
++AS_VAR_POPDEF([Boost_lib_LDPATH])dnl
+ AS_VAR_POPDEF([Boost_lib_LIBS])dnl
+ AC_LANG_POP([C++])dnl
+ fi
+@@ -434,17 +444,31 @@
+ # The page http://beta.boost.org/doc/libs is useful: it gives the first release
+ # version of each library (among other things).
+ 
++# BOOST_DEFUN(LIBRARY, CODE)
++# --------------------------
++# Define BOOST_<LIBRARY-UPPERCASE> as a macro that runs CODE.
++#
++# Use indir to avoid the warning on underquoted macro name given to AC_DEFUN.
++m4_define([BOOST_DEFUN],
++[m4_indir([AC_DEFUN],
++          m4_toupper([BOOST_$1]),
++[m4_pushdef([BOOST_Library], [$1])dnl
++$2
++m4_popdef([BOOST_Library])dnl
++])
++])
++
+ # BOOST_ARRAY()
+ # -------------
+ # Look for Boost.Array
+-AC_DEFUN([BOOST_ARRAY],
++BOOST_DEFUN([Array],
+ [BOOST_FIND_HEADER([boost/array.hpp])])
+ 
+ 
+ # BOOST_ASIO()
+ # ------------
+ # Look for Boost.Asio (new in Boost 1.35).
+-AC_DEFUN([BOOST_ASIO],
++BOOST_DEFUN([Asio],
+ [AC_REQUIRE([BOOST_SYSTEM])dnl
+ BOOST_FIND_HEADER([boost/asio.hpp])])
+ 
+@@ -452,14 +476,41 @@
+ # BOOST_BIND()
+ # ------------
+ # Look for Boost.Bind
+-AC_DEFUN([BOOST_BIND],
++BOOST_DEFUN([Bind],
+ [BOOST_FIND_HEADER([boost/bind.hpp])])
+ 
+ 
++# BOOST_CHRONO()
++# ------------------
++# Look for Boost.Chrono
++BOOST_DEFUN([Chrono],
++[# Do we have to check for Boost.System?  This link-time dependency was
++# added as of 1.35.0.  If we have a version <1.35, we must not attempt to
++# find Boost.System as it didn't exist by then.
++if test $boost_major_version -ge 135; then
++BOOST_SYSTEM([$1])
++fi # end of the Boost.System check.
++boost_filesystem_save_LIBS=$LIBS
++boost_filesystem_save_LDFLAGS=$LDFLAGS
++m4_pattern_allow([^BOOST_SYSTEM_(LIBS|LDFLAGS)$])dnl
++LIBS="$LIBS $BOOST_SYSTEM_LIBS"
++LDFLAGS="$LDFLAGS $BOOST_SYSTEM_LDFLAGS"
++BOOST_FIND_LIB([chrono], [$1],
++                [boost/chrono.hpp],
++                [boost::chrono::thread_clock d;])
++if test $enable_static_boost = yes && test $boost_major_version -ge 135; then
++    AC_SUBST([BOOST_FILESYSTEM_LIBS], ["$BOOST_FILESYSTEM_LIBS $BOOST_SYSTEM_LIBS"])
++fi
++LIBS=$boost_filesystem_save_LIBS
++LDFLAGS=$boost_filesystem_save_LDFLAGS
++
++])# BOOST_CHRONO
++
++
+ # BOOST_CONVERSION()
+ # ------------------
+ # Look for Boost.Conversion (cast / lexical_cast)
+-AC_DEFUN([BOOST_CONVERSION],
++BOOST_DEFUN([Conversion],
+ [BOOST_FIND_HEADER([boost/cast.hpp])
+ BOOST_FIND_HEADER([boost/lexical_cast.hpp])
+ ])# BOOST_CONVERSION
+@@ -469,7 +520,7 @@
+ # -----------------------------------
+ # Look for Boost.Date_Time.  For the documentation of PREFERRED-RT-OPT, see the
+ # documentation of BOOST_FIND_LIB above.
+-AC_DEFUN([BOOST_DATE_TIME],
++BOOST_DEFUN([Date_Time],
+ [BOOST_FIND_LIB([date_time], [$1],
+                 [boost/date_time/posix_time/posix_time.hpp],
+                 [boost::posix_time::ptime t;])
+@@ -482,7 +533,7 @@
+ # the documentation of BOOST_FIND_LIB above.
+ # Do not check for boost/filesystem.hpp because this file was introduced in
+ # 1.34.
+-AC_DEFUN([BOOST_FILESYSTEM],
++BOOST_DEFUN([Filesystem],
+ [# Do we have to check for Boost.System?  This link-time dependency was
+ # added as of 1.35.0.  If we have a version <1.35, we must not attempt to
+ # find Boost.System as it didn't exist by then.
+@@ -496,6 +547,9 @@
+ LDFLAGS="$LDFLAGS $BOOST_SYSTEM_LDFLAGS"
+ BOOST_FIND_LIB([filesystem], [$1],
+                 [boost/filesystem/path.hpp], [boost::filesystem::path p;])
++if test $enable_static_boost = yes && test $boost_major_version -ge 135; then
++    AC_SUBST([BOOST_FILESYSTEM_LIBS], ["$BOOST_FILESYSTEM_LIBS $BOOST_SYSTEM_LIBS"])
++fi
+ LIBS=$boost_filesystem_save_LIBS
+ LDFLAGS=$boost_filesystem_save_LDFLAGS
+ ])# BOOST_FILESYSTEM
+@@ -504,7 +558,7 @@
+ # BOOST_FOREACH()
+ # ---------------
+ # Look for Boost.Foreach
+-AC_DEFUN([BOOST_FOREACH],
++BOOST_DEFUN([Foreach],
+ [BOOST_FIND_HEADER([boost/foreach.hpp])])
+ 
+ 
+@@ -515,14 +569,14 @@
+ # standalone.  It can't be compiled because it triggers the following error:
+ # boost/format/detail/config_macros.hpp:88: error: 'locale' in namespace 'std'
+ #                                                  does not name a type
+-AC_DEFUN([BOOST_FORMAT],
++BOOST_DEFUN([Format],
+ [BOOST_FIND_HEADER([boost/format.hpp])])
+ 
+ 
+ # BOOST_FUNCTION()
+ # ----------------
+ # Look for Boost.Function
+-AC_DEFUN([BOOST_FUNCTION],
++BOOST_DEFUN([Function],
+ [BOOST_FIND_HEADER([boost/function.hpp])])
+ 
+ 
+@@ -530,37 +584,60 @@
+ # -------------------------------
+ # Look for Boost.Graphs.  For the documentation of PREFERRED-RT-OPT, see the
+ # documentation of BOOST_FIND_LIB above.
+-AC_DEFUN([BOOST_GRAPH],
++BOOST_DEFUN([Graph],
+ [BOOST_FIND_LIB([graph], [$1],
+                 [boost/graph/adjacency_list.hpp], [boost::adjacency_list<> g;])
+ ])# BOOST_GRAPH
+ 
+ 
+ # BOOST_IOSTREAMS([PREFERRED-RT-OPT])
+-# -------------------------------
++# -----------------------------------
+ # Look for Boost.IOStreams.  For the documentation of PREFERRED-RT-OPT, see the
+ # documentation of BOOST_FIND_LIB above.
+-AC_DEFUN([BOOST_IOSTREAMS],
++BOOST_DEFUN([IOStreams],
+ [BOOST_FIND_LIB([iostreams], [$1],
+                 [boost/iostreams/device/file_descriptor.hpp],
+-                [boost::iostreams::file_descriptor fd(0); fd.close();])
++                [boost::iostreams::file_descriptor fd; fd.close();])
+ ])# BOOST_IOSTREAMS
+ 
+ 
+ # BOOST_HASH()
+ # ------------
+ # Look for Boost.Functional/Hash
+-AC_DEFUN([BOOST_HASH],
++BOOST_DEFUN([Hash],
+ [BOOST_FIND_HEADER([boost/functional/hash.hpp])])
+ 
+ 
+ # BOOST_LAMBDA()
+ # --------------
+ # Look for Boost.Lambda
+-AC_DEFUN([BOOST_LAMBDA],
++BOOST_DEFUN([Lambda],
+ [BOOST_FIND_HEADER([boost/lambda/lambda.hpp])])
+ 
+ 
++# BOOST_LOG([PREFERRED-RT-OPT])
++# -----------------------------
++# Look for Boost.Log For the documentation of PREFERRED-RT-OPT, see the
++# documentation of BOOST_FIND_LIB above.
++BOOST_DEFUN([Log],
++[BOOST_FIND_LIB([log], [$1],
++    [boost/log/core/core.hpp],
++    [boost::log::attribute a; a.get_value();])
++])# BOOST_LOG
++
++
++# BOOST_LOG_SETUP([PREFERRED-RT-OPT])
++# -----------------------------------
++# Look for Boost.Log For the documentation of PREFERRED-RT-OPT, see the
++# documentation of BOOST_FIND_LIB above.
++BOOST_DEFUN([Log_Setup],
++[AC_REQUIRE([BOOST_LOG])dnl
++BOOST_FIND_LIB([log_setup], [$1],
++    [boost/log/utility/init/from_settings.hpp],
++    [boost::log::basic_settings<char> bs; bs.empty();])
++])# BOOST_LOG_SETUP
++
++
+ # BOOST_MATH()
+ # ------------
+ # Look for Boost.Math
+@@ -569,21 +646,21 @@
+ # libboost_math_c99f, libboost_math_c99l, libboost_math_tr1,
+ # libboost_math_tr1f, libboost_math_tr1l).  This macro must be fixed to do the
+ # right thing anyway.
+-AC_DEFUN([BOOST_MATH],
++BOOST_DEFUN([Math],
+ [BOOST_FIND_HEADER([boost/math/special_functions.hpp])])
+ 
+ 
+ # BOOST_MULTIARRAY()
+ # ------------------
+ # Look for Boost.MultiArray
+-AC_DEFUN([BOOST_MULTIARRAY],
++BOOST_DEFUN([MultiArray],
+ [BOOST_FIND_HEADER([boost/multi_array.hpp])])
+ 
+ 
+ # BOOST_NUMERIC_CONVERSION()
+ # --------------------------
+ # Look for Boost.NumericConversion (policy-based numeric conversion)
+-AC_DEFUN([BOOST_NUMERIC_CONVERSION],
++BOOST_DEFUN([Numeric_Conversion],
+ [BOOST_FIND_HEADER([boost/numeric/conversion/converter.hpp])
+ ])# BOOST_NUMERIC_CONVERSION
+ 
+@@ -591,32 +668,76 @@
+ # BOOST_OPTIONAL()
+ # ----------------
+ # Look for Boost.Optional
+-AC_DEFUN([BOOST_OPTIONAL],
++BOOST_DEFUN([Optional],
+ [BOOST_FIND_HEADER([boost/optional.hpp])])
+ 
+ 
+ # BOOST_PREPROCESSOR()
+ # --------------------
+ # Look for Boost.Preprocessor
+-AC_DEFUN([BOOST_PREPROCESSOR],
++BOOST_DEFUN([Preprocessor],
+ [BOOST_FIND_HEADER([boost/preprocessor/repeat.hpp])])
+ 
+ 
++# BOOST_UNORDERED()
++# -----------------
++# Look for Boost.Unordered
++BOOST_DEFUN([Unordered],
++[BOOST_FIND_HEADER([boost/unordered_map.hpp])])
++
++
++# BOOST_UUID()
++# ------------
++# Look for Boost.Uuid
++BOOST_DEFUN([Uuid],
++[BOOST_FIND_HEADER([boost/uuid/uuid.hpp])])
++
++
+ # BOOST_PROGRAM_OPTIONS([PREFERRED-RT-OPT])
+ # -----------------------------------------
+-# Look for Boost.Program_options.  For the documentation of PREFERRED-RT-OPT, see
+-# the documentation of BOOST_FIND_LIB above.
+-AC_DEFUN([BOOST_PROGRAM_OPTIONS],
++# Look for Boost.Program_options.  For the documentation of PREFERRED-RT-OPT,
++# see the documentation of BOOST_FIND_LIB above.
++BOOST_DEFUN([Program_Options],
+ [BOOST_FIND_LIB([program_options], [$1],
+                 [boost/program_options.hpp],
+                 [boost::program_options::options_description d("test");])
+ ])# BOOST_PROGRAM_OPTIONS
+ 
+ 
++
++# _BOOST_PYTHON_CONFIG(VARIABLE, FLAG)
++# ------------------------------------
++# Save VARIABLE, and define it via `python-config --FLAG`.
++# Substitute BOOST_PYTHON_VARIABLE.
++m4_define([_BOOST_PYTHON_CONFIG],
++[AC_SUBST([BOOST_PYTHON_$1],
++          [`python-config --$2 2>/dev/null`])dnl
++boost_python_save_$1=$$1
++$1="$$1 $BOOST_PYTHON_$1"])
++
++
++# BOOST_PYTHON([PREFERRED-RT-OPT])
++# --------------------------------
++# Look for Boost.Python.  For the documentation of PREFERRED-RT-OPT,
++# see the documentation of BOOST_FIND_LIB above.
++BOOST_DEFUN([Python],
++[_BOOST_PYTHON_CONFIG([CPPFLAGS], [includes])
++_BOOST_PYTHON_CONFIG([LDFLAGS],   [ldflags])
++_BOOST_PYTHON_CONFIG([LIBS],      [libs])
++m4_pattern_allow([^BOOST_PYTHON_MODULE$])dnl
++BOOST_FIND_LIB([python], [$1],
++               [boost/python.hpp],
++               [], [BOOST_PYTHON_MODULE(empty) {}])
++CPPFLAGS=$boost_python_save_CPPFLAGS
++LDFLAGS=$boost_python_save_LDFLAGS
++LIBS=$boost_python_save_LIBS
++])# BOOST_PYTHON
++
++
+ # BOOST_REF()
+ # -----------
+ # Look for Boost.Ref
+-AC_DEFUN([BOOST_REF],
++BOOST_DEFUN([Ref],
+ [BOOST_FIND_HEADER([boost/ref.hpp])])
+ 
+ 
+@@ -624,7 +745,7 @@
+ # -------------------------------
+ # Look for Boost.Regex.  For the documentation of PREFERRED-RT-OPT, see the
+ # documentation of BOOST_FIND_LIB above.
+-AC_DEFUN([BOOST_REGEX],
++BOOST_DEFUN([Regex],
+ [BOOST_FIND_LIB([regex], [$1],
+                 [boost/regex.hpp],
+                 [boost::regex exp("*"); boost::regex_match("foo", exp);])
+@@ -635,19 +756,19 @@
+ # ---------------------------------------
+ # Look for Boost.Serialization.  For the documentation of PREFERRED-RT-OPT, see
+ # the documentation of BOOST_FIND_LIB above.
+-AC_DEFUN([BOOST_SERIALIZATION],
++BOOST_DEFUN([Serialization],
+ [BOOST_FIND_LIB([serialization], [$1],
+                 [boost/archive/text_oarchive.hpp],
+                 [std::ostream* o = 0; // Cheap way to get an ostream...
+                 boost::archive::text_oarchive t(*o);])
+-])# BOOST_SIGNALS
++])# BOOST_SERIALIZATION
+ 
+ 
+ # BOOST_SIGNALS([PREFERRED-RT-OPT])
+ # ---------------------------------
+ # Look for Boost.Signals.  For the documentation of PREFERRED-RT-OPT, see the
+ # documentation of BOOST_FIND_LIB above.
+-AC_DEFUN([BOOST_SIGNALS],
++BOOST_DEFUN([Signals],
+ [BOOST_FIND_LIB([signals], [$1],
+                 [boost/signal.hpp],
+                 [boost::signal<void ()> s;])
+@@ -657,7 +778,7 @@
+ # BOOST_SMART_PTR()
+ # -----------------
+ # Look for Boost.SmartPtr
+-AC_DEFUN([BOOST_SMART_PTR],
++BOOST_DEFUN([Smart_Ptr],
+ [BOOST_FIND_HEADER([boost/scoped_ptr.hpp])
+ BOOST_FIND_HEADER([boost/shared_ptr.hpp])
+ ])
+@@ -666,14 +787,14 @@
+ # BOOST_STATICASSERT()
+ # --------------------
+ # Look for Boost.StaticAssert
+-AC_DEFUN([BOOST_STATICASSERT],
++BOOST_DEFUN([StaticAssert],
+ [BOOST_FIND_HEADER([boost/static_assert.hpp])])
+ 
+ 
+ # BOOST_STRING_ALGO()
+ # -------------------
+ # Look for Boost.StringAlgo
+-AC_DEFUN([BOOST_STRING_ALGO],
++BOOST_DEFUN([String_Algo],
+ [BOOST_FIND_HEADER([boost/algorithm/string.hpp])
+ ])
+ 
+@@ -683,7 +804,7 @@
+ # Look for Boost.System.  For the documentation of PREFERRED-RT-OPT, see the
+ # documentation of BOOST_FIND_LIB above.  This library was introduced in Boost
+ # 1.35.0.
+-AC_DEFUN([BOOST_SYSTEM],
++BOOST_DEFUN([System],
+ [BOOST_FIND_LIB([system], [$1],
+                 [boost/system/error_code.hpp],
+                 [boost::system::error_code e; e.clear();])
+@@ -694,7 +815,7 @@
+ # ------------------------------
+ # Look for Boost.Test.  For the documentation of PREFERRED-RT-OPT, see the
+ # documentation of BOOST_FIND_LIB above.
+-AC_DEFUN([BOOST_TEST],
++BOOST_DEFUN([Test],
+ [m4_pattern_allow([^BOOST_CHECK$])dnl
+ BOOST_FIND_LIB([unit_test_framework], [$1],
+                [boost/test/unit_test.hpp], [BOOST_CHECK(2 == 2);],
+@@ -709,25 +830,49 @@
+ # Look for Boost.Thread.  For the documentation of PREFERRED-RT-OPT, see the
+ # documentation of BOOST_FIND_LIB above.
+ # FIXME: Provide an alias "BOOST_THREAD".
+-AC_DEFUN([BOOST_THREADS],
++BOOST_DEFUN([Threads],
+ [dnl Having the pthread flag is required at least on GCC3 where
+ dnl boost/thread.hpp would complain if we try to compile without
+ dnl -pthread on GNU/Linux.
+ AC_REQUIRE([_BOOST_PTHREAD_FLAG])dnl
+ boost_threads_save_LIBS=$LIBS
++boost_threads_save_LDFLAGS=$LDFLAGS
+ boost_threads_save_CPPFLAGS=$CPPFLAGS
+-LIBS="$LIBS $boost_cv_pthread_flag"
++# Link-time dependency from thread to system was added as of 1.49.0.
++if test $boost_major_version -ge 149; then
++BOOST_SYSTEM([$1])
++fi # end of the Boost.System check.
++m4_pattern_allow([^BOOST_SYSTEM_(LIBS|LDFLAGS)$])dnl
++LIBS="$LIBS $BOOST_SYSTEM_LIBS $boost_cv_pthread_flag"
++LDFLAGS="$LDFLAGS $BOOST_SYSTEM_LDFLAGS"
+ # Yes, we *need* to put the -pthread thing in CPPFLAGS because with GCC3,
+ # boost/thread.hpp will trigger a #error if -pthread isn't used:
+ #   boost/config/requires_threads.hpp:47:5: #error "Compiler threading support
+ #   is not turned on. Please set the correct command line options for
+ #   threading: -pthread (Linux), -pthreads (Solaris) or -mthreads (Mingw32)"
+ CPPFLAGS="$CPPFLAGS $boost_cv_pthread_flag"
+-BOOST_FIND_LIB([thread], [$1],
+-                [boost/thread.hpp], [boost::thread t; boost::mutex m;])
+-BOOST_THREAD_LIBS="$BOOST_THREAD_LIBS $boost_cv_pthread_flag"
++
++# When compiling for the Windows platform, the threads library is named
++# differently.
++case $host_os in
++  (*mingw*)
++    BOOST_FIND_LIB([thread_win32], [$1],
++                   [boost/thread.hpp], [boost::thread t; boost::mutex m;])
++    BOOST_THREAD_LDFLAGS=$BOOST_THREAD_WIN32_LDFLAGS
++    BOOST_THREAD_LDPATH=$BOOST_THREAD_WIN32_LDPATH
++    BOOST_THREAD_LIBS=$BOOST_THREAD_WIN32_LIBS
++  ;;
++  (*)
++    BOOST_FIND_LIB([thread], [$1],
++                   [boost/thread.hpp], [boost::thread t; boost::mutex m;])
++  ;;
++esac
++
++BOOST_THREAD_LIBS="$BOOST_THREAD_LIBS $BOOST_SYSTEM_LIBS $boost_cv_pthread_flag"
++BOOST_THREAD_LDFLAGS="$BOOST_SYSTEM_LDFLAGS"
+ BOOST_CPPFLAGS="$BOOST_CPPFLAGS $boost_cv_pthread_flag"
+ LIBS=$boost_threads_save_LIBS
++LDFLAGS=$boost_threads_save_LDFLAGS
+ CPPFLAGS=$boost_threads_save_CPPFLAGS
+ ])# BOOST_THREADS
+ 
+@@ -735,14 +880,14 @@
+ # BOOST_TOKENIZER()
+ # -----------------
+ # Look for Boost.Tokenizer
+-AC_DEFUN([BOOST_TOKENIZER],
++BOOST_DEFUN([Tokenizer],
+ [BOOST_FIND_HEADER([boost/tokenizer.hpp])])
+ 
+ 
+ # BOOST_TRIBOOL()
+ # ---------------
+ # Look for Boost.Tribool
+-AC_DEFUN([BOOST_TRIBOOL],
++BOOST_DEFUN([Tribool],
+ [BOOST_FIND_HEADER([boost/logic/tribool_fwd.hpp])
+ BOOST_FIND_HEADER([boost/logic/tribool.hpp])
+ ])
+@@ -751,36 +896,29 @@
+ # BOOST_TUPLE()
+ # -------------
+ # Look for Boost.Tuple
+-AC_DEFUN([BOOST_TUPLE],
++BOOST_DEFUN([Tuple],
+ [BOOST_FIND_HEADER([boost/tuple/tuple.hpp])])
+ 
+ 
+ # BOOST_TYPETRAITS()
+ # --------------------
+ # Look for Boost.TypeTraits
+-AC_DEFUN([BOOST_TYPETRAITS],
++BOOST_DEFUN([TypeTraits],
+ [BOOST_FIND_HEADER([boost/type_traits.hpp])])
+ 
+-# BOOST_UNORDERED()
+-# ---------------
+-# Look for Boost.Unordered (unordered_map, unordered_set
+-# etc.)
+-AC_DEFUN([BOOST_UNORDERED],
+-[BOOST_FIND_HEADER([boost/unordered_map.hpp])
+-BOOST_FIND_HEADER([boost/unordered_set.hpp])])
+ 
+ # BOOST_UTILITY()
+ # ---------------
+ # Look for Boost.Utility (noncopyable, result_of, base-from-member idiom,
+ # etc.)
+-AC_DEFUN([BOOST_UTILITY],
++BOOST_DEFUN([Utility],
+ [BOOST_FIND_HEADER([boost/utility.hpp])])
+ 
+ 
+ # BOOST_VARIANT()
+ # ---------------
+ # Look for Boost.Variant.
+-AC_DEFUN([BOOST_VARIANT],
++BOOST_DEFUN([Variant],
+ [BOOST_FIND_HEADER([boost/variant/variant_fwd.hpp])
+ BOOST_FIND_HEADER([boost/variant.hpp])])
+ 
+@@ -791,15 +929,15 @@
+ # call BOOST_THREADS first.
+ # Look for Boost.Wave.  For the documentation of PREFERRED-RT-OPT, see the
+ # documentation of BOOST_FIND_LIB above.
+-AC_DEFUN([BOOST_WAVE],
++BOOST_DEFUN([Wave],
+ [AC_REQUIRE([BOOST_FILESYSTEM])dnl
+ AC_REQUIRE([BOOST_DATE_TIME])dnl
+ boost_wave_save_LIBS=$LIBS
+ boost_wave_save_LDFLAGS=$LDFLAGS
+ m4_pattern_allow([^BOOST_((FILE)?SYSTEM|DATE_TIME|THREAD)_(LIBS|LDFLAGS)$])dnl
+-LIBS="$LIBS $BOOST_SYSTEM_LIBS $BOOST_FILESYSTEM_LIBS $BOOST_DATE_TIME_LIBS\
++LIBS="$LIBS $BOOST_SYSTEM_LIBS $BOOST_FILESYSTEM_LIBS $BOOST_DATE_TIME_LIBS \
+ $BOOST_THREAD_LIBS"
+-LDFLAGS="$LDFLAGS $BOOST_SYSTEM_LDFLAGS $BOOST_FILESYSTEM_LDFLAGS\
++LDFLAGS="$LDFLAGS $BOOST_SYSTEM_LDFLAGS $BOOST_FILESYSTEM_LDFLAGS \
+ $BOOST_DATE_TIME_LDFLAGS $BOOST_THREAD_LDFLAGS"
+ BOOST_FIND_LIB([wave], [$1],
+                 [boost/wave.hpp],
+@@ -812,7 +950,7 @@
+ # BOOST_XPRESSIVE()
+ # -----------------
+ # Look for Boost.Xpressive (new since 1.36.0).
+-AC_DEFUN([BOOST_XPRESSIVE],
++BOOST_DEFUN([Xpressive],
+ [BOOST_FIND_HEADER([boost/xpressive/xpressive.hpp])])
+ 
+ 
+@@ -918,8 +1056,12 @@
+   #   como, edg, kcc, bck, mp, sw, tru, xlc
+   # I'm not sure about my test for `il' (be careful: Intel's ICC pre-defines
+   # the same defines as GCC's).
+-  # TODO: Move the test on GCC 4.4 up once it's released.
+   for i in \
++    _BOOST_gcc_test(4, 8) \
++    _BOOST_gcc_test(4, 7) \
++    _BOOST_gcc_test(4, 6) \
++    _BOOST_gcc_test(4, 5) \
++    _BOOST_gcc_test(4, 4) \
+     _BOOST_gcc_test(4, 3) \
+     _BOOST_gcc_test(4, 2) \
+     _BOOST_gcc_test(4, 1) \
+@@ -939,7 +1081,6 @@
+     "defined __ICC && (defined __unix || defined __unix__) @ il" \
+     "defined __ICL @ iw" \
+     "defined _MSC_VER && _MSC_VER == 1300 @ vc7" \
+-    _BOOST_gcc_test(4, 4) \
+     _BOOST_gcc_test(2, 95) \
+     "defined __MWERKS__ && __MWERKS__ <= 0x32FF @ cw9" \
+     "defined _MSC_VER && _MSC_VER < 1300 && !defined UNDER_CE @ vc6" \
diff --git a/libixion-0.5.0-libboost-1.52.patch b/libixion-0.5.0-libboost-1.52.patch
new file mode 100644
index 0000000..4b81d68
--- /dev/null
+++ b/libixion-0.5.0-libboost-1.52.patch
@@ -0,0 +1,10 @@
+--- ixion-0.5.0/include/ixion/global.hpp.orig	2013-02-12 22:07:31.740886279 +0100
++++ ixion-0.5.0/include/ixion/global.hpp	2013-02-12 22:05:41.309023036 +0100
+@@ -35,6 +35,7 @@
+ #include <boost/ptr_container/ptr_map.hpp>
+ #include <boost/ptr_container/ptr_vector.hpp>
+ #include <boost/interprocess/smart_ptr/unique_ptr.hpp>
++#include <boost/noncopyable.hpp>
+ 
+ #define __IXION_DEBUG_OUT__ ::std::cout << __FILE__ << "#" << __LINE__ << ": "
+ 
diff --git a/libixion.spec b/libixion.spec
new file mode 100644
index 0000000..db6ca70
--- /dev/null
+++ b/libixion.spec
@@ -0,0 +1,97 @@
+Name:          libixion
+Version:       0.3.0.git20130212
+Release:       1mamba
+Summary:       A general purpose formula parser and interpreter that can calculate multiple named targets, or “cells”
+Group:         System/Libraries
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           http://gitorious.org/ixion/pages/Home
+# version 0.5.0 created from git
+Source:        http://kohei.us/files/ixion/src/libixion-%{version}.tar.bz2
+Patch0:        libixion-0.3.0-boost.m4.patch
+Patch1:        libixion-0.3.0-automake.patch
+Patch2:        libixion-0.5.0-libboost-1.52.patch
+License:       MIT
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: libboost-devel
+BuildRequires: libgcc
+BuildRequires: libstdc++6-devel
+## AUTOBUILDREQ-END
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+
+%description
+Ixion is a general purpose formula parser & interpreter that can calculate multiple named targets, or “cells”.
+
+%package devel
+Group:         Development/Libraries
+Summary:       Development files for %{name}
+Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
+Requires:      pkg-config
+
+%description devel
+This package contains libraries and header files for developing applications that use %{name}.
+
+%package tools
+Group:         Applications/Publishing
+Summary:       Utility applications for %{name}
+Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
+
+%description tools
+This package contains utility applications for %{name}.
+
+%debug_package
+
+%prep
+%setup -q
+#%patch0 -p1
+#%patch1 -p1
+%patch2 -p1
+
+%build
+#./autogen.sh
+%configure
+%make
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%makeinstall
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%post -p /sbin/ldconfig
+%postun -p /sbin/ldconfig
+
+%files
+%defattr(-,root,root)
+%{_libdir}/libixion-0.6.so.*
+%doc AUTHORS COPYING
+
+%files devel
+%defattr(-,root,root)
+%dir %{_includedir}/libixion-0.6/ixion
+%{_includedir}/libixion-0.6/ixion/*.hpp
+%dir %{_includedir}/libixion-0.6/ixion/interface
+%{_includedir}/libixion-0.6/ixion/interface/*.hpp
+%dir %{_includedir}/libixion-0.6/ixion/hash_container
+%{_includedir}/libixion-0.6/ixion/hash_container/*.hpp
+%{_libdir}/libixion-0.6.a
+%{_libdir}/libixion-0.6.la
+%{_libdir}/libixion-0.6.so
+%{_libdir}/pkgconfig/libixion-0.6.pc
+%doc README
+
+%files tools
+%defattr(-,root,root)
+%{_bindir}/ixion-parser
+%{_bindir}/ixion-sorter
+%{_bindir}/ixion-test
+
+%changelog
+* Tue Feb 12 2013 Silvan Calarco <silvan.calarco@mambasoft.it> 0.3.0.git20130212-1mamba
+- update to 0.3.0.git20130212
+
+* Tue Feb 12 2013 Silvan Calarco <silvan.calarco@mambasoft.it> 0.3.0-1mamba
+- package created by silvan using the webbuild interface