Use boost::format from the boost package

Note that this only requires headers from boost so it doesn't add a
runtime dependency.

Also, use Nixpkgs 18.03.

18 files changed, 6 insertions, 2437 deletions

diff --git a/src/boost/assert.hpp b/src/boost/assert.hpp
deleted file mode 100644
index 754ebb954..000000000
--- a/src/boost/assert.hpp
+++ /dev/null
@@ -1,38 +0,0 @@
-//
-//  boost/assert.hpp - BOOST_ASSERT(expr)
-//
-//  Copyright (c) 2001, 2002 Peter Dimov and Multi Media Ltd.
-//
-//  Permission to copy, use, modify, sell and distribute this software
-//  is granted provided this copyright notice appears in all copies.
-//  This software is provided "as is" without express or implied
-//  warranty, and with no claim as to its suitability for any purpose.
-//
-//  Note: There are no include guards. This is intentional.
-//
-//  See http://www.boost.org/libs/utility/assert.html for documentation.
-//
-
-#undef BOOST_ASSERT
-
-#if defined(BOOST_DISABLE_ASSERTS)
-
-# define BOOST_ASSERT(expr) ((void)0)
-
-#elif defined(BOOST_ENABLE_ASSERT_HANDLER)
-
-#include <boost/current_function.hpp>
-
-namespace boost
-{
-
-void assertion_failed(char const * expr, char const * function, char const * file, long line); // user defined
-
-} // namespace boost
-
-#define BOOST_ASSERT(expr) ((expr)? ((void)0): ::boost::assertion_failed(#expr, BOOST_CURRENT_FUNCTION, __FILE__, __LINE__))
-
-#else
-# include <assert.h>
-# define BOOST_ASSERT(expr) assert(expr)
-#endif
diff --git a/src/boost/format.hpp b/src/boost/format.hpp
deleted file mode 100644
index f965f0f33..000000000
--- a/src/boost/format.hpp
+++ /dev/null
@@ -1,64 +0,0 @@
-// -*- C++ -*-
-//  Boost general library 'format'   ---------------------------
-//  See http://www.boost.org for updates, documentation, and revision history.
-
-//  (C) Samuel Krempp 2001
-//                  krempp@crans.ens-cachan.fr
-//  Permission to copy, use, modify, sell and
-//  distribute this software is granted provided this copyright notice appears
-//  in all copies. This software is provided "as is" without express or implied
-//  warranty, and with no claim as to its suitability for any purpose.
-
-// ideas taken from Rüdiger Loos's format class
-// and Karl Nelson's ofstream
-
-// ----------------------------------------------------------------------------
-// format.hpp :  primary header
-// ----------------------------------------------------------------------------
-
-#ifndef BOOST_FORMAT_HPP
-#define BOOST_FORMAT_HPP
-
-#include <vector>
-#include <string>
-#include <sstream>
-#include <cassert>
-
-#if HAVE_LOCALE
-#include <locale>
-#else
-#define BOOST_NO_STD_LOCALE
-#define BOOST_NO_LOCALE_ISIDIGIT
-#include <cctype>
-#endif
-
-#include <boost/format/macros_default.hpp>
-
-
-// ****  Forward declarations ----------------------------------
-#include <boost/format/format_fwd.hpp>           // basic_format<Ch,Tr>, and other frontends
-#include <boost/format/internals_fwd.hpp>        // misc forward declarations for internal use
-
-
-// ****  Auxiliary structs (stream_format_state<Ch,Tr> , and format_item<Ch,Tr> )
-#include <boost/format/internals.hpp>    
-
-// ****  Format  class  interface --------------------------------
-#include <boost/format/format_class.hpp>
-
-// **** Exceptions -----------------------------------------------
-#include <boost/format/exceptions.hpp>
-
-// **** Implementation -------------------------------------------
-//#include <boost/format/format_implementation.hpp>   // member functions
-
-#include <boost/format/group.hpp>                   // class for grouping arguments
-
-#include <boost/format/feed_args.hpp>               // argument-feeding functions
-//#include <boost/format/parsing.hpp>                 // format-string parsing (member-)functions
-
-// **** Implementation of the free functions ----------------------
-//#include <boost/format/free_funcs.hpp>
-
-
-#endif // BOOST_FORMAT_HPP
diff --git a/src/boost/format/exceptions.hpp b/src/boost/format/exceptions.hpp
deleted file mode 100644
index a7641458c..000000000
--- a/src/boost/format/exceptions.hpp
+++ /dev/null
@@ -1,96 +0,0 @@
-// -*- C++ -*-
-//  Boost general library 'format'   ---------------------------
-//  See http://www.boost.org for updates, documentation, and revision history.
-
-//  (C) Samuel Krempp 2001
-//                  krempp@crans.ens-cachan.fr
-//  Permission to copy, use, modify, sell and
-//  distribute this software is granted provided this copyright notice appears
-//  in all copies. This software is provided "as is" without express or implied
-//  warranty, and with no claim as to its suitability for any purpose.
-
-// ideas taken from Rüdiger Loos's format class
-// and Karl Nelson's ofstream (also took its parsing code as basis for printf parsing)
-
-// ------------------------------------------------------------------------------
-// exceptions.hpp 
-// ------------------------------------------------------------------------------
-
-
-#ifndef BOOST_FORMAT_EXCEPTIONS_HPP
-#define BOOST_FORMAT_EXCEPTIONS_HPP
-
-
-#include <stdexcept>
-
-
-namespace boost {
-
-namespace io {
-
-// **** exceptions -----------------------------------------------
-
-class format_error : public std::exception
-{
-public:
-  format_error() { abort(); }
-  virtual const char *what() const throw()
-  {
-    return "boost::format_error: "
-      "format generic failure";
-  }
-};
-
-class bad_format_string : public format_error
-{
-public:
-  bad_format_string() { abort(); }
-  virtual const char *what() const throw()
-  {
-    return "boost::bad_format_string: "
-      "format-string is ill-formed";
-  }
-};
-
-class too_few_args : public format_error
-{
-public:
-  too_few_args() { abort(); }
-  virtual const char *what() const throw()
-  {
-    return "boost::too_few_args: "
-      "format-string refered to more arguments than were passed";
-  }
-};
-
-class too_many_args : public format_error
-{
-public:
-  too_many_args() { abort(); }
-  virtual const char *what() const throw()
-  {
-    return "boost::too_many_args: "
-      "format-string refered to less arguments than were passed";
-  }
-};
-
-
-class  out_of_range : public format_error
-{
-public:
-  out_of_range() { abort(); }
-  virtual const char *what() const throw()
-  {
-    return "boost::out_of_range: "
-      "tried to refer to an argument (or item) number which is out of range, "
-      "according to the format string.";
-  }
-};
-
-
-} // namespace io
-
-} // namespace boost
-
-
-#endif // BOOST_FORMAT_EXCEPTIONS_HPP
diff --git a/src/boost/format/feed_args.hpp b/src/boost/format/feed_args.hpp
deleted file mode 100644
index cdd57fdf2..000000000
--- a/src/boost/format/feed_args.hpp
+++ /dev/null
@@ -1,254 +0,0 @@
-// -*- C++ -*-
-//  Boost general library 'format'   ---------------------------
-//  See http://www.boost.org for updates, documentation, and revision history.
-
-//  (C) Samuel Krempp 2001
-//                  krempp@crans.ens-cachan.fr
-//  Permission to copy, use, modify, sell and
-//  distribute this software is granted provided this copyright notice appears
-//  in all copies. This software is provided "as is" without express or implied
-//  warranty, and with no claim as to its suitability for any purpose.
-
-// ideas taken from Rüdiger Loos's format class
-// and Karl Nelson's ofstream
-
-// ----------------------------------------------------------------------------
-// feed_args.hpp :  functions for processing each argument 
-//                      (feed, feed_manip, and distribute)
-// ----------------------------------------------------------------------------
-
-
-#ifndef BOOST_FORMAT_FEED_ARGS_HPP
-#define BOOST_FORMAT_FEED_ARGS_HPP
-
-#include "boost/format/format_class.hpp"
-#include "boost/format/group.hpp"
-
-#include "boost/throw_exception.hpp"
-
-namespace boost {
-namespace io {
-namespace detail {
-namespace  { 
-
-  inline
-  void empty_buf(BOOST_IO_STD ostringstream & os) { 
-    static const std::string emptyStr;
-    os.str(emptyStr); 
-  }
-
-  void do_pad( std::string & s, 
-                std::streamsize w, 
-                const char c, 
-                std::ios::fmtflags f, 
-                bool center)
-    __attribute__ ((unused));
-
-  void do_pad( std::string & s, 
-                std::streamsize w, 
-                const char c, 
-                std::ios::fmtflags f, 
-                bool center) 
-    // applies centered / left / right  padding  to the string s.
-    // Effects : string s is padded.
-  {
-    std::streamsize n=w-s.size();
-    if(n<=0) {
-      return;
-    }
-    if(center) 
-      {
-        s.reserve(w); // allocate once for the 2 inserts
-        const std::streamsize n1 = n /2, n0 = n - n1; 
-        s.insert(s.begin(), n0, c);
-        s.append(n1, c);
-      } 
-    else 
-      {
-        if(f & std::ios::left) {
-          s.append(n, c);
-        }
-        else {
-          s.insert(s.begin(), n, c);
-        }
-      }
-  } // -do_pad(..) 
-
-
-  template<class T> inline
-  void put_head(BOOST_IO_STD ostream& , const T& ) {
-  }
-
-  template<class T> inline
-  void put_head( BOOST_IO_STD ostream& os, const group1<T>& x ) {
-    os << group_head(x.a1_); // send the first N-1 items, not the last
-  }
-
-  template<class T> inline
-  void put_last( BOOST_IO_STD ostream& os, const T& x ) {
-    os << x ;
-  }
-
-  template<class T> inline
-  void put_last( BOOST_IO_STD ostream& os, const group1<T>& x ) {
-    os << group_last(x.a1_); // this selects the last element
-  }
-
-#ifndef BOOST_NO_OVERLOAD_FOR_NON_CONST 
-  template<class T> inline
-  void put_head( BOOST_IO_STD ostream& , T& ) {
-  }
-
-  template<class T> inline
-  void put_last( BOOST_IO_STD ostream& os, T& x ) {
-    os << x ;
-  }
-#endif
-
-
-
-  
-template<class T> 
-void put( T x, 
-          const format_item& specs, 
-          std::string & res, 
-          BOOST_IO_STD ostringstream& oss_ )
-{
-  // does the actual conversion of x, with given params, into a string
-  // using the *supplied* strinstream. (the stream state is important)
-
-  typedef std::string string_t;
-  typedef format_item  format_item_t;
-
-  stream_format_state   prev_state(oss_);
-    
-  specs.state_.apply_on(oss_);
-
-  // in case x is a group, apply the manip part of it, 
-  // in order to find width
-  put_head( oss_, x );
-  empty_buf( oss_);
-
-  const std::streamsize w=oss_.width();
-  const std::ios::fmtflags fl=oss_.flags();
-  const bool internal = (fl & std::ios::internal) != 0;
-  const bool two_stepped_padding = internal
-    &&  ! ( specs.pad_scheme_ & format_item_t::spacepad ) 
-    && specs.truncate_ < 0 ;
-      
-
-  if(! two_stepped_padding) 
-    {
-      if(w>0) // handle simple padding via do_pad, not natively in stream 
-        oss_.width(0);
-      put_last( oss_, x);
-      res = oss_.str();
-
-      if (specs.truncate_ >= 0)
-        res.erase(specs.truncate_);
-
-      // complex pads :
-      if(specs.pad_scheme_ & format_item_t::spacepad)
-        {
-          if( res.size()==0 ||   ( res[0]!='+' && res[0]!='-'  ))
-            {
-              res.insert(res.begin(), 1, ' '); // insert 1 space at  pos 0
-            }
-        }
-      if(w > 0) // need do_pad
-        {
-          do_pad(res,w,oss_.fill(), fl, (specs.pad_scheme_ & format_item_t::centered) !=0 );
-        }
-    } 
-  else  // 2-stepped padding
-    {
-      put_last( oss_, x); // oss_.width() may result in padding.
-      res = oss_.str();
-      
-      if (specs.truncate_ >= 0)
-        res.erase(specs.truncate_);
-
-      if( res.size() - w > 0)
-        { //   length w exceeded
-          // either it was multi-output with first output padding up all width..
-          // either it was one big arg and we are fine.
-          empty_buf( oss_);
-          oss_.width(0);
-          put_last(oss_, x );
-          string_t tmp = oss_.str();  // minimal-length output
-          std::streamsize d;
-          if( (d=w - tmp.size()) <=0 ) 
-            {
-              // minimal length is already >= w, so no padding  (cool!)
-              res.swap(tmp);
-            }
-          else
-            { // hum..  we need to pad (it was necessarily multi-output)
-              typedef typename string_t::size_type size_type;
-              size_type i = 0;
-              while( i<tmp.size() && tmp[i] == res[i] ) // find where we should pad.
-                ++i;
-              tmp.insert(i, static_cast<size_type>( d ), oss_.fill());
-              res.swap( tmp );
-            }
-        }
-      else 
-        { // okay, only one thing was printed and padded, so res is fine.
-        }
-    }
-
-  prev_state.apply_on(oss_);
-  empty_buf( oss_);
-  oss_.clear();
-} // end- put(..)
-
-
-}  // local namespace
-
-
-
-
-
-template<class T> 
-void distribute(basic_format& self, T x) 
-  // call put(x, ..) on every occurence of the current argument :
-{
-  if(self.cur_arg_ >= self.num_args_)
-    {
-      if( self.exceptions() & too_many_args_bit )
-        boost::throw_exception(too_many_args()); // too many variables have been supplied !
-      else return;
-    }
-  for(unsigned long i=0; i < self.items_.size(); ++i)
-    {
-      if(self.items_[i].argN_ == self.cur_arg_)
-        {
-          put<T> (x, self.items_[i], self.items_[i].res_, self.oss_ );
-        }
-    }
-}
-
-template<class T> 
-basic_format&  feed(basic_format& self, T x) 
-{
-  if(self.dumped_) self.clear();
-  distribute<T> (self, x);
-  ++self.cur_arg_;
-  if(self.bound_.size() != 0)
-    {
-      while( self.cur_arg_ < self.num_args_ && self.bound_[self.cur_arg_] )
-        ++self.cur_arg_;
-    }
-
-  // this arg is finished, reset the stream's format state
-  self.state0_.apply_on(self.oss_);
-  return self;
-}
-    
-
-} // namespace detail
-} // namespace io
-} // namespace boost
-
-
-#endif //  BOOST_FORMAT_FEED_ARGS_HPP
diff --git a/src/boost/format/format_class.hpp b/src/boost/format/format_class.hpp
deleted file mode 100644
index 6875623ac..000000000
--- a/src/boost/format/format_class.hpp
+++ /dev/null
@@ -1,135 +0,0 @@
-// -*- C++ -*-
-//  Boost general library 'format'   ---------------------------
-//  See http://www.boost.org for updates, documentation, and revision history.
-
-//  (C) Samuel Krempp 2001
-//                  krempp@crans.ens-cachan.fr
-//  Permission to copy, use, modify, sell and
-//  distribute this software is granted provided this copyright notice appears
-//  in all copies. This software is provided "as is" without express or implied
-//  warranty, and with no claim as to its suitability for any purpose.
-
-// ideas taken from Rüdiger Loos's format class
-// and Karl Nelson's ofstream (also took its parsing code as basis for printf parsing)
-
-// ------------------------------------------------------------------------------
-// format_class.hpp :  class interface
-// ------------------------------------------------------------------------------
-
-
-#ifndef BOOST_FORMAT_CLASS_HPP
-#define BOOST_FORMAT_CLASS_HPP
-
-#include <vector>
-#include <string>
-
-#include <boost/format/format_fwd.hpp>
-#include <boost/format/internals_fwd.hpp>
-
-#include <boost/format/internals.hpp>
-
-namespace boost {
-
-class basic_format 
-{
-public:
-  typedef std::string                string_t;
-  typedef BOOST_IO_STD ostringstream internal_stream_t;
-private:
-  typedef BOOST_IO_STD ostream       stream_t;
-  typedef io::detail::stream_format_state  stream_format_state;
-  typedef io::detail::format_item          format_item_t;
-
-public:
-  basic_format(const char* str);
-  basic_format(const string_t& s);
-#ifndef BOOST_NO_STD_LOCALE
-  basic_format(const char* str, const std::locale & loc);
-  basic_format(const string_t& s, const std::locale & loc);
-#endif // no locale
-  basic_format(const basic_format& x);
-  basic_format& operator= (const basic_format& x);
-
-  basic_format& clear(); // empty the string buffers (except bound arguments, see clear_binds() )
-
-  // pass arguments through those operators :
-  template<class T>  basic_format&   operator%(const T& x) 
-  { 
-    return io::detail::feed<const T&>(*this,x);
-  }
-
-#ifndef BOOST_NO_OVERLOAD_FOR_NON_CONST
-  template<class T>  basic_format&   operator%(T& x) 
-  {
-    return io::detail::feed<T&>(*this,x);
-  }
-#endif
-
-
-  // system for binding arguments :
-  template<class T>  
-  basic_format&         bind_arg(int argN, const T& val) 
-  {
-    return io::detail::bind_arg_body(*this, argN, val); 
-  }
-  basic_format&         clear_bind(int argN);
-  basic_format&         clear_binds();
-
-  // modify the params of a directive, by applying a manipulator :
-  template<class T> 
-  basic_format&  modify_item(int itemN, const T& manipulator) 
-  {
-    return io::detail::modify_item_body(*this, itemN, manipulator) ;
-  }
-
-  // Choosing which errors will throw exceptions :
-  unsigned char exceptions() const;
-  unsigned char exceptions(unsigned char newexcept);
-
-  // final output
-  string_t str() const;
-  friend BOOST_IO_STD ostream& 
-  operator<< ( BOOST_IO_STD ostream& , const basic_format& ); 
-                      
-
-  template<class T>  friend basic_format&  
-  io::detail::feed(basic_format&, T);
-    
-  template<class T>  friend   
-  void io::detail::distribute(basic_format&, T);
-  
-  template<class T>  friend
-  basic_format&  io::detail::modify_item_body(basic_format&, int, const T&);
-
-  template<class T> friend
-  basic_format&  io::detail::bind_arg_body(basic_format&, int, const T&);
-
-// make the members private only if the friend templates are supported
-private:
-
-  // flag bits, used for style_
-  enum style_values  { ordered = 1,        // set only if all directives are  positional directives
-                       special_needs = 4 };     
-
-  // parse the format string :
-  void parse(const string_t&);
-
-  int                           style_;         // style of format-string :  positional or not, etc
-  int                           cur_arg_;       // keep track of wich argument will come
-  int                           num_args_;      // number of expected arguments
-  mutable bool                  dumped_;        // true only after call to str() or <<
-  std::vector<format_item_t>    items_;         // vector of directives (aka items)
-  string_t                      prefix_;        // piece of string to insert before first item
-
-  std::vector<bool>             bound_;         // stores which arguments were bound
-                                                //   size = num_args OR zero
-  internal_stream_t             oss_;           // the internal stream.
-  stream_format_state           state0_;        // reference state for oss_
-  unsigned char                 exceptions_;
-}; // class basic_format
-
-
-} // namespace boost
-
-
-#endif // BOOST_FORMAT_CLASS_HPP
diff --git a/src/boost/format/format_fwd.hpp b/src/boost/format/format_fwd.hpp
deleted file mode 100644
index 97c55f668..000000000
--- a/src/boost/format/format_fwd.hpp
+++ /dev/null
@@ -1,49 +0,0 @@
-// -*- C++ -*-
-//  Boost general library 'format'   ---------------------------
-//  See http://www.boost.org for updates, documentation, and revision history.
-
-//  (C) Samuel Krempp 2001
-//                  krempp@crans.ens-cachan.fr
-//  Permission to copy, use, modify, sell and
-//  distribute this software is granted provided this copyright notice appears
-//  in all copies. This software is provided "as is" without express or implied
-//  warranty, and with no claim as to its suitability for any purpose.
-
-// ideas taken from Rüdiger Loos's format class
-// and Karl Nelson's ofstream (also took its parsing code as basis for printf parsing)
-
-// ------------------------------------------------------------------------------
-// format_fwd.hpp :  forward declarations, for primary header format.hpp
-// ------------------------------------------------------------------------------
-
-#ifndef BOOST_FORMAT_FWD_HPP
-#define BOOST_FORMAT_FWD_HPP
-
-#include <string>
-#include <iosfwd>
-
-namespace boost {
-
-class basic_format;
-
-typedef basic_format    format;
-
-namespace io {
-enum format_error_bits { bad_format_string_bit = 1, 
-                         too_few_args_bit = 2, too_many_args_bit = 4,
-                         out_of_range_bit = 8,
-                         all_error_bits = 255, no_error_bits=0 };
-                  
-// Convertion:  format   to   string
-std::string     str(const basic_format& ) ;
-
-} // namespace io
-
-
-BOOST_IO_STD ostream& 
-operator<<( BOOST_IO_STD ostream&, const basic_format&);
-
-
-} // namespace boost
-
-#endif // BOOST_FORMAT_FWD_HPP
diff --git a/src/boost/format/format_implementation.cc b/src/boost/format/format_implementation.cc
deleted file mode 100644
index aa191afe1..000000000
--- a/src/boost/format/format_implementation.cc
+++ /dev/null
@@ -1,256 +0,0 @@
-// -*- C++ -*-
-//  Boost general library format ---------------------------
-//  See http://www.boost.org for updates, documentation, and revision history.
-
-//  (C) Samuel Krempp 2001
-//                  krempp@crans.ens-cachan.fr
-//  Permission to copy, use, modify, sell and
-//  distribute this software is granted provided this copyright notice appears
-//  in all copies. This software is provided "as is" without express or implied
-//  warranty, and with no claim as to its suitability for any purpose.
-
-// ideas taken from Rüdiger Loos's format class
-// and Karl Nelson's ofstream
-
-// ----------------------------------------------------------------------------
-// format_implementation.hpp  Implementation of the basic_format class
-// ----------------------------------------------------------------------------
-
-
-#ifndef BOOST_FORMAT_IMPLEMENTATION_HPP
-#define BOOST_FORMAT_IMPLEMENTATION_HPP
-
-#include <boost/throw_exception.hpp>
-#include <boost/assert.hpp>
-#include <boost/format.hpp>
-
-namespace boost {
-
-// --------  format:: -------------------------------------------
-basic_format::basic_format(const char* str)
-    : style_(0), cur_arg_(0), num_args_(0), dumped_(false),
-      items_(), oss_(), exceptions_(io::all_error_bits)
-{
-    state0_.set_by_stream(oss_);
-    string_t emptyStr;
-    if( !str) str = emptyStr.c_str();
-    parse( str );
-}
-
-#ifndef BOOST_NO_STD_LOCALE
-basic_format::basic_format(const char* str, const std::locale & loc)
-    : style_(0), cur_arg_(0), num_args_(0), dumped_(false),
-      items_(), oss_(), exceptions_(io::all_error_bits)
-{
-    oss_.imbue( loc );
-    state0_.set_by_stream(oss_);
-    string_t emptyStr;
-    if( !str) str = emptyStr.c_str();
-    parse( str );
-}
-
-basic_format::basic_format(const string_t& s, const std::locale & loc)
-    : style_(0), cur_arg_(0), num_args_(0), dumped_(false),
-      items_(),  oss_(), exceptions_(io::all_error_bits)
-{
-    oss_.imbue( loc );
-    state0_.set_by_stream(oss_);
-    parse(s);  
-}
-#endif //BOOST_NO_STD_LOCALE
-
-basic_format::basic_format(const string_t& s)
-    : style_(0), cur_arg_(0), num_args_(0), dumped_(false),
-      items_(),  oss_(), exceptions_(io::all_error_bits)
-{
-    state0_.set_by_stream(oss_);
-    parse(s);  
-}
-
-basic_format:: basic_format(const basic_format& x)
-    : style_(x.style_), cur_arg_(x.cur_arg_), num_args_(x.num_args_), dumped_(false), 
-      items_(x.items_), prefix_(x.prefix_), bound_(x.bound_), 
-      oss_(),   // <- we obviously can't copy x.oss_
-      state0_(x.state0_), exceptions_(x.exceptions_)
-{ 
-    state0_.apply_on(oss_);
-} 
-
-basic_format& basic_format::operator= (const basic_format& x)
-{
-    if(this == &x)
-      return *this;
-    state0_ = x.state0_;
-    state0_.apply_on(oss_);
-
-    // plus all the other (trivial) assignments :
-    exceptions_ = x.exceptions_;
-    items_ = x.items_;
-    prefix_ = x.prefix_;
-    bound_=x.bound_;
-    style_=x.style_; 
-    cur_arg_=x.cur_arg_; 
-    num_args_=x.num_args_;
-    dumped_=x.dumped_;
-    return *this;
-}
-
-
-unsigned char basic_format::exceptions() const 
-{
-  return exceptions_; 
-}
-
-unsigned char basic_format::exceptions(unsigned char newexcept) 
-{ 
-  unsigned char swp = exceptions_; 
-  exceptions_ = newexcept; 
-  return swp; 
-}
-
-
-basic_format& basic_format ::clear()
-  // empty the string buffers (except bound arguments, see clear_binds() )
-  // and make the format object ready for formatting a new set of arguments
-{
-    BOOST_ASSERT( bound_.size()==0 || num_args_ == static_cast<int>(bound_.size()) );
-
-    for(unsigned long i=0; i<items_.size(); ++i){
-      items_[i].state_ = items_[i].ref_state_;
-      // clear converted strings only if the corresponding argument is not  bound :
-      if( bound_.size()==0 || !bound_[ items_[i].argN_ ] )  items_[i].res_.resize(0);
-    }
-    cur_arg_=0; dumped_=false;
-    // maybe first arg is bound:
-    if(bound_.size() != 0)
-      {
-        while(cur_arg_ < num_args_ && bound_[cur_arg_] )      ++cur_arg_;
-      }
-    return *this;
-}
-
-basic_format& basic_format ::clear_binds() 
-  // cancel all bindings, and clear()
-{
-    bound_.resize(0);
-    clear();
-    return *this;
-}
-
-basic_format& basic_format::clear_bind(int argN) 
-  // cancel the binding of ONE argument, and clear()
-{
-    if(argN<1 || argN > num_args_ || bound_.size()==0 || !bound_[argN-1] ) 
-      {
-        if( exceptions() & io::out_of_range_bit )
-          boost::throw_exception(io::out_of_range()); // arg not in range.
-        else return *this;
-      }
-    bound_[argN-1]=false;
-    clear();
-    return *this;
-}
-
-
-
-std::string basic_format::str() const
-{
-  dumped_=true;
-  if(items_.size()==0)
-    return prefix_;
-  if( cur_arg_ < num_args_)
-      if( exceptions() & io::too_few_args_bit )
-        boost::throw_exception(io::too_few_args()); // not enough variables have been supplied !
-
-  unsigned long sz = prefix_.size();
-  unsigned long i;
-  for(i=0; i < items_.size(); ++i) 
-    sz += items_[i].res_.size() + items_[i].appendix_.size();
-  string_t res;
-  res.reserve(sz);
-
-  res += prefix_;
-  for(i=0; i < items_.size(); ++i) 
-  {
-    const format_item_t& item = items_[i];
-    res += item.res_;
-    if( item.argN_ == format_item_t::argN_tabulation) 
-    { 
-      BOOST_ASSERT( item.pad_scheme_ & format_item_t::tabulation);
-      std::streamsize  n = item.state_.width_ - res.size();
-      if( n > 0 )
-        res.append( n, item.state_.fill_ );
-    }
-    res += item.appendix_;
-  }
-  return res;
-}
-
-namespace io {
-namespace detail {
-
-template<class T>
-basic_format&  bind_arg_body( basic_format& self, 
-                                      int argN, 
-                                      const T& val)
-  // bind one argument to a fixed value
-  // this is persistent over clear() calls, thus also over str() and <<
-{
-    if(self.dumped_) self.clear(); // needed, because we will modify cur_arg_..
-    if(argN<1 || argN > self.num_args_) 
-      {
-        if( self.exceptions() & io::out_of_range_bit )
-          boost::throw_exception(io::out_of_range()); // arg not in range.
-        else return self;
-      }
-    if(self.bound_.size()==0) 
-      self.bound_.assign(self.num_args_,false);
-    else 
-      BOOST_ASSERT( self.num_args_ == static_cast<signed int>(self.bound_.size()) );
-    int o_cur_arg = self.cur_arg_;
-    self.cur_arg_ = argN-1; // arrays begin at 0
-
-    self.bound_[self.cur_arg_]=false; // if already set, we unset and re-sets..
-    self.operator%(val); // put val at the right place, because cur_arg is set
-    
-
-    // Now re-position cur_arg before leaving :
-    self.cur_arg_ = o_cur_arg; 
-    self.bound_[argN-1]=true;
-    if(self.cur_arg_ == argN-1 )
-      // hum, now this arg is bound, so move to next free arg
-      {
-        while(self.cur_arg_ < self.num_args_ && self.bound_[self.cur_arg_])   ++self.cur_arg_;
-      }
-    // In any case, we either have all args, or are on a non-binded arg :
-    BOOST_ASSERT( self.cur_arg_ >= self.num_args_ || ! self.bound_[self.cur_arg_]);
-    return self;
-}
-
-template<class T>
-basic_format&  modify_item_body( basic_format& self,
-                                      int itemN, 
-                                      const T& manipulator)
-  // applies a manipulator to the format_item describing a given directive.
-  // this is a permanent change, clear or clear_binds won't cancel that.
-{
-  if(itemN<1 || itemN >= static_cast<signed int>(self.items_.size() )) 
-    {
-      if( self.exceptions() & io::out_of_range_bit ) 
-        boost::throw_exception(io::out_of_range()); // item not in range.
-      else return self;
-    }
-  self.items_[itemN-1].ref_state_.apply_manip( manipulator );
-  self.items_[itemN-1].state_ = self.items_[itemN-1].ref_state_;
-  return self;
-}
-
-} // namespace detail
-
-} // namespace io
-
-} // namespace boost
-
-
-
-#endif  // BOOST_FORMAT_IMPLEMENTATION_HPP
diff --git a/src/boost/format/free_funcs.cc b/src/boost/format/free_funcs.cc
deleted file mode 100644
index 151db37a0..000000000
--- a/src/boost/format/free_funcs.cc
+++ /dev/null
@@ -1,71 +0,0 @@
-// -*- C++ -*-
-//  Boost general library 'format'   ---------------------------
-//  See http://www.boost.org for updates, documentation, and revision history.
-
-//  (C) Samuel Krempp 2001
-//                  krempp@crans.ens-cachan.fr
-//  Permission to copy, use, modify, sell and
-//  distribute this software is granted provided this copyright notice appears
-//  in all copies. This software is provided "as is" without express or implied
-//  warranty, and with no claim as to its suitability for any purpose.
-
-// ideas taken from Rüdiger Loos's format class
-// and Karl Nelson's ofstream (also took its parsing code as basis for printf parsing)
-
-// ------------------------------------------------------------------------------
-// free_funcs.hpp :  implementation of the free functions declared in namespace format
-// ------------------------------------------------------------------------------
-
-#ifndef BOOST_FORMAT_FUNCS_HPP
-#define BOOST_FORMAT_FUNCS_HPP
-
-#include "boost/format.hpp"
-#include "boost/throw_exception.hpp"
-
-namespace boost {
-
-namespace io {
-  inline 
-  std::string str(const basic_format& f) 
-    // adds up all pieces of strings and converted items, and return the formatted string
-  {
-    return f.str();
-  }
-}   // - namespace io
-
-BOOST_IO_STD ostream& 
-operator<<( BOOST_IO_STD ostream& os, 
-            const boost::basic_format& f) 
-  // effect: "return os << str(f);" but we can try to do it faster
-{
-  typedef boost::basic_format   format_t;
-  if(f.items_.size()==0) 
-    os << f.prefix_;
-  else {
-    if(f.cur_arg_ < f.num_args_)
-      if( f.exceptions() & io::too_few_args_bit )
-        boost::throw_exception(io::too_few_args()); // not enough variables have been supplied !
-    if(f.style_ & format_t::special_needs) 
-        os << f.str();
-    else {
-    // else we dont have to count chars output, so we dump directly to os :
-      os << f.prefix_;
-      for(unsigned long i=0; i<f.items_.size(); ++i) 
-        {
-          const format_t::format_item_t& item = f.items_[i];
-          os << item.res_;
-          os << item.appendix_;
-
-        }
-    }
-  }
-  f.dumped_=true;
-  return os;
-}
-
-
-
-} // namespace boost
-
-
-#endif // BOOST_FORMAT_FUNCS_HPP
diff --git a/src/boost/format/group.hpp b/src/boost/format/group.hpp
deleted file mode 100644
index ac63f3f0b..000000000
--- a/src/boost/format/group.hpp
+++ /dev/null
@@ -1,680 +0,0 @@
-
-// -*- C++ -*-
-//  Boost general library 'format'   ---------------------------
-//  See http://www.boost.org for updates, documentation, and revision history.
-
-//  (C) Samuel Krempp 2001
-//                  krempp@crans.ens-cachan.fr
-//  Permission to copy, use, modify, sell and
-//  distribute this software is granted provided this copyright notice appears
-//  in all copies. This software is provided "as is" without express or implied
-//  warranty, and with no claim as to its suitability for any purpose.
-
-// ideas taken from Rüdiger Loos's format class
-// and Karl Nelson's ofstream
-
-// ----------------------------------------------------------------------------
-
-// group.hpp :  encapsulates a group of manipulators along with an argument
-//                      
-// group_head : cut the last element of a group out.
-// (is overloaded below on each type of group)
-
-// group_last : returns the last element of a group
-// (is overloaded below on each type of group)
-
-// ----------------------------------------------------------------------------
-
-
-#ifndef BOOST_FORMAT_GROUP_HPP
-#define BOOST_FORMAT_GROUP_HPP
-
-
-namespace boost {
-namespace io {
-
-
-namespace detail {
-
-
-// empty group, but useful even though.
-struct group0 
-{
-    group0()      {}
-};
-
-template <class Ch, class Tr>
-inline
-BOOST_IO_STD ostream&
-operator << ( BOOST_IO_STD ostream& os,
-             const group0& )
-{ 
-   return os; 
-}
-
-template <class T1>
-struct group1
-{
-    T1 a1_;
-    group1(T1 a1)
-      : a1_(a1)
-      {}
-};
-
-template <class Ch, class Tr, class T1>
-inline
-BOOST_IO_STD ostream&
-operator << (BOOST_IO_STD ostream& os,
-             const group1<T1>& x)
-{ 
-   os << x.a1_;  
-   return os; 
-}
-
-
-
-
-template <class T1,class T2>
-struct group2
-{
-    T1 a1_;
-    T2 a2_;
-    group2(T1 a1,T2 a2)
-      : a1_(a1),a2_(a2)
-      {}
-};
-
-template <class Ch, class Tr, class T1,class T2>
-inline
-BOOST_IO_STD ostream&
-operator << (BOOST_IO_STD ostream& os,
-             const group2<T1,T2>& x)
-{ 
-   os << x.a1_<< x.a2_;  
-   return os; 
-}
-
-template <class T1,class T2,class T3>
-struct group3
-{
-    T1 a1_;
-    T2 a2_;
-    T3 a3_;
-    group3(T1 a1,T2 a2,T3 a3)
-      : a1_(a1),a2_(a2),a3_(a3)
-      {}
-};
-
-template <class Ch, class Tr, class T1,class T2,class T3>
-inline
-BOOST_IO_STD ostream&
-operator << (BOOST_IO_STD ostream& os,
-             const group3<T1,T2,T3>& x)
-{ 
-   os << x.a1_<< x.a2_<< x.a3_;  
-   return os; 
-}
-
-template <class T1,class T2,class T3,class T4>
-struct group4
-{
-    T1 a1_;
-    T2 a2_;
-    T3 a3_;
-    T4 a4_;
-    group4(T1 a1,T2 a2,T3 a3,T4 a4)
-      : a1_(a1),a2_(a2),a3_(a3),a4_(a4)
-      {}
-};
-
-template <class Ch, class Tr, class T1,class T2,class T3,class T4>
-inline
-BOOST_IO_STD ostream&
-operator << (BOOST_IO_STD ostream& os,
-             const group4<T1,T2,T3,T4>& x)
-{ 
-   os << x.a1_<< x.a2_<< x.a3_<< x.a4_;  
-   return os; 
-}
-
-template <class T1,class T2,class T3,class T4,class T5>
-struct group5
-{
-    T1 a1_;
-    T2 a2_;
-    T3 a3_;
-    T4 a4_;
-    T5 a5_;
-    group5(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5)
-      : a1_(a1),a2_(a2),a3_(a3),a4_(a4),a5_(a5)
-      {}
-};
-
-template <class Ch, class Tr, class T1,class T2,class T3,class T4,class T5>
-inline
-BOOST_IO_STD ostream&
-operator << (BOOST_IO_STD ostream& os,
-             const group5<T1,T2,T3,T4,T5>& x)
-{ 
-   os << x.a1_<< x.a2_<< x.a3_<< x.a4_<< x.a5_;  
-   return os; 
-}
-
-template <class T1,class T2,class T3,class T4,class T5,class T6>
-struct group6
-{
-    T1 a1_;
-    T2 a2_;
-    T3 a3_;
-    T4 a4_;
-    T5 a5_;
-    T6 a6_;
-    group6(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6)
-      : a1_(a1),a2_(a2),a3_(a3),a4_(a4),a5_(a5),a6_(a6)
-      {}
-};
-
-template <class Ch, class Tr, class T1,class T2,class T3,class T4,class T5,class T6>
-inline
-BOOST_IO_STD ostream&
-operator << (BOOST_IO_STD ostream& os,
-             const group6<T1,T2,T3,T4,T5,T6>& x)
-{ 
-   os << x.a1_<< x.a2_<< x.a3_<< x.a4_<< x.a5_<< x.a6_;  
-   return os; 
-}
-
-template <class T1,class T2,class T3,class T4,class T5,class T6,class T7>
-struct group7
-{
-    T1 a1_;
-    T2 a2_;
-    T3 a3_;
-    T4 a4_;
-    T5 a5_;
-    T6 a6_;
-    T7 a7_;
-    group7(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7)
-      : a1_(a1),a2_(a2),a3_(a3),a4_(a4),a5_(a5),a6_(a6),a7_(a7)
-      {}
-};
-
-template <class Ch, class Tr, class T1,class T2,class T3,class T4,class T5,class T6,class T7>
-inline
-BOOST_IO_STD ostream&
-operator << (BOOST_IO_STD ostream& os,
-             const group7<T1,T2,T3,T4,T5,T6,T7>& x)
-{ 
-   os << x.a1_<< x.a2_<< x.a3_<< x.a4_<< x.a5_<< x.a6_<< x.a7_;  
-   return os; 
-}
-
-template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8>
-struct group8
-{
-    T1 a1_;
-    T2 a2_;
-    T3 a3_;
-    T4 a4_;
-    T5 a5_;
-    T6 a6_;
-    T7 a7_;
-    T8 a8_;
-    group8(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7,T8 a8)
-      : a1_(a1),a2_(a2),a3_(a3),a4_(a4),a5_(a5),a6_(a6),a7_(a7),a8_(a8)
-      {}
-};
-
-template <class Ch, class Tr, class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8>
-inline
-BOOST_IO_STD ostream&
-operator << (BOOST_IO_STD ostream& os,
-             const group8<T1,T2,T3,T4,T5,T6,T7,T8>& x)
-{ 
-   os << x.a1_<< x.a2_<< x.a3_<< x.a4_<< x.a5_<< x.a6_<< x.a7_<< x.a8_;  
-   return os; 
-}
-
-template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9>
-struct group9
-{
-    T1 a1_;
-    T2 a2_;
-    T3 a3_;
-    T4 a4_;
-    T5 a5_;
-    T6 a6_;
-    T7 a7_;
-    T8 a8_;
-    T9 a9_;
-    group9(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7,T8 a8,T9 a9)
-      : a1_(a1),a2_(a2),a3_(a3),a4_(a4),a5_(a5),a6_(a6),a7_(a7),a8_(a8),a9_(a9)
-      {}
-};
-
-template <class Ch, class Tr, class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9>
-inline
-BOOST_IO_STD ostream&
-operator << (BOOST_IO_STD ostream& os,
-             const group9<T1,T2,T3,T4,T5,T6,T7,T8,T9>& x)
-{ 
-   os << x.a1_<< x.a2_<< x.a3_<< x.a4_<< x.a5_<< x.a6_<< x.a7_<< x.a8_<< x.a9_;  
-   return os; 
-}
-
-template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9,class T10>
-struct group10
-{
-    T1 a1_;
-    T2 a2_;
-    T3 a3_;
-    T4 a4_;
-    T5 a5_;
-    T6 a6_;
-    T7 a7_;
-    T8 a8_;
-    T9 a9_;
-    T10 a10_;
-    group10(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7,T8 a8,T9 a9,T10 a10)
-      : a1_(a1),a2_(a2),a3_(a3),a4_(a4),a5_(a5),a6_(a6),a7_(a7),a8_(a8),a9_(a9),a10_(a10)
-      {}
-};
-
-template <class Ch, class Tr, class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9,class T10>
-inline
-BOOST_IO_STD ostream&
-operator << (BOOST_IO_STD ostream& os,
-             const group10<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10>& x)
-{ 
-   os << x.a1_<< x.a2_<< x.a3_<< x.a4_<< x.a5_<< x.a6_<< x.a7_<< x.a8_<< x.a9_<< x.a10_;  
-   return os; 
-}
-
-
-
-
-template <class T1,class T2>
-inline
-group1<T1> 
-group_head( group2<T1,T2> const& x)
-{
-   return group1<T1> (x.a1_); 
-}
-
-template <class T1,class T2>
-inline
-group1<T2> 
-group_last( group2<T1,T2> const& x)
-{
-   return group1<T2> (x.a2_); 
-}
-
-
-
-template <class T1,class T2,class T3>
-inline
-group2<T1,T2> 
-group_head( group3<T1,T2,T3> const& x)
-{
-   return group2<T1,T2> (x.a1_,x.a2_); 
-}
-
-template <class T1,class T2,class T3>
-inline
-group1<T3> 
-group_last( group3<T1,T2,T3> const& x)
-{
-   return group1<T3> (x.a3_); 
-}
-
-
-
-template <class T1,class T2,class T3,class T4>
-inline
-group3<T1,T2,T3> 
-group_head( group4<T1,T2,T3,T4> const& x)
-{
-   return group3<T1,T2,T3> (x.a1_,x.a2_,x.a3_); 
-}
-
-template <class T1,class T2,class T3,class T4>
-inline
-group1<T4> 
-group_last( group4<T1,T2,T3,T4> const& x)
-{
-   return group1<T4> (x.a4_); 
-}
-
-
-
-template <class T1,class T2,class T3,class T4,class T5>
-inline
-group4<T1,T2,T3,T4> 
-group_head( group5<T1,T2,T3,T4,T5> const& x)
-{
-   return group4<T1,T2,T3,T4> (x.a1_,x.a2_,x.a3_,x.a4_); 
-}
-
-template <class T1,class T2,class T3,class T4,class T5>
-inline
-group1<T5> 
-group_last( group5<T1,T2,T3,T4,T5> const& x)
-{
-   return group1<T5> (x.a5_); 
-}
-
-
-
-template <class T1,class T2,class T3,class T4,class T5,class T6>
-inline
-group5<T1,T2,T3,T4,T5> 
-group_head( group6<T1,T2,T3,T4,T5,T6> const& x)
-{
-   return group5<T1,T2,T3,T4,T5> (x.a1_,x.a2_,x.a3_,x.a4_,x.a5_); 
-}
-
-template <class T1,class T2,class T3,class T4,class T5,class T6>
-inline
-group1<T6> 
-group_last( group6<T1,T2,T3,T4,T5,T6> const& x)
-{
-   return group1<T6> (x.a6_); 
-}
-
-
-
-template <class T1,class T2,class T3,class T4,class T5,class T6,class T7>
-inline
-group6<T1,T2,T3,T4,T5,T6> 
-group_head( group7<T1,T2,T3,T4,T5,T6,T7> const& x)
-{
-   return group6<T1,T2,T3,T4,T5,T6> (x.a1_,x.a2_,x.a3_,x.a4_,x.a5_,x.a6_); 
-}
-
-template <class T1,class T2,class T3,class T4,class T5,class T6,class T7>
-inline
-group1<T7> 
-group_last( group7<T1,T2,T3,T4,T5,T6,T7> const& x)
-{
-   return group1<T7> (x.a7_); 
-}
-
-
-
-template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8>
-inline
-group7<T1,T2,T3,T4,T5,T6,T7> 
-group_head( group8<T1,T2,T3,T4,T5,T6,T7,T8> const& x)
-{
-   return group7<T1,T2,T3,T4,T5,T6,T7> (x.a1_,x.a2_,x.a3_,x.a4_,x.a5_,x.a6_,x.a7_); 
-}
-
-template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8>
-inline
-group1<T8> 
-group_last( group8<T1,T2,T3,T4,T5,T6,T7,T8> const& x)
-{
-   return group1<T8> (x.a8_); 
-}
-
-
-
-template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9>
-inline
-group8<T1,T2,T3,T4,T5,T6,T7,T8> 
-group_head( group9<T1,T2,T3,T4,T5,T6,T7,T8,T9> const& x)
-{
-   return group8<T1,T2,T3,T4,T5,T6,T7,T8> (x.a1_,x.a2_,x.a3_,x.a4_,x.a5_,x.a6_,x.a7_,x.a8_); 
-}
-
-template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9>
-inline
-group1<T9> 
-group_last( group9<T1,T2,T3,T4,T5,T6,T7,T8,T9> const& x)
-{
-   return group1<T9> (x.a9_); 
-}
-
-
-
-template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9,class T10>
-inline
-group9<T1,T2,T3,T4,T5,T6,T7,T8,T9> 
-group_head( group10<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10> const& x)
-{
-   return group9<T1,T2,T3,T4,T5,T6,T7,T8,T9> (x.a1_,x.a2_,x.a3_,x.a4_,x.a5_,x.a6_,x.a7_,x.a8_,x.a9_); 
-}
-
-template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9,class T10>
-inline
-group1<T10> 
-group_last( group10<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10> const& x)
-{
-   return group1<T10> (x.a10_); 
-}
-
-
-
-
-
-} // namespace detail
-
-
-
-// helper functions
-
-
-inline detail::group1< detail::group0 >  
-group() { return detail::group1< detail::group0 > ( detail::group0() ); }
-
-template  <class T1, class Var> 
-inline
-detail::group1< detail::group2<T1, Var const&> >
-  group(T1 a1, Var const& var)
-{ 
-   return detail::group1< detail::group2<T1, Var const&> >
-                   ( detail::group2<T1, Var const&> 
-                        (a1, var) 
-                  );
-}
-
-template  <class T1,class T2, class Var> 
-inline
-detail::group1< detail::group3<T1,T2, Var const&> >
-  group(T1 a1,T2 a2, Var const& var)
-{ 
-   return detail::group1< detail::group3<T1,T2, Var const&> >
-                   ( detail::group3<T1,T2, Var const&> 
-                        (a1,a2, var) 
-                  );
-}
-
-template  <class T1,class T2,class T3, class Var> 
-inline
-detail::group1< detail::group4<T1,T2,T3, Var const&> >
-  group(T1 a1,T2 a2,T3 a3, Var const& var)
-{ 
-   return detail::group1< detail::group4<T1,T2,T3, Var const&> >
-                   ( detail::group4<T1,T2,T3, Var const&> 
-                        (a1,a2,a3, var) 
-                  );
-}
-
-template  <class T1,class T2,class T3,class T4, class Var> 
-inline
-detail::group1< detail::group5<T1,T2,T3,T4, Var const&> >
-  group(T1 a1,T2 a2,T3 a3,T4 a4, Var const& var)
-{ 
-   return detail::group1< detail::group5<T1,T2,T3,T4, Var const&> >
-                   ( detail::group5<T1,T2,T3,T4, Var const&> 
-                        (a1,a2,a3,a4, var) 
-                  );
-}
-
-template  <class T1,class T2,class T3,class T4,class T5, class Var> 
-inline
-detail::group1< detail::group6<T1,T2,T3,T4,T5, Var const&> >
-  group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5, Var const& var)
-{ 
-   return detail::group1< detail::group6<T1,T2,T3,T4,T5, Var const&> >
-                   ( detail::group6<T1,T2,T3,T4,T5, Var const&> 
-                        (a1,a2,a3,a4,a5, var) 
-                  );
-}
-
-template  <class T1,class T2,class T3,class T4,class T5,class T6, class Var> 
-inline
-detail::group1< detail::group7<T1,T2,T3,T4,T5,T6, Var const&> >
-  group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6, Var const& var)
-{ 
-   return detail::group1< detail::group7<T1,T2,T3,T4,T5,T6, Var const&> >
-                   ( detail::group7<T1,T2,T3,T4,T5,T6, Var const&> 
-                        (a1,a2,a3,a4,a5,a6, var) 
-                  );
-}
-
-template  <class T1,class T2,class T3,class T4,class T5,class T6,class T7, class Var> 
-inline
-detail::group1< detail::group8<T1,T2,T3,T4,T5,T6,T7, Var const&> >
-  group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7, Var const& var)
-{ 
-   return detail::group1< detail::group8<T1,T2,T3,T4,T5,T6,T7, Var const&> >
-                   ( detail::group8<T1,T2,T3,T4,T5,T6,T7, Var const&> 
-                        (a1,a2,a3,a4,a5,a6,a7, var) 
-                  );
-}
-
-template  <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8, class Var> 
-inline
-detail::group1< detail::group9<T1,T2,T3,T4,T5,T6,T7,T8, Var const&> >
-  group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7,T8 a8, Var const& var)
-{ 
-   return detail::group1< detail::group9<T1,T2,T3,T4,T5,T6,T7,T8, Var const&> >
-                   ( detail::group9<T1,T2,T3,T4,T5,T6,T7,T8, Var const&> 
-                        (a1,a2,a3,a4,a5,a6,a7,a8, var) 
-                  );
-}
-
-template  <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9, class Var> 
-inline
-detail::group1< detail::group10<T1,T2,T3,T4,T5,T6,T7,T8,T9, Var const&> >
-  group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7,T8 a8,T9 a9, Var const& var)
-{ 
-   return detail::group1< detail::group10<T1,T2,T3,T4,T5,T6,T7,T8,T9, Var const&> >
-                   ( detail::group10<T1,T2,T3,T4,T5,T6,T7,T8,T9, Var const&> 
-                        (a1,a2,a3,a4,a5,a6,a7,a8,a9, var) 
-                  );
-}
-
-
-#ifndef BOOST_NO_OVERLOAD_FOR_NON_CONST
-
-template  <class T1, class Var> 
-inline
-detail::group1< detail::group2<T1, Var&> >
-  group(T1 a1, Var& var)
-{ 
-   return detail::group1< detail::group2<T1, Var&> >
-                   ( detail::group2<T1, Var&> 
-                        (a1, var) 
-                  );
-}
-
-template  <class T1,class T2, class Var> 
-inline
-detail::group1< detail::group3<T1,T2, Var&> >
-  group(T1 a1,T2 a2, Var& var)
-{ 
-   return detail::group1< detail::group3<T1,T2, Var&> >
-                   ( detail::group3<T1,T2, Var&> 
-                        (a1,a2, var) 
-                  );
-}
-
-template  <class T1,class T2,class T3, class Var> 
-inline
-detail::group1< detail::group4<T1,T2,T3, Var&> >
-  group(T1 a1,T2 a2,T3 a3, Var& var)
-{ 
-   return detail::group1< detail::group4<T1,T2,T3, Var&> >
-                   ( detail::group4<T1,T2,T3, Var&> 
-                        (a1,a2,a3, var) 
-                  );
-}
-
-template  <class T1,class T2,class T3,class T4, class Var> 
-inline
-detail::group1< detail::group5<T1,T2,T3,T4, Var&> >
-  group(T1 a1,T2 a2,T3 a3,T4 a4, Var& var)
-{ 
-   return detail::group1< detail::group5<T1,T2,T3,T4, Var&> >
-                   ( detail::group5<T1,T2,T3,T4, Var&> 
-                        (a1,a2,a3,a4, var) 
-                  );
-}
-
-template  <class T1,class T2,class T3,class T4,class T5, class Var> 
-inline
-detail::group1< detail::group6<T1,T2,T3,T4,T5, Var&> >
-  group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5, Var& var)
-{ 
-   return detail::group1< detail::group6<T1,T2,T3,T4,T5, Var&> >
-                   ( detail::group6<T1,T2,T3,T4,T5, Var&> 
-                        (a1,a2,a3,a4,a5, var) 
-                  );
-}
-
-template  <class T1,class T2,class T3,class T4,class T5,class T6, class Var> 
-inline
-detail::group1< detail::group7<T1,T2,T3,T4,T5,T6, Var&> >
-  group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6, Var& var)
-{ 
-   return detail::group1< detail::group7<T1,T2,T3,T4,T5,T6, Var&> >
-                   ( detail::group7<T1,T2,T3,T4,T5,T6, Var&> 
-                        (a1,a2,a3,a4,a5,a6, var) 
-                  );
-}
-
-template  <class T1,class T2,class T3,class T4,class T5,class T6,class T7, class Var> 
-inline
-detail::group1< detail::group8<T1,T2,T3,T4,T5,T6,T7, Var&> >
-  group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7, Var& var)
-{ 
-   return detail::group1< detail::group8<T1,T2,T3,T4,T5,T6,T7, Var&> >
-                   ( detail::group8<T1,T2,T3,T4,T5,T6,T7, Var&> 
-                        (a1,a2,a3,a4,a5,a6,a7, var) 
-                  );
-}
-
-template  <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8, class Var> 
-inline
-detail::group1< detail::group9<T1,T2,T3,T4,T5,T6,T7,T8, Var&> >
-  group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7,T8 a8, Var& var)
-{ 
-   return detail::group1< detail::group9<T1,T2,T3,T4,T5,T6,T7,T8, Var&> >
-                   ( detail::group9<T1,T2,T3,T4,T5,T6,T7,T8, Var&> 
-                        (a1,a2,a3,a4,a5,a6,a7,a8, var) 
-                  );
-}
-
-template  <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9, class Var> 
-inline
-detail::group1< detail::group10<T1,T2,T3,T4,T5,T6,T7,T8,T9, Var&> >
-  group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7,T8 a8,T9 a9, Var& var)
-{ 
-   return detail::group1< detail::group10<T1,T2,T3,T4,T5,T6,T7,T8,T9, Var&> >
-                   ( detail::group10<T1,T2,T3,T4,T5,T6,T7,T8,T9, Var&> 
-                        (a1,a2,a3,a4,a5,a6,a7,a8,a9, var) 
-                  );
-}
-
-
-#endif  //end- #ifndef BOOST_NO_OVERLOAD_FOR_NON_CONST
-
-
-} // namespace io
-
-} // namespace boost
-
-
-#endif   // BOOST_FORMAT_GROUP_HPP
diff --git a/src/boost/format/internals.hpp b/src/boost/format/internals.hpp
deleted file mode 100644
index d25eb4c86..000000000
--- a/src/boost/format/internals.hpp
+++ /dev/null
@@ -1,167 +0,0 @@
-// -*- C++ -*-
-//  Boost general library 'format'   ---------------------------
-//  See http://www.boost.org for updates, documentation, and revision history.
-
-//  (C) Samuel Krempp 2001
-//                  krempp@crans.ens-cachan.fr
-//  Permission to copy, use, modify, sell and
-//  distribute this software is granted provided this copyright notice appears
-//  in all copies. This software is provided "as is" without express or implied
-//  warranty, and with no claim as to its suitability for any purpose.
-
-// ideas taken from Rüdiger Loos's format class
-// and Karl Nelson's ofstream
-
-// ----------------------------------------------------------------------------
-// internals.hpp :  internal structs. included by format.hpp
-//                              stream_format_state, and format_item
-// ----------------------------------------------------------------------------
-
-
-#ifndef BOOST_FORMAT_INTERNALS_HPP
-#define BOOST_FORMAT_INTERNALS_HPP
-
-
-#include <string>
-#include <sstream>
-
-namespace boost {
-namespace io {
-namespace detail {
-
-
-// --------------
-// set of params that define the format state of a stream
-
-struct stream_format_state 
-{
-  typedef std::ios   basic_ios;
-
-  std::streamsize width_;
-  std::streamsize precision_;
-  char fill_; 
-  std::ios::fmtflags flags_;
-
-  stream_format_state()       : width_(-1), precision_(-1), fill_(0), flags_(std::ios::dec)  {}
-  stream_format_state(basic_ios& os)                  {set_by_stream(os); }
-
-  void apply_on(basic_ios & os) const;                //- applies format_state to the stream
-  template<class T> void apply_manip(T manipulator)   //- modifies state by applying manipulator.
-       { apply_manip_body<T>( *this, manipulator) ; }
-  void reset();                                       //- sets to default state.
-  void set_by_stream(const basic_ios& os);            //- sets to os's state.
-};  
-
-
-
-// --------------
-// format_item : stores all parameters that can be defined by directives in the format-string
-
-struct format_item 
-{     
-  enum pad_values { zeropad = 1, spacepad =2, centered=4, tabulation = 8 };
-
-  enum arg_values { argN_no_posit   = -1, // non-positional directive. argN will be set later.
-                    argN_tabulation = -2, // tabulation directive. (no argument read) 
-                    argN_ignored    = -3  // ignored directive. (no argument read)
-  };
-  typedef BOOST_IO_STD ios              basic_ios;
-  typedef detail::stream_format_state         stream_format_state;
-  typedef std::string           string_t;
-  typedef BOOST_IO_STD ostringstream    internal_stream_t;
-
-
-  int         argN_;           //- argument number (starts at 0,  eg : %1 => argN=0)
-                               //  negative values are used for items that don't process
-                               //  an argument
-  string_t    res_;            //- result of the formatting of this item
-  string_t    appendix_;       //- piece of string between this item and the next
-
-  stream_format_state ref_state_;// set by parsing the format_string, is only affected by modify_item
-  stream_format_state state_;  // always same as ref_state, _unless_ modified by manipulators 'group(..)'
-
-  // non-stream format-state parameters
-  signed int truncate_;        //- is >=0 for directives like %.5s (take 5 chars from the string)
-  unsigned int pad_scheme_;    //- several possible padding schemes can mix. see pad_values
-
-  format_item() : argN_(argN_no_posit), truncate_(-1), pad_scheme_(0)  {}
-
-  void compute_states();      // sets states  according to truncate and pad_scheme.
-}; 
-
-
-
-// -----------------------------------------------------------
-// Definitions
-// -----------------------------------------------------------
-
-// --- stream_format_state:: -------------------------------------------
-inline
-void stream_format_state::apply_on(basic_ios & os) const
-  // set the state of this stream according to our params
-{
-      if(width_ != -1)
-        os.width(width_);
-      if(precision_ != -1)
-        os.precision(precision_);
-      if(fill_ != 0)
-        os.fill(fill_);
-      os.flags(flags_);
-}
-
-inline
-void stream_format_state::set_by_stream(const basic_ios& os) 
-  // set our params according to the state of this stream
-{
-      flags_ = os.flags();
-      width_ = os.width();
-      precision_ = os.precision();
-      fill_ = os.fill();
-}
-
-template<class T>  inline
-void apply_manip_body( stream_format_state& self,
-                       T manipulator) 
-  // modify our params according to the manipulator
-{
-      BOOST_IO_STD stringstream  ss;
-      self.apply_on( ss );
-      ss << manipulator;
-      self.set_by_stream( ss );
-}
-
-inline
-void stream_format_state::reset() 
-  // set our params to standard's default state
-{
-      width_=-1; precision_=-1; fill_=0; 
-      flags_ = std::ios::dec; 
-}
-
-
-// --- format_items:: -------------------------------------------
-inline
-void format_item::compute_states() 
-  // reflect pad_scheme_   on  state_ and ref_state_ 
-  //   because some pad_schemes has complex consequences on several state params.
-{
-  if(pad_scheme_ & zeropad) 
-  {
-    if(ref_state_.flags_ & std::ios::left) 
-    {
-      pad_scheme_ = pad_scheme_ & (~zeropad); // ignore zeropad in left alignment
-    }
-    else 
-    { 
-      ref_state_.fill_='0'; 
-      ref_state_.flags_ |= std::ios::internal;
-    }
-  }
-  state_ = ref_state_;
-}
-
-
-} } } // namespaces boost :: io :: detail
-
-
-#endif // BOOST_FORMAT_INTERNALS_HPP
diff --git a/src/boost/format/internals_fwd.hpp b/src/boost/format/internals_fwd.hpp
deleted file mode 100644
index a8ebf7c3a..000000000
--- a/src/boost/format/internals_fwd.hpp
+++ /dev/null
@@ -1,65 +0,0 @@
-// -*- C++ -*-
-//  Boost general library 'format'   ---------------------------
-//  See http://www.boost.org for updates, documentation, and revision history.
-
-//  (C) Samuel Krempp 2001
-//                  krempp@crans.ens-cachan.fr
-//  Permission to copy, use, modify, sell and
-//  distribute this software is granted provided this copyright notice appears
-//  in all copies. This software is provided "as is" without express or implied
-//  warranty, and with no claim as to its suitability for any purpose.
-
-// ideas taken from Rüdiger Loos's format class
-// and Karl Nelson's ofstream (also took its parsing code as basis for printf parsing)
-
-// ------------------------------------------------------------------------------
-// internals_fwd.hpp :  forward declarations, for internal headers
-// ------------------------------------------------------------------------------
-
-#ifndef BOOST_FORMAT_INTERNAL_FWD_HPP
-#define BOOST_FORMAT_INTERNAL_FWD_HPP
-
-#include "boost/format/format_fwd.hpp"
-
-
-namespace boost {
-namespace io {
-
-namespace detail {
-  struct stream_format_state;
-  struct format_item;
-}
-
-
-namespace detail {
-
-  // these functions were intended as methods, 
-  // but MSVC have problems with template member functions :
-
-  // defined in format_implementation.hpp :
-     template<class T> 
-     basic_format&  modify_item_body( basic_format& self, 
-                                          int itemN, const T& manipulator);
-
-     template<class T> 
-     basic_format&  bind_arg_body( basic_format& self,
-                                           int argN, const T& val);
-
-    template<class T> 
-    void apply_manip_body( stream_format_state& self,
-                           T manipulator);
-
-  // argument feeding (defined in feed_args.hpp ) :
-     template<class T> 
-     void distribute(basic_format& self, T x);
-
-     template<class T> 
-     basic_format& feed(basic_format& self, T x);
- 
-} // namespace detail
-
-} // namespace io
-} // namespace boost
-
-
-#endif //  BOOST_FORMAT_INTERNAL_FWD_HPP
diff --git a/src/boost/format/local.mk b/src/boost/format/local.mk
deleted file mode 100644
index 3776eff38..000000000
--- a/src/boost/format/local.mk
+++ /dev/null
@@ -1,7 +0,0 @@
-libraries += libformat
-
-libformat_NAME = libnixformat
-
-libformat_DIR := $(d)
-
-libformat_SOURCES := $(wildcard $(d)/*.cc)
diff --git a/src/boost/format/macros_default.hpp b/src/boost/format/macros_default.hpp
deleted file mode 100644
index 4fd84a163..000000000
--- a/src/boost/format/macros_default.hpp
+++ /dev/null
@@ -1,48 +0,0 @@
-// -*- C++ -*-
-//  Boost general library 'format'   ---------------------------
-//  See http://www.boost.org for updates, documentation, and revision history.
-
-//  (C) Samuel Krempp 2001
-//                  krempp@crans.ens-cachan.fr
-//  Permission to copy, use, modify, sell and
-//  distribute this software is granted provided this copyright notice appears
-//  in all copies. This software is provided "as is" without express or implied
-//  warranty, and with no claim as to its suitability for any purpose.
-
-// ideas taken from Rüdiger Loos's format class
-// and Karl Nelson's ofstream (also took its parsing code as basis for printf parsing)
-
-// ------------------------------------------------------------------------------
-// macros_default.hpp : configuration for the format library
-//                       provides default values for the stl workaround macros
-// ------------------------------------------------------------------------------
-
-#ifndef BOOST_FORMAT_MACROS_DEFAULT_HPP
-#define BOOST_FORMAT_MACROS_DEFAULT_HPP
-
-// *** This should go to "boost/config/suffix.hpp".
-
-#ifndef BOOST_IO_STD
-#  define BOOST_IO_STD std::
-#endif
-
-// **** Workaround for io streams, stlport and msvc.
-#ifdef BOOST_IO_NEEDS_USING_DECLARATION
-namespace boost {
-  using std::char_traits;
-  using std::basic_ostream;
-  using std::basic_ostringstream;
-  namespace io {
-    using std::basic_ostream;
-    namespace detail {
-      using std::basic_ios;
-      using std::basic_ostream;
-      using std::basic_ostringstream;
-    }
-  }
-}
-#endif
-
-// ------------------------------------------------------------------------------
-
-#endif // BOOST_FORMAT_MACROS_DEFAULT_HPP
diff --git a/src/boost/format/parsing.cc b/src/boost/format/parsing.cc
deleted file mode 100644
index 34c36adeb..000000000
--- a/src/boost/format/parsing.cc
+++ /dev/null
@@ -1,454 +0,0 @@
-// -*- C++ -*-
-//  Boost general library 'format'   ---------------------------
-//  See http://www.boost.org for updates, documentation, and revision history.
-
-//  (C) Samuel Krempp 2001
-//                  krempp@crans.ens-cachan.fr
-//  Permission to copy, use, modify, sell and
-//  distribute this software is granted provided this copyright notice appears
-//  in all copies. This software is provided "as is" without express or implied
-//  warranty, and with no claim as to its suitability for any purpose.
-
-// ideas taken from Rudiger Loos's format class
-// and Karl Nelson's ofstream (also took its parsing code as basis for printf parsing)
-
-// ------------------------------------------------------------------------------
-// parsing.hpp :  implementation of the parsing member functions
-//                      ( parse, parse_printf_directive)
-// ------------------------------------------------------------------------------
-
-
-#ifndef BOOST_FORMAT_PARSING_HPP
-#define BOOST_FORMAT_PARSING_HPP
-
-
-#include <boost/format.hpp>
-#include <boost/throw_exception.hpp>
-#include <boost/assert.hpp>
-
-
-namespace boost {
-namespace io {
-namespace detail {
-
-  template<class Stream> inline
-  bool wrap_isdigit(char c, Stream &os) 
-  {
-#ifndef BOOST_NO_LOCALE_ISIDIGIT
-    return std::isdigit(c, os.rdbuf()->getloc() );
-# else
-    using namespace std;
-    return isdigit(c); 
-#endif 
-  } //end- wrap_isdigit(..)
-
-  template<class Res> inline
-  Res str2int(const std::string& s, 
-              std::string::size_type start, 
-              BOOST_IO_STD ios &os,
-              const Res = Res(0)  ) 
-    // Input : char string, with starting index
-    //         a basic_ios& merely to call its widen/narrow member function in the desired locale.
-    // Effects : reads s[start:] and converts digits into an integral n, of type Res
-    // Returns : n
-  {
-    Res n = 0;
-    while(start<s.size() && wrap_isdigit(s[start], os) ) {
-      char cur_ch = s[start];
-      BOOST_ASSERT(cur_ch != 0 ); // since we called isdigit, this should not happen.
-      n *= 10;
-      n += cur_ch - '0'; // 22.2.1.1.2 of the C++ standard
-      ++start;
-    }
-    return n;
-  }
-
-  void skip_asterisk(const std::string & buf, 
-                     std::string::size_type * pos_p,
-                     BOOST_IO_STD ios &os)
-    // skip printf's "asterisk-fields" directives in the format-string buf
-    // Input : char string, with starting index *pos_p
-    //         a basic_ios& merely to call its widen/narrow member function in the desired locale.
-    // Effects : advance *pos_p by skipping printf's asterisk fields.
-    // Returns : nothing
-  {
-    using namespace std;
-    BOOST_ASSERT( pos_p != 0);
-    if(*pos_p >= buf.size() ) return;
-    if(buf[ *pos_p]=='*') {
-      ++ (*pos_p);
-      while (*pos_p < buf.size() && wrap_isdigit(buf[*pos_p],os)) ++(*pos_p);
-      if(buf[*pos_p]=='$') ++(*pos_p);
-    }
-  }
-
-
-  inline void maybe_throw_exception( unsigned char exceptions)
-    // auxiliary func called by parse_printf_directive
-    // for centralising error handling
-    // it either throws if user sets the corresponding flag, or does nothing.
-  {
-    if(exceptions & io::bad_format_string_bit)
-          boost::throw_exception(io::bad_format_string());
-  }
-    
-
-
-  bool parse_printf_directive(const std::string & buf,
-                              std::string::size_type * pos_p,
-                              detail::format_item * fpar,
-                              BOOST_IO_STD ios &os,
-                              unsigned char exceptions)
-    // Input   : a 'printf-directive' in the format-string, starting at buf[ *pos_p ]
-    //           a basic_ios& merely to call its widen/narrow member function in the desired locale.
-    //           a bitset'excpetions' telling whether to throw exceptions on errors.
-    // Returns : true if parse somehow succeeded (possibly ignoring errors if exceptions disabled) 
-    //           false if it failed so bad that the directive should be printed verbatim
-    // Effects : - *pos_p is incremented so that buf[*pos_p] is the first char after the directive
-    //           - *fpar is set with the parameters read in the directive
-  {
-    typedef format_item  format_item_t;
-    BOOST_ASSERT( pos_p != 0);
-    std::string::size_type       &i1 = *pos_p,      
-                                                        i0; 
-    fpar->argN_ = format_item_t::argN_no_posit;  // if no positional-directive
-
-    bool in_brackets=false;
-    if(buf[i1]=='|')
-      {
-        in_brackets=true;
-        if( ++i1 >= buf.size() ) {
-          maybe_throw_exception(exceptions);
-          return false;
-        }
-      }
-
-    // the flag '0' would be picked as a digit for argument order, but here it's a flag :
-    if(buf[i1]=='0') 
-      goto parse_flags;
-
-    // handle argument order (%2$d)  or possibly width specification: %2d
-    i0 = i1;  // save position before digits
-    while (i1 < buf.size() && wrap_isdigit(buf[i1], os))
-      ++i1;
-    if (i1!=i0) 
-      {
-        if( i1 >= buf.size() ) {
-          maybe_throw_exception(exceptions);
-          return false;
-        }
-        int n=str2int(buf,i0, os, int(0) );
-        
-        // %N% case : this is already the end of the directive
-        if( buf[i1] == '%' ) 
-          {
-            fpar->argN_ = n-1;
-            ++i1;
-            if( in_brackets) 
-              maybe_throw_exception(exceptions); 
-              // but don't return.  maybe "%" was used in lieu of '$', so we go on.
-            else return true;
-          }
-
-        if ( buf[i1]=='$' ) 
-          {
-            fpar->argN_ = n-1;
-            ++i1;
-          } 
-        else  
-          {
-            // non-positionnal directive
-            fpar->ref_state_.width_ = n;
-            fpar->argN_  = format_item_t::argN_no_posit;
-            goto parse_precision;
-          }
-      }
-    
-  parse_flags: 
-    // handle flags
-    while ( i1 <buf.size()) // as long as char is one of + - = # 0 l h   or ' '
-      {  
-        // misc switches
-        switch (buf[i1]) 
-          {
-          case '\'' : break; // no effect yet. (painful to implement)
-          case 'l':
-          case 'h':  // short/long modifier : for printf-comaptibility (no action needed)
-             break;
-          case '-':
-            fpar->ref_state_.flags_ |= std::ios::left;
-            break;
-          case '=':
-            fpar->pad_scheme_ |= format_item_t::centered;
-            break;
-          case ' ':
-            fpar->pad_scheme_ |= format_item_t::spacepad;
-            break;
-          case '+':
-            fpar->ref_state_.flags_ |= std::ios::showpos;
-            break;
-          case '0':
-            fpar->pad_scheme_ |= format_item_t::zeropad; 
-            // need to know alignment before really setting flags,
-            // so just add 'zeropad' flag for now, it will be processed later.
-            break;
-          case '#':
-            fpar->ref_state_.flags_ |= std::ios::showpoint | std::ios::showbase;
-            break;
-          default:
-            goto parse_width;
-          }
-        ++i1;
-      } // loop on flag.
-    if( i1>=buf.size()) {
-      maybe_throw_exception(exceptions);
-      return true; 
-    }
-
-  parse_width:
-    // handle width spec
-    skip_asterisk(buf, &i1, os); // skips 'asterisk fields' :  *, or *N$
-    i0 = i1;  // save position before digits
-    while (i1<buf.size() && wrap_isdigit(buf[i1], os))
-      i1++;
-    
-    if (i1!=i0) 
-      { fpar->ref_state_.width_ = str2int( buf,i0, os, std::streamsize(0) ); }
-
-  parse_precision:
-    if( i1>=buf.size()) { 
-      maybe_throw_exception(exceptions);
-      return true;
-    }
-    // handle precision spec
-    if (buf[i1]=='.')  
-      {
-        ++i1;
-        skip_asterisk(buf, &i1, os);
-        i0 = i1;  // save position before digits
-        while (i1<buf.size() && wrap_isdigit(buf[i1], os))
-          ++i1;
-
-        if(i1==i0)
-          fpar->ref_state_.precision_ = 0;
-        else 
-          fpar->ref_state_.precision_ = str2int(buf,i0, os, std::streamsize(0) );
-      }
-    
-    // handle  formatting-type flags :
-    while( i1<buf.size() && 
-           ( buf[i1]=='l' || buf[i1]=='L' || buf[i1]=='h') )
-      ++i1;
-    if( i1>=buf.size()) {
-      maybe_throw_exception(exceptions);
-      return true;
-    }
-    
-    if( in_brackets && buf[i1]=='|' ) 
-      {
-        ++i1;
-        return true;
-      }
-    switch (buf[i1])  
-      {
-      case 'X':
-        fpar->ref_state_.flags_ |= std::ios::uppercase;
-      case 'p': // pointer => set hex.
-      case 'x':
-        fpar->ref_state_.flags_ &= ~std::ios::basefield;
-        fpar->ref_state_.flags_ |= std::ios::hex;
-        break;
-      
-      case 'o':
-        fpar->ref_state_.flags_ &= ~std::ios::basefield;
-        fpar->ref_state_.flags_ |=  std::ios::oct;
-        break;
-
-      case 'E':
-        fpar->ref_state_.flags_ |=  std::ios::uppercase;
-      case 'e':
-        fpar->ref_state_.flags_ &= ~std::ios::floatfield;
-        fpar->ref_state_.flags_ |=  std::ios::scientific;
-
-        fpar->ref_state_.flags_ &= ~std::ios::basefield;
-        fpar->ref_state_.flags_ |=  std::ios::dec;
-        break;
-      
-      case 'f':
-        fpar->ref_state_.flags_ &= ~std::ios::floatfield;
-        fpar->ref_state_.flags_ |=  std::ios::fixed;
-      case 'u':
-      case 'd':
-      case 'i':
-        fpar->ref_state_.flags_ &= ~std::ios::basefield;
-        fpar->ref_state_.flags_ |=  std::ios::dec;
-        break;
-
-      case 'T':
-        ++i1;
-        if( i1 >= buf.size())
-          maybe_throw_exception(exceptions);
-        else
-          fpar->ref_state_.fill_ = buf[i1];
-        fpar->pad_scheme_ |= format_item_t::tabulation;
-        fpar->argN_ = format_item_t::argN_tabulation; 
-        break;
-      case 't': 
-        fpar->ref_state_.fill_ = ' ';
-        fpar->pad_scheme_ |= format_item_t::tabulation;
-        fpar->argN_ = format_item_t::argN_tabulation; 
-        break;
-
-      case 'G':
-        fpar->ref_state_.flags_ |= std::ios::uppercase;
-        break;
-      case 'g': // 'g' conversion is default for floats.
-        fpar->ref_state_.flags_ &= ~std::ios::basefield;
-        fpar->ref_state_.flags_ |=  std::ios::dec;
-
-        // CLEAR all floatield flags, so stream will CHOOSE
-        fpar->ref_state_.flags_ &= ~std::ios::floatfield; 
-        break;
-
-      case 'C':
-      case 'c': 
-        fpar->truncate_ = 1;
-        break;
-      case 'S':
-      case 's': 
-        fpar->truncate_ = fpar->ref_state_.precision_;
-        fpar->ref_state_.precision_ = -1;
-        break;
-      case 'n' :  
-        fpar->argN_ = format_item_t::argN_ignored;
-        break;
-      default: 
-        maybe_throw_exception(exceptions);
-      }
-    ++i1;
-
-    if( in_brackets )
-      {
-        if( i1<buf.size() && buf[i1]=='|' ) 
-          {
-            ++i1;
-            return true;
-          }
-        else  maybe_throw_exception(exceptions);
-      }
-    return true;
-  }
-
-} // detail namespace
-} // io namespace
-
-
-// -----------------------------------------------
-//  format :: parse(..)
-
-void basic_format::parse(const string_t & buf) 
-  // parse the format-string
-{
-    using namespace std;
-    const char arg_mark = '%';
-    bool ordered_args=true; 
-    int max_argN=-1;
-    string_t::size_type i1=0;
-    int num_items=0;
-    
-    // A: find upper_bound on num_items and allocates arrays
-    i1=0; 
-    while( (i1=buf.find(arg_mark,i1)) != string::npos ) 
-    {
-      if( i1+1 >= buf.size() ) {
-        if(exceptions() & io::bad_format_string_bit)
-          boost::throw_exception(io::bad_format_string()); // must not end in "bla bla %"
-        else break; // stop there, ignore last '%'
-      }
-      if(buf[i1+1] == buf[i1] ) { i1+=2; continue; } // escaped "%%" / "##"
-      ++i1;
-      
-      // in case of %N% directives, dont count it double (wastes allocations..) :
-      while(i1 < buf.size() && io::detail::wrap_isdigit(buf[i1],oss_)) ++i1;
-      if( i1 < buf.size() && buf[i1] == arg_mark ) ++ i1;
-
-      ++num_items;
-    }
-    items_.assign( num_items, format_item_t() );
-    
-    // B: Now the real parsing of the format string :
-    num_items=0;
-    i1 = 0;
-    string_t::size_type i0 = i1;
-    bool special_things=false;
-    int cur_it=0;
-    while( (i1=buf.find(arg_mark,i1)) != string::npos ) 
-    {
-      string_t & piece = (cur_it==0) ? prefix_ : items_[cur_it-1].appendix_;
-
-      if( buf[i1+1] == buf[i1] ) // escaped mark, '%%'
-      {
-        piece += buf.substr(i0, i1-i0) + buf[i1]; 
-        i1+=2; i0=i1;
-        continue; 
-      }
-      BOOST_ASSERT(  static_cast<unsigned int>(cur_it) < items_.size() || cur_it==0);
-
-      if(i1!=i0) piece += buf.substr(i0, i1-i0);
-      ++i1;
-      
-      bool parse_ok;
-      parse_ok = io::detail::parse_printf_directive(buf, &i1, &items_[cur_it], oss_, exceptions());
-      if( ! parse_ok ) continue; // the directive will be printed verbatim
-
-      i0=i1;
-      items_[cur_it].compute_states(); // process complex options, like zeropad, into stream params.
-
-      int argN=items_[cur_it].argN_;
-      if(argN == format_item_t::argN_ignored)
-        continue;
-      if(argN ==format_item_t::argN_no_posit)
-        ordered_args=false;
-      else if(argN == format_item_t::argN_tabulation) special_things=true;
-      else if(argN > max_argN) max_argN = argN;
-      ++num_items;
-      ++cur_it;
-    } // loop on %'s
-    BOOST_ASSERT(cur_it == num_items);
-    
-    // store the final piece of string
-    string_t & piece = (cur_it==0) ? prefix_ : items_[cur_it-1].appendix_;
-    piece += buf.substr(i0);
-    
-    if( !ordered_args) 
-    {
-      if(max_argN >= 0 )  // dont mix positional with non-positionnal directives
-        {
-          if(exceptions() & io::bad_format_string_bit)
-            boost::throw_exception(io::bad_format_string());
-          // else do nothing. => positionnal arguments are processed as non-positionnal
-        }
-      // set things like it would have been with positional directives :
-      int non_ordered_items = 0;
-      for(int i=0; i< num_items; ++i)
-        if(items_[i].argN_ == format_item_t::argN_no_posit) 
-          {
-            items_[i].argN_ = non_ordered_items;
-            ++non_ordered_items;
-          }
-      max_argN = non_ordered_items-1;
-    }
-    
-    // C: set some member data :
-    items_.resize(num_items);
-
-    if(special_things) style_ |= special_needs;
-    num_args_ = max_argN + 1;
-    if(ordered_args) style_ |=  ordered;
-    else style_ &= ~ordered;
-}
-
-} // namespace boost
-
-
-#endif //  BOOST_FORMAT_PARSING_HPP
diff --git a/src/boost/throw_exception.hpp b/src/boost/throw_exception.hpp
deleted file mode 100644
index 07b4ae5ce..000000000
--- a/src/boost/throw_exception.hpp
+++ /dev/null
@@ -1,47 +0,0 @@
-#ifndef BOOST_THROW_EXCEPTION_HPP_INCLUDED
-#define BOOST_THROW_EXCEPTION_HPP_INCLUDED
-
-// MS compatible compilers support #pragma once
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
-
-//
-//  boost/throw_exception.hpp
-//
-//  Copyright (c) 2002 Peter Dimov and Multi Media Ltd.
-//
-//  Permission to copy, use, modify, sell and distribute this software
-//  is granted provided this copyright notice appears in all copies.
-//  This software is provided "as is" without express or implied
-//  warranty, and with no claim as to its suitability for any purpose.
-//
-//  http://www.boost.org/libs/utility/throw_exception.html
-//
-
-//#include <boost/config.hpp>
-
-#ifdef BOOST_NO_EXCEPTIONS
-# include <exception>
-#endif
-
-namespace boost
-{
-
-#ifdef BOOST_NO_EXCEPTIONS
-
-void throw_exception(std::exception const & e); // user defined
-
-#else
-
-template<class E> void throw_exception(E const & e)
-{
-    throw e;
-}
-
-#endif
-
-} // namespace boost
-
-#endif // #ifndef BOOST_THROW_EXCEPTION_HPP_INCLUDED
diff --git a/src/libstore/build.cc b/src/libstore/build.cc
index e162e81aa..b8613427e 100644
--- a/src/libstore/build.cc
+++ b/src/libstore/build.cc
@@ -156,7 +156,7 @@ public:
         abort();
     }
 
-    void trace(const format & f);
+    void trace(const FormatOrString & fs);
 
     string getName()
     {
@@ -417,9 +417,9 @@ void Goal::amDone(ExitCode result)
 }
 
 
-void Goal::trace(const format & f)
+void Goal::trace(const FormatOrString & fs)
 {
-    debug(format("%1%: %2%") % name % f);
+    debug("%1%: %2%", name, fs.s);
 }
 
 
diff --git a/src/libstore/sqlite.cc b/src/libstore/sqlite.cc
index b13001b06..42d40e71d 100644
--- a/src/libstore/sqlite.cc
+++ b/src/libstore/sqlite.cc
@@ -7,7 +7,7 @@
 
 namespace nix {
 
-[[noreturn]] void throwSQLiteError(sqlite3 * db, const format & f)
+[[noreturn]] void throwSQLiteError(sqlite3 * db, const FormatOrString & fs)
 {
     int err = sqlite3_errcode(db);
 
@@ -21,7 +21,7 @@ namespace nix {
             : fmt("SQLite database '%s' is busy", path));
     }
     else
-        throw SQLiteError("%s: %s (in '%s')", f.str(), sqlite3_errstr(err), path);
+        throw SQLiteError("%s: %s (in '%s')", fs.s, sqlite3_errstr(err), path);
 }
 
 SQLite::SQLite(const Path & path)
diff --git a/src/libstore/sqlite.hh b/src/libstore/sqlite.hh
index 14a7a0dd8..115679b84 100644
--- a/src/libstore/sqlite.hh
+++ b/src/libstore/sqlite.hh
@@ -93,7 +93,7 @@ struct SQLiteTxn
 MakeError(SQLiteError, Error);
 MakeError(SQLiteBusy, SQLiteError);
 
-[[noreturn]] void throwSQLiteError(sqlite3 * db, const format & f);
+[[noreturn]] void throwSQLiteError(sqlite3 * db, const FormatOrString & fs);
 
 void handleSQLiteBusy(const SQLiteBusy & e);