id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
4146	[patch] ./boost/property_tree/detail/xml_parser_read_rapidxml.hpp:117: error: non-constant `(((int)f_c) | 3072)' cannot be used as template argument	Jan-Hein Bührman <buhrman@…>	Sebastian Redl	"When compiling today's development trunk of boost, I see the following errors:

{{{
[snip]
gcc.compile.c++ bin.v2/libs/graph/build/gcc-3.4.4/release/threading-multi/graphml.o
./boost/property_tree/detail/xml_parser_read_rapidxml.hpp: In function `void boost::property_tree::xml_parser::read_xml_internal(std::basic_istream<typename Ptree::key_type::value_type, std::char_traits<typename Ptree::key_type::value_type> >&, Ptree&, int, const std::string&) [with Ptree = boost::property_tree::basic_ptree<std::string, std::string, std::less<std::string> >]':
./boost/property_tree/xml_parser.hpp:52:   instantiated from `void boost::property_tree::xml_parser::read_xml(std::basic_istream<typename Ptree::key_type::value_type, std::char_traits<typename Ptree::key_type::value_type> >&, Ptree&, int) [with Ptree = boost::property_tree::ptree]'
libs\graph\src\graphml.cpp:49:   instantiated from here
./boost/property_tree/detail/xml_parser_read_rapidxml.hpp:117: error: non-constant `(((int)f_c) | 3072)' cannot be used as template argument
./boost/property_tree/detail/xml_parser_read_rapidxml.hpp:117: error: no matching function for call to `boost::property_tree::detail::rapidxml::xml_document<char>::parse(char*)'
[snip]
}}}

bjam was generated in the follwing way:
{{{
$ ./bootstrap.sh --prefix=$HOME/local --exec-prefix=$HOME/local/${MACHTYPE=i686-pc-cygwin}
}}}

It is compiled on Windows XP machine, under a recent update of Cygwin.
{{{
$ g++ --version
g++ (GCC) 3.4.4 (cygming special, gdc 0.12, using dmd 0.125)
Copyright (C) 2004 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
}}}

I googled up a workaround (ref. {{{<http://old.nabble.com/Sandia-gcc-3.4.6-error-on-Boost.Graph-td26800239.html>}}}) that fixes the problem for me, see attached {{{svn diff}}}.
"	Bugs	closed		property_tree	Boost Development Trunk	Showstopper	fixed	property_tree xml_parser non-constant template argument