id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc
1051,MPL header ordering triggers bug,aribrei@…,Aleksey Gurtovoy,"If I include <boost/mpl/map.hpp> after a series of MPL headers, my build breaks.

When attached source is compiled with X defined, I get the following error message:

{{{
/usr/include/boost/mpl/map/aux_/contains_impl.hpp:31: error: ‘apply’ in class ‘boost::mpl::at_impl<boost::mpl::aux::map_tag>’ does not name a type
/usr/include/boost/mpl/map/aux_/contains_impl.hpp:31: error: expected template-argument before ‘<’ token
/usr/include/boost/mpl/map/aux_/contains_impl.hpp:31: error: expected `>' before ‘<’ token
/usr/include/boost/mpl/map/aux_/contains_impl.hpp:34: error: wrong number of template arguments (1, should be 2)
/usr/include/boost/type_traits/is_same.hpp:37: error: provided for ‘template<class T, class U> struct boost::is_same’
/usr/include/boost/mpl/map/aux_/contains_impl.hpp:34: error: expected `{' before ‘type’
/usr/include/boost/mpl/map/aux_/contains_impl.hpp:35: error: invalid type in declaration before ‘,’ token
/usr/include/boost/mpl/map/aux_/contains_impl.hpp:35: error: expected `;' before ‘,’ token
/usr/include/boost/mpl/map/aux_/contains_impl.hpp:38: error: data member ‘type’ cannot be a member template
/usr/include/boost/mpl/map/aux_/has_key_impl.hpp:33: error: ‘apply’ in class ‘boost::mpl::at_impl<boost::mpl::aux::map_tag>’ does not name a type
/usr/include/boost/mpl/map/aux_/has_key_impl.hpp:33: error: expected template-argument before ‘<’ token
/usr/include/boost/mpl/map/aux_/has_key_impl.hpp:33: error: expected `>' before ‘<’ token
/usr/include/boost/mpl/map/aux_/has_key_impl.hpp:33: error: template argument 1 is invalid
/usr/include/boost/mpl/map/aux_/has_key_impl.hpp:33: error: expected `{' before ‘type’
/usr/include/boost/mpl/map/aux_/has_key_impl.hpp:34: error: expected initializer before ‘>’ token
/usr/include/boost/mpl/map/aux_/iterator.hpp:41: error: template argument 1 is invalid
/usr/include/boost/mpl/map/aux_/iterator.hpp:41: error: template argument 1 is invalid
/usr/include/boost/mpl/map/aux_/iterator.hpp:44: error: expected `{' before ‘>’ token
/usr/include/boost/mpl/map/aux_/iterator.hpp:44: error: expected unqualified-id before ‘>’ token
/usr/include/boost/mpl/map/aux_/iterator.hpp:62: error: expected nested-name-specifier before ‘item_by_order’
/usr/include/boost/mpl/map/aux_/iterator.hpp:62: error: expected ‘;’ before ‘<’ token
}}}
",Bugs,closed,To Be Determined,mpl,,Problem,fixed,,