Hi again, I managed to get past the first VC7 error by adding the following line to graph/properties.hpp which appears like it was an omission... #ifdef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION template <> struct property_traits<default_color_type*> { typedef default_color_type value_type; typedef value_type& reference; // Newly Added typedef std::ptrdiff_t key_type; typedef lvalue_property_map_tag category; }; but now I run into yet another compiler error... \boost_1_27_0\boost\concept_check.hpp(185): fatal error C1001: INTERNAL COMPILER ERROR (compiler file 'msc1.cpp', line 1414) Please choose the Technical Support command on the Visual C++ Help menu, or open the Technical Support help file for more information template <class TT> struct DefaultConstructibleConcept { void constraints() { TT a; // require default constructor ignore_unused_variable_warning(a); } }; template <class TT> struct AssignableConcept { void constraints() { #if !defined(_ITERATOR_) // back_insert_iterator broken for VC++ STL a = a; // require assignment operator #endif const_constraints(a); } void const_constraints(const TT& b) { // C1001 INTERNAL COMPILER ERROR #if !defined(_ITERATOR_) // back_insert_iterator broken for VC++ STL a = b; // const required for argument to assignment #endif } TT a; }; Any help would be greatly appreciated... Kind Regards Wayne Hartell -----Original Message----- From: Wayne Hartell Sent: Friday, April 12, 2002 5:54 PM To: 'Boost-Users@yahoogroups.com' Subject: Problem Compiling Boost Graph Library User Guide Code Hi, I am running into the following compile error when using VC7 to compile the BGL text book example on Edge Connectivity (Chap 8.2) boost_1_27_0\boost\property_map.hpp(151): error C2039: 'reference' : is not a member of 'boost::property_traits<PA>' with [ PA=boost::default_color_type * ] at line : typedef typename property_traits<PMap>::reference reference; My first step was to try to compile this using VC6 instead, but in that case I run into the following error : boost_1_27_0\boost\graph\detail\adjacency_list.hpp(1830) : fatal error C1001: INTERNAL COMPILER ERROR (compiler file 'msc1.cpp', line 1794) Please choose the Technical Support command on the Visual C++ Help menu, or open the Technical Support help file for more information at line : inline vec_adj_list_impl(vertices_size_type _num_vertices) : m_vertices(_num_vertices) { } The last error is coincidentally the same type of compiler error that I just experienced in VC7 to which I recently posted a work around for. I would be extremely grateful for any suggestions for either of these problems... Kind Regards, Wayne Hartell [Non-text portions of this message have been removed]