Here is the issue: #include // tulip 3.1.2 #include // boost 1.40 int main() { return 0; } with: $ cat /usr/include/tulip/Graph.h ... #if (__GNUC__ < 3) #include #else #include #endif I'll check how to work around this clash... On Mon, Nov 30, 2009 at 2:20 PM, Mathieu Malaterre wrote:

Has anyone seen this type of error before:

/usr/include/boost/spirit/home/phoenix/stl/algorithm/detail/././std_hash_set_fwd.hpp:29: error: redeclared with 3 template parameter(s) /usr/include/c++/4.3/backward/hash_set:84: note: previous declaration ‘template class __gnu_cxx::hash_set’ used 4 template parameter(s) /usr/include/boost/spirit/home/phoenix/stl/algorithm/detail/././std_hash_set_fwd.hpp:36: error: redeclared with 3 template parameter(s) /usr/include/c++/4.3/backward/hash_set:285: note: previous declaration ‘template class __gnu_cxx::hash_multiset’ used 4 template parameter(s) make[2]: *** [Simulation/CMakeFiles/GraphicDisplay.dir/GraphicDisplay/Visualization.o] Error 1

System: debian stable $ gcc -dumpversion 4.3.4 $ apt-cache policy libboost-all-dev libboost-all-dev:  Installed: 1.40.0.1  Candidate: 1.40.0.1  Version table:  *** 1.40.0.1 0        200 http://ftp.fr.debian.org testing/main Packages        100 http://ftp.fr.debian.org unstable/main Packages        100 /var/lib/dpkg/status

Thanks, -- Mathieu

-- Mathieu