I have tried to build ppl-0.10.2 with g++-4.4.0 and get many errors starting with: In file included from algorithms.hh:27, from C_Polyhedron.cc:28: Pointset_Powerset.defs.hh:68: error: expected unqualified-id before numeric constant Pointset_Powerset.defs.hh:69: error: type/value mismatch at argument 1 in template parameter list for 'template<class D> class Parma_Polyhedra_Library::Powerset' Pointset_Powerset.defs.hh:69: error: expected a type, got '15' Pointset_Powerset.defs.hh:1234: error: 'Base' is not a class or namespace Pointset_Powerset.defs.hh:1235: error: 'Base' is not a class or namespace Pointset_Powerset.defs.hh:1236: error: 'Base' is not a class or namespace <etc.> I first built g++ 4.4.0 without ppl and then tried to build ppl with the resulting g++ but got the errors above. I am building on open solaris 2008.11. I carefully ensured that gmp, mpfr, and ppl are all configured and built the same. Thank you for any help. -Tom Tom Browder Niceville, Florida USA