id summary reporter owner description type status milestone component version severity resolution keywords cc 2495 boost/type_traits/is_base_and_derived.hpp fails to compile when compiling using gcc -Wundef ANDREW CHITTENDEN John Maddock "This is on boost 1.37.0 (no option for that in Version pull down at the moment). The following program: ---snip here--- #include ---snip here--- fails to compile if you compile with 'gcc -W -Wall -Wundef'. It gives the following errors: In file included from is_base_and_derived_problem.cpp:1: /home/andyc/work/3rdParty/boost_1_37_0/boost/type_traits/is_base_and_derived.hpp:243:1: warning: ""__CODEGEARC___WORKAROUND_GUARD"" is not defined /home/andyc/work/3rdParty/boost_1_37_0/boost/type_traits/is_base_and_derived.hpp:243:1: warning: ""__CODEGEARC__"" is not defined " Bugs closed Boost 1.38.0 type_traits Boost 1.37.0 Problem fixed