AMDG gcc.compile.c++ bin\quaternion.test\gcc-4.3.0\debug\quaternion.o In file included from c:\Documents and Settings\Steven\My Documents\boost/boost/math/tools/config.hpp:24, from c:\Documents and Settings\Steven\My Documents\boost/boost/math/special_functions/sinc.hpp:18, from c:\Documents and Settings\Steven\My Documents\boost/boost/math/quaternion.hpp:28, from quaternion.cpp:47: c:\Documents and Settings\Steven\My Documents\boost/boost/math/special_functions/detail/round_fwd.hpp:36: error: ISO C++ 1998 does not support 'long long' c:\Documents and Settings\Steven\My Documents\boost/boost/math/special_functions/detail/round_fwd.hpp:38: error: ISO C++ 1998 does not support 'long long' c:\Documents and Settings\Steven\My Documents\boost/boost/math/special_functions/detail/round_fwd.hpp:54: error: ISO C++ 1998 does not support 'long long' c:\Documents and Settings\Steven\My Documents\boost/boost/math/special_functions/detail/round_fwd.hpp:56: error: ISO C++ 1998 does not support 'long long' c:\Documents and Settings\Steven\My Documents\boost/boost/math/special_functions/detail/round_fwd.hpp:72: error: ISO C++ 1998 does not support 'long long' c:\Documents and Settings\Steven\My Documents\boost/boost/math/special_functions/detail/round_fwd.hpp:74: error: ISO C++ 1998 does not support 'long long' "g++-4.3.0" -ftemplate-depth-128 -O0 -fno-inline -Wall -pedantic -g -DBOOST_ALL_NO_LIB -I"..\..\.." -I"c:\Documents and Settings\Steven\My Documents\boost" -c -o "bin\quaternion.test\gcc-4.3.0\debug\quaternion.o" "quaternion.cpp" In Christ, Steven Watanabe