id summary reporter owner description type status milestone component version severity resolution keywords cc 12786 UINT8_C susceptible to redefinition in cstdint.h cgdoohan@… John Maddock "For Boost version 1.63.0, in boost/cstdint.hpp, on line 448, UINT8_C is defined without first supplying an #ifndef conditional. This leads to macro redefinition errors from the preprocessor, in my case on Visual Studio 2012, after stdint.h is also included." Bugs closed To Be Determined config Boost 1.63.0 Problem fixed