id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
12537	Undefined BOOST_WORKAROUND in boost/math/tools/tuple.hpp	andreas.schuh.84@…	John Maddock	"This workaround has been added in 1.62. The issue was not present with Boost 1.61.

/usr/local/include/boost/math/tools/tuple.hpp:10:60: error: token is not a valid binary operator in a preprocessor subexpression
#if !defined(BOOST_NO_CXX11_HDR_TUPLE) && !BOOST_WORKAROUND(BOOST_GCC_VERSION, < 40500)

The particular line is here:
https://github.com/boostorg/math/blob/70251d14429c11578a9940cf7b9fb7fe13865421/include/boost/math/tools/tuple.hpp#L10"	Bugs	closed	To Be Determined	math	Boost 1.62.0	Problem	fixed