In file included from /usr/lib/gcc/x86_64-linux-gnu/6/include-fixed/limits.h:168:0,
from /usr/lib/gcc/x86_64-linux-gnu/6/include-fixed/syslimits.h:7,
from /usr/lib/gcc/x86_64-linux-gnu/6/include-fixed/limits.h:34,
from /usr/include/c++/6/climits:42,
from /home/bacek/.../blackhole/src/format.cpp:34:
/home/bacek/.../blackhole/src/format.cpp: In member function ‘void blackhole::fmt::internal::BasicArgFormatter<Impl, Char>::visit_char(int)’:
/home/bacek/.../blackhole/src/format.cpp:460:20: error: expected unqualified-id before numeric constant
const unsigned CHAR_WIDTH = 1;
Same issue as in (upstream?) https://github.com/fmtlib/fmt/issues/398 which was fixed in https://github.com/fmtlib/fmt/commit/abbefd71666055daac9e14e78262620f9e845850