Support platform (features)

[higepon]

These may need help from the build config or something.

posix
This implementation is running on a POSIX system.
windows
This implementation is running on Windows.
unix, darwin, gnu-linux, bsd, freebsd, solaris, ...
Operating system flags (perhaps more than one).
i386, x86-64, ppc, sparc, jvm, clr, llvm, ...
CPU architecture flags.
ilp32, lp64, ilp64, ...
C memory model flags.
big-endian, little-endian
Byte order flags.

[okuoku]

I think we can exclude them from MVP. I'm not sure if they are implemented in other Scheme.

[higepon]

Agreed. FYI gosh has them.