Patches for cfunge on Minerva

0001-Tell-prng.c-that-we-don-t-have-arc4random_buf.patch

Tell prng.c that we don't have arc4random_buf

FIXME: This function does exist, perhaps outdated or some issue - explain the issue here if so.

0002-Define-MAX-inline-instead-of-using-sys-param.h.patch

Define MAX inline instead of using sys/param.h

0003-define-_POSIX_MAPPED_FILES.patch

define _POSIX_MAPPED_FILES

Minerva has a working mmap().

0004-Define-_POSIX_REGEXP.patch

Define _POSIX_REGEXP

Minerva's libc does have regex.