Remove mosh-scheme.

This software segfaults when run for 64-bit users,
and 'mosh' is almost always expected to refer to mobile-shell.

Would review an updated version that does not segfault,
submitted under the name "mosh-scheme".

Closes #13936.
nasm: limit make targets

nasm can try and fail to build PDF documentation, which
will cause the install to fail.

Use the same make targets as MacPorts.
iRODS 3.2

Closes #16549.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Only add -F if the frameworks folder exists

Closes #16901.
Add support for external ocaml deps via opam

Closes #16280.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
scsh: style nit