Add JS backend adapted from the GHCJS project by Luite Stegeman.

Some features haven't been ported or implemented yet. Tests for these
features have been disabled with an associated gitlab ticket.

Bump array submodule

Work funded by IOG.

Co-authored-by: Jeffrey Young <jeffrey.young@iohk.io>
Co-authored-by: Luite Stegeman <stegeman@gmail.com>
Co-authored-by: Josh Meredith <joshmeredith2008@gmail.com>

Ben Gamari authored 2 years ago and Matthew Pickering committed 2 years ago

Scripts taken from autoconf 02ba26b218d3d3db6c56e014655faf463cefa983

Moritz Angermann authored 4 years ago and Marge Bot committed 4 years ago

This addes the necessary logic to support aarch64 on elf, as well
as aarch64 on mach-o, which Apple calls arm64.

We change architecture name to AArch64, which is the official arm
naming scheme.

Scripts taken from autoconf a8d79c3130da83c7cacd6fee31b9acc53799c406

There is no new autoconf release, and it seems like there will unlikely be one
<http://lists.gnu.org/archive/html/autoconf/2016-07/msg00017.html>.

This will allow us to support <arch>-apple-ios properly.

These have been taken from
- http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess
- http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub

Reviewers: austin, hvr, bgamari

Reviewed By: bgamari

Subscribers: rwbarton, thomie

Differential Revision: https://phabricator.haskell.org/D3558

The new versions should work better under MSYS2

A few submodules' `config.{guess,sub}` files were updated as well

With this commit, all config.{guess,sub} files in the GHC tree have the md5sums

    0fb81517303511f05a01b14f41cec2cf  config.guess
    d2a165dceaa5ac1edba3c512f6ca7bd1  config.sub

This addresses #9597

This updates the files to the versions bundled with GNU automake 1.13.3

Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>

In particular, config.guess should now know about x86_64-pc-solaris2

Synched with versions from autoconf 2.59

Updated to match latest versions from autoconf repository

Update config.guess and config.sub from GNU; a bug was reported in the
previous versions.

Grab the latest versions of config.guess and config.sub from GNU.

platform definitions for PPC/MacOSX

Pulled in latest versions from autoconf 2.13.  Necessary for OpenBSD port.

Prepared to support i?86-*-mingw32

Bulk of final changes for 2.01

partain 1.3 changes to 960626

Initial revision