We are happy to announce the release of GNU Mes 0.27.

It's been only a month since the previous release mainly because most
this work has been waiting for 0.26 to be released.  This release
represents 55 commits over 17 weeks.  This release resurrects running
Mes on the Hurd and adds support for using NYACC versions 0.99.0 through

We are excited that the NLnet Foundation is sponsoring this work!

What's next?

Bringing the Full Source Bootstrap to NixOS.  Remove indirect Guile
dependencies (via Gash and Gash-Utils) from the Mes bootstrap in Guix.
Support for bootstrapping gcc-4.6.4, and a Full Source Bootstrap for
armhf-linux, and riscv64-linux.



  GNU Mes is a Scheme interpreter and C compiler for bootstrapping the
  GNU System.  It has helped to decimate the number and size of binary
  seeds that were used in the bootstrap of GNU Guix 1.0.  Recently,
  version 0.24.2 has realized the first Full Source Bootstrap for Guix
  The final goal is to help create a full source bootstrap as part of
  the bootstrappable builds effort <https://bootstrappable.org> for any
  UNIX-like operating system.

  Mes + MesCC + Mes C Library can build a bootstrappable TinyCC
  <https://gitlab.com/janneke/tinycc> that is self-hosting.  Using this
  bootstrappable-tcc and the Mes C library we can build an ancient
  version of the GNU tools triplet: glibc-2.2.5, binutils-2.20.1,
  gcc-2.95.3.  This is enough to bootstrap Guix for i686-linux,
  x86_64-linux, armhf-linux and aarch64-linux.

  Mes was inspired by The Maxwell Equations of Software: LISP-1.5 --
  John McCarthy page 13, Guix's source/binary packaging transparency and
  Jeremiah Orians's Stage0 <https://github.com/oriansj/stage0>, a
  ~500-byte self-hosting hex assembler.


Here is the GNU mes home page:

For a summary of changes and contributors, see:
or run this command from a git-cloned mes directory:
  git shortlog v0.26.2..v0.27

Here are the compressed sources and a GPG detached signature:

Use a mirror for higher download bandwidth:

Here are the SHA1 and SHA256 checksums:

  273ad95203efe83d0b0e8bdbce5b41cfebb316e4  mes-0.27.tar.gz

Use a .sig file to verify that the corresponding file (without the
.sig suffix) is intact.  First, be sure to download both the .sig file
and the corresponding tarball.  Then, run a command like this:

  gpg --verify mes-0.27.tar.gz.sig

The signature should match the fingerprint of the following key:

  pub   rsa4096 2018-04-08 [SC]
        1A85 8392 E331 EAFD B8C2  7FFB F3C1 A0D9 C1D6 5273
  uid   Jan (janneke) Nieuwenhuizen <jann...@gnu.org>

If that command fails because you don't have the required public key,
or that public key has expired, try the following commands to retrieve
or refresh it, and then rerun the 'gpg --verify' command.

  gpg --recv-keys 1A858392E331EAFDB8C27FFBF3C1A0D9C1D65273

As a last resort to find the key, you can try the official GNU

  wget -q https://ftp.gnu.org/gnu/gnu-keyring.gpg
  gpg --keyring gnu-keyring.gpg --verify mes-0.27.tar.gz.sig

Alternatively, Mes can be installed using GNU Guix:

  guix pull
  guix install mes


* Changes in 0.27 since 0.26.2
** Core
*** Support for running Mes on the Hurd has been resurrected.
** Mes
*** (ice-9 optargs) now supports lambda* #:optional with #:key.
*** Define-module now handles #:version by ignoring it.
*** 2 new functions:
pair-for-each, with-fluids*.
*** 2 new modules:
(rnrs arithmetic bitwise), (srfi srfi-39).
*** For Guile compatibility, (srfi srfi-39) is loaded by default.
** Build
*** When configuring using `--with-courage, mescc-tools are now optional.
** MesCC
*** MesCC now works with NYACC versions 0.99.0 to 1.09.4.
*** Legacy mes-style module support was removed for NYACC.
*** Legacy mes-style module support was removed for MesCC.

See also <https://bootstrappable.org>.
Join bug-...@gnu.org and #bootstrappable on irc.libera.chat for

 [on behalf of the mes maintainers]

Janneke Nieuwenhuizen <jann...@gnu.org>  | GNU LilyPond https://LilyPond.org
Freelance IT https://www.JoyOfSource.com | AvatarĀ® https://AvatarAcademy.com

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