GNU Mes 0.27.1 released

Tue Aug 19 08:22:09 UTC 2025

Mes 0.27.1 is a bug-fix release.  It represents 53 commits by four
people over one year.  This release resurrects supports development
builds with gcc-14 and adds support for using NYACC versions 0.99.0
through 2.02.2.

Enjoy!

ABOUT

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
<https://guix.gnu.org/en/blog/2023/the-full-source-bootstrap-building-from-source-all-the-way-down/>.
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.

==================================================================

DOWNLOAD

  git clone git://git.savannah.gnu.org/mes.git

Here is the GNU mes home page:
    https://gnu.org/s/mes/

For a summary of changes and contributors, see:
  https://git.sv.gnu.org/gitweb/?p=mes.git;a=shortlog;h=v0.26.2
or run this command from a git-cloned mes directory:
  git shortlog v0.26..v0.26.2

Here are the compressed sources and a GPG detached signature:
  https://ftp.gnu.org/gnu/mes/mes-0.26.2.tar.gz
  https://ftp.gnu.org/gnu/mes/mes-0.26.2.tar.gz.sig

Use a mirror for higher download bandwidth:
  https://ftpmirror.gnu.org/mes/mes-0.26.2.tar.gz
  https://ftpmirror.gnu.org/mes/mes-0.26.2.tar.gz.sig

Here are the SHA1 and SHA256 checksums:

  d1bb88ae1c83269599ddfc975f5d3268fb7f5596  mes-0.27.1.tar.gz
  183a40ea47ea49f8a1e3bd1b9d12e676374d64d63bc79e7bc1ae7d673dfdf25d  mes-0.27.1.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-0.27.1.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 <janneke at 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
keyring:

  wget -q https://ftp.gnu.org/gnu/gnu-keyring.gpg
  gpg --keyring gnu-keyring.gpg --verify mes-0.27.1.tar.gz.sig

Alternatively, Mes can be installed using GNU Guix:

  guix pull
  guix install mes

NEWS

* Changes in 0.27.1 since 0.27
** Core
*** The pmatch-car/pmatch-cdr hack was removed.
** Build
*** Development build with gcc-14 is now supported.
*** Using M2-Planet 1.12.0 is now supported.
*** On x86-linux, using M2-Planet 1.13.0 is now supported.
*** A benchmark suite was added.
*** The "simple.make" build was resurrected.
*** Scripts with bashisms now use bash in shebang.
** Mes
*** 1 New module stub:
(system foreign).
*** 1 New function:
string-every.
*** 3 New symbols:
W_OK, X_OK, F_OK.
** MesCC
*** Using the "-Dinline=" kludge is no longer necessary.
*** Building bootstrappable-tcc using 1.00.02 <= NYACC <= 2.02.2 now works.
*** kernel-stat was fixed for x86_64-linux.
*** Four new prototypes:
strcspn, strncat, strpbrk, strspn.
** Noteworthy bug fixes
*** A bug was fixed in "match" to support NYACC 2.01.0.

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

Thanks to everyone who contributed to this release:

     2	Andrius Štikonas
    15	Ekaitz Zarraga
    35	Janneke Nieuwenhuizen
     1	Samuel Lidén Borell

Janneke  -- on behalf of the Mes developers

-- 
Janneke Nieuwenhuizen <janneke at gnu.org>  | GNU LilyPond https://LilyPond.org
Freelance IT https://www.JoyOfSource.com | Avatar® https://AvatarAcademy.com
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