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GNU Mes 0.20 released
GNU Mes 0.20 released
Mon, 09 Sep 2019 23:06:56 +0200
We are pleased to announce the release of GNU Mes 0.20, representing
147 commits over 38 weeks.
Mes has now brought the Reduced Binary Seed bootstrap to Guix (bootstrap
a GNU/Linux system without binary GNU toolchain or equivalent). It
should land in Guix master any day now: a big thank you to everyone who
helped, notably Ludovic and Mark.
This release is a step towards the upcoming Scheme-only bootstrap and
bringing Mes into NixOS and Debian. This effort is now sponsored by
- ARM support
- Reduced Binary Seed bootstrap for ARM
- Scheme-only bootstrap: use Guile and Gash to remove bash,
coreutils&co, grep, sed, etc. from the Guix bootstrap binaries
- mes-m2: port Mes.c to M2-Planet
- Introduce Reduced Binaries Seed bootstrap to NixOS
Packages are available in Guix master.
GNU Mes brings a Reduced Binary Seed bootstrap to GNU Guix
and potentially to any other interested GNU/Linux distribution, and
aims to help create a full source bootstrap as part of the
bootstrappable builds effort.
It consists of a mutual self-hosting Scheme interpreter written in
~5,000 LOC of simple C and a Nyacc-based C compiler written in Scheme.
This mes.c is being simplified to be transpiled by M2-Planet.
The Scheme interpreter (mes.c) has a Garbage Collector, a library of
loadable Scheme modules-- notably Dominique Boucher's LALR, Pre-R6RS
[portable syntax-case with R7RS ellipsis, Matt Wette's Nyacc --and test
suite just barely enough to support a simple REPL and simple
Mes+MesCC can compile an only lightly patched TinyCC that is
self-hosting. Using this tcc and the Mes C library we now have a
Reduced Binary Seed bootstrap for the gnutools triplet: glibc-2.2.5,
binutils-2.20.1, gcc-2.95.3. This is enough to bootstrap Guix for
i686-linux and x86_64-linux.
Mes is inspired by The Maxwell Equations of Software: LISP-1.5 -- John
McCarthy page 13, GNU Guix's source/binary packaging transparency and
Jeremiah Orians's stage0 ~500 byte self-hosting hex assembler.
git clone git://git.savannah.gnu.org/mes.git
Here are the compressed sources and a GPG detached signature[*]:
Use a mirror for higher download bandwidth:
Here are the MD5 and SHA1 checksums:
[*] 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-0.20.tar.gz.sig
If that command fails because you don't have the required public key,
then run this command to import it:
gpg --keyserver keys.gnupg.net --recv-keys
and rerun the 'gpg --verify' command.
* Changes in 0.20 since 0.19
*** The build system has been simplified, again.
Mes now builds ootb on Debian.
*** Mes now supports -c EXPR.
** Divide by zero is now flagged.
*** 1 new function:
*** The C libraries have been exploded into one function per file.
*** MesCC now has enhanced POSIX/gcc comand line support, e.g. -DFOO=1,
-nodefaultlibs, -nostartfiles, -nostdlib.
*** The archiver is now called `mesar'.
*** MesCC now supports Nyacc-0.99.
*** MesCC now depends on MesCC-Tools 0.6.0.
*** 1 new function
** Noteworthy bug fixes
*** interger division has been fixed.
*** isatty now looks at terminfo.
*** signal now uses sigaction correctly for non-x86.
*** string->number now support #x hex-prefix.
*** ungetc now has a buffer per file handle.
janneke and Danny.
Jan Nieuwenhuizen <address@hidden> | GNU LilyPond http://lilypond.org
Freelance IT http://JoyofSource.com | Avatar® http://AvatarAcademy.com
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