We are happy to announce the release of GNU Mes 0.23, representing 125 commits over one year by four people.
Mes was ported to ARM and can now be used in the GNU Guix Reduced Binary Seed bootstrap as described here https://guix.gnu.org/blog/2020/guix-further-reduces-bootstrap-seed-to-25/ and now also for armhf-linux and aarch-linux. Work to integrate this into Guix is ongoing: tinycc and gcc-core-2.95.3 have been built. We are excited that the Nlnet Foundation is now sponsoring this work! Enjoy, Janneke and Danny. * About GNU Mes is a Scheme interpreter and C compiler for bootstrapping the GNU System. Since version 0.22 it has again helped to halve the size of opaque, uninspectable binary seeds that are currently being used in the Reduced Binary Seed bootstrap of GNU Guix. The final goal is to help create a full source bootstrap as part of the bootstrappable builds effort for UNIX-like operating systems. The Scheme interpreter is written in ~5,000 LOC of simple C, and the C compiler written in Scheme and these are mutual self-hosting. This mes.c is now being simplified to be transpiled by M2-Planet. Mes 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 enough to support a REPL and a C99 compiler: mescc. Mes + MesCC + Mes C Library can build a bootstrappable 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, x86_64-linux, armhf-linux and aarch64-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. We are very grateful to NLNet for sponsoring the Reduced Binary Seed bootstrap and the ARM port. * Download git clone git://git.savannah.gnu.org/mes.git Here are the compressed sources and a GPG detached signature[*]: https://ftp.gnu.org/gnu/mes/mes-0.23.tar.gz https://ftp.gnu.org/gnu/mes/mes-0.23.tar.gz.sig Use a mirror for higher download bandwidth: https://ftpmirror.gnu.org/mes/mes-0.23.tar.gz https://ftpmirror.gnu.org/mes/mes-0.23.tar.gz.sig Here are the MD5 and SHA1 checksums: e9a0ae6e2c3842cf57fccb54909463ba mes-0.23.tar.gz 0560879358e5a980f7374844c495c92014b47878 mes-0.23.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-0.23.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 1A858392E331EAFDB8C27FFBF3C1A0D9C1D65273 and rerun the 'gpg --verify' command. * Get informed, get involved See https://bootstrappable.org Join #bootstrappable on irc.freenode.net. * NEWS * Changes in 0.23 since 0.22 ** Core *** Mes and Mes C Library can now be built with GCC 10.x. ** MesCC *** The Mes C Library now supports an armhf-linux bootstrap. *** MesCC now supports ARM. *** mini.c library was split into _exit.c, and _write.c. *** When building with GCC, -lgcc is now used. *** MesCC now has it's own support library libmescc.a (-lmescc). *** MesCC now requires mescc-tools-0.7.0 or later for ARM. *** MesCC can be now built with nyacc-1.00.2: note that nyacc-1.03.0 is not (backwards) compatible. *** MesCC can be built with Guile 3.0.x: See https://bugs.gnu.org/43831; use guild compile -O1 with Guile 3.0.x. *** MesCC now raises SIGABRT on abort, if supported. ** Noteworthy bug fixes *** unreadchar on EOF is now a no-op. *** malloc now aligns the blocks it gives out to max_align_t.  https://www.gnu.org/software/mes  https://guix.gnu.org/blog/2020/guix-further-reduces-bootstrap-seed-to-25  https://www.gnu.org/software/guix  https://bootstrappable.org  https://github.com/oriansj/m2-planet  https://github.com/schemeway/lalr-scm  https://www.cs.indiana.edu/chezscheme/syntax-case/old-psyntax.html  https://www.nongnu.org/nyacc  https://gitlab.com/janneke/tinycc  http://www.softwarepreservation.org/projects/LISP/book/LISP%201.5%20Programmers%20Manual.pdf  https://savannah.nongnu.org/projects/stage0  https://nlnet.nl/project/GNUMes  https://nlnet.nl/project/GNUMes-arm -- Jan Nieuwenhuizen <jann...@gnu.org> | GNU LilyPond http://lilypond.org Freelance IT http://JoyofSource.com | Avatar® http://AvatarAcademy.com
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