133 lines
5.0 KiB
Plaintext
133 lines
5.0 KiB
Plaintext
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Subject: GNU Mes 0.21 released
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<#secure method=pgpmime mode=sign>
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We are pleased to announce the release of GNU Mes 0.21, representing
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54 commits over 10 weeks.
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Mes has now brought the Reduced Binary Seed bootstrap to Guix (bootstrap
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a GNU/Linux system without binary GNU toolchain or equivalent). See
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https://guix.gnu.org/blog/2019/guix-reduces-bootstrap-seed-by-50/
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This release supports a Scheme-only bootstrap: Mes can now be built with
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Gash and the experimental Gash Core Utils instead of using GNU Awk, GNU
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Bash, the GNU Core Utilities, GNU Grep, GNU Gzip, GNU Make, GNU Sed, and
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GNU Tar. Also, the Mes C Library now supports bootstrapping those.
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Finally, this release brings Mes as a package to Debian GNU/Linux.
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We are excited that the Nlnet Foundation[12] is now sponsoring this
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work!
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Next targets:
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- Introduce the Reduced Binaries Seed bootstrap to NixOS (Debian,
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Gentoo, ...?)
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- Scheme-only bootstrap: use Guile, Gash and Gash Core Utils to remove
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awk, bash, core utilities, grep, gzip, make, sed, tar, etc. from the
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Guix bootstrap binaries
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- ARM support
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- Full Source Bootstrap: compile Mes.c using M2-Planet
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- Reduced Binary Seed bootstrap for ARM
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- the Hurd
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Packages are available in Guix master.
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* About
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GNU Mes[0] brings a Reduced Binary Seed bootstrap[1] to GNU Guix[2].
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This bootstrap has halved the size of opaque, uninspectable binaries
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that were needed to bootstrap Guix. The final goal is to help create
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a full source bootstrap as part of the bootstrappable builds[3] effort
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for any interested UNIX-like operating system.
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It consists of a mutual self-hosting Scheme interpreter written in
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~5,000 LOC of simple C and a Nyacc-based C compiler written in Scheme.
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This mes.c is being simplified[4] to be transpiled by M2-Planet[5].
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The Scheme interpreter has a Garbage Collector, a library of loadable
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Scheme modules-- notably Dominique Boucher's LALR[6], Pre-R6RS
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[portable syntax-case[7] with R7RS ellipsis, Matt Wette's Nyacc[8]
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--and test suite just enough to support a REPL and a C99 compiler:
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MesCC.
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Mes+MesCC can compile an only lightly patched TinyCC[9] that is
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self-hosting. Using this tcc and the Mes C library we now have a
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Reduced Binary Seed bootstrap for the gnutools triplet: glibc-2.2.5,
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binutils-2.20.1, gcc-2.95.3. This is enough to bootstrap Guix for
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i686-linux and x86_64-linux.
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Mes is inspired by The Maxwell Equations of Software: LISP-1.5[10] -- John
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McCarthy page 13, GNU Guix's source/binary packaging transparency and
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Jeremiah Orians's stage0[11] ~500 byte self-hosting hex assembler.
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* Download
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git clone git://git.savannah.gnu.org/mes.git
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Here are the compressed sources and a GPG detached signature[*]:
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https://ftp.gnu.org/gnu/mes/mes-0.21.tar.gz
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https://ftp.gnu.org/gnu/mes/mes-0.21.tar.gz.sig
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Use a mirror for higher download bandwidth:
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https://ftpmirror.gnu.org/mes/mes-0.21.tar.gz
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https://ftpmirror.gnu.org/mes/mes-0.21.tar.gz.sig
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Here are the MD5 and SHA1 checksums:
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xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx mes-0.21.tar.gz
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xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx mes-0.21.tar.gz
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[*] Use a .sig file to verify that the corresponding file (without the
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.sig suffix) is intact. First, be sure to download both the .sig file
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and the corresponding tarball. Then, run a command like this:
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gpg --verify mes-0.21.tar.gz.sig
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If that command fails because you don't have the required public key,
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then run this command to import it:
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gpg --keyserver keys.gnupg.net --recv-keys 1A858392E331EAFDB8C27FFBF3C1A0D9C1D65273
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and rerun the 'gpg --verify' command.
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* Get informed, get involved
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See https://bootstrappable.org
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Join #bootstrappable on irc.freenode.net.
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* Changes in 0.21 since 0.20
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** Core
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*** Mes can now be bootstrapped with Gash and Gash Core Utils.
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*** Mes now supports a Scheme-only bootstrap.
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*** Mes now supports -c EXPR.
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** MesCC
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*** Mes C Library now supports bootstrapping GNU Awk, GNU Bash, GNU SED, and GNU Tar.
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*** Mes C Library now has limited float support in vfprintf, vsnprintf, vsscanf.
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**** 7 new functions
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abtod, atof, creat, dtoab, execlp, isgraph, mknod, readlink, strtod,
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symblink.
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**** 5 new stubs
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getgrgid, getgrnam, getpgid, getpgrp, mktime, setgrent.
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** Noteworthy bug fixes
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*** A bug with `mes -c EXPR' has been fixed.
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*** The REPL now works again on x86_64.
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*** --with-system-libc now works again.
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Greetings,
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janneke and Danny.
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[0] https://www.gnu.org/software/mes
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[1] https://guix.gnu.org/blog/2019/guix-reduces-bootstrap-seed-by-50/
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[2] https://www.gnu.org/software/guix
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[3] https://bootstrappable.org
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[4] https://github.com/oriansj/mes-m2
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[5] https://github.com/oriansj/m2-planet
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[6] https://github.com/schemeway/lalr-scm
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[7] https://www.cs.indiana.edu/chezscheme/syntax-case/old-psyntax.html
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[8] https://www.nongnu.org/nyacc
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[9] https://gitlab.com/janneke/tinycc
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[10] http://www.softwarepreservation.org/projects/LISP/book/LISP%201.5%20Programmers%20Manual.pdf
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[11] https://savannah.nongnu.org/projects/stage0
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[12] https://nlnet.nl/project/GNUMes
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