116 lines
4.5 KiB
Groff
116 lines
4.5 KiB
Groff
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Subject: GNU Mes 0.24.1 released
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<#secure method=pgpmime mode=sign>
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We are happy to announce the release of GNU Mes 0.24.1, representing 23
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commits over five months by four people.
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Mes now supports the stage0-posix and M2-Planet Full Source bootstrap on
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Aarch64 for ARM. Because stage0-posix does not support ARM yet, the Mes
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ARM bootstrap is currently prototyped on Aarch64.
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We are excited that the NlNet Foundation[4] is again sponsoring this
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work!
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What's next?
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Work to prototype this so-called "Full Source Bootstrap" for ARM on
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Aarch64 is happening on the wip-aarch64-bootstrap[3] branch. Also, full
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Guile compatible module support, and RISC-V support.
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Enjoy!
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* About
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GNU Mes[5] is a Scheme interpreter and C compiler for bootstrapping
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the GNU System. Since version 0.22 it has again helped to halve the
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size of opaque, uninspectable binary seeds that are currently being
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used in the Reduced Binary Seed bootstrap[6] of GNU Guix[7]. The
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final goal is to help create a full source bootstrap as part of the
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bootstrappable builds[8] effort for UNIX-like operating systems.
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The Scheme interpreter is written in ~5,000 LOC of simple C, and the C
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compiler written in Scheme and these are mutual self-hosting. Mes can
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now be bootstrapped from M2-Planet[9] and Mescc-Tools[10].
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Mes has a Garbage Collector, a library of loadable Scheme modules--
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notably Dominique Boucher's LALR[11], Pre-R6RS portable
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syntax-case[12] with R7RS ellipsis, Matt Wette's Nyacc[13] --and test
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suite, just enough to support a REPL and a C99 compiler: mescc.
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Mes + MesCC + Mes C Library can build a bootstrappable TinyCC[14] that
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is 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, x86_64-linux, armhf-linux and aarch64-linux.
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Mes is inspired by The Maxwell Equations of Software: LISP-1.5[15] --
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John McCarthy page 13, GNU Guix's source/binary packaging transparency
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and Jeremiah Orians's stage0[16] 357-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-0.24.1.tar.gz
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https://ftp.gnu.org/gnu/mes/mes-0.24.1.tar.gz.sig
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Use a mirror for higher download bandwidth:
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https://ftpmirror.gnu.org/mes/mes-0.24.1.tar.gz
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https://ftpmirror.gnu.org/mes/mes-0.24.1.tar.gz.sig
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Here are the SHA1 and SHA256 checksums:
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bceaaaf1cafaa31ccb1ee1247ce2dd651a2f67be mes-0.24.1.tar.gz
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35120ceb0676632e58973355b9f86dff9cc717ed65ed2a17ff5272c59f2a0535 mes-0.24.1.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-0.24.1.tar.gz.sig
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If that command fails because you don't have the required public key,
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or that public key has expired, try the following commands to update
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or refresh it, and then rerun the 'gpg --verify' command.
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gpg --recv-keys 1A858392E331EAFDB8C27FFBF3C1A0D9C1D65273
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* Get informed, get involved
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See https://bootstrappable.org
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Join #bootstrappable on irc.libera.chat
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* NEWS
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* Changes in 0.24.1 since 0.24
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** Build
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*** Support M2-Planet bootstrap for ARM.
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** MesCC
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*** The Mes C Library now supports bootstrapping ARM.
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** Noteworthy bug fixes
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*** The definition of S_ISUID was fixed.
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*** Unsigned modulo has been fixed for ARM.
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*** A bug with abtol has been fixed.
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*** Workarounds for building with gcc-12.2.0 have been added.
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* Links
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[0] https://github.com/oriansj/stage0-posix
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[1] https://github.com/oriansj/bootstrap-seeds
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[2] https://archive.fosdem.org/2021/schedule/event/gnumes/
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[3] https://git.savannah.gnu.org/cgit/guix.git/log/?h=wip-aarch64-bootstrap
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[4] https://nlnet.nl/project/GNUMes-ARM_RISC-V
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[5] https://www.gnu.org/software/mes
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[6] https://guix.gnu.org/blog/2020/guix-further-reduces-bootstrap-seed-to-25
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[7] https://www.gnu.org/software/guix
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[8] https://bootstrappable.org
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[9] https://github.com/oriansj/m2-planet
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[10] https://savannah.nongnu.org/projects/mescc-tools
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[11] https://github.com/schemeway/lalr-scm
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[12] https://www.cs.indiana.edu/chezscheme/syntax-case/old-psyntax.html
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[13] https://www.nongnu.org/nyacc
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[14] https://gitlab.com/janneke/tinycc
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[15] http://www.softwarepreservation.org/projects/LISP/book/LISP%201.5%20Programmers%20Manual.pdf
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[16] https://savannah.nongnu.org/projects/stage0
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