2018-10-07 13:29:42 +00:00
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2018-10-07 15:19:04 +00:00
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Subject: GNU Mes 0.18 released
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2018-10-07 13:29:42 +00:00
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<#secure method=pgpmime mode=sign>
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We are pleased to announce the release of GNU Mes 0.18, representing
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83 commits over 8 weeks.
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Mes is now bringing a Reduced Binary Seed bootstrap to GuixSD; the
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size of bootstrap binaries has been halved and no regular toolchain
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binaries are used as binary seeds (i686-linux and x86_64-linux only).
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2018-10-07 15:19:04 +00:00
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MesCC has been refactored to use an abstracted assembly language and
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can now (cross-)build x86_64 binaries.
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2018-10-07 13:29:42 +00:00
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Next targets:
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- reduce the 1MB ASCII M1 seed to ~5000 LOC/~100KB of M2 source
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- revive Gash/Geesh and use it to decimate the remaining bootstrap
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binary seeds
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- and/or otherwise reduce the bootstrap binaries
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- ARM, the Hurd?
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Packages are available from Guix's core-updates-next branch.
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* About
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GNU Mes[0] brings a Reduced Binary Seed bootstrap[1] to GuixSD[2] and
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potentially to any other interested GNU/Linux distribution, and aims
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to help create a full source bootstrap as part of the
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bootstrappable builds[3] effort.
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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 (mes.c) has a Garbage Collector, a library of
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loadable 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] --and test
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suite just barely enough to support a simple REPL and simple
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C-compiler: 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 GuixSD 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-0.18.tar.gz
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https://ftp.gnu.org/gnu/mes/mes-0.18.tar.gz.sig
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Use a mirror for higher download bandwidth:
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https://ftpmirror.gnu.org/mes/mes-0.18.tar.gz
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https://ftpmirror.gnu.org/mes/mes-0.18.tar.gz.sig
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Here are the MD5 and SHA1 checksums:
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f9f901f175fbc8a5a3d90c9c551ccc8c mes-0.18.tar.gz
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4f7612731a745ebb806548186453d55e0d0bf217 mes-0.18.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-0.18.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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Mes runs from the source tree and can also be built, packaged and
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installed in Guix[SD] from a git checkout by running
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guix package -f .guix.scm
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* Get informed, get involved
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Join #bootstrappable on irc.freenode.net.
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* Changes in 0.18 since 0.17.1
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** Core
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*** Mes/MesCC now supports x86_64.
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*** Mes/MesCC now brings a Reduced Binary Seed bootstrap to GuixSD.
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** Language
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*** fold-right now supports 3 lists.
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** MesCC
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*** MesCC now supports x86_64 (also as cross build), using -m 64.
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*** Mes C Library now has better support for bootstrapping gcc-3.0.
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*** Mes C test suite now has 178 tests; 74 tests were added.
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*** MesCC has been refactored to support use an abstracted assembly language.
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*** MesCC now uses Nyacc 0.86.0.
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** Noteworthy bug fixes
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*** scaffold/tests/7s-struct-short.c has been fixed.
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* Changes in 0.17.1 since 0.17
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** MesCC
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*** Mes C Library has now been exploded into a separate C file per function.
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*** Mes C Library now bootstraps glibc-2.16.0, binutils-2.20.1, gcc-4.7.4.
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*** Mes C Library now supports compiling make-3.82.
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*** Mes C Library now supports compiling diffutils-2.7.
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*** Mes C Library now supports x86_64.
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**** 7 new functions
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chdir, clock_gettime, closedir, execl, opendir, readdir, time.
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**** 5 new stubs
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getlogin, setlocale, setvbuf, sigaddset, sigblock.
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** Noteworthy bug fixes
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*** qsort can now handle lists with duplicate entries.
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Greetings,
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janneke
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[0] https://www.gnu.org/software/mes
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[1] http://joyofsource.com/reduced-binary-seed-bootstrap.html
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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://github.com/oriansj/stage0
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