87 lines
3.6 KiB
Org Mode
87 lines
3.6 KiB
Org Mode
#+COMMENT: -*- org -*-
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#+TITLE: About GNU Mes
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#+SUBTITLE: Maxwell Equations of Software
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[[https://www.gnu.org/software/mes][GNU Mes]] brings a [[http://joyofsource.com/reduced-binary-seed-bootstrap.html][Reduced Binary Seed bootstrap]] to [[https://www.gnu.org/software/guix][GuixSD]] 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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[[http://bootstrappable.org][bootstrappable builds]] 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 [[https://github.com/oriansj/mes-m2][being simplified]] to be transpiled by [[https://github.com/oriansj/m2-planet][M2-Planet]].
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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 [[https://github.com/schemeway/lalr-scm][LALR]], Pre-R6RS
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[[https://www.cs.indiana.edu/chezscheme/syntax-case/old-psyntax.html][portable syntax-case]] with R7RS ellipsis, Matt Wette's [[https://www.nongnu.org/nyacc][Nyacc]] --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 [[http://gitlab.com/janneke/tinycc][lightly patched TinyCC]] 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: [[http://www.softwarepreservation.org/projects/LISP/book/LISP%201.5%20Programmers%20Manual.pdf][LISP-1.5]] -- John
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McCarthy page 13, GNU Guix's source/binary packaging transparency and
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Jeremiah Orians's [[https://github.com/oriansj/stage0][stage0]] ~500 byte self-hosting hex assembler.
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GNU Mes is free software, it is distributed under the terms of the GNU
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General Public Licence version 3 or later. See the file [[file:COPYING][COPYING]].
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* Get it
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#+BEGIN_SRC bash
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git clone git://git.savannah.gnu.org/mes.git
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#+END_SRC
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* Build it (see [[file:INSTALL][INSTALL]] for full instructions)
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#+BEGIN_SRC bash
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./configure
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make all
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make check
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#+END_SRC
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* REPL it
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#+BEGIN_SRC bash
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src/mes.gcc-out # default (64 bit) gcc-compiled
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src/mes.mes-gcc-out # 32 bit, gcc -nostdlib, Mes C Lib
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src/mes.mes-out # 32 bit, bootstrapped, mes.M1+MesCC-compiled
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src/mes.x86_64-mes-gcc-out # 64 bit, gcc -nostdlib, Mes C Lib
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src/mes.x86_64-mes-out # 64 bit, bootstrapped, mes.M1+MesCC-compiled
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#+END_SRC
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* MesCC compiler
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#+BEGIN_SRC bash
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./pre-inst env mescc -c scaffold/main.c
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#+END_SRC
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* Bugs
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Please send Mes bug reports to [[mailto:bug-mes@gnu.org][bug-mes@gnu.org]].
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* Links
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[0] https://www.gnu.org/software/mes
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[1] https://www.gnu.org/software/guix
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[2] http://bootstrappable.org
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[3] https://github.com/oriansj/mes-m2
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[4] https://github.com/oriansj/m2-planet
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[5] https://github.com/schemeway/lalr-scm
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[6] https://www.cs.indiana.edu/chezscheme/syntax-case/old-psyntax.html
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[7] https://www.nongnu.org/nyacc
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[8] http://gitlab.com/janneke/tinycc
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[9] [[http://www.softwarepreservation.org/projects/LISP/book/LISP%201.5%20Programmers%20Manual.pdf]]
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[10] https://github.com/oriansj/stage0
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* Legalese
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Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen <[[mailto:janneke@gnu.org][janneke@gnu.org]]>
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Copying and distribution of this file, with or without modification,
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are permitted in any medium without royalty provided the copyright
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notice and this notice are preserved.
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