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https://github.com/ekaitz-zarraga/mes

Mes fork for RISC-V work
https://github.com/ekaitz-zarraga/mes

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Mes fork for RISC-V work

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README 

        
#+COMMENT:                                                            -*- org -*-

#+TITLE: About GNU Mes



#+SUBTITLE: Maxwell Equations of Software



[[https://www.gnu.org/software/mes][GNU Mes]] is a Scheme interpreter and C compiler for bootstrapping the GNU

System.  It has helped to decimate the number and size of binary seeds

that were used in the bootstrap of [[https://www.gnu.org/software/guix][GNU Guix]] 1.0.  Recently, version

0.24.2 has realized the first [[https://guix.gnu.org/en/blog/2023/the-full-source-bootstrap-building-from-source-all-the-way-down/][Full Source Bootstrap]] for Guix.  The final

goal is to help create a full source bootstrap as part of the

[[https://bootstrappable.org][bootstrappable builds]] effort for any UNIX-like operating system.



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.  Mes can

now be bootstrapped from [[https://github.com/oriansj/m2-planet][M2-Planet]] and [[https://savannah.nongnu.org/projects/mescc-tools][Mescc-Tools]].



Mes has a Garbage Collector, a library of loadable Scheme modules--

notably Dominique Boucher's [[https://github.com/schemeway/lalr-scm][LALR]], Pre-R6RS [[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 suite, just enough to

support a REPL and a C99 compiler: mescc.



Mes + MesCC + Mes C Library can build a [[https://gitlab.com/janneke/tinycc][bootstrappable TinyCC]] that is

self-hosting.  Using this bootstrappable-tcc and the Mes C library we

can build an ancient version of the GNU tools 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 was inspired by The Maxwell Equations of Software: [[https://www.softwarepreservation.org/projects/LISP/book/LISP%201.5%20Programmers%20Manual.pdf][LISP-1.5]] -- John

McCarthy page 13, Guix's source/binary packaging transparency and

Jeremiah Orians's [[https://github.com/oriansj/stage0][stage0]], a ~500-byte self-hosting hex assembler.



We are very grateful to NLNet for sponsoring the [[https://nlnet.nl/project/GNUMes][Reduced Binary Seed

bootstrap]], the [[https://nlnet.nl/project/GNUMes-arm][ARM port]], and the [[https://nlnet.nl/project/GNUMes-ARM_RISC-V][Full Source Bootstrap.]]



GNU Mes is free software, it is distributed under the terms of the GNU

General Public Licence version 3 or later.  See the file [[file:COPYING][COPYING]].



* Get it



   #+BEGIN_SRC bash

   git clone git://git.savannah.gnu.org/mes.git

   #+END_SRC



* Build it (see [[file:INSTALL][INSTALL]] for full instructions)



   #+BEGIN_SRC bash

   ./configure

   make all

   make check

   #+END_SRC



* REPL it



   #+BEGIN_SRC bash

   ./pre-inst-env mes

   #+END_SRC



* MesCC compiler



   #+BEGIN_SRC bash

   ./pre-inst-env mescc -c scaffold/main.c

   #+END_SRC



* Bugs



    Please send Mes bug reports to [[mailto:[email protected]][[email protected]]].



* Links

  [0] https://www.gnu.org/software/mes

  [1] https://www.gnu.org/software/guix

  [2] https://guix.gnu.org/en/blog/2023/the-full-source-bootstrap-building-from-source-all-the-way-down/

  [3] https://bootstrappable.org

  [4] https://github.com/oriansj/m2-planet

  [5] https://savannah.nongnu.org/projects/mescc-tools

  [6] https://github.com/schemeway/lalr-scm

  [7] https://www.cs.indiana.edu/chezscheme/syntax-case/old-psyntax.html

  [8] https://www.nongnu.org/nyacc

  [9] https://gitlab.com/janneke/tinycc

  [10] [[https://www.softwarepreservation.org/projects/LISP/book/LISP%201.5%20Programmers%20Manual.pdf]]

  [11] https://savannah.nongnu.org/projects/stage0

  [12] https://nlnet.nl/project/GNUMes

  [13] https://nlnet.nl/project/GNUMes-arm

  [14] https://nlnet.nl/project/GNUMes-ARM_RISC-V



* Legalese

Copyright © 2016,2017,2018,2019,2020,2021,2022,2023 Jan (janneke) Nieuwenhuizen <[[mailto:[email protected]][[email protected]]]>



  Copying and distribution of this file, with or without modification,

  are permitted in any medium without royalty provided the copyright

  notice and this notice are preserved.