134 lines
4.7 KiB
Plaintext
134 lines
4.7 KiB
Plaintext
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Subject: GNU Mes 0.20 released
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<#secure method=pgpmime mode=sign>
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We are pleased to announce the release of GNU Mes 0.20, representing
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147 commits over 38 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). It
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should land in Guix master any day now: a big thank you to everyone who
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helped, notably Ludovic and Mark.
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This release is a step towards the upcoming Scheme-only bootstrap and
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bringing Mes into NixOS and Debian. This effort is now sponsored by
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NLnet[12].
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Next targets:
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- ARM support
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- Reduced Binary Seed bootstrap for ARM
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- Scheme-only bootstrap: use Guile and Gash to remove bash,
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coreutils&co, grep, sed, etc. from the Guix bootstrap binaries
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- mes-m2: port Mes.c to M2-Planet
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- Introduce Reduced Binaries Seed bootstrap to NixOS
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- Debian?
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- 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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and potentially to any other interested GNU/Linux distribution, and
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aims 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 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-0.20.tar.gz
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https://ftp.gnu.org/gnu/mes/mes-0.20.tar.gz.sig
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Use a mirror for higher download bandwidth:
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https://ftpmirror.gnu.org/mes/mes-0.20.tar.gz
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https://ftpmirror.gnu.org/mes/mes-0.20.tar.gz.sig
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Here are the MD5 and SHA1 checksums:
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df839a83e4a2ad6c2a4accc5bf17b1a7 mes-0.20.tar.gz
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38d4cb3fa28fa1f5fc57fea9e046d4d8052bbb8c mes-0.20.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-0.20.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 0.20 since 0.19
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** Core
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*** The build system has been simplified, again.
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Mes now builds ootb on Debian.
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*** Mes now supports -c EXPR.
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** Divide by zero is now flagged.
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** Language
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*** 1 new function:
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take-while.
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** MesCC
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*** The C libraries have been exploded into one function per file.
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*** MesCC now has enhanced POSIX/gcc comand line support, e.g. -DFOO=1,
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-nodefaultlibs, -nostartfiles, -nostdlib.
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*** The archiver is now called `mesar'.
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*** MesCC now supports Nyacc-0.99.
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*** MesCC now depends on MesCC-Tools 0.6.0.
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*** 1 new function
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__mesabi_uldiv.
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** Noteworthy bug fixes
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*** interger division has been fixed.
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*** isatty now looks at terminfo.
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*** signal now uses sigaction correctly for non-x86.
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*** string->number now support #x hex-prefix.
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*** ungetc now has a buffer per file handle.
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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] 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://savannah.nongnu.org/projects/stage0
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[12] https://nlnet.nl/project/GNUMes
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