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DRAFT doc: Update for 0.25.

Browse source 
* doc/images/gcc-mesboot-graph.dot: Regenerate.
* doc/mes.texi (Introduction): Whitespace fixes.
(Full Source Bootstrap): Mention deployment in Guix.
(Requirements): Update M2-Planet to 1.10.0.
(Bootstrap Requirements): Likewise.
(The Mes Bootstrap Process): Update Reduced Binary Bootstrap to Full
Source Bootstrap.  Update next priority.  Add deployments.
(Bootstrapping): Add tagline for "Invoking mesar".
(Full Source Bootstrap Deployments): New subsection.
This commit is contained in:
Janneke Nieuwenhuizen 2023-05-03 07:42:13 +02:00
parent ad18345687
commit 1a1fbfd36c
2 changed files with 167 additions and 141 deletions
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181
doc/images/gcc-mesboot-graph.dot
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@ -1,107 +1,80 @@
digraph "Guix bag" { digraph "Guix bag" {
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"/gnu/store/xdhz4v7icrfwdbq1j5j052id8l04arms-bootstrap-mes-rewired-0.19.drv" -> "/gnu/store/jrf5jckbwk949npav1p62vgcg95lr4mx-gash-boot-0.2.0.drv" [color = cyan3]; "/gnu/store/xznzx9xadd0x7z1az87likm636i8fldh-patch-mesboot-2.5.9.drv" [label = "patch-mesboot@2.5.9", shape = box, fontname = sans];
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"/gnu/store/jrf5jckbwk949npav1p62vgcg95lr4mx-gash-boot-0.2.0.drv" [label = "gash-boot@0.2.0", shape = box, fontname = sans]; "/gnu/store/xznzx9xadd0x7z1az87likm636i8fldh-patch-mesboot-2.5.9.drv" -> "/gnu/store/1jfd6izcr1f5ijkrh7z8bpfnkgfc6rvz-tcc-boot0-0.9.26-1136-g5bba73cc.drv" [color = blue];
"/gnu/store/jrf5jckbwk949npav1p62vgcg95lr4mx-gash-boot-0.2.0.drv" -> "/gnu/store/w77kjhmj4c4sncndnh0kvf0jfpwpradm-bootar-1a.drv" [color = darkviolet]; "/gnu/store/xznzx9xadd0x7z1az87likm636i8fldh-patch-mesboot-2.5.9.drv" -> "/gnu/store/08jspv02rj1zad6y6ascil5r8lw4zz7d-gash-boot-0.3.0.drv" [color = blue];
"/gnu/store/jrf5jckbwk949npav1p62vgcg95lr4mx-gash-boot-0.2.0.drv" -> "/gnu/store/qs4086i9b9q0b74l4wjqgzbdc3c0f58f-guile-bootstrap-2.0.drv" [color = darkviolet]; "/gnu/store/xznzx9xadd0x7z1az87likm636i8fldh-patch-mesboot-2.5.9.drv" -> "/gnu/store/hjzqij47br5wns4y2dzs094rsp4q82n5-gash-utils-boot-0.2.0.drv" [color = blue];
"/gnu/store/w77kjhmj4c4sncndnh0kvf0jfpwpradm-bootar-1a.drv" [label = "bootar@1a", shape = box, fontname = sans]; "/gnu/store/xznzx9xadd0x7z1az87likm636i8fldh-patch-mesboot-2.5.9.drv" -> "/gnu/store/c2rwfalxivxrs29b56hxxb8zz6ad38iz-bootar-1b.drv" [color = blue];
"/gnu/store/w77kjhmj4c4sncndnh0kvf0jfpwpradm-bootar-1a.drv" -> "/gnu/store/qs4086i9b9q0b74l4wjqgzbdc3c0f58f-guile-bootstrap-2.0.drv" [color = blue]; "/gnu/store/xznzx9xadd0x7z1az87likm636i8fldh-patch-mesboot-2.5.9.drv" -> "/gnu/store/5pfm57hqv1xk7bm9xc36y568ssv1zawb-guile-bootstrap-2.0.drv" [color = blue];
"/gnu/store/qs4086i9b9q0b74l4wjqgzbdc3c0f58f-guile-bootstrap-2.0.drv" [label = "guile-bootstrap@2.0", shape = box, fontname = sans]; "/gnu/store/gqz3fvamvvzb2gp6b6kk4imr0kywvxcr-make-mesboot0-3.80.drv" [label = "make-mesboot0@3.80", shape = box, fontname = sans];
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"/gnu/store/yl8gsvanaj8wgngmgc4an06g5ybadad2-gash-utils-boot-0.1.0.drv" -> "/gnu/store/qs4086i9b9q0b74l4wjqgzbdc3c0f58f-guile-bootstrap-2.0.drv" [color = blue]; "/gnu/store/gqz3fvamvvzb2gp6b6kk4imr0kywvxcr-make-mesboot0-3.80.drv" -> "/gnu/store/5pfm57hqv1xk7bm9xc36y568ssv1zawb-guile-bootstrap-2.0.drv" [color = dimgrey];
"/gnu/store/yy8bxckakx5f4rpvqfggrfy21y7bn53g-bzip2-mesboot-1.0.8.drv" [label = "bzip2-mesboot@1.0.8", shape = box, fontname = sans]; "/gnu/store/qmxs62ligcdsdb0x3n00mgfr6hm8nx3h-tcc-boot-0.9.27.drv" [label = "tcc-boot@0.9.27", shape = box, fontname = sans];
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"/gnu/store/yy8bxckakx5f4rpvqfggrfy21y7bn53g-bzip2-mesboot-1.0.8.drv" -> "/gnu/store/jrf5jckbwk949npav1p62vgcg95lr4mx-gash-boot-0.2.0.drv" [color = blue]; "/gnu/store/qmxs62ligcdsdb0x3n00mgfr6hm8nx3h-tcc-boot-0.9.27.drv" -> "/gnu/store/1jfd6izcr1f5ijkrh7z8bpfnkgfc6rvz-tcc-boot0-0.9.26-1136-g5bba73cc.drv" [color = blue];
"/gnu/store/yy8bxckakx5f4rpvqfggrfy21y7bn53g-bzip2-mesboot-1.0.8.drv" -> "/gnu/store/yl8gsvanaj8wgngmgc4an06g5ybadad2-gash-utils-boot-0.1.0.drv" [color = blue]; "/gnu/store/qmxs62ligcdsdb0x3n00mgfr6hm8nx3h-tcc-boot-0.9.27.drv" -> "/gnu/store/08jspv02rj1zad6y6ascil5r8lw4zz7d-gash-boot-0.3.0.drv" [color = blue];
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"/gnu/store/qyphha8i1pylf10pm76400kq5d07zsvr-gzip-mesboot-1.2.4.drv" [label = "gzip-mesboot@1.2.4", shape = box, fontname = sans]; "/gnu/store/qmxs62ligcdsdb0x3n00mgfr6hm8nx3h-tcc-boot-0.9.27.drv" -> "/gnu/store/5pfm57hqv1xk7bm9xc36y568ssv1zawb-guile-bootstrap-2.0.drv" [color = blue];
"/gnu/store/qyphha8i1pylf10pm76400kq5d07zsvr-gzip-mesboot-1.2.4.drv" -> "/gnu/store/0izhx7j1n6lcpcbvy9i9pyjkzjpbxrcj-tcc-boot0-0.9.26-1103-g6e62e0e.drv" [color = red];
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"/gnu/store/qyphha8i1pylf10pm76400kq5d07zsvr-gzip-mesboot-1.2.4.drv" -> "/gnu/store/yl8gsvanaj8wgngmgc4an06g5ybadad2-gash-utils-boot-0.1.0.drv" [color = red];
"/gnu/store/qyphha8i1pylf10pm76400kq5d07zsvr-gzip-mesboot-1.2.4.drv" -> "/gnu/store/w77kjhmj4c4sncndnh0kvf0jfpwpradm-bootar-1a.drv" [color = red];
"/gnu/store/qyphha8i1pylf10pm76400kq5d07zsvr-gzip-mesboot-1.2.4.drv" -> "/gnu/store/qs4086i9b9q0b74l4wjqgzbdc3c0f58f-guile-bootstrap-2.0.drv" [color = red];
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"/gnu/store/vn42sjmbh0zr9wn9lnbsdrxlh1zihx50-patch-mesboot-2.5.9.drv" -> "/gnu/store/0izhx7j1n6lcpcbvy9i9pyjkzjpbxrcj-tcc-boot0-0.9.26-1103-g6e62e0e.drv" [color = darkseagreen];
"/gnu/store/vn42sjmbh0zr9wn9lnbsdrxlh1zihx50-patch-mesboot-2.5.9.drv" -> "/gnu/store/jrf5jckbwk949npav1p62vgcg95lr4mx-gash-boot-0.2.0.drv" [color = darkseagreen];
"/gnu/store/vn42sjmbh0zr9wn9lnbsdrxlh1zihx50-patch-mesboot-2.5.9.drv" -> "/gnu/store/yl8gsvanaj8wgngmgc4an06g5ybadad2-gash-utils-boot-0.1.0.drv" [color = darkseagreen];
"/gnu/store/vn42sjmbh0zr9wn9lnbsdrxlh1zihx50-patch-mesboot-2.5.9.drv" -> "/gnu/store/w77kjhmj4c4sncndnh0kvf0jfpwpradm-bootar-1a.drv" [color = darkseagreen];
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"/gnu/store/h1m81zsyi3l4yd9r7pd3ffanb61pszxy-tcc-boot-0.9.27.drv" -> "/gnu/store/hlm2wxhh0irfjnds4i86imdqi13iwj81-make-mesboot0-3.80.drv" [color = blue];
"/gnu/store/h1m81zsyi3l4yd9r7pd3ffanb61pszxy-tcc-boot-0.9.27.drv" -> "/gnu/store/0izhx7j1n6lcpcbvy9i9pyjkzjpbxrcj-tcc-boot0-0.9.26-1103-g6e62e0e.drv" [color = blue];
"/gnu/store/h1m81zsyi3l4yd9r7pd3ffanb61pszxy-tcc-boot-0.9.27.drv" -> "/gnu/store/jrf5jckbwk949npav1p62vgcg95lr4mx-gash-boot-0.2.0.drv" [color = blue];
"/gnu/store/h1m81zsyi3l4yd9r7pd3ffanb61pszxy-tcc-boot-0.9.27.drv" -> "/gnu/store/yl8gsvanaj8wgngmgc4an06g5ybadad2-gash-utils-boot-0.1.0.drv" [color = blue];
"/gnu/store/h1m81zsyi3l4yd9r7pd3ffanb61pszxy-tcc-boot-0.9.27.drv" -> "/gnu/store/w77kjhmj4c4sncndnh0kvf0jfpwpradm-bootar-1a.drv" [color = blue];
"/gnu/store/h1m81zsyi3l4yd9r7pd3ffanb61pszxy-tcc-boot-0.9.27.drv" -> "/gnu/store/qs4086i9b9q0b74l4wjqgzbdc3c0f58f-guile-bootstrap-2.0.drv" [color = blue];
} }

135
doc/mes.texi
View file

@ -13,7 +13,7 @@
@set OPENPGP-SIGNING-KEY-ID 1A858392E331EAFDB8C27FFBF3C1A0D9C1D65273 @set OPENPGP-SIGNING-KEY-ID 1A858392E331EAFDB8C27FFBF3C1A0D9C1D65273
@copying @copying
Copyright @copyright{} 2018,2019,2020,2021,2022 Jan (janneke) Nieuwenhuizen@* Copyright @copyright{} 2018,2019,2020,2021,2022,2023 Jan (janneke) Nieuwenhuizen@*
Permission is granted to copy, distribute and/or modify this document Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.3 or under the terms of the GNU Free Documentation License, Version 1.3 or
@ -93,7 +93,11 @@ Bootstrapping
* The Mes Bootstrap Process:: How Mes will make you yogurt from pure milk. * The Mes Bootstrap Process:: How Mes will make you yogurt from pure milk.
* Invoking mes:: Running Mes, a minimalist Guile lookalike. * Invoking mes:: Running Mes, a minimalist Guile lookalike.
* Invoking mescc:: Running the MesCC bootstrap compiler. * Invoking mescc:: Running the MesCC bootstrap compiler.
* Invoking mesar:: * Invoking mesar:: Running the MesCC bootstrap archiver.
The Mes Bootstrap Process
* Full Source Bootstrap Deployments::
Invoking mes Invoking mes
@ -156,8 +160,8 @@ essential freedoms:
@item @item
The freedom to study how the program works, and change it so it does The freedom to study how the program works, and change it so it does
your computing as you wish (freedom 1). Access to the source code is your computing as you wish (freedom 1). Access to the source code
a precondition for this. is a precondition for this.
@item @item
The freedom to redistribute copies so you can help others (freedom The freedom to redistribute copies so you can help others (freedom
@ -165,8 +169,8 @@ essential freedoms:
@item @item
The freedom to distribute copies of your modified versions to others The freedom to distribute copies of your modified versions to others
(freedom 3). By doing this you can give the whole community a chance (freedom 3). By doing this you can give the whole community a
to benefit from your changes. Access to the source code is a chance to benefit from your changes. Access to the source code is a
precondition for this. precondition for this.
@end enumerate @end enumerate
@end quotation @end quotation
@ -325,12 +329,21 @@ from source.
@node Full Source Bootstrap @node Full Source Bootstrap
@section Full Source Bootstrap @section Full Source Bootstrap
@quotation
The holy grail for bootstrappability will be connecting @code{hex0} to
@code{mes}.
@author Carl Dong
@end quotation
Reduction of binary seeds is great, but there is an obvious target: we Reduction of binary seeds is great, but there is an obvious target: we
cannot allow any binary seeds in our software stack. Not even in the cannot allow any binary seeds in our software stack. Not even in the
bootstrap binary seed. Maybe that is a bit too strong: we want to have bootstrap binary seed. Maybe that is a bit too strong: we want to have
the absolute minimum of binary seeds and all binary seeds need to be the absolute minimum of binary seeds and all binary seeds need to be
inspectable and must be reviewed. How big would the absolute minimal inspectable and must be reviewed. How big would the absolute minimal
set be? set be? During the Guix 1.5 development series we managed to close the
gap between @code{stage0-posix} and @code{mes}. We refer to this as the
@emph{Full-Source Bootstrap}.
@menu @menu
* Stage0:: The Magical Self-Hosting Hex Assembler. * Stage0:: The Magical Self-Hosting Hex Assembler.
@ -565,7 +578,7 @@ The following dependencies are optional:
@itemize @itemize
Support for building the bootstrap @file{bin/mes-m2} depends on Support for building the bootstrap @file{bin/mes-m2} depends on
@item @url{https://github.com/oriansj/m2-planet/, M2-Planet}, version 1.9.0. @item @url{https://github.com/oriansj/m2-planet/, M2-Planet}, version 1.10.0.
@end itemize @end itemize
@cindex Guile, compatibility @cindex Guile, compatibility
@ -595,7 +608,7 @@ Bootstrapping Mes depends on the following packages:
@itemize @itemize
@item a POSIX-compatible shell @item a POSIX-compatible shell
@item @url{https://savannah.gnu.org/projects/mescc-tools/, mescc-tools}, version 1.4.0, @item @url{https://savannah.gnu.org/projects/mescc-tools/, mescc-tools}, version 1.4.0,
@item @url{https://github.com/oriansj/m2-planet/, M2-Planet}, version 1.9.0. @item @url{https://github.com/oriansj/m2-planet/, M2-Planet}, version 1.10.0.
@item @url{https://savannah.gnu.org/projects/nyacc/, NYACC}, version 1.00.2, @item @url{https://savannah.gnu.org/projects/nyacc/, NYACC}, version 1.00.2,
@end itemize @end itemize
@ -684,17 +697,17 @@ responsibility.
* The Mes Bootstrap Process:: How Mes will make you yogurt from pure milk. * The Mes Bootstrap Process:: How Mes will make you yogurt from pure milk.
* Invoking mes:: Running Mes, a minimalist Guile lookalike. * Invoking mes:: Running Mes, a minimalist Guile lookalike.
* Invoking mescc:: Running the MesCC bootstrap compiler. * Invoking mescc:: Running the MesCC bootstrap compiler.
* Invoking mesar:: * Invoking mesar:: Running the MesCC bootstrap archiver.
@end menu @end menu
@node The Mes Bootstrap Process @node The Mes Bootstrap Process
@section The Mes Bootstrap Process @section The Mes Bootstrap Process
The Reduced Binary Seed bootstrap currently adopted by Guix@footnote{See The Full Source Bootstrap currently adopted by Guix@footnote{See
@file{gnu/packages/commencement.scm} in the @var{master} branch in Guix @file{gnu/packages/commencement.scm} in the @var{master} branch in Guix
git git
@url{https://git.savannah.gnu.org/cgit/guix.git/tree/gnu/packages/commencement.scm}}. @url{https://git.savannah.gnu.org/cgit/guix.git/tree/gnu/packages/commencement.scm}}.
In its intiial form it is only available for x86-linux and armhf-linux. In its intiial form it is only available for x86-linux.
Currently, it goes like this: Currently, it goes like this:
@ -702,48 +715,48 @@ Currently, it goes like this:
gcc-mesboot (4.9.4) gcc-mesboot (4.9.4)
^ ^
| |
glibc-mesboot (2.16.0) (...)
^
|
gcc-mesboot1 (4.7.4)
^
|
binutils-mesboot (2.20.1a)
^
|
gcc-mesboot0 (2.95.3)
^
|
glibc-mesboot0 (2.2.5)
^ ^
| |
binutils-mesboot (2.20.1a), glibc-mesboot (2.2.5),
gcc-core-mesboot (2.95.3) gcc-core-mesboot (2.95.3)
^ ^
| |
make-mesboot0, diffutils-mesboot, binutils-mesboot0 (2.20.1a) patch-mesboot (2.5.9)
^ ^
| |
tcc-boot bootstrappable-tcc (0.9.26+31 patches)
^ ^
| |
tcc-boot0 gnu-make-mesboot0 (3.80)
^ ^
| |
mes-boot gzip-mesboot (1.2.4)
^
|
tcc-boot (0.9.27)
^
|
mes-boot (0.24.2)
^
|
stage0-posix (hex0..M2-Planet)
^ ^
| |
*
gash-boot, gash-utils-boot gash-boot, gash-utils-boot
^ ^
| |
* *
bootstrap-mescc-tools, bootstrap-mes (~12 MiB) bootstrap-seeds (357-bytes for x86)
bootstrap-guile (~48 MiB) ~~~
[bootstrap-guile-2.0.9 driver (~25 MiB)]
@end verbatim @end verbatim
@c This graph is generated from wip-bootstrap, doing: @c This graph is generated from Guix master, doing:
@c guix graph --type=bag -e '(@@ (gnu packages commencement) gcc-core-mesboot0)' > doc/images/gcc-mesboot-graph.dot @c guix graph --type=bag -e '(@@ (gnu packages commencement) gcc-core-mesboot0)' \
@c | sed -re 's,((bootstrap-seeds|guile-bootstrap).*shape =) box,\1 ellipse,' \
@c > doc/images/gcc-mesboot-graph.dot
@c dot -T png doc/images/gcc-mesboot-graph.dot > doc/images/gcc-mesboot-graph.png @c dot -T png doc/images/gcc-mesboot-graph.dot > doc/images/gcc-mesboot-graph.png
Here's a generated dependency diagram to for the initial bootstrap gcc Here's a generated dependency diagram to for the initial bootstrap gcc
@ -751,12 +764,6 @@ that builds the rest of Guix.
@image{images/gcc-mesboot-graph,6in,,Reference graph of the gcc-core-mesboot0} @image{images/gcc-mesboot-graph,6in,,Reference graph of the gcc-core-mesboot0}
Work is ongoing to remove these binary seeds that were intentionally
injected by our own doing as temporary shortcut
@example
bootstrap-mescc-tools (seed), bootstrap-mes (seed)
@end example
For now, this additional non-bootstrapped dependencies (i.e., binary For now, this additional non-bootstrapped dependencies (i.e., binary
seeds) are taken for granted seeds) are taken for granted
@ -764,7 +771,53 @@ seeds) are taken for granted
bootstrap-guile bootstrap-guile
@end example @end example
Our next priority is to eleminate these one by one. Our next priority is to eleminate the dependency on
@code{bootstrap-guile} for @code{Gash} and @code{Gash-Utils}, and thus
for @code{Mes}.
@menu
* Full Source Bootstrap Deployments::
@end menu
@node Full Source Bootstrap Deployments
@subsection Full Source Bootstrap Deployments
@table @code
@item GNU Guix
Reference implementation of the Full Source Bootstrap for
@code{i686-linux} and @code{x86_64-linux}
@url{https://guix.gnu.org/en/blog/2023/the-full-source-bootstrap-building-from-source-all-the-way-down/,Guix FSB, building from source all the way down}.
@item Bitcoin Core
The first application of Guix' Reduced Binary Seed Bootstrap was done in
bitcoin core
@url{https://github.com/bitcoin/bitcoin/blob/master/contrib/guix/README.md,
Bootstrappable Bitcoin Core Builds}.
@item Live Bootstrap
The @url{https://github.com/fosslinux/live-bootstrap/,live-bootstrap}
has no dependency on @code{guile-bootstrap}, and removes and bootstraps
generated autotools and flex/bison files.
@item Freedesktop SDK
The Freedesktop SDK used to have an informal dependency on its previous
version being installed in binary from. This dependency was mostly
broken in
@url{https://gitlab.com/freedesktop-sdk/freedesktop-sdk/-/merge_requests/11557,
bootstrap freedesktop binary seed}, they still have a dependency on
binary Rust.
@item Full Source Bootstrap from Git
Building on the Live Bootstrap, but building most everything from Git
@url{https://github.com/schierlm/FullSourceBootstrapFromGit, FSB from Git}.
@item NixOS
Implementation of a FSB has started
@url{https://github.com/NixOS/nixpkgs/pull/227914,NixOS 256b bootstrap
(in progress)}.
@end table
@node Invoking mes @node Invoking mes
@section Invoking mes @section Invoking mes