2021 m. sausio 6 d., trečiadienis 11:32:48 GMT Ludovic Courtès rašė:
Hi!
Jan Nieuwenhuizen <janneke@xxxxxxx> skribis:
I have reset Guix' wip-full-source-bootstrap branch with a first working
implementation of the, well, "Full Source Bootstrap" for x86-linux (and
x86_64-linux). This bootstrap is rooted in the 357-byte hex0-seed from
the Stage0 project (https://savannah.gnu.org/projects/stage0):
$ ./pre-inst-env guix build hello --verbosity=1
[..]
/gnu/store/w61gf93yn2bxwyc6d1xp4y9lavvw1l3d-hello-2.10
17:58:54 janneke@dundal:~/src/guix/wip-fsb [env]
This is amazing! Incredible. Thumbs up!
(BTW, you recently worked on the secret service¹, and now the
FSB—coincidence?)
¹
https://git.savannah.gnu.org/cgit/guix.git/commit?id=ec32d4f291b3cc039a99f8090b6c2b2444be5a83
When you look at the bottom of the graph (see attached), you will notice
"%bootstrap-guile": the driver that we use for the Guix build and also
for "bootar", "gash", and "gash-utils". This "%bootstrap-guile" is not
used as a seed in anything that is built, "%bootstrap-guile", "bootar",
"gash", and "gash-utils" could be replaced with any other driver.
Longer-term, could bootar, Gash, etc. run on Mes? Would that help?
Two new packages are added: "bootstrap-seeds", which contains the
hex0-seed binary
(https://github.com/oriansj/bootstrap-seeds/blob/master/POSIX/x86/hex0-seed)
with ASCII-equivalent
(https://github.com/oriansj/bootstrap-seeds/blob/master/POSIX/x86/hex0_x86.hex0),
and "m2-planet-boot" which, starting from hex0, via hex1, M0, hex2 and
M1, bootstraps the M2-Planet transpiler. M2 is a language that closely
resembles a subset of C.
The breakthrough is that this M2-Planet can now compile a version of GNU
Mes, as yet unreleased: the wip-m2 branch. This removes the remaining
binary seeds: %bootstrap-mescc-tools and %bootstrap-mes, together with
the "%bootstrap-mes-rewired" hack.
Woow. I’m willing to take a closer look at all this, this is
impressive!
Apart from a review there is still some work before it can be
integrated, in short (from the top commit message):
XXX TODO:
* wip-full-source-bootstrap
- release mes-0.24, update
- possibly release m2-planet-1.8.0, update
- rebase wip-full-source-bootstrap onto core-updates
- integrate
All this should be piece of cake compared to what you’ve gone through.
;-) But it does mean long rebuild cycles, which I guess can be tiring.
* wip-arm-bootstrap
- finish; currently stuck on gawk-mesboot0
- release mes-0.23
- devise strategy for integrating wip-full-source-bootstrap and
wip-arm-bootstrap
Ah, that’s the second big challenge!
Congratulations to you and everyone involved for going this far!
You made it!
Ludo’.
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