bug#74217: Bootstrapping Zig with no Binary Blobs

[Efraim Flashner]

On Sun, Dec 01, 2024 at 09:32:01PM +0200, Motiejus Jakštys wrote:
> On Fri, Nov 29, 2024 at 2:25 PM Hilton Chain <hako@ultrarare.space> wrote:
> >
> > On Fri, 29 Nov 2024 04:53:57 +0800,
> > Motiejus Jakštys wrote:
> > >
> > > [1  <text/plain; UTF-8 (quoted-printable)>]
> > > On Thu, Nov 28, 2024 at 5:20 PM Hilton Chain <hako@ultrarare.space> wrote:
> > > > Thanks!  Then I'll keep abilists removed before we can reproduce one :)
> > >
> > > OK here it is for 0.11:
> > >
> > > 1. check out glibc-abi-tool 13576b1ea957882be7ff2c99f4cdc27454930219
> > > 2. rm -fr glibc/2.3{5,6,7,8}
> > > 3. apply the attached patch.
> > > 4. /path/to/zig-0.11/bin/zig run consolidate.zig
> > >
> > > ... which results in abilists
> > > 546e3c64b5c972b45c4c5c3e81fa1c73282db9377d57ae870d7abcb276f9605c.
> > >
> > > Motiejus
> > > [2 Backport-consolidate.zig-to-zig-0.11.0.patch <text/x-patch; US-ASCII 
> > > (base64)>]
> > > From 23135302904467aa2e814500af6327408c46f52e Mon Sep 17 00:00:00 2001
> > > From: =?UTF-8?q?Motiejus=20Jak=C5=A1tys?= <motiejus@jakstys.lt>
> > > Date: Thu, 28 Nov 2024 22:52:13 +0200
> > > Subject: [PATCH] Backport consolidate.zig to zig 0.11.0
> > >
> > > ---
> > >  consolidate.zig | 8 ++------
> > >  1 file changed, 2 insertions(+), 6 deletions(-)
> >
> > Thanks very much!  I have added abilists for 0.9 and 0.10 as well.
> 
> For the record, I have smoke-tested abilists on 0.9, 0.10, 0.11.0,
> 0.12.1 and 0.13. The test was as follows:
> 
> 1. create a "hello world" C program that uses printf.
> 2. /gnu/.../zig-VERSION/bin/zig cc -target x86_64-linux-gnu.2.28
> hello.c -o hello
> 3. readelf -Ws hello
> 4. observe line (3) has line "printf@GLIBC_2.2.5".
> 5. run `hello` on non-guix and observe expected output.

Thank you for sharing that syntax for targeting specific glibc versions.
I'm continuing to try to build zig-0.10.0-610 on riscv64. I've had more
luck with powerpc64le but it's not the most convenient thing with
passing build targets between my computer and berlin.

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Efraim Flashner   <efraim@flashner.co.il>   אפרים פלשנר
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