Re: [ptxdist] OSELAS.toolchain - GCC snapshots gone

[Roland Hieber <rhi@pengutronix.de>]

On Sat, May 01, 2021 at 04:40:14PM +0200, Ariel Garcia wrote:
> Hello,
> 
> trying to reproduce a somewhat older setup using OSELAS 2019.09.1
> I noticed that it fails due to:
> 
> -----
> Could not download package
> URL: https://ftp.gnu.org/gnu/gcc/gcc-9-20191130/gcc-9-20191130.tar.xz http://
> ftp.uni-kl.de/pub/gnu/gcc/gcc-9-20191130/gcc-9-20191130.tar.xz https://
> sourceware.org/pub/gcc/snapshots/9-20191130/gcc-9-20191130.tar.xz https://
> sourceware.org/pub/gcc/releases/gcc-9-20191130/gcc-9-20191130.tar.xz http://
> launchpad.net/gcc-linaro/4.8/9-20191130/+download/gcc-9-20191130.tar.xz 
> http://launchpad.net/gcc-linaro/4.7/9-20191130/+download/gcc-9-20191130.tar.xz 
> http://launchpad.net/gcc-linaro/4.6/9-20191130/+download/gcc-9-20191130.tar.xz
> -----
> 
> GNU seems to have cleaned up, and mirrors followed. Also the copy in
> 	https://www.pengutronix.de/software/ptxdist/temporary-src/
> is gone.

As a quick fix, I've put the copy from our local source archive on the
temporary-src mirror for now. Try again.

> Shouldn't OSELAS always use real releases (GCC and other) instead of (daily?) 
> snapshots?

I think gcc-9-20191130 included some fixes to make it build on certain
platforms, so Michael picked that version.

 - Roland

> I can't "just update" to a newer OSELAS version, since i rely on reproducible 
> builds for performing incremental updates. A change in the compiler would 
> imply that all binaries would change...
> 
> Any suggestion on how to rely on OSELAS / PTXdist versions to remain 
> "buildable" in the future?
> 
> Also, any hint on where to find the old snapshot?
> (trying "git archive" from the GCC repo and different commits in the 
> releases/gcc-9 branch, but i was unable to find the same md5 sum given by 
> OSELAS 2019.09.1)
> 
> Thanks a lot,
> Ariel

-- 
Roland Hieber, Pengutronix e.K.          | r.hieber@pengutronix.de     |
Steuerwalder Str. 21                     | https://www.pengutronix.de/ |
31137 Hildesheim, Germany                | Phone: +49-5121-206917-0    |
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