Location to store Rust binaries
jonesc at hep.phy.cam.ac.uk
Thu Dec 22 16:28:13 UTC 2022
> On 22 Dec 2022, at 1:28 pm, mcalhoun at macports.org wrote:
> Please forgive me if I am misunderstanding your question.
> As Ken pointed out, the rust-bootstrap binaries are generated just fine.
> I suppose it might be possible to include https://packages.macports.org/ in the `master_sites` of the Rust port.
> I am afraid I would have to thing about that a little.
My question is simply I am not getting what the reason is why you cannot make rust depend on rust-bootstrap when it needs to, on older systems, as a standard port dependency. Does *all* older systems have to use the binaries built on 10.9, or can rust-bootstrap be built fine as a port in 10.8, 10.7 etc. as well ?
Even if the answer to that last question is yes, only the 10.9 binaries can be used, I still feel like something custom could be done to allow the use of the standard binary tarball port distribution, so yes packages.macports.org, to distribute the 10.9 binaries of rust-bootstrap to all builds that need it. Basically, I see no need to use any other binary distribution infrastructure than the one we are already using for the regular binary tarballs.
>>> On Dec 22, 2022, at 2:30 AM, Chris Jones <jonesc at hep.phy.cam.ac.uk> wrote:
>>>> On 22 Dec 2022, at 4:02 am, mcalhoun at macports.org wrote:
>>> As many of you know, the Rust compiler is self-hosting, so Rust is required to build Rust.
>>> The problem is that the Rust binaries provided by upstream only work on macOS 10.9 and above.
>>> To get around this, there is a rust-bootstrap port that build Rust binaries on 10.9+ intended to build Rust on previous macOS version.
>>> Currently, these binaries are stored on using my personal GitHub account.
>>> So the entire upgrade process is essentially:
>>> 1) Update the version in rust-bootstrap.
>>> 2) Build Rust binaries on a 10.9 VM.
>>> 3) Upload Rust binaries to GitHub account.
>>> 4) On older machines, use MacPorts Rust binaries to build Rust.
>>> On newer machines, us the upstream provides binaries to build Rust.
>>> This is far from ideal, but it has allowed us to get Rust working back to 10.5 (both i386 and x86_64).
>>> This entire procedure may be modified, and there are a few suggestions on the mailing list
>>> However, until consensus is reached about major changes, it would be nice to make some incremental improvements.
>>> The easiest change: does anyone know of a better place to store the MacPorts generated binaries?
>>> More challenging: can anyone think of a way to automate the process of building the MacPorts Rust binaries after rust-bootstrap is update?
>> I am sure I am missing something but if the bootstrap binaries are generated via a port, rust-bootstrap, why cannot the usual mechanism for distributing the port as a binary not be used ?
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