[PATCH] D104831: [clang] Add x86_64-redhat-linux-gnu as a platform triplet

Thu Jun 24 09:24:57 PDT 2021

hoy added a comment.

In D104831#2837712 <https://reviews.llvm.org/D104831#2837712>, @MaskRay wrote:

>> Adding the platform tripplet x86_64-redhat-linux-gnu the while list of supported x86_64 triplets so that it can be used with the --gcc-toolchain option to bypass this process and force-pick a given gcc install.
>
> Did you set `--target=x86_64-redhat-linux-gnu`? With that I don't think you need another entry in `X86_64Triples`.
>
> `X86_64Triples` and its friends are quite clumsy and many entries are not actually needed. We should shrink the lists.
>
> For https://bugzilla.redhat.com/show_bug.cgi?id=1824365 I think the right fix is to configure clang with x86_64-redhat-linux-gnu as the default triple.

Explicitly specifying target or configure the default build target would work. But I thought  the triple vector being updated is designed for automatic searching and minimizing configure changes across platforms. Is it not like that?

In D104831#2837795 <https://reviews.llvm.org/D104831#2837795>, @tstellar wrote:

> I'm curious, what kind of system are you running on where you need to use --gcc-toolchain x86_64-redhat-linux-gnu is required.

One of our platforms is CentOS 7.

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D104831/new/

https://reviews.llvm.org/D104831