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config.sub: Accept $cpu-$vendor-none-{coff,elf}

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These are not real OSes, they are object file formats. There is a
longstanding tradition of using them for embedded/freestanding
programming, so it makes sense to parse them with `kernel=none`.

(I have a WIP future patch that systematizes parsing these non-OSes a
bit more. That also opens the door to parsing a 5th component as LLVM
can do.)

This change unblocks an issue we've been having with Nixpkgs (see
https://github.com/NixOS/nixpkgs/issues/165836 for the longer version).

* config.sub (none-coff*, none-elf*): Recognize.
* testsuite/config-sub.data (arm-unknown-none-coff,
arm-unknown-none-elf, riscv64-company-none-elf): New tests.
* doc/config.sub.1: Regenerate.
This commit is contained in:
John Ericson
2023-07-04 18:52:51 -04:00
committed by Dmitry V. Levin
parent 91f6a7f616
commit 998ba14143
3 changed files with 9 additions and 2 deletions
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doc/config.sub.1
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.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.48.5.
.TH CONFIG.SUB "1" "July 2023" "GNU config.sub (2023-06-26)" "User Commands"
.TH CONFIG.SUB "1" "July 2023" "GNU config.sub (2023-07-04)" "User Commands"
.SH NAME
config.sub \- validate and canonicalize a configuration triplet
.SH SYNOPSIS