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Re: Weird behaviour about system types
From: |
Sébastien Hinderer |
Subject: |
Re: Weird behaviour about system types |
Date: |
Fri, 5 Feb 2021 08:55:28 +0100 |
Hello Nick, many thanks for your response!
Nick Bowler (2021/02/04 14:54 -0500):
> Hi Sébastien,
>
> The purpose of canonicalization is not to find the toolchain. The user
> specifies the actual name of the toolchain via the command-line
> options.
Which options is it that you have in mind to specify a toolchain?
> Since your toolchain is installed with a non-canonical prefix if the
> canonicalized name was used configure would not find the toolchain!
In fact, it seems it's the _alias variants of variables which is used to
find the toolchain. See the line I mentionned yesterday:
test -n "$host_alias" && ac_tool_prefix=$host_alias-
and which has been generated.
> The reason to use the canonicalized names is for the scenario when you
> want to write conditional code based on $host_os, $host_cpu, etc.
>
> If you are not writing code based on these split-out variables, it is
> probably not needed to use AC_CANONICAL_xxx macros.
Yes okay, thanks. We do have such code.
Best wishes,
Sébastien.
- Weird behaviour about system types, Sébastien Hinderer, 2021/02/04
- Re: Weird behaviour about system types, Zack Weinberg, 2021/02/04
- Re: Weird behaviour about system types, Nick Bowler, 2021/02/04
- Re: Weird behaviour about system types, Sébastien Hinderer, 2021/02/04
- Re: Weird behaviour about system types, Nick Bowler, 2021/02/04
- Re: Weird behaviour about system types,
Sébastien Hinderer <=
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- Re: AC_PROG_CC: how to distinguish clnag from gcc?, Sébastien Hinderer, 2021/02/08
- Re: AC_PROG_CC: how to distinguish clnag from gcc?, Russ Allbery, 2021/02/08