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Re: [RFC] Reliable compiler specification setting (at least include/lib dirs) through the process environment
- From: ludo at gnu dot org (Ludovic Courtès)
- To: Shea Levy <shea at shealevy dot com>
- Cc: nix-dev at lists dot science dot uu dot nl, gcc at gcc dot gnu dot org, cfe-dev at lists dot llvm dot org, Guix-devel <guix-devel at gnu dot org>
- Date: Tue, 18 Oct 2016 14:59:15 +0200
- Subject: Re: [RFC] Reliable compiler specification setting (at least include/lib dirs) through the process environment
- Authentication-results: sourceware.org; auth=none
- References: <87r37gp8dt.fsf@shlevy-laptop.i-did-not-set--mail-host-address--so-tickle-me> <87vawqm2je.fsf@gnu.org> <87eg3d7vle.fsf@shlevy-laptop.i-did-not-set--mail-host-address--so-tickle-me>
Hi!
Shea Levy <shea@shealevy.com> skribis:
> Your patches look good! My biggest concern is how the ld wrapper behaves
> in the presence of response files. Have you tested that?
It surely doesn’t (yet?).
However, GCC does not pass “@file” arguments when it invokes ‘ld’, and
the bug report you mentioned¹ talks about GHC invoking ‘gcc’, not ‘ld’,
so I guess it’s fine to ignore response files in the ld wrapper.
Ludo’.
¹ https://github.com/NixOS/nixpkgs/commit/a421e7bd4a28c69bded8b17888325e31554f61a1