From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: [PATCH] gnu: rustc: Add LIBRARY_PATH search path.
Date: Sun, 29 Jan 2017 00:34:52 +0100
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To: Ben Woodcroft <b.woodcroft@uq.edu.au>
Cc: guix-devel@gnu.org

Hi Ben,

Ben Woodcroft <b.woodcroft@uq.edu.au> skribis:

> On 28/01/17 09:22, Ludovic Court=C3=A8s wrote:
>> Marius Bakke <mbakke@fastmail.com> skribis:
>>
>>> Hi Ben,
>>>
>>> Ben Woodcroft <donttrustben@gmail.com> writes:
>>>
>>>> * gnu/packages/rust.scm (rustc)[native-search-paths]: New field.
>>> [...]
>>>
>>>> +    (native-search-paths
>>>> +     (list (search-path-specification
>>>> +            (variable "LIBRARY_PATH")
>>>> +            (files '("lib" "lib64")))))
>>> This seems odd. This search path is for glibc, no?
>> It=E2=80=99s honored by GCC (not to be confused with LD_LIBRARY_PATH.)
>>
>> Does rustc invoke gcc, or does it just happen to use a same-named
>> variable?
> It uses gcc.

In that case, you can copy GCC=E2=80=99s search paths wholesale:

  ;; rustc invokes gcc, so we need to set its search paths accordingly.
  (native-search-paths (package-native-search-paths gcc))

HTH!

Ludo=E2=80=99.