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Re: `guix install protobuf:static` headers?

From: Marius Bakke
Subject: Re: `guix install protobuf:static` headers?
Date: Fri, 15 Nov 2019 19:50:31 +0100
User-agent: Notmuch/0.29.1 ( Emacs/26.3 (x86_64-pc-linux-gnu)

zimoun <address@hidden> writes:

> However, is it expected that LIBRARY_PATH is not set?
> --8<---------------cut here---------------start------------->8---
>  $ cat /tmp/proto/etc/profile
> # Source this file to define all the relevant environment variables in Bash
> # for this profile.  You may want to define the 'GUIX_PROFILE' environment
> # variable to point to the "visible" name of the profile, like this:
> #
> #  GUIX_PROFILE=/path/to/profile ; \
> #  source /path/to/profile/etc/profile
> #
> # When GUIX_PROFILE is undefined, the various environment variables refer
> # to this specific profile generation.
> export 
> PATH="${GUIX_PROFILE:-/gnu/store/m26p44mxy4k79gzy18nq2nivygrdmkm5-profile}/bin${PATH:+:}$PATH"
> --8<---------------cut here---------------end--------------->8---

LIBRARY_PATH is only set if you include 'gcc' or 'gcc-toolchain' in the
profile, and is generally only needed if you want to compile something.

>> I think there were proposals to start using a 'dev' output for headers
>> and such, but don't know if it got anywhere.
> Moreover, the static libraries are also installed with simply
> "protobuf@2.6.0:out".

I can't find a protobuf@2.6.0 package, but at least for 2.6.1 there are
no .a files in the default output.

> I have tried to adapt the definition of protobuf adding a "lib" flag.
> But it fails with "cycle detected in the references of". Roptat
> explained on IRC how to track the issue and before investigating some
> time, I would like to be sure to well understand. :-)

The cyclic reference means something in the lib output references "out".
To find out which, try grepping for the store hash of the "out" output.


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