From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?UTF-8?B?5a6L5paH5q2m?= <iyzsong@gmail.com>
Subject: Re: missing input and more
Date: Thu, 5 Feb 2015 17:48:07 +0800
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To: sleep_walker@suse.cz
Cc: Guix-devel <guix-devel@gnu.org>

2015-02-05 15:05 GMT+08:00  <sleep_walker@suse.cz>:
> Hi Guix,
>
> during my packaging attempts of connman (which looks good so far) I
> found that gnutls is missing "install-time" dependency - zlib.
>
> 1] ldd shows run-time dependency:
> $ ldd
> /gnu/store/0mfgwxgqyhlvi5xyi1j2lbr3ygczsdyp-gnutls-3.2.21/lib/libgnutls.so |
> grep libz
>        libz.so.1 =>
> /gnu/store/x8cg3irwf8y2mkr88bqmsqhadi71xf6s-zlib-1.2.7/lib/libz.so.1
> (0x00007fe4fac90000)
>
> 2] pkg-config rants about not filled dependencies when building against
> gnutls
>
> In
> /gnu/store/0mfgwxgqyhlvi5xyi1j2lbr3ygczsdyp-gnutls-3.2.21/lib/pkgconfig/gnutls.pc
> you can see
>
> Libs.private: -lz        -lgmp
> Requires.private: nettle, hogweed, libtasn1, zlib
>
>
> That is something which should be solved by "propagate-input"?
Yes, zlib should be a propagate-input of gnutls.
>
> Both dependency requirements types are quite easy to detect. I'm not
> sure if they shouldn't be done in package build
> (maintaining mapping for pkg-config *.pc --> package)
>
> or we should just invest time into package validation afterwards.
>
> WDYT?
>
> S_W