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Bug#829709: marked as done (libxcb-randr0-dev: Should use Requires.private in pkg-config file)

Your message dated Mon, 1 Feb 2021 20:13:06 +0100
with message-id <YBhSwvjJpszk0OPH@jcristau-z4>
and subject line Re: Bug#829709: libxcb-randr0-dev: Should use Requires.private in pkg-config file
has caused the Debian Bug report #829709,
regarding libxcb-randr0-dev: Should use Requires.private in pkg-config file
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
829709: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=829709
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: libxcb-randr0-dev
Version: 1.11.1-1
Severity: normal

The pkg-config file for xcb-randr contains

  Requires: xcb xcb-render

which in turn results in

  $ pkg-config --libs xcb-randr
  -lxcb-randr -lxcb-render -lxcb

Applications using xcb-randr don't need to link against
xcb-render unless they're using some of xcb-render's symbols;
the fact that xcb-randr itself uses xcb-render internally is
irrelevant to the application, and in fact

  1) dpkg-shlibdeps will raise a warning about this during
     package build

  2) passing --as-needed to the linker will strip the direct
     dependency on xcb-render from the binary

Some of xcb-randr's functions use types defined by xcb-render
as arguments, but that again doesn't create a requirement for
the application to link against xcb-render, it just means it
will have to include the appropriate headers.

The pkg-config file should be changed to look like

  Requires: xcb
  Requires.private: xcb-render

Well, xcb should be moved to Requires.private as well, and
the same should be done for all xcb-* pkg-config files. But
applications linking against any of the xcb-* libraries are
pretty much guaranteed to link agains xcb as well, so it's
not as critical. But it should still be done :)


-- System Information:
Debian Release: stretch/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.5.0-2-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages libxcb-randr0-dev depends on:
ii  libxcb-randr0       1.11.1-1
ii  libxcb-render0-dev  1.11.1-1
ii  libxcb1-dev         1.11.1-1

libxcb-randr0-dev recommends no packages.

libxcb-randr0-dev suggests no packages.

-- no debconf information

-- 
Andrea Bolognani <eof@kiyuko.org>
Resistance is futile, you will be garbage collected.

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--- End Message ---
--- Begin Message --- 
Version: 1.12-1

On Sun, Sep 30, 2018 at 10:19:15PM +0200, Andrea Bolognani wrote:
> Looks like the issue was addressed at some point during the past
> two years:
> 
>   $ grep xcb-render /usr/lib/x86_64-linux-gnu/pkgconfig/xcb-randr.pc
>   Requires.private: xcb xcb-render
>   $
> 
> And accordingly:
> 
>   $ pkg-config --libs xcb-randr
>   -lxcb-randr
>   $
> 
> I believe the bug can be closed now.
> 
Indeed.

Cheers,
Julien

--- End Message ---
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