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From: "Michał Górny" <mgorny@gentoo.org>
To: gentoo-dev@lists.gentoo.org
Cc: hasufell@gentoo.org, multilib@gentoo.org,
	"Mike Frysinger (vapier)" <vapier@gentoo.org>,
	toolchain@gentoo.org, embedded@gentoo.org
Subject: Re: [gentoo-dev] crossdev and multilib interference
Date: Thu, 13 Mar 2014 09:55:02 +0100	[thread overview]
Message-ID: <20140313095502.73dc080b@pomiot.lan> (raw)
In-Reply-To: <53208139.2040509@gentoo.org>

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Dnia 2014-03-12, o godz. 15:46:01
hasufell <hasufell@gentoo.org> napisał(a):

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA512
> 
> We have a problem where the crossdev pkg-config wrapper scripts
> interfere with multilib.
> 
> crossdev for example sets in their pkg-config wrappers:
> 
> PKG_CONFIG_LIBDIR="${SYSROOT}/usr/lib/pkgconfig:${SYSROOT}/usr/share/pkgconfig"
> 
> Now, SYSROOT is chosen from multiple conditions. When emerging a
> package, that happens to be "/" and thus results in:
>   "//usr/lib/pkgconfig://usr/share/pkgconfig"
> 
> Build systems like autotools will pick the crossdev provided
> "i686-pc-linux-gnu-pkg-config" for the 32bit ABI which will in turn
> override the eclass-exported PKG_CONFIG_LIBDIR and now effectively
> find the pkg-config files in /usr/lib64/...
> 
> This is not a problem most of the time if the package just wants to
> get the libs to link against.
> 
> However, every package that tries to access variables that are
> different between /usr/lib32/pkgconfig/foo.pc and
> /usr/lib64/pkgconfig/foo.pc like "libdir" will fail or produce
> unexpected results.
> 
> That already happens for
> x11-libs/libva-vdpau-driver
> x11-libs/libva (https://bugs.gentoo.org/show_bug.cgi?id=500338)
> 
> and there are probably more.

Another possible workaround is to make pkgconfig true-multilib. Then it
would own i686-pc-linux-gnu-pkgconfig, and that executable would work
correctly. More than that, we could work on killing the PKG_CONFIG_PATH
hack.

-- 
Best regards,
Michał Górny

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  parent reply	other threads:[~2014-03-13  8:55 UTC|newest]

Thread overview: 85+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-12 15:46 [gentoo-dev] crossdev and multilib interference hasufell
2014-03-12 16:06 ` Alexandre Rostovtsev
2014-03-12 18:56   ` Alexis Ballier
2014-03-16 11:50   ` Greg Turner
2014-03-26  6:07     ` Mike Frysinger
2014-03-26 12:25       ` [gentoo-dev] " Steven J. Long
2014-03-26 16:12         ` Mike Frysinger
2014-03-26 16:23           ` Ian Stakenvicius
2014-03-27  2:41             ` Mike Frysinger
2014-03-27  4:41               ` Alexandre Rostovtsev
2014-03-27  6:07                 ` Mike Frysinger
2014-03-27  6:31                   ` Alexandre Rostovtsev
2014-03-27  6:41                     ` Mike Frysinger
2014-03-27  6:51                       ` Michał Górny
2014-03-27  7:23                         ` Mike Frysinger
2014-03-27  6:58                       ` Samuli Suominen
2014-03-27  8:41           ` [gentoo-dev] " Steven J. Long
2014-03-28  6:36             ` Mike Frysinger
2014-03-30  9:53               ` [gentoo-dev] " Steven J. Long
2014-06-15 20:35                 ` hasufell
2014-06-15 20:43                   ` Chí-Thanh Christopher Nguyễn
2014-06-16 13:37                     ` hasufell
2014-06-16 18:42                       ` Steev Klimaszewski
2014-06-16 19:31                         ` hasufell
2014-06-16 19:42                           ` Jeroen Roovers
2014-06-16 19:47                             ` hasufell
2014-06-16 20:05                               ` Joshua Kinard
2014-06-16 20:24                                 ` hasufell
2014-06-16 20:59                                   ` Joshua Kinard
2014-06-16 22:10                                     ` hasufell
2014-06-16 23:38                                       ` Joshua Kinard
2014-06-17  1:47                                         ` hasufell
2014-06-17  2:17                                           ` Joshua Kinard
2014-06-17 12:30                                             ` hasufell
2014-06-17 12:49                                               ` Rich Freeman
2014-06-17 13:53                                                 ` hasufell
2014-06-17 14:17                                                 ` Joshua Kinard
2014-06-17 14:56                                                   ` Alexandre Rostovtsev
2014-06-17 15:10                                                     ` Michał Górny
2014-06-18 15:24                                                       ` Peter Stuge
2014-06-19  7:58                                                         ` Michał Górny
2014-06-17 15:20                                                     ` Joshua Kinard
2014-06-18  5:08                                                       ` Alexandre Rostovtsev
2014-06-18  6:24                                                         ` Joshua Kinard
2014-06-18 14:18                                                           ` Ian Stakenvicius
2014-06-19 21:20                                                     ` [gentoo-dev] " Steven J. Long
2014-06-20 20:10                                                       ` [gentoo-dev] " Ian Stakenvicius
2014-06-21 10:31                                                         ` Greg Turner
2014-06-21 20:47                                                           ` Michał Górny
2014-08-01  9:05                                                         ` Steven J. Long
2014-08-01 14:36                                                           ` Ian Stakenvicius
2014-08-01 18:17                                                             ` [gentoo-dev] " Steven J. Long
2014-06-18  4:29                                                   ` [gentoo-dev] " Ryan Hill
2014-06-17 14:04                                               ` [gentoo-dev] Re: " Joshua Kinard
2014-06-17 14:38                                                 ` hasufell
2014-06-17 15:02                                                   ` Joshua Kinard
2014-06-17 15:18                                                     ` hasufell
2014-06-17 15:37                                                     ` hasufell
2014-06-17 12:48                                             ` hasufell
2014-06-17 14:31                                               ` Joshua Kinard
2014-06-17 13:25                                         ` Ian Stakenvicius
2014-06-17 14:22                                           ` Michał Górny
2014-06-17 14:34                                             ` Joshua Kinard
2014-06-16 23:25                                   ` Patrick Lauer
2014-06-16 20:27                                 ` Ian Stakenvicius
2014-06-16 21:42                                   ` [gentoo-dev] " Jeroen Roovers
2014-06-17  0:03                                     ` Joshua Kinard
2014-06-16 20:25                         ` [gentoo-dev] Re: Re: " hasufell
2014-06-16  2:24                   ` [gentoo-dev] " Ryan Hill
2014-06-16 13:27                     ` hasufell
2014-06-17  4:52                       ` Ryan Hill
2014-06-17 12:29                         ` hasufell
2014-03-29  1:21       ` [gentoo-dev] " Maciej Mrozowski
2014-03-16 12:01   ` Greg Turner
2014-03-13  8:55 ` Michał Górny [this message]
2014-03-13 12:20   ` Alexandre Rostovtsev
2014-03-26  5:17   ` Mike Frysinger
2014-03-27  6:13     ` Mike Frysinger
2014-03-27  6:51       ` Michał Górny
2014-03-27  7:18         ` Mike Frysinger
2014-03-27  9:10           ` Michał Górny
2014-03-27 14:23             ` Mike Frysinger
2014-03-27 14:31               ` Michał Górny
2014-03-28  6:33                 ` Mike Frysinger
2014-03-29 21:39                   ` Michał Górny

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