Date: Thu, 7 Aug 2014 18:57:53 +0200 From: Tijl Coosemans <tijl@FreeBSD.org> To: Vsevolod Stakhov <vsevolod@FreeBSD.org> Cc: svn-ports-head@freebsd.org, svn-ports-all@freebsd.org, Matthias Andree <matthias.andree@gmx.de>, ports-committers@freebsd.org Subject: Re: svn commit: r364287 - head/ports-mgmt/pkg-devel Message-ID: <20140807185753.0a5c577f@kalimero.tijl.coosemans.org> In-Reply-To: <53E3AD09.2050000@FreeBSD.org> References: <53e39939.55bc.4ca5432c@svn.freebsd.org> <20140807172841.58633e63@kalimero.tijl.coosemans.org> <53E3A468.5050603@FreeBSD.org> <53E3AC0C.5020904@gmx.de> <53E3AD09.2050000@FreeBSD.org>
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On Thu, 07 Aug 2014 17:44:57 +0100 Vsevolod Stakhov wrote: > On 07/08/14 17:40, Matthias Andree wrote: >> Am 07.08.2014 um 18:08 schrieb Vsevolod Stakhov: >>> Due to mainly [2] there are a lot of broken deps, for example, libxml2 >>> provides libxml2.so.2.12, whilst all dependant ports requires >>> libxml2.so.2. Consequently, some weird packages, such as wine-i386-devel >>> are installed, since it pretends to provide libxml2.so.2 and due to [3] >>> and [1] wine is treated as a provide candidate. >> >> The library's SONAME should be the canonical name because that gets >> recorded in another library's or executable's NEEDED tag, and pkg might >> be able to check at package creation, and again before install, if a >> file installing a library also installs a file that matches the SONAME. > > That is how it works for shared lib requires. But that is not how it > works for shared lib provides. And this ambiguity is the source of [3]. Matthias is talking about the SONAME Elf field. For libxml2.so.2.9.1 it gives: % objdump -p /usr/local/lib/libxml2.so.2.9.1 | grep SONAME SONAME libxml2.so.2 This is what is recorded in the NEEDED field of programs/libraries that depend on libxml2 and can be used for shared lib provides.
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