Date: Fri, 1 Nov 2013 09:57:57 +0100 From: Tijl Coosemans <tijl@FreeBSD.org> To: Kevin Oberman <rkoberman@gmail.com> Cc: sbz@FreeBSD.org, FreeBSD Ports ML <freebsd-ports@freebsd.org> Subject: Re: Problems dealing with ports use of pkgconf Message-ID: <20131101095757.3f1a3913@kalimero.tijl.coosemans.org> In-Reply-To: <CAN6yY1t0za5GTchFy%2B%2BtNjMmnzF4edBYUFoBmT1kmi4m1=aKFg@mail.gmail.com> References: <CAN6yY1t0za5GTchFy%2B%2BtNjMmnzF4edBYUFoBmT1kmi4m1=aKFg@mail.gmail.com>
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On Wed, 30 Oct 2013 11:46:30 -0700 Kevin Oberman wrote: > I have run into a dilemma in regards to the use of pkgconf in ports. Here > is what has bitten me: > To allow sftp to get files, multimedia/vlc uses libssh2. libssh2, in turn, > uses openssl or the GNU crypto library. > If i have installed securith/openssl, all is well, but I don't want of need > the security/openssl port. > If I have not installed openssl from ports, vlc fails! Here is why: > > libssh2 creates a .pc file to allow other packages to know whether it uses > openssl or libgcrypt. this is a nice thing, but it makes the common > assumption that openssl is only there if the package has been installed. I > believe that is is the case for Linux. Not so for FreeBSD. vlc uses > pkgconf to check on whether all required libraries are installed for > libssh2. I finds that libssh2 requires libssl: > Requires.private: libssl,libcrypto > It then checks to see if these are installed. Since libssl is not > installed, it bails on the error. (I believe that it shoudl be "Required: > rather than Requires.private:, but that has no impact on the problem. > > Since FreeBSD ports have already checked the dependencies before building a > port, I think such checks should be removed from ports, but I'm not > familiar enough with the real-world implications of this to know if it is > the right way to go. If it is, I'll can submit a patch for vlc. I suspect, > after reading the developers comments, that libssh2 developers will not > want to remove their recent changes in this area. This line: Requires.private: libssl,libcrypto Would have to be changed into: Libs.private: -lssl -lcrypto See http://people.freedesktop.org/~dbn/pkg-config-guide.html (Maintainer CCed)
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