From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [216.168.135.169] (helo=starfish.geekisp.com) by linuxtogo.org with esmtp (Exim 4.69) (envelope-from ) id 1KdNqW-0003oj-Uf for openembedded-devel@openembedded.org; Wed, 10 Sep 2008 13:26:53 +0200 Received: (qmail 1573 invoked by uid 1003); 10 Sep 2008 11:24:14 -0000 Received: from localhost (HELO localhost.localdomain) (philip@opensdr.com@127.0.0.1) by mail.geekisp.com with SMTP; 10 Sep 2008 11:24:12 -0000 Message-ID: <48C7AE52.7080209@balister.org> Date: Wed, 10 Sep 2008 07:24:02 -0400 From: Philip Balister User-Agent: Thunderbird 2.0.0.14 (X11/20080501) MIME-Version: 1.0 To: openembedded-devel@lists.openembedded.org References: <48C72166.7030000@dls.net> In-Reply-To: Subject: Re: libusb and libusb-compat: conflict X-BeenThere: openembedded-devel@lists.openembedded.org X-Mailman-Version: 2.1.11 Precedence: list Reply-To: openembedded-devel@lists.openembedded.org List-Id: Using the OpenEmbedded metadata to build Distributions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Sep 2008 11:26:53 -0000 X-Groupsio-MsgNum: 5847 Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=sha1; boundary="------------ms060608000902030103030209" --------------ms060608000902030103030209 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Koen Kooi wrote: > Mike (mwester) wrote: >> There appears to be a conflict between libusb and libusb-compat -- both >> stage usr/lib/libusb.a. >> >> Many packages in OE use libusb-compat; some others use libusb. I can't >> say why this conflict hasn't come up before -- perhaps its a build order >> thing that has just popped up on my system -- but attempting to link >> openocd or dfu-util (which DEPEND on libusb) against the libusb.a in >> staging will fail, if it was libusb-compat that was staged overtop of >> libusb. >> >> I think step one would be to put a "CONFLICTS" line in each of libusb >> and libusb-compat's bb files -- but I suspect that will break a lot of >> builds. So I'll send an email out for comments and suggestions on how >> to handle this little problem. >> >> It would be good if people can check their tmpdirs to see if both libusb >> and libusb-compat are being built (libusb1 is fine - not the similarity >> in name). How big a problem is this? > > Some background: libusb1 is the rewrite of libusb which brings up > goodness as better performance and more powersaving, but its ABI is > incompatible with libusb. That is why the libusb people create > libusb-compat, it's a drop-in replacement for libusb. > > When I added it to OE I made sure the runtime situation worked and > changed all packages to libusb-compat. It seems I missed a few. > > It should be safe to change everything over to libusb-compat, unless > your favourite apps abuses private libusb API (as gnuradio does). > > And there's no such thing as CONFLICTS in OE, only RCONFLICTS. Is there an easy way to select between the two? Until I get time to go through the gnu radio code, I'm using a collection to keep the gnuradio stuff in a state where it builds. I would really like to get the gnuradio stuff working with libusb1, since I suspect it would benefit from the upgrade :) Philip > > regards, > > Koen > > > _______________________________________________ > Openembedded-devel mailing list > Openembedded-devel@lists.openembedded.org > http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-devel > --------------ms060608000902030103030209 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIJRTCCAv0w ggJmoAMCAQICEHW4VJIUQV0u11NnfLpF2IUwDQYJKoZIhvcNAQEFBQAwYjELMAkGA1UEBhMCWkEx JTAjBgNVBAoTHFRoYXd0ZSBDb25zdWx0aW5nIChQdHkpIEx0ZC4xLDAqBgNVBAMTI1RoYXd0ZSBQ ZXJzb25hbCBGcmVlbWFpbCBJc3N1aW5nIENBMB4XDTA4MDQxNDE5MTkzMVoXDTA5MDQxNDE5MTkz MVowYjERMA8GA1UEBBMIQmFsaXN0ZXIxDzANBgNVBCoTBlBoaWxpcDEYMBYGA1UEAxMPUGhpbGlw 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