From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from eggs.gnu.org ([2001:4830:134:3::10]:41705)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <paolo.bonzini@gmail.com>) id 1VlMvJ-0002ZN-8w
	for qemu-devel@nongnu.org; Tue, 26 Nov 2013 12:59:53 -0500
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <paolo.bonzini@gmail.com>) id 1VlMv9-0005cZ-3x
	for qemu-devel@nongnu.org; Tue, 26 Nov 2013 12:59:45 -0500
Received: from mail-ea0-x234.google.com ([2a00:1450:4013:c01::234]:60239)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <paolo.bonzini@gmail.com>) id 1VlMv8-0005cJ-T9
	for qemu-devel@nongnu.org; Tue, 26 Nov 2013 12:59:35 -0500
Received: by mail-ea0-f180.google.com with SMTP id f15so3833032eak.39
	for <qemu-devel@nongnu.org>; Tue, 26 Nov 2013 09:59:34 -0800 (PST)
Sender: Paolo Bonzini <paolo.bonzini@gmail.com>
Message-ID: <5294E182.5000907@redhat.com>
Date: Tue, 26 Nov 2013 18:59:30 +0100
From: Paolo Bonzini <pbonzini@redhat.com>
MIME-Version: 1.0
References: <1212720896.288966.1385477539659.open-xchange@email.1und1.de>	<1385481464.10163.37.camel@nilsson.home.kraxel.org>
	<5294CFD3.30609@rdsoftware.de> <5294DA7B.3050500@rdsoftware.de>
In-Reply-To: <5294DA7B.3050500@rdsoftware.de>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
Subject: Re: [Qemu-devel] git master: usb-host needs additional parameters -
 no documentation which
List-Id: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: Erik Rull <erik.rull@rdsoftware.de>
Cc: Gerd Hoffmann <kraxel@redhat.com>, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>

Il 26/11/2013 18:29, Erik Rull ha scritto:
> 
> Just a thought:
> Snippet from configure:
> 
>         libusb_cflags=$($pkg_config --cflags libusb-1.0)
>         libusb_libs=$($pkg_config --libs libusb-1.0)
>         QEMU_CFLAGS="$QEMU_CFLAGS $libusb_cflags"
>         libs_softmmu="$libs_softmmu $libusb_libs"
> 
> Is it possible to expose the two libusb_ variables to a
> configure-parameter? This would be sufficient for me to compile qemu
> with the parameters I need. I don't have the package installed but the
> includes and libs are present on the build machine and the lib is
> available on the target machine.

Note that configure does have this:

echo "libusb            $libusb"

It seems strange to me that you have includes and libs but no .pc file.
 Perhaps the pkg-config path (PKG_CONFIG_PATH) is not set correctly?

Note that in the meanwhile you can use "-device usb-host-linux", I think.

Paolo