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Subject: Re: [hwloc-devel] libpci: GPL
From: Brice Goglin (Brice.Goglin_at_[hidden])
Date: 2013-02-06 13:01:32


Le 06/02/2013 16:10, Jeff Squyres (jsquyres) a écrit :
> On Feb 6, 2013, at 7:02 AM, Brice Goglin <Brice.Goglin_at_[hidden]> wrote:
>
>> Just pushed Samuel's patch + the configury + one fix for object names.
>> The code currently uses libpciaccess by default. pciutils is only used
>> when libpciaccess isn't available.
>
> I think that this will still result in many GPL-enabled hwlocs by default because libpci is installed on many distros by default, but libpciaccess is not.
>
> How about:
>
> - Check for libpciaccess. If found, use it. STOP.
> - If not found:
> - check for libpci.
> - if found, and if --enable-gpl-taint was specified, use it. STOP.
> - if not found, display the usual "no pci support" message at the end. STOP.
> - if found:
> - display the usual "no pci support" message at the end
> - but also display a big, bold, flashing message saying "We can enable PCI support in one of two ways: 1) download/install libpciaccess (http://cgit.freedesktop.org/xorg/lib/libpciaccess/), or 2) pass --enable-gpl-taint to allow hwloc to use libpci, BUT BE AWARE THAT THIS MAKES THIS HWLOC BINARY AND EVERYTHING THAT IT LINKS TO BE GPL!"

If "configure --help" and the big warning both say that enabling it
*may* taint as GPL, the option could just be "--enable-libpci".

Brice