[PATCH libevdev 1/2] Test for CFLAGS/LFLAGS availability

[Peter Hutterer]

On Fri, Sep 13, 2013 at 02:04:16AM +0200, David Herrmann wrote:
> Hi
> 
> On Fri, Sep 13, 2013 at 12:21 AM, Ran Benita <ran234 at gmail.com> wrote:
> > Hi,
> >
> > On Thu, Sep 12, 2013 at 06:07:53PM +0200, David Herrmann wrote:
> >> diff --git a/m4/attributes.m4 b/m4/attributes.m4
> >> new file mode 100644
> >> index 0000000..7e080da
> >> --- /dev/null
> >> +++ b/m4/attributes.m4
> >> @@ -0,0 +1,288 @@
> >> +dnl Macros to check the presence of generic (non-typed) symbols.
> >> +dnl Copyright (c) 2006-2008 Diego Pettenň <flameeyes at gmail.com>
> >> +dnl Copyright (c) 2006-2008 xine project
> >> +dnl Copyright (c) 2012 Lucas De Marchi <lucas.de.marchi at gmail.com>
> >> +dnl
> >> +dnl This program is free software; you can redistribute it and/or modify
> >> +dnl it under the terms of the GNU General Public License as published by
> >> +dnl the Free Software Foundation; either version 2, or (at your option)
> >> +dnl any later version.
> >> +dnl
> >> +dnl This program is distributed in the hope that it will be useful,
> >> +dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
> >> +dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> >> +dnl GNU General Public License for more details.
> >> +dnl
> >> +dnl You should have received a copy of the GNU General Public License
> >> +dnl along with this program; if not, write to the Free Software
> >> +dnl Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
> >> +dnl 02110-1301, USA.
> >> +dnl
> >> +dnl As a special exception, the copyright owners of the
> >> +dnl macro gives unlimited permission to copy, distribute and modify the
> >> +dnl configure scripts that are the output of Autoconf when processing the
> >> +dnl Macro. You need not follow the terms of the GNU General Public
> >> +dnl License when using or distributing such scripts, even though portions
> >> +dnl of the text of the Macro appear in them. The GNU General Public
> >> +dnl License (GPL) does govern all other use of the material that
> >> +dnl constitutes the Autoconf Macro.
> >> +dnl
> >> +dnl This special exception to the GPL applies to versions of the
> >> +dnl Autoconf Macro released by this project. When you make and
> >> +dnl distribute a modified version of the Autoconf Macro, you may extend
> >> +dnl this special exception to the GPL to apply to your modified version as
> >> +dnl well.
> >
> > Annoying question follows:
> >
> > Is this license a problem in an MIT-licensed project? AFAIU including
> > the file itself is GPL. It had put me off using several macros in the
> > past (it seems to be the standard for such), but I am not well-versed
> > in this stuff...
> 
> I don't think so. Obviously, the license states that we are allowed to
> distribute tarballs in any form, so I doubt it wouldn't apply to
> git-copies either. If Peter is hesitating, we can always contact the
> developers, Peter?
> 
> On the other hand, we are free to redistribute the m4 script as GPL
> script. Nothing states that we have to make libevdev GPL as well.
> There is no connection between the m4 script and libevdev except for
> the output of automake, which is explicitly allowed as _any_ license
> we want.

yeah, I think we're fine here, this macro changes merely the Makefile, which
isn't part of the compiled binary.

   b539cfd..f5e65ea  master -> master

Cheers,
   Peter