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X-HELO:	calimero.vinschen.de
Date:	Mon, 8 Feb 2016 15:36:30 +0100
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: Problem with new acl code and cdrtools
Message-ID:	<20160208143630.GG12975@calimero.vinschen.de>
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On Feb  8 16:13, Ismail Donmez wrote:
> On Mon, Feb 8, 2016 at 4:10 PM, Corinna Vinschen
> <corinna-cygwin AT cygwin DOT com> wrote:
> > On Feb  8 15:31, Ismail Donmez wrote:
> >> On Mon, Feb 8, 2016 at 3:18 PM, Corinna Vinschen
> >> <corinna-cygwin AT cygwin DOT com> wrote:
> >> > On Feb  8 12:01, Ismail Donmez wrote:
> >> >> Hi,
> >> >>
> >> >> cdrtools has some code to detect Solaris style ACLs:
> >> >>
> >> >> #if defined(HAVE_ACL) && defined(HAVE_FACL) && \
> >> >>      defined(HAVE_ACLFROMTEXT) && defined(HAVE_ACLTOTEXT)
> >> >> #   define  HAVE_SUN_ACL    1 /* Sun UFS ACL's present */
> >> >> #endif
> >> >>
> >> >> Since cygwin still seems to be defining aclfromtext() and acltotext=
()
> >> >> functions (which are not defined in POSIX) cdrtools thinks this a
> >> >> Solaris-style system and get up getting a compile error later on.
> >> >
> >> > Probably due to including sys/acl.h.  Does swtiching to cygwin/acl.h
> >> > help?  Or changing the above check to prefer POSIX ACLs over Solaris
> >> > ACLs?
> >>
> >> This is a generic code so I don't want to add a cygwin specific
> >> dependency there. Is there a preprocessor definition for cygwin
> >> version? I could use that to disable HAVE_SUN_ACL for cygwin 2.5+
> >
> > If you include cygwin/version.h you could use the version definitions.
> >
> > Alternatively we could allow to use the Solaris ACL functions even if
> > only including sys/acl.h, given some macro:
> >
> >   sys/acl.h:
> >
> >     #ifdef __USE_OLD_SOLARIS_ACL_FUNCTIONS
> >     # include <cygwin/acl.h>
> >     #else
> >       [...POSIX definitions...]
> >     #endif
> >
> > Would that help?
>=20
> That should help, I cook a patch and send to cdrecord maintainer.

Wait, that's a bit premature.  I'm not even sure yet if the macro name
is ok.


Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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