Problem with new acl code and cdrtools

Ismail Donmez ismail@i10z.com
Mon Feb 8 14:14:00 GMT 2016


On Mon, Feb 8, 2016 at 4:10 PM, Corinna Vinschen
<corinna-cygwin@cygwin.com> wrote:
> On Feb  8 15:31, Ismail Donmez wrote:
>> On Mon, Feb 8, 2016 at 3:18 PM, Corinna Vinschen
>> <corinna-cygwin@cygwin.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?

That should help, I cook a patch and send to cdrecord maintainer.

Thanks a lot.
ismail

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