Problem with new acl code and cdrtools
Ismail Donmez
ismail@i10z.com
Mon Feb 8 16:10:00 GMT 2016
On Mon, Feb 8, 2016 at 4:36 PM, Corinna Vinschen
<corinna-cygwin@cygwin.com> wrote:
> On Feb 8 16:13, Ismail Donmez wrote:
>> 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.
>
> Wait, that's a bit premature. I'm not even sure yet if the macro name
> is ok.
I thought the macro already exissts sorry. But, again I would prefer a
__cygwin_version__ macro anyway.
Thanks,
ismail
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