Re: Error: unknown type name ‘pthread_attr_t’ in signal.h

[Marco Atzeri <marco.atzeri@gmail.com>]

On 16/10/2017 10:39, Jeffrey Walton wrote:
> On Mon, Oct 16, 2017 at 3:12 AM, Jeffrey Walton <noloader@gmail.com> wrote:
>> Hi Everyone,
>>

> 
> I think something is borked with the Cygwin headers. If I am parsing
> http://pubs.opengroup.org/onlinepubs/009695399/functions/xsh_chap02_02.html
> and https://cygwin.com/ml/cygwin/2006-01/msg00642.html correctly, it
> should be sufficient to define _XOPEN_SOURCE to 600. From the section
> "The _XOPEN_SOURCE Feature Test Macro":
> 
> Since this volume of IEEE Std 1003.1-2001 is aligned with the ISO C
> standard, and since all functionality enabled by _POSIX_C_SOURCE set
> equal to 200112L is enabled by _XOPEN_SOURCE set equal to 600, there
> should be no need to define _POSIX_C_SOURCE if _XOPEN_SOURCE is so
> defined. Therefore, if _XOPEN_SOURCE is set equal to 600 and
> _POSIX_C_SOURCE is set equal to 200112L, the behavior is the same as
> if only _XOPEN_SOURCE is defined and set equal to 600...
> 

> 
> I would still appreciate some help in working around the compile failures.
> 
> Jeff
> 

hi Jeff,

see
   /usr/include/sys/features.h
for explanation of the current behaviour and options



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