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




On 16/10/2017 10:39, Jeffrey Walton wrote:
On Mon, Oct 16, 2017 at 3:12 AM, Jeffrey Walton <noloader@xxxxxxxxx> 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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