Question about the definition of _XOPEN_SOURCE

[Sebastian Huber]

On 03/01/2021 18:06, Heinz Junkes wrote:

> _XOPEN_SOURCE is not set anywhere in the RTEMS header files etc..

Yes, and this is how it should be. This define is supposed to be defined 
by your application if necessary:

https://www.gnu.org/software/libc/manual/html_node/Feature-Test-Macros.html

https://man7.org/linux/man-pages/man7/feature_test_macros.7.html

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