POSIX conformance question

[Adhemerval Zanella]

On 13/06/2018 00:23, Olton, Chris wrote:
> When we use the -ansi flag and include string.h, strdup isn't included. I don't know the rationale for keeping POSIX out when doing this, but that's not really my question. I understand I can still have this functionality if I define _POSIX_C_SOURCE to be >= 200809, but my question is why do I have to use this version? Why couldn't I use an earlier POSIX version (e.g. 200112) which also has strdup?
> 

Because https://sourceware.org/bugzilla/show_bug.cgi?id=14881