fchdir() stub

[Bert Deknuydt]

Hello,

Coreutils 5.3.? (and 5.2.?) use fts_read() etc. in a few tools (like chmod).
fts_read() uses fchdir(), when available on the system, otherwise its
fchdir-stub (which does nothing but return an error).

Ultrix does not have an fchdir() (which is detected by configure)...  
So the stub is called and all chmod's result in a 'fts_read failed:
Function not implemented'

So should the stub be replaced by an implementation of fchdir(), or should
a workaround in fts_read() be a better solution?

Greetings, Bert.

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