Re: Portability of fts() functions

[Ingo Schwarze <schwarze@usta.de>]

Hi Paul,

Paul Onyschuk wrote on Sat, Aug 09, 2014 at 12:38:27PM +0200:

> mandocdb.c in v1.13.x introduced dependency on fts() family of
> functions.  This will bite on non-BSD systems.

Ouch.  I dimly remember that was mentioned before, but then
it seems i forgot about it.  :-(

> Musl libc doesn't provide it at all, neither does systems of Solaris
> origin I guess, but then glibc does something even worse [1], relevant
> fts.h header [2].  AFAIK uClibc replicated behavior of glibc.
> 
> [1] https://sourceware.org/bugzilla/show_bug.cgi?id=15838
> [2] https://sourceware.org/git/?p=glibc.git;a=blob;f=io/fts.h

Uh-oh.  Not pretty at all.

I guess what is needed is a compat_fts.h/compat_fts.c just like
for ohash(3).  I fear that won't be something that can be done
in a hurry, though.

So it looks like for the 1.13.1 release, it's probably to late
to fix the fts(3) issue, and systems not having it will have the
choice of either running 1.13.1 with "BUILD_TARGETS += db-build"
disabled (that is, without apropos/makewhatis)
or stay with 1.12.4 until 1.13.2 comes out.

Do you think that would be tolerable?

Yours,
  Ingo
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