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Re: [PATCH] coreutils: fix build with uClibc

From: Mike Frysinger
Subject: Re: [PATCH] coreutils: fix build with uClibc
Date: Tue, 14 Jan 2014 17:45:51 -0500
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On Tuesday 14 January 2014 13:53:02 Baruch Siach wrote:
> On Tue, Jan 14, 2014 at 05:46:50PM +0000, Pádraig Brady wrote:
> > I noticed this issue from:
> > http://permalink.gmane.org/gmane.comp.lib.uclibc.buildroot/73294
> > 
> > I've not tested the following on uclibc, but does the attached patch fix
> > it? (you just need to patch the m4/spawn_h.m4 file in coreutils to test
> > this)
> I guess it should fix the problem, but it would be better to fix uClibc.

unless POSIX explicitly states that the symbols be in -lc, i don't think 
uClibc is broken.  i don't believe POSIX states that (if it does, please point 
out in the docs).

keeping them in -lrt over -lc makes a bit of sense in my mind:
        - the POSIX docs label them as "ADVANCED REALTIME" (ok, ok, maybe i'm 
reaching here as what POSIX calls "realtime" is often not really "realtime" 
        - these funcs are not common (that i've seen).  that means always 
them in via libc.so is useless overhead.  better to penalize the uncommon.

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