[PATCH] 'yes' within the path sets wrong config variables

[Joseph Myers]

On Tue, 3 Mar 2015, Benjamin Esquivel wrote:

> It seems that the 'AC_EGREP_CPP(yes...' example is quite popular
> but being such a short word to grep it is likely to produce
> false-positive matches with the path it is configured into.

What's your objection to the AC_PREPROC_IFELSE / #error approach suggested 
in <https://sourceware.org/ml/libc-alpha/2014-08/msg00414.html>?

-- 
Joseph S. Myers
joseph@codesourcery.com