[libvirt] libvirt build failure w/GNU make and automake.git (automake regression?)

[Paul Smith]

On Wed, 2012-09-12 at 17:01 +0200, Jim Meyering wrote:
> That is because of this automake-generated rule:
> 
>     undefine.log: undefine
> The trouble is that "undefine" is an operator in GNU make.
> 
> The most pragmatic work-around is to rename the "undefine" test script.
> However, Stephano, as automake maintainer, I think you will want to
> fix automake not to prohibit the use of such test names.

This could be a legitimate bug in GNU make.  It's arguable that GNU make
should only consider "undefine" to be an operator in contexts where it
might be an operator.  Clearly a prerequisite (or target) named
"undefine" cannot be a make operator.