Re: "make test" fails with current HEAD

From

Johannes Schindelin <johannes.schindelin@gmx.de>

Date

Nov 18, 2005, 10:35 UTC

Message-ID

<Pine.LNX.4.63.0511181134080.8037@wbgn013.biozentrum.uni-wuerzburg.de>

In-Reply-To

<pan.2005.11.18.08.56.22.908009@smurf.noris.de>

Hi,

On Fri, 18 Nov 2005, Matthias Urlichs wrote:

> So the trivial fix is to emit our own "Binary files FOO and BAR differ"
> line if the exit status is 2.

>From my diff man page:

-- snip --
DIAGNOSTICS
       An  exit status of 0 means no differences were found, 1 means some 
       differences were found, and 2 means trouble.
-- snap --

The exit value 2 is ambiguous for at least one version of GNU diff.