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bug#7868: parallel-tests: avoid command-line length limit issue.


From: Bob Friesenhahn
Subject: bug#7868: parallel-tests: avoid command-line length limit issue.
Date: Fri, 30 Dec 2011 10:10:09 -0600 (CST)
User-agent: Alpine 2.01 (GSO 1266 2009-07-14)

On Fri, 30 Dec 2011, Stefano Lattarini wrote:

OK, I hope I've finally managed to partially fix this incredibly annoying bug
-- I say "partially" because the fix is sadly *for GNU make*.  Even more sadly,
the solution is pretty hacky and somewhat brittle.   Still, it should cause no
regression with the non-GNU makes (as they will continue to use the old
implementation), and I have verified that it works with at least all the GNU
make versions >= 3.78.

I see that there is a new test which tests for GNU make. How solid is it? For example, the GNU make I use under MinGW is called 'csmake' (for "Case Sensitive make") because the default MinGW GNU case-insensitive make is horrendously slow, taking a couple of minutes before it does anything at all. It seems that someone decided that MinGW make needs to be case-insensitive and it operates via brute-force, trying every case permutation. If a network is involved, this becomes frightfully slow. As a result, whever I would normally type 'make' I type 'csmake' instead.

Bob
--
Bob Friesenhahn
address@hidden, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/





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