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Re: [PATCH] libtool: minimise forks per invocation on cygwin and mingw.


From: Bob Friesenhahn
Subject: Re: [PATCH] libtool: minimise forks per invocation on cygwin and mingw.
Date: Thu, 8 Dec 2011 09:30:26 -0600 (CST)
User-agent: Alpine 2.01 (GSO 1266 2009-07-14)

On Thu, 8 Dec 2011, Peter O'Gorman wrote:

Any additional forks will slow down the script and should be avoided on all platforms.

I definitely agree with that. Besides the Windows problem, it does not seem like fork performance improves linearly from adding processor cores so it is important to minimize forks so that parallel compiles don't hit an bottleneck.

Simply removing $(SHELL) from the LIBTOOL variable should fix the bug that this is attempting to fix, without slowing down libtool.

Will this approach work ok if the Cygwin/MinGW user is using something like zsh or dash rather than bash?

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



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