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Message-ID: | <4B0AA383.9000002@cornell.edu> |
Date: | Mon, 23 Nov 2009 10:00:19 -0500 |
From: | Ken Brown <kbrown AT cornell DOT edu> |
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To: | cygwin AT cygwin DOT com |
Subject: | Re: Problem with autoconf autodepend |
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On 11/22/2009 10:39 PM, Dave Korn wrote: > Ken Brown wrote: > >> I guess so. I wonder if there's a timing problem so that the deps >> directory isn't being created before it needs to be used. But here's >> something very strange: Angelo Graziosi, who is also playing with this, >> told me that he *doesn't* get error if he does 'make -j4', but he gets >> the same error I get with just plain 'make'. I would expect the >> opposite if it were a timing problem. > > No, that (potentially) makes perfect sense to me. There's a bug in the > makefile; it either has no or wrong dependency for the deps subdir, so it > doesn't get created until later in the dependency order than it is first > actually needed. If you run at -j4, some of the things later in the > dependency order get to happen earlier, including perhaps creating the deps > directory, but if you run it in serial dependency order at -j1 the deps dir > isn't created in time before it's first used. > > Can't say for sure whether or not that is what's actually happening, but > it's quite plausible. Thanks for the explanations, Dave. I was confused. There was indeed a missing dependency in the makefile, which they have now fixed. Ken -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
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