On Mon, Dec 15, 2008 at 02:43:44PM -0500, Ken Brown wrote: > On 12/15/2008 10:34 AM, Ken Brown wrote: >> On 12/15/2008 8:52 AM, Corinna Vinschen wrote: >>> On Dec 14 16:49, Ken Brown wrote: >>>> On 12/11/2008 2:30 PM, Matt Wozniski wrote: >>>>> On Thu, Dec 11, 2008 at 1:14 PM, Ken Brown wrote: >>>>>> One other thing I've noticed, which I think is unrelated, is that >>>>>> there is a >>>>>> glitch in directory listing in emacs under cygwin 1.7: If you try to >>>>>> list a >>>>>> directory with control-x d, very often the directory listing makes it >>>>>> look >>>>>> like the directory is empty when it isn't. Typing "g" (to ask emacs >>>>>> to >>>>>> redisplay the directory) usually results in a correct listing. >>>>>> [...] >>>>> With no knowledge of cygwin's internals, I'd much sooner guess the >>>>> changes to the pipe code... >>>> I should have just reported the symptom instead of trying to guess the >>>> cause: Emacs runs the shell command "ls -al" and thinks there's no >>>> output. Here's a second example. I used emacs's "ediff" function to >>>> compare two buffers, and it reported (incorrectly) that there were no >>>> differences. So it seems that emacs called on the shell to run "diff" >>>> but didn't get the output. >>> >>> Any chance to create a testcase which reproduces this behaviour without >>> involving emacs? Emacs is hell of a testcase which I won't even touch >>> with gloves... >> Unfortunately, I have virtually no programming experience. I was hoping >> the emacs maintainer might be able to help. > > Here's one more piece of information, in case it means something to the > experts. I had been building emacs with the following patch, which was > given to me by the person who told me how to build emacs for cygwin: > > --- strftime.c.orig 2007-01-14 04:24:37.000000000 +0100 > +++ strftime.c 2008-02-04 21:40:01.031250000 +0100 > @@ -54,7 +54,7 @@ > # endif > #endif > #if HAVE_TZNAME > -#ifndef USE_CRT_DLL > +#if !defined (USE_CRT_DLL) && !defined (CYGWIN) > extern char *tzname[]; > #endif > #endif > > I just rebuilt emacs under cygwin 1.7 without that patch. The glitch > involving directory listings still occurs occasionally, but *much* less > often. It happens so much less often that I was about to send a message > saying the problem was solved, but then it happened again. > > Two questions: > > 1. For the sake of my education, can someone explain to me what this patch > is all about and whether it ought to be necessary for cygwin? (I'm > compiling with gcc-4, if that makes a difference.)
Sorry but the patch makes no sense on at least two levels. 1) USE_CRT_DLL should not be set when CYGWIN is defined. 2) declaring tzname should not affect anything timing related. -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
