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On Fri, Jun 17, 2011 at 05:16:02PM +0000, Vadim Zeitlin wrote: > Uday S Reddy <u.s.reddy <at> cs.bham.ac.uk> writes: > > > Eric Blake writes: > > > > > Odd; that says all your dlls are in place. The only other thing that I > > > can suspect is that you have an incomplete dll, where you are missing a > > > required entry point (perhaps you are running too old of a > > > cygwin1.dll?). What is $? after the failed m4? Also, can you try > > > opening up a cmd window, and running m4 from there, to see if you get a > > > useful popup box? (running under a cygwin shell intentionally suppresses > > > dll link error popup boxes) > > > > Indeed, you were right to suspect the dll. Reinstalling it cured the > > problem. > > Sorry to revive a relatively old thread but I have the same problem as > Uday except that I couldn't fix it. To summarize: > > 1. After a routine Cygwin upgrade m4 stopped working, it exits with $?=127 > without any messages, even when ran from cmd.exe and not Cygwin prompt. > 2. Reinstalling m4 1.4.16 didn't change anything. > 3. Rolling back to 1.4.15 fixed the problem and m4 runs ok now. > 4. Re-upgarding to 1.4.16 reintroduced the same problem so it wasn't just > a bad upgrade or something like that. > > The output of cygcheck is the same for 1.4.15 and 1.4.16. However the > output of ldd is normal for 1.4.15 but ldd hangs with 1.4.16 with m4 child > process running but not doing anything. > > So it seems to me that there is a real problem with m4 1.4.16. > Unfortunately I don't know how to debug it further. For the moment I'm just > going to stay with 1.4.15 but if anybody has any ideas for further tests > I'd be glad to perform them and post the results. You could download the source package, build it and try to see if it makes a difference. Just an idea. -- Huella de clave primaria: AD8F BDC0 5A2C FD5F A179 60E7 F79B AB04 5299 EC56
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