CppUTest generated executables hangs after cygwin auto-update

Ralf Glaser, track IT ralf.glaser@trackitsystems.de
Tue Jun 4 11:16:00 GMT 2013

2013-05-24 and 2013-06-03 snapshots are working fine.

Thanks and best regards,

Am 24.05.2013 23:31, schrieb Corinna Vinschen:
> On May 24 17:11, Ralf Glaser, track IT wrote:
>> I attached strace log:
>> 2. failed when called from /cygdrive/c/Tools/... with 2012-11-23 DLL
>> Hope that helps.
> Actually the straces didn't really help, but that's not your fault.
> I grabbed CppUTest, built it and could immediately reproduce the
> problem.  It's a Cygwin DLL build problem which has been introduced
> between 1.7.17 and 1.7.18 when we made a pretty invasive changed to the
> build system after switching from using Mingw-w64 instead of Mingw.org.
> What happens is that the Cygwin DLL uses the wrong entry points for the
> new and delete functions.  In theory the DLL is supposed to use its own
> internal implementations, but accidentally it uses the external new and
> delete entry points which are supposed to be used by the application.
> The hang is not really the problem, rather it's just a followup effect
> of that build time misbehaviour, combined with the fact that CppUTest
> defines its own new and delete functions.
> The actual bug is a gcc flag which has accidentally been used when
> compiling object files, rather than when linking the DLL, where it
> belonged.  I fixed that in CVS and I just generated a 2012-05-24
> snapshot, which you can download from http://cygwin.com/snapshots/
> Please give it a try.
> For those already running the 64 bit Cygwin, I'm also generating a
> 1.7.19-6 64 bit cygwin package right now, which should be available
> in half an hour at the latest, too.  The 64 bit Cygwin suffered the
> same problem, I just couldn't test CppUTest because it doesn't build
> cleanly on 64 bit Cygwin.
> Corinna

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