Re: transform2.test failure on Cygwin: replacing an executable with a script

[Peter Rosin]

Den 2010-08-07 17:56 skrev Ralf Wildenhues:
> I'm seeing a presumably new failure on Cygwin that I don't remember
> seeing before.  The gist is the following: transform2.test tries
> something like
> 
>   install bla.exe .../inst/bin/foo.exe
>   install script.sh .../inst/bin/foo
> 
> and the second one fails (to overwrite the foo.exe).  Does anybody
> happen to know if this is due to a change in Cygwin semantics?
> 
> If yes, then the question is whether we should work around it somehow,
> like removing the old program first, so that 'make install' of a package
> upgrade that reimplements some program as a script might fail; OTOH,
> this should probably be done on w32 only, since foo might be a tool used
> during installation (such as 'install').  Ouch.
> 
> I can't see why an Automake bug should be involved in this failure.

This sounds like a change in Cygwin exe-magic that I unfortunately
fail to find any reference to. I sure do remember recent (this year
approximately) problem descriptions in this area from the Cygwin
mailing list anyway...

Cheers,
Peter