Hi Eric,

> Am 27.06.2019 um 13:06 schrieb Eric Doenges <doen...@mvtec.com>:
> 
> I can't help you with your other issues, but I believe the solution to this 
> problem is to specify "BUILD_ALWAYS TRUE" in your ExternalProject_Add. From 
> the documentation for ExternalProject_Add:
> Enabling this option forces the build step to always be run. This can be the 
> easiest way to robustly ensure that the external project’s own build 
> dependencies are evaluated rather than relying on the default success 
> timestamp-based method. This option is not normally needed unless developers 
> are expected to modify something the external project’s build depends on in a 
> way that is not detectable via the step target dependencies (e.g. SOURCE_DIR 
> is used without a download method and developers might modify the sources in 
> SOURCE_DIR).

I’ve applied this option and will see if it helps.

thanks,

Torsten

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