[CMake] cmake trouble

[Rolf Eike Beer]

Eric Clark wrote:
> > Eric Clark wrote:
> > > Hello,
> > > 
> > > First off, you cannot call both add_executable and add_library in the
> > 
> > > same CMakeLists file. Here is what I can say about your other questions:
> > Of course you can.
> 
> Yes, but only if you call project() twice, correct?

No, even if you don't call project at all (but you need to call project() in a 
higher level CMakeLists.txt then).

> Maybe I should have been
> more specific. What I meant was that you cannot create two targets for the
> same project (i.e you cannot build an executable and a dll in the same
> project). In the code that was posted, there was no call to project between
> the call to add_library and add_executable. Certainly there is nothing
> wrong with calling project more than once in a list file, but I have found
> that it is a rare case that you want to do this... This could be just my
> experience, but I can only speak for what I know.

The only thing that does not work then is the projectname_SOURCE_DIR variable 
that is set by CMake when you call project(). But otherwise everything is 
fine.

Eike
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