[CMake] Adding one static library into another

[Ryan Pavlik]

This is a pretty frequently asked question - the short answer is, if you 
are building all the libraries yourself, just add all the source files 
to a single cmake static library, otherwise install a ____-config.cmake 
file that will automatically set a dependency.  Trying to do this 
apparently auto*-y ar trick is possible but ugly and "not the right way 
to do it".

Ryan

On 04/28/2010 02:57 PM, Eric Nodwell wrote:
> Is there any way to have CMake make a new static library that includes the objects from another existing static library?
>
> As an example (here a Linux-specific example) of doing this manually, suppose I have an existing library "libA.a", as well as an object file "B.o" that I have just compiled, and I want to combine the two of them into a single static library named "libB.a" .  By hand I could do this:
>
> ar xv libA.a      # generates an A.o or something similar
> ar rcs libB.a B.o A.o
>
> Can this be done (in a cross-platform way) with CMake commands?
>
> (Of course, if I have access to the source code for A, this is simple, but that may not always be the case.)
>
> Thank you for any tips,
> Eric
>
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-- 
Ryan Pavlik
HCI Graduate Student
Virtual Reality Applications Center
Iowa State University

rpavlik at iastate.edu
http://academic.cleardefinition.com
Internal VRAC/HCI Site: http://tinyurl.com/rpavlik