[Insight-users] Re: [CMake] Installed project with shared libs

[Brad King]

Zachary Pincus wrote:
> Hi folks,
> 
> For the first time ever, I actually installed ITK (built with shard  
> libs) as opposed to using it from the build directory.
> 
> After installing ITK, I moved the build directory and tried to build  
> and run a project that uses ITK. The project built fine, because the  
> linker saw the installed dylibs. However, the project won't run,  
> because the rpaths in the installed dylibs were paths to the build  
> directory, not the install directory. Thus dyld can't find the itk  
> libraries.
> 
> It seems like this issue will arise with any CMake-driven project,  and 
> not just ITK. So, in its current state, can CMake be used to  create 
> shared libs that work properly when installed? I know that  CMake just 
> got custom rpath support (thanks Brad!), so I'm curious as  to what ITK 
> (or any CMake project that installs shared libs) would  need to do to 
> support this.
> 
> It seems like two copies of the libs would have to be linked: one for  
> use in the build dir, and one InstallOnly copy, with the correct  
> install rpath. Is this correct? Is there an easier/better solution  
> (preferably cross-platform)?

This has already been implemented in the CVS version of CMake.

-Brad