[CMake] Question about BundleUtilities

[Marco Nolden]

  On 10/19/2010 05:47 PM, David Cole wrote:
> This likely means that "otool -L" on libA is reporting 
> "/Users/engelm/bundle-test/install/MacOS/liblibB.dylib" as a dependent 
> library... If that's true, then why doesn't the library exist?
It exists in the build tree but we did not add install commands for it, 
because we thought it would be done by the BundleUtilities script (and 
in fact on linux libB does get copied to the install tree automatically).

So is this "automatic copying" of libraries intended for libraries in 
the same project as well or is it only intended for 3rd party libraries 
from other directories?

>
> Do you build libA against a build tree including libB or against an 
> install tree of libB...?
>
Both libraries are built within the same project.

> Yes, that is basically the intended usage of BundleUtilities. It looks 
> like you are using it correctly. Errors are difficult to diagnose, 
> though.....
>
>
I know, we already spent some time trying to get it to work ;) Is the 
test project useful? Can we help in some other way?

Best
Marco

> HTH,
> David
>
>
> On Tue, Oct 19, 2010 at 10:34 AM, Marco Nolden 
> <m.nolden at dkfz-heidelberg.de <mailto:m.nolden at dkfz-heidelberg.de>> wrote:
>
>     Dear all,
>
>     we have some problems using the BundleUtilities macro for
>     deployment on Mac OS X. I created a very small test project which
>     is similar to our setup:
>
>     http://github.com/nolden/bundle-test
>
>     - libA is a plugin that would be loaded at runtime by means of
>     dlopen (or something similar). We added an explicit
>     INSTALL(TARGETS libA) for this library.
>
>     - libB is a dependency of libA
>
>     - Main is an indepedent main application that would in practice
>     load libA with dlopen (not in the example)
>
>     Calling fixup_bundle with libA as a plugin gives some errors on
>     Mac OS, because libB is not copied to the install tree:
>
>     Install the project...
>     -- Install configuration: ""
>     -- Installing: /Users/engelm/bundle-test/install/lib/liblibA.dylib
>     -- Installing: /Users/engelm/bundle-test/install/bin/Main
>     GetPreReq
>     -- fixup_bundle
>     --   app='/Users/engelm/bundle-test/install/bin/Main'
>     --   libs='/Users/engelm/bundle-test/install/lib/liblibA.dylib'
>     --   dirs='/Users/engelm/bundle-test/bin/bin'
>     -- fixup_bundle: preparing...
>     -- warning: embedded item does not exist
>     '/Users/engelm/bundle-test/install/MacOS/liblibB.dylib'
>     --
>     ******************************************************************************
>     warning: cannot resolve item '@executable_path/../MacOS/liblibB.dylib'
>
>     On Linux, the copying of the dependencies works, we have not
>     tested windows yet.
>
>     Is this the intended use of the BundleUtilities script? It looks
>     like a very good solution for cross-platform deployment.
>
>     Best,
>
>     Marco / Sascha
>
>     MITK, http://www.mitk.org
>
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