[CMake] OS X, SDL, Frameworks and Libraries

[Michael Jackson]

This is actually ironic. The SDL.framework is actually ready to be  
used in a bundle in its default state which seems to be the exception  
to the rule. Typically the install_path embedded in the dylib or  
framework is either just the name of the library OR the complete path  
to the library/framework. So basically there needs to be an additional  
check in the BundleUtilities.cmake file to look for an install_path  
that begins with @executable_path or @loader_path and basically ignore  
the next few steps where the install_path is fixed up and copied into  
the bundle location. So look in the BundleUtilities.cmake file and see  
if you can patch it up.

___________________________________________________________
Mike Jackson                      www.bluequartz.net
Principal Software Engineer       mike.jackson at bluequartz.net
BlueQuartz Software               Dayton, Ohio


On Mar 5, 2010, at 8:39 AM, Francisco Requena wrote:

> As on my previous my post, I got a bundle with SDL.framework embeeded.
> On OS X, you can either use .framework and .dylib binaries. So, I  
> got to use the BundleUtilities macro.
>
> If CMake doesn't find the .framework, all works ok: I get 3  
> libraries (libSDL..) on Content/MacOS folder.
> If CMake finds the .framework, it just doesn't know (or it seems)  
> how to handle it. What can I do?
>
> Here's the CMakeLists.txt:
>
> cmake_minimum_required(VERSION 2.8)
>
> project(openvolt)
>
> set(APP_NAME OpenVolt)
>
> include(FindSDL)
> include(FindOpenGL)
>
> include_directories(${SDL_INCLUDE_DIR})
>
> add_executable(${APP_NAME} MACOSX_BUNDLE main.cpp)
>
> target_link_libraries(${APP_NAME} ${SDL_LIBRARY} ${OPENGL_LIBRARIES})
>
> string(REPLACE "-framework Cocoa" "" DIRS ${SDL_LIBRARY})
> install(CODE "
>   include(BundleUtilities)
>   fixup_bundle(\"${openvolt_BINARY_DIR}/${APP_NAME}.app\" \"\" \"$ 
> {DIRS}\")
> " COMPONENT Runtime)
>
>
> And here's the output when I do 'make install':
>
> [100%] Built target OpenVolt
> Install the project...
> -- Install configuration: ""
> -- fixup_bundle
> --   app='/Users/frarees/openvolt/build/OpenVolt.app'
> --   libs=''
> --   dirs='/Library/Frameworks/SDL.framework'
> -- fixup_bundle: preparing...
> -- warning: embedded item does not exist '/Users/frarees/openvolt/ 
> build/OpenVolt.app/Contents/Frameworks/SDL.framework/Versions/1.3/SDL'
> -- 
> warning: cannot resolve item '@executable_path/../Frameworks/ 
> SDL.framework/Versions/1.3/SDL'
>
>   possible problems:
>     need more directories?
>     need to use InstallRequiredSystemLibraries?
>     run in install tree instead of build tree?
>
> -- warning: embedded item does not exist '/Users/frarees/openvolt/ 
> build/OpenVolt.app/Contents/Frameworks/SDL.framework/Versions/1.3/SDL'
> -- 
> warning: cannot resolve item '@executable_path/../Frameworks/ 
> SDL.framework/Versions/1.3/SDL'
>
>   possible problems:
>     need more directories?
>     need to use InstallRequiredSystemLibraries?
>     run in install tree instead of build tree?
>
> -- fixup_bundle: copying...
> -- 1/4: *NOT* copying '/Users/frarees/openvolt/build/OpenVolt.app/ 
> Contents/MacOS/OpenVolt'
> -- 2/4: copying '@executable_path/../Frameworks/SDL.framework/ 
> Versions/1.3/SDL'
> -- fixup_bundle: fixing...
> -- 3/4: fixing up '/Users/frarees/openvolt/build/OpenVolt.app/ 
> Contents/MacOS/OpenVolt'
> -- 4/4: fixing up '/Users/frarees/openvolt/build/OpenVolt.app/ 
> Contents/Frameworks/SDL.framework/Versions/1.3/SDL'
> -- fixup_bundle: cleaning up...
> -- fixup_bundle: verifying...
> --  
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> -- Analyzing app='/Users/frarees/openvolt/build/OpenVolt.app'
> -- bundle='/Users/frarees/openvolt/build/OpenVolt.app'
> -- executable='/Users/frarees/openvolt/build/OpenVolt.app/Contents/ 
> MacOS/OpenVolt'
> -- valid='1'
> -- executable file 1: /Users/frarees/openvolt/build/OpenVolt.app/ 
> Contents/MacOS/OpenVolt
> -- warning: embedded item does not exist '/Users/frarees/openvolt/ 
> build/OpenVolt.app/Contents/Frameworks/SDL.framework/Versions/1.3/SDL'
> -- 
> warning: cannot resolve item '@executable_path/../Frameworks/ 
> SDL.framework/Versions/1.3/SDL'
>
>   possible problems:
>     need more directories?
>     need to use InstallRequiredSystemLibraries?
>     run in install tree instead of build tree?
>
> -- verified='1'
> -- info='Verified 1 executable files in '/Users/frarees/openvolt/ 
> build/OpenVolt.app''
> -- 
> -- verified='1'
> -- info=''
> -- 
> -- fixup_bundle: done
>
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