CMake:Bundles And Frameworks

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Issue

(In all examples, the applications are named appl1, appl2, ..., libraries are named libr1, libr2, ..., header files are named appl1_header1, appl2_header2, libr1_header1, ..., and there are auxilary files associated with application and library appl1_aux1, appl2_aux2, libr1_aux1, .... and some resource files associated with application and library appl1_res1, appl2_res2, libr1_res1, .... All versions are ver1, ver2, ...)

On Mac there are several different cases of combinations of bundles, frameworks, and unix tools.

The problem is that CMAKE_INSTALL_PREFIX is not enough. Also, when creating bundles and frameworks, auxilary files should be in the proper subdirectory structure.

Cases

Unix tools only

  • No issues (just like any other unix)

Bundle only

  • Everything in a same directory:
/Applications/
             appl1.app/
                      Contents/
                              Info.plist
                              MacOS/
                                   appl1 -> appl1-1
                                   appl1-1
                                   appl1_aux1
                                   appl1_aux2
                              Resources/
                                   appl1_res1
                                   appl1_res2
  • Suggested api:
ADD_EXECUTABLE(
  appl1
  MACOSX_BUNDLE
  appl1_src1.cxx
  appl1_src2.cxx
  ...
  MACOSX_BUNDLE_CONTENT
  apple1_aux1
  apple1_aux2
  apple1_res1
  apple1_res2
  )

SET_SOURCE_FILES_PROPERTIES(
  apple1_aux1
  apple1_aux2
  PROPERTIES
  MACOSX_BUNDLE_LOCATION MacOSX
  )
SET_SOURCE_FILES_PROPERTIES(
  apple1_res1
  apple1_res2
  PROPERTIES
  MACOSX_BUNDLE_LOCATION Resources
  )

Comment: (submitted by david.cole) I like the suggested api. One thing to keep in mind, however, is that some of the file system entities Mac programmers perceive as files are actually bundles themselves... For example, the resource files produced by Interface Builder (the *.nib "files") are actually bundles/directories themselves. As a Mac programmer, I think of the *.nib "file" as just another source file... In reality it's a directory with contents, which is supposed to be recursively copied into the correct location of the target bundle at build time. I would expect to be able to add either a file or a directory as a MACOSX_BUNDLE_CONTENT element in the ADD_EXECUTABLE/ADD_LIBRARY commands. If it's a file it gets copied into the target bundle at the specified location. If it's a directory, same thing, but recursively. This is mandatory in my opinion because Apple could decide to add, remove or completely reorganize elements within the *.nib file format with their next version of Xcode. I definitely don't want to mirror the hierarchical structure of a *.nib file in my CMakeLists.txt files. I also definitely don't want to be forced into using FILE(GLOB_RECURSE ...) in order to do things on a file by file basis. As a Mac programmer, I don't necessarily know whether one of these things is a file or directory - I can't tell CMake what I don't know, so CMake should definitely be able to handle either. CMake needs to support copying directories verbatim as bundle elements to make this feature worthwhile.

Framework only

  • Everything in a same directory:
/Library/
        Frameworks/
                  libr1.framework/
                                 libr1     -> Versions/Current/libr1
                                 Resources -> Versions/Current/Resources
                                 Libraries -> Versions/Current/Libraries
                                 Headers   -> Versions/Current/Headers
                                 Versions/
                                         Current -> ver2
                                         ver2/
                                             libr1
                                             Resources/
                                                      Info.plist
                                                      version.plist
                                             Libraries/
                                                      libr2.dylib
                                                      libr3.dylib
                                             Headers/
                                                    libr1_header1.h
                                                    libr1_header2.h
                                                    libr1_header3.h


  • Suggested api:
ADD_LIBRARY(
  libr1
  SHARED MACOSX_FRAMEWORK
  appl1_src1.cxx
  appl1_src2.cxx
  libr1_header4.h
  libr1_header5.h
  libr1_header6.h
  ...
  MACOSX_FRAMEWORK_HEADERS
  libr1_header1.h
  libr1_header2.h
  libr1_header3.h
  )

TARGET_LINL_LIBRARIES(
  libr1
  libr2 libr3)

Bundle + Framework

  • Bundle stuff in one directory, framework stuff in another one
/Applications/
             appl1.app/
                      Contents/
                              Info.plist
                              MacOS/
                                   appl1 -> appl1-ver1
                                   appl1-ver2
                                   appl1_aux1
                                   appl1_aux2
                              Resources/
                                   appl1_res1
                                   appl1_res2
/Library/
        Frameworks/
                  libr1.framework/
                                 libr1     -> Versions/Current/libr1
                                 Resources -> Versions/Current/Resources
                                 Libraries -> Versions/Current/Libraries
                                 Headers   -> Versions/Current/Headers
                                 Versions/
                                         Current -> ver2
                                         ver2/
                                             libr1
                                             Resources/
                                                      Info.plist
                                                      version.plist
                                             Libraries/
                                                      libr2.dylib
                                                      libr3.dylib
                                             Headers/
                                                    libr1_header1.h
                                                    libr1_header2.h
                                                    libr1_header3.h

Bundle + Unix tools

  • Bundle stuff in one directory, unix tools in typical unix location
/Applications/
             appl1.app/
                      Contents/
                              Info.plist
                              MacOS/
                                   appl1 -> appl1-ver1
                                   appl1-ver2
                                   appl1_aux1
                                   appl1_aux2
                              Resources/
                                   appl1_res1
                                   appl1_res2

/usr/
    bin/
       appl2
    share/
       appl2-version/
                    appl2_aux1
                    appl2_aux2

Framework + Unix tools

  • Framework stuff in one directory, unix tools in typical unix location
/Library/
        Frameworks/
                  libr1.framework/
                                 libr1     -> Versions/Current/libr1
                                 Resources -> Versions/Current/Resources
                                 Libraries -> Versions/Current/Libraries
                                 Headers   -> Versions/Current/Headers
                                 Commands  -> Versions/Current/Commands
                                 Versions/
                                         Current -> ver2
                                         ver2/
                                             libr1
                                             Resources/
                                                      Info.plist
                                                      version.plist
                                             Libraries/
                                                      libr2.dylib
                                                      libr3.dylib
                                             Headers/
                                                    libr1_header1.h
                                                    libr1_header2.h
                                                    libr1_header3.h
                                             Commands/
                                                     appl2
                                             bin/
                                                appl3
/usr/
    bin/
       appl1
       appl2 -> /Library/Frameworks/libr1.framework/Commands/appl2
       appl3 -> /Library/Frameworks/libr1.framework/Version/ver1/bin/appl3
    share/
       appl1-version/
                    appl1_aux1
                    appl1_aux2

Bundle + Framework + Unix tools

  • Framework stuff in one directory, unix tools in typical unix location
/Applications/
             appl1.app/
                      Contents/
                              Info.plist
                              MacOS/
                                   appl1 -> appl1-ver1
                                   appl1-ver2
                                   appl1_aux1
                                   appl1_aux2
                              Resources/
                                   appl1_res1
                                   appl1_res2
/Library/
        Frameworks/
                  libr1.framework/
                                 libr1     -> Versions/Current/libr1
                                 Resources -> Versions/Current/Resources
                                 Libraries -> Versions/Current/Libraries
                                 Headers   -> Versions/Current/Headers
                                 Commands  -> Versions/Current/Commands
                                 Versions/
                                         Current -> ver2
                                         ver2/
                                             libr1
                                             Resources/
                                                      Info.plist
                                                      version.plist
                                             Libraries/
                                                      libr2.dylib
                                                      libr3.dylib
                                             Headers/
                                                    libr1_header1.h
                                                    libr1_header2.h
                                                    libr1_header3.h
                                             Commands/
                                                     appl2
                                             bin/
                                                appl3
/usr/
    bin/
       appl1
       appl2 -> /Library/Frameworks/libr1.framework/Commands/appl2
       appl3 -> /Library/Frameworks/libr1.framework/Version/ver1/bin/appl3
    share/
         appl1-version/
                      appl1_aux1
                      appl1_aux2

Related Work

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