Improve documentation of BundleUtilities.cmake
Put the function documentation into the header-comment, improve formatting and list the user-relevant functions first. Signed-off-by: Michael Wild <themiwi@users.sourceforge.net>
This commit is contained in:
parent
37fb1f3690
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@ -1,9 +1,10 @@
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# BundleUtilities.cmake
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# - A collection of CMake utility functions useful for dealing with .app
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# bundles on the Mac and bundle-like directories on any OS.
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#
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#
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# A collection of CMake utility functions useful for dealing with .app bundles
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# The following functions are provided by this module:
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# on the Mac and bundle-like directories on any OS.
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# fixup_bundle
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#
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# copy_and_fixup_bundle
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# The following functions are provided by this script:
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# verify_app
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# get_bundle_main_executable
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# get_bundle_main_executable
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# get_dotapp_dir
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# get_dotapp_dir
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# get_bundle_and_executable
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# get_bundle_and_executable
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@ -14,14 +15,108 @@
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# get_bundle_keys
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# get_bundle_keys
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# copy_resolved_item_into_bundle
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# copy_resolved_item_into_bundle
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# fixup_bundle_item
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# fixup_bundle_item
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# fixup_bundle
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# copy_and_fixup_bundle
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# verify_bundle_prerequisites
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# verify_bundle_prerequisites
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# verify_bundle_symlinks
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# verify_bundle_symlinks
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# verify_app
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#
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#
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# Requires CMake 2.6 or greater because it uses function, break and
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# Requires CMake 2.6 or greater because it uses function, break and
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# PARENT_SCOPE. Also depends on GetPrerequisites.cmake.
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# PARENT_SCOPE. Also depends on GetPrerequisites.cmake.
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#
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# FIXUP_BUNDLE(<app> <libs> <dirs>)
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# Fix up a bundle in-place and make it standalone, such that it can be
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# drag-n-drop copied to another machine and run on that machine as long as all
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# of the system libraries are compatible.
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#
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# Gather all the keys for all the executables and libraries in a bundle, and
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# then, for each key, copy each prerequisite into the bundle. Then fix each one
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# up according to its own list of prerequisites.
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#
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# Then clear all the keys and call verify_app on the final bundle to ensure
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# that it is truly standalone.
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#
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# COPY_AND_FIXUP_BUNDLE(<src> <dst> <libs> <dirs>)
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# Makes a copy of the bundle <src> at location <dst> and then fixes up the
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# new copied bundle in-place at <dst>...
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#
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# VERIFY_APP(<app>)
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# Verifies that an application <app> appears valid based on running analysis
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# tools on it. Calls "message(FATAL_ERROR" if the application is not verified.
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#
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# GET_BUNDLE_MAIN_EXECUTABLE(<bundle> <result_var>)
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# The result will be the full path name of the bundle's main executable file
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# or an "error:" prefixed string if it could not be determined.
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#
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# GET_DOTAPP_DIR(<exe> <dotapp_dir_var>)
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# Returns the nearest parent dir whose name ends with ".app" given the full
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# path to an executable. If there is no such parent dir, then return a dir at
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# the same level as the executable, named with the executable's base name and
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# ending with ".app"
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#
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# The returned directory may or may not exist.
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#
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# GET_BUNDLE_AND_EXECUTABLE(<app> <bundle_var> <executable_var> <valid_var>)
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# Takes either a ".app" directory name or the name of an executable
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# nested inside a ".app" directory and returns the path to the ".app"
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# directory in <bundle_var> and the path to its main executable in
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# <executable_var>
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#
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# GET_BUNDLE_ALL_EXECUTABLES(<bundle> <exes_var>)
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# Scans the given bundle recursively for all executable files and accumulates
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# them into a variable.
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#
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# GET_ITEM_KEY(<item> <key_var>)
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# Given a file (item) name, generate a key that should be unique considering
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# the set of libraries that need copying or fixing up to make a bundle
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# standalone. This is essentially the file name including extension with "."
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# replaced by "_"
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#
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# This key is used as a prefix for CMake variables so that we can associate a
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# set of variables with a given item based on its key.
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#
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# CLEAR_BUNDLE_KEYS(<keys_var>)
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# Loop over the list of keys, clearing all the variables associated with each
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# key. After the loop, clear the list of keys itself.
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#
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# Caller of get_bundle_keys should call clear_bundle_keys when done with list
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# of keys.
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#
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# SET_BUNDLE_KEY_VALUES(<keys_var> <context> <item> <exepath> <dirs>
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# <copyflag>)
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# Add a key to the list (if necessary) for the given item. If added,
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# also set all the variables associated with that key.
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#
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# GET_BUNDLE_KEYS(<app> <libs> <dirs> <keys_var>)
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# Loop over all the executable and library files within the bundle (and given
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# as extra <libs>) and accumulate a list of keys representing them. Set
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# values associated with each key such that we can loop over all of them and
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# copy prerequisite libs into the bundle and then do appropriate
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# install_name_tool fixups.
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#
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# COPY_RESOLVED_ITEM_INTO_BUNDLE(<resolved_item> <resolved_embedded_item>)
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# Copy a resolved item into the bundle if necessary. Copy is not necessary if
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# the resolved_item is "the same as" the resolved_embedded_item.
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#
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# FIXUP_BUNDLE_ITEM(<resolved_embedded_item> <exepath> <dirs>)
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# Get the direct/non-system prerequisites of the resolved embedded item. For
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# each prerequisite, change the way it is referenced to the value of the
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# _EMBEDDED_ITEM keyed variable for that prerequisite. (Most likely changing to
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# an "@executable_path" style reference.)
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#
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# Also, change the id of the item being fixed up to its own _EMBEDDED_ITEM
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# value.
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#
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# Accumulate changes in a local variable and make *one* call to
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# install_name_tool at the end of the function with all the changes at once.
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#
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# VERIFY_BUNDLE_PREREQUISITES(<bundle> <result_var> <info_var>)
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# Verifies that the sum of all prerequisites of all files inside the bundle
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# are contained within the bundle or are "system" libraries, presumed to exist
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# everywhere.
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#
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# VERIFY_BUNDLE_SYMLINKS(<bundle> <result_var> <info_var>)
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# Verifies that any symlinks found in the bundle point to other files that are
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# already also in the bundle... Anything that points to an external file causes
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# this function to fail the verification.
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#
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#=============================================================================
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#=============================================================================
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# Copyright 2008-2009 Kitware, Inc.
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# Copyright 2008-2009 Kitware, Inc.
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@ -43,11 +138,6 @@ get_filename_component(BundleUtilities_cmake_dir "${CMAKE_CURRENT_LIST_FILE}" PA
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include("${BundleUtilities_cmake_dir}/GetPrerequisites.cmake")
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include("${BundleUtilities_cmake_dir}/GetPrerequisites.cmake")
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# get_bundle_main_executable
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#
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# The result will be the full path name of the bundle's main executable file
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# or an "error:" prefixed string if it could not be determined.
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#
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function(get_bundle_main_executable bundle result_var)
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function(get_bundle_main_executable bundle result_var)
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set(result "error: '${bundle}/Contents/Info.plist' file does not exist")
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set(result "error: '${bundle}/Contents/Info.plist' file does not exist")
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@ -109,15 +199,6 @@ function(get_bundle_main_executable bundle result_var)
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endfunction(get_bundle_main_executable)
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endfunction(get_bundle_main_executable)
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# get_dotapp_dir
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#
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# Returns the nearest parent dir whose name ends with ".app" given the full path
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# to an executable. If there is no such parent dir, then return a dir at the same
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# level as the executable, named with the executable's base name and ending with
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# ".app"
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#
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# The returned directory may or may not exist.
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#
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function(get_dotapp_dir exe dotapp_dir_var)
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function(get_dotapp_dir exe dotapp_dir_var)
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set(s "${exe}")
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set(s "${exe}")
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@ -155,13 +236,6 @@ function(get_dotapp_dir exe dotapp_dir_var)
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endfunction(get_dotapp_dir)
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endfunction(get_dotapp_dir)
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# get_bundle_and_executable
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#
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# Takes either a ".app" directory name or the name of an executable
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# nested inside a ".app" directory and returns the path to the ".app"
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# directory in ${bundle_var} and the path to its main executable in
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# ${executable_var}
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#
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function(get_bundle_and_executable app bundle_var executable_var valid_var)
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function(get_bundle_and_executable app bundle_var executable_var valid_var)
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set(valid 0)
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set(valid 0)
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@ -215,11 +289,6 @@ function(get_bundle_and_executable app bundle_var executable_var valid_var)
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endfunction(get_bundle_and_executable)
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endfunction(get_bundle_and_executable)
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# get_bundle_all_executables
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#
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# Scans the given bundle recursively for all executable files and accumulates
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# them into a variable.
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#
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function(get_bundle_all_executables bundle exes_var)
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function(get_bundle_all_executables bundle exes_var)
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set(exes "")
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set(exes "")
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@ -235,15 +304,6 @@ function(get_bundle_all_executables bundle exes_var)
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endfunction(get_bundle_all_executables)
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endfunction(get_bundle_all_executables)
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# get_item_key
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#
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# Given a file (item) name, generate a key that should be unique considering the set of
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# libraries that need copying or fixing up to make a bundle standalone. This is
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# essentially the file name including extension with "." replaced by "_"
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#
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# This key is used as a prefix for CMake variables so that we can associate a set
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# of variables with a given item based on its key.
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#
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function(get_item_key item key_var)
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function(get_item_key item key_var)
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get_filename_component(item_name "${item}" NAME)
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get_filename_component(item_name "${item}" NAME)
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if(WIN32)
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if(WIN32)
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@ -254,14 +314,6 @@ function(get_item_key item key_var)
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endfunction(get_item_key)
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endfunction(get_item_key)
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# clear_bundle_keys
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#
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# Loop over the list of keys, clearing all the variables associated with each
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# key. After the loop, clear the list of keys itself.
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#
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# Caller of get_bundle_keys should call clear_bundle_keys when done with list
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# of keys.
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#
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function(clear_bundle_keys keys_var)
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function(clear_bundle_keys keys_var)
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foreach(key ${${keys_var}})
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foreach(key ${${keys_var}})
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set(${key}_ITEM PARENT_SCOPE)
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set(${key}_ITEM PARENT_SCOPE)
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endfunction(clear_bundle_keys)
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endfunction(clear_bundle_keys)
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# set_bundle_key_values
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#
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# Add a key to the list (if necessary) for the given item. If added,
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# also set all the variables associated with that key.
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#
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function(set_bundle_key_values keys_var context item exepath dirs copyflag)
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function(set_bundle_key_values keys_var context item exepath dirs copyflag)
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get_filename_component(item_name "${item}" NAME)
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get_filename_component(item_name "${item}" NAME)
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endfunction(set_bundle_key_values)
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endfunction(set_bundle_key_values)
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# get_bundle_keys
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#
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# Loop over all the executable and library files within the bundle (and given as
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# extra "${libs}") and accumulate a list of keys representing them. Set values
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# associated with each key such that we can loop over all of them and copy
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# prerequisite libs into the bundle and then do appropriate install_name_tool
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# fixups.
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#
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function(get_bundle_keys app libs dirs keys_var)
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function(get_bundle_keys app libs dirs keys_var)
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set(${keys_var} PARENT_SCOPE)
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set(${keys_var} PARENT_SCOPE)
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endfunction(get_bundle_keys)
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endfunction(get_bundle_keys)
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# copy_resolved_item_into_bundle
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#
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# Copy a resolved item into the bundle if necessary. Copy is not necessary if
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# the resolved_item is "the same as" the resolved_embedded_item.
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#
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function(copy_resolved_item_into_bundle resolved_item resolved_embedded_item)
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function(copy_resolved_item_into_bundle resolved_item resolved_embedded_item)
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if(WIN32)
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if(WIN32)
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# ignore case on Windows
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# ignore case on Windows
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endfunction(copy_resolved_item_into_bundle)
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endfunction(copy_resolved_item_into_bundle)
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# fixup_bundle_item
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#
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# Get the direct/non-system prerequisites of the resolved embedded item. For each
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# prerequisite, change the way it is referenced to the value of the _EMBEDDED_ITEM
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# keyed variable for that prerequisite. (Most likely changing to an "@executable_path"
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# style reference.)
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#
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# Also, change the id of the item being fixed up to its own _EMBEDDED_ITEM value.
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#
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# Accumulate changes in a local variable and make *one* call to install_name_tool
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# at the end of the function with all the changes at once.
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#
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function(fixup_bundle_item resolved_embedded_item exepath dirs)
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function(fixup_bundle_item resolved_embedded_item exepath dirs)
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# This item's key is "ikey":
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# This item's key is "ikey":
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#
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#
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endfunction(fixup_bundle_item)
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endfunction(fixup_bundle_item)
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# fixup_bundle
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#
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# Fix up a bundle in-place and make it standalone, such that it can be drag-n-drop
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# copied to another machine and run on that machine as long as all of the system
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# libraries are compatible.
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#
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# Gather all the keys for all the executables and libraries in a bundle, and then,
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# for each key, copy each prerequisite into the bundle. Then fix each one up according
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# to its own list of prerequisites.
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#
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# Then clear all the keys and call verify_app on the final bundle to ensure that
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# it is truly standalone.
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#
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function(fixup_bundle app libs dirs)
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function(fixup_bundle app libs dirs)
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message(STATUS "fixup_bundle")
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message(STATUS "fixup_bundle")
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message(STATUS " app='${app}'")
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message(STATUS " app='${app}'")
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endfunction(fixup_bundle)
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endfunction(fixup_bundle)
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# copy_and_fixup_bundle
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#
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# Makes a copy of the bundle "src" at location "dst" and then fixes up the
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# new copied bundle in-place at "dst"...
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#
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function(copy_and_fixup_bundle src dst libs dirs)
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function(copy_and_fixup_bundle src dst libs dirs)
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execute_process(COMMAND ${CMAKE_COMMAND} -E copy_directory "${src}" "${dst}")
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execute_process(COMMAND ${CMAKE_COMMAND} -E copy_directory "${src}" "${dst}")
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fixup_bundle("${dst}" "${libs}" "${dirs}")
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fixup_bundle("${dst}" "${libs}" "${dirs}")
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endfunction(copy_and_fixup_bundle)
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endfunction(copy_and_fixup_bundle)
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# verify_bundle_prerequisites
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#
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# Verifies that the sum of all prerequisites of all files inside the bundle
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# are contained within the bundle or are "system" libraries, presumed to exist
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# everywhere.
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#
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function(verify_bundle_prerequisites bundle result_var info_var)
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function(verify_bundle_prerequisites bundle result_var info_var)
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set(result 1)
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set(result 1)
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set(info "")
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set(info "")
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@ -635,12 +633,6 @@ function(verify_bundle_prerequisites bundle result_var info_var)
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endfunction(verify_bundle_prerequisites)
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endfunction(verify_bundle_prerequisites)
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# verify_bundle_symlinks
|
|
||||||
#
|
|
||||||
# Verifies that any symlinks found in the bundle point to other files that are
|
|
||||||
# already also in the bundle... Anything that points to an external file causes
|
|
||||||
# this function to fail the verification.
|
|
||||||
#
|
|
||||||
function(verify_bundle_symlinks bundle result_var info_var)
|
function(verify_bundle_symlinks bundle result_var info_var)
|
||||||
set(result 1)
|
set(result 1)
|
||||||
set(info "")
|
set(info "")
|
||||||
|
@ -654,11 +646,6 @@ function(verify_bundle_symlinks bundle result_var info_var)
|
||||||
endfunction(verify_bundle_symlinks)
|
endfunction(verify_bundle_symlinks)
|
||||||
|
|
||||||
|
|
||||||
# verify_app
|
|
||||||
#
|
|
||||||
# Verifies that an application appears valid based on running analysis tools on it.
|
|
||||||
# Calls message/FATAL_ERROR if the application is not verified.
|
|
||||||
#
|
|
||||||
function(verify_app app)
|
function(verify_app app)
|
||||||
set(verified 0)
|
set(verified 0)
|
||||||
set(info "")
|
set(info "")
|
||||||
|
|
Loading…
Reference in New Issue