Add a verbatim copy of CMake's default MacOSXBundleInfo.plist.in

We'll customise it next (ie for issue #9).

src/cli/CMakeLists.txt

@@ -33,7 +33,7 @@ set(DokitCliSources
 )
 
 if(${CMAKE_VERSION} VERSION_LESS "3.12.0")
-  add_executable(cli MACOSX_BUNDLE main.cpp ${DokitCliSources})
+  add_executable(cli main.cpp ${DokitCliSources})
 else()
   # We put all but main.cpp into a shared 'object' library so
   # our app unit tests can link against the same binary objects.
@@ -45,13 +45,22 @@ else()
     PRIVATE Qt${QT_VERSION_MAJOR}::Core
     PRIVATE Qt${QT_VERSION_MAJOR}::Bluetooth)
 
-  add_executable(cli MACOSX_BUNDLE main.cpp)
+  add_executable(cli main.cpp)
 
   target_link_libraries(cli PRIVATE cli-lib)
 endif()
 
 set_target_properties(cli PROPERTIES OUTPUT_NAME dokit)
 
+# Add a custom Info.plist file to the app bundle.
+if(APPLE)
+  set_target_properties(
+    cli
+    PROPERTIES
+      MACOSX_BUNDLE true
+      MACOSX_BUNDLE_INFO_PLIST ${CMAKE_CURRENT_SOURCE_DIR}/Info.plist.in)
+endif()
+
 # Only include localisation for Qt6+ for now. We could support Qt5
 # too, but we'd need to manually implement some of Qt6's CMake
 # functions, which would be easier if we had a bespoke qrc file.

src/cli/Info.plist.in

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>English</string>
+	<key>CFBundleExecutable</key>
+	<string>${MACOSX_BUNDLE_EXECUTABLE_NAME}</string>
+	<key>CFBundleGetInfoString</key>
+	<string>${MACOSX_BUNDLE_INFO_STRING}</string>
+	<key>CFBundleIconFile</key>
+	<string>${MACOSX_BUNDLE_ICON_FILE}</string>
+	<key>CFBundleIdentifier</key>
+	<string>${MACOSX_BUNDLE_GUI_IDENTIFIER}</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleLongVersionString</key>
+	<string>${MACOSX_BUNDLE_LONG_VERSION_STRING}</string>
+	<key>CFBundleName</key>
+	<string>${MACOSX_BUNDLE_BUNDLE_NAME}</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>${MACOSX_BUNDLE_SHORT_VERSION_STRING}</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>${MACOSX_BUNDLE_BUNDLE_VERSION}</string>
+	<key>CSResourcesFileMapped</key>
+	<true/>
+	<key>NSHumanReadableCopyright</key>
+	<string>${MACOSX_BUNDLE_COPYRIGHT}</string>
+</dict>
+</plist>