Create macOS bundle for simplified installation #58

cmake/functions.cmake

@@ -1,3 +1,7 @@
+if (PROJECT_MACOS_ICNS_NAME)
+  set(PROJECT_MACOS_ICNS_SOURCE "${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_MACOS_ICNS_NAME}")
+endif()
+
 function(set_common_target_options name)
   target_compile_definitions(${name} PUBLIC 
     ${PROJECT_DEFINITIONS}
@@ -31,11 +35,32 @@ function(add_project_executable2 name dependencies libraries headers sources is_
     list(APPEND sources ${PROJECT_WINDOWS_VERSION_RC})
   endif()
 
-  add_executable(${name}
-    ${headers}
-    ${sources}
-    ${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_NAME}/${name}/main.cpp
-  )
+  if (PROJECT_IS_DARWIN AND PROJECT_MACOS_ICNS_SOURCE AND "${name}" STREQUAL "${PROJECT_NAME}")
+    set(PROJECT_MACOS_ICNS_SOURCE "${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_MACOS_ICNS_NAME}")
+    set_source_files_properties(${PROJECT_MACOS_ICNS_SOURCE} PROPERTIES
+      MACOSX_PACKAGE_LOCATION "Resources"
+    )
+
+    add_executable(${name}
+      MACOSX_BUNDLE
+      ${headers}
+      ${sources}
+      ${PROJECT_MACOS_ICNS_SOURCE}
+      ${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_NAME}/${name}/main.cpp
+    )
+
+    set_target_properties(${name} PROPERTIES
+      MACOSX_BUNDLE TRUE
+      MACOSX_BUNDLE_ICON_FILE "${PROJECT_MACOS_ICNS_NAME}"
+      RESOURCE "${PROJECT_MACOS_ICNS_SOURCE}"
+    )
+  else()
+    add_executable(${name}
+      ${headers}
+      ${sources}
+      ${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_NAME}/${name}/main.cpp
+    )
+  endif()
 
   foreach(dependency ${dependencies})
     set_common_target_options(${dependency})