chore: create MACOSX_BUNDLE

this results in a GUI instead of a CMD application on macOS

.github/workflows/macos-x86-64-build.yml

@@ -18,13 +18,16 @@ jobs:
       - name: Bundle libs
         run: ./scripts/bundle-libs-macos.sh
 
+      - name: Move data-directories to app-folder
+        run: mv ./dist/data ./dist/campaign ./dist/gfx ./dist/music ./dist/dunedynasty.app/Contents/MacOS
+
       - name: Copy OS specific files
-        run: cp -r ./dist-os-specific/macos/* ./dist
+        run: cp -rf ./dist-os-specific/macos/* ./dist
 
       - name: Test executable
         run: |
           brew uninstall --force --ignore-dependencies argtable sdl2 dumb libogg flac libpng freetype libvorbis ca-certificates openssl@3 opus opusfile physfs theora giflib jpeg-turbo xz lz4 zstd libtiff webp pcre2 gettext glib lame mpg123 libsndfile portaudio readline allegro fluid-synth mad enet
-          cd dist
+          cd dist/dunedynasty.app/Contents/MacOS
           ./dunedynasty | grep "data directory"
 
       - name: Zip dist folder

CMakeLists.txt

@@ -1,6 +1,7 @@
 cmake_minimum_required(VERSION 2.6 FATAL_ERROR)
 
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR})
+set(CMAKE_OSX_DEPLOYMENT_TARGET "10.15" CACHE STRING "Minimum OS X deployment version")
 
 project(dunedynasty)
 set(DUNE_DYNASTY_VERSION 1.6.3)
@@ -140,9 +141,16 @@ configure_file("${CMAKE_SOURCE_DIR}/include/buildcfg.h.in" "${PROJECT_BINARY_DIR
 include(cmake/FileList.cmake)
 include_directories("include" "${PROJECT_BINARY_DIR}/include")
 
-add_executable(dunedynasty WIN32
+add_executable(dunedynasty WIN32 MACOSX_BUNDLE
 	${DUNEDYNASTY_SRC_FILES} ${CMAKE_SOURCE_DIR}/src/icon/icon.rc)
 
+set_target_properties(dunedynasty PROPERTIES
+    MACOSX_BUNDLE_BUNDLE_NAME "Dune Dynasty"
+    MACOSX_BUNDLE_GUI_IDENTIFIER "io.github.gameflorist.dunedynasty"
+    MACOSX_BUNDLE_BUNDLE_VERSION "${DUNE_DYNASTY_VERSION}"
+    MACOSX_BUNDLE_SHORT_VERSION_STRING "${DUNE_DYNASTY_VERSION}"
+)
+
 target_link_libraries(dunedynasty
 	${OPTIONAL_LIBRARIES}
 	${ALLEGRO5_AUDIO_LDFLAGS}

scripts/bundle-libs-macos.sh

@@ -1,2 +1,2 @@
 #!/bin/bash -e
-dylibbundler -od -cd -x ./dist/dunedynasty -b -d ./dist/libs -p @executable_path/libs/
+dylibbundler -od -cd -x ./dist/dunedynasty.app/Contents/MacOS/dunedynasty -b -d ./dist/dunedynasty.app/Contents/MacOS/libs -p @executable_path/libs/