Moves submodule libraries to external folder (#96)

Author: LiquidityC

.gitmodules

@@ -1,16 +1,12 @@
-[submodule "lib/SDL"]
-	path = lib/SDL
+[submodule "external/SDL"]
+	path = external/SDL
 	url = https://github.com/libsdl-org/SDL
-	branch = SDL2
-[submodule "lib/SDL_image"]
-	path = lib/SDL_image
+[submodule "external/SDL_image"]
+	path = external/SDL_image
 	url = https://github.com/libsdl-org/SDL_image
-	branch = SDL2
-[submodule "lib/SDL_ttf"]
-	path = lib/SDL_ttf
-	url = https://github.com/libsdl-org/SDL_ttf
-	branch = SDL2
-[submodule "lib/SDL_mixer"]
-	path = lib/SDL_mixer
+[submodule "external/SDL_mixer"]
+	path = external/SDL_mixer
 	url = https://github.com/libsdl-org/SDL_mixer
-	branch = SDL2
+[submodule "external/SDL_ttf"]
+	path = external/SDL_ttf
+	url = https://github.com/libsdl-org/SDL_ttf

CMakeLists.txt

@@ -120,7 +120,7 @@ endif ()
 set(SDL_STATIC ON)
 set(SDL_SHARED OFF)
 set(SDL_TEST OFF)
-add_subdirectory(lib/SDL)
+add_subdirectory(external/SDL)
 set(SDL_INCLUDE_DIR lib/SDL/include)
 set(SDL_LIBRARY SDL3-static)
 
@@ -144,18 +144,18 @@ set(SDLIMAGE_WEBP OFF)
 set(SDLIMAGE_XCF OFF)
 set(SDLIMAGE_XPM OFF)
 set(SDLIMAGE_XV OFF)
-add_subdirectory(lib/SDL_image)
+add_subdirectory(external/SDL_image)
 set(SDL_IMAGE_INCLUDE_DIR lib/SDL_image/include)
 set(SDL_IMAGE_LIBRARY SDL3_image-static)
 
 # opusfile caused issues in macos build and we don't need it anyways
 set(SDLMIXER_OPUS OFF)
-add_subdirectory(lib/SDL_mixer)
+add_subdirectory(external/SDL_mixer)
 set(SDL_MIXER_INCLUDE_DIR lib/SDL_mixer/include)
 set(SDL_MIXER_LIBRARY SDL3_mixer-static)
 
 set(SDLTTF_VENDORED ON)
-add_subdirectory(lib/SDL_ttf)
+add_subdirectory(external/SDL_ttf)
 set(SDL_TTF_INCLUDE_DIR lib/SDL_ttf/include)
 set(SDL_TTF_LIBRARY SDL3_ttf-static)