FindSDL2

CMakeLists.txt

@@ -57,7 +57,7 @@ if(DUSK_TARGET_SYSTEM STREQUAL "linux")
   find_package(SDL2 REQUIRED)
   find_package(OpenGL REQUIRED)
   target_link_libraries(${DUSK_TARGET_NAME} PRIVATE 
-    SDL2::SDL2
+    SDL2
     OpenGL::GL
     GL
   )

cmake/modules/FindSDL2.cmake

@@ -0,0 +1,42 @@
+# Try to find SDL2 in common locations
+find_path(SDL2_INCLUDE_DIR SDL.h
+  PATHS
+    /usr/include/SDL2
+    /usr/local/include/SDL2
+    $ENV{SDL2_DIR}/include
+  PATH_SUFFIXES SDL2
+)
+
+find_library(SDL2_LIBRARY
+  NAMES SDL2
+  PATHS
+    /usr/lib
+    /usr/local/lib
+    $ENV{SDL2_DIR}/lib
+)
+
+if(SDL2_INCLUDE_DIR AND SDL2_LIBRARY)
+  set(SDL2_FOUND TRUE)
+  set(SDL2_LIBRARIES ${SDL2_LIBRARY})
+  set(SDL2_INCLUDE_DIRS ${SDL2_INCLUDE_DIR})
+endif()
+
+# If not found, use FetchContent to acquire SDL2
+if(NOT SDL2_FOUND)
+  include(FetchContent)
+  FetchContent_Declare(
+    SDL2
+    GIT_REPOSITORY https://github.com/libsdl-org/SDL.git
+    GIT_TAG release-2.28.5 # Change to desired version
+  )
+  FetchContent_MakeAvailable(SDL2)
+  set(SDL2_FOUND TRUE)
+  set(SDL2_LIBRARIES SDL2)
+  set(SDL2_INCLUDE_DIRS ${sdl2_SOURCE_DIR}/include)
+endif()
+
+# Provide variables for downstream usage
+if(SDL2_FOUND)
+  set(SDL2_INCLUDE_DIR ${SDL2_INCLUDE_DIRS} CACHE PATH "SDL2 include directory")
+  set(SDL2_LIBRARY ${SDL2_LIBRARIES} CACHE FILEPATH "SDL2 library")
+endif()