Add SDL3 library

smokku · smokku · commit 398d6a5556c7 · 2026-01-13T14:33:55.000+01:00
diff --git a/.gitmodules b/.gitmodules
@@ -22,3 +22,6 @@
 [submodule "ext/speexdsp"]
 	path = ext/speexdsp
 	url = https://github.com/xiph/speexdsp.git
+[submodule "ext/SDL"]
+	path = ext/SDL
+	url = https://github.com/libsdl-org/SDL.git
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -54,7 +54,9 @@ add_executable(emu
     ${CMAKE_CURRENT_BINARY_DIR}/version.c
 )
 target_link_libraries(emu
-    PRIVATE common ui imgui-docking imgui-toggle speex-resampler)
+    PRIVATE common ui
+            imgui-docking imgui-toggle speex-resampler
+            SDL3::SDL3)
 
 target_compile_definitions(emu PUBLIC CHIPS_USE_UI)
 
diff --git a/ext/CMakeLists.txt b/ext/CMakeLists.txt
@@ -38,3 +38,16 @@ target_compile_definitions(speex-resampler PUBLIC
     RANDOM_PREFIX=x65_
     FLOATING_POINT
 )
+
+# SDL3 options (keep the vendor build minimal)
+set(SDL_SHARED OFF CACHE BOOL "" FORCE)
+set(SDL_STATIC ON  CACHE BOOL "" FORCE)
+set(SDL_DISABLE_INSTALL ON CACHE BOOL "" FORCE)
+set(SDL_TESTS          OFF CACHE BOOL "" FORCE)
+set(SDL_EXAMPLES       OFF CACHE BOOL "" FORCE)
+set(SDL_TEST_LIBRARY   OFF CACHE BOOL "" FORCE)
+# don't need to show windows
+set(SDL_UNIX_CONSOLE_BUILD  ON CACHE BOOL "" FORCE)
+set(SDL_VIDEO OFF CACHE BOOL "" FORCE)
+set(SDL_AUDIO OFF CACHE BOOL "" FORCE)
+add_subdirectory(SDL EXCLUDE_FROM_ALL)
diff --git a/ext/SDL b/ext/SDL
@@ -0,0 +1 @@
+Subproject commit a962f40bbba175e9716557a25d5d7965f134a3d3

Original file line number	Diff line number	Diff line change
`@@ -54,7 +54,9 @@ add_executable(emu`
`54`	`54`	`${CMAKE_CURRENT_BINARY_DIR}/version.c`
`55`	`55`	`)`
`56`	`56`	`target_link_libraries(emu`
`57`		`- PRIVATE common ui imgui-docking imgui-toggle speex-resampler)`
	`57`	`+ PRIVATE common ui`
	`58`	`+ imgui-docking imgui-toggle speex-resampler`
	`59`	`+ SDL3::SDL3)`
`58`	`60`
`59`	`61`	`target_compile_definitions(emu PUBLIC CHIPS_USE_UI)`
`60`	`62`