Update build process.

.gitmodules

@@ -0,0 +1,4 @@
+[submodule "pygame_sdl2_windeps"]
+	path = pygame_sdl2_windeps
+	url = https://github.com/renpy/pygame_sdl2_windeps.git
+	branch = master

CMakeLists.txt

@@ -0,0 +1,154 @@
+cmake_minimum_required(VERSION 3.21)
+project(${SKBUILD_PROJECT_NAME} LANGUAGES C)
+
+# Find required packages
+find_package(Python 3.12 EXACT REQUIRED
+    COMPONENTS Interpreter Development.Module Development.Embed)
+find_package(PkgConfig REQUIRED)
+include(UseCython)
+
+# Find SDL2 and related libraries
+pkg_check_modules(SDL2 REQUIRED sdl2)
+pkg_check_modules(SDL2_IMAGE REQUIRED SDL2_image)
+pkg_check_modules(SDL2_TTF REQUIRED SDL2_ttf)
+pkg_check_modules(SDL2_MIXER REQUIRED SDL2_mixer)
+
+# Find additional libraries
+find_library(JPEG_LIBRARY jpeg REQUIRED)
+find_library(PNG_LIBRARY png REQUIRED)
+
+# Global settings
+set(CMAKE_C_STANDARD 99)
+set(CMAKE_C_STANDARD_REQUIRED ON)
+
+# Include directories
+include_directories(
+    ${CMAKE_CURRENT_SOURCE_DIR}
+    ${CMAKE_CURRENT_SOURCE_DIR}/src
+    ${CMAKE_CURRENT_SOURCE_DIR}/include
+    ${SDL2_INCLUDE_DIRS}
+)
+
+set(CYTHON_ARGS
+    -X embedsignature=True
+    -I${CMAKE_CURRENT_SOURCE_DIR}/include)
+
+# Function to create Cython extension
+function(add_cython_extension name)
+    set(options)
+    set(oneValueArgs)
+    set(multiValueArgs SOURCES LIBRARIES)
+    cmake_parse_arguments(ARG "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
+
+    # Convert module name to path
+    string(REPLACE "." "/" module_path ${name})
+    set(pyx_file ${CMAKE_CURRENT_SOURCE_DIR}/src/${module_path}.pyx)
+
+    cython_transpile(${pyx_file} OUTPUT_VARIABLE c_file)
+
+    # Create Python extension
+    python_add_library(${name} MODULE ${c_file} ${ARG_SOURCES})
+
+    # Extract the base filename for the extension
+    get_filename_component(base_filename ${module_path} NAME)
+
+    # Set properties for Python 3.12
+    set_target_properties(${name} PROPERTIES
+        PREFIX ""
+        OUTPUT_NAME ${base_filename}
+    )
+
+    # Link libraries
+    target_link_libraries(${name} PRIVATE
+        ${SDL2_LIBRARIES}
+        ${ARG_LIBRARIES}
+    )
+
+    # Add compile flags
+    target_compile_options(${name} PRIVATE
+        ${SDL2_CFLAGS_OTHER}
+        ${EXTRA_CFLAGS}
+    )
+
+    # Install the extension
+    string(REPLACE "." "/" install_subpath ${name})
+    get_filename_component(install_dir ${install_subpath} DIRECTORY)
+    install(TARGETS ${name} DESTINATION ${install_dir})
+
+endfunction()
+
+# Add all Cython extensions
+add_cython_extension(pygame_sdl2.error)
+add_cython_extension(pygame_sdl2.color)
+add_cython_extension(pygame_sdl2.controller)
+add_cython_extension(pygame_sdl2.rect)
+add_cython_extension(pygame_sdl2.rwobject)
+add_cython_extension(pygame_sdl2.surface
+    SOURCES src/alphablit.c
+)
+add_cython_extension(pygame_sdl2.display)
+add_cython_extension(pygame_sdl2.event)
+add_cython_extension(pygame_sdl2.locals)
+add_cython_extension(pygame_sdl2.key)
+add_cython_extension(pygame_sdl2.mouse)
+add_cython_extension(pygame_sdl2.joystick)
+add_cython_extension(pygame_sdl2.power)
+add_cython_extension(pygame_sdl2.pygame_time)
+add_cython_extension(pygame_sdl2.image
+    SOURCES src/write_jpeg.c src/write_png.c
+    LIBRARIES ${SDL2_IMAGE_LIBRARIES} ${JPEG_LIBRARY} ${PNG_LIBRARY}
+)
+add_cython_extension(pygame_sdl2.transform
+    SOURCES src/SDL2_rotozoom.c
+)
+add_cython_extension(pygame_sdl2.gfxdraw
+    SOURCES src/SDL_gfxPrimitives.c
+)
+add_cython_extension(pygame_sdl2.draw)
+add_cython_extension(pygame_sdl2.font
+    LIBRARIES ${SDL2_TTF_LIBRARIES}
+)
+add_cython_extension(pygame_sdl2.mixer
+    LIBRARIES ${SDL2_MIXER_LIBRARIES}
+)
+add_cython_extension(pygame_sdl2.mixer_music
+    LIBRARIES ${SDL2_MIXER_LIBRARIES}
+)
+add_cython_extension(pygame_sdl2.scrap)
+add_cython_extension(pygame_sdl2.render
+    LIBRARIES ${SDL2_IMAGE_LIBRARIES}
+)
+
+# Install Python modules
+install(
+    DIRECTORY src/pygame_sdl2/
+    DESTINATION pygame_sdl2
+    FILES_MATCHING PATTERN "*.py"
+)
+
+# Install data files
+install(
+    FILES
+        src/pygame_sdl2/DejaVuSans.ttf
+        src/pygame_sdl2/DejaVuSans.txt
+    DESTINATION pygame_sdl2
+)
+
+# Install headers
+install(
+    FILES
+        src/pygame_sdl2/pygame_sdl2.h
+        ${CMAKE_CURRENT_BINARY_DIR}/src/pygame_sdl2/rwobject_api.h
+        ${CMAKE_CURRENT_BINARY_DIR}/src/pygame_sdl2/surface_api.h
+        ${CMAKE_CURRENT_BINARY_DIR}/src/pygame_sdl2/display_api.h
+    DESTINATION include/pygame_sdl2
+)
+
+# Install dlls
+if (WIN32)
+    install(
+        DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/pygame_sdl2_windeps/lib/x64/
+        DESTINATION pygame_sdl2
+        FILES_MATCHING PATTERN "*.dll"
+    )
+endif()

pyproject.toml

@@ -0,0 +1,13 @@
+[project]
+name = "pygame_sdl2"
+version = "2.1.0"
+readme = "README.rst"
+requires-python = "==3.12.*"
+dependencies = []
+
+[build-system]
+requires = ["scikit-build-core>=0.11", "cython>=3.1.0", "cython-cmake"]
+build-backend = "scikit_build_core.build"
+
+[tool.scikit-build]
+build-dir = "build"