Current status of SDL.

2026-05-13 19:48:22 +00:00
parent 28e9c4ba18
commit 15bb051619
24 changed files with 1806 additions and 360 deletions
@@ -12,28 +12,111 @@ project(hdk-sdl
 # hdk-sdl OPTIONS
 option(HDK_SDL_TESTS "Build hdk-sdl tests" ${HDK_TESTS})
 option(HDK_SDL_EXAMPLES "Build hdk-sdl examples" ${HDK_EXAMPLES})
+option(HDK_SDL_INSTALL_TARGETS "Enable hdk-sdl install/export stubs" ON)
+option(HDK_SDL_SYSTEM_SDL3 "Use system SDL3 instead of FetchContent for building" OFF)
+option(HDK_SDL_BUNDLE_SDL3 "Build and bundle SDL3 as a static lib with hdk-sdl install" OFF)
+
+if(HDK_SDL_SYSTEM_SDL3 AND HDK_SDL_BUNDLE_SDL3)
+  message(FATAL_ERROR "HDK_SDL_SYSTEM_SDL3 and HDK_SDL_BUNDLE_SDL3 are mutually exclusive")
+endif()
+
 if(HDK_SDL_EXAMPLES)
  add_subdirectory(examples)
 endif()

 # FOR SDL Building
-set(SDL_TEST OFF CACHE BOOL "Disable SDL tests" FORCE)
-set(SDL_EXAMPLES OFF CACHE BOOL "Disable SDL examples" FORCE)
-set(SDL_INSTALL OFF CACHE BOOL "Disable SDL install" FORCE)
-# NOTE: Possibly disable SDL_PIPEWIRE and/or SDL_PIPEWIRE_SHARED?
-include(FetchContent)
-FetchContent_Declare(
-  SDL3
-  GIT_REPOSITORY https://github.com/libsdl-org/SDL.git
-  GIT_TAG release-3.4.8
-)
-FetchContent_MakeAvailable(SDL3)
+if(NOT HDK_SDL_SYSTEM_SDL3)
+  set(SDL_TEST OFF CACHE BOOL "Disable SDL tests" FORCE)
+  set(SDL_EXAMPLES OFF CACHE BOOL "Disable SDL examples" FORCE)
+  set(SDL_INSTALL OFF CACHE BOOL "Disable SDL install" FORCE)
+  # NOTE: Possibly disable SDL_PIPEWIRE and/or SDL_PIPEWIRE_SHARED?
+  
+  if(HDK_SDL_BUNDLE_SDL3)
+    set(SDL_STATIC ON CACHE BOOL "Build SDL3 as static library for bundling" FORCE)
+    set(SDL_SHARED OFF CACHE BOOL "Disable SDL3 shared library for bundling" FORCE)
+  endif()
+  
+  include(FetchContent)
+  FetchContent_Declare(
+    SDL3
+    GIT_REPOSITORY https://github.com/libsdl-org/SDL.git
+    GIT_TAG release-3.4.8
+  )
+  FetchContent_MakeAvailable(SDL3)
+else()
+  find_package(SDL3 REQUIRED)
+endif()
+
+include(GNUInstallDirs)

 add_library(hdk-sdl INTERFACE)
-target_link_libraries(hdk-sdl INTERFACE SDL3::SDL3 hdk-grid)
-target_include_directories(hdk-sdl INTERFACE ${SDL3_SOURCE_DIR}/include ${CMAKE_CURRENT_SOURCE_DIR}/include)
+target_link_libraries(hdk-sdl INTERFACE
+  $<BUILD_INTERFACE:SDL3::SDL3>
+  $<BUILD_INTERFACE:hdk-grid>
+  $<INSTALL_INTERFACE:SDL3::SDL3>
+  $<INSTALL_INTERFACE:hdk::hdk-grid>
+)
+target_include_directories(hdk-sdl INTERFACE
+  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+  $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
+)
 target_compile_features(hdk-sdl INTERFACE cxx_std_17)

+if(HDK_SDL_INSTALL_TARGETS)
+  include(CMakePackageConfigHelpers)
+
+  install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/include/
+    DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+  )
+
+  # Choose config file based on bundle mode
+  if(HDK_SDL_BUNDLE_SDL3)
+    set(_hdk_sdl_config_file hdk-sdlConfig-bundled.cmake.in)
+  else()
+    set(_hdk_sdl_config_file hdk-sdlConfig.cmake.in)
+  endif()
+
+  configure_package_config_file(
+    ${CMAKE_CURRENT_SOURCE_DIR}/cmake/${_hdk_sdl_config_file}
+    ${CMAKE_CURRENT_BINARY_DIR}/hdk-sdlConfig.cmake
+    INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/hdk-sdl
+    PATH_VARS CMAKE_INSTALL_INCLUDEDIR CMAKE_INSTALL_LIBDIR
+  )
+
+  write_basic_package_version_file(
+    ${CMAKE_CURRENT_BINARY_DIR}/hdk-sdlConfigVersion.cmake
+    VERSION ${PROJECT_VERSION}
+    COMPATIBILITY SameMajorVersion
+  )
+
+  install(FILES
+    ${CMAKE_CURRENT_BINARY_DIR}/hdk-sdlConfig.cmake
+    ${CMAKE_CURRENT_BINARY_DIR}/hdk-sdlConfigVersion.cmake
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/hdk-sdl
+  )
+
+  # Bundled SDL3 install rules
+  if(HDK_SDL_BUNDLE_SDL3)
+    install(FILES $<TARGET_FILE:SDL3-static>
+      DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/hdk-sdl/sdl3-static
+    )
+
+    install(DIRECTORY ${sdl3_SOURCE_DIR}/include/
+      DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+    )
+
+    configure_file(
+      ${CMAKE_CURRENT_SOURCE_DIR}/cmake/hdk-sdlBundledSDL3Targets.cmake.in
+      ${CMAKE_CURRENT_BINARY_DIR}/hdk-sdlBundledSDL3Targets.cmake
+      @ONLY
+    )
+
+    install(FILES ${CMAKE_CURRENT_BINARY_DIR}/hdk-sdlBundledSDL3Targets.cmake
+      DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/hdk-sdl
+    )
+  endif()
+endif()
+
 if(HDK_SDL_TESTS)
  add_subdirectory(test)
 endif()