add source code

CMakeLists.txt

@@ -0,0 +1,14 @@
+cmake_minimum_required(VERSION 3.16)
+
+project(sdl-thread LANGUAGES C)
+
+find_package(SDL2 REQUIRED)
+add_executable(sdl-thread main.c)
+
+include(GNUInstallDirs)
+install(TARGETS sdl-thread
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+)
+
+target_link_libraries(${PROJECT_NAME} PRIVATE SDL2::SDL2)