Copy OpenAL DLL alongside executable

Author: ChrisThrasher

CMakeLists.txt

@@ -13,4 +13,12 @@ add_executable(CMakeSFMLProject src/main.cpp)
 target_link_libraries(CMakeSFMLProject PRIVATE sfml-graphics)
 target_compile_features(CMakeSFMLProject PRIVATE cxx_std_17)
 
+if(WIN32)
+    add_custom_command(
+        TARGET CMakeSFMLProject
+        COMMENT "Copy OpenAL DLL"
+        PRE_BUILD COMMAND ${CMAKE_COMMAND} -E copy ${SFML_SOURCE_DIR}/extlibs/bin/$<IF:$<BOOL:${ARCH_64BITS}>,x64,x86>/openal32.dll $<TARGET_FILE_DIR:CMakeSFMLProject>
+        VERBATIM)
+endif()
+
 install(TARGETS CMakeSFMLProject)