add_definitions(-DUNICODE -D_UNICODE) spec2def(beepmidi ${CMAKE_CURRENT_SOURCE_DIR}/beepmidi.spec ${CMAKE_CURRENT_BINARY_DIR}/beepmidi.def) add_library(beepmidi SHARED beepmidi.c) set_target_properties(beepmidi PROPERTIES LINK_FLAGS "-Wl,-entry,0") target_link_libraries(beepmidi ${CMAKE_CURRENT_BINARY_DIR}/beepmidi.def -lwinmm -lkernel32 -lntdll) add_dependencies(beepmidi beepmidi_def psdk)