Add limb everywhere. eliminate redundant elsif()

src/xpdev/CMakeLists.txt

@@ -91,19 +91,17 @@ elseif(CMAKE_SYSTEM_NAME STREQUAL "Haiku")
 	target_link_libraries(xpdev m)
 	target_link_libraries(xpdev network)
 elseif(CMAKE_SYSTEM_NAME STREQUAL "NetBSD")
-	target_link_libraries(xpdev ossaudio)
+	target_link_libraries(xpdev ossaudio m)
 elseif(CMAKE_SYSTEM_NAME STREQUAL "OpenBSD")
-	target_link_libraries(xpdev ossaudio)
+	target_link_libraries(xpdev ossaudio m)
 elseif(CMAKE_SYSTEM_NAME STREQUAL "SunOS")
-	target_link_libraries(xpdev socket)
+	target_link_libraries(xpdev socket m)
 elseif(CMAKE_SYSTEM_NAME STREQUAL "OS X")
-	target_link_libraries(xpdev)
+	target_link_libraries(xpdev m)
 elseif(CMAKE_SYSTEM_NAME STREQUAL "QNX")
-	target_link_libraries(xpdev)
+	target_link_libraries(xpdev m)
 elseif(CMAKE_SYSTEM_NAME STREQUAL "Linux")
-	target_link_libraries(xpdev)
-elseif(WIN32)
-	target_link_libraries(xpdev ws2_32 winmm)
+	target_link_libraries(xpdev m)
 endif()
 target_link_libraries(xpdev ${CMAKE_THREAD_LIBS_INIT})