diff --git a/src/twisted/internet/iocpreactor/iocpsupport/iocpsupport.c b/src/twisted/internet/iocpreactor/iocpsupport/iocpsupport.c
diff --git a/src/twisted/internet/iocpreactor/iocpsupport/iocpsupport.pyx b/src/twisted/internet/iocpreactor/iocpsupport/iocpsupport.pyx
diff --git a/src/twisted/internet/iocpreactor/iocpsupport/winsock_pointers.c b/src/twisted/internet/iocpreactor/iocpsupport/winsock_pointers.c
diff --git a/src/twisted/internet/iocpreactor/iocpsupport/winsock_pointers.h b/src/twisted/internet/iocpreactor/iocpsupport/winsock_pointers.h
diff --git a/src/twisted/internet/iocpreactor/iocpsupport/wsarecv.pxi b/src/twisted/internet/iocpreactor/iocpsupport/wsarecv.pxi
diff --git a/src/twisted/internet/iocpreactor/iocpsupport/wsasend.pxi b/src/twisted/internet/iocpreactor/iocpsupport/wsasend.pxi
diff --git a/src/twisted/internet/iocpreactor/setup.py b/src/twisted/internet/iocpreactor/setup.py
diff --git a/src/twisted/internet/test/test_iocp.py b/src/twisted/internet/test/test_iocp.py
@@ -6,6 +6,7 @@
 """
 
 import errno
+import sys
 import time
 from array import array
 from struct import pack
@@ -29,6 +30,9 @@
     from twisted.internet.iocpreactor.const import SO_UPDATE_ACCEPT_CONTEXT
     from twisted.internet.iocpreactor.abstract import FileHandle
 except ImportError:
+    if sys.platform == "win32":
+        raise
+
     skip = "This test only applies to IOCPReactor"
 
 try:

diff --git a/src/twisted/newsfragments/10029.misc b/src/twisted/newsfragments/10029.misc
@@ -0,0 +1,2 @@
+twisted.internet.iocpreactor.iocpsupport was moved to a separate package.
+With this change the main Twisted package is a OS independent wheel.
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		twisted.internet.iocpreactor.iocpsupport was moved to a separate package.
		With this change the main Twisted package is a OS independent wheel.