diff -rupN ilmbase-2.1.0/IlmThread/Makefile.am ilmbase-2.1.0-new/IlmThread/Makefile.am
--- ilmbase-2.1.0/IlmThread/Makefile.am	2013-06-18 21:51:38.000000000 +0200
+++ ilmbase-2.1.0-new/IlmThread/Makefile.am	2013-12-26 21:25:06.201173876 +0100
@@ -6,9 +6,8 @@ libIlmThread_la_SOURCES = IlmThreadPool.
 			  IlmThreadSemaphore.h IlmThreadMutex.h \
 			  IlmThreadPool.cpp IlmThread.cpp \
 			  IlmThreadSemaphore.cpp IlmThreadMutex.cpp \
-			  IlmThreadPosix.cpp IlmThreadSemaphorePosix.cpp \
-			  IlmThreadSemaphorePosixCompat.cpp \
-			  IlmThreadMutexPosix.cpp
+			  IlmThreadWin32.cpp IlmThreadSemaphoreWin32.cpp \
+			  IlmThreadMutexWin32.cpp
 
 libIlmThread_la_LDFLAGS = -version-info @LIBTOOL_VERSION@ -no-undefined
 if LIB_SUFFIX_EXISTS