/* ========================================================================= */
-#if USE_WIN32_THREADS
+#if USE_WINDOWS_THREADS
# define WIN32_LEAN_AND_MEAN /* avoid including junk */
# include <windows.h>
/* ========================================================================= */
-#if !(USE_POSIX_THREADS || USE_PTH_THREADS || USE_SOLARIS_THREADS || USE_WIN32_THREADS)
+#if !(USE_POSIX_THREADS || USE_PTH_THREADS || USE_SOLARIS_THREADS || USE_WINDOWS_THREADS)
/* Provide dummy implementation if threads are not supported. */