1 files changed, 6 insertions, 0 deletions
diff --git a/win/configure b/win/configure
index b675b38..3537756 100755
--- a/win/configure
+++ b/win/configure
@@ -2967,6 +2967,12 @@ _ACEOF
 #define USE_THREAD_ALLOC 1
 _ACEOF
 
+	# USE_THREAD_STORAGE tells us to use the new generic thread
+	# storage subsystem.
+	cat >>confdefs.h <<\_ACEOF
+#define USE_THREAD_STORAGE 1
+_ACEOF
+
     else
 	TCL_THREADS=0
 	echo "$as_me:$LINENO: result: no (default)" >&5