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-rw-r--r--generic/tk.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/generic/tk.h b/generic/tk.h
index f51d793..9403f31 100644
--- a/generic/tk.h
+++ b/generic/tk.h
@@ -17,7 +17,7 @@
#define _TK
#include <tcl.h>
-#if (TCL_MAJOR_VERSION != 8) || (TCL_MINOR_VERSION < 6)
+#if (TCL_MAJOR_VERSION < 8) || (TCL_MAJOR_VERSION == 8) && (TCL_MINOR_VERSION < 6)
# error Tk 8.7 must be compiled with tcl.h from Tcl 8.6 or better
#endif