1 files changed, 4 insertions, 0 deletions
diff --git a/generic/tclPanic.c b/generic/tclPanic.c
index b87a8df..2a453b9 100644
--- a/generic/tclPanic.c
+++ b/generic/tclPanic.c
@@ -52,6 +52,10 @@ Tcl_SetPanicProc(
 #if defined(_WIN32)
     /* tclWinDebugPanic only installs if there is no panicProc yet. */
     if ((proc != tclWinDebugPanic) || (panicProc == NULL))
+#elif defined(__CYGWIN__)
+    if (proc == NULL)
+	panicProc = tclWinDebugPanic;
+    else
 #endif
     panicProc = proc;
 }