From 753d72ecb98f0d5f0543851fda4d246b4cc97ce9 Mon Sep 17 00:00:00 2001
From: Ryan Schmidt <ryandesign@macports.org>
Date: Wed, 18 May 2022 05:53:08 -0500
Subject: [PATCH] src/tk/tkevent.c: Micropolis build fixes for recent macOS

Fix:
tkevent.c:682:3: error: implicit declaration of function 'TkWmProtocolEventProc' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
                TkWmProtocolEventProc(winPtr, eventPtr);
                ^
tkevent.c:1447:5: error: implicit declaration of function 'Tcl_CheckForSignal' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
if (Tcl_CheckForSignal (tk_mainInterp, TCL_OK) == TCL_ERROR)
    ^
tkevent.c:1512:5: error: implicit declaration of function 'Tcl_CheckForSignal' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
if (Tcl_CheckForSignal (tk_mainInterp, TCL_OK) == TCL_ERROR)
    ^
---
 src/tk/tkevent.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/tk/tkevent.c b/src/tk/tkevent.c
index 5e2c654..0e9deb0 100644
--- a/src/tk/tkevent.c
+++ b/src/tk/tkevent.c
@@ -21,6 +21,8 @@ static char rcsid[] = "$Header: /user6/ouster/wish/RCS/tkEvent.c,v 1.60 92/08/21
 
 #include "tkconfig.h"
 #include "tkint.h"
+#include "tclxtend.h"
+#include "tkwm.h"
 #include <errno.h>
 #include <signal.h>
 #include <sys/time.h>
-- 
2.39.2