From 81583a602d526bf267d2426f84615e512567b29a 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/sim/makefile: Micropolis build fixes for recent macOS

Evaluate SDLINCLUDE and SDLLIB just once, not for every compile.

Remove use of undefined XPMHOME variable.
---
 src/sim/makefile | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/sim/makefile b/src/sim/makefile
index bdf5847..3f29de7 100644
--- a/src/sim/makefile
+++ b/src/sim/makefile
@@ -5,8 +5,8 @@ TCLXHOME = ../tclx
 TCLLIBRARY = /usr/local/lib/tcl
 TKLIBRARY = /usr/local/lib/tk
 
-SDLINCLUDE = $$(/bin/sh ./sdl_helper cflags)
-SDLLIBS = $$(/bin/sh ./sdl_helper libs)
+SDLINCLUDE := $(shell /bin/sh sdl_helper cflags)
+SDLLIBS := $(shell /bin/sh sdl_helper libs)
 
 CC = gcc
 
@@ -31,7 +31,6 @@ INSTALL = install -s
 
 INCLUDES = \
 	-Iheaders \
-	-I$(XPMHOME) \
 	-I$(XINCLUDE) \
 	-I$(TCLHOME) \
 	-I$(TCLXHOME)/src \
-- 
2.39.2