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.

diff --git a/src/sim/makefile b/src/sim/makefile
index bdf58472a6e1aa166281b2d9a0602b46ddf1d9f2..3f29de75539fbab2e3b1522b9fc84ed8b7a7ee73 100644 (file)
--- 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 \