Makefile: Micropolis build fixes for recent macOS

Hide the sim executable in an appropriately-named subdirectory of libexec
rather than directly in libexec.

In the micropolis wrapper script, use a shebang line, use exec so that the
shell doesn't stay around, and quote user-supplied arguments properly.

diff --git a/Makefile b/Makefile
index 3f55dcc1da21ed0eb9ab6c9555c1a0db1b91e5b9..dc804a4c9923af3533ba3bbcb8610dbccddfd535 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 PREFIX=/usr/local
 DATADIR=$(PREFIX)/share/micropolis
-LIBEXECDIR=$(PREFIX)/libexec
+LIBEXECDIR=$(PREFIX)/libexec/micropolis
 BINDIR=$(PREFIX)/bin
 DOCDIR=$(PREFIX)/share/doc/micropolis
 PIXMAPDIR=$(PREFIX)/share/pixmaps
@@ -64,9 +64,10 @@ install-dirs:
 install-bin:
        $(INSTALL) -m 0755 res/sim $(DESTDIR)/$(LIBEXECDIR)/sim
        $(INSTALL) -m 0755 res/sounds/player $(DESTDIR)/$(DATADIR)/res/sounds/player
-       echo "SIMHOME=$(DATADIR); export SIMHOME" >$(DESTDIR)/$(BINDIR)/micropolis
+       echo "#!/bin/sh" >$(DESTDIR)/$(BINDIR)/micropolis
+       echo "SIMHOME=$(DATADIR); export SIMHOME" >>$(DESTDIR)/$(BINDIR)/micropolis
        echo "echo \"Starting Micropolis in \$${SIMHOME} ... \"" >>$(DESTDIR)/$(BINDIR)/micropolis
-       echo "cd $(DATADIR) && $(LIBEXECDIR)/sim \$$*" >>$(DESTDIR)/$(BINDIR)/micropolis
+       echo "cd $(DATADIR) && exec $(LIBEXECDIR)/sim \"\$$@\"" >>$(DESTDIR)/$(BINDIR)/micropolis
        chmod 755 $(DESTDIR)/$(BINDIR)/micropolis
 
 install-res: install-res-sounds install-res-dejavu-lgc