--- Makefile.conf.orig	2016-08-01 12:39:16 UTC
+++ Makefile.conf
@@ -164,7 +164,8 @@ install: $(INSTALL)
 install_scid: all_scid
 	install -m 755 -d "$(DESTDIR)$(SHAREDIR)"
 	install -m 755 -d "$(DESTDIR)$(BINDIR)"
-	install -m 755 $(SCRIPTS) $(EXECS) "$(DESTDIR)$(BINDIR)"
+	install -m 755 $(SCRIPTS) "$(DESTDIR)$(BINDIR)"
+	install -s $(EXECS) "$(DESTDIR)$(BINDIR)"
 	rm -f "$(DESTDIR)$(BINDIR)/scid"
 	@echo "#!/bin/sh" > "$(DESTDIR)$(BINDIR)/scid"
 	@echo 'exec "$(BINDIR)/tkscid" "$(SHAREDIR)/tcl/start.tcl" "$$@"' >> "$(DESTDIR)$(BINDIR)/scid"
@@ -172,7 +173,7 @@ install_scid: all_scid
 	chmod +x "$(DESTDIR)$(BINDIR)/scid"
 	install -m 644 -p scid.eco "$(DESTDIR)$(SHAREDIR)"
 	install -m 755 -d "$(DESTDIR)$(SHAREDIR)/books"
-	install -m 666 ./books/*.* "$(DESTDIR)$(SHAREDIR)/books/"
+	install -m 644 ./books/*.* "$(DESTDIR)$(SHAREDIR)/books/"
 	install -m 755 -d "$(DESTDIR)$(SHAREDIR)/bases"
 	if test -d ./bases; then install -m 666 ./bases/*.* "$(DESTDIR)$(SHAREDIR)/bases/" ; fi
 	install -m 755 -d "$(DESTDIR)$(SHAREDIR)/html"
@@ -185,9 +186,9 @@ install_scid: all_scid
 install_engines: all_engines
 	install -m 755 -d "$(DESTDIR)$(SHAREDIR)/engines"
 	install -m 755 -d "$(DESTDIR)$(SHAREDIR)/engines/phalanx-scid"
-	install ./engines/phalanx-scid/phalanx-scid "$(DESTDIR)$(SHAREDIR)/engines/phalanx-scid"
+	install -s ./engines/phalanx-scid/phalanx-scid "$(DESTDIR)$(SHAREDIR)/engines/phalanx-scid"

 install_mac: all
 	install -m 755 -d dist/Scid.app/Contents/MacOS