diff -up asl-current/Makefile.destdir asl-current/Makefile

--- asl-current/Makefile.destdir	2018-03-28 15:09:51.000000000 -0600

+++ asl-current/Makefile	2018-03-30 11:51:33.385802518 -0600

@@ -3,6 +3,8 @@ include Makefile.def

 CURRDIR=./

 DATE=`date +"%d%m%Y"`

+DESTDIR=

+

 include makedefs.src

 include objdefs.unix

@@ -75,7 +77,7 @@ test: $(ALLTARGETS)

 	cd tests; ./testall "$(TESTDIRS)"

 install: $(ALLTARGETS)

-	PREFIX=$(PREFIX) ./install.sh $(BINDIR) $(INCDIR) $(MANDIR) $(LIBDIR) $(DOCDIR)

+	PREFIX=$(PREFIX) ./install.sh $(DESTDIR)$(BINDIR) $(DESTDIR)$(INCDIR) $(DESTDIR)$(MANDIR) $(DESTDIR)$(LIBDIR) $(DOCDIR)

 clean:

 	rm -f $(ALLTARGETS) $(RESCOMPTARGET) $(TEX2DOCTARGET) $(TEX2HTMLTARGET) *$(HOST_OBJEXTENSION) *$(TARG_OBJEXTENSION) *.p *.rsc tests/testlog testlog