--- a/lib/Lalr.d/Makefile.am
+++ b/lib/Lalr.d/Makefile.am
@@ -33,7 +33,7 @@
 all: lalr.ostk calc
 
 install-sources: install
-	mkdir -p $(schemedir)
+	mkdir -p $(DESTDIR)$(schemedir)
 	cp lalr.stk $(DESTDIR)$(schemedir)
 
 uninstall-hook:
--- a/lib/scheme/Makefile.am
+++ b/lib/scheme/Makefile.am
@@ -208,7 +208,7 @@
 	@for i in $(SUBDIRS) ;do \
 	   (cd $$i && $(MAKE) install-sources)\
 	done
-	cp $(scheme_sources) $(schemedir)
+	cp $(scheme_sources) $(DESTDIR)$(schemedir)
 
 install-data-hook:
 	(cd regex && $(MAKE) install)
--- a/lib/scheme/vector/Makefile.am
+++ b/lib/scheme/vector/Makefile.am
@@ -130,8 +130,8 @@
 #======================================================================
 
 install-sources:
-	mkdir -p $(srfidir)
-	cp $(srfi_sources) $(srfi_interm) $(srfidir)
+	mkdir -p $(DESTDIR)$(srfidir)
+	cp $(srfi_sources) $(srfi_interm) $(DESTDIR)$(srfidir)
 
 # we also clean the TAG.stk files -- $(srfi-interm) --, which are NOT
 # srfi_OBJS (should not be installed with other objects):
--- a/lib/stklos/Makefile.am
+++ b/lib/stklos/Makefile.am
@@ -77,7 +77,7 @@
 
 # ======================================================================
 install-sources:
-	cp $(scheme_sources) $(schemedir)
+	cp $(scheme_sources) $(DESTDIR)$(schemedir)
 
 clean:
 	rm -f $(ALL_OBJS) *-incl.c  *~
--- a/lib/streams/Makefile.am
+++ b/lib/streams/Makefile.am
@@ -75,7 +75,7 @@
 
 # ======================================================================
 install-sources:
-	install $(scheme_sources) $(schemedir)
+	install $(scheme_sources) $(DESTDIR)$(schemedir)
 
 clean:
 	rm -f $(ALL_OBJS) *-incl.c  *~
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -108,8 +108,8 @@
 
 
 install-exec-hook:
-	mv $(bindir)/stklos $(bindir)/stklos-@VERSION@
-	ln -s stklos-@VERSION@ $(bindir)/stklos
+	mv $(DESTDIR)$(bindir)/stklos $(DESTDIR)$(bindir)/stklos-@VERSION@
+	ln -s stklos-@VERSION@ $(DESTDIR)$(bindir)/stklos
 
 
 doc:  $(DOCDB)