--- a/Makefile.in
+++ b/Makefile.in
@@ -37,6 +37,8 @@ AUTOCONF = @AUTOCONF@
 AUTOMAKE = @AUTOMAKE@
 AUTOHEADER = @AUTOHEADER@
 
+DESTDIR =
+
 INSTALL = @INSTALL@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@
 INSTALL_DATA = @INSTALL_DATA@
@@ -235,11 +237,11 @@ maintainer-clean-libLTLIBRARIES:
 
 install-libLTLIBRARIES: $(lib_LTLIBRARIES)
 	@$(NORMAL_INSTALL)
-	$(mkinstalldirs) $(libdir)
+	$(mkinstalldirs) $(DESTDIR)$(libdir)
 	@list='$(lib_LTLIBRARIES)'; for p in $$list; do \
 	  if test -f $$p; then \
-	    echo "$(LIBTOOL)  --mode=install $(INSTALL_PROGRAM) $$p $(libdir)/$$p"; \
-	    $(LIBTOOL)  --mode=install $(INSTALL_PROGRAM) $$p $(libdir)/$$p; \
+	    echo "$(LIBTOOL)  --mode=install $(INSTALL_PROGRAM) $$p $(DESTDIR)$(libdir)/$$p"; \
+	    $(LIBTOOL)  --mode=install $(INSTALL_PROGRAM) $$p $(DESTDIR)$(libdir)/$$p; \
 	  else :; fi; \
 	done
 
@@ -289,11 +291,11 @@ maintainer-clean-binPROGRAMS:
 
 install-binPROGRAMS: $(bin_PROGRAMS)
 	@$(NORMAL_INSTALL)
-	$(mkinstalldirs) $(bindir)
+	$(mkinstalldirs) $(DESTDIR)$(bindir)
 	@list='$(bin_PROGRAMS)'; for p in $$list; do \
 	  if test -f $$p; then \
-	    echo " $(LIBTOOL)  --mode=install $(INSTALL_PROGRAM) $$p $(bindir)/`echo $$p|sed '$(transform)'`"; \
-	    $(LIBTOOL)  --mode=install $(INSTALL_PROGRAM) $$p $(bindir)/`echo $$p|sed '$(transform)'`; \
+	    echo " $(LIBTOOL)  --mode=install $(INSTALL_PROGRAM) $$p $(DESTDIR)$(bindir)/`echo $$p|sed '$(transform)'`"; \
+	    $(LIBTOOL)  --mode=install $(INSTALL_PROGRAM) $$p $(DESTDIR)$(bindir)/`echo $$p|sed '$(transform)'`; \
 	  else :; fi; \
 	done
 
@@ -357,21 +359,21 @@ DVIPS = dvips
 
 install-info-am: $(INFO_DEPS)
 	@$(NORMAL_INSTALL)
-	$(mkinstalldirs) $(infodir)
+	$(mkinstalldirs) $(DESTDIR)$(infodir)
 	@for file in $(INFO_DEPS); do \
 	  d=$(srcdir); \
 	  for ifile in `cd $$d && echo $$file $$file-[0-9] $$file-[0-9][0-9]`; do \
 	    if test -f $$d/$$ifile; then \
-	      echo " $(INSTALL_DATA) $$d/$$ifile $(infodir)/$$ifile"; \
-	      $(INSTALL_DATA) $$d/$$ifile $(infodir)/$$ifile; \
+	      echo " $(INSTALL_DATA) $$d/$$ifile $(DESTDIR)$(infodir)/$$ifile"; \
+	      $(INSTALL_DATA) $$d/$$ifile $(DESTDIR)$(infodir)/$$ifile; \
 	    else : ; fi; \
 	  done; \
 	done
 	@$(POST_INSTALL)
 	@if $(SHELL) -c 'install-info --version | sed 1q | fgrep -s -v -i debian' >/dev/null 2>&1; then \
 	  for file in $(INFO_DEPS); do \
-	    echo " install-info --info-dir=$(infodir) $(infodir)/$$file";\
-	    install-info --info-dir=$(infodir) $(infodir)/$$file || :;\
+	    echo " install-info --info-dir=$(infodir) $(DESTDIR)$(infodir)/$$file";\
+	    install-info --info-dir=$(infodir) $(DESTDIR)$(infodir)/$$file || :;\
 	  done; \
 	else : ; fi
 
@@ -412,10 +414,10 @@ maintainer-clean-aminfo:
 
 install-includeHEADERS: $(include_HEADERS)
 	@$(NORMAL_INSTALL)
-	$(mkinstalldirs) $(includedir)
+	$(mkinstalldirs) $(DESTDIR)$(includedir)
 	@list='$(include_HEADERS)'; for p in $$list; do \
-	  echo " $(INSTALL_DATA) $(srcdir)/$$p $(includedir)/$$p"; \
-	  $(INSTALL_DATA) $(srcdir)/$$p $(includedir)/$$p; \
+	  echo " $(INSTALL_DATA) $(srcdir)/$$p $(DESTDIR)$(includedir)/$$p"; \
+	  $(INSTALL_DATA) $(srcdir)/$$p $(DESTDIR)$(includedir)/$$p; \
 	done
 
 uninstall-includeHEADERS:
@@ -508,7 +510,7 @@ all: Makefile $(INFO_DEPS) $(LTLIBRARIES
 install-strip:
 	$(MAKE) INSTALL_PROGRAM='$(INSTALL_PROGRAM) -s' INSTALL_SCRIPT='$(INSTALL_PROGRAM)' install
 installdirs:
-	$(mkinstalldirs)  $(libdir) $(bindir) $(infodir) $(includedir)
+	$(mkinstalldirs)  $(DESTDIR)$(libdir) $(DESTDIR)$(bindir) $(DESTDIR)$(infodir) $(DESTDIR)$(includedir)
 
 
 mostlyclean-generic: