diff -up ./Makefile.common.in.orig ./Makefile.common.in
--- ./Makefile.common.in.orig	2018-07-29 19:51:58.764376222 +0300
+++ ./Makefile.common.in	2018-07-29 19:53:32.047341208 +0300
@@ -69,9 +69,9 @@ man1dir = $(mandir)/man1
 
 # ------------------- defines -------------------------
 
-INSTALL_BIN = echo installing $$file to $(bindir);$(INSTALL_PROGRAM) $$file $(bindir)/`echo $$file|sed 's/$(EXEEXT)$$//'|sed '$(transform)'|sed 's/$$/$(EXEEXT)/'`
+INSTALL_BIN = echo installing $$file to $(DESTDIR)$(bindir);$(INSTALL_PROGRAM) $$file $(DESTDIR)$(bindir)/`echo $$file|sed 's/$(EXEEXT)$$//'|sed '$(transform)'|sed 's/$$/$(EXEEXT)/'`
 UNINSTALL_BIN = ff=`echo $$file|sed 's/$(EXEEXT)$$//'|sed '$(transform)'|sed 's/$$/$(EXEEXT)/'`;echo rm -f $(bindir)/$$ff;rm -f $(bindir)/$$ff
-INSTALL_MAN1 = ff=$(srcdir)/$$file.1; inst=`echo $$file | sed '$(transform)'`.1; echo "$(INSTALL_DATA) $$ff $(man1dir)/$$inst"; $(INSTALL_DATA) $$ff $(man1dir)/$$inst
+INSTALL_MAN1 = ff=$(srcdir)/$$file.1; inst=`echo $$file | sed '$(transform)'`.1; echo "$(INSTALL_DATA) $$ff $(DESTDIR)$(man1dir)/$$inst"; $(INSTALL_DATA) $$ff $(DESTDIR)$(man1dir)/$$inst
 UNINSTALL_MAN1 = ff=$(srcdir)/$$file.1; inst=`echo $$file | sed '$(transform)'`.1; echo "rm -f $(man1dir)/$$inst"; rm -f $(man1dir)/$$inst
 
 #%.o: %.c
diff -up ./swfs/Makefile.in.orig ./swfs/Makefile.in
--- ./swfs/Makefile.in.orig	2018-07-29 19:54:12.348622179 +0300
+++ ./swfs/Makefile.in	2018-07-29 19:55:27.050996584 +0300
@@ -34,15 +34,15 @@ PreLoaderTemplate.swf: $(programs)
 	./PreLoaderTemplate$(E) || true
 
 install:
-	$(mkinstalldirs) $(pkgdatadir)
-	$(mkinstalldirs) $(pkgdatadir)/swfs
-	$(INSTALL_DATA) ./simple_viewer.swf $(pkgdatadir)/swfs/simple_viewer.swf
-	$(INSTALL_DATA) ./keyboard_viewer.swf $(pkgdatadir)/swfs/keyboard_viewer.swf
-	$(INSTALL_DATA) ./PreLoaderTemplate.swf $(pkgdatadir)/swfs/PreLoaderTemplate.swf
-	$(INSTALL_DATA) ./tessel_loader.swf $(pkgdatadir)/swfs/tessel_loader.swf
-	$(INSTALL_DATA) ./swft_loader.swf $(pkgdatadir)/swfs/swft_loader.swf
-	$(LN_S) -f $(pkgdatadir)/swfs/simple_viewer.swf $(pkgdatadir)/swfs/default_viewer.swf
-	$(LN_S) -f $(pkgdatadir)/swfs/tessel_loader.swf $(pkgdatadir)/swfs/default_loader.swf
+	$(mkinstalldirs) $(DESTDIR)$(pkgdatadir)
+	$(mkinstalldirs) $(DESTDIR)$(pkgdatadir)/swfs
+	$(INSTALL_DATA) ./simple_viewer.swf $(DESTDIR)$(pkgdatadir)/swfs/simple_viewer.swf
+	$(INSTALL_DATA) ./keyboard_viewer.swf $(DESTDIR)$(pkgdatadir)/swfs/keyboard_viewer.swf
+	$(INSTALL_DATA) ./PreLoaderTemplate.swf $(DESTDIR)$(pkgdatadir)/swfs/PreLoaderTemplate.swf
+	$(INSTALL_DATA) ./tessel_loader.swf $(DESTDIR)$(pkgdatadir)/swfs/tessel_loader.swf
+	$(INSTALL_DATA) ./swft_loader.swf $(DESTDIR)$(pkgdatadir)/swfs/swft_loader.swf
+	$(LN_S) -f $(pkgdatadir)/swfs/simple_viewer.swf $(DESTDIR)$(pkgdatadir)/swfs/default_viewer.swf
+	$(LN_S) -f $(pkgdatadir)/swfs/tessel_loader.swf $(DESTDIR)$(pkgdatadir)/swfs/default_loader.swf
 		
 uninstall:
 	$(UNINSTALL_DATA) $(pkgdatadir)/swfs/simple_viewer.swf
diff -up ./src/Makefile.in.orig ./src/Makefile.in
--- ./src/Makefile.in.orig	2018-07-29 20:04:35.468431990 +0300
+++ ./src/Makefile.in	2018-07-29 20:05:45.530701762 +0300
@@ -134,8 +134,8 @@ swfc$(E): parser.$(O) swfc.$(O) swfc-fee
 	$(STRIP) $@
 
 install:
-	$(mkinstalldirs) $(bindir)
-	$(mkinstalldirs) $(man1dir)
+	$(mkinstalldirs) $(DESTDIR)$(bindir)
+	$(mkinstalldirs) $(DESTDIR)$(man1dir)
 	@for file in $(install_programs); do if test -f $$file;then $(INSTALL_BIN);$(INSTALL_MAN1);fi;done
 	
 uninstall: