+prefix := debian/$(pkg)
+prefix-help := debian/$(pkg-help)
+prefix-doc := debian/$(pkg-doc)
+prefix-doc-pdf := debian/$(pkg-doc-pdf)
+
+DESTDIR := `pwd`/$(prefix)
+HELPDIR := `pwd`/$(prefix-help)/usr/share/ctsim
+DOCDIR := $(prefix-doc)/usr/share/doc/ctsim-doc
+PDFDIR := $(prefix-doc-pdf)/usr/share/doc/ctsim-doc-pdf
+
+INSTALL := install