--- a/Makefile	Fri Jan 13 23:29:39 2012 +0200
+++ b/Makefile	Fri Jan 13 23:41:20 2012 +0200
@@ -14,7 +14,9 @@
 #
 # You can override such variables in Makefile.config:
 #
-#   SF_USER     SourceForge user name
+#   SF_USER     SourceForge user name.
+#   prefix      Prefix to install path.
+#   DESTDIR     Prefix to 'prefix' variable value.
 
 SHELL = /bin/sh
 export PATH := /bin:/usr/bin:${PATH}
@@ -77,6 +79,10 @@
 ################################################################
 # Build tools definition/switches.
 
+INSTALL = install
+INSTALL_PROGRAM = $(INSTALL)
+INSTALL_DATA = $(INSTALL) -m 644
+
 RST_WARNING_FLAGS := --halt warning
 RST_FLAGS := --strip-comments
 RST_FLAGS += $(RST_WARNING_FLAGS)
@@ -97,7 +103,7 @@
     prefix = $(HOME)/usr
   endif
 endif
-datarootdir = $(prefix)/share
+datarootdir := $(DESTDIR)$(prefix)/share
 datadir = $(datarootdir)/dictd
 
 ################################################################
@@ -230,7 +236,7 @@
 install: dist
 	mkdir -p $(datadir)
 	for f in $(DICTDZ_FILES) $(INDEX_FILES); do \
-		install -m 644 $$f $(datadir); \
+		$(INSTALL_DATA) $$f $(datadir); \
 	done
 
 .PHONY: uninstall