--- Makefile.in.orig	2010-04-12 00:37:45 UTC
+++ Makefile.in
@@ -9,18 +9,18 @@ all:
 	done
 
 install: all
-	@if [ ! -d @@PREFIX@@/libexec ]; then \
-		install -d -m 755 @@PREFIX@@/libexec; \
+	@if [ ! -d $(DESTDIR)@@PREFIX@@/libexec ]; then \
+		install -d -m 755 $(DESTDIR)@@PREFIX@@/libexec; \
 	fi
 
-	install -m 555 $$PWD/out/ppf_* @@PREFIX@@/libexec
+	install -m 555 $$PWD/out/ppf_* $(DESTDIR)@@PREFIX@@/libexec
 
-	@if [ ! -d @@PREFIX@@/bin ]; then \
-		install -d -m 755 @@PREFIX@@/bin; \
+	@if [ ! -d $(DESTDIR)@@PREFIX@@/bin ]; then \
+		install -d -m 755 $(DESTDIR)@@PREFIX@@/bin; \
 	fi
 
-	ln -sf @@PREFIX@@/libexec/ppf_mime @@PREFIX@@/bin/ppf_mime
-	ln -sf @@PREFIX@@/libexec/ppf_mime_decrypt @@PREFIX@@/bin/ppf_mime_decrypt
+	ln -sf @@PREFIX@@/libexec/ppf_mime $(DESTDIR)@@PREFIX@@/bin/ppf_mime
+	ln -sf @@PREFIX@@/libexec/ppf_mime_decrypt $(DESTDIR)@@PREFIX@@/bin/ppf_mime_decrypt
 
 clean:
 	@if [ -d "$$PWD/out" ]; then \