(Quoting Laurence Lane:)

The prefix is correctly set for /usr, but is
overridden with the current make install. DESTDIR is the clean way to
relocate the installation into the debian/tmp build dir.

diff --git a/debian/rules b/debian/rules
index 34fcb9b..91c6ac6 100644 (file)
--- a/debian/rules
+++ b/debian/rules
@@ -32,7 +32,7 @@ install: build
        dh_clean -k
        dh_installdirs
 
-       $(MAKE) install prefix=`pwd`/debian/tmp/usr
+       $(MAKE) install DESTDIR=`pwd`/debian/tmp/usr
        mkdir -p `pwd`/debian/tmp/etc/tinc/example
        cp doc/tinc.conf.sample `pwd`/debian/tmp/etc/tinc/example/tinc.conf
        ln -s /usr/share/doc/tinc/README.Debian `pwd`/debian/tmp/etc/tinc/example/README