optimise

diff --git a/debian/rules b/debian/rules
index 9f9c91f..34ec227 100755 (executable)
--- a/debian/rules
+++ b/debian/rules
@@ -137,14 +137,14 @@ debian/.configure_stamp:
                cp /usr/share/misc/$$x .; \
        done
        mkdir builddir
-       cd builddir && env \
+       cd builddir && exec env \
            $(foreach i,CC CFLAGS CPPFLAGS LDFLAGS,$(call shellexport,$i)) \
            sh ../configure ${CONFIGURE_ARGS}
        @:>$@
 
 debian/.build_stamp: debian/.configure_stamp
        dh_testdir
-       cd builddir && ${MAKE}
+       cd builddir && exec ${MAKE}
        ln -f builddir/joe builddir/jupp
        ln -f builddir/joe.1 builddir/jupp.1
        @:>$@