"./configure --config-cache" is working again.

diff --git a/debian/rules b/debian/rules
index 0968089..cd0eaef 100755 (executable)
--- a/debian/rules
+++ b/debian/rules
@@ -49,6 +49,7 @@ stamp-build: stamp-patch
        # dh_testroot
        ./configure \
                $(confflags) \
+               --config-cache \
                --prefix=/usr \
                --exec-prefix=/usr \
                --mandir=$(mandir) \