Discard the --no-parallel dh option.

diff --git a/debian/rules b/debian/rules
index 51e4d29857bb1e7d85aff2580591813d8602cee9..a14ec8eb9c9b6531bd22fe0fb1fc9fc118bd7ab2 100755 (executable)
--- a/debian/rules
+++ b/debian/rules
@@ -2,7 +2,7 @@
 export DEB_BUILD_MAINT_OPTIONS = hardening=+all
 
 %:
-       dh $@ --no-parallel
+       dh $@ --buildsystem=makefile
 
 override_dh_auto_install:
        dh_auto_install -- prefix=/usr libdir=/usr/lib/$(DEB_HOST_MULTIARCH)