Package: ruby-gnome2 Version: 1.0.3-1 Severity: important Please enabled hardened build flags through dpkg-buildflags. You need to pass CFLAGS, LDFLAGS and CPPFLAGS to your build system: dpkg-buildflags --get CFLAGS dpkg-buildflags --get LDFLAGS dpkg-buildflags --get CPPFLAGS Cheers, Moritz