Samuel Thibault, le mar. 23 juin 2020 23:38:22 +0200, a ecrit: > - apt_get_install dpkg-dev debhelper "gnumach-dev:$HOST_ARCH" flex libfl-dev bison dh-autoreconf > + apt_get_install dpkg-dev debhelper dh-exec dh-autoreconf "gnumach-dev:$HOST_ARCH" flex libfl-dev bison > drop_privs dpkg-buildpackage -d -B "--target-arch=$HOST_ARCH" -uc -us (I guess there are no short-term plans to let packages document when a dependency is for the *target* arch) Samuel