DEB_BUILD_OPTIONS=abi=+time64 dpkg-buildpackage -nc -F > ../mkx4i-q804.out 2>&1

// why quoted? used in sid time64 builds
DEB_BUILD_OPTIONS="abi=+time64" dpkg-buildpackage -F -nc > ../mkx4h-q724.out 2>&1

DEB_BUILD_OPTIONS="abi=+lfs noddebs" dpkg-buildpackage -F -nc > ../mkx4j-q910.out 2>&1