ROOT_MB := $(shell printf '%i\n' "$$(( ${imagesize} - ${BOOT_MB} - 3 ))")
endif
-PACKAGES += btrfs-tools bzip2 ca-certificates cron deborphan firmware-linux-free gzip htop ifupdown iputils-ping irqbalance isc-dhcp-client less make net-tools nmap ntpdate openssh-client psmisc rsync sshfs sudo traceroute unzip vim wget wireless-tools wpasupplicant xz-utils zip
+PACKAGES += btrfs-progs bzip2 ca-certificates cron deborphan firmware-linux-free gzip htop ifupdown iputils-ping irqbalance isc-dhcp-client less make net-tools nmap ntpdate openssh-client psmisc rsync sshfs sudo traceroute unzip vim wget wireless-tools wpasupplicant xz-utils zip
ifdef packages
PACKAGES += $(subst ${comma_},${space_},${packages})