common_debs='gcc make linux-libc-dev git rsync eatmydata acl attr par2'
common_debs="$common_debs duplicity rdiff-backup rsnapshot dosfstools kmod"
-common_debs="$common_debs libreadline-dev libacl1-dev"
+common_debs="$common_debs pkg-config libreadline-dev libacl1-dev"
pyver="${1:-python2}"
xattr="${2:-pyxattr}"