I already installed libnl3 and I confirmed it. However, I am still getting the same message.
xxxx@xxxx:/$ sudo apt-get install libnl-3-dev libnl-genl-3-dev
Reading package lists... Done
Building dependency tree
Reading state information... Done
libnl-3-dev is already the newest version.
libnl-genl-3-dev is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
xxxx@xxxx:/$ cd aircrack-ng-1.2-beta3
xxxx@xxxx:/aircrack-ng-1.2-beta3$ sudo make
common.mak:85: *** Cannot find development files for any supported version of libnl. install either libnl1 or libnl3.. Stop.
xxxx@xxxx:/aircrack-ng-1.2-beta3$