GEOS

flame@flame-pc:~/Projects$ sudo apt-get install libgeos-dev
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages were automatically installed and are no longer required:
  comerr-dev krb5-multidev libgeos-3.5.0 libgssrpc4 libkadm5clnt-mit9 libkadm5srv-mit9 libkdb5-8
Use 'sudo apt autoremove' to remove them.
The following additional packages will be installed:
  libgeos-3.5.1 libgeos-c1v5
Suggested packages:
  libgdal-doc
The following NEW packages will be installed:
  libgeos-3.5.1
The following packages will be upgraded:
  libgeos-c1v5 libgeos-dev
2 upgraded, 1 newly installed, 0 to remove and 123 not upgraded.
Need to get 612 kB of archives.
After this operation, 2035 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://ppa.launchpad.net/ubuntugis/ubuntugis-unstable/ubuntu xenial/main amd64 libgeos-3.5.1 amd64 3.5.1-3~xenial0 [481 kB]
Get:2 http://ppa.launchpad.net/ubuntugis/ubuntugis-unstable/ubuntu xenial/main amd64 libgeos-dev amd64 3.5.1-3~xenial0 [72,9 kB]
Get:3 http://ppa.launchpad.net/ubuntugis/ubuntugis-unstable/ubuntu xenial/main amd64 libgeos-c1v5 amd64 3.5.1-3~xenial0 [58,0 kB]
Fetched 612 kB in 0s (632 kB/s)       
Selecting previously unselected package libgeos-3.5.1.
(Reading database ... 209035 files and directories currently installed.)
Preparing to unpack .../libgeos-3.5.1_3.5.1-3~xenial0_amd64.deb ...
Unpacking libgeos-3.5.1 (3.5.1-3~xenial0) ...
Preparing to unpack .../libgeos-dev_3.5.1-3~xenial0_amd64.deb ...
Unpacking libgeos-dev (3.5.1-3~xenial0) over (3.5.0-1ubuntu2) ...
Preparing to unpack .../libgeos-c1v5_3.5.1-3~xenial0_amd64.deb ...
Unpacking libgeos-c1v5 (3.5.1-3~xenial0) over (3.5.0-1ubuntu2) ...
Processing triggers for libc-bin (2.23-0ubuntu5) ...
Processing triggers for man-db (2.7.5-1) ...
Setting up libgeos-3.5.1 (3.5.1-3~xenial0) ...
Setting up libgeos-c1v5 (3.5.1-3~xenial0) ...
Setting up libgeos-dev (3.5.1-3~xenial0) ...
Processing triggers for libc-bin (2.23-0ubuntu5) ...