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(Legacy) Install CMake#

This is Legacy documentation regarding CMake installations. Updated CMake installation at: Install CMake

Install CMake (Ubuntu 16.04 Xenial)#

The latest CMake release is available via Kitware's PPA:

wget -O - 2>/dev/null | sudo apt-key add -
sudo apt-add-repository 'deb xenial main'
sudo apt-get update

Then, download and install CMake:

sudo apt install cmake
sudo apt install cmake-curses-gui  # Recommended, includes ccmake.

Install CMake backports (Ubuntu 14.04 Trusty)#

CMake packages up to release 2.8.12 are distributed on Ubuntu Trusty (14.04). However, a CMake 3.5 backport is also included in the oficial repositories. Skip adding other repositories and simply:

sudo apt update
sudo apt install cmake3
sudo apt install cmake3-curses-gui  # Recommended, includes ccmake

Install CMake backports (Ubuntu 12.04 Precise)#

CMake packages up to release 2.8.7 are distributed on Ubuntu precise (12.04). However, you can pull and install CMake from an additional repository:

sudo add-apt-repository ppa:kalakris/cmake
sudo apt-get update
sudo apt-get install cmake

OpenSSL support (older distros and building from sources)#

OpenSSL support is required to download external data through the file(DOWNLOAD) command when a secure protocol is requested (e.g. https://). Unsupported protocol errors as described in this issue may arise when CMake was built from source without having set the appropriate options, also apt packages for older distros (such as Ubuntu 12.04) could lack this feature. For CMake 2.8.9 on Ubuntu 12.04:

sudo apt install cmake # get CMake 2.8.7 first
sudo apt install libcurl4-openssl-dev
cd && mkdir -p repos && cd repos
git clone
cd cmake
git checkout tags/v2.8.9
mkdir build && cd build
make -j$(nproc)
sudo make install
hash -r # rebuild executable cache to use new 'cmake' (2.8.9) command