cmake install higher version

cmake reported an error:

　　 CMake 3.8 or higher is required. You are running version 3.5.1

It indicates that the current version of cmake is too low.

Installation steps:

1. View the current cmake version:

cmake -version

2. Uninstall the current cmake: (skip this step if ROS is installed)

sudo apt remove cmake

3. Download cmake:

Directly from cmake official website To download the new version, you can also execute the following statement:

wget http://www.cmake.org/files/v3.16/cmake-3.16.6.tar.gz

I download cmake-3.16.6 here.

Or go to the file library to download: https://cmake.org/files/v3.16/

Note: there are two versions on the official website, one is the Source version, and the other is Linux x86 ʄ in Binary distributions. This is a compiled executable version that can be used directly. You only need to establish a soft connection, and call cmake GUI to use cmake by establishing a soft link.

What I download here is the source version ending with. tar.gz.

4. Decompression and installation:

tar xf cmake-3.16.6.tar.gz #Unzip, or right-click to extract it directly
cd cmake-3.16.6

sudo apt-get install build-essential

Go to the folder, if there is a lock indicating that there is permission setting, return to the upper directory of cmake-3.16.6, and modify the file permission

sudo chmod -R 777 cmake-3.16.6

./bootstrap

If there is an error in this step, please refer to the following solutions for errors.

make
make install

verification:

cmake --version

Solutions to errors encountered:

Error 1: an error occurred while running. / bootstrap:

-- Looking for gethostname
-- Looking for gethostname - found
-- Could NOT find OpenSSL, try to set the path to OpenSSL root folder in the system variable OPENSSL_ROOT_DIR (missing: OPENSSL_CRYPTO_LIBRARY OPENSSL_INCLUDE_DIR) 
CMake Error at Utilities/cmcurl/CMakeLists.txt:454 (message):
  Could not find OpenSSL.  Install an OpenSSL development package or
  configure CMake with -DCMAKE_USE_OPENSSL=OFF to build without OpenSSL.


-- Configuring incomplete, errors occurred!
See also "/home/whlg/cmake-3.16.6/CMakeFiles/CMakeOutput.log".
See also "/home/whlg/cmake-3.16.6/CMakeFiles/CMakeError.log".
---------------------------------------------
Error when bootstrapping CMake:
Problem while running initial CMake
---------------------------------------------

Prompt: OpenSSL cannot be found, check error log, missing package.

Solution:

sudo apt-get install libssl-dev

Rerun

./bootstrap

Error 2: error reported when make install:

[100%] Built target foo
Install the project...
-- Install configuration: ""
CMake Error at Source/kwsys/cmake_install.cmake:41 (file):
  file cannot create directory: /usr/local/doc/cmake-3.16/cmsys.  Maybe need
  administrative privileges.
Call Stack (most recent call first):
  cmake_install.cmake:42 (include)


Makefile:76: recipe for target 'install' failed
make: *** [install] Error 1

Solution:

sudo make install

Error 3: when executing cmake --version, it indicates that there is no file or directory:

bash: /usr/bin/cmake: no file or directory

Solution:

Use which cmake to find the installation path of cmake, which is in / usr/local/bin/cmake by default, and the system will search in / usr/bin by default.

Make a link: