What does the --prefix command mean in Linux?

Concept:

The installation of source code generally consists of 3 steps: configure (configure), compile (make ), installation (make install).

Configure is an executable script that has many options. Use the command ./configure --help in the source code path to be installed to output a detailed list of options. The –prefix option is the path to configure the installation.

Function 1:

If this option is not configured, the executable file will be placed in /usr/local/ by default after installation bin, library files are placed in /usr/local/lib by default, configuration files are placed in /usr/local/etc by default, and other resource files are placed in /usr/local/share, which is quite messy.

If you configure –prefix, such as:

./configure --prefix=/usr/lcoal/test

You can put all resource files in the /user/local/test path without clutter.

Function 2:

When a certain installed software is no longer needed, you only need to simply delete the installation directory to uninstall the software cleanly; To transplant software, you only need to copy the entire directory to another machine (same operating system);

Of course to uninstall the program, you can also use make uninstall once in the original make directory, but only if the make file has been specified uninstall.

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