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ccache installation from release archive

Prerequisites

To build ccache from a release archive, you need:

  • A C compiler (for instance GCC)

It is also recommended that you have:

  • zlib (if you don't have zlib installed, ccache will use a bundled copy)

Installation

To compile and install ccache, run these commands:

./configure
make
make install

You may set the installation directory and other parameters by options to ./configure. To see them, run ./configure --help.

There are two ways to use ccache. You can either prefix your compilation commands with ccache or you can create a symbolic link (named as your compiler) to ccache. The first method is most convenient if you just want to try out ccache or wish to use it for some specific projects. The second method is most useful for when you wish to use ccache for all your compilations.

To install for usage by the first method just copy ccache to somewhere in your path.

To install for the second method, do something like this:

cp ccache /usr/local/bin/
ln -s ccache /usr/local/bin/gcc
ln -s ccache /usr/local/bin/g++
ln -s ccache /usr/local/bin/cc
ln -s ccache /usr/local/bin/c++

And so forth. This will work as long as /usr/local/bin comes before the path to the compiler (which is usually in /usr/bin). After installing you may wish to run which gcc to make sure that the correct link is being used.

NOTE: Do not use a hard link, use a symbolic link. A hard link will cause "interesting" problems.

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