1ccache installation from release archive 2======================================== 3 4Prerequisites 5------------- 6 7To build ccache from a 8[release archive](https://ccache.dev/download.html), you need: 9 10- A C compiler (for instance GCC) 11 12It is also recommended that you have: 13 14- [zlib](http://www.zlib.net) (if you don't have zlib installed, ccache will 15 use a bundled copy) 16 17 18Installation 19------------ 20 21To compile and install ccache, run these commands: 22 23 ./configure 24 make 25 make install 26 27You may set the installation directory and other parameters by options to 28`./configure`. To see them, run `./configure --help`. 29 30There are two ways to use ccache. You can either prefix your compilation 31commands with `ccache` or you can create a symbolic link (named as your 32compiler) to ccache. The first method is most convenient if you just want to 33try out ccache or wish to use it for some specific projects. The second method 34is most useful for when you wish to use ccache for all your compilations. 35 36To install for usage by the first method just copy ccache to somewhere in your 37path. 38 39To install for the second method, do something like this: 40 41 cp ccache /usr/local/bin/ 42 ln -s ccache /usr/local/bin/gcc 43 ln -s ccache /usr/local/bin/g++ 44 ln -s ccache /usr/local/bin/cc 45 ln -s ccache /usr/local/bin/c++ 46 47And so forth. This will work as long as `/usr/local/bin` comes before the path 48to the compiler (which is usually in `/usr/bin`). After installing you may wish 49to run `which gcc` to make sure that the correct link is being used. 50 51NOTE: Do not use a hard link, use a symbolic link. A hard link will cause 52"interesting" problems. 53