ccache——/root/.ccache
CCACHE(1) ccache Manual CCACHE(1)
NAME
ccache - a fast C/C++ compiler cache
SYNOPSIS
ccache [options]
ccache compiler [compiler options]
compiler [compiler options] (via symbolic link)
DESCRIPTION
ccache is a compiler cache. It speeds up recompilation by caching the result of previous compilations and
detecting when the same compilation is being done again. Supported languages are C, C++, Objective-C and
Objective-C++.
ccache has been carefully written to always produce exactly the same compiler output that you would get without
the cache. The only way you should be able to tell that you are using ccache is the speed. Currently known
exceptions to this goal are listed under BUGS. If you ever discover an undocumented case where ccache changes
the output of your compiler, please let us know.
http://askubuntu.com/questions/470545/how-do-i-set-up-ccache
Configuration :
If you want no limit to the number of files and size of the cache:
ccache -F 0 && ccache -M 0
Show cache statistics:
ccache -s
Empty the cache and reset the stats:
ccache -C -z
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