首先安装ccache:
sudo apt install ccache
然后在cmake文件中添加如下代码即可：
find_program(CCACHE_FOUND ccache)
if(CCACHE_FOUND)
set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ccache)
endif(CCACHE_FOUND)
标签：set,GLOBAL,c++,编译,RULE,ccache,FOUND,CCACHE
From： https://www.cnblogs.com/tiandsp/p/17519555.html