1#================= 2# Install ccache 3 4# Install ccache from source since ccache 3.x packaged with most linux distributions 5# does not support Redis backend for caching. 6RUN curl -sSL -o ccache.tar.gz https://github.com/ccache/ccache/releases/download/v4.7.5/ccache-4.7.5.tar.gz ${'\\'} 7 && tar -zxf ccache.tar.gz ${'\\'} 8 && cd ccache-4.7.5 ${'\\'} 9 && mkdir build && cd build ${'\\'} 10 && cmake -DCMAKE_BUILD_TYPE=Release -DZSTD_FROM_INTERNET=ON -DHIREDIS_FROM_INTERNET=ON .. ${'\\'} 11 && make -j4 && make install ${'\\'} 12 && cd ../.. ${'\\'} 13 && rm -rf ccache-4.7.5 ccache.tar.gz 14