tree 9f715ebc40d72147918ba625bf3e97ccb163c852
parent bf7f2cc3c5a5d0e143753f2772a4df728f196d8a
author Mingshen Sun <bob@mssun.me> 1594061995 -0700
committer Mingshen Sun <bob@mssun.me> 1594073881 -0700

Update the doc of build system