从bootstrap.less编译bootstrap.css需要哪些资源？

For a project i'm working on i wanted to use a customized version of Bootstrap. After playing around with it it seemed quite clear to me, how Bootstrap works. There is a central .less file, bootstrap.less, which bundles in all the other .less files fullfilling certain tasks. My plan was to adapt bootstrap.less and variables.less, which would have been sufficient fo my purpose.For a project i'm working on i wanted to use a