On Wed, Nov 11, 2020 at 4:46 PM Jun Leng via Gcc-help <gcc-help@xxxxxxxxxxx> wrote: > 5 make > The error is: > configure: error: source directory already configured; run "make > distclean" there first > If you used git to create the source tree, then using git to clean it is probably easiest. Maybe something like git clean -f -x -d assuming that you don't have anything in there that you want to keep. You need to get the source tree to the state where git status --ignored shows no changes. Or even simpler is to just rm -rf your existing tree and git clone a new one, and then be careful not to run configure in the source tree again. I doubt that using make distclean is going to work. Jim