From 6ad9c2f2d37024ee5b785fb6f5388163d0a1ff4d Mon Sep 17 00:00:00 2001 From: Mark Mansi Date: Sat, 15 Jun 2019 16:08:35 -0500 Subject: [PATCH] add note about rebuilding llvm --- src/how-to-build-and-run.md | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/how-to-build-and-run.md b/src/how-to-build-and-run.md index 92fbcb0f..84efffc8 100644 --- a/src/how-to-build-and-run.md +++ b/src/how-to-build-and-run.md @@ -42,7 +42,9 @@ debug = true ``` If you have already built `rustc`, then you may have to execute `rm -rf build` for subsequent -configuration changes to take effect. +configuration changes to take effect. Note that `./x.py clean` will not cause a +rebuild of LLVM, so if your configuration change affects LLVM, you will need to +manually `rm -rf build/` before rebuilding. ### What is `x.py`?