diff --git a/Build.md b/Build.md
index d846d4b..29a3cb3 100644
--- a/Build.md
+++ b/Build.md
@@ -180,6 +180,8 @@ Available in Gentoo
 sudo emerge dev-util/ccls
 ```
 
+To build with `sys-devel/clang`: `-DCLANG_LINK_CLANG_DYLIB=1`
+
 ### Ubuntu
 
 To build from source you'll need `sudo apt install zlib1g-dev libncurses-dev`.