From 33662f063111362726370a9b953d20c4eb9f3d8d Mon Sep 17 00:00:00 2001
From: Jinzhe Zeng <jinzhe.zeng@rutgers.edu>
Date: Sun, 4 Dec 2022 04:02:59 -0500
Subject: [PATCH] docs: add a note about lammps runpath

Fix #2048.

Signed-off-by: Jinzhe Zeng <jinzhe.zeng@rutgers.edu>
---
 doc/install/install-lammps.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/doc/install/install-lammps.md b/doc/install/install-lammps.md
index ec79de8f4f..0be0b1ddb1 100644
--- a/doc/install/install-lammps.md
+++ b/doc/install/install-lammps.md
@@ -67,3 +67,11 @@ If everything works fine, you will end up with an executable `${deepmd_root}/bin
 ```bash
 ${deepmd_root}/bin/lmp -h
 ```
+
+:::{note}
+If `${tensorflow_root}` or `${deepmd_root}` is different from the prefix of LAMMPS, you need to append the library path to [`RUNPATH`](https://man7.org/linux/man-pages/man8/ld.so.8.html) of `liblammps.so`. For example,
+
+```sh
+patchelf --set-rpath "${tensorflow_root}/lib" liblammps.so
+```
+:::