Update README.md w/ steps for pymavlink submodule (#622)

27f2a203 · rajb245 · Lorenz Meier · 0835c0c9 · 27f2a203
Commit 27f2a203 authored 8 years ago by rajb245 Committed by Lorenz Meier 8 years ago
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ This repository is largely Python scripts that convert XML files into language-s
    * Tkinter (if GUI functionality is desired)

 ### Installation ###
-  1. Clone into a user-writable directory.
+  1. Clone into a user-writable directory. Make sure to use the git "--recursive" option since pymavlink is a submodule. Alternately, run "git submodule init" and "git submodule update" after cloning to get pymavlink.
  2. Add the repository directory to your `PYTHONPATH`
  3. Generate MAVLink parser files following the instructions in the next section *AND/OR* run included helper scripts described in the Scripts/Examples secion.