submodule descriptions

3a3e5d48 · Gan Quan · bd7e269f · 3a3e5d48
Commit 3a3e5d48 authored Sep 30, 2018 by Gan Quan
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README.md README.md +12 -0

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@@ -16,6 +16,18 @@ Show below, there are three sets of APIs for different models.

 ## How to build (the `cpp` branch)

+Before building, make sure that the submodules are cloned.  If you haven't initialized the submodules, run
+
+```sh
+$ git submodule init
+```
+
+To sync the submodules, run
+
+```sh
+$ git submodule update
+```
+
 At the root directory of the repo:

 ```sh