Updated README to recursively initialize repos

diff --git a/README.md b/README.md
index 8bd5fcf126a9ceba698d34df8371606ba6bc07e1..2a7bd3b0d55ed1fb4652336ea26c05ddb8f6ff8f 100644 (file)
--- a/README.md
+++ b/README.md
@@ -8,6 +8,7 @@ Building from repository
 
     $ git clone https://github.com/ucb-bar/riscv-tests
     $ cd riscv-tests
+    $ git submodule update --init --recursive
     $ autoconf
     $ ./configure --prefix=/usr/local
     $ make