diff --git a/.gitmodules b/.gitmodules
index ccd7ff3ee2..70246445bc 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -32,3 +32,6 @@
   path = 3party/expat
   url = git://github.com/libexpat/libexpat.git
   branch = R_2_2_9
+[submodule "3party/glm"]
+	path = 3party/glm
+	url = git@github.com:g-truc/glm.git
diff --git a/3party/glm b/3party/glm
new file mode 160000
index 0000000000..6347f62261
--- /dev/null
+++ b/3party/glm
@@ -0,0 +1 @@
+Subproject commit 6347f62261da5be4e27a256e28aef6abc0ba884d