diff --git a/.gitmodules b/.gitmodules
index a1ce09e66b..5319d433a9 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -106,6 +106,10 @@
 	path = libs/tokenizer
 	url = ../tokenizer.git
 	fetchRecurseSubmodules = on-demand
+[submodule "math"]
+	path = libs/math
+	url = ../math.git
+	fetchRecurseSubmodules = on-demand
 [submodule "compatibility"]
 	path = libs/compatibility
 	url = ../compatibility.git
diff --git a/libs/math b/libs/math
new file mode 160000
index 0000000000..f483d1189b
--- /dev/null
+++ b/libs/math
@@ -0,0 +1 @@
+Subproject commit f483d1189bc093bdd35c11f6962bb96ec095aa0f