diff --git a/.gitmodules b/.gitmodules
index bdf7b42..76c8527 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -445,3 +445,6 @@
 [submodule "regional_weather"]
 	path = regional_weather
 	url = https://sys4.fr/gitea/nalc/regional_weather.git
+[submodule "xcompat"]
+	path = xcompat
+	url = https://sys4.fr/gitea/mtcontrib/xcompat.git
diff --git a/xcompat b/xcompat
new file mode 160000
index 0000000..b18dc7b
--- /dev/null
+++ b/xcompat
@@ -0,0 +1 @@
+Subproject commit b18dc7ba14a58c2933a7bf2da7bda8d6262d9f20