From a7fb291885fbe5da735210768a73cbefd5e66ea4 Mon Sep 17 00:00:00 2001
From: Lars Brinkhoff <lars@nocrew.org>
Date: Fri, 18 Sep 2020 09:46:13 +0200
Subject: [PATCH] Check out submodules recursively.

Some submodules have their own submodules now, so --recursive is
needed to check out a complete source tree.
---
 Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 64ec29f7..8d67956b 100644
--- a/Makefile
+++ b/Makefile
@@ -294,8 +294,8 @@ tools/supdup/supdup:
 	$(MAKE) -C tools/supdup
 
 $(SMF):
-	$(GIT) submodule sync `dirname $@`
-	$(GIT) submodule update --init `dirname $@`
+	$(GIT) submodule sync --recursive `dirname $@`
+	$(GIT) submodule update --recursive --init `dirname $@`
 
 tools/simh/BIN/pdp11:
 	$(MAKE) -C tools/simh pdp11