From 173957fae99508b18915daf1bd5768172afc44a3 Mon Sep 17 00:00:00 2001
From: Michael Forney <mforney@mforney.org>
Date: Mon, 13 May 2019 12:19:13 -0700
Subject: Add qbe submodule to make it easy to build

---
 .gitmodules | 3 +++
 Makefile    | 5 +++++
 README.md   | 7 +++++++
 qbe         | 1 +
 4 files changed, 16 insertions(+)
 create mode 100644 .gitmodules
 create mode 160000 qbe

diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..34fa6a8
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "qbe"]
+	path = qbe
+	url = https://git.sr.ht/~mcf/qbe
diff --git a/Makefile b/Makefile
index 1157ffe..19d2906 100644
--- a/Makefile
+++ b/Makefile
@@ -82,6 +82,11 @@ bootstrap: stage2 stage3
 check: all
 	@CCQBE=./cc-qbe ./runtests
 
+.PHONY: qbe
+qbe:
+	git submodule update --init qbe
+	$(MAKE) -C qbe
+
 .PHONY: clean
 clean:
 	rm -rf cc $(DRIVER_OBJ) cc-qbe $(OBJ) stage2 stage3
diff --git a/README.md b/README.md
index c183a9d..5ab7c46 100644
--- a/README.md
+++ b/README.md
@@ -51,6 +51,13 @@ string arrays (`static char *[]`):
 You may also want to customize your environment or `config.mk` with the
 appropriate `CC`, `CFLAGS` and `LDFLAGS`.
 
+If you don't have QBE installed, you can build it from the included
+submodule (NOTE: BSD users will need to use gmake here), then add it to
+your PATH so that the driver will be able to run it.
+
+	make qbe
+	PATH=$PWD/qbe/obj:$PATH
+
 Once this is done, you can build with
 
 	make
diff --git a/qbe b/qbe
new file mode 160000
index 0000000..014a788
--- /dev/null
+++ b/qbe
@@ -0,0 +1 @@
+Subproject commit 014a7885bd6d0533b01708df17461cb2e2709e4e
-- 
cgit v1.2.3