scc

commit 47b38c5176ab09a277d1196c2ca14dfd86c3a17b
parent ae5ef00bfb5f7fff6873dcfa556f5dcc11ebf9bd
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Thu,  7 Oct 2021 19:05:09 +0200

build: Add submodule for qbe

Qbe is an external dependency for scc, and to make easy
to bootstrap scc is better to add it like a submodule,
in a way that we can install it at the same time than
any other part of scc.

Diffstat:
A
.gitmodules
 | 
3
+++
M
src/cmd/Makefile
 | 
13
+++++++++++++
A
src/cmd/qbe
 | 
1
+

3 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/.gitmodules b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "src/cmd/qbe"]
+	path = src/cmd/qbe
+	url = git://c9x.me/qbe.git
diff --git a/src/cmd/Makefile b/src/cmd/Makefile
@@ -1,6 +1,7 @@
 .POSIX:
 
 DIRS   =\
+	qbe\
 	ld\
 	as\
 	cc\
@@ -17,9 +18,21 @@ TARGET =\
 	$(BINDIR)/objdump\
 	$(BINDIR)/objcopy\
 	$(BINDIR)/addr2line\
+	$(BINDIR)/qbe\
 
 all: $(TARGET) $(DIRS)
 
+qbe: qbe/.git
+
+qbe/.git:
+	git submodule init qbe
+	git submodule update
+
+qbe/obj/qbe: qbe
+
+$(BINDIR)/qbe: qbe/obj/qbe
+	cp qbe/obj/qbe $@
+
 $(BINDIR)/nm: nm.o $(LIBMACH) $(LIBSCC)
 	$(CC) $(PROJ_LDFLAGS) nm.o -lmach -lscc -o $@
 
diff --git a/src/cmd/qbe b/src/cmd/qbe
@@ -0,0 +1 @@
+Subproject commit bb16529b34a844c6e15f8837950585761122106e