scc

commit 2c35688619f6c5804106dfe52ee199894eb6b056
parent d0ec99aaad5f303dfbd9fd0e094856f7f78c106d
Author: Roberto E. Vargas Caballero <k0ga@shike2.net>
Date:   Fri, 25 Apr 2025 09:22:59 +0200

build: Bootstrap scc using scc-make

Some problems were found with some make implementations, and as
scc includes its own make version, it is a problem that we can
easily avoid just using the make from the repo.

Diffstat:
M
.gitignore
 | 
1
+
M
Makefile
 | 
29
++++++++++++++++++-----------

2 files changed, 19 insertions(+), 11 deletions(-)
diff --git a/.gitignore b/.gitignore
@@ -7,6 +7,7 @@ libexec/
 deps.mk
 *.gcno
 *.gcda
+/scc-make
 /deps
 /src/cmd/scc-addr2line
 /src/cmd/scc-objcopy
diff --git a/Makefile b/Makefile
@@ -1,31 +1,38 @@
 .POSIX:
 
+SMAKE = $$PWD/scc-make
+
 all: deps
 
-deps:
-	$(MAKE) dep;\
+scc-make:
+	$(CC) -o $@ src/cmd/scc-make/*.c
+
+deps: scc-make
+	+@$(SMAKE) dep
 	touch $@;\
 
-all dep tests install uninstall: check_config FORCE
-	+@$(MAKE) -f main.mk $@
+all dep tests install uninstall: scc-make check_config FORCE
+	+@$(SMAKE) -f main.mk $@
 
-check_config: FORCE
+check_config: scc-make FORCE
 	@if ! test -f config.mk;\
 	then\
-		$(MAKE) config;\
+		$(SMAKE) config;\
 	fi
 
-config: FORCE
+config: scc-make FORCE
 	@if ! command -v qbe > /dev/null;\
 	then \
 		echo "qbe code generator is required to use scc" >&2;\
 		exit 1;\
 	fi
+	mkdir -p bin
+	$(CC) -o scc-make src/cmd/scc-make/*.c
 	./scripts/config
-	$(MAKE) -f main.mk config
+	@$(SMAKE) -f main.mk config
 
-config-musl: FORCE
-	$(MAKE) LIBPROFILE=musl config
+config-musl: scc-make FORCE
+	$(SMAKE) LIBPROFILE=musl config
 	gcc -v 2>&1 |\
 	sed -En '/COLLECT_LTO_WRAPPER=/ s/.*=(.*)\/lto-wrapper/\1/p' |\
 	(read -r path; \
@@ -39,6 +46,6 @@ clean: FORCE
 distclean: clean FORCE
 	touch config.mk
 	$(MAKE) -f main.mk distclean
-	rm -f config.mk deps
+	rm -f config.mk deps scc-make
 
 FORCE: