ci: further makefile bootstrapping fixes

GNUmakefile

@@ -84,13 +84,16 @@ endif
 
 all: latest_vc latest_tcc
 ifdef WIN32
-	$(CC) $(CFLAGS) -std=c99 -municode -w -I ./thirdparty/stdatomic/nix -o $(V) $(VC)/$(VCFILE) $(LDFLAGS)
-	$(V) -o v2.exe $(VFLAGS) cmd/v
-	move /y v2.exe v.exe
+	$(CC) $(CFLAGS) -std=c99 -municode -w -I ./thirdparty/stdatomic/nix -o v1.exe $(VC)/$(VCFILE) $(LDFLAGS)
+	v1.exe -no-parallel -o v2.exe $(VFLAGS) cmd/v
+	v2.exe -o $(V) $(VFLAGS) cmd/v
+	del v1.exe
+	del v2.exe
 else
-	$(CC) $(CFLAGS) -std=gnu99 -w -I ./thirdparty/stdatomic/nix -o $(V) $(VC)/$(VCFILE) -lm -lpthread $(LDFLAGS)
-	$(V) -o v2.exe $(VFLAGS) cmd/v
-	mv -f v2.exe v
+	$(CC) $(CFLAGS) -std=gnu99 -w -I ./thirdparty/stdatomic/nix -o v1.exe $(VC)/$(VCFILE) -lm -lpthread $(LDFLAGS)
+	./v1.exe -no-parallel -o v2.exe $(VFLAGS) cmd/v
+	./v2.exe -o $(V) $(VFLAGS) cmd/v
+	rm -rf v1.exe v2.exe
 endif
 	@echo "V has been successfully built"
 	@$(V) -version

Makefile

@@ -1,8 +1,11 @@
 CC ?= cc
+VFLAGS ?=
 
 all:
 	rm -rf vc/
 	git clone --depth 1 --quiet https://github.com/vlang/vc
-	$(CC) -std=gnu11 -w -I ./thirdparty/stdatomic/nix -o v vc/v.c -lm -lexecinfo 
-	rm -rf vc/
+	$(CC) -std=gnu11 -w -I ./thirdparty/stdatomic/nix -o v1 vc/v.c -lm -lexecinfo
+	./v1 -no-parallel -o v2 $(VFLAGS) cmd/v
+	./v2 -o v $(VFLAGS) cmd/v
+	rm -rf v1 v2 vc/
 	@echo "V has been successfully built"