Revert "makefile: simplify and speed up"

This reverts commit c7e4f5eefb.

Makefile

@@ -4,7 +4,12 @@ LDFLAGS ?=
 TMPDIR ?= /tmp
 
 VCFILE := v.c
-TMPVC  := $(TMPDIR)/v.c
+TMPVC  := $(TMPDIR)/vc
+TMPTCC := /var/tmp/tcc
+VCREPO := https://github.com/vlang/vc
+TCCREPO := https://github.com/vlang/tccbin
+GITCLEANPULL := git clean -xf && git pull --quiet
+GITFASTCLONE := git clone --depth 1 --quiet
 
 #### Platform detections and overrides:
 _SYS := $(shell uname 2>/dev/null || echo Unknown)
@@ -34,15 +39,16 @@ endif
 #####
 
 ifdef WIN32
+TCCREPO := https://github.com/vlang/tccbin_win
 VCFILE := v_win.c
 endif
 
-all: latest_vc
+all: latest_vc latest_tcc
 ifdef WIN32
-	$(CC) $(CFLAGS) -g -std=c99 -municode -w -o v.exe $(TMPVC) $(LDFLAGS)
+	$(CC) $(CFLAGS) -g -std=c99 -municode -w -o v.exe $(TMPVC)/$(VCFILE) $(LDFLAGS)
 	./v.exe self
 else
-	$(CC) $(CFLAGS) -g -std=gnu11 -w -o v $(TMPVC) $(LDFLAGS) -lm
+	$(CC) $(CFLAGS) -g -std=gnu11 -w -o v $(TMPVC)/$(VCFILE) $(LDFLAGS) -lm
 ifdef ANDROID
 	chmod 755 v
 endif
@@ -61,10 +67,32 @@ clean: clean_tmp
 	git clean -xf
 
 clean_tmp:
-	rm $(TMPVC)
+	rm -rf $(TMPTCC)
+	rm -rf $(TMPVC)
 
-latest_vc:
-	curl "https://raw.githubusercontent.com/vlang/vc/master/v.c" -o $(TMPVC) -s
+latest_vc: $(TMPVC)/.git/config
+	cd $(TMPVC) && $(GITCLEANPULL)
+
+fresh_vc:
+	rm -rf $(TMPVC)
+	$(GITFASTCLONE) $(VCREPO) $(TMPVC)
+
+latest_tcc: $(TMPTCC)/.git/config
+ifndef ANDROID
+	cd $(TMPTCC) && $(GITCLEANPULL)
+endif
+
+fresh_tcc:
+ifndef ANDROID
+	rm -rf $(TMPTCC)
+	$(GITFASTCLONE) $(TCCREPO) $(TMPTCC)
+endif
+
+$(TMPTCC)/.git/config:
+	$(MAKE) fresh_tcc
+
+$(TMPVC)/.git/config:
+	$(MAKE) fresh_vc
 
 selfcompile:
 	./v -keepc -cg -o v cmd/v

make.bat

@@ -8,7 +8,7 @@ if exist "vc" (
 	rd /s /q vc
 )
 
-echo Downloading v.c from github.com/vlang/vc...
+echo Downloading v.c...
 git clone --depth 1 --quiet https://github.com/vlang/vc
 
 REM option to force msvc or gcc