build: separate compiler and libs

cl/_testlibc/setjmp/in.go

@@ -1,17 +0,0 @@
-package main
-
-import (
-	"github.com/goplus/llgo/c"
-)
-
-func main() {
-	jb := c.AllocaSigjmpBuf()
-	switch ret := c.Sigsetjmp(jb, 0); ret {
-	case 0:
-		cstr := c.Str("??Hello, setjmp!\n")
-		c.Fprintf(c.Stderr, c.Str("%s"), c.Advance(c.Pointer(c.Advance(cstr, 1)), 1))
-		c.Siglongjmp(jb, 1)
-	default:
-		println("exception:", ret)
-	}
-}