Merge pull request #3 from luoliwoshang/nc/test2

cl/nc:package_test

Author: xushiwei

cl/internal/convert/convert.go

@@ -106,7 +106,7 @@ func (p *Converter) Process() {
 			}
 			log.Panicln("ConvMacro:", err)
 		}
-		ctx.p.SetCurFile(goFile, true)
+		ctx.SetGoFile(goFile)
 		ctx.NewMacro(goName, macro)
 	}
 

cl/internal/convert/package.go

@@ -166,6 +166,13 @@ func (p *Package) SetCurFile(hfile *HeaderFile) {
 }
 */
 
+// to keep the unsafe package load to use go:linkname command
+func (p *Package) SetGoFile(goFile string) {
+	p.p.SetCurFile(goFile, true)
+	// todo(zzy):avoid remark
+	p.p.Unsafe().MarkForceUsed(p.p)
+}
+
 // todo(zzy):refine logic
 func (p *Package) linkLib(lib string) error {
 	if lib == "" {