运行简单的 cgo 文件时遇到错误

Question

我正在尝试测试 cgo 代码。package main// #include <stdlib.h>import (    "C"    "fmt")func main() {    fmt.Printf("test %d\n", int(C.random()))}D:\Dev\Go\src>go version go version go1.3 windows/amd64D:\Dev\Go\src>go env set GOARCH=amd64 set GOBIN= set GOCHAR=6 set GOEXE=.exe set GOHOSTARCH=amd64 set GOHOSTOS=windows set GOOS=windowsset GOPATH=D:\\Dev\\Go set GORACE= set GOROOT=c:\go set GOTOOLDIR=c:\go\pkg\tool\windows_amd64 set CC=gcc set GOGCCFLAGS=-m64-mthreads -fmessage-length=0 set CXX=g++ set CGO_ENABLED=1D:\Dev\Go\src>go run test_binding.go# runtime/cgo C:\Users\hyoon\AppData\Local\Temp\go-build779392087\runtime\cgo\_obj\_cgo_defun.c:7 6c: No such file  or directory: runtime.h请检查最后一个错误。怎么了？

Answer 1

你从这个程序得到什么输出？

package main

/*

#include <stdlib.h>

*/

import "C"

import (

    "fmt"

)

func main() {

    fmt.Printf("test %d\n", int(C.rand()))

}