fix

win-c++g++-go/CWord.h

@@ -0,0 +1,26 @@
+#include <vector>
+
+using namespace::std;
+
+/////////////////////////////////////////
+//CWord
+/////////////////////////////////////////
+class CWord
+{
+public:
+	int m_nID;
+	char* m_psWord;
+public:
+	CWord();
+	~CWord();
+};
+
+CWord::CWord()
+{
+	m_psWord = NULL;
+	m_nID = -1;
+}
+
+CWord::~CWord()
+{
+}

win-c++g++-go/README.md

@@ -0,0 +1,20 @@
+# 使用g++编译dll给go调用
+
+```
+Windows 10
+
+go version go1.12 windows/amd64
+
+g++ (tdm64-1) 5.1.0
+
+Copyright (C) 2015 Free Software Foundation, Inc.
+
+This is free software; see the source for copying conditions.  There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+```
+
+> mingw32-make.exe
+
+> go build
+

win-c++g++-go/cwrap.cpp

@@ -0,0 +1,7 @@
+#include "cwrap.h"
+#include "test.h"
+
+void call() {
+    Test ctx;
+    ctx.call();
+}

win-c++g++-go/cwrap.h

@@ -0,0 +1,13 @@
+#ifndef __CWRAP_H__
+#define __CWRAP_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+void call();
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

win-c++g++-go/main.go

@@ -0,0 +1,12 @@
+package main
+
+/*
+#cgo CFLAGS: -Icpp
+#cgo LDFLAGS: -L. -lgotest
+#include "cwrap.h"
+*/
+import "C"
+
+func main() {
+    C.call()
+}

win-c++g++-go/makefile

@@ -0,0 +1,5 @@
+build:
+	rm -f test.o
+	gcc -c test.cpp -o test.o
+	gcc -shared -o libgotest.dll test.o
+	rm -f test.o

win-c++g++-go/test.cpp

@@ -0,0 +1,5 @@
+#include "test.h"
+
+void Test::call() {
+    printf("call from c++ language\n");
+}

win-c++g++-go/test.h

@@ -0,0 +1,11 @@
+#ifndef __TEST_H__
+#define __TEST_H__
+
+#include <stdio.h>
+
+class Test {
+public:
+    void call();
+};
+
+#endif