我正在使用 C++ 为 Autodesk Maya 编写插件,但出现链接器错误。
我的主要课程是 Maya_Search_Plugin.cpp
#include <Utilities.h>
DeclareSimpleCommand( search_face, PLUGIN_COMPANY, "4.5");
//doIt method is entry point for plugin
MStatus search_face::doIt( const MArgList& )
{
//calls to Maya types/functions and Utilities functions
}
然后我有一个 Utilities 类,其中包含一些静态方法,标题如下所示
#ifndef __Maya_CPP_Plugin__Utilities__
#define __Maya_CPP_Plugin__Utilities__
//#pragma once
//standard libs
#include <stdio.h>
#include <time.h>
#include <string.h>
#include <iostream>
#include <math.h>
//maya libs
#include <maya/MDagPath.h>
#include <maya/MFn.h>
#include <maya/MFileIO.h>
#include <maya/MIOStream.h>
#include <maya/MFnMesh.h>
#include <maya/MFnTransform.h>
#include <maya/MGlobal.h>
#include <maya/MSelectionList.h>
#include <maya/MSimple.h>
#include <maya/MTypes.h>
#include <maya/MPointArray.h>
#include <maya/MObjectArray.h>
class Utilities{
public: static const int max_mov = 50;
public:
static double get_mesh_error(MPointArray, MPointArray, int);
static MStatus translateManipulator(double amount, MObject *path);
static void GetSelected(MObjectArray* objects, MFn::Type type);
};
#endif /* defined(__Maya_CPP_Plugin__Utilities__) */
像这样的实现
#include <Utilities.h>
double Utilities::get_mesh_error(MPointArray a, MPointArray b, int vertexCount){
...
}
MStatus Utilities::translateManipulator(double amount, MObject *path){
...
}
void Utilities::GetSelected(MObjectArray* objects, MFn::Type type) {
...
}
但是我收到以下错误
duplicate symbol _MApiVersion in:
/Users/tmg06qyu/Library/Developer/Xcode/DerivedData/Maya_CPP_Plugin-hjrwvybwlvqyyscbmixdkcpdzjqr/Build/Intermediates/Maya_CPP_Plugin.build/Debug/Maya_CPP_Plugin.build/Objects-normal/x86_64/Maya_Search_Plugin.o
/Users/tmg06qyu/Library/Developer/Xcode/DerivedData/Maya_CPP_Plugin-hjrwvybwlvqyyscbmixdkcpdzjqr/Build/Intermediates/Maya_CPP_Plugin.build/Debug/Maya_CPP_Plugin.build/Objects-normal/x86_64/Utilities.o
ld: 1 duplicate symbol for architecture x86_64
Command /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld failed with exit code 1
我认为这是一个链接错误,并且某处有一些循环引用,但我无法确定它在哪里。
任何帮助表示赞赏。
谢谢。