我打算在Eclipse中构建我的Open CV项目(C++)，但它在makefile中给出了一个错误，错误是
recipe for target `Open_CV.exe' failed
我也成功地将lib和opencv包含在项目中，但我不知道为什么会出现这个错误，有时我也会在其子目录文件中出现错误
错误日志为：
项目Open_CV**的配置调试构建
使全部正在生成文件：/src/Open_CV.c调用：跨GCC编译器gcc-I"C:\OpenCV2.0\include\opencv"-O0-g3-Wall-C-fmessage length=0-MMD-MP-MF"src/Open_CV.d"-MT"src/Open_CV.d"-o"src/Open_CV.o"../src/Open.CV.C"在C/OpenCV2.0/include/opencv/cv.h:11612中包含的文件中，来自/src/Open_CV.c:8:C：/OpenCV2.0/include/opencv/cvcompat.h：在函数cvMinAreaRect':
C:/OpenCV2.0/include/opencv/cvcompat.h:425: warning: left-hand operand of comma expression has no effect
C:/OpenCV2.0/include/opencv/cvcompat.h:425: warning: left-hand operand of comma expression has no effect
C:/OpenCV2.0/include/opencv/cvcompat.h:425: warning: left-hand operand of comma expression has no effect
C:/OpenCV2.0/include/opencv/cvcompat.h:425: warning: statement with no effect
../src/Open_CV.c: In functionmain'中：../src/Open_CV.c:20:警告：函数"printf"的隐式声明../src/Open_CV.c:在顶层：C：/OpenCV2.0/include/opencv/cxtypes.h:249：警告：已定义但未使用"cvFloor"C：/OpenCV2.0/include/opencv/cxtypes.h:267:警告：已定义但未使用"cvCeil"C：/OpenCV2.0/include/opencv/cxtypes.h:287:警告：已定义但未使用"cvIsNaN"C：/OpenCV2.0/include/opencv/cxtypes.h:302:警告：已定义但未使用"cvIsInf"C：/OpenCV2.0/include/opencv/cxtypes.h:321：警告：已定义但未使用"cvRNG"C：/OpenCV2.0/include/opencv/cxtypes.h:337:警告：已定义但未使用"cvRandReal"C：/OpenCV2.0/include/opencv/cxtypes.h:670：警告：已定义但未使用"cvmGet"C：/OpenCV2.0/include/opencv/cxtypes.h:705:警告：已定义但未使用"cvIplDepth"C：/OpenCV2.0/include/opencv/cxtypes.h:880:警告：已定义但未使用"cvRectToROI"C：/OpenCV2.0/include/opencv/cxtypes.h:893：警告：已定义但未使用"cvROIToRect"C：/OpenCV2.0/include/opencv/cxtypes.h:914：警告：已定义但未使用"cvTermCriteria"C：/OpenCV2.0/include/opencv/cxtypes.h:936：警告：已定义但未使用"cvPoint"C：/OpenCV2.0/include/opencv/cxtypes.h:966：警告：已定义但未使用"cvPointTo32f"C：/OpenCV2.0/include/opencv/cxtypes.h:991：警告：已定义但未使用"cvPoint3D32f"C：/OpenCV2.0/include/opencv/cxtypes.h:1011:警告：已定义但未使用"cvPoint2D64f"C：/OpenCV2.0/include/opencv/cxtypes.h:1031:警告：已定义但未使用"cvPoint3D64f"C：/OpenCV2.0/include/opencv/cxtypes.h:1052:警告：已定义但未使用"cvSize"C：/OpenCV2.0/include/opencv/cxtypes.h:1070：警告：已定义但未使用"cvSize2D32f"C：/OpenCV2.0/include/opencv/cxtypes.h:1146:警告：已定义但未使用"cvRealScalar"C：/OpenCV2.0/include/opencv/cxtypes.h:1154：警告：已定义但未使用"cvScalarAll"C：/OpenCV2.0/include/opencv/cxtypes.h:11666:警告：已定义但未使用"cvAttrList"C：/OpenCV2.0/include/opencv/cxcore.h:153:警告：已定义但未使用"cvDecRefData"C：/OpenCV2.0/include/opencv/cxcore.h:174:警告：已定义但未使用"cvIncRefData"C：/OpenCV2.0/include/opencv/cxcore.h:208:警告：已定义但未使用"cvGetRow"C：/OpenCV2.0/include/opencv/cxcore.h:219:警告：已定义但未使用"cvGetCol"C：/OpenCV2.0/include/opencv/cxcore.h:248:警告：已定义但未使用"cvReleaseMatND"C：/OpenCV2.0/include/opencv/cxcore.h:271:警告：已定义但未使用"cvGetNextSparseNode"C：/OpenCV2.0/include/opencv/cxcore.h:522:警告：已定义但未使用"cvSubS"C：/OpenCV2.0/include/opencv/cxcore.h:1083:警告：已定义但未使用"cvCloneSeq"C：/OpenCV2.0/include/opencv/cxcore.h:1126:警告：已定义但未使用"cvSetNew"C：/OpenCV2.0/include/opencv/cxcore.h:11141:警告：已定义但未使用"cvSetRemoveByPtr"C：/OpenCV2.0/include/opencv/cxcore.h:1156：警告：已定义但未使用"cvGetSetElem"C：/OpenCV2.0/include/opencv/cxcore.h:1323:警告：已定义但未使用"cvEllipseBox"C：/OpenCV2.0/include/opencv/cxcore.h:1414：警告：已定义但未使用"cvFont"C：/OpenCV2.0/include/opencv/cxcore.h:1672:警告：已定义但未使用"cvReadIntByName"C：/OpenCV2.0/include/opencv/cxcore.h：1687:警告：已定义但未使用"cvReadRealByName"C：/OpenCV2.0/include/opencv/cxcore.h:1701:警告：已定义但未使用"cvReadStringByName"C：/OpenCV2.0/include/opencv/cxcore.h:1713:警告：已定义但未使用"cvReadByName"C：/OpenCV2.0/include/opencv/cxmisc.h:222:警告：已定义但未使用"cvAlignPtr"C：/OpenCV2.0/include/opencv/cxmisc.h:228:警告：已定义但未使用"cvAlign"C：/OpenCV2.0/include/opencv/cxmisc.h:234:警告：已定义但未使用"cvGetMatSize"C：/OpenCV2.0/include/opencv/cv.h:635:警告：已定义但未使用"cvCreateSubdivDelaunay2D"C：/OpenCV2.0/include/opencv/cv.h:670：警告：已定义但未使用"cvSubdiv2DNextEdge"C：/OpenCV2.0/include/opencv/cv.h:676：警告：已定义但未使用"cvSubdiv2DRotateEdge"C：/OpenCV2.0/include/opencv/cv.h:681：警告：已定义但未使用"cvSubdiv2DSymEdge"C：/OpenCV2.0/include/opencv/cv.h:686：警告：已定义但未使用"cvSubdiv2DGetEdge"C：/OpenCV2.0/include/opencv/cv.h:694:警告：已定义但未使用"cvSubdiv2DEdgeOrg"C：/OpenCV2.0/include/opencv/cv.h:701:警告：已定义但未使用"cvSubdiv2DEdgeDst"C：/OpenCV2.0/include/opencv/cv.h:708：警告：已定义但未使用"cvTriangleArea"C：/OpenCV2.0/include/opencv/cv.h:892：警告：已定义但未使用"cvCalcHist"C：/OpenCV2.0/include/opencv/cv.h:1136:警告：已定义但未使用"cvSURFPoint"C：/OpenCV2.0/include/opencv/cv.h:1207:警告：已定义但未使用"cvStarKeypoint"C：/OpenCV2.0/include/opencv/cv.h:1231:警告：已定义但未使用"cvStarDetectorParams"C：/OpenCV2.0/include/opencv/cvcompt.h:112:警告：已定义但未使用"cvMatArray"C：/OpenCV2.0/include/opencv/cvcompat.h:127:警告：已定义但未使用"cvMean"C：/OpenCV2.0/include/opencv/cvcompat.h:134:警告：已定义但未使用"cvSumPixels"C：/OpenCV2.0/include/opencv/cvcompt.h:141:警告：已定义但未使用"cvMean_StdDev"C：/OpenCV2.0/include/opencv/cvcompat.h:154:警告：已定义但未使用"cvmPerspectiveProject"C：/OpenCV2.0/include/opencv/cvcompt.h:165:警告：已定义但未使用"cvFillImage"C：/OpenCV2.0/include/opencv/cvcompt.h:216：警告：已定义但未使用"cvRandInit"C：/OpenCV2.0/include/opencv/cvcompt.h:249：警告：已定义但未使用"cvbRand"C：/OpenCV2.0/include/opencv/cvcompat.h:257:警告：已定义但未使用"cvbPartners ToPolar"C：/OpenCV2.0/include/opencv/cvcompat.h:273：警告：已定义但未使用"cvbAstArctan"C：/OpenCV2.0/include/opencv/cvcompat.h:286：警告：已定义但未使用"cvbSqrt"C：/OpenCV2.0/include/opencv/cvcompat.h:296:警告：已定义但未使用"cvbInvSqrt"C：/OpenCV2.0/include/opencv/cvcompat.h:306:警告：已定义但未使用"cvbInterversal"C：/OpenCV2.0/include/opencv/cvcompat.h:316：警告：已定义但未使用"cvbCastExp"C：/OpenCV2.0/include/opencv/cvcompat.h:324：警告：已定义但未使用"cvbCastLog"C：/OpenCV2.0/include/opencv/cvcompt.h:332:警告：已定义但未使用"cvContourBoundingRect"C：/OpenCV2.0/include/opencv/cvcompt.h:338:警告：已定义但未使用"cvPseudoInverse"C：/OpenCV2.0/include/opencv/cvcompt.h:385:警告：已定义但未使用"cvConvexHull"C：/OpenCV2.0/include/opencv/cvcompt.h:413：警告：已定义但未使用"cvMinAreaRect"C：/OpenCV2.0/include/opencv/cvcompat.h:434:警告：已定义但未使用"cvFitLine3D"C：/OpenCV2.0/include/opencv/cvcompat.h:444:警告：已定义但未使用"cvFitLine2D"C：/OpenCV2.0/include/opencv/cvcompat.h:453:警告：已定义但未使用"cvFitEllipse"C：/OpenCV2.0/include/opencv/cvcompat.h:446:警告：已定义但未使用"cvProject3D"C：/OpenCV2.0/include/opencv/cvcompt.h:506:警告：已定义但未使用"cvHoughLines"C：/OpenCV2.0/include/opencv/cvcompt.h:519：警告：已定义但未使用"cvHoughLinesP"C：/OpenCV2.0/include/opencv/cvcompt.h:531:警告：已定义但未使用"cvHoughLinesSDiv"C：/OpenCV2.0/include/opencv/cvcompat.h:543:警告：已定义但未使用"cvFindFundamentalMatrix"C：/OpenCV2.0/include/opencv/cvcompat.h:577:警告：已定义但未使用"cvFindChessBoardCornerGuesses"C：/OpenCV2.0/include/opencv/cvcompat.h:588：警告：已定义但未使用"cvCalibrateCamer"C：/OpenCV2.0/include/opencv/cvcompat.h:613：警告：已定义但未使用"cvCalibrateCamera_64d"C：/OpenCV2.0/include/opencv/cvcompat.h:642：警告：已定义但未使用"cvFindExtrinicCameraParams"C：/OpenCV2.0/include/opencv/cvcompat.h:667：警告：已定义但未使用"cvFindExtrinicCameraParams_64d"C：/OpenCV2.0/include/opencv/cvcompt.h:693：警告：已定义但未使用"cvRodrigues"C：/OpenCV2.0/include/opencv/cvcompt.h:711：警告：已定义但未使用"cvProjectPoints"C：/OpenCV2.0/include/opencv/cvcompat.h:740:警告：已定义但未使用"cvProjectPointsSimple"C：/OpenCV2.0/include/opencv/cvcompat.h:771：警告：已定义但未使用"cvUnDistortInit"C：/OpenCV2.0/include/opencv/cvcompat.h:786：警告：已定义但未使用"cvUnDistort"C：/OpenCV2.0/include/opencv/cvcompat.h:804：警告：已定义但未使用"cvCalcEMD"C：/OpenCV2.0/include/opencv/cvcompat.h:815：警告：已定义但未使用"cvKMeans"C：/OpenCV2.0/include/opencv/cvcompat.h:829：警告：已定义但未使用"cvStartScanGraph"C：/OpenCV2.0/include/opencv/cvcompat.h:842：警告：已定义但未使用"cvEndScanGraph"C：/OpenCV2.0/include/opencv/cvcompat.h:862：警告：已定义但未使用"cvLineAA"C：/OpenCV2.0/include/opencv/cvcompt.h:868:警告：已定义但未使用"cvCircleAA"C：/OpenCV2.0/include/opencv/cvcompat.h:876:警告：已定义但未使用"cvEllipseAA"C：/OpenCV2.0/include/opencv/cvcompat.h:883:警告：已定义但未使用"cvPolyLineAA"已完工建筑：/src/Open_CV.c
生成目标：Open_CV.exe调用：跨GCC链接器gcc-L"C:\OpenCV2.0\lib"-o"Open_CV.exe"/src/Open_CV.o-lcv200-lhighgui200./src/Open_CV.o:在函数cvDecRefData':
C:/OpenCV2.0/include/opencv/cxcore.h:159: undefined reference tocvFree'中C：/OpenCV2.0/include/opencv/cxcore.h:167：未定义对_cvFree_'
./src/Open_CV.o: In functioncvGetRow的引用'：C：/OpenCV2.0/include/opencv/cxcore.h:209：未定义对_cvGetRows'
./src/Open_CV.o: In functioncvGetCol的引用：C：/OpenCV2.0/include/opencv/cxcore.h:220：对_cvGetCols'
./src/Open_CV.o: In functioncvReleaseMatND'的未定义引用：C：/OpenCV2.0/include/opencv/cxcore.h:249：对_cvReleaseMat'
./src/Open_CV.o: In functioncvSubS'的未定义引用：C：/OpenCV2.0/include/opencv/cxcore.h:523：对_cvAddS'
./src/Open_CV.o: In functioncvCloneSeq'的未定义引用：C：/OpenCV2.0/include/opencv/cxcore.h:1084:对_cvSeqSlice'
./src/Open_CV.o: In functioncvSetNew'的未定义引用：C：/OpenCV2.0/include/opencv/cxcore.h:1135：对_cvSetAdd'
./src/Open_CV.o: In functioncvGetSetElem'的未定义引用：C：/OpenCV2.0/include/opencv/cxcore.h:1157：未定义对_cvGetSeqElem'
./src/Open_CV.o: In functioncvEllipseBox'的引用：C：/OpenCV2.0/include/opencv/cxcore.h:1328：对_cvEllipse'
./src/Open_CV.o: In functioncvFont'的未定义引用：C：/OpenCV2.0/include/opencv/cxcore.h:1416：对_cvInitFont'
./src/Open_CV.o: In functioncvReadIntByName'的未定义引用：C：/OpenCV2.0/include/opencv/cxcore.h:1673:对_cvGetFileNodeByName'
./src/Open_CV.o: In functioncvReadRealByName'的未定义引用：C：/OpenCV2.0/include/opencv/cxcore.h:1688:对_cvGetFileNodeByName'
./src/Open_CV.o: In functioncvReadStringByName'的未定义引用：C：/OpenCV2.0/include/opencv/cxcore.h:1702：对_cvGetFileNodeByName'
./src/Open_CV.o: In functioncvReadByName'的未定义引用：C：/OpenCV2.0/include/opencv/cxcore.h:1714：对_cvGetFileNodeByName'
C:/OpenCV2.0/include/opencv/cxcore.h:1714: undefined reference to_cvRead的未定义引用./src/Open_CV.o:在函数cvMean':
C:/OpenCV2.0/include/opencv/cvcompat.h:128: undefined reference to_cvAvg'中./src/Open_CV.o:在函数cvSumPixels':
C:/OpenCV2.0/include/opencv/cvcompat.h:135: undefined reference to_cvSum'中./src/Open_CV.o:在函数cvMean_StdDev':
C:/OpenCV2.0/include/opencv/cvcompat.h:143: undefined reference to_cvAvgSdv'中./src/Open_CV.o:在函数cvmPerspectiveProject':
C:/OpenCV2.0/include/opencv/cvcompat.h:157: undefined reference to中_cvReshape'C：/OpenCV2.0/include/opencv/cvcompat.h:158：对_cvReshape'
C:/OpenCV2.0/include/opencv/cvcompat.h:160: undefined reference to_cvPerspectiveTransform的未定义引用./src/Open_CV.o:在函数cvFillImage':
C:/OpenCV2.0/include/opencv/cvcompat.h:166: undefined reference to_cvGetElemType'中C：/OpenCV2.0/include/opencv/cvcompat.h:166:对_cvColorToScalar'
C:/OpenCV2.0/include/opencv/cvcompat.h:166: undefined reference to_cvSet'的未定义引用./src/Open_CV.o:在函数cvRandSetRange':
C:/OpenCV2.0/include/opencv/cvcompat.h:188: undefined reference to_cvError'中C：/OpenCV2.0/include/opencv/cvcompat.h:194:对_cvError'
./src/Open_CV.o: In functioncvRandInit'的未定义引用：C：/OpenCV2.0/include/opencv/cvcompt.h:219：对_cvError'
C:/OpenCV2.0/include/opencv/cvcompat.h:225: undefined reference to_cvError'的未定义引用./src/Open_CV.o:在函数cvRand':
C:/OpenCV2.0/include/opencv/cvcompat.h:240: undefined reference to_cvError'中C：/OpenCV2.0/include/opencv/cvcompat.h:243：未定义对_cvRandArr'
./src/Open_CV.o: In functioncvbPartners ToPolar的引用：C：/OpenCV2.0/include/opencv/cvcompat.h:267：未定义对_cvCartToPolar'
./src/Open_CV.o: In functioncvbAstArctan'的引用：C：/OpenCV2.0/include/opencv/cvcompat.h:281：对_cvCartToPolar'
./src/Open_CV.o: In functioncvbSqrt'的未定义引用：C：/OpenCV2.0/include/opencv/cvcompat.h:291：对_cvPow'
./src/Open_CV.o: In functioncvbInvSqrt'的未定义引用：C：/OpenCV2.0/include/opencv/cvcompat.h:301：未定义对_cvPow'
./src/Open_CV.o: In functioncvb交互的引用：C：/OpenCV2.0/include/opencv/cvcompat.h:311:对_cvPow'
./src/Open_CV.o: In functioncvbastExp'的未定义引用：C：/OpenCV2.0/include/opencv/cvcompat.h:319：未定义对_cvExp'
./src/Open_CV.o: In functioncvbLastLog'的引用：C：/OpenCV2.0/include/opencv/cvcompt.h:327：对_cvLog'
./src/Open_CV.o: In functioncvPseudoInverse的未定义引用：C：/OpenCV2.0/include/opencv/cvcompat.h:339：对_cvInvert'
./src/Open_CV.o: In functioncvProject3D'的未定义引用：C：/OpenCV2.0/include/opencv/cvcompat.h:473：对_cvTransform'
./src/Open_CV.o: In functioncvFindFundamentalMatrix的未定义引用'：C：/OpenCV2.0/include/opencv/cvcompat.h:549：对_cvCreateMat'
C:/OpenCV2.0/include/opencv/cvcompat.h:550: undefined reference to_cvCreateMat的未定义引用C：/OpenCV2.0/include/opencv/cvcompat.h:566：对_cvReleaseMat'
C:/OpenCV2.0/include/opencv/cvcompat.h:567: undefined reference to_cvReleaseMat'的未定义引用./src/Open_CV.o:在函数cvUnDistortInit':
C:/OpenCV2.0/include/opencv/cvcompat.h:774: undefined reference to中_cvGetRawData'./src/Open_CV.o:在函数cvUnDistort':
C:/OpenCV2.0/include/opencv/cvcompat.h:790: undefined reference to_cvGetRawData'中./src/Open_CV.o:在函数cvKMeans':
C:/OpenCV2.0/include/opencv/cvcompat.h:816: undefined reference to中_cvCreateMat'C：/OpenCV2.0/include/opencv/cvcompat.h:821：对_cvKMeans2'
C:/OpenCV2.0/include/opencv/cvcompat.h:822: undefined reference to_cvReleaseMat'的未定义引用./src/Open_CV.o:在函数cvStartScanGraph':
C:/OpenCV2.0/include/opencv/cvcompat.h:833: undefined reference to_cvError'中C：/OpenCV2.0/include/opencv/cvcompat.h:835：对_cvCreateGraphScanner'
C:/OpenCV2.0/include/opencv/cvcompat.h:837: undefined reference tocvFree的未定义引用'./src/Open_CV.o:在函数cvEndScanGraph':
C:/OpenCV2.0/include/opencv/cvcompat.h:844: undefined reference to_cvError'中C：/OpenCV2.0/include/opencv/cvcompat.h:848：对_cvAlloc'
C:/OpenCV2.0/include/opencv/cvcompat.h:850: undefined reference to_cvReleaseGraphScanner的未定义引用./src/Open_CV.o:在函数cvLineAA':
C:/OpenCV2.0/include/opencv/cvcompat.h:863: undefined reference to中_cvGetElemType'C：/OpenCV2.0/include/opencv/cvcompat.h:863:对_cvColorToScalar'
C:/OpenCV2.0/include/opencv/cvcompat.h:863: undefined reference to_cvLine'的未定义引用./src/Open_CV.o:在函数cvCircleAA':
C:/OpenCV2.0/include/opencv/cvcompat.h:869: undefined reference to_cvGetElemType'中C：/OpenCV2.0/include/opencv/cvcompat.h:869:未定义对_cvColorToScalar'
C:/OpenCV2.0/include/opencv/cvcompat.h:869: undefined reference to_cvCircle的引用'./src/Open_CV.o:在函数cvEllipseAA':
C:/OpenCV2.0/include/opencv/cvcompat.h:877: undefined reference to_cvGetElemType'中C：/OpenCV2.0/include/opencv/cvcompat.h:877：对_cvColorToScalar'
C:/OpenCV2.0/include/opencv/cvcompat.h:877: undefined reference to_cvEllipse的未定义引用makefile:30:目标Open_CV.exe' failed
./src/Open_CV.o: In functioncvPolyLineAA'的配方：C：/OpenCV2.0/include/opencv/cvcompat.h:884:对_cvGetElemType'
C:/OpenCV2.0/include/opencv/cvcompat.h:884: undefined reference to_cvColorToScalar'的未定义引用C：/OpenCV2.0/include/opencv/cvcompat.h:884:对"_cvPolyLine"的未定义引用collect2:ld返回1退出状态make:*[Open_CV.exe]错误1
我想您错过了链接libcxcore"-lcxcore"(或者可能是"-lcvaux")。