对'cvGetOptimalDFTSize'的未定义引用

undefined reference to `cvGetOptimalDFTSize'

本文关键字:引用 未定义 cvGetOptimalDFTSize      更新时间:2023-10-16

我在arm-linux上使用Opencv-2.1。我正在使用arm-linux-g++编译器。我在链接时遇到了一个奇怪的错误。在讨论错误之前,我将发布make命令

CC = arm-linux-g++
COMPILEFLAGS = -Wall -fPIC -c -O2 -I./
OUT_DLL = libLensFinder.so
DLL_FLAGS = -shared -o
OBJS = SegmentRegions.o
OBJS2 = EdgeDetection.o
OBJS3 = AnalyseRegions.o
OBJS4 = global.o
LINK_FLAGS = -L./ -lLensFinder
LINK_FLAGS_2 = -L./ -lTwoX
INCPATH    = -I/home/zwang/ravi/opencv_include21/opencv/  -I.
all : 
$(CC) $(COMPILEFLAGS) $(INCPATH) global.cpp -o global.o
$(CC) $(COMPILEFLAGS) $(INCPATH) EdgeDetection.cpp -o EdgeDetection.o
$(CC) $(COMPILEFLAGS) $(INCPATH) SegmentRegions.cpp -o SegmentRegions.o
$(CC) $(COMPILEFLAGS) $(INCPATH) AnalyseRegions.cpp -o AnalyseRegions.o
$(CC) $(OBJS) $(OBJS2) $(OBJS3) $(OBJS4) $(DLL_FLAGS) ./$(OUT_DLL) -L/home/zwang/ravi/opencv_include21/lib -lcvaux -lcxcore -lhighgui -lcv -lml -lcxts -lrt
$(CC) $(COMPILEFLAGS) $(INCPATH) sample.cpp
#$(CC) $(LINK_FLAGS) sample.o -o sample 
$(CC) $(LINK_FLAGS) $(LINK_FLAGS_2) sample.o -o sample 

一切都很好,直到最后。在最后一个命令期间,即,在创建可执行文件时,我得到以下错误。

arm-linux-g++ -L./ -lLensFinder -L./ -lTwoX sample.o -o sample
.//libLensFinder.so: undefined reference to `spotrs_'
.//libLensFinder.so: undefined reference to `cvGetOptimalDFTSize'
.//libLensFinder.so: undefined reference to `dgels_'
.//libLensFinder.so: undefined reference to `dgelsd_'
.//libLensFinder.so: undefined reference to `dgesdd_'
.//libLensFinder.so: undefined reference to `cvMulSpectrums'
.//libLensFinder.so: undefined reference to `sgesdd_'
.//libLensFinder.so: undefined reference to `sgetri_'
.//libLensFinder.so: undefined reference to `cvDFT'
.//libLensFinder.so: undefined reference to `dgesv_'
.//libLensFinder.so: undefined reference to `dgetrf_'
.//libLensFinder.so: undefined reference to `dsyevr_'
.//libLensFinder.so: undefined reference to `sgels_'
.//libLensFinder.so: undefined reference to `spotrf_'
.//libLensFinder.so: undefined reference to `sgetrf_'
.//libLensFinder.so: undefined reference to `dpotrf_'
.//libLensFinder.so: undefined reference to `dpotri_'
.//libLensFinder.so: undefined reference to `sgesv_'
.//libLensFinder.so: undefined reference to `ssyevr_'
.//libLensFinder.so: undefined reference to `dpotrs_'
.//libLensFinder.so: undefined reference to `sgelsd_'
.//libLensFinder.so: undefined reference to `spotri_'
.//libLensFinder.so: undefined reference to `dgetri_'
collect2: ld returned 1 exit status
make: *** [all] Error 1

两个未定义的引用是cvMulSpectrums' and cvGetOptimalDFTSize',我猜这是由于opencv。我对其他未定义的引用也没有任何线索。我想我已经连接了所有的图书馆。但仍然不明白如何解决这个问题。有什么建议吗?仅供参考,代码正在visual studio上工作。

这些符号在libopencv_core库文件中定义。

注意arm-linux-g++ -L./ -lLensFinder -L./ -lTwoX sample.o -o sample命令没有将样本与任何opencv库链接起来,所以链接过程抱怨它是有道理的。

你可能应该调整你的构建,这样做:

arm-linux-g++ sample.o -o sample -L./ -lLensFinder -L./ -lTwoX -L/home/zwang/ravi/opencv_include21/lib -lcvaux -lcxcore -lhighgui -lcv -lml -lcxts -lrt