opencv报错: test.cpp:(.text+0xc0): undefined reference to `cv::imread(std::string const&, int)' test.cpp:(.text+0x11f): undefined reference to `cv::_OutputArray::_OutputArray(cv::Mat&)' This is a linker issue. Try: g++ -o test_1 test_1.cpp ` pkg-con…

g++ main.cpp -o main `pkg-config --libs --cflags opencv`注意--libs的位置https://stackoverflow.com/questions/25476466/error-undefined-reference-to-cvimreadstdstring-const-int…

Ubuntu下编译一个C++文件,C++源程序中使用了opencv,opencv的安装没有问题,但是在编译的过程中出现如下错误: undefined reference to `cv::imread(std::string const&, int)'undefined reference to `cv::noArray()'undefined reference to `cv::_OutputArray::_OutputArray(cv::Mat&)'undefined reference…

转自:https://www.douban.com/note/568788483/ CXX/LD -o .build_release/tools/convert_imageset.bin.build_release/lib/libcaffe.so: undefined reference to cv::imread(cv::String const&, int)' .build_release/lib/libcaffe.so: undefined reference tocv::imencode…

when I compile caffe file : .build_debug/lib/libcaffe.so: undefined reference to `cv::imread(cv::String const&, int)'.build_debug/lib/libcaffe.so: undefined reference to `cv::imencode(cv::String const&, cv::_InputArray const&, std::vector<u…

使用opencv,编译出错: undefined reference to cv::imread(cv::String const&, int) 自opencv3.0之后,图像读取相关代码在imgcodes中. 所以需要添加libopencv_imgcodecs库.…

.build_release/lib/libcaffe-nv.so: undefined reference to cv::imread(cv::String const&, int)' .build_release/lib/libcaffe-nv.so: undefined reference tocv::imencode(cv::String const&, cv::_InputArray const&,  std::vector >&, std::vector…

参考 http://www.code-by.org/viewtopic.php?f=54&t=163…

今天照着一起做RGB-D SLAM (3)    , 程序会出现以下的错误: cv::initModule_nonfree(); /home/yhzhao/slam/src/detectFeatures.cpp:32: undefined reference to `cv::initModule_nonfree()' 非常奇怪,我在自己的libs目录里可以找到 libopencv_nonfree.so.2.4.9 . 可是在自己的cmake中 cmake 中 message("OpenCV_LI…

1. 说明 使用clang++10.1编译报错: /usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/crt1.o: in function `_start': (.text+0x24): undefined reference to `main' clang-10: error: linker command failed with exit code 1 (use -v to see invocatio…