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…

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…

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…

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…

.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…

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.…

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…

CXX/LD -o .build_release/tools/convert_imageset.bin.build_release/lib/libcaffe.so: undefined reference to `cv::VideoCapture::set(int, double)'.build_release/lib/libcaffe.so: undefined reference to `cv::VideoCapture::open(int)'//home/chenwending/anaco…

moc_fortunethread.cpp:100: error: undefined reference to `FortuneThread::GetToParentThread(QString, QString)' collect2.exe:-1: error: error: ld returned 1 exit status ////////////////////////// 信号曹未添加实现而引起的错误,添加实现后错误立即消失.holy shit !!!…

HAL层和JNI层中的打印都必须包含下面的宏和头文件. 比如:LOGD.LOGE等等. #define LOG_TAG "TEST_LED" #include <utils/Log.h> 添加了,编译时还是会报错. hardware/rockchip/test/led_hal.c:: error: undefined reference to 'LOGD' hardware/rockchip/test/led_hal.c:: error: undefined referen…