openCV 2.4.7错误添加符号：命令行中缺少DSO

问题描述

我有一个自编译opencv的问题...

XUbuntu 13.10 x64
gcc version 4.8.1

简单的例子就是工作。
我的问题是，我想在xubuntu中使用nonfree（SURF）包。

现在我想编译这些示例

并获得此错误（主题）

构建目标：SURF_Example
调用：GCC C ++链接器

libopencv_features2d.so.2.4：错误添加符号：命令行中缺少DSO

有任何帮助吗？

解决方案

缺少lib features2d。尝试

  g ++ -L / usr / local / lib -oSURF_Example./example.o -lopencv_nonfree -lopencv_objdetect -lopencv_features2d -lopencv_imgproc -lopencv_highgui -lopencv_core 
  

i've got a Problem with a self compiled opencv...

XUbuntu 13.10 x64gcc version 4.8.1

Everthing looks fine. Simple examples will be work.My problem is, i want to use the nonfree(SURF) package in xubuntu.

Now i want to compile these examplehttp://docs.opencv.org/doc/tutorials/features2d/feature_detection/feature_detection.htmland get this error (Topic)

Building target: SURF_ExampleInvoking: GCC C++ Linker

libopencv_features2d.so.2.4: error adding symbols: DSO missing from command line

Any help?

解决方案

Probably, problem is in incorrect linking order and missing lib features2d. Try

g++ -L/usr/local/lib -o "SURF_Example" ./example.o -lopencv_nonfree -lopencv_objdetect -lopencv_features2d -lopencv_imgproc -lopencv_highgui -lopencv_core

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