QT找不到openCV的库 [英] QT can't find openCV's libs

问题描述

我已经通过此指令.

当我使用OpenCV并通过cmake构建代码时-没关系. 但是现在我正尝试从QT使用OpenCV，但出现如下错误:

I use OpenCV when and build the code via cmake - and it's all ok. But now I'm trying to use OpenCV from QT, and I get errors like this:

 error: undefined reference to `cvCreateCameraCapture'

来自OpenCV的所有功能的相同错误.

The same errors for all functions from OpenCV.

我试图在.pro中添加以下代码:

I tried to add in .pro this code:

INCLUDEPATH += /usr/local/include/opencv2
LIBS += -L/usr/local/lib
LIBS += -lopencv_core
LIBS += -lopencv_imgproc
LIBS += -lopencv_highgui
LIBS += -lopencv_ml
LIBS += -lopencv_video
LIBS += -lopencv_features2d
LIBS += -lopencv_calib3d
LIBS += -lopencv_objdetect
LIBS += -lopencv_contrib
LIBS += -lopencv_legacy
LIBS += -lopencv_flann

但这是行不通的. dir /usr/local/include/opencv2存在且不为空.

But it isn't work. The dir /usr/local/include/opencv2 exist and not empty.

那么，怎么了?

推荐答案

将此添加到.pro文件:

Add this to .pro file:

LIBS += "pkg-config --libs opencv"         

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