我刚刚安装了 OpenCV,并一直在尝试对 DsiplayImage 执行示例。 尝试“cmake”时出现以下错误。
~/Desktop$ cmake . CMake Error at CMakeLists.txt:5 (target_link_libraries): Cannot specify link libraries for target "DisplayImage" which is not built by this project.
-- Configuring incomplete, errors occurred!
下面是实际代码: 显示图像.cpp
#include <cv.h>
#include <highgui.h>
using namespace cv;
int main( int argc, char** argv )
{
Mat image;
image = imread( argv[1], 1 );
if( argc != 2 || !image.data )
{
printf( "No image data \n" );
return -1;
}
namedWindow( "Display Image", CV_WINDOW_AUTOSIZE );
imshow( "Display Image", image );
waitKey(0);
return 0;
}
CmakeLists.txt
cmake_minimum_required(VERSION 2.8)
project( displayimage )
find_package( OpenCV REQUIRED )
add_executable( displayImage displayimage )
target_link_libraries( displayimage ${OpenCV_LIBS} )
最佳答案
应该是
cmake_minimum_required(VERSION 2.8)
PROJECT( displayimage )
FIND_PACKAGE( OpenCV REQUIRED )
ADD_EXECUTABLE( displayimage displayimage.cpp )
TARGET_LINK_LIBRARIES( displayimage ${OpenCV_LIBS} )
我在我的机器上试过这段代码,它有效。也许是因为所有命令都必须是大写字母!不知道,但它有效 干杯:)
关于ubuntu - 使用cmake时出错,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/11375245/