VS 2013 OpenCV 错误：找不到或打开 PDB 文件

Question

当我在编译一个 opencv 示例项目时，我有这样的错误：

'opencv2.exe' (Win32): Loaded 'C:\opencv\build\x64\vc12\bin\opencv_core248.dll'. Cannot find or open the PDB file.
'opencv2.exe' (Win32): Loaded 'C:\opencv\build\x64\vc12\bin\opencv_highgui248.dll'. Cannot find or open the PDB file.
'opencv2.exe' (Win32): Loaded 'C:\opencv\build\x64\vc12\bin\opencv_contrib248.dll'. Cannot find or open the PDB file.
'opencv2.exe' (Win32): Loaded 'C:\opencv\build\x64\vc12\bin\opencv_flann248.dll'. Cannot find or open the PDB file.
'opencv2.exe' (Win32): Loaded 'C:\opencv\build\x64\vc12\bin\opencv_imgproc248.dll'. Cannot find or open the PDB file.
'opencv2.exe' (Win32): Loaded 'C:\opencv\build\x64\vc12\bin\opencv_features2d248.dll'. Cannot find or open the PDB file.
'opencv2.exe' (Win32): Loaded 'C:\opencv\build\x64\vc12\bin\opencv_calib3d248.dll'. Cannot find or open the PDB file.
'opencv2.exe' (Win32): Loaded 'C:\opencv\build\x64\vc12\bin\opencv_ml248.dll'. Cannot find or open the PDB file.
'opencv2.exe' (Win32): Loaded 'C:\opencv\build\x64\vc12\bin\opencv_video248.dll'. Cannot find or open the PDB file.
'opencv2.exe' (Win32): Loaded 'C:\opencv\build\x64\vc12\bin\opencv_objdetect248.dll'. Cannot find or open the PDB file.

Answer 1

哦，这里经常有人回答这个问题..

首先，这没有错误。这是一个警告。 prebuilt opencv 库确实没有 pdb 文件（dl 大小）。

所以，您仍然可以运行/调试您自己的代码，但在调试时不能深入到 opencv 库中。

再次，没有错误。如果您仍然需要该功能，则必须使用 cmake 在本地重建 opencv，这也会生成那些 pdb 文件。