Quote Originally Posted by ChrisW67 View Post
The lib part of the library file name is implied. You also need to quote the space in the path.
Qt Code: 
  1. LIBS += $$quote(-L/home/nthung/NVR_Demo_04_06_2010/NVR 8_6_V3/usr/lib)  -lxvidcore
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i removed space but it still does not run