View Full Version : Compiling Error, OpenCV: cv.h: No such file or directory
Lieske
June 4th, 2013, 03:44 AM
I'm attempting to complie some code written in c++
g++ codename.cpp -o codename
However, when I try compiling I get the error:
codename.cpp:4:16: fatal error: cv.h: No such file or directory
Can someone shed on light on what this error means?
DreeDrunk
June 4th, 2013, 05:48 PM
It seems that the compiler cannot find the header file with the name cv.h called in the fourth line of your code.
steeldriver
June 4th, 2013, 06:24 PM
It's part of the older C API I think - you need libcv-dev as well as libopencv-dev, then you need to give the include path - easiest way is via pkg-config
g++ `pkg-config --cflags opencv` codename.cpp -o codename
Likewise you will need to tell the linker where to find the actual libs
g++ `pkg-config --cflags opencv` codename.cpp `pkg-config --libs opencv` -o codename
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