[CMake] Cmake : undefined reference to `udev_device_get_devnode'

Nils Gladitz nilsgladitz at gmail.com
Fri Nov 20 08:04:41 EST 2015


On 11/20/2015 01:39 PM, Nikita Barawade wrote:
>
> ../../../LLAPI/build/Source/libLLAPI.so: undefined reference to 
> `udev_device_get_devnode'
>
>
> Before this, while buildinga library libLLAPI.so I got error " fatal 
> error: libudev.h: No such file or directory" .
>
> It worked fine after installing libudev-dev .
>
>

These errors indicate that libLLAPI.so uses function from libudev but 
probably does not actually link to the library.
Assuming it is missing you will need an appropriate 
target_link_libraries() call for your LLAPI target so that it links to 
libudev.

Nils
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