Problem using the tag.lib

[Scott Wheeler]

On 23. Sep 2023, at 20:55, Pedro Mitidieri <mitidieripedro at gmail.com> wrote:
> 
> Hello,
> 
> I have a problem while trying to link taglib to my simple project, which is done in windows with Qt 5.15 and C++. 
> 
> I have followed the steps of the installation guide. As a result, I have 3 folders named bin, include and lib and I have copied them into the folder of my project inside a folder called taglib. So the path to the include folder would be: 
> $root_folder_of_project$/taglib/include . 
> 
> Once I have them there, I have modified the CMakeList.txt to try to use it in my project. To accomplish this, I have added the following lines:
> add_subdirectory("./taglib")
> target_link_libraries(AudioDatabaseManager PRIVATE "absolute_path_to_root_folder\\taglib\\lib")
> 
> The line: target_link_libraries(...) I have added just after the target_link_libraries()  used for connecting the other Qt libraries.
> 
> After these steps, QT Creator 10.0.2 is able to autocomplete the path to the files and autocomplete the classes and their methods. So, I am assuming that it has worked. However, when I try to build, it fails. The error that I am encountering is :
> <image.png>

You’re not linking to TagLib at all, you’re just including the headers.  The easiest way to do that on Linux would be by using pkg-config from CMake.  There’s info on that here:

https://stackoverflow.com/questions/29191855/what-is-the-proper-way-to-use-pkg-config-from-cmake

Just swap SDL for TagLib there.

-Scott
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