error: undefined reference to. Where?

[remizero]

Hello again, friends.

In this opportunity I am writing to see how far they can guide me with this problem that has been presented to me.

After a question I asked a few weeks ago and orientations of anda_skoa, I have managed to "compile" a project that I have been developing gradually. The point is that when compiling my executable I have the following errors:

/home/remizero/Projects/Qt/ecomoditor-Debug/common/language/libphp.so:-1: error: undefined reference to `With: Ecosoftware :: Ecomoditor :: Common :: Language :: Core :: Model: : ClassAbs :: staticMetaObject '
/home/remizero/Projects/Qt/ecomoditor-Debug/common/addons/libclass-viewer.so:-1: error: undefined reference to `With: Ecosoftware :: Ecomoditor :: Common :: Language :: Core :: Model :: MethodAbs :: getMethodReturn () const '
/home/remizero/Projects/Qt/ecomoditor-Debug/common/libactions.so:-1: error: undefined reference to `With: Ecosoftware :: Ecomoditor :: Common :: CodeGenerator :: Core :: ClassGeneratorAbs :: save (QString) '

/home/remizero/Projects/Qt/ecomoditor-Debug/common/language/libphp.so:-1: error: undefined reference to `With: Ecosoftware :: Ecomoditor :: Common :: Language :: Core :: Model: : ClassAbs :: staticMetaObject '
/home/remizero/Projects/Qt/ecomoditor-Debug/common/addons/libclass-viewer.so:-1: error: undefined reference to `With: Ecosoftware :: Ecomoditor :: Common :: Language :: Core :: Model :: MethodAbs :: getMethodReturn () const '
/home/remizero/Projects/Qt/ecomoditor-Debug/common/libactions.so:-1: error: undefined reference to `With: Ecosoftware :: Ecomoditor :: Common :: CodeGenerator :: Core :: ClassGeneratorAbs :: save (QString) '

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Well they really are more, but I think with them is enough to get an idea of ​​what happens to me. Clarifying that all libraries get to compile completely and without problems, I only throw the undefined reference error when I try to compile the executable that is:

Ecomoditor/bin/ecomoditor

Ecomoditor/bin/ecomoditor

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It should be noted that I have reviewed a lot of documentation and references on the web about this problem, but so far I have not been able to solve it with any solution offered, which in most cases have nothing to do with mine.

I'm working on Debian 9 64bit, QtCreator 4.2.0, Qt 5.7.1

In addition to this, I can comment that all the libraries work correctly, I have tried them all separately and all the code works correctly, costing me a lot to separate this project in libraries because initially I had it as a whole in an app type project.

You may notice some hazards in the .pro files, but it's only so far that I'm programming something serious with Qt and of course there are the errors that are being presented to me. I put what I take so far from the project to have it tested and verify where the error may be and then they can tell me that I am doing wrong and where to go.

By the way, what is commented in .pro files is because I'm not using it yet and so I did not put those portions of code.

No more to add, thank you very much in advance.