#pragma once

#include <QObject>

namespace A
{
class Base : public QObject
{
    Q_OBJECT

public:
    Base(QObject* parent = nullptr) : QObject{parent} {}
};
} // namespace A

#pragma once

#include <QObject>

namespace B
{
class Base : public QObject
{
    Q_OBJECT

public:
    Base(QObject* parent = nullptr) : QObject{parent} {}
};
} // namespace B

Conflicting instances of rule '[cpp,hpp,moc_cpp,unmocable][cpp,hpp,objcpp]':
Output artifact '/home/xxx/Build/QbsSameMoc/GCC-Debug/qtc_GCC_Debug/QbsSameMoc.55438583/qt.headers/moc_Base.cpp' is to be produced from input artifacts '/home/xxx/Develop/QbsSameMoc/B/Base.h' and '/home/xxx/Develop/QbsSameMoc/A/Base.h', but the rule is not a multiplex rule.