FFI::Platypus

build

qmake-qt5 && make -j

testapp.cpp

#include <testapp.h>
#include <QApplication>
#include <wobjectimpl.h>

W_OBJECT_IMPL(Testapp)

Testapp::Testapp(QWidget *parent) : QMainWindow(parent) {
}

Testapp::~Testapp() {
}

int main(int argc, char *argv[]) {
    QApplication a(argc, argv);
    Testapp w;
    w.show();
    return a.exec();
}

testapp.h

#ifndef TESTAPP_H_INCLUDED
#define TESTAPP_H_INCLUDED

#include <wobjectdefs.h>
#include <QObject>
#include <QMainWindow>

class Testapp : public QMainWindow {
    W_OBJECT(Testapp)

public:
    Testapp(QWidget *parent = nullptr);
    ~Testapp();
};

#endif // TESTAPP_H_INCLUDED

Testapp.pm

package Testapp;
use FFI::Platypus;
use FFI::Platypus::Memory qw(free malloc);

my $ffi = FFI::Platypus->new;
$ffi->lang('CPP');
$ffi->lib('./testapp.o');

testapp.pro

QT += core gui widgets
CONFIG += c++14
DEFINES += QT_DEPRECATED_WARNINGS
SOURCES += \
    testapp.cpp
HEADERS += \
    testapp.h
INCLUDEPATH += ../verdigris/src  # https://github.com/woboq/verdigris