#0  0x00007fc7a1cffcae in __GI___libc_free (mem=0x55806f43fb69) at malloc.c:3255
        ar_ptr = <optimized out>
        p = <optimized out>
        err = <optimized out>
#1  0x00007fc771ee9613 in osgeo::proj::common::UnitOfMeasure::~UnitOfMeasure() () from /lib/x86_64-linux-gnu/libproj.so.19
No symbol table info available.
#2  0x00007fc7a1ca04e5 in __run_exit_handlers (status=0, listp=0x7fc7a1e6f818 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true, run_dtors=run_dtors@entry=true) at exit.c:113
        atfct = <optimized out>
        onfct = <optimized out>
        cxafct = <optimized out>
        arg = 0x7fc779fe0060 <osgeo::proj::common::UnitOfMeasure::PPM_PER_YEAR>
        f = <optimized out>
        new_exitfn_called = <optimized out>
        cur = 0x5585372ccec0
#3  0x00007fc7a1ca0660 in __GI_exit (status=<optimized out>) at exit.c:143
No locals.
#4  0x0000558536c38e37 in ?? ()
No symbol table info available.
#5  0x0000558536c418d3 in ?? ()
No symbol table info available.
#6  0x0000558536c415b5 in ?? ()
No symbol table info available.
#7  0x0000558536c41052 in ?? ()
No symbol table info available.
#8  0x00007fc7a23a2da3 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#9  0x00007fc7a375ca86 in QAbstractButton::clicked(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#10 0x00007fc7a375cd0e in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#11 0x00007fc7a375e934 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#12 0x00007fc7a375eb57 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#13 0x00007fc7a36aa2ee in QWidget::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#14 0x00007fc7a36676b3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#15 0x00007fc7a366f2e4 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#16 0x00007fc7a236b4ba in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#17 0x00007fc7a366ddc7 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#18 0x00007fc7a36c3b30 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#19 0x00007fc7a36c6dc5 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#20 0x00007fc7a36676b3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#21 0x00007fc7a236b4ba in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#22 0x00007fc7a29991f7 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
No symbol table info available.
#23 0x00007fc7a296e9ac in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
No symbol table info available.
#24 0x00007fc79deb6b8e in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
No symbol table info available.
#25 0x00007fc7a3c76b0b in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#26 0x00007fc7a3ccab98 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#27 0x00007fc7a3c741d3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#28 0x00007fc7a23c4828 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#29 0x00007fc7a2369deb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#30 0x00007fc7a2372374 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#31 0x0000558536c368b0 in main ()
No symbol table info available.