[gentoo-dev] Qt question: GNU_PROPERTY_1_NEEDED_INDIRECT_EXTERN_ACCESS

From	Andrey Grozin <grozin@gentoo.org>
Newsgroups	linux.gentoo.dev
Subject	[gentoo-dev] Qt question: GNU_PROPERTY_1_NEEDED_INDIRECT_EXTERN_ACCESS
Date	2026-04-19 11:00 +0200
Message-ID	<MLwat-glgE-1@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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Hello *,

I'm trying to resurrect master-pdf-editor (this is a proprietary binary 
program, non-commercial use is allowed for free). The newest version 
5.9.98 uses Qt6, not Qt5 like older versions. I've prepared an ebuild for 
this version (it RDEPENDS on very many libraries). But I get

grozin@localhost ~/H4/corr4/yaf $ mpe5 lb0.pdf
13:09:47 19.04.26  Main:  Open one window: 1
warning: direct reference to protected function 
`_ZN7QWidget11changeEventEP6QEvent' in `/usr/lib64/libQt6Widgets.so.6' may 
break pointer equality
/opt/master-pdf-editor-5/masterpdfeditor5: 
_ZN7QWidget11changeEventEP6QEvent: /usr/lib64/libQt6Widgets.so.6: error 
due to GNU_PROPERTY_1_NEEDED_INDIRECT_EXTERN_ACCESS

Googling GNU_PROPERTY_1_NEEDED_INDIRECT_EXTERN_ACCESS I see that many 
users have this problem, mostly on arch, e.g.

https://github.com/slint-ui/slint/issues/7174
https://github.com/PrismLauncher/PrismLauncher/issues/991
https://qt-project.atlassian.net/browse/QTBUG-115261
https://github.com/juzzlin/Heimer/issues/255

It seems qtbase in Gentoo (and arch) is compiled in a way that makes it 
incompatible with binary programs compiled for other distros. Is there any 
way to overcome this problem? After a long struggle for a Qt6 version of 
master-pdf-editor we at last have it, but it does not run...

Andrey

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[gentoo-dev] Qt question: GNU_PROPERTY_1_NEEDED_INDIRECT_EXTERN_ACCESS Andrey Grozin <grozin@gentoo.org> - 2026-04-19 11:00 +0200
  Re: [gentoo-dev] Qt question:  GNU_PROPERTY_1_NEEDED_INDIRECT_EXTERN_ACCESS Sam James <sam@gentoo.org> - 2026-04-19 18:20 +0200
    Re: [gentoo-dev] Qt question:  GNU_PROPERTY_1_NEEDED_INDIRECT_EXTERN_ACCESS Ionen Wolkens <ionen@gentoo.org> - 2026-04-19 18:40 +0200
      Re: [gentoo-dev] Qt question:  GNU_PROPERTY_1_NEEDED_INDIRECT_EXTERN_ACCESS Ionen Wolkens <ionen@gentoo.org> - 2026-04-19 18:50 +0200
      Re: [gentoo-dev] Qt question:  GNU_PROPERTY_1_NEEDED_INDIRECT_EXTERN_ACCESS Andrey Grozin <grozin@gentoo.org> - 2026-04-22 06:00 +0200
        Re: [gentoo-dev] Qt question:  GNU_PROPERTY_1_NEEDED_INDIRECT_EXTERN_ACCESS Ionen Wolkens <ionen@gentoo.org> - 2026-04-22 07:00 +0200

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