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List:       cmake
Subject:    Re: [CMake] CMake 3.7.1 gui fails to launch
From:       Daniel Schepler <dschepler () scalable-networks ! com>
Date:       2017-01-09 18:08:58
Message-ID: E80C0FB7C5F9C7489F5E4B83BAD92C94010C3F4407 () SNTMAIL01 ! snt ! loc
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Another alternative, which is the one we use here, is to configure the custom Qt \
build with a "-qtlibinfix" flag - which produces libraries with completely different \
SONAMEs so there's no conflict.  (We use this in conjunction with an RPATH.)  One \
thing that could break is that some distributions set QT_PLUGIN_PATH for KDE logins \
which causes errors on trying to load incompatible plugins, so they might need to \
                unset QT_PLUGIN_PATH in their wrapper script.
-- 
Daniel
________________________________________
From: CMake [cmake-bounces@cmake.org] on behalf of Hendrik Sattler \
                [post@hendrik-sattler.de]
Sent: Saturday, January 07, 2017 12:11 AM
To: cmake@cmake.org; daryl@daryllee.com; Alan W. Irwin
Subject: Re: [CMake] CMake 3.7.1 gui fails to launch

Am 6. Januar 2017 23:37:00 MEZ schrieb daryl@daryllee.com:
> And the answer is...
> 
> I recently installed an IDE from a not-to-be-named company that I do a
> 
> lot of business with.  The installation of that software places their
> installation directory in LD_LIBRARY_PATH and guess what? their
> installation contains a copy of libQtGui.so and libQtCore.so.  The
> "ldd" tip led me to that discovery.  For now I have put
> /usr/lib/x86_64-linux-gnu in front of their path in LD_LIBRARY_PATH
> and cmake-gui V3.7.1 is working.  I may have to come up with a more
> permanent fix, but for now their stuff seems to work and CMake seems
> to work, so I'm claiming victory.

Maybe as a customer you should tell them about this bad experience. They should \
either set RPATH in their programs or should set LD_LIBRARY_PATH only in a start \
wrapper script. In a program that lets the user start other programs, RPATH should be \
preferred or  LD_LIBRARY_PATH should be cleaned up for child processes.

HS

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Kitware offers various services to support the CMake community. For more information \
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