X2Go Bug report logs - #993
gcc 6 compile error

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Package: x2godesktopsharing; Maintainer for x2godesktopsharing is X2Go Developers <x2go-dev@lists.x2go.org>;

Reported by: Orion Poplawski <orion@cora.nwra.com>

Date: Sat, 6 Feb 2016 21:05:02 UTC

Severity: normal

Tags: pending

Found in version 3.1.1.2

Fixed in version 3.1.1.3

Done: X2Go Release Manager <git-admin@x2go.org>

Bug is archived. No further changes may be made.

Full log


Message #5 received at submit@bugs.x2go.org (full text, mbox, reply):

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To: submit@bugs.x2go.org
From: Orion Poplawski <orion@cora.nwra.com>
Subject: gcc 6 compile error
Message-ID: <56B65F14.6070407@cora.nwra.com>
Date: Sat, 6 Feb 2016 14:01:08 -0700
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101
 Thunderbird/38.5.0
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Content-Type: multipart/mixed;
 boundary="------------010703040700060707090306"
[Message part 1 (text/plain, inline)]
Package: x2godesktopsharing
Version: 3.1.1.2

x2godesktopsharing fails to compile with gcc 6 with:

sharetray.cpp: In constructor 'ShareTray::ShareTray()':
sharetray.cpp:97:46: error: call of overloaded 'abs(uint)' is ambiguous
      QDateTime::currentDateTime().toTime_t() ) <5 )
                                              ^
In file included from /usr/include/c++/6.0.0/cstdlib:75:0,
                 from /usr/include/c++/6.0.0/bits/stl_algo.h:59,
                 from /usr/include/c++/6.0.0/algorithm:62,
                 from /usr/include/QtCore/qglobal.h:68,
                 from /usr/include/QtCore/qnamespace.h:45,
                 from /usr/include/QtCore/qobjectdefs.h:45,
                 from /usr/include/QtGui/qwindowdefs.h:45,
                 from /usr/include/QtGui/qwidget.h:46,
                 from /usr/include/QtGui/qmainwindow.h:45,
                 from /usr/include/QtGui/QMainWindow:1,
                 from sharetray.h:14,
                 from sharetray.cpp:12:
/usr/include/stdlib.h:774:12: note: candidate: int abs(int)
 extern int abs (int __x) __THROW __attribute__ ((__const__)) __wur;
            ^~~
In file included from /usr/include/c++/6.0.0/bits/stl_algo.h:59:0,
                 from /usr/include/c++/6.0.0/algorithm:62,
                 from /usr/include/QtCore/qglobal.h:68,
                 from /usr/include/QtCore/qnamespace.h:45,
                 from /usr/include/QtCore/qobjectdefs.h:45,
                 from /usr/include/QtGui/qwindowdefs.h:45,
                 from /usr/include/QtGui/qwidget.h:46,
                 from /usr/include/QtGui/qmainwindow.h:45,
                 from /usr/include/QtGui/QMainWindow:1,
                 from sharetray.h:14,
                 from sharetray.cpp:12:
/usr/include/c++/6.0.0/cstdlib:180:3: note: candidate: long long int 
std::abs(long long int)
   abs(long long __x) { return __builtin_llabs (__x); }
   ^~~
/usr/include/c++/6.0.0/cstdlib:172:3: note: candidate: long int 
std::abs(long int)
   abs(long __i) { return __builtin_labs(__i); }
   ^~~

The attached patch casts the result to an int.

-- 
Orion Poplawski
Technical Manager                     303-415-9701 x222
NWRA, Boulder/CoRA Office             FAX: 303-415-9702
3380 Mitchell Lane                       orion@nwra.com
Boulder, CO 80301                   http://www.nwra.com
[x2godesktopsharing-time.patch (text/x-patch, attachment)]

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