Thanks Lincoln, libsupc++.a library is the answer !
-Original Message-
From: development-bounces+song.7.liu=nokia@qt-project.org
[mailto:development-bounces+song.7.liu=nokia@qt-project.org] On Behalf Of
Liu Song.7 (Nokia-MP/Beijing)
Sent: Monday, October 08, 2012 2:16 PM
To
Another thing: it seems that the libstdc++.so is based on Linux OS, so it can't
be used for target build...
So for the gcc/g++, is there a standalone library for c++ support ?
Thanks,
Song
-Original Message-
From: development-bounces+song.7.liu=nokia@qt-projec
readelf -s -W libsupc++.a | grep UND, still shows:
_ZTVN10__cxxabiv120__si_class_type_infoE
_ZTVN10__cxxabiv121__vmi_class_type_infoE
_ZTVN10__cxxabiv117__class_type_infoE
Thanks,
Song
-Original Message-
From: development-bounces+song.7.liu=nokia@qt-project.org
[mailto:development
collect2 (4.4.1) is used to link.
Thanks,
Song
From: development-bounces+song.7.liu=nokia@qt-project.org
[mailto:development-bounces+song.7.liu=nokia@qt-project.org] On Behalf Of
ext Lincoln Ramsay
Sent: Monday, October 08, 2012 1:00 PM
To: development@qt-project.org
Subject: Re
Hi,
We are building the mesa for Qt, and the gcc is used to build out ARM version.
But the bellow symbols is reported as undefined:
_ZTVN10__cxxabiv120__si_class_type_infoE
_ZTVN10__cxxabiv121__vmi_class_type_infoE
_ZTVN10__cxxabiv117__class_type_infoE
These symbols should be provided by compile
Hi,
I am testing the image loading performance in Qt5, that the image with
different location (qt resource or file system) and using QImage or QPixmap.
Testing is based on a low end devices, and the result is shared as bellow:
Loading perf (240x320 png image)
from resource
from file system
Q
Hi,
Is there some wikis or blogs about how does the text rendering work in Qt5 ?
Thanks,
Song
___
Development mailing list
Development@qt-project.org
http://lists.qt-project.org/mailman/listinfo/development
al Message-
From: development-bounces+song.7.liu=nokia@qt-project.org
[mailto:development-bounces+song.7.liu=nokia@qt-project.org] On Behalf Of
ext Thomas McGuire
Sent: Friday, August 10, 2012 5:19 PM
To: development@qt-project.org; Han Maokun (Nokia-MP/Beijing)
Subject: Re: [Development]
Hi,
We found that QPainer::drawImage takes 30~50ms for one 150*114 image, it seems
a little slow.
One quick optimization to try is: we want to do the memory copy to the backing
store buffer directly instead of using the PaintRasterEngine.
So from Qt, is there a helper function can copy the memo
Hi,
FYI. Can someone help us here ? thanks very much ;)
Thanks,
Song
From: Jiang Wenjun (Nokia-MP/Beijing)
Sent: Tuesday, August 21, 2012 4:21 PM
To: Liu Song.7 (Nokia-MP/Beijing)
Subject: FW: how to improve GraphicsView performance
Importance: High
Hi, all
I'm using QGraphicsView to implemen
Ok, these two pthrea_cleanup_push/pop are not implemented in our pthread, but i
think it should be easy to add them. Thanks ！
-原信息-
发件人: ext Thiago Macieira
发送： 2012/08/14, 16:28
收件人: development@qt-project.org
主题： Re: [Development] qthread exiting
On terça-feira, 14 de agosto de 2012
Thanks for pointing out the dependency, but it seems that replacing the
QtQuick2 has bigger effort than adding the opengl support.
-Original Message-
From: development-bounces+song.7.liu=nokia@qt-project.org
[mailto:development-bounces+song.7.liu=nokia@qt-project.org] On Behalf
Hi,
When the thread is exiting the destroy_current_thread_data will be called, and
only if the thread data is adopted, the QThreadPrivate::finish is called.
But normally the thread data always have the isAdopted with false, then this
thread 's status is still running even if it's exited.
So cou
Hi,
I remember that Perl 5.8 could work with Qt5 alpha, but it seems that a higher
version of perl is required in latest Qt5.
So which version of perl should be used now ?
Thanks,
Song
___
Development mailing list
Development@qt-project.org
http://list
Hi,
>From the code, it seems that QML will depend on the opengl, but is there a way
>to remove such dependency ?
Because our platform doesn't support opengl yet.
Thanks,
Song
___
Development mailing list
Development@qt-project.org
http://lists.qt-proje
Hi,
>From the Qt build system, does any file decide the QtGui depending on the
>PlatformSupport lib ?
Any information is appreciated ;)
Thanks,
Song
___
Development mailing list
Development@qt-project.org
http://lists.qt-project.org/mailman/listinfo/d
> Wow! Any chance you can blog about this somewhere? If you don't, I will based
> on your data.
No, I don't have a public blog. So please go ahead, thanks !
-Original Message-
From: development-bounces+song.7.liu=nokia@qt-project.org
[mailto:development-bounces+
l functions.
So for the qt(5), should we change all the exported symbol 's visibility to
_protected_ ? Or is there still some exited use case to use _default_
visibility ?
Thanks,
Song
-Original Message-
From: development-bounces+song.7.liu=nokia@qt-project.org
[mailto:developm
_protected_ visibility, that kind of relocation is reduced,
but I still don't know why more R_ARM_RELATIVE relocation introduced.
Anything wrong please correct me ;-)
Thanks,
Song
-Original Message-
From: development-bounces+song.7.liu=nokia@qt-project.org
[mailto:development-bounces+s
even if
it's implemented inside ?
2. when changed to "protected" visibility, I guess it's optimized to add a
GOT.PLT entry as a R_ARM_RELATIVE relocation, is that true ?
Thanks,
Song
-Original Message-
From: development-bounces+song.7.liu=nokia@qt-project.org
[mai
the
-Bsymbolic in gcc.
Does anyone have idea from the compiler point of view ?
Also I see that Qt also uses the "-Bsymbolic-functions" to do some
optimization, is that similar case to reduce the relocation ?
Thanks,
Song
-Original Message-----
From: development-bou
Thanks ! Last one is: "9: 0 OBJECT WEAK DEFAULT UND
_ZTI28QNetworkConfigurationPrivate".
-Original Message-
From: development-bounces+song.7.liu=nokia@qt-project.org
[mailto:development-bounces+song.7.liu=nokia@qt-project.org] On Behalf Of
ext Thiag
ymbols to the definition within the so, if any.
So what's the symbolic consideration for ARM toolchain in qt ?
Thanks,
Song
-Original Message-
From: development-bounces+song.7.liu=nokia@qt-project.org
[mailto:development-bounces+song.7.liu=nokia@qt-project.org] On Behalf Of
Li
More information that from gcc the "-Wl,-Bsymbolic" can be used to bind
references to global symbols to the definition within the so, if any.
So what's the symbolic consideration for ARM toolchain in qt ?
Thanks,
Song
-Original Message-
From: development-bounces+song.7.l
Hi,
Finally we can build out and load the libqt5.so successfully, but the loading
is still very slow because too many symbols are to be relocated.
Even many of these relocated symbols are inside the libqt5.so, we suppose they
should be resolved during the link time instead of loading time.
And
Thanks, are such undefined symbols normal ? And is there a way to fix it ?
-Original Message-
From: Mcgovern Rohan (Nokia-MP/Brisbane)
Sent: Tuesday, July 24, 2012 11:58 AM
To: Liu Song.7 (Nokia-MP/Beijing)
Cc: Lan Peng-Peter (Nokia-MP/Beijing); Storm-Olsen Marius (Nokia-MP/Austin);
deve
Hi,
Now we can build out the single libqt5.so (using ARM toolchain) by:
"OPTS += -static" to create the static qt libs
"ar -x libQtXX.a" to extract the .o files
"armlink --fpic --shared *.o -o libqt5.so" to generate final single so
But the "readelf -s libqt5.so |
To reduce the loading time.
-原信息-
发件人: ext Thiago Macieira
发送： 2012/07/24, 02:09
收件人: development@qt-project.org
主题： Re: [Development] Use static qt libraries
On segunda-feira, 23 de julho de 2012 14.39.16, song.7@nokia.com wrote:
> OK, based on my current understanding, do you mean
OK, this way should be easier and doable, thanks for your help ;)
Thanks,
Song
-Original Message-
From: Storm-Olsen Marius (Nokia-MP/Austin)
Sent: Monday, July 23, 2012 10:44 PM
To: Liu Song.7 (Nokia-MP/Beijing)
Cc: development@qt-project.org
Subject: RE: [Development] Use static qt libr
,
Song
-Original Message-
From: development-bounces+song.7.liu=nokia@qt-project.org
[mailto:development-bounces+song.7.liu=nokia@qt-project.org] On Behalf Of
Liu Song.7 (Nokia-MP/Beijing)
Sent: Monday, July 23, 2012 10:39 PM
To: Storm-Olsen Marius (Nokia-MP/Austin)
Cc: developm
OK, based on my current understanding, do you mean that:
I still need to build all of the current qt modules as static objects, which
can be done by OPTS += -static or by other way ?
Thanks,
Song
-Original Message-
From: Storm-Olsen Marius (Nokia-MP/Austin)
Sent: Monday, July 23, 2012 1
Thanks for help. Is there any tool to link all of the separate shared libraries
into one single shared library (libqt5.so) ?
Thanks,
Song
-Original Message-
From: Storm-Olsen Marius (Nokia-MP/Austin)
Sent: Monday, July 23, 2012 10:12 PM
To: Liu Song.7 (Nokia-MP/Beijing)
Cc: development@
Hi,
To use the static qt libraries, now I can build out all the libQtCore.a ,
libQtGui.a , libQtWidgets.a etc with option -static.
Also I can create a new shared object libQtMaster.so which is composed of all
of above static objects (libQtXXX.a),
then I want my Qt application be dynamic linked w
Ok, thanks for sharing ;)
-Original Message-
From: Storm-Olsen Marius (Nokia-MP/Austin)
Sent: Monday, July 23, 2012 9:43 PM
To: Liu Song.7 (Nokia-MP/Beijing)
Cc: development@qt-project.org
Subject: Re: [Development] Latest stable Qt5 code
Importance: High
We are pushing as hard as we can
Thanks, but about when will we have a beta release ?
-Original Message-
From: Storm-Olsen Marius (Nokia-MP/Austin)
Sent: Monday, July 23, 2012 9:40 PM
To: Liu Song.7 (Nokia-MP/Beijing)
Cc: development@qt-project.org
Subject: Re: [Development] Latest stable Qt5 code
Importance: High
On 23
Hi,
Can somebody point out how to get the latest stale Qt5 code ?
Is there some any tag for that ?
Thanks,
Song
___
Development mailing list
Development@qt-project.org
http://lists.qt-project.org/mailman/listinfo/development
OK, you can ignore this mail thread now, it's the thread_pipe not implemented
in our porting ... thanks.
From: development-bounces+song.7.liu=nokia@qt-project.org
[mailto:development-bounces+song.7.liu=nokia@qt-project.org] On Behalf Of
Liu Song.7 (Nokia-MP/Beijing)
Sent: Friday,
It seem I know that it is avoiding "wake up" again if it's already alive.
And the wakeUps._q_value is 1 in my case, but this main thread actually is
pending at doSelect, so I don't know why wakeUps is not zero !
From: development-bounces+song.7.liu=nokia@qt-project.org
)) {
char c = 0;
qt_safe_write( d->thread_pipe[1], &c, 1 );
}
}
But "d->wakeUps.testAndSetAcquire(0, 1)" returns zero, so eventually the main
thread's event loop is not triggered.
Can someone share what's the purpose of using testAndSetAcquire here ?
Tha
Hi,
I am using the QNetworkAccessManager::get to request content from
http://www.google.com.
Then the QHttpNetworkConnectionChannel will be created and worked on another
thread, when all the data is received, the
QHttpNetworkConnectionChannel::allDone will be invoked, where:
// queue the f
Thanks… Also do you know how to configure and build the qtpim module along with
qtbase ?
Thanks,
Song
From: ext Xizhi Zhu [mailto:xizhi@gmail.com]
Sent: Saturday, June 16, 2012 2:44 PM
To: Liu Song.7 (Nokia-MP/Beijing)
Cc: development@qt-project.org
Subject: Re: [Development] Qt Mobility in
Are the “Mobilities” in a signal .so or different .so ?
From: ext Xizhi Zhu [mailto:xizhi@gmail.com]
Sent: Saturday, June 16, 2012 2:44 PM
To: Liu Song.7 (Nokia-MP/Beijing)
Cc: development@qt-project.org
Subject: Re: [Development] Qt Mobility in Qt5
Importance: High
There's no longer "Qt Mobi
Thanks, is there a documentation about Qt Mobility in Qt5 ?
From: ext Xizhi Zhu [mailto:xizhi@gmail.com]
Sent: Saturday, June 16, 2012 2:41 PM
To: Liu Song.7 (Nokia-MP/Beijing)
Cc: development@qt-project.org
Subject: Re: [Development] Qt Mobility in Qt5
Importance: High
Yes, they have been mo
Hi,
Is the Qt Mobility a part of Qt5 ? If not, where can I get the source of latest
Qt Mobility?
Thanks,
Song
___
Development mailing list
Development@qt-project.org
http://lists.qt-project.org/mailman/listinfo/development
Hi,
Same issue happened in platform plugins...
Could someone share what's the idea to change qmake or something else ?
Thanks,
Song
-Original Message-
From: development-bounces+song.7.liu=nokia@qt-project.org
[mailto:development-bounces+song.7.liu=nokia@qt-project.or
Hi,
When using the armcc to compile qt5, there is one Makefile generation issue for
widgets:
You know the widgets is depending on platformsupport static library, but the
"libQtPlatformSupport.so" is appended into LIBS flag within this Makefile.
After checked with the source code of qmake/genera
not fully controlled
on some feature flag.
So is that caused as the Qt5 code refine ??
Thanks,
Song
-Original Message-
From: development-bounces+song.7.liu=nokia@qt-project.org
[mailto:development-bounces+song.7.liu=nokia@qt-project.org] On Behalf Of
ext Thiago Macieira
Sent: Wedne
Yes, we are creating a super minimal build with basic functionalities...
But is there some feature depending on the REGEXP in case if it's disabled
other features don't work then.
Thanks,
Song
-Original Message-
From: ext Giuseppe D'Angelo [mailto:dange...@gmail.com]
Sent: Wednesday, Ju
Ok, thanks... A few minutes ago I also tried to remove this declaration, it
works now.
-Original Message-
From: development-bounces+song.7.liu=nokia@qt-project.org
[mailto:development-bounces+song.7.liu=nokia@qt-project.org] On Behalf Of
ext Thiago Macieira
Sent: Wednesday
4.
So it seems an error, but does anyone know how to fix it ? or how to ignore
such error ?
Thanks,
Song
-Original Message-----
From: development-bounces+song.7.liu=nokia@qt-project.org
[mailto:development-bounces+song.7.liu=nokia@qt-project.org] On Behalf Of
ext Thiago Macieira
Se
Hi,
We are doing a customized build on qt5, but can I disable the pcre in qt5 ?
Thanks,
Song
___
Development mailing list
Development@qt-project.org
http://lists.qt-project.org/mailman/listinfo/development
Hi,
We are trying to use armcc to build qt5, and meet many compiling issues...
Here, I just want to confirm that is there some assumption / limitation in our
qt5 code base about use armcc or gcc ???
Thanks,
Song
___
Development mailing list
Development
Hi,
In Qt5, does the QtWidgets support the touch event handling ?
That the touch event is routed from my side to system by invoking
QWindowSystemInterface::handleTouchEvent...
Thanks,
Song
___
Development mailing list
Development@qt-project.org
http://
Ok, thanks... I am using the qfilesystemengine_unix under another unix like env,
so I can make a change in the ::rootPath for my case...
Thanks for your sharing ;)
Thanks,
Song
-Original Message-
From: siv...@gmail.com [mailto:siv...@gmail.com] On Behalf Of ext Sivan
Greenberg
Sent: Fri
Hi,
My QtDir::currentPath is /c_drive/ instead of C:/, so do someone know the
reason behind ?
And how can it be as "C:/" ?
Any information is appreciated ;)
Thanks,
Song
___
Development mailing list
Development@qt-project.org
http://lists.qt-project.o
But,,, I am building my Qt5 in Linux server. :(
Thanks,
Song
From: development-bounces+song.7.liu=nokia@qt-project.org
[mailto:development-bounces+song.7.liu=nokia@qt-project.org] On Behalf Of
ext Loaden
Sent: Tuesday, May 22, 2012 5:31 PM
To: Thiago Macieira
Cc: development@qt
Hi,
I want to let QtCore and QtGui etc. modules static linked against with one
pre-compiled achieve object.
So could someone help how to modify the qmake.conf under the related mkspecs
folder ?
Many thanks ;)
Thanks,
Song
___
Development mailing list
Hi,
I am trying to copy libQtCore.so.5.0.0 to another different folder to debug
with my application,
but find that I can't step into the source code.
After look into libQtCore, it seems that the path of source code is relative
instead absolute, for example as bellow:
../../include/QtCore/../..
Hi,
Thanks for your reply, please get the error info from attached file.
Thanks,
Song
-Original Message-
From: development-bounces+song.7.liu=nokia@qt-project.org
[mailto:development-bounces+song.7.liu=nokia@qt-project.org] On Behalf Of
ext Thiago Macieira
Sent: Monday, May 14
Hi,
I am building the latest Qt5 on Linux, but with bellow link error in qtbase:
/nokia/apps/tww/@sys/gcc442/x86_64-unknown-linux-gnu/bin/ld:
/build/qt5-2/qtbase/src/corelib/QtCore.dynlist: file format not recognized;
treating as linker script
/nokia/apps/tww/@sys/gcc442/x86_64-unknown-linux-gn
60 matches
Mail list logo
