On terça-feira, 29 de março de 2016 22:44:26 PDT Etienne Sandré-Chardonnal
wrote:
> nm --demangle libQt5Gui.a :
>
> Output:
> ...
> U jpeg_calc_output_dimensions
> U jpeg_CreateCompress
> U jpeg_CreateDecompress
> U jpeg_destroy_
nm --demangle libQt5Gui.a :
Output:
...
U jpeg_calc_output_dimensions
U jpeg_CreateCompress
U jpeg_CreateDecompress
U jpeg_destroy_compress
U jpeg_destroy_decompress
U jpeg_finish_compress
On terça-feira, 29 de março de 2016 18:57:45 PDT Etienne Sandré-Chardonnal
wrote:
> My conclusion : With -system-libjpeg, Qt is set to link to the system
> library, but no symbols from it are effectively linked with the
> application. It seems that the linker finds libjpeg symbols exported by Qt
>
Thiago, I do not use these, I was just checking the different libjpeg
versions shipped with Qt
Updated status : I have another system where Qt was built with -qt-libjpeg
- Everything works fine and I can use my own libjpeg library in the
application without any issue.
On the system with -system-
On terça-feira, 29 de março de 2016 18:20:21 PDT Etienne Sandré-Chardonnal
wrote:
> I have looked into Qt sources, and three different libjpeg are shipped :
> one with webkit, one with qtwebengine, and one with qtbase. The first one
> is libjpeg-turbo 62, the two other are libjpeg 80
webkit and w
I just recompiled Qt with -system-libjpeg, but the problem persists.
It seems impossible not to link my application with a qt-bundled libjpeg
That's strange... Which Qt version are you using?
I have looked into Qt sources, and three different libjpeg are shipped :
one with webkit, one with qtwebe
In that case it's at your app's link time that you have to make sure you
link to the same libjpeg qt used. If both Qt and your app use a static
libjpeg in the same executable, it must be the same
2016-03-29 17:00 GMT+02:00 Etienne Sandré-Chardonnal :
> I will try recompiling Qt. Is there any way
oops, ignore my 2nd sentence, i mixed up png and jpeg
2016-03-29 16:51 GMT+02:00 Olivier B. :
> I do -system-libjpeg -I ${ENV_LIBJPEG_PATH}/include -L
> ${ENV_LIBJPEG_PATH}/lib on my configure line to use my own libjpeg
> version.
> I also sed in qtbase/src/3rdparty/png_dependency.pri between de
I do -system-libjpeg -I ${ENV_LIBJPEG_PATH}/include -L
${ENV_LIBJPEG_PATH}/lib on my configure line to use my own libjpeg
version.
I also sed in qtbase/src/3rdparty/png_dependency.pri between debug and
release build, in order to use a debug libjpeg in my debug qt and a release
libjpeg in my releas
Hi,
There is no dependency to any libjpeg DLL, as checked with dependency
walker. And I have searched for any libjpeg*.dll in my system, none of them
are inside the PATH. The libjpeg is linked statically.
Which options do I have for configuring Qt? I only know the option which
switches between em
Either your PATH is set so the wrong libjpeg dll is found first, or qt
found the wrong jpeg include first.
If you don't care which version is used, set your PATH so that your system
libjpeg 6.2 is found first at runtime (or place the libjpeg dll of the
version that was detected beside your executab
Dear all,
I am compiling under windows with MinGW (64-bit)
I compiled Qt for static linking. I let the default options for configure
regarding jpeg support, and it seems that it choose using the system
libjpeg (as seen in config.summary), probably because it detected it. My
system libjpeg is the
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