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From: Dick Balaska
Subject: building povmodeler?
Date: 26 Nov 2019 06:42:37
Message: <5ddcc95d$1@news.povray.org>
For the next scene in my movie, I need to build a bathroom.  I want to 
do this in povmodeler.  The .deb provided doesn't work for me, as I get 
blank windows.  I thought I'd build it and see if I could debug the 
OpenGL failure.  But I'm spending too much time just trying to bootstrap 
a build.

Has anyone built povmodeler?

I am not familiar with cmake and the instructions are lacking (point to 
a dead page).

I loaded CMakeLists.txt in qtcreator.  It compiles for a long time and 
tips over linking, missing all of the qt libraries. (QApplication, 
QEvent, QWidget, QDom, etc)

I don't know how
find_package(Qt5Core REQUIRED)
relates to
target_link_libraries(povmodeler Qt5::Widgets Qt5::Core  ...

and why Qt5::Core and Qt5::Widgets are apparently missing after passing 
the "REQUIRED" test

-- 
dik
Rendered 28,677,888,000 of 49,882,521,600 pixels (57%)


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From: Bald Eagle
Subject: Re: building povmodeler?
Date: 26 Nov 2019 12:25:01
Message: <web.5ddd18d9cdd38c94eec112d0@news.povray.org>
Dick Balaska <dic### [at] buckosoftcom> wrote:

> Has anyone built povmodeler?

I did.
I don't get anything in the 4 windows either.   All the rest is kinda beyond
me...

Probably just a few more small things to fix.  90/10 Rule, and all that.


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From: Ton
Subject: Re: building povmodeler?
Date: 26 Nov 2019 22:45:01
Message: <web.5ddda9f6cdd38c95c17c1320@news.povray.org>
Hi Dick

I assume you use Linux....

please, in your home directory, give the following commands:
mkdir povmodelerton
cd povmodelerton
git clone https://github.com/eticre/povmodeler.git
cd povmodeler
mkdir build
cd build
cmake ..
make -j4
.../povmodeler

I just tried that here, and it all works. If it doesn't, show the output of
make. Make sure you have those libraries.

Cheers
Ton.


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From: Ton
Subject: Re: building povmodeler?
Date: 26 Nov 2019 23:15:00
Message: <web.5dddb166cdd38c95c17c1320@news.povray.org>
"Ton" <ton### [at] gmailcom> wrote:
> Hi Dick
>
> I assume you use Linux....
>
> please, in your home directory, give the following commands:
> mkdir povmodelerton
> cd povmodelerton
> git clone https://github.com/eticre/povmodeler.git
> cd povmodeler
> mkdir build
> cd build
> cmake ..
> make -j4
> .../povmodeler
>
> I just tried that here, and it all works. If it doesn't, show the output of
> make. Make sure you have those libraries.
>
> Cheers
> Ton.

Typo alert:
that last line should be
../povmodeler


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From: Dick Balaska
Subject: Re: building povmodeler?
Date: 27 Nov 2019 02:12:01
Message: <5ddddb71$1@news.povray.org>
On 11/26/19 5:41 PM, Ton wrote:
> Hi Dick
> 
> I assume you use Linux....
> 
> please, in your home directory, give the following commands:
> mkdir povmodelerton
> cd povmodelerton
> git clone https://github.com/eticre/povmodeler.git
> cd povmodeler
> mkdir build
> cd build
> cmake ..
> make -j4
> .../povmodeler
> 
> I just tried that here, and it all works. If it doesn't, show the output of
> make. Make sure you have those libraries.
> 
> Cheers
> Ton.
> 
> 
> 
> 
/home/dick/povray/github/povmodelerton/povmodeler/pmrendermanager.cpp:48:10: 
fatal error: QtX11Extras/QX11Info: No such file or directory


I have that file.

dick@cyd:~/povray/github/povmodelerton/povmodeler/build$ locate QX11Info
/opt/Qt/5.13.1/Src/qtx11extras/include/QtX11Extras/QX11Info
/opt/Qt/5.13.1/gcc_64/include/QtX11Extras/QX11Info

I tried adding
find_package(Qt5X11Extras REQUIRED)
to CMakeLists.txt

but that says

dick@cyd:~/povray/github/povmodelerton/povmodeler/build$ cmake ..
CMake Error at CMakeLists.txt:22 (find_package):
   By not providing "FindQt5X11Extras.cmake" in CMAKE_MODULE_PATH this 
project
   has asked CMake to find a package configuration file provided by
   "Qt5X11Extras", but CMake did not find one.

   Could not find a package configuration file provided by 
"Qt5X11Extras" with
   any of the following names:

     Qt5X11ExtrasConfig.cmake
     qt5x11extras-config.cmake

   Add the installation prefix of "Qt5X11Extras" to CMAKE_PREFIX_PATH or set
   "Qt5X11Extras_DIR" to a directory containing one of the above files.  If
   "Qt5X11Extras" provides a separate development package or SDK, be sure it
   has been installed.


-- Configuring incomplete, errors occurred!
See also 
"/home/dick/povray/github/povmodelerton/povmodeler/build/CMakeFiles/CMakeOutput.log".

-- 
dik
Rendered 29,374,617,600 of 49,882,521,600 pixels (58%)


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From: Ton
Subject: Re: building povmodeler?
Date: 27 Nov 2019 06:45:00
Message: <web.5dde1a51cdd38c95c17c1320@news.povray.org>
I'm a bit surprised that your qt-include directories are in /opt, but that
should not be a problem.
Could you run the next command:

pkg-config --cflags Qt5Core

My output here is:
-DQT_CORE_LIB -I/usr/include/qt5/QtCore -I/usr/include/qt5
and my include file is located at:
/usr/include/qt5/QtX11Extras/QX11Info

So now the compiler knows how to find that file.

The problem with cmake is that you never know the command line of the compiler,
so you don't have a clue about the include directories it's using.

Cheers
Ton.


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From: Dick Balaska
Subject: Re: building povmodeler?
Date: 27 Nov 2019 08:54:29
Message: <5dde39c5$1@news.povray.org>
On 11/27/19 1:40 AM, Ton wrote:
> I'm a bit surprised that your qt-include directories are in /opt, but that
> should not be a problem.
> Could you run the next command:
> 
> pkg-config --cflags Qt5Core
> 
> My output here is:
> -DQT_CORE_LIB -I/usr/include/qt5/QtCore -I/usr/include/qt5
> and my include file is located at:
> /usr/include/qt5/QtX11Extras/QX11Info
> 
> So now the compiler knows how to find that file.
> 
> The problem with cmake is that you never know the command line of the compiler,
> so you don't have a clue about the include directories it's using.

Ah ha.

$ pkg-config --cflags Qt5Core
-I/usr/include/x86_64-linux-gnu/qt5/QtCore 
-I/usr/include/x86_64-linux-gnu/qt5

qmake knows I want to build with /opt/Qt/5.13.1
cmake does not.  It uses the debian installed version, which I think is 
5.9.5.

The debian version does not seem to have qt5X11Extras
$ ls /usr/lib/x86_64-linux-gnu/cmake
Qt5  Qt5Concurrent  Qt5Core  Qt5DBus  Qt5Gui  Qt5Network 
Qt5OpenGLExtensions  Qt5PrintSupport  Qt5Sql  Qt5Test  Qt5Widgets  Qt5Xml


I don't see a package to install to fix that.  There *is* a -doc package

$ apt-cache search qtx11
python-pyqt5.qtx11extras - Python 2 bindings for QtX11Extras module
python-pyqt5.qtx11extras-dbg - Python 2 bindings for QtX11Extras module 
(debug extension)
python3-pyqt5.qtx11extras - Python 3 bindings for QtX11Extras module
python3-pyqt5.qtx11extras-dbg - Python 3 bindings for QtX11Extras module 
(debug extension)
qtx11extras5-doc - Qt 5 X11 extras documentation
qtx11extras5-doc-html - Qt 5 X11 extras HTML documentation

-- 
dik
Rendered 29,374,617,600 of 49,882,521,600 pixels (58%)


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From: Dick Balaska
Subject: Re: building povmodeler?
Date: 27 Nov 2019 09:09:38
Message: <5dde3d52$1@news.povray.org>
On 11/27/19 3:54 AM, Dick Balaska wrote:

> The debian version does not seem to have qt5X11Extras
> $ ls /usr/lib/x86_64-linux-gnu/cmake
> Qt5  Qt5Concurrent  Qt5Core  Qt5DBus  Qt5Gui  Qt5Network 
> Qt5OpenGLExtensions  Qt5PrintSupport  Qt5Sql  Qt5Test  Qt5Widgets  Qt5Xml
> 
> 
> I don't see a package to install to fix that.  There *is* a -doc package
> 
> $ apt-cache search qtx11
> python-pyqt5.qtx11extras - Python 2 bindings for QtX11Extras module
> python-pyqt5.qtx11extras-dbg - Python 2 bindings for QtX11Extras module 
> (debug extension)
> python3-pyqt5.qtx11extras - Python 3 bindings for QtX11Extras module
> python3-pyqt5.qtx11extras-dbg - Python 3 bindings for QtX11Extras module 
> (debug extension)
> qtx11extras5-doc - Qt 5 X11 extras documentation
> qtx11extras5-doc-html - Qt 5 X11 extras HTML documentation
> 

found it:
$ sudo apt install libqt5x11extras5-dev

build is progressing...

-- 
dik
Rendered 29,374,617,600 of 49,882,521,600 pixels (58%)


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From: Dick Balaska
Subject: Re: building povmodeler?
Date: 27 Nov 2019 09:18:29
Message: <5dde3f65$1@news.povray.org>
On 11/27/19 4:09 AM, Dick Balaska wrote:

> 
> build is progressing...
> 

Got it built.  I get the same log output as I posted in my previous 
thread "povmodeler blank windows".

$ ./povmodeler
qt5ct: using qt5ct plugin
qt5ct: D-Bus global menu: no
Asking for share context for widget that does not have a window handle
QOpenGLWidget: Cannot be used without a context shared with the toplevel.

...

Next I have to get it to build in qtcreator, so I can debug it.

(I have built and run other qt opengl apps.)

-- 
dik
Rendered 29,374,617,600 of 49,882,521,600 pixels (58%)


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From: Ton
Subject: Re: building povmodeler?
Date: 28 Nov 2019 00:00:00
Message: <web.5ddf0d0ccdd38c95c17c1320@news.povray.org>
Dick Balaska <dic### [at] buckosoftcom> wrote:
> On 11/27/19 4:09 AM, Dick Balaska wrote:
>
> >
> > build is progressing...
> >
>
> Got it built.  I get the same log output as I posted in my previous
> thread "povmodeler blank windows".
>
> $ ./povmodeler
> qt5ct: using qt5ct plugin
> qt5ct: D-Bus global menu: no
> Asking for share context for widget that does not have a window handle
> QOpenGLWidget: Cannot be used without a context shared with the toplevel.
>
> ...
>
> Next I have to get it to build in qtcreator, so I can debug it.
>
> (I have built and run other qt opengl apps.)
>
> --
> dik
> Rendered 29,374,617,600 of 49,882,521,600 pixels (58%)

Well done, Dick!
Why you don't have the graphics, I don't know. My Qt version here is 5.13, and
it works. It would be hard to imagine 5.13 works, and 5.9 doesn't.
qtcreator uses the same commands (cmake and make) like you used in the
commandline, so that should just work. I'll try later today.

Cheers
Ton.


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