Symbol "qt-opengl" Not Found -- macOS 10.12.1 about argos3 HOT 10 CLOSED

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Tried installing qt4 via macports to no avail. Any other workaround in the mean time?

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I have the same issue

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Beta44 solves this issue!

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I am also facing the same issue :
[INFO] Loaded library "/usr/local/lib/argos3/libargos3plugin_simulator_spiri.so"
[INFO] Loaded library "/usr/local/lib/argos3/libargos3plugin_simulator_footbot.so"
[INFO] Loaded library "/usr/local/lib/argos3/libargos3plugin_simulator_epuck.so"
[INFO] Loaded library "/usr/local/lib/argos3/libargos3plugin_simulator_eyebot.so"
[INFO] Loaded library "/usr/local/lib/argos3/libargos3plugin_simulator_pointmass3d.so"
[INFO] Loaded library "/usr/local/lib/argos3/libargos3plugin_simulator_media.so"
[INFO] Loaded library "/usr/local/lib/argos3/libargos3plugin_simulator_genericrobot.so"
[INFO] Loaded library "/usr/local/lib/argos3/libargos3plugin_simulator_dynamics2d.so"
[INFO] Loaded library "/usr/local/lib/argos3/libargos3core_simulator.so"
[INFO] Loaded library "/usr/local/lib/argos3/libargos3plugin_simulator_entities.so"
[INFO] Not using threads
[INFO] Using random seed = 124
[INFO] Using simulation clock tick = 0.1
[INFO] Total experiment length in clock ticks = unlimited
[INFO] Loaded library "./build/controllers/footbot_diffusion/libfootbot_diffusion.so"
[INFO] The physics engine "dyn2d" will perform 10 iterations per tick (dt = 0.01 sec)
[FATAL] Failed to initialize the visualization. Parse error in the subtree.
[FATAL] Symbol "qt-opengl" not found

I am using ubuntu 14.04 system and the Qt version supported by my system is 5.7.1 (>5.5) :
qmake -v
QMake version 3.0
Using Qt version 5.7.1 in /opt/Qt/5.7/gcc_64/lib

But even then while running "cmake ../src" , below mentioned warning is getting generated:
Minimum required version for Qt (>= 5.5) not found. Skipping compilation of QT-OpenGL visualization.

Please guide how to resolve the issue.

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Hi @prpandey26,

AFAIK, by default, Ubuntu 14.04 supports Qt 5,2.

So, I guess that you probably have some old qt5.2 stuff installed, which is not allowing ARGOS to find qt5.7.

Have you tried to redefine your QTDIR variable and add your '/opt/Qt/5.7/gcc_64/bin' to the PATH variable?

export PATH=/opt/Qt/5.7/gcc_64/bin:$PATH
export QTDIR=/opt/Qt/5.7/gcc_64

from argos3.

Hello @prpandey26, this issue is about Mac, not Ubuntu - you should have opened a new issue about this. The solution to your problem is to set the variable CMAKE_PREFIX_PATH to point to the right cmake directory in your system. Look into /opt/Qt/5.7/gcc_64 and search for that directory. Say the directory is /opt/Qt/5.7/gcc_64/lib/cmake (I'm just guessing), the commands to compile ARGoS correctly are:

cd argos3
rm -rf build
mkdir build
cd build
export CMAKE_PREFIX_PATH=/opt/Qt/5.7/gcc_64/lib/cmake
cmake -DCMAKE_BUILD_TYPE=Release ../src
make -j8
make doc
sudo make install

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Hi @cardinot @ilpincy
Thank you for providing support on the issue.
After making the above mentioned changes, the Minimum required version for Qt (>= 5.5) not found. Skipping compilation of QT-OpenGL visualization. issue which was coming while running cmake got resolved but another error was coming while running make -j8.
So, now I am using a virtual machine with ubuntu 16.04 because in Ubuntu 16.04 Argos got compiled without any error and Argos-Examples are running successfully.

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If you're using ARGoS on Ubuntu 16.04, then you could have just used the binary packages at http://argos-sim.info/core.php, which are the suggested way to use ARGoS. Have you compiled the code with cmake -DCMAKE_BUILD_TYPE=Release ? If not, ARGoS will be (much) slower. If you have further issues, please open a new issue. Commenting here is definitely off-topic.

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