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Gepetto / gepetto-viewer

Graphical Interface for Pinocchio and HPP.
BSD 2-Clause "Simplified" License
44 stars 30 forks source link

Installation on Ubuntu-18.04 fails #113

Closed florent-lamiraux closed 4 years ago

florent-lamiraux commented 4 years ago

I have upgraded my computer to ubuntu-18.04 and the build of gepetto-viewer branch devel (just checked out) fails.

The problem seems to come from the fact that gepetto-gui is not linked to the python library. As a consequence, at linking, I get several messages like undefined reference to `PyString_Size'

I solved the issue by adding a line in the src/CMakeLists.txt (commit f47465ae7f892e4fcc03dc8c1e1ad3f5d29276a2) but I am surprised that nobody got the same issue.

jmirabel commented 4 years ago

Do you install GV with PythonQt ?

florent-lamiraux commented 4 years ago

In fact, I realize that I configure with option -DPROJECT_USE_QT4=OFF although qt5 is not installed. I will try again and let you know.

florent-lamiraux commented 4 years ago

Recompiling pythonqt with PythonQt_QT_VERSION=4, I get the same error.

jmirabel commented 4 years ago

In PythonQt, there are two different branches for Qt4 and Qt5. Check that you are on the right branch.

florent-lamiraux commented 4 years ago

pythonqt is on branch qt4, with CMakeCache.txt containing PythonQt_QT_VERSION:STRING=4

florent-lamiraux commented 4 years ago

The problem came from a mix up between python2 and python3. I solved it by adding option -DPYTHON_EXECUTABLE=/usr/bin/python3 at configuration in order to match PythonQt python version.