Trouble finding OpenCamLib [FIXED]

[freman]

FreeCAD built from master is having trouble finding OpenCamLib

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09:45:52  This operation requires OpenCamLib to be installed.
09:45:52  Traceback (most recent call last):
  File "/usr/lib64/python3.9/site-packages/shiboken2/files.dir/shibokensupport/__feature__.py", line 142, in _import
    return original_import(name, *args, **kwargs)

files are installed in /usr/local/include and so in /usr/local/lib

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#ls  /usr/local/lib/opencamlib/libocl.so.2019.07.21
/usr/local/lib/opencamlib/libocl.so.2019.07.21

I run cmake with fairly explict rules:

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cmake  -Wno-dev -S ../FreeCAD -DBUILD_FEM=OFF -DBUILD_QT5=ON -DPYTHON_EXECUTABLE=/usr/bin/python3  -DCCACHE_PROGRAM=  -DBUILD_OPENSCAD=OFF -DBUILD_SMESH=ON

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==============
Summary report
==============

-- Build type:          
-- Compiler:            /bin/c++ (11.1.1)
-- Flags:               -Wall -Wextra -Wno-write-strings 
-- Standard:            Requires C++17
-- Python:              3.9.5 [/usr/bin/python3] [.cpython-39-x86_64-linux-gnu]
-- PCL:                 not enabled
-- pybind11:            not enabled
-- Boost:               1.75.0 (107500)
-- XercesC:             3.2.3 [/usr/lib64/libxerces-c.so] [/usr/include]
-- ZLIB:                1.2.11
-- PyCXX:               6.2.8 [/svn/FreeCAD/src]
-- OCC:                 7.5.0 [TKFillet;TKMesh;TKernel;TKG2d;TKG3d;TKMath;TKIGES;TKSTL;TKShHealing;TKXSBase;TKBool;TKBO;TKBRep;TKTopAlgo;TKGeomAlgo;TKGeomBase;TKOffset;TKPrim;TKSTEPBase;TKSTEPAttr;TKSTEP209;TKSTEP;TKHLR;TKFeat] [/usr/local/lib] [/usr/local/include/opencascade]
-- SMESH:               build internal
--  MEDFile:            4.1.0 [/usr/lib64/libmedC.so;/usr/lib64/libmed.so] [/usr/include/med]
--  HDF5:               1.10.6
--  VTK:                9.0.1
-- NETGEN:              not enabled
-- SWIG:                4.0.2
-- Eigen3               3.3.9
-- Qt5Core:             5.15.2
-- Qt5Network:          5.15.2
-- Qt5Xml:              5.15.2
-- Qt5XmlPatterns:      5.15.2
-- Qt5Widgets:          5.15.2
-- Qt5PrintSupport:     5.15.2
-- Qt5OpenGL:           5.15.2
-- Qt5Svg:              5.15.2
-- Qt5UiTools:          5.15.2
-- Qt5Concurrent:       5.15.2
-- Qt5WebKitWidgets:    5.212.0
-- Shiboken2:           5.15.2 [/lib64/cmake/Shiboken2-5.15.2] [/usr/include/shiboken2;/usr/include/python3.9]
-- PySide2:             5.15.2 [/usr/include/PySide2]
-- PySide2Tools:        [/bin/uic-qt5] [/bin/rcc-qt5]
-- Freetype:            2.10.4
-- OpenGL:              /usr/lib64/libGL.so
-- OpenGLU:             [/usr/lib64/libGLU.so][/usr/include]
-- Coin3D:              4.0.0 [Coin] [/usr/include/Coin4]
-- Pivy:                0.6.5
-- SPNAV:               [SPNAV_LIBRARY-NOTFOUND] [SPNAV_INCLUDE_DIR-NOTFOUND]
-- Matplotlib:          3.4.1
-- Rift:                not enabled (BUILD_VR)
-- Doxygen:             1.9.1
--  Language:           English
--  Coin3D_DOC:         not found
=================================================
Now run 'cmake --build /svn/freecad-build' to build FreeCAD
=================================================

I was expecting to see some mention there but it's neither found nor missing.

I had all this working previously but just did a distro upgrade and I'm still trying to pick up the pieces.

Previously, I did a local build, ran make install and that seems to be still OK.

What am I missing for FC not to be finding it when it starts Path WB ?

TIA.

[Syres]

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#ls  /usr/local/lib/opencamlib/libocl.so.2019.07.21
/usr/local/lib/opencamlib/libocl.so.2019.07.21

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-- Python:              3.9.5 [/usr/bin/python3] [.cpython-39-x86_64-linux-gnu]

OpenCamLib isn't built and as far as I know has never been built with the FreeCAD unless you have the Conda packaging. It's always been a separate library that in my case I would need to build to match my Linux Python version 3.6.9. I was always under the impression that Ocl had to be built on the Python major and minor version that it's being used but the Wiki only talks about the major version. If I am correct, then you might be lucky in that the Appimage which contains the Ocl library is I believe Python 3.9.x, so you could extract and use that one.

https://wiki.freecadweb.org/OpenCamLib#Linux

[freman]

Thanks, I added -DBUILD_PY_LIB=ON -DUSE_PY_3=ON to cmake line and it seems to have fixed it.

Not sure why this was not needed before, it must have been 18mo since I migrated to py3.

Thanks for the help .