I use this topic to track the update of conda-packages to gcc7 and py3.7.

[x] boost-cpp

[x] boost (is updated to 1.68)

[x] qt 5.6 (5.9 should be also available, 5.12 needs osx10.12) https://github.com/conda-forge/qt-feedstock/pull/79

[x] occt https://github.com/conda-forge/occt-feedstock/pull/26

[x] coin3d https://github.com/conda-forge/coin3d-feedstock/pull/10

[x] soqt (depends on qt and coin) https://github.com/conda-forge/soqt-feedstock/pull/1

[x] simage https://github.com/conda-forge/simage-feedstock/pull/4

[x] calculix https://github.com/conda-forge/calculix ... ock/pull/1

[x] pyside2 (depends on qt) https://github.com/conda-forge/pyside2- ... ck/pull/23

[x] pivy (depends on soqt, coin and simage)

[x] netgen (depends on occt and ?) https://github.com/conda-forge/netgen-feedstock/pulls

[x] vtk (heavy challenge :https://github.com/conda-forge/vtk-feedstock/pull/72)

[x] smesh (depends on occt, netgen and vtk)

[x] freecad 0.18

status of all packages can be seen here: https://conda-forge.org/status/