OSG doesn't support OSX arm64?

[remoe]

How one can build OSG for OSX arm64 (Apple Silicon) ?

OpenSceneGraph/CMakeLists.txt

Line 100 in 51b387c

SET(CMAKE_OSX_ARCHITECTURES "x86_64" CACHE STRING "Build architectures for OSX")

It is not supported?

[robertosfield]

I don't recall OSX + ARM64 being in the testing mix for the 3.6.5 so officially I'd say it's not supported. I don't there was even OSX + ARM64 hardware available back when it 3.6.5 was released.

However, I no idea if it might work. The OSG can be built on arm, but whether the OSX code paths can be coaxed to do it I can't say. You'll need to experiment with override the defaults like the CMAKE_OSX_ARCHITECTURES above to see if you can do it.

[remoe]

Ok, thanks. It's possible to build it with following additional settings for CMake:

-DCMAKE_OSX_ARCHITECTURES=arm64
-DCMAKE_OSX_DEPLOYMENT_TARGET=10.13

[hejian01]

Hello, according to your method, I was able to compile and build successfully on an M1 chip computer, but it seems that I cannot use the new features of OpenGL 3.3 or OpenGL 4.1. I also tried setting OSG_GL3_AVAILABLE = ON, but it didn't work.Can you guide me on this? @remoe @robertosfield

[remoe]

one find some information (osgEarth) here https://docs.osgearth.org/en/latest/build.html