[R-SIG-Mac] rgl in R version 4.1.1 Patched (2021-08-13 r80752)

Duncan Murdoch murdoch@dunc@n @end|ng |rom gm@||@com
Thu Aug 19 10:40:44 CEST 2021

On 18/08/2021 11:56 p.m., Richard M. Heiberger wrote:
>   R version 4.1.1 Patched (2021-08-13 r80752)
>   aarch64-apple-darwin20
>> library(rgl)
> Error in dyn.load(dynlib <- getDynlib(dir)) :
>    unable to load shared object '/Library/Frameworks/R.framework/Versions/4.1-arm64/Resources/library/rgl/libs/rgl.so':
>    dlopen(/Library/Frameworks/R.framework/Versions/4.1-arm64/Resources/library/rgl/libs/rgl.so, 6): Symbol not found: _hb_buffer_add_utf8
>    Referenced from: /Library/Frameworks/R.framework/Versions/4.1-arm64/Resources/library/rgl/libs/rgl.so
>    Expected in: flat namespace
>   in /Library/Frameworks/R.framework/Versions/4.1-arm64/Resources/library/rgl/libs/rgl.so

That looks like a symbol in the harfbuzz lib.  rgl doesn't reference it 
directly, I think FreeType does.  I don't know what you need to do to 
fix this, but maybe that's enough of a hint.

Duncan Murdoch

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