Hi,
I've been trying to integrate the mathGL plotting library into R with Rcpp,
with the ultimate goal of rendering in the browser. So far, I've been
successful with creating simple plotting test functions, compile with
sourceCpp("myplotter.cpp") and output *.png and *.json files for browser 3D
plotting.
However, when I try to compile as an R package, I keep getting the following
error:
** building package indices
** testing if installed package can be loaded
Error in dyn.load(file, DLLpath = DLLpath, ...) :
unable to load shared object
'/usr/local/lib/R/site-library/mathGL/libs/mathGL.so':
/usr/local/lib/R/site-library/mathGL/libs/mathGL.so: undefined symbol:
_ZTIN4Rcpp14not_compatibleE
Error: loading failed
Execution halted
ERROR: loading failed
The mathGL.so library was created and exists. For reference, I'm using the
following flags in the Makevars file:
PKG_CXXFLAGS=-"I/home/hp/Downloads/mathgl-2.1/include/mgl2" -lmgl
PKG_LIBS=-L/usr/local/lib/
Any ideas or thoughts as to what the "undefined symbol" error means and how to
resolve this would be greatly appreciated.
Thanks!
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