Installing rPython
"C:/PROGRA~1/MIE74D~1/RCLIEN~1/R_SERVER/bin/x64/R" --no-site-file --no-environ --no-save --no-restore
  --quiet CMD INSTALL "C:/Users/felix.schildorfer/OneDrive - Avanade/Education/GitHub/rPython"
  --library="C:/Users/felix.schildorfer/Documents/R/win-library/3.3" --install-tests

* installing *source* package 'rPython' ...
** libs
Warnung: this package has a non-empty 'configure.win' file,
so building only the main architecture

C:/RBuildTools/3.4/mingw_64/bin/gcc -m64 -shared -s -static-libgcc -o rPython.dll tmp.def pycall.o -L C:/Python/Python36/libs -libpython36.a -LC:/swarm/workspace/External-R-3.3.2/vendor/extsoft/lib/x64 -LC:/swarm/workspace/External-R-3.3.2/vendor/extsoft/lib -LC:/PROGRA~1/MIE74D~1/RCLIEN~1/R_SERVER/bin/x64 -lR
C:/RBuildTools/3.4/mingw_64/bin/../lib/gcc/x86_64-w64-mingw32/4.9.3/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -libpython36.a
collect2.exe: error: ld returned 1 exit status
no DLL created
ERROR: compilation failed for package 'rPython'
* removing 'C:/Users/felix.schildorfer/Documents/R/win-library/3.3/rPython'
Error: Command failed (1)