How to build openconnect app from makefile on github? https://github.com/openconnect/openconnect.git Am I doing the right thing?
cd openconnect/android
make
Error output
ERROR: Unknown option '--system'. See --help for usage.
make: *** [Makefile:83: /home/openconnect/android/x86_64-linux-android/toolchain/.built] Error 1
What to do?