Make sure you have the vero2-libamcodec-dev-osmc package installed.
Try
export CFLAGS="-I/opt/vero2/usr/include"
export CXXFLAGS="${CFLAGS}"
Make sure you have the vero2-libamcodec-dev-osmc package installed.
Try
export CFLAGS="-I/opt/vero2/usr/include"
export CXXFLAGS="${CFLAGS}"