Android cross-compile failure for samba library from https://www.samba.org

android_samba.sh

# Building https://download.samba.org/pub/samba/samba-4.8.3.tar.gz

./configure 
  --prefix=/Users/taner/Projects/mobile-ffmpeg/prebuilt/android-arm/lame 
  --with-static-modules=ALL 
  --cross-compile 
  --cross-answers=/tmp/cross-answers-arm.txt 
  --hostcc=arm-linux-androideabi

...

Checking for header alloca.h                                 : yes 
Checking for header float.h                                  : yes 
Checking for header rpc/rpc.h                                : no 
Checking for header rpc/nettype.h                            : no 
Checking for tirpc rpc headers in default system path        : not found 
Checking for libtirpc headers                                : not found 
Checking for libntirpc headers                               : not found 
ERROR: No rpc/rpc.h header found, tirpc or libntirpc missing?