linphone library compile issue xcode 7.3 MAC OS EL Captain v10.11.4

I have download linphone open source VoIP project from git. Follow steps that given in link but i have stuck on one steps

Link host strings to simulator SDK

$ sudo ln -s /usr/bin/strings /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/strings

->I have checked below path "/usr/bin/strings" and found that 'strings' not found and also another path not work '/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/strings'

->When command run at that time it fail with below reason

ln: failed to create symbolic link '/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/strings': No such file or directory

-> On Build I have received below output.

 *******************************************************************************
This makefile is deprecated. Please see README.md for compilation instructions. Here are some equivalents:
Equivalent of make is: cd ../../ && ./prepare.py && make
Equivalent of make enable_gpl_third_parties=no is: cd ../../ && ./prepare.py -DENABLE_GPL_THIRD_PARTIES=NO && make
Equivalent of make enable_debug=yes is: cd ../../ && ./prepare.py -d && make
Equivalent of make enable_i386=yes is: cd ../../ && ./prepare.py all && make
Equivalent of make enable_zrpt=yes enable_opus=yes enable_ffmpeg is: cd ../../ && ./prepare.py -DENABLE_ZRTP=YES -DENABLE_OPUS=YES -DENABLE_FFMPEG=YES && make
*******************************************************************************

Below Link I have referred

1) https://libraries.io/github/mfrager/linphone-iphone

2)https://github.com/BelledonneCommunications/linphone/blob/master/README.macos.md

3) https://ohthehugemanatee.org/blog/2015/10/01/how-i-got-el-capitain-working-with-my-developer-tools/

Please guid me for solution.