For Android, check out this project as an example: https://github.com/eighthave/openssl-android
They have the Android-specific Makefile configs for doing an NDK build. You could patch it with your changes and generate the .so libraries you need. On Sep 12, 2012, at 12:05 PM, Indtiny s <indt...@gmail.com<mailto:indt...@gmail.com>> wrote: Hi, I have to build the openssl 1.0.1c for the android , I have added new ECC-CCM chiper key support at the openssl , hence i want build the same for android-ndk and use in my application as shared libraries . is there any guide to build the same ..? Rgds Indu