Here are some up to date instructions on building static boost libraries for Android from Windows.

Step 1

Run bootstrap.bat and add the following to project-config.jam. Note androidNDKRoot points to where I've installed the NDK Bundle.

androidNDKRhoot = /Craftwork/Android/sdk/ndk-bundle ;

using clang : arm64 
:
    $(androidNDKRoot)/toolchains/llvm/prebuilt …

Calling this little batch file from inside a library folder which has a CMakeLists.txt has done a decent job of building some useful C++ libraries.

set android_sdk=C:\Craftwork\Android\sdk
set cmake_dir=%android_sdk%\cmake\3.10.2.4988404
set ndk_dir=%android_sdk%\ndk-bundle
set platform=16

set cxx …

There not much to this beyond the official instructions. Just note that the last version on the NDK I could get this to work with is android-ndk-r17c. I believe it has something to do the the removal of GCC. Thankfully you can just download that specific version as a standalone …