#valid ndk: r13b
#necessary sdk: https://dl.google.com/android/repository/tools_r25.2.3-linux.zip
#7z x tools_r25.2.3-linux.zip -o/home/user/SDKS/ANDROID/SDK25_2_3/
#You just copy the tools folder into the SDK folder. I would also recommend and make a backup of the folder you currently have.

cd /path/to/libraries/

mkdir bdb
cd bdb
wget -t0 http://download.oracle.com/berkeley-db/db-6.0.20.tar.gz
tar xvzf db-6.0.20.tar.gz 
cd db-6.0.20/build_unix
#specify your ndk path here:
export NDK_PATH=/home/user/SDKS/ANDROID/NDK/android-ndk-r13b
export PATH=$NDK_PATH/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/:$PATH
export CXX=$NDK_PATH/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-c++ 
export CPPFLAGS="-I $NDK_PATH/platforms/android-9/arch-arm/usr/include/ -I $NDK_PATH/sources/cxx-stl/stlport/stlport/ -I $NDK_PATH/sources/cxx-stl/system/include/ --sysroot=$NDK_PATH/platforms/android-9/arch-arm/ "
export CFLAGS="-I $NDK_PATH/platforms/android-9/arch-arm/usr/include/ --sysroot=$NDK_PATH/platforms/android-9/arch-arm/ "
export LDFLAGS="-L$NDK_PATH/platforms/android-9/arch-arm/usr/lib/ --sysroot=$NDK_PATH/platforms/android-9/arch-arm/"
#-I $NDK_PATH/sources/cxx-stl/gnu-libstdc++/4.9/include/
export AR=$NDK_PATH/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-ar 
../dist/configure --host=arm-linux-androideabi --enable-cxx --enable-shared --disable-replication
make

************************
Boost
-Скачайте http://sourceforge.net/projects/boost/files/boost/1.57.0/boost_1_57_0.7z/download
-Распакуйте boost_1_57_0.7z куда-либо:

7z x ~/Downloads/boost_1_57_0.7z -o/path/to/libraries/boost_1_57_0_take2/

-Откройте командную строку, и выполните следующий код:

cd boost_1_57_0
chmod a+x bootstrap.sh
./bootstrap.sh

Не закрывайте командную строку. Откройте файл boost_1_57_0\project-config.jam в текстовом редакторе, удалите его содержимое, вставьте следующий текст:

import option ;
  
using gcc : arm : /home/user/SDKS/ANDROID/NDK/android-ndk-r13b/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-g++ ;
 
option.set keep-going : false ; 

и сохраните файл. Вернитесь в командную строку и введите:

./b2 cxxflags="-fstack-protector-all -D_FORTIFY_SOURCE=2 -std=c++11 -O0 -g" linkflags="-fstack-protector-all" --layout=versioned --build-type=complete --with-chrono --with-filesystem --with-program_options --with-system --with-thread toolset=gcc-arm variant=release,debug link=static threading=multi threadapi=pthread target-os=android define=BOOST_MATH_DISABLE_FLOAT128 include=/home/user/SDKS/ANDROID/NDK/android-ndk-r13b/sources/cxx-stl/gnu-libstdc++/4.9/include include=/home/user/SDKS/ANDROID/NDK/android-ndk-r13b/sources/cxx-stl/gnu-libstdc++/4.9/libs/armeabi/include include=/home/user/SDKS/ANDROID/NDK/android-ndk-r13b/platforms/android-9/arch-arm/usr/include

see also: http://stackoverflow.com/a/19470480/529442

********************************

LevelDB
cd gostcoin/src/leveldb
export OPT="-I $NDK_PATH/platforms/android-9/arch-arm/usr/include/ -I $NDK_PATH/sources/cxx-stl/stlport/stlport/ -I $NDK_PATH/sources/cxx-stl/system/include/ --sysroot=$NDK_PATH/platforms/android-9/arch-arm/ "
TARGET_OS=OS_ANDROID_CROSSCOMPILE make libleveldb.a libmemenv.a

********************************

Откройте gostcoin/android/gostcoin-qt-android.pro в Qt Creator из комплекта Qt 5.x

********************************

see also: https://github.com/novacoin-project/novacoin/blob/master/doc/building%20novacoin-qt%20for%20android%20under%20Windows.txt#L102