:: variables required for OpenCV build ::
SET ANDROID_NDK=C:\full\path\to\your\copy\of\android\NDK\android-ndk-r5b
SET CMAKE_EXE=C:\full\path\to\cmake\utility\cmake.exe
SET MAKE_EXE=C:\full\path\to\native\port\of\make\utility\make.exe

:: variables required for android-opencv build ::
SET SWIG_DIR=C:\full\path\to\SWIG\directory\swigwin-2.0.3
SET ANDROID_SDK=C:\full\path\to\your\copy\of\android\SDK\android-sdk-windows
SET ANT_DIR=C:\full\path\to\ant\directory\apache-ant-1.8.2
SET JAVA_HOME=C:\full\path\to\JDK\jdk1.6.0_25

:: configuration options ::
:::: general ARM-V7 settings
SET ARM_TARGET=armeabi-v7a
SET BUILD_DIR=build

:::: uncomment following lines to compile for emulator or old device
::SET ARM_TARGET=armeabi
::SET BUILD_DIR=build_armeabi

:::: uncomment following lines to compile for ARM-V7 with NEON support
::SET ARM_TARGET="armeabi-v7a with NEON"
::SET BUILD_DIR=build_neon

:::: other options
::SET ANDROID_API_LEVEL=8   &:: android-3 is enough for OpenCV but android-8 is recommended