Ndk-cygwin path specific issues [closed]

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Amusing windows xp, cygwin & ndk for my project. I mapped all path in the cygwin.batch file. I am trying to compile hello-jni by cygwin.

Contents of cygwin.bat

@echo off

F:
chdir F:\Cygwin\bin

bash --login -i

set IS_UNIX=

set DEV_ROOT=E:/android/android-ndk-r5b/samples/hello-jni

set JAVA_HOME=C:/Program Files/Java/jdk1.5.0_13

set CLASSPATH=d:/work_code/android/BlueInput/obj

set PATH=E:/android/android-sdk-windows/tools;E:/android/android-ndk-r5b

set ANDROID_NDK_ROOT=/cygdrive/e/android/android-ndk-r5b

set NDK_PROJECT_PATH=/cygdrive/e/android/android-ndk-r5b/samples/hello-jni

开发者_开发技巧on executing the command ./ndk-build, am getting the error...

Android NDK: Could not find application project directory!

Android NDK: Please define the NDK_PROJECT_PATH variable to point to it.

cygdrive\e\android\android-ndk-r5b\build\core\build-local.mk:"Android NDK aborting"

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The parent folder should be "jni" and then inside your Android.mk

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Trigger ndk-build script from your project's jni folder (the folder where Android.mk is located and your c/c++ files) and not from the android-ndk directory.