build issue

[gokulsukumar03]

Process 'command '/Users/admin/Library/Android/sdk/ndk-bundle/ndk-build'' finished with non-zero exit value 2

[xzxbear]

1.build dlib sdk by yourself: https://github.com/tzutalin/dlib-android
2.copy the path of third_party\opencv\jni\OpenCV.mk
3.find Android.mk in project and replace the path of OpenCV.mk