try to build with Android Studio3.0

[hannesa2]

Attempt to build with Android Studio 3.0
But I run into this and does someone has a clue what's wrong here ?

./gradlew buildDependentsNdklibrarysampleX86DebugArmSharedLibrary

:app:compileNdklibrarysampleX86DebugArmSharedLibraryNdklibrarysampleX86DebugArmSharedLibraryMainCpp
/Users/hannes/git/openCV/OpenCV-AndroidSamples/app/src/main/jni/DetectionBasedTracker.cpp:1:17: fatal error: jni.h: No such file or directory
#include <jni.h>
^
compilation terminated.

/Users/hannes/git/openCV/OpenCV-AndroidSamples/app/src/main/jni/Tutorial2.cpp:1:17: fatal error: jni.h: No such file or directory
#include <jni.h>
^
compilation terminated.

:app:compileNdklibrarysampleX86DebugArmSharedLibraryNdklibrarysampleX86DebugArmSharedLibraryMainCpp FAILED

FAILURE: Build failed with an exception.

• What went wrong:
  Execution failed for task ':app:compileNdklibrarysampleX86DebugArmSharedLibraryNdklibrarysampleX86DebugArmSharedLibraryMainCpp'.

Multiple build operations failed.
C++ compiler failed while compiling DetectionBasedTracker.cpp.
C++ compiler failed while compiling Tutorial2.cpp.
See the complete log at: file:///Users/hannes/git/openCV/OpenCV-AndroidSamples/app/build/tmp/compileNdklibrarysampleX86DebugArmSharedLibraryNdklibrarysampleX86DebugArmSharedLibraryMainCpp/output.txt

[hannesa2]

With last commit, I solved previous error, and now I run into this

/Users/hannes/Development/android-ndk-r10b/toolchains/arm-linux-androideabi-4.9/prebuilt/darwin-x86_64/bin/../lib/gcc/arm-linux-androideabi/4.9/../../../../arm-linux-androideabi/bin/ld: fatal error: --sysroot=: must take a non-empty argument
collect2: error: ld returned 1 exit status