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Error from STL library while compiling for Android with APP_STD=c++_static(shared)

asked 2018-09-02 21:30:57 -0500

monxarat gravatar image

updated 2018-09-02 21:35:09 -0500

Hi guys, How to fix bellow error.

When I compiling APP_STD with c++_static. Bellow error has occurred.
APP_STL := c++_static
APP_CPPFLAGS := -frtti -fexceptions
APP_ABI := armeabi-v7a armeabi arm64-v8a
APP_PLATFORM := android-18

error: undefined reference to 'cv::DescriptorMatcher::match(cv::_InputArray const&, cv::_InputArray const&, std::__ndk1::vector<cv::DMatch, std::__ndk1::allocator<cv::DMatch> >&, cv::_InputArray const&) const'
clang++: error: linker command failed with exit code 1 (use -v to see invocation)

Above Error when I called the method.

Ptr<FlannBasedMatcher> matcher = FlannBasedMatcher::create();
vector< DMatch > matches;
 matcher->match(objectDescriptor, sceneDescriptor, matches);

If I compiling with gnustl_static, then some methods of the C++ have not solved: copy_if, accumulate, minmax_element,..etc,...

I have using NDK 17 or 16 same error has occurred.

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answered 2018-09-02 23:59:42 -0500

monxarat gravatar image

I have solved this issue by way: In config like bellow.

APP_STL := gnustl_static
APP_CPPFLAGS := -std=c++11

And in

LOCAL_CPPFLAGS += -std=c++11
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if it's solved, be so kind, and close your issue here , then.

berak gravatar imageberak ( 2018-09-03 00:54:55 -0500 )edit

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Asked: 2018-09-02 21:30:57 -0500

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Last updated: Sep 02 '18