Scanning dependencies of target opencv_flann
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Building CXX object modules/ml/CMakeFiles/opencv_ml.dir/src/testset.o
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In file included from /home/test/test/output/build/opencv-2.3.1a/modules/flann/src/precomp.hpp:9,
                 from /home/test/test/output/build/opencv-2.3.1a/modules/flann/src/miniflann.cpp:1:
/home/test/test/output/build/opencv-2.3.1a/modules/flann/include/opencv2/flann/dist.h: In function 'T cvflann::abs(T) [with T = long double]':
/home/test/test/output/build/opencv-2.3.1a/modules/flann/include/opencv2/flann/dist.h:66: error: 'fabsl' was not declared in this scope
In file included from /home/test/test/output/build/opencv-2.3.1a/modules/flann/src/precomp.hpp:9,
                 from /home/test/test/output/build/opencv-2.3.1a/modules/flann/src/flann.cpp:29:
/home/test/test/output/build/opencv-2.3.1a/modules/flann/include/opencv2/flann/dist.h: In function 'T cvflann::abs(T) [with T = long double]':
/home/test/test/output/build/opencv-2.3.1a/modules/flann/include/opencv2/flann/dist.h:66: error: 'fabsl' was not declared in this scope
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In file included from /home/test/test/output/build/opencv-2.3.1a/modules/flann/src/precomp.hpp:9,
                 from /home/test/test/output/build/opencv-2.3.1a/modules/flann/src/precomp.cpp:1:
/home/test/test/output/build/opencv-2.3.1a/modules/flann/include/opencv2/flann/dist.h: In function 'T cvflann::abs(T) [with T = long double]':
/home/test/test/output/build/opencv-2.3.1a/modules/flann/include/opencv2/flann/dist.h:66: error: 'fabsl' was not declared in this scope
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