Hi, Am using OpenCV3.1,Python2.7. At sudo make of opencv source cloned from git rep, below log excerpt: (Kindly guide. Thanks in advance).
[ 77%] Building CXX object modules/features2d/CMakeFiles/opencv_features2d.dir/src/keypoint.cpp.o [ 77%] Building CXX object modules/features2d/CMakeFiles/opencv_features2d.dir/src/main.cpp.o [ 77%] Building CXX object modules/features2d/CMakeFiles/opencv_features2d.dir/src/matchers.cpp.o /media/bhargav/Bhargav_WD1/temp_dir/home_bhargav/OpenCV/modules/features2d/src/matchers.cpp:47:23: fatal error: Eigen/Array: No such file or directory compilation terminated. modules/features2d/CMakeFiles/opencv_features2d.dir/build.make:552: recipe for target 'modules/features2d/CMakeFiles/opencv_features2d.dir/src/matchers.cpp.o' failed make[2]: * [modules/features2d/CMakeFiles/opencv_features2d.dir/src/matchers.cpp.o] Error 1 CMakeFiles/Makefile2:5821: recipe for target 'modules/features2d/CMakeFiles/opencv_features2d.dir/all' failed make[1]: [modules/features2d/CMakeFiles/opencv_features2d.dir/all] Error 2 Makefile:149: recipe for target 'all' failed make: ** [all] Error 2