[1148/2134] Building CXX object modules/calib3d/CMakeFiles/opencv_calib3d.dir/src/fisheye.cpp.o
  FAILED: modules/calib3d/CMakeFiles/opencv_calib3d.dir/src/fisheye.cpp.o 
  /usr/bin/ccache /usr/bin/c++  -DCVAPI_EXPORTS -D_USE_MATH_DEFINES -D__OPENCV_BUILD=1 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I3rdparty/ippicv/ippicv_lnx/icv/include -I3rdparty/ippicv/ippicv_lnx/iw/include -I/home/ci/opencv/modules/calib3d/include -Imodules/calib3d -I/home/ci/opencv/modules/core/include -I/home/ci/opencv/modules/flann/include -I/home/ci/opencv/modules/imgproc/include -I/home/ci/opencv/modules/features2d/include -isystem . -isystem /usr/include/eigen3 -fsigned-char -W -Wall -Wreturn-type -Wnon-virtual-dtor -Waddress -Wsequence-point -Wformat -Wformat-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Wsuggest-override -Wno-delete-non-virtual-dtor -Wno-comment -Wimplicit-fallthrough=3 -Wno-strict-overflow -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections  -msse3 -fvisibility=hidden -fvisibility-inlines-hidden -O3 -DNDEBUG  -DNDEBUG -fPIC   -std=c++11 -MD -MT modules/calib3d/CMakeFiles/opencv_calib3d.dir/src/fisheye.cpp.o -MF modules/calib3d/CMakeFiles/opencv_calib3d.dir/src/fisheye.cpp.o.d -o modules/calib3d/CMakeFiles/opencv_calib3d.dir/src/fisheye.cpp.o -c /home/ci/opencv/modules/calib3d/src/fisheye.cpp
  /home/ci/opencv/modules/calib3d/src/fisheye.cpp: In function 'void cv::fisheye::undistortPoints(cv::InputArray, cv::OutputArray, cv::InputArray, cv::InputArray, cv::InputArray, cv::InputArray, cv::TermCriteria)':
  /home/ci/opencv/modules/calib3d/src/fisheye.cpp:490:23: warning: variable 'fi' set but not used [-Wunused-but-set-variable]
    490 |                 Vec2d fi = pu;
        |                       ^~
  /home/ci/opencv/modules/calib3d/src/fisheye.cpp:494:27: error: 'fi' was not declared in this scope; did you mean 'pi'?
    494 |                 dstf[i] = fi;
        |                           ^~
        |                           pi
  /home/ci/opencv/modules/calib3d/src/fisheye.cpp:496:27: error: 'fi' was not declared in this scope; did you mean 'pi'?
    496 |                 dstd[i] = fi;
        |                           ^~
        |                           pi
  [1149/2134] Building CXX object modules/calib3d/CMakeFiles/opencv_calib3d.dir/src/undistort.dispatch.cpp.o
  ninja: build stopped: subcommand failed.