https://bugs.kde.org/show_bug.cgi?id=358910
Taurnil <taurnil.oro...@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |taurnil.oro...@gmail.com
--- Comment #2 from Taurnil <taurnil.oro...@gmail.com> ---
Also ran into this problem using libkface-16.04.1. After realizing I needed
opencv_contrib-3.1.0 because I have libkface use -DENABLE_OPENCV3=1 I needed to
recompile opencv-3.1.0 with those contribs. Here is the compile output without
the patch mentioned above;
Building libkface version 16.04.1
+ running "default_pre_build"
+ validating "/usr/src/libkface-16.04.1"
+ creating building dir "/usr/src/libkface-16.04.1"
+ Removing old source directory first!
+ Unpacking "/var/spool/lunar/libkface-16.04.1.tar.xz" in "/usr/src"
+ building "libkface" version "16.04.1" in /usr/src/libkface-16.04.1
+ CC_EXT="ccache "
+ CXX_EXT="ccache "
+ CC="gcc"
+ CXX="g++"
+ CPP="cpp"
+ CFLAGS=" -O2 -march=native -pipe"
+ CXXFLAGS=" -O2 -march=native -pipe"
+ CPPFLAGS=" -D_FORTIFY_SOURCE=2"
+ LDFLAGS=" -s"
+ Enabled wrapper script usage
+ running "default_cmake_build"
+ running "default_cmake_config"
+ MODULE_PREFIX="/usr"
+ running "Out of source build is required; configuring"
-- The C compiler identification is GNU 5.3.0
-- The CXX compiler identification is GNU 5.3.0
-- Check for working C compiler: /var/lib/lunar/compilers/gcc
-- Check for working C compiler: /var/lib/lunar/compilers/gcc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: /var/lib/lunar/compilers/g++
-- Check for working CXX compiler: /var/lib/lunar/compilers/g++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
--
----------------------------------------------------------------------------------
-- Starting CMake configuration for: libkface
-- Looking for __GLIBC__
-- Looking for __GLIBC__ - found
-- Performing Test _OFFT_IS_64BIT
-- Performing Test _OFFT_IS_64BIT - Success
-- First try at finding OpenCV...
-- Great, found OpenCV on the first try.
-- OpenCV Root directory is: /usr/share/OpenCV
-- OpenCV: Found version 3.1.0 (required: 3.0.0)
-- OpenCV headers: /usr/include/opencv;/usr/include
-- OpenCV libs :
opencv_core;opencv_face;opencv_highgui;opencv_objdetect;opencv_imgproc
-- Performing Test COMPILER_HAS_HIDDEN_VISIBILITY
-- Performing Test COMPILER_HAS_HIDDEN_VISIBILITY - Success
-- Performing Test COMPILER_HAS_HIDDEN_INLINE_VISIBILITY
-- Performing Test COMPILER_HAS_HIDDEN_INLINE_VISIBILITY - Success
-- Performing Test COMPILER_HAS_DEPRECATED_ATTR
-- Performing Test COMPILER_HAS_DEPRECATED_ATTR - Success
--
-- The following REQUIRED packages have been found:
* ECM (required version >= 1.1.0)
* Qt5Core
* Qt5Widgets
* Qt5Sql
* Qt5Xml
* Qt5Gui
* Qt5 (required version >= 5.2.0)
* OpenCV
-- Configuring done
-- Generating done
-- Build files have been written to: /usr/src/libkface-16.04.1/libkface-oosb
+ running "default_make"
Scanning dependencies of target extract_funnel_data
[ 4%] Generating face-funnel.data
[ 4%] Built target extract_funnel_data
Scanning dependencies of target KF5KFace_automoc
[ 8%] Automatic moc for target KF5KFace
Generating moc_databasecorebackend.cpp
[ 8%] Built target KF5KFace_automoc
Scanning dependencies of target KF5KFace
[ 12%] Building CXX object
src/CMakeFiles/KF5KFace.dir/detection/opencvfacedetector.cpp.o
[ 16%] Building CXX object
src/CMakeFiles/KF5KFace.dir/recognition-opencv-lbph/lbphfacemodel.cpp.o
In file included from
/usr/src/libkface-16.04.1/libkface-oosb/src/libopencv.h:59:0,
from
/usr/src/libkface-16.04.1/src/recognition-opencv-lbph/lbphfacemodel.h:35,
from
/usr/src/libkface-16.04.1/src/recognition-opencv-lbph/lbphfacemodel.cpp:30:
/usr/include/opencv2/face.hpp:308:18: warning: 'virtual void
cv::face::FaceRecognizer::predict(cv::InputArray,
cv::Ptr<cv::face::PredictCollector>, int) const' was hidden
[-Woverloaded-virtual]
CV_WRAP virtual void predict(InputArray src, Ptr<PredictCollector>
collector, const int state = 0) const = 0;
^
In file included from
/usr/src/libkface-16.04.1/src/recognition-opencv-lbph/lbphfacemodel.h:44:0,
from
/usr/src/libkface-16.04.1/src/recognition-opencv-lbph/lbphfacemodel.cpp:30:
/usr/src/libkface-16.04.1/src/recognition-opencv-lbph/facerec_borrowed.h:136:10:
warning: by 'KFaceIface::LBPHFaceRecognizer::predict' [-Woverloaded-virtual]
void predict(cv::InputArray _src, int &label, double &dist) const;
^
[ 20%] Building CXX object
src/CMakeFiles/KF5KFace.dir/recognition-opencv-lbph/opencvlbphfacerecognizer.cpp.o
In file included from
/usr/src/libkface-16.04.1/libkface-oosb/src/libopencv.h:59:0,
from
/usr/src/libkface-16.04.1/src/recognition-opencv-lbph/opencvlbphfacerecognizer.h:35,
from
/usr/src/libkface-16.04.1/src/recognition-opencv-lbph/opencvlbphfacerecognizer.cpp:30:
/usr/include/opencv2/face.hpp:308:18: warning: 'virtual void
cv::face::FaceRecognizer::predict(cv::InputArray,
cv::Ptr<cv::face::PredictCollector>, int) const' was hidden
[-Woverloaded-virtual]
CV_WRAP virtual void predict(InputArray src, Ptr<PredictCollector>
collector, const int state = 0) const = 0;
^
In file included from
/usr/src/libkface-16.04.1/src/recognition-opencv-lbph/lbphfacemodel.h:44:0,
from
/usr/src/libkface-16.04.1/src/recognition-opencv-lbph/opencvlbphfacerecognizer.cpp:37:
/usr/src/libkface-16.04.1/src/recognition-opencv-lbph/facerec_borrowed.h:136:10:
warning: by 'KFaceIface::LBPHFaceRecognizer::predict' [-Woverloaded-virtual]
void predict(cv::InputArray _src, int &label, double &dist) const;
^
[ 25%] Building CXX object
src/CMakeFiles/KF5KFace.dir/recognition-opencv-lbph/facerec_borrowed.cpp.o
In file included from
/usr/src/libkface-16.04.1/libkface-oosb/src/libopencv.h:59:0,
from
/usr/src/libkface-16.04.1/src/recognition-opencv-lbph/facerec_borrowed.h:39,
from
/usr/src/libkface-16.04.1/src/recognition-opencv-lbph/facerec_borrowed.cpp:39:
/usr/include/opencv2/face.hpp:308:18: warning: 'virtual void
cv::face::FaceRecognizer::predict(cv::InputArray,
cv::Ptr<cv::face::PredictCollector>, int) const' was hidden
[-Woverloaded-virtual]
CV_WRAP virtual void predict(InputArray src, Ptr<PredictCollector>
collector, const int state = 0) const = 0;
^
In file included from
/usr/src/libkface-16.04.1/src/recognition-opencv-lbph/facerec_borrowed.cpp:39:0:
/usr/src/libkface-16.04.1/src/recognition-opencv-lbph/facerec_borrowed.h:136:10:
warning: by 'KFaceIface::LBPHFaceRecognizer::predict' [-Woverloaded-virtual]
void predict(cv::InputArray _src, int &label, double &dist) const;
^
/usr/src/libkface-16.04.1/src/recognition-opencv-lbph/facerec_borrowed.cpp: In
static member function 'static cv::Ptr<KFaceIface::LBPHFaceRecognizer>
KFaceIface::LBPHFaceRecognizer::create(int, int, int, int, double,
KFaceIface::LBPHFaceRecognizer::PredictionStatistics)':
/usr/src/libkface-16.04.1/src/recognition-opencv-lbph/facerec_borrowed.cpp:516:115:
error: invalid new-expression of abstract class type
'KFaceIface::LBPHFaceRecognizer'
LBPHFaceRecognizer* const fr = new LBPHFaceRecognizer(radius, neighbors,
grid_x, grid_y, threshold, statistics);
^
In file included from
/usr/src/libkface-16.04.1/src/recognition-opencv-lbph/facerec_borrowed.cpp:39:0:
/usr/src/libkface-16.04.1/src/recognition-opencv-lbph/facerec_borrowed.h:51:7:
note: because the following virtual functions are pure within
'KFaceIface::LBPHFaceRecognizer':
class LBPHFaceRecognizer : public cv::face::FaceRecognizer
^
In file included from
/usr/src/libkface-16.04.1/libkface-oosb/src/libopencv.h:59:0,
from
/usr/src/libkface-16.04.1/src/recognition-opencv-lbph/facerec_borrowed.h:39,
from
/usr/src/libkface-16.04.1/src/recognition-opencv-lbph/facerec_borrowed.cpp:39:
/usr/include/opencv2/face.hpp:308:18: note: virtual void
cv::face::FaceRecognizer::predict(cv::InputArray,
cv::Ptr<cv::face::PredictCollector>, int) const
CV_WRAP virtual void predict(InputArray src, Ptr<PredictCollector>
collector, const int state = 0) const = 0;
^
src/CMakeFiles/KF5KFace.dir/build.make:134: recipe for target
'src/CMakeFiles/KF5KFace.dir/recognition-opencv-lbph/facerec_borrowed.cpp.o'
failed
make[2]: ***
[src/CMakeFiles/KF5KFace.dir/recognition-opencv-lbph/facerec_borrowed.cpp.o]
Error 1
CMakeFiles/Makefile2:173: recipe for target 'src/CMakeFiles/KF5KFace.dir/all'
failed
make[1]: *** [src/CMakeFiles/KF5KFace.dir/all] Error 2
Makefile:127: recipe for target 'all' failed
make: *** [all] Error 2
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