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Hello everyone,

I got this weird error:

[ 12%] Building CXX object modules/ts/CMakeFiles/opencv_ts_pch_dephelp.dir/opencv_ts_pch_dephelp.cxx.o In file included from /home/pi/opencv/modules/ts/src/precomp.hpp:4:0, from /home/pi/opencv/build/modules/ts/opencv_ts_pch_dephelp.cxx:1: /home/pi/opencv/modules/core/include/opencv2/core/private.hpp:66:24: fatal error: Eigen/Core: Datei oder Verzeichnis nicht gefunden # include <eigen core=""> ^ compilation terminated. modules/ts/CMakeFiles/opencv_ts_pch_dephelp.dir/build.make:62: die Regel für Ziel „modules/ts/CMakeFiles/opencv_ts_pch_dephelp.dir/opencv_ts_pch_dephelp.cxx.o“ scheiterte make[2]: * [modules/ts/CMakeFiles/opencv_ts_pch_dephelp.dir/opencv_ts_pch_dephelp.cxx.o] Fehler 1 CMakeFiles/Makefile2:14490: die Regel für Ziel „modules/ts/CMakeFiles/opencv_ts_pch_dephelp.dir/all“ scheiterte make[1]: [modules/ts/CMakeFiles/opencv_ts_pch_dephelp.dir/all] Fehler 2 Makefile:160: die Regel für Ziel „all“ scheiterte make: ** [all] Fehler 2

How can I fix this?

best regards

Hello everyone,

I got this weird error:

[ 12%] Building CXX object modules/ts/CMakeFiles/opencv_ts_pch_dephelp.dir/opencv_ts_pch_dephelp.cxx.o
In file included from /home/pi/opencv/modules/ts/src/precomp.hpp:4:0,
                 from /home/pi/opencv/build/modules/ts/opencv_ts_pch_dephelp.cxx:1:
/home/pi/opencv/modules/core/include/opencv2/core/private.hpp:66:24: fatal error: Eigen/Core: Datei oder Verzeichnis nicht gefunden
 #  include <eigen core="">
<Eigen/Core>
                        ^
compilation terminated.
modules/ts/CMakeFiles/opencv_ts_pch_dephelp.dir/build.make:62: die Regel für Ziel „modules/ts/CMakeFiles/opencv_ts_pch_dephelp.dir/opencv_ts_pch_dephelp.cxx.o“ scheiterte
make[2]: * *** [modules/ts/CMakeFiles/opencv_ts_pch_dephelp.dir/opencv_ts_pch_dephelp.cxx.o] Fehler 1
CMakeFiles/Makefile2:14490: die Regel für Ziel „modules/ts/CMakeFiles/opencv_ts_pch_dephelp.dir/all“ scheiterte
make[1]:  *** [modules/ts/CMakeFiles/opencv_ts_pch_dephelp.dir/all] Fehler 2
Makefile:160: die Regel für Ziel „all“ scheiterte
make: ** *** [all] Fehler 2
2

Hello everyone,

I got this weird error:

[ 12%] Building CXX object modules/ts/CMakeFiles/opencv_ts_pch_dephelp.dir/opencv_ts_pch_dephelp.cxx.o
In file included from /home/pi/opencv/modules/ts/src/precomp.hpp:4:0,
                 from /home/pi/opencv/build/modules/ts/opencv_ts_pch_dephelp.cxx:1:
/home/pi/opencv/modules/core/include/opencv2/core/private.hpp:66:24: fatal error: Eigen/Core: Datei oder Verzeichnis nicht gefunden
 #  include <Eigen/Core>
                        ^
compilation terminated.
modules/ts/CMakeFiles/opencv_ts_pch_dephelp.dir/build.make:62: die Regel für Ziel „modules/ts/CMakeFiles/opencv_ts_pch_dephelp.dir/opencv_ts_pch_dephelp.cxx.o“ scheiterte
make[2]: *** [modules/ts/CMakeFiles/opencv_ts_pch_dephelp.dir/opencv_ts_pch_dephelp.cxx.o] Fehler 1
CMakeFiles/Makefile2:14490: die Regel für Ziel „modules/ts/CMakeFiles/opencv_ts_pch_dephelp.dir/all“ scheiterte
make[1]: *** [modules/ts/CMakeFiles/opencv_ts_pch_dephelp.dir/all] Fehler 2
Makefile:160: die Regel für Ziel „all“ scheiterte
make: *** [all] Fehler 2

How can I fix this?

best regards

Hello everyone,

I got this weird error:tried to install OpenCV on my Raspberry Pi. I came across the following error message:

[ 12%] Building CXX object modules/ts/CMakeFiles/opencv_ts_pch_dephelp.dir/opencv_ts_pch_dephelp.cxx.o
In file included from /home/pi/opencv/modules/ts/src/precomp.hpp:4:0,
                 from /home/pi/opencv/build/modules/ts/opencv_ts_pch_dephelp.cxx:1:
/home/pi/opencv/modules/core/include/opencv2/core/private.hpp:66:24: fatal error: Eigen/Core: Datei oder Verzeichnis nicht gefunden
 #  include <Eigen/Core>
                        ^
compilation terminated.
modules/ts/CMakeFiles/opencv_ts_pch_dephelp.dir/build.make:62: die Regel für Ziel „modules/ts/CMakeFiles/opencv_ts_pch_dephelp.dir/opencv_ts_pch_dephelp.cxx.o“ scheiterte
make[2]: *** [modules/ts/CMakeFiles/opencv_ts_pch_dephelp.dir/opencv_ts_pch_dephelp.cxx.o] Fehler 1
CMakeFiles/Makefile2:14490: die Regel für Ziel „modules/ts/CMakeFiles/opencv_ts_pch_dephelp.dir/all“ scheiterte
make[1]: *** [modules/ts/CMakeFiles/opencv_ts_pch_dephelp.dir/all] Fehler 2
Makefile:160: die Regel für Ziel „all“ scheiterte
make: *** [all] Fehler 2

I use a Raspberry Pi 3b + with the operating system Raspbian (Version: Stretch).

How can I fix this?

best regards