CMake Warning at /usr/lib/cmake/opencv4/OpenCVConfig.cmake:118 (message):
  OpenCV: Include directory doesn't exist: '/usr/include/opencv4'.  OpenCV
  installation may be broken.  Skip...
Call Stack (most recent call first):
  CMakeLists.txt:328 (find_package)


CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_LD_FLAGS
    ECM_MKSPECS_INSTALL_DIR


In file included from /var/pisi/kstars-3.7.8-59/work/kstars-3.7.8/kstars/fitsviewer/fitsdata.h:55,
                 from /var/pisi/kstars-3.7.8-59/work/kstars-3.7.8/kstars/fitsviewer/fitshistogrameditor.h:10,
                 from /var/pisi/kstars-3.7.8-59/work/kstars-3.7.8/kstars/fitsviewer/fitsviewer.h:25,
                 from /var/pisi/kstars-3.7.8-59/work/kstars-3.7.8/kstars/indi/guimanager.cpp:14:
/var/pisi/kstars-3.7.8-59/work/kstars-3.7.8/kstars/fitsviewer/fitsstack.h:16:10: fatal error: opencv2/opencv.hpp: No such file or directory
   16 | #include "opencv2/opencv.hpp"
      |          ^~~~~~~~~~~~~~~~~~~~
compilation terminated.
make[2]: *** [kstars/CMakeFiles/KStarsLib.dir/build.make:1136: kstars/CMakeFiles/KStarsLib.dir/indi/guimanager.cpp.o] Error 1
make[2]: *** Waiting for unfinished jobs....
In file included from /var/pisi/kstars-3.7.8-59/work/kstars-3.7.8/kstars/fitsviewer/fitsdata.h:55,
                 from /var/pisi/kstars-3.7.8-59/work/kstars-3.7.8/kstars/indi/indicamera.h:9,
                 from /var/pisi/kstars-3.7.8-59/work/kstars-3.7.8/build/kstars/KStarsLib_autogen/YBWGFWFLDP/../../../../kstars/ekos/align/align.h:14,
                 from /var/pisi/kstars-3.7.8-59/work/kstars-3.7.8/build/kstars/KStarsLib_autogen/YBWGFWFLDP/moc_align.cpp:9,
                 from /var/pisi/kstars-3.7.8-59/work/kstars-3.7.8/build/kstars/KStarsLib_autogen/mocs_compilation.cpp:40:
/var/pisi/kstars-3.7.8-59/work/kstars-3.7.8/kstars/fitsviewer/fitsstack.h:16:10: fatal error: opencv2/opencv.hpp: No such file or directory
   16 | #include "opencv2/opencv.hpp"
      |          ^~~~~~~~~~~~~~~~~~~~
compilation terminated.
make[2]: *** [kstars/CMakeFiles/KStarsLib.dir/build.make:1066: kstars/CMakeFiles/KStarsLib.dir/KStarsLib_autogen/mocs_compilation.cpp.o] Error 1
/var/pisi/kstars-3.7.8-59/work/kstars-3.7.8/kstars/indi/drivermanager.cpp: In member function ‘void DriverManager::startLocalDrivers(ServerManager*)’:
/var/pisi/kstars-3.7.8-59/work/kstars-3.7.8/kstars/indi/drivermanager.cpp:387:107: warning: ignoring return value of ‘auto QtConcurrent::run(Function&&, Args&& ...) [with Function = void (ServerManager::*)(const QSharedPointer&); Args = {ServerManager*&, QSharedPointer&}]’, declared with attribute ‘nodiscard’: ‘Use QThreadPool::start(Callable&&) if you don't need the returned QFuture’ [-Wunused-result]
  387 |     QtConcurrent::run(&ServerManager::startDriver, serverManager, serverManager->pendingDrivers().first());
      |                                                                                                           ^
In file included from /usr/include/qt6/QtConcurrent/QtConcurrent:14,
                 from /var/pisi/kstars-3.7.8-59/work/kstars-3.7.8/kstars/indi/drivermanager.cpp:33:
/usr/include/qt6/QtConcurrent/qtconcurrentrun.h:62:6: note: declared here
   62 | auto run(Function &&f, Args &&...args)
      |      ^~~
/var/pisi/kstars-3.7.8-59/work/kstars-3.7.8/kstars/indi/drivermanager.cpp: In member function ‘void DriverManager::processDriverStartup(const QSharedPointer&)’:
/var/pisi/kstars-3.7.8-59/work/kstars-3.7.8/kstars/indi/drivermanager.cpp:402:99: warning: ignoring return value of ‘auto QtConcurrent::run(Function&&, Args&& ...) [with Function = void (ServerManager::*)(const QSharedPointer&); Args = {ServerManager*&, QSharedPointer&}]’, declared with attribute ‘nodiscard’: ‘Use QThreadPool::start(Callable&&) if you don't need the returned QFuture’ [-Wunused-result]
  402 |         QtConcurrent::run(&ServerManager::startDriver, manager, manager->pendingDrivers().first());
      |                                                                                                   ^
/usr/include/qt6/QtConcurrent/qtconcurrentrun.h:62:6: note: declared here
   62 | auto run(Function &&f, Args &&...args)
      |      ^~~
/var/pisi/kstars-3.7.8-59/work/kstars-3.7.8/kstars/indi/drivermanager.cpp: In lambda function:
/var/pisi/kstars-3.7.8-59/work/kstars-3.7.8/kstars/indi/drivermanager.cpp:432:103: warning: ignoring return value of ‘auto QtConcurrent::run(Function&&, Args&& ...) [with Function = void (ServerManager::*)(const QSharedPointer&); Args = {ServerManager*&, QSharedPointer&}]’, declared with attribute ‘nodiscard’: ‘Use QThreadPool::start(Callable&&) if you don't need the returned QFuture’ [-Wunused-result]
  432 |             QtConcurrent::run(&ServerManager::startDriver, manager, manager->pendingDrivers().first());
      |                                                                                                       ^
/usr/include/qt6/QtConcurrent/qtconcurrentrun.h:62:6: note: declared here
   62 | auto run(Function &&f, Args &&...args)
      |      ^~~
make[1]: *** [CMakeFiles/Makefile2:673: kstars/CMakeFiles/KStarsLib.dir/all] Error 2
make: *** [Makefile:136: all] Error 2
Traceback (most recent call last):
  File "/var/pisi/kstars/actions.py", line 18, in build
    kde6.make()
  File "/usr/lib/pisilinux/pisi/actionsapi/kde6.py", line 63, in make
    cmaketools.make('-C build %s' % parameters)
  File "/usr/lib/pisilinux/pisi/actionsapi/cmaketools.py", line 77, in make
    if system(command):
  File "/usr/lib/pisilinux/pisi/actionsapi/shelltools.py", line 255, in system
    error(_("Command \"%s\" failed, return value was %d.") % (command, retValue))
  File "/usr/lib/pisilinux/pisi/actionsapi/__init__.py", line 27, in error
    raise Error(msg)
pisi.actionsapi.Error: Command "make -j5 -C build" failed, return value was 2.
Action script error caught.
*** 1 error(s), 0 warning(s)
Program terminated.