CMake Warning at /usr/lib/cmake/KF6Package/KF6PackageMacros.cmake:52 (message):
  couldn't generate metainfo for org.kde.ksysguard.applicationstable: Error:
  description missing, will result in broken appdata field as 
 is
  mandatory at
  /var/pisi/plasma-systemmonitor-6.3.1-39/work/plasma-systemmonitor-6.3.1/src/faces/applicationstable/metadata.json
Call Stack (most recent call first):
  src/faces/CMakeLists.txt:1 (kpackage_install_package)


CMake Warning at /usr/lib/cmake/KF6Package/KF6PackageMacros.cmake:52 (message):
  couldn't generate metainfo for org.kde.ksysguard.processtable: Error:
  description missing, will result in broken appdata field as 
 is
  mandatory at
  /var/pisi/plasma-systemmonitor-6.3.1-39/work/plasma-systemmonitor-6.3.1/src/faces/processtable/metadata.json
Call Stack (most recent call first):
  src/faces/CMakeLists.txt:2 (kpackage_install_package)


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

    CMAKE_LD_FLAGS
    ECM_MKSPECS_INSTALL_DIR


/var/pisi/plasma-systemmonitor-6.3.1-39/work/plasma-systemmonitor-6.3.1/src/main.cpp: In function ‘int main(int, char**)’:
/var/pisi/plasma-systemmonitor-6.3.1-39/work/plasma-systemmonitor-6.3.1/src/main.cpp:104:10: warning: unused variable ‘sessionManager’ [-Wunused-variable]
  104 |     auto sessionManager = new SessionManager(&app);
      |          ^~~~~~~~~~~~~~