make install tries to strip files it shouldn't

[ckuhtz]

cloned git repo, followed INSTALL-linux instructions. Am I missing something or is this a bug in what make install is trying to touch with strip? :)

christian@amphipod:~/src/local/klog/src$ sudo make install
[sudo] password for christian:          
/usr/lib/qt5/bin/qmake -install qinstall -exe build/target/klog /usr/local/bin/klog
strip /usr/local/bin/klog
/usr/lib/qt5/bin/qmake -install qinstall -exe /home/christian/src/local/klog/src/Changelog /usr/local/share/klog/Changelog
strip /usr/local/share/klog/Changelog
strip: /usr/local/share/klog/Changelog: file format not recognized
make: [Makefile:3605: install_datafiles] Error 1 (ignored)
/usr/lib/qt5/bin/qmake -install qinstall -exe /home/christian/src/local/klog/src/COPYING /usr/local/share/klog/COPYING
strip /usr/local/share/klog/COPYING
strip: /usr/local/share/klog/COPYING: file format not recognized
make: [Makefile:3607: install_datafiles] Error 1 (ignored)
/usr/lib/qt5/bin/qmake -install qinstall -exe /home/christian/src/local/klog/src/qml/mapqmlfile.qml /usr/local/share/klog/mapqmlfile.qml
strip /usr/local/share/klog/mapqmlfile.qml
strip: /usr/local/share/klog/mapqmlfile.qml: file format not recognized
make: [Makefile:3609: install_datafiles] Error 1 (ignored)
/usr/lib/qt5/bin/qmake -install qinstall -exe /home/christian/src/local/klog/src/qml/marker.qml /usr/local/share/klog/marker.qml
strip /usr/local/share/klog/marker.qml
strip: /usr/local/share/klog/marker.qml: file format not recognized
make: [Makefile:3611: install_datafiles] Error 1 (ignored)