Error message during build: strip: file format not recognized

[yurivict]

Describe the bug
The build succeeds after this error message:

strip /usr/ports/graphics/photoflare/work/stage/usr/local/share/pixmaps/photoflare.png
strip: file format not recognized
*** Error code 1 (ignored)
/usr/local/lib/qt5/bin/qmake -install qinstall -exe /usr/ports/graphics/photoflare/work/photoflare-1.6.12/installers/deb/DEBIAN/usr/share/applications/photoflare.desktop /usr/ports/graphics/photoflare/work/stage/usr/local/share/applications/photoflare.desktop
strip /usr/ports/graphics/photoflare/work/stage/usr/local/share/applications/photoflare.desktop
strip: file format not recognized
*** Error code 1 (ignored)
/usr/local/lib/qt5/bin/qmake -install qinstall /usr/ports/graphics/photoflare/work/photoflare-1.6.12/photoflare.1 /usr/ports/graphics/photoflare/work/stage/usr/local/man/man1/photoflare.1
/usr/local/lib/qt5/bin/qmake -install qinstall /usr/ports/graphics/photoflare/work/photoflare-1.6.12/io.photoflare.photoflare.appdata.xml /usr/ports/graphics/photoflare/work/stage/usr/local/share/metainfo/io.photoflare.photoflare.appdata.xml
====> Compressing man pages (compress-man)

Desktop (please complete the following information):

• OS: FreeBSD 13.1
• Version 1.6.12