Backed out changeset f9f71cccb5c3 - Wuzzy is right, the license is incompatible. I'd misread the wording on https://fontlibrary.org/en/font/symbola The terms on the author's site prevent using it with almost all FOSS projects, and even prevent using it in a merge like this. We'll just have to find some other font to improve coverage.

if(WIN32 AND NOT UNIX)
    install(DIRECTORY .
        DESTINATION ${target_library_install_dir}
		FILES_MATCHING PATTERN "*.dll" PATTERN "*.ico" 
		)
endif(WIN32 AND NOT UNIX)