gem-unicode-devel-0.4.4.4-alt1.1.noarch	rpm-filesystem-conflict-file-file	warn	File /usr/include/unicode/ustring.h conflicts with the package libicu-devel-7.4.2-alt1.x86_64. Moreover, the packages have no explicit conflicts with each other. You should add explicit conflicts, or, if conflicts are avoidable, consider using alternatives.;