Your package emacs failed to build from source in current F28. https://koji.fedoraproject.org/koji/taskinfo?taskID=24782676 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
This is really weird. I tried rebuilding the package again. The first time, it built on everything but aarch64, with this error. On aarch64 https://kojipkgs.fedoraproject.org//work/tasks/3437/26623437/build.log ... Checking /builddir/build/BUILD/emacs-25.3/lisp/leim/quail/thai.el ... Backtrace: ../src/bootstrap-emacs[0x4f173c] ../src/bootstrap-emacs[0x4d91dc] ../src/bootstrap-emacs[0x4efd70] ../src/bootstrap-emacs[0x4eff60] ../src/bootstrap-emacs[0x4efff0] linux-vdso.so.1(__kernel_rt_sigreturn+0x0)[0xffffaeb7066c] ../src/bootstrap-emacs(re_search_2+0x524)[0x524124] ../src/bootstrap-emacs(re_search+0x30)[0x524ad8] <many more lines of ../src/bootstrap-emacs[<number>] make[3]: *** [Makefile:134: ../../leim/../lisp/leim/leim-list.el] Segmentation fault (core dumped) make[3]: Leaving directory '/builddir/build/BUILD/emacs-25.3/build-lucid/leim' make[2]: Leaving directory '/builddir/build/BUILD/emacs-25.3/build-lucid/src' make[2]: *** [Makefile:490: ../../lisp/leim/leim-list.el] Error 2 make[1]: *** [Makefile:398: src] Error 2 make[1]: Leaving directory '/builddir/build/BUILD/emacs-25.3/build-lucid' make: *** [Makefile:1093: bootstrap] Error 2 The next time it built on everything, include aarch64, and failed on s390x, with this error. https://kojipkgs.fedoraproject.org//work/tasks/9597/26679597/build.log In toplevel form: ../../lisp/emacs-lisp/ewoc.el:501:1:Warning: Unused lexical variable `dll' ELC emacs-lisp/find-func.elc ELC emacs-lisp/generator.elc ELC emacs-lisp/generic.elc ELC emacs-lisp/gv.elc ELC emacs-lisp/helper.elc ELC emacs-lisp/inline.elc ELC emacs-lisp/let-alist.elc ELC emacs-lisp/lisp-mnt.elc ELC emacs-lisp/map.elc ELC emacs-lisp/package-x.elc In toplevel form: ../../lisp/emacs-lisp/package-x.el:45:1:Error: Opening process input file: No such device or address, /dev/null make[3]: Leaving directory '/builddir/build/BUILD/emacs-25.3/build-gtk/lisp' make[3]: *** [Makefile:272: emacs-lisp/package-x.elc] Error 1 make[2]: *** [Makefile:295: compile-main] Error 2 make[2]: Leaving directory '/builddir/build/BUILD/emacs-25.3/build-gtk/lisp' make[1]: *** [Makefile:385: lisp] Error 2 make[1]: Leaving directory '/builddir/build/BUILD/emacs-25.3/build-gtk' make: *** [Makefile:1093: bootstrap] Error 2 error: Bad exit status from /var/tmp/rpm-tmp.hAxS9Y (%build) Trying it again.
Final rebuild worked. Something flaky, but continual rebuilds gets it done eventually.