due to the way fz_context_new is implemented
Summary(pl.UTF-8): Wtyczka PDF dla zathury oparta na silniku mupdf
Name: zathura-pdf-mupdf
Version: 0.3.5
-Release: 1
+Release: 2
License: BSD-like
Group: Applications/Publishing
Source0: https://pwmt.org/projects/zathura-pdf-mupdf/download/%{name}-%{version}.tar.xz
BuildRequires: zathura-devel >= 0.3.9
Requires(post,postun): desktop-file-utils
Requires: girara >= 0.2.3
-Requires: mupdf >= 1.16
+%requires_eq mupdf
Requires: zathura >= 0.3.9
BuildRoot: %{tmpdir}/%{name}-%{version}-root-%(id -u -n)