I just went to Install package home:osmc / osmc-installer linked from the download page and selected the Fedora repository. I have osmc-installer-1-123.1.x86_64 installed.
dnf repoquery --requires osmc-installer-1-123.1.x86_64
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/bin/bash
libQtCore.so.4()(64bit)
libQtGui.so.4()(64bit)
libQtNetwork.so.4()(64bit)
libX11(x86-32) >= 1.4.99.1
libc.so.6(GLIBC_2.14)(64bit)
libgcc_s.so.1()(64bit)
libgcc_s.so.1(GCC_3.0)(64bit)
libjpeg-turbo
libm.so.6()(64bit)
libmng
libpng
libpthread.so.0()(64bit)
libpthread.so.0(GLIBC_2.2.5)(64bit)
libstdc++.so.6()(64bit)
libstdc++.so.6(CXXABI_1.3)(64bit)
libstdc++.so.6(GLIBCXX_3.4)(64bit)
libtiff
libz.so.1()(64bit)
parted
patch
qt
rtld(GNU_HASH)
If I try to install the rpm manually I get:
rpm -i ~/Downloads/osmc-installer-1-123.1.x86_64.rpm
error: Failed dependencies:
libX11(x86-32) >= 1.4.99.1 is needed by osmc-installer-1-123.1.x86_64
And for libX11:
rpm -qi libX11
Name : libX11
Version : 1.6.3
Release : 2.fc23
Architecture: x86_64
Install Date: Thu 29 Oct 2015 21:24:58 GMT
Group : System Environment/Libraries
Size : 1323592
License : MIT
Signature : RSA/SHA256, Sun 21 Jun 2015 22:10:57 BST, Key ID 32474cf834ec9cba
Source RPM : libX11-1.6.3-2.fc23.src.rpm
Build Date : Wed 17 Jun 2015 17:34:01 BST
Build Host : buildvm-18.phx2.fedoraproject.org
Relocations : (not relocatable)
Packager : Fedora Project
Vendor : Fedora Project
URL : http://www.x.org
Summary : Core X11 protocol client library
Description :
Core X11 protocol client library.