+diff -urpa rpm-4.5.orig/configure.ac rpm-4.5/configure.ac
+--- rpm-4.5.orig/configure.ac 2011-10-03 01:50:17.000000000 +0000
++++ rpm-4.5/configure.ac 2018-02-22 12:42:35.749384821 +0000
+@@ -291,6 +291,7 @@ AC_PATH_PROG(__PHP, php, %{_bindir}/php,
+ AC_PATH_PROG(__PYTHON, python, %{_bindir}/python, $MYPATH)
+ AC_PATH_PROG(__RM, rm, /bin/rm, $MYPATH)
+ AC_PATH_PROG(__RSH, rsh, %{_bindir}/rsh, $MYPATH)
++AC_PATH_PROG(__RUBY, ruby, %{_bindir}/ruby, $MYPATH)
+ AC_PATH_PROG(__SED, sed, /bin/sed, $MYPATH)
+ AC_PATH_PROG(__SH, sh, /bin/sh, $MYPATH)
+ AC_PATH_PROG(__SSH, ssh, %{_bindir}/ssh, $MYPATH)
+diff -urpa rpm-4.5.orig/macros.in rpm-4.5/macros.in
+--- rpm-4.5.orig/macros.in 2008-06-10 22:00:43.000000000 +0000
++++ rpm-4.5/macros.in 2018-02-22 13:53:01.843337239 +0000
+@@ -78,6 +78,7 @@
+ %__python @__PYTHON@
+ %__rm @__RM@
+ %__rsh @__RSH@
++%__ruby @__RUBY@
+ %__sed @__SED@
+ %__sh @__SH@
+ %__ssh @__SSH@
+@@ -1421,6 +1422,44 @@ PreReq: python >= %{python_version}, pyt
+ #%__java_requires %{_rpmhome}/javadeps.sh --requires
+
+ #------------------------------------------------------------------------
++# ruby(...) configuration.
++#
++# Path to scripts to autogenerate ruby package dependencies,
++
++# Note: Used if _use_internal_dependency_generator is non-zero. The
++# helpers are also used by %{_rpmhome}/rpmdeps {--provides|--requires}.
++%__ruby_provides %{_rpmhome}/rubygems.rb --provides
++%__ruby_requires %{_rpmhome}/rubygems.rb --requires
++
++%ruby_version %(%{__ruby} -rrbconfig -e 'print RbConfig::CONFIG["ruby_version"]')
++
++%ruby_archdir %(%{__ruby} -rrbconfig -e 'print RbConfig::CONFIG["archdir"]')
++%ruby_libdir %(%{__ruby} -rrbconfig -e 'print RbConfig::CONFIG["rubylibdir"]')
++%ruby_sitedir %(%{__ruby} -rrbconfig -e 'print RbConfig::CONFIG["sitedir"]')
++%ruby_sitearchdir %(%{__ruby} -rrbconfig -e 'print RbConfig::CONFIG["sitearchdir"]')
++%ruby_sitelibdir %(%{__ruby} -rrbconfig -e 'print RbConfig::CONFIG["sitelibdir"]')
++%ruby_vendordir %(%{__ruby} -rrbconfig -e 'print RbConfig::CONFIG["vendordir"]')
++%ruby_vendorarchdir %(%{__ruby} -rrbconfig -e 'print RbConfig::CONFIG["vendorarchdir"]')
++%ruby_vendorlibdir %(%{__ruby} -rrbconfig -e 'print RbConfig::CONFIG["vendorlibdir"]')
++%ruby_gemdir %(%{__ruby} -rrbconfig -e 'print RbConfig::CONFIG["rubylibdir"].sub(RbConfig::CONFIG["ruby_version"], "gems/#{RbConfig::CONFIG["ruby_version"]}")')
++%ruby_ridir %(%{__ruby} -rrbconfig -e 'print File.join(RbConfig::CONFIG["datadir"], "ri", RbConfig::CONFIG["ruby_version"])')
++
++%__gem_helper %{_usrlibrpm}/gem_helper.rb
++
++%gem_build(f:j:) \
++ %__gem_helper build \\\
++ %{-f:-f%{-f*}} \\\
++ %{!-j:%{_smp_mflags}}%{-j:-j%{-j*}}
++
++%gem_install(i:n:C) \
++ DESTDIR=${DESTDIR:-%{buildroot}} \\\
++ %__gem_helper install \\\
++ --env-shebang --rdoc --ri --force --ignore-dependencies \\\
++ %{!-i:--install-dir %{buildroot}%{ruby_gemdir}}%{-i:--install-dir %{-i*}} \\\
++ %{!-n:--bindir %{buildroot}%{_bindir}}%{-n:--bindir%{-n*}} \\\
++ %{!-C:--fix-permissions}
++
++#------------------------------------------------------------------------
+ # libtool(...) configuration.
+ #
+ # Path to scripts to autogenerate libtool package dependencies,
+diff -urpa rpm-4.5.orig/scripts/Makefile.am rpm-4.5/scripts/Makefile.am
+--- rpm-4.5.orig/scripts/Makefile.am 2008-05-21 20:48:02.000000000 +0000
++++ rpm-4.5/scripts/Makefile.am 2018-02-22 13:55:18.773335698 +0000
+@@ -19,7 +19,8 @@ EXTRA_DIST = \
+ sql.prov sql.req symclash.py symclash.sh tcl.req tgpg trpm u_pkg.sh \
+ vpkg-provides.sh vpkg-provides2.sh \
+ macros.perl* macros.python* \
+- macros.php* find-*.php find-php-*
++ macros.php* find-*.php find-php-* \
++ gem_helper.rb rubygems.rb
+
+ installprefix = $(DESTDIR)
+
+@@ -43,4 +44,5 @@ versionlib_SCRIPTS = \
+ rpmdb_loadcvt \
+ rpm.daily rpm.log rpm.xinetd \
+ symclash.py symclash.sh tgpg u_pkg.sh \
+- vpkg-provides.sh vpkg-provides2.sh
++ vpkg-provides.sh vpkg-provides2.sh \
++ gem_helper.rb rubygems.rb