+%ifarch %{ppc}
+install -d $RPM_BUILD_ROOT%{_rpmlibdir}/ppc-linux
+install %{SOURCE108} $RPM_BUILD_ROOT%{_rpmlibdir}/ppc-linux/macros
+%endif
+
+# first platform file entry can't contain regexps
+echo "%{_target_cpu}-%{_target_vendor}-linux" > $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform
+
+# x86_64 things
+%ifarch x86_64
+echo "amd64-[^-]*-linux(-gnu)?" >> $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform
+echo "x86_64-[^-]*-linux(-gnu)?" >> $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform
+%endif
+%ifarch amd64
+echo "amd64-[^-]*-linux(-gnu)?" >> $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform
+echo "x86_64-[^-]*-linux(-gnu)?" >> $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform
+%endif
+%ifarch ia32e
+echo "ia32e-[^-]*-linux(-gnu)?" >> $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform
+echo "x86_64-[^-]*-linux(-gnu)?" >> $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform
+%endif
+
+# x86 things
+%ifarch athlon %{x8664}
+echo "athlon-[^-]*-linux(-gnu)?" >> $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform
+%endif
+%ifarch pentium4 athlon %{x8664}
+echo "pentium4-[^-]*-linux(-gnu)?" >> $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform
+%endif
+%ifarch pentium3 pentium4 athlon %{x8664}
+echo "pentium3-[^-]*-linux(-gnu)?" >> $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform
+%endif
+%ifarch i686 pentium3 pentium4 athlon %{x8664}
+echo "i686-[^-]*-linux(-gnu)?" >> $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform
+%endif
+%ifarch i586 i686 pentium3 pentium4 athlon %{x8664}
+echo "i586-[^-]*-linux(-gnu)?" >> $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform
+%endif
+%ifarch i486 i586 i686 pentium3 pentium4 athlon %{x8664}
+echo "i486-[^-]*-linux(-gnu)?" >> $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform
+%endif
+%ifarch %{ix86} %{x8664}
+echo "i386-[^-]*-linux(-gnu)?" >> $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform
+%endif
+
+%ifarch alpha
+echo "alpha-[^-]*-linux(-gnu)?" >> $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform
+%endif
+
+%ifarch ia64
+echo "ia64-[^-]*-linux(-gnu)?" >> $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform
+%endif
+
+%ifarch ppc64
+echo "powerpc64-[^-]*-linux(-gnu)?" >> $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform
+echo "ppc64-[^-]*-linux(-gnu)?" >> $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform
+%endif
+%ifarch %{ppc} ppc64
+echo "powerpc-[^-]*-linux(-gnu)?" >> $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform
+echo "ppc-[^-]*-linux(-gnu)?" >> $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform
+%endif
+
+%ifarch s390x
+echo "s390x-[^-]*-linux(-gnu)?" >> $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform
+%endif
+%ifarch s390 s390x
+echo "s390-[^-]*-linux(-gnu)?" >> $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform
+%endif
+
+%ifarch sparc64
+echo "sparc64-[^-]*-linux(-gnu)?" >> $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform
+echo "sparcv8-[^-]*-linux(-gnu)?" >> $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform
+echo "sparcv9-[^-]*-linux(-gnu)?" >> $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform
+%endif
+%ifarch sparcv9
+echo "sparcv8-[^-]*-linux(-gnu)?" >> $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform
+echo "sparcv9-[^-]*-linux(-gnu)?" >> $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform
+%endif
+%ifarch sparc sparcv9 sparc64
+echo "sparc-[^-]*-linux(-gnu)?" >> $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform
+%endif
+
+# noarch
+echo "noarch-[^-]*-.*" >> $RPM_BUILD_ROOT%{_sysconfdir}/rpm/platform