.rpmmacros for building RHEL5-compatible RPMs on RHEL6 and up

gistfile1.txt

%_source_filedigest_algorithm 0
%_binary_filedigest_algorithm 0
%_source_payload w0.bzdio
%_binary_payload w0.bzdio
%__gpg_sign_cmd %{__gpg} gpg --batch --no-verbose --force-v3-sigs --no-armor --passphrase-fd 3 --no-secmem-warning -u "%{_gpg_name}" -sbo %{__signature_filename} %{__plaintext_filename}