diff --git a/perl-X500-DN.spec b/perl-X500-DN.spec
index 6d004fa..2bb41cd 100644
--- a/perl-X500-DN.spec
+++ b/perl-X500-DN.spec
@@ -1,4 +1,143 @@
 #
+#
+# built-in perl-macro
+
+# macros.perl file
+# macros for perl module building. handle with care.
+
+# Useful perl macros (from Artur Frysiak <wiget@t17.ds.pwr.wroc.pl>)
+#
+%define perl_sitearch   %(eval "`%{__perl} -V:installsitearch`"; echo $installsitearch)
+%define perl_sitelib    %(eval "`%{__perl} -V:installsitelib`"; echo $installsitelib)
+%define perl_vendorarch %(eval "`%{__perl} -V:installvendorarch`"; echo $installvendorarch)
+%define perl_vendorlib  %(eval "`%{__perl} -V:installvendorlib`"; echo $installvendorlib)
+%define perl_archlib    %(eval "`%{__perl} -V:installarchlib`"; echo $installarchlib)
+%define perl_privlib    %(eval "`%{__perl} -V:installprivlib`"; echo $installprivlib)
+
+# More useful perl macros (from Raul Dias <rsd@swi.com.br>)
+#
+%define perl_version           %(perl -V:version | sed "s!.*='!!;s!'.*!!")
+%define perl_man1ext           %(perl -V:man1ext | sed "s!.*='!!;s!'.*!!")
+%define perl_man3ext           %(perl -V:man3ext | sed "s!.*='!!;s!'.*!!")
+%define perl_man1dir           %(perl -V:man1dir | sed "s!.*='!!;s!'.*!!")
+%define perl_man3dir           %(perl -V:man3dir | sed "s!.*='!!;s!'.*!!")
+%define perl_installman1dir    %(perl -V:installman1dir | sed "s!.*='!!;s!'.*!!")
+%define perl_installman3dir    %(perl -V:installman3dir | sed "s!.*='!!;s!'.*!!")
+%define perl_installarchlib    %(perl -V:installarchlib | sed "s!.*='!!;s!'.*!!")
+%define perl_prefix            %{buildroot}
+
+# Macro to encapsulate perl requires (empty for fedora)
+# we keep the complicated form even here to easy sync the other macros with
+# perl-macros package
+# 
+%define perl_requires() \
+%if 0%{?suse_version} > 0 \
+Requires: perl(:MODULE_COMPAT_%{perl_version}) \
+%endif
+
+%define libperl_requires() \
+%if 0%{?suse_version} > 0 \
+Requires: perl = %{perl_version} \
+%endif
+
+# suse specific macros
+#
+%define perl_make_install make DESTDIR=$RPM_BUILD_ROOT install_vendor
+%define perl_process_packlist(n:) \
+  if test -n "$RPM_BUILD_ROOT" -a -d $RPM_BUILD_ROOT%perl_vendorarch/auto; then \
+    find $RPM_BUILD_ROOT%perl_vendorarch/auto -name .packlist -print0 | xargs -0 -r rm \
+    if [ %{_target_cpu} == noarch ]; then \
+      find $RPM_BUILD_ROOT%perl_vendorarch/auto -depth -type d -print0 | xargs -0 -r rmdir \
+    fi \
+  fi \
+  rm -f $RPM_BUILD_ROOT%{perl_archlib}/perllocal.pod \
+  %nil
+
+# macro: perl_gen_filelist (from Christian <chris@computersalat.de>)
+# do the rpmlint happy filelist generation
+# with %dir in front of directories
+#
+%define perl_gen_filelist(n)\
+FILES=%{name}.files\
+# fgen_dir func\
+# IN: dir\
+fgen_dir(){\
+%{__cat} >> $FILES << EOF\
+%dir ${1}\
+EOF\
+}\
+# fgen_file func\
+# IN: file\
+fgen_file(){\
+%{__cat} >> $FILES << EOF\
+${1}\
+EOF\
+}\
+# check for files in %{perl_vendorlib}\
+RES=`find ${RPM_BUILD_ROOT}%{perl_vendorlib} -maxdepth 1 -type f`\
+if [ -n "$RES" ]; then\
+  for file in $RES; do\
+    fgen_file "%{perl_vendorlib}/$(basename ${file})"\
+  done\
+fi\
+\
+# get all dirs into array\
+base_dir="${RPM_BUILD_ROOT}%{perl_vendorlib}/"\
+for dir in `find ${base_dir} -type d | sort`; do\
+  if [ "$dir" = "${base_dir}" ]; then\
+    continue\
+  else\
+    el=${dir#$base_dir}\
+    all_dir=(${all_dir[@]} $el)\
+  fi\
+done\
+\
+# build filelist\
+for i in ${all_dir[@]}; do\
+  # do not add "dir {perl_vendorlib/arch}/auto", included in perl package\
+  if [ "${i}" = "auto" ]; then\
+    continue\
+  fi\
+  if [ "%{perl_vendorlib}/${i}" = "%{perl_vendorarch}/auto" ]; then\
+    continue\
+  else\
+    if [ -d ${base_dir}/${i} ]; then\
+      if [ "%{perl_vendorlib}/${i}" != "%{perl_vendorarch}" ]; then\
+        fgen_dir "%{perl_vendorlib}/${i}"\
+      fi\
+      RES=`find "${base_dir}/${i}" -maxdepth 1 -type f`\
+      for file in $RES; do\
+        fgen_file "%{perl_vendorlib}/${i}/$(basename ${file})"\
+      done\
+    fi\
+  fi\
+done\
+# add man pages\
+# if exist :)\
+if [ -d "${RPM_BUILD_ROOT}%{_mandir}" ]; then\
+for file in `cd "${RPM_BUILD_ROOT}%{_mandir}" && find . -type f -name "*3pm*"`; do \
+   if test -e "%{_mandir}/$file" -o -e "%{_mandir}/$file.gz"; then \
+     mv ${RPM_BUILD_ROOT}%{_mandir}/$file ${RPM_BUILD_ROOT}%{_mandir}/${file/3pm/3pmc} \
+   fi \
+done \
+fgen_file "%{_mandir}/man?/*"\
+fi\
+\
+# add packlist file\
+# generated fom perllocal.pod\
+if [ -f "${RPM_BUILD_ROOT}/var/adm/perl-modules/%{name}" ]; then\
+  fgen_file "/var/adm/perl-modules/%{name}"\
+fi\
+\
+# check for files in %{_bindir}\
+if [ -d ${RPM_BUILD_ROOT}%{_bindir} ]; then\
+  RES=`find "${RPM_BUILD_ROOT}%{_bindir}" -maxdepth 1 -type f`\
+  if [ -n "$RES" ]; then\
+    for file in $RES; do\
+      fgen_file "%{_bindir}/$(basename ${file})"\
+    done\
+  fi\
+fi
 # spec file for package perl-X500-DN
 #
 # Copyright (c) 2019 SUSE LLC