-subdirs=`grep _"$distribution"_SUBDIRS= distributions |cut -d= -f2`
-sed -e "/SILC_DISTRIBUTION_SUBDIRS/s//$subdirs/" Makefile.am.pre >Makefile.am
+subdirs=`grep "$distribution"_SUBDIRS= distributions |cut -d= -f2`
+ed=`grep "$distribution"_EXTRA_DIST= distributions |cut -d= -f2`
+sed -e "/SILC_DISTRIBUTION_EXTRA/s,,$ed," Makefile.am.pre >Makefile.am