ac_init=`egrep '[ ]*'$ac_name'[ ]*=' $ac_file`
if test -z "$ac_init"; then
ac_seen=`echo "$ac_seen" |sed -e 's,^,'$ac_file':,'`
ac_init=`egrep '[ ]*'$ac_name'[ ]*=' $ac_file`
if test -z "$ac_init"; then
ac_seen=`echo "$ac_seen" |sed -e 's,^,'$ac_file':,'`