and IO/Compress/Zlib, so they get built.
p4raw-id: //depot/perl@29514
# Special case: Add in threads/shared since it is not picked up by the
# recursive find above (and adding in general recursive finding breaks
# SDBM_File/sdbm). A.D. 10/25/2001.
+# Ditto for IO/Compress/Base and IO/Compress/Zlib
known_extensions="$known_extensions threads/shared"
+nonxs_extensions="$nonxs_extensions IO/Compress/Base IO/Compress/Zlib"
set X $nonxs_extensions
shift
nonxs_extensions="$*"