[MacPorts] #70622: automake @1.17_0 fails to install on 10.4

[MacPorts]

#70622: automake @1.17_0 fails to install on 10.4
-----------------------+--------------------
 Reporter:  fhgwright  |      Owner:  (none)
     Type:  defect     |     Status:  new
 Priority:  Normal     |  Milestone:
Component:  ports      |    Version:
 Keywords:             |       Port:
-----------------------+--------------------
 This is solely an issue with installing the precompiled binary; it builds
 successfully from source.  Precompiled binaries don't usually exist for
 10.4, but this port has a wildcarded OS version.

 Partial error output is:
 {{{
 ...
 MacT @15:40:37.937: --->  Fetching archive for automake
 MacT @15:40:40.058: --->  Attempting to fetch
 automake-1.17_0.any_any.noarch.tbz2 from
 http://bos.us.packages.macports.org/automake
 MacT @15:40:46.148: --->  Attempting to fetch
 automake-1.17_0.any_any.noarch.tbz2.rmd160 from
 http://bos.us.packages.macports.org/automake
 MacT @15:40:50.445: --->  Installing automake @1.17_0
 MacT @15:40:50.632:: /usr/bin/tar: Skipping to next header
 MacT @15:40:50.632:: /usr/bin/tar: Skipping to next header
 MacT @15:40:50.632:: /usr/bin/tar: Skipping to next header
 MacT @15:40:50.633:: /usr/bin/tar: Skipping to next header
 MacT @15:40:50.633:: /usr/bin/tar: Skipping to next header
 MacT @15:40:50.633:: /usr/bin/tar: Archive contains obsolescent base-64
 headers
 MacT @15:40:50.635:: /usr/bin/tar: Skipping to next header
 ...
 }}}

 It appears to be an issue with `/usr/bin/tar`, which is `GNU tar 1.14` on
 10.4, and `GNU tar 1.15.1` on 10.5.  It's probably fixable by using the
 MacPorts `gnutar` on 10.4, though this would be a "binary extract
 dependency" rather than an "extract dependency".  Alternatively, perhaps
 the binary archive could be constructed in a more compatible fashion.

 It's not clear that this issue is limited to `automake`; this may simply
 be the first "any" port that's been updated since that mechanism was
 created (or the first that's been updated since a change in how binary
 archives are constructed).

-- 
Ticket URL: <https://trac.macports.org/ticket/70622>
MacPorts <https://www.macports.org/>
Ports system for macOS