[MacPorts] #70929: lz4 fails to build

[MacPorts]

#70929: lz4 fails to build
----------------------------+--------------------
 Reporter:  murrayE         |      Owner:  (none)
     Type:  defect          |     Status:  new
 Priority:  Normal          |  Milestone:
Component:  ports           |    Version:  2.10.1
 Keywords:  swequoia arm64  |       Port:  lz4
----------------------------+--------------------
 During `sudo port migrate` from Sonoma to Sequoia 15.0, port `lz4
 +universal` failed to build. From `main.log`:
 {{{
 :info:build make[1]: Entering directory
 `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_archivers_lz4/lz4/work/lz4-1.10.0-arm64/contrib/gen_manual'
 :info:build gen_manual.cpp:35:10: fatal error: 'iostream' file not found
 :info:build    35 | #include <iostream>
 :info:build       |          ^~~~~~~~~~
 :info:build 1 error generated.
 }}}

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Ticket URL: <https://trac.macports.org/ticket/70929>
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