[MacPorts] #62628: Unable to Upgrade "librsvg" on Lion -- Needs "rust" Which Only Builds on Yosemite or Later!

[MacPorts]

#62628: Unable to Upgrade "librsvg" on Lion -- Needs "rust" Which Only Builds on
Yosemite or Later!
-------------------------------------------------+-------------------------
 Reporter:  RobK88                               |      Owner:  (none)
     Type:  defect                               |     Status:  new
 Priority:  Normal                               |  Milestone:
Component:  ports                                |    Version:  2.6.4
 Keywords:  Tiger Leopard SnowLeopard Lion       |       Port:  librsvg
  MountainLion Mavericks                         |  rust
-------------------------------------------------+-------------------------
 I am trying to upgrade librsvg on an old Mac running Lion. But the upgrade
 fails since rust is NOW needed and rust can only be built on Macs running
 Yosemite or later.

 This bug looks similar to https://trac.macports.org/ticket/62614


 {{{
 sudo port upgrade  librsvg
 --->  Computing dependencies for rust
 --->  Fetching distfiles for rust
 Error: rust is only supported on macOS 10.10 or later.
 Error: Failed to fetch rust: unsupported platform version
 Error: See
 /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_rust/rust/main.log
 for details.
 Error: Problem while installing rust
 Error: Follow https://guide.macports.org/#project.tickets to report a bug.
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/62628>
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