[MacPorts] #62797: legacy-support @1.0.0_0 dyld: Library not loaded: @executable_path/../lib/libMacportsLegacySupport.dylib Reason: image not found

[MacPorts]

#62797: legacy-support @1.0.0_0 dyld: Library not loaded:
@executable_path/../lib/libMacportsLegacySupport.dylib Reason: image not
found
------------------------+----------------------------
 Reporter:  cave-canem  |      Owner:  (none)
     Type:  defect      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:  2.6.99
 Keywords:              |       Port:  legacy-support
------------------------+----------------------------
 Port "rust" built with "legacy-support @ 0.15_2".
 {{{
 port -v installed active and legacy-support; port -v installed rust
 The following ports are currently installed:
   legacy-support @0.15_2 (active) platform='darwin 13' archs='x86_64'
 date='2021-05-01T16:20:20+0300'
 The following ports are currently installed:
   rust @1.51.0_2 (active) platform='darwin 13' archs='x86_64'
 date='2021-05-03T00:49:02+0300'
 }}}
 Trying to build port "rust" with "legacy-support @ 1.0.0_0" '''without
 changing anything else'''.

 {{{
 sudo port activate legacy-support @1.0.0_0; sudo port -k -vt upgrade -n
 --force rust
 Password:
 --->  Deactivating legacy-support @0.15_2
 --->  Cleaning legacy-support
 --->  Activating legacy-support @1.0.0_0
 --->  Cleaning legacy-support
 --->  Computing dependencies for rust.
 --->  Fetching distfiles for rust
 --->  Verifying checksums for rust
 --->  Checksumming rustc-1.51.0-src.tar.gz
 --->  Checksumming rust-std-1.50.0-x86_64-apple-darwin.tar.gz
 --->  Checksumming rustc-1.50.0-x86_64-apple-darwin.tar.gz
 --->  Checksumming cargo-1.50.0-x86_64-apple-darwin.tar.gz
 --->  Extracting rust
 --->  Extracting rustc-1.51.0-src.tar.gz
 ...
 dyld: Library not loaded:
 @executable_path/../lib/libMacportsLegacySupport.dylib
   Referenced from: /opt/MacPorts/lib/libMacportsLegacySystem.B.dylib
   Reason: image not found
 ...
 Command failed:  cd "/opt/MacPorts/var/macports/build/_opt_macports-
 ports_lang_rust/rust/work/rustc-1.51.0-src" && /usr/bin/make -j4 -w all
 VERBOSE=1 BOOTSTRAP_ARGS="-vv -j4"
 Exit code: 2
 The following files would have been hidden from the build system by trace
 mode if they existed:
   /usr/gnu/include
   /usr/local/MacPorts/var/macports/home/.CFUserTextEncoding
   /usr/local/include
 Error: Failed to build rust: command execution failed
 Error: See /opt/MacPorts/var/macports/logs/_opt_macports-
 ports_lang_rust/rust/main.log for details.
 Error: Follow https://guide.macports.org/#project.tickets to report a bug.
 }}}

 See attached "main.log"

-- 
Ticket URL: <https://trac.macports.org/ticket/62797>
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