macvim failed to build on macos BigSur: Undefined symbols for architecture arm64:

[benoitc (Benoit Chesneau)]

running an installation of macvim without options on macos BigSUr on an iMac Pro freshly installed return the erro below. Latest macports was just installed with anything installed yet.

info:build ld: warning: ignoring file /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_editors_MacVim/MacVim/work/macvim-dev-macvim-3079528/src/MacVim/Sparkle.framework/Sparkle, building for macOS-arm64 but attempting to link with file built for macOS-x86_64
:info:build Undefined symbols for architecture arm64:
:info:build   "_OBJC_CLASS_$_SUUpdater", referenced from:
:info:build       objc-class-ref in MMAppController.o
:info:build ld: symbol(s) not found for architecture arm64
:info:build clang: error: linker command failed with exit code 1 (use -v to see invocation)
:info:build ** BUILD FAILED **
:info:build The following build commands failed:
:info:build 	Ld build/Release/MacVim.app/Contents/MacOS/MacVim normal arm64
:info:build (1 failure)
:info:build make[1]: *** [macvim] Error 65
:info:build make[1]: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_editors_MacVim/MacVim/work/macvim-dev-macvim-3079528/src'
:info:build make: *** [all] Error 2
:info:build make: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_editors_MacVim/MacVim/work/macvim-dev-macvim-3079528'
:info:build Command failed:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_editors_MacVim/MacVim/work/macvim-166" && /usr/bin/make -j20 -w all XCODEFLAGS="CACHE_ROOT=/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_editors_MacVim/MacVim/work/caches -UseNewBuildSystem=NO MACOSX_DEPLOYMENT_TARGET=11.0" 
:info:build Exit code: 2
:error:build Failed to build MacVim: command execution failed
:debug:build Error code: CHILDSTATUS 12245 2
:debug:build Backtrace: command execution failed
:debug:build     while executing
:debug:build "system {*}$notty {*}$nice $fullcmdstring"
:debug:build     invoked from within
:debug:build "command_exec build"
:debug:build     (procedure "portbuild::build_main" line 8)
:debug:build     invoked from within
:debug:build "$procedure $targetname"

[benoitc (Benoit Chesneau)]

build log