valgrind-macos-devel @3.16.1-r2020-12-17_0 build failure

[Ubiquitous]

While attempting to install valgrind on macOS 10.14.6 (Mojave) it fails with the following error message.

$ sudo port install valgrind-macos-devel
--->  Computing dependencies for valgrind-macos-devel
--->  Fetching archive for valgrind-macos-devel
--->  Attempting to fetch valgrind-macos-devel-3.16.1-r2020-12-17_0.darwin_18.x86_64.tbz2 from http://packages.macports.org/valgrind-macos-devel
--->  Attempting to fetch valgrind-macos-devel-3.16.1-r2020-12-17_0.darwin_18.x86_64.tbz2 from http://ywg.ca.packages.macports.org/mirror/macports/packages/valgrind-macos-devel
--->  Attempting to fetch valgrind-macos-devel-3.16.1-r2020-12-17_0.darwin_18.x86_64.tbz2 from http://mse.uk.packages.macports.org/valgrind-macos-devel
--->  Fetching distfiles for valgrind-macos-devel
--->  Verifying checksums for valgrind-macos-devel
--->  Extracting valgrind-macos-devel
--->  Configuring valgrind-macos-devel
Warning: Configuration logfiles contain indications of -Wimplicit-function-declaration; check that features were not accidentally disabled:
  foo: found in valgrind-3.16.1-r2020-12-17/config.log
--->  Building valgrind-macos-devel
Error: Failed to build valgrind-macos-devel: command execution failed
Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_valgrind/valgrind-macos-devel/main.log for details.
Error: Follow https://guide.macports.org/#project.tickets if you believe there is a bug.
Error: Processing of port valgrind-macos-devel failed

Attached is the complete install logfile:

/opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_valgrind/valgrind-macos-devel/main.log

[Ubiquitous]

valgrind install log

[jmroot (Joshua Root)]

#62667