watchman 4.9.0_0 darwin_18.x86_64: Failed to build watchman: command execution failed

[Splaktar (Michael Prentice)]

• macOS: 10.14 (18A391)
• xcode: 10.0 (10A255)

Followed ​https://trac.macports.org/wiki/Migration after upgrading to Mojave.

Running xargs sudo port setrequested < requested.txt gives: Error: Registry error: watchman not registered as installed.

Running sudo port install watchman gives:

--->  Computing dependencies for watchman
--->  Fetching archive for watchman
--->  Attempting to fetch watchman-4.9.0_0.darwin_18.x86_64.tbz2 from https://packages.macports.org/watchman
--->  Attempting to fetch watchman-4.9.0_0.darwin_18.x86_64.tbz2 from http://sea.us.packages.macports.org/macports/packages/watchman
--->  Attempting to fetch watchman-4.9.0_0.darwin_18.x86_64.tbz2 from http://lil.fr.packages.macports.org/watchman
--->  Fetching distfiles for watchman
--->  Verifying checksums for watchman
--->  Extracting watchman
--->  Configuring watchman
--->  Building watchman
Error: Failed to build watchman: command execution failed
Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_sysutils_watchman/watchman/main.log for details.
Error: Follow https://guide.macports.org/#project.tickets to report a bug.
Error: Processing of port watchman failed

[Splaktar (Michael Prentice)]

build log: main.log