ghostscript @9.23: error: expected function body after function declarator

[pauldj (Paolo Bientinesi)]

MacOS High Sierra 10.13.3

7:20 ~>sudo port clean ghostscript
--->  Cleaning ghostscript

7:20 ~>sudo port install ghostscript
--->  Computing dependencies for ghostscript
--->  Fetching archive for ghostscript
--->  Attempting to fetch ghostscript-9.23_2+x11.darwin_17.x86_64.tbz2 from https://packages.macports.org/ghostscript
--->  Attempting to fetch ghostscript-9.23_2+x11.darwin_17.x86_64.tbz2 from http://nue.de.packages.macports.org/ghostscript
--->  Attempting to fetch ghostscript-9.23_2+x11.darwin_17.x86_64.tbz2 from http://mse.uk.packages.macports.org/sites/packages.macports.org/ghostscript
--->  Fetching distfiles for ghostscript
--->  Verifying checksums for ghostscript
--->  Extracting ghostscript
--->  Applying patches to ghostscript
--->  Configuring ghostscript
--->  Building ghostscript
Error: Failed to build ghostscript: command execution failed
Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_print_ghostscript/ghostscript/main.log for details.
Error: Follow https://guide.macports.org/#project.tickets to report a bug.
Error: Processing of port ghostscript failed

[pauldj (Paolo Bientinesi)]

/opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_print_ghostscript/ghostscript/main.log

[ryandesign (Ryan Carsten Schmidt)]

A similar problem was reported for El Capitan in #56258.

What version of Xcode and clang do you have?