[MacPorts] #66625: ttyd fails to build on Rosetta: error: unknown type name 'using'

[MacPorts]

#66625: ttyd fails to build on Rosetta: error: unknown type name 'using'
-------------------------------------------+-------------------------
 Reporter:  barracuda156                   |      Owner:  herbygillot
     Type:  defect                         |     Status:  assigned
 Priority:  Normal                         |  Milestone:
Component:  ports                          |    Version:  2.8.0
 Keywords:  powerpc, rosetta, snowleopard  |       Port:  ttyd
-------------------------------------------+-------------------------
 Oops, something has broken down.

 {{{
 /opt/local/include/util.h:6:1: error: unknown type name 'using'
     6 | using namespace std;
       | ^~~~~
 /opt/local/include/util.h:6:17: error: expected '=', ',', ';', 'asm' or
 '__attribute__' before 'std'
     6 | using namespace std;
       |                 ^~~
 /opt/local/include/util.h:8:10: fatal error: string: No such file or
 directory
     8 | #include <string>
       |          ^~~~~~~~
 compilation terminated.
 make[2]: *** [CMakeFiles/ttyd.dir/src/pty.c.o] Error 1
 make[2]: *** Waiting for unfinished jobs....
 }}}

 Whose is this header, `/opt/local/include/util.h`?

-- 
Ticket URL: <https://trac.macports.org/ticket/66625>
MacPorts <https://www.macports.org/>
Ports system for macOS