[MacPorts] #61945: fldigi port fails to rebuild

[MacPorts]

#61945: fldigi port fails to rebuild
-------------------------+----------------------
  Reporter:  mouse07410  |      Owner:  ra1nb0w
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:
      Port:  fldigi      |
-------------------------+----------------------

Comment (by mouse07410):

 {{{
 $ cc -std=c++11 -Wall -fsyntax-only src/dialogs/guide.cxx
 src/dialogs/guide.cxx:1:26: warning: missing terminating '"' character
 [-Winvalid-pp-token]
 const char* szBeginner = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\
                          ^
 src/dialogs/guide.cxx:1:26: error: expected expression
 src/dialogs/guide.cxx:740:12: warning: missing terminating '"' character
 [-Winvalid-pp-token]
   <div id=\"toctitle\">Table of Contents</div>
            ^
 2 warnings and 1 error generated.
 $ clang++-mp-11 -std=c++11 -Wall -fsyntax-only src/dialogs/guide.cxx
 src/dialogs/guide.cxx:1:26: warning: missing terminating '"' character
 [-Winvalid-pp-token]
 const char* szBeginner = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\
                          ^
 src/dialogs/guide.cxx:1:26: error: expected expression
 src/dialogs/guide.cxx:740:12: warning: missing terminating '"' character
 [-Winvalid-pp-token]
   <div id=\"toctitle\">Table of Contents</div>
            ^
 2 warnings and 1 error generated.
 $ env | grep CXXFLAGS
 CXXFLAGS=-march=native -O3 -std=gnu++17 -isysroot
 /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk
 $
 }}}

 No custom configuration in {{{/opt/local/etc/macports}}}, AFAIK.

 Could you think of anything else I could/should look for?

-- 
Ticket URL: <https://trac.macports.org/ticket/61945#comment:8>
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