[MacPorts] #60521: TeXmacs @1.99.2_2 build fails on Mac OS X 10.15.4

[MacPorts]

#60521: TeXmacs @1.99.2_2 build fails on Mac OS X 10.15.4
--------------------------+---------------------
 Reporter:  odysseus9672  |      Owner:  (none)
     Type:  defect        |     Status:  new
 Priority:  Normal        |  Milestone:
Component:  ports         |    Version:  2.6.2
 Keywords:                |       Port:  TeXmacs
--------------------------+---------------------
 When attempting to run `sudo port install TeXmacs` on a nearly fresh
 install of Catalina, the build fails. The last error from the build log
 is:
 {{{
 :info:build System/Misc/fast_alloc.hpp:56:14: error: 'operator new[]' is
 missing exception specification 'throw()'
 :info:build inline void* operator new[] (register size_t s, void* loc) {
 return loc; }
 :info:build              ^
 :info:build
 throw()
 :info:build
 /Library/Developer/CommandLineTools/usr/bin/../include/c++/v1/new:221:70:
 note: previous declaration is here
 :info:build _LIBCPP_NODISCARD_AFTER_CXX17 inline _LIBCPP_INLINE_VISIBILITY
 void* operator new[](std::size_t, void* __p) _NOEXCEPT {return __p;}
 :info:build
 ^
 }}}

 The XCode version installed is: 11.4.1

-- 
Ticket URL: <https://trac.macports.org/ticket/60521>
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