Undefined PLT symbol "__cxa_throw" (dynamic exception specifications are deprecated in C++11?)

[MatthiasPetermann]

Hello,

I am trying to install this package via luarocks on lua 5.3. The installation works so far, but I get an error message when I "require" the xml lib in my script, which indicates that a symbol from a dependent library can not be resolved:

error loading module 'xml.core' from file 'local/lib/lua/5.3/xml/core.so': local/lib/lua/5.3/xml/core.so: Undefined PLT symbol "__cxa_throw" (symnum = 8) lua: local/share/lua/5.3/xml/init.lua:31: attempt to call a nil value (field 'Parser') stack traceback: local/share/lua/5.3/xml/init.lua:31: in main chunk [C]: in function 'require' ./project-list.lua:21: in main chunk [C]: in ?

I'm trying this on NetBSD which is certainly not the usual use case - so of course it could be that it's my environment. I'd still appreciate a quick feedback. In case it's a bug, I'm happy to help test it, of course.

Since the complained about symbol cxa_throw seems to be a part of the exception handling, maybe also the following writeout might be interesting, which appears during the installation with Luarocks at some of the C-files:

src/bind/dub/dub.h:304:82: warning: dynamic exception specifications are deprecated in C++11 [-Wdeprecated]
 void **checksdata(lua_State *L, int ud, const char *tname, bool keep_mt = false) throw(dub::Exception);

Many greetings
Matthias