Thanks for the hint. The problem is effectively related to linking. I
missed *-lstdc++ *in the linker. Adding "libraries" to the rockspec fixed
my issue:
build = {
type = 'builtin',
modules = {
-- Plain Lua files
['xml' ] = 'xml/init.lua',
['xml.Parser' ] = 'xml/Parser.lua',
-- C++ modules
['xml.core' ] = {
sources = {
'src/bind/dub/dub.cpp',
'src/bind/xml_core.cpp',
'src/bind/xml_Parser.cpp',
'src/Parser.cpp',
},
incdirs = {'include', 'src/bind', 'src/vendor'},
*libraries = {'stdc++'},*
},
},
}
Thanks a lot !
Gaspard
On Fri, Jan 24, 2014 at 9:25 PM, Thijs Schreijer <th...@thijsschreijer.nl>wrote:
>
> > -----Original Message-----
> > From: Gaspard Bucher [mailto:gasp...@teti.ch]
> > Sent: vrijdag 24 januari 2014 19:03
> > To: luarocks-developers@lists.sourceforge.net
> > Subject: [Luarocks-developers] loading rock with luajit: Symbol not found
> >
> > Hi there,
> >
> > I am working on releasing a library as a rock with 'builtin' format (see
> > rockspec file below). The rock builds and installs fine but when I try to
> > load it with luajit I get 'Symbol not found'
> >
> > gaspard@ihm:~/git/lubyk/modules/dub$ lua Lua 5.1 Copyright (C)
> 1994-2006
> > Lua.org, PUC-Rio
> > > core = require 'xml.core'
> > > ^D
> > gaspard@ihm:~/git/lubyk/modules/dub$ luajit LuaJIT 2.0.1 -- Copyright
> (C)
> > 2005-2013 Mike Pall. http://luajit.org/
> > JIT: ON CMOV SSE2 SSE3 SSE4.1 fold cse dce fwd dse narrow loop abc sink
> fuse
> > > core = require 'xml.core'
> > error loading module 'xml.core' from file
> > '/usr/local/lib/lua/5.1/xml/core.so':
> > dlopen(/usr/local/lib/lua/5.1/xml/core.so, 6): Symbol not found:
> > __ZNKSs5c_strEv
> > Referenced from: /usr/local/lib/lua/5.1/xml/core.so
> > Expected in: dynamic lookup
> >
> >
> > Any idea on what I missed ?
> >
> > Cheers,
> > Gaspard
>
> I'm no expert on this at all, but I recently had a similar problem with a
> makefile. I read somewhere about toolchain issues and tried another linker,
> which resolved my issue.
>
> This is the issue;
> https://github.com/Tieske/rpi-gpio/issues/1#issuecomment-32758567
> This is the fix;
> https://github.com/Tieske/rpi-gpio/commit/31dad2a745c875edd67eab73dc19ba6af2cd61f8
>
> Hth
> Thijs
>
>
>
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--
Gaspard
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