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With much mucking around I've managed to gen a copy of the app with
exported symbols and running against that (without the duplicate
runtime) totally works!

thanks for you help~


On Sun, Jul 15, 2012 at 10:25 PM, Peter Cawley <> wrote:
> On Sun, Jul 15, 2012 at 2:55 PM, Doug <> wrote:
>> Can anyone point me at a tutorial or possibly just give me some advice on
>> how to call the lua c api from a plugin?
>> I naively linked a second copy of the lua runtime in (ie. as part of the
>> .so) thinking that might work, but I've stumbled into the same issue
>> mentioned all the way back here:
>> Crashes and burns on newkey() (this is with 5.1.3, which I'm stuck with)
> You've correctly identified the issue; a lua_State* can only be used
> with the copy of the Lua runtime which created it. If you're writing a
> plugin for an application, then you'll need to talk to the authors of
> the application in question to see if they export the symbols for
> their copy of the Lua runtime.