Re: Mac OS X dynamic loading and Lua5.0.2

[Peter Colson <pcolson@...>]

Fantastic! It's all working now. I'll commit these details to memory...

Thanks for your help (and others too). This is a good list for getting 
prompt, useful replies.

Regards,
Peter Colson.

On 23/03/2005, at 1:38 PM, Mike Pall wrote:

> Hi,
>
> Peter Colson wrote:
> > gcc -o lua  lua.o -L. -llua -llualib -lm -ldl -Wl,-E
> >
> > fails with OS X ld not supporting the '-E' flag.
>
> Just comment out the whole "DL= ..." line in src/Makefile for OSX.
>
> Since Lua 5.1 uses the native dynamic library functions, -ldl is
> not required. Symbols are exported by default on OSX. But do not
> use 'strip' on the executable ('strip -x' is ok, though).
>
> > > With Lua 5.1 you should use require("xyz") and put the module into 
> > > the
> > > proper path ( /usr/local/lib/lua/5.1/xyz.so ).
> >
> > Under OS X is the extension typically ',dylib' or '.so' or doesn't it
> > really matter?
>
> It doesn't matter and Lua uses '.so' for consistency with other
> POSIX machines (other ported apps do that, too).
>
> > ld: flag: -undefined dynamic_lookup can't be used with
> > MACOSX_DEPLOYMENT_TARGET environment variable set to: 10.1
>
> MACOSX_DEPLOYMENT_TARGET="10.3"
> export MACOSX_DEPLOYMENT_TARGET
> gcc -O2 -fno-common -c -o module.o module.c
> gcc -bundle -undefined dynamic_lookup -o module.so module.o
>
> Bye,
>      Mike