Compiling Linked-in Drivers on Mac OS X

Sean Hinde Sean.Hinde@REDACTED
Fri Mar 28 09:24:45 CET 2003


> I'm trying to get the linked-in driver example in the
> Erlang documentation to compile for Mac OS X.  I'm
> using the following command for gcc-2.95.2:
> 
> gcc -o exampledrv
> -I/usr/local/lib/erlang/erts-5.2.3.3/src
> -flat_namespace -shared complex.c port_driver.c
> 
> and I get:
> 
> /usr/bin/ld: Undefined symbols:
> _main
> _driver_alloc
> _driver_free
> _driver_output
> 
> I know dynamic libraries work a little differently in
> OS X, but I'm not very experienced with them.  Any
> help would be appreciated.

There are some nice hints down at the bottom of the OS X section of the top
level README of the R9B-1 release.

Sean



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