[LLVMdev] Linking with C Library

Nick Lewycky nicholas at mxc.ca
Mon Apr 5 22:09:57 PDT 2010

Nyx wrote:
>>> Ok, you've passed my expertise. Maybe you have to link with -lc?
> Hopefully one of the ocaml experts will chime in.
> I figured out what was wrong. LLVM needs to be compiled with --enable-libffi
> for the external symbol resolution to work properly. This is unfortunately
> not mentioned in the OCaml version of the LLVM Kaleidoscope tutorials!

If that fixed your problem then you aren't using the JIT. 
--enable-libffi only affects the (very slow and unmaintained) interpreter.

You may want to focus on why you're failing to correctly initialize the 
JIT. Are you calling InitializeNativeTarget()?


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