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Caml Foreign is a Caml library to access C and C++ functions without writing C wrapping code. Instead, you write OCaml wrapping code. There is some functionality to cope with C++ classes : dynamic casting, constructors, destructors, methods.

At the moment it is Linux-only, gcc-only, and experimental. It is lightly tested. Also, it is mostly undocumented.

Get the code using darcs :

 darcs get https://forge.ocamlcore.org/anonscm/darcs/caml-foreign/caml-foreign

You can send patches using

darcs send
# (sends to caml-foreign-devel@lists.forge.ocamlcore.org by default)

Build dependences:

  • g++-4.4 (g++-4.5 does not work)
  • libffi-dev
  • ocamlfind (for installation)

Building and installing using GNU Make:

# compile the library
make -f Makefile.lib
# compile and run the tests
make -f Makefile.lib test
# install the library (uses ocamlfind)
make -f Makefile.lib install
# install the library to directory DIR
make -f Makefile.lib rawinstall OCAML_LIB_INSTALL=$DIR

Caml-foreign is based on libffi.


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