It compiles! It also segfaults when tested! :D

llvm/_core.c

@@ -32,6 +32,11 @@
 #include "wrap.h"
 #include "extra.h"
 
+/* Project-wide setting */
+#if (PY_MAJOR_VERSION >= 3) 
+#define LLVM_PY_USE_PYCAPSULE
+#endif
+
 // Python include
 #include "Python.h"
 
@@ -1027,12 +1032,10 @@ _wLLVMRemoveModule2(PyObject *self, PyObject *args)
 
 #ifdef LLVM_PY_USE_PYCAPSULE
     ee = (LLVMExecutionEngineRef) PyCapsule_GetPointer(obj_ee, NULL);
-    fn = (LLVMValueRef) PyCapsule_GetPointer(obj_fn, NULL);
+    mod = (LLVMValueRef) PyCapsule_GetPointer(obj_mod, NULL);
-#error "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ Using capsule"
 #else
     ee = (LLVMExecutionEngineRef) PyCObject_AsVoidPtr(obj_ee);
     mod = (LLVMModuleRef) PyCObject_AsVoidPtr(obj_mod);
-#error "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ Using pycobject"
 #endif
 
     LLVMRemoveModule(ee, mod, &mod_new, &outmsg);
@@ -1749,11 +1752,37 @@ static PyMethodDef core_methods[] = {
     { NULL }
 };
 
+// Module main function, hairy because of py3k port
+
+#if (PY_MAJOR_VERSION >= 3)
+struct PyModuleDef module_def = {
+    PyModuleDef_HEAD_INIT,
+    "_core",
+    NULL,
+    -1,
+    core_methods,
+    NULL, NULL, NULL, NULL
+};
+#define INITERROR return NULL
+PyObject *
+PyInit__core(void)
+#else
+#define INITERROR return
 PyMODINIT_FUNC
 init_core(void)
+#endif
 {
     LLVMLinkInJIT();
     LLVMLinkInInterpreter();
     LLVMInitializeNativeTarget();
-    Py_InitModule("_core", core_methods);
+#if PY_MAJOR_VERSION >= 3
+    PyObject *module = PyModule_Create( &module_def );
+#else
+    PyObject *module = Py_InitModule("_core", core_methods);
+#endif
+    if (module == NULL)
+        INITERROR;
+#if PY_MAJOR_VERSION >= 3
+    return module;
+#endif
 }

llvm/extra.cpp

@@ -28,6 +28,11 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+/* Project-wide setting */
+#if (PY_MAJOR_VERSION >= 3) 
+#define LLVM_PY_USE_PYCAPSULE
+#endif
+
 /**
  * These are some "extra" functions not available in the standard LLVM-C
  * bindings, but are required / good-to-have inorder to implement the

llvm/extra.h

@@ -37,6 +37,11 @@
 #ifndef LLVM_PY_EXTRA_H
 #define LLVM_PY_EXTRA_H
 
+/* Project-wide setting */
+#if (PY_MAJOR_VERSION >= 3) 
+#define LLVM_PY_USE_PYCAPSULE
+#endif
+
 #ifdef __cplusplus
 extern "C" {
 #endif

llvm/wrap.c

@@ -30,22 +30,36 @@
 
 #include "wrap.h"
 
+/* Project-wide setting */
+#if (PY_MAJOR_VERSION >= 3) 
+#define LLVM_PY_USE_PYCAPSULE
+#endif
+
 /*===----------------------------------------------------------------------===*/
 /* Helper functions/macros                                                    */
 /*===----------------------------------------------------------------------===*/
 
+#ifdef LLVM_PY_USE_PYCAPSULE 
+
 #define _define_std_ctor(typ)                   \
 PyObject * ctor_ ## typ ( typ p)                \
 {                                               \
     if (p)                                      \
-#ifdef LLVM_PY_USE_PYCAPSULE                    \
         return PyCapsule_New(p, NULL, NULL);    \
-#else                                           \
-        return PyCObject_FromVoidPtr(p, NULL);  \
-#endif                                          \
     Py_RETURN_NONE;                             \
 }
 
+#else
+
+#define _define_std_ctor(typ)                   \
+PyObject * ctor_ ## typ ( typ p)                \
+{                                               \
+    if (p)                                      \
+        return PyCObject_FromVoidPtr(p, NULL);  \
+    Py_RETURN_NONE;                             \
+}
+
+#endif
 
 /*===----------------------------------------------------------------------===*/
 /* Type ctor/dtor                                                             */

setup.py

@@ -85,10 +85,13 @@ def call_setup(llvm_config):
          'asmparser', 'linker', 'support'])
 
     std_libs    = [ 'pthread', 'm', 'stdc++' ]
+    extra_link_args = ["-fPIC"]
     if not ("openbsd" in sys.platform or "freebsd" in sys.platform):
         std_libs.append("dl")
     if "darwin" in sys.platform:
         std_libs.append("ffi")
+        extra_link_args += ['-framework', 'Python']
+        
 
     ext_core = Extension(
         'llvm._core',
@@ -101,7 +104,7 @@ def call_setup(llvm_config):
         library_dirs = [libdir],
         libraries = std_libs + libs_core,
         extra_objects = objs_core,
-        extra_link_args = ["-fPIC"])
+        extra_link_args = extra_link_args)
 
     setup(
         name='llvm-py',