diff --git a/llvmpy/include/llvm_binding/extra.h b/llvmpy/include/llvm_binding/extra.h
index 49ac261..161c52e 100644
--- a/llvmpy/include/llvm_binding/extra.h
+++ b/llvmpy/include/llvm_binding/extra.h
@@ -70,7 +70,7 @@ namespace extra{
 static
 PyObject* callwrite(PyObject* self, PyObject* arg)
 {
-    char meth[] = "method";
+    char meth[] = "write";
     char fmt[] = "O";
     return PyObject_CallMethod(self, meth, fmt, arg);
 }
@@ -965,7 +965,7 @@ PyObject* llvm_sys_getHostCPUFeatures(PyObject* Features)
     }
 }
 
-
+#if LLVM_VERSION_MAJOR >= 3 && LLVM_VERSION_MINOR >= 3
 static
 PyObject* llvm_sys_isLittleEndianHost()
 {
@@ -982,4 +982,5 @@ PyObject* llvm_sys_isBigEndianHost()
         Py_RETURN_TRUE;
     else
         Py_RETURN_FALSE;
-}
\ No newline at end of file
+}
+#endif 
diff --git a/setup.py b/setup.py
index 546e77e..e94a258 100644
--- a/setup.py
+++ b/setup.py
@@ -36,6 +36,7 @@ def run_llvm_config(extra_args):
     return stdout.decode().strip()
 
 llvm_version = run_llvm_config(['--version'])
+
 print('LLVM version = %r' % llvm_version)
 
 targets_built = run_llvm_config(['--targets-built'])
@@ -62,7 +63,7 @@ def auto_intrinsic_gen(incdir):
     print("Generate intrinsic IDs")
     from tools import intrgen
 
-    if llvm_version >= (3, 3):
+    if llvm_version.startswith('3.3'):
         path = "%s/llvm/IR/Intrinsics.gen" % incdir
     else:
         path = "%s/llvm/Intrinsics.gen" % incdir