From 3695b486d68b78ceba993efe21fda52f44252cdd Mon Sep 17 00:00:00 2001
From: Elvis Pranskevichus <elvis@magic.io>
Date: Fri, 30 Mar 2018 20:03:12 -0400
Subject: Fix compilation errors

---
 immutables/_map.c | 18 +++++++++---------
 immutables/_map.h | 15 ++++++++-------
 setup.py          |  4 ++--
 3 files changed, 19 insertions(+), 18 deletions(-)

diff --git a/immutables/_map.c b/immutables/_map.c
index 5c8bc42..e1efe19 100644
--- a/immutables/_map.c
+++ b/immutables/_map.c
@@ -1860,7 +1860,7 @@ map_node_array_without(MapNode_Array *self,
                     continue;
                 }
 
-                bitmap |= 1 << i;
+                bitmap |= 1u << i;
 
                 if (IS_BITMAP_NODE(node)) {
                     MapNode_Bitmap *child = (MapNode_Bitmap *)node;
@@ -2188,8 +2188,8 @@ map_iterator_bitmap_next(MapIteratorState *iter,
     if (node->b_array[pos] == NULL) {
         iter->i_pos[level] = pos + 2;
 
-        int8_t next_level = level + 1;
-        assert(next_level < _Py_HAMT_MAX_TREE_DEPTH);
+        assert(level + 1 < _Py_HAMT_MAX_TREE_DEPTH);
+        int8_t next_level = (int8_t)(level + 1);
         iter->i_level = next_level;
         iter->i_pos[next_level] = 0;
         iter->i_nodes[next_level] = (MapNode *)
@@ -2250,8 +2250,8 @@ map_iterator_array_next(MapIteratorState *iter,
         if (node->a_array[i] != NULL) {
             iter->i_pos[level] = i + 1;
 
-            int8_t next_level = level + 1;
-            assert(next_level < _Py_HAMT_MAX_TREE_DEPTH);
+            assert((level + 1) < _Py_HAMT_MAX_TREE_DEPTH);
+            int8_t next_level = (int8_t)(level + 1);
             iter->i_pos[next_level] = 0;
             iter->i_nodes[next_level] = node->a_array[i];
             iter->i_level = next_level;
@@ -2884,7 +2884,7 @@ static PyMappingMethods Map_as_mapping = {
 };
 
 PyTypeObject _Map_Type = {
-    PyVarObject_HEAD_INIT(&PyType_Type, 0)
+    PyVarObject_HEAD_INIT(NULL, 0)
     "Map",
     sizeof(MapObject),
     .tp_methods = Map_methods,
@@ -2907,7 +2907,7 @@ PyTypeObject _Map_Type = {
 
 
 PyTypeObject _Map_ArrayNode_Type = {
-    PyVarObject_HEAD_INIT(&PyType_Type, 0)
+    PyVarObject_HEAD_INIT(NULL, 0)
     "map_array_node",
     sizeof(MapNode_Array),
     0,
@@ -2920,7 +2920,7 @@ PyTypeObject _Map_ArrayNode_Type = {
 };
 
 PyTypeObject _Map_BitmapNode_Type = {
-    PyVarObject_HEAD_INIT(&PyType_Type, 0)
+    PyVarObject_HEAD_INIT(NULL, 0)
     "map_bitmap_node",
     sizeof(MapNode_Bitmap) - sizeof(PyObject *),
     sizeof(PyObject *),
@@ -2933,7 +2933,7 @@ PyTypeObject _Map_BitmapNode_Type = {
 };
 
 PyTypeObject _Map_CollisionNode_Type = {
-    PyVarObject_HEAD_INIT(&PyType_Type, 0)
+    PyVarObject_HEAD_INIT(NULL, 0)
     "map_collision_node",
     sizeof(MapNode_Collision) - sizeof(PyObject *),
     sizeof(PyObject *),
diff --git a/immutables/_map.h b/immutables/_map.h
index 20999d7..41cfa13 100644
--- a/immutables/_map.h
+++ b/immutables/_map.h
@@ -1,6 +1,7 @@
 #ifndef IMMUTABLES_MAP_H
 #define IMMUTABLES_MAP_H
 
+#include <stdint.h>
 #include "Python.h"
 
 #define _Py_HAMT_MAX_TREE_DEPTH 7
@@ -59,13 +60,13 @@ typedef struct {
 } MapIterator;
 
 
-PyAPI_DATA(PyTypeObject) _Map_Type;
-PyAPI_DATA(PyTypeObject) _Map_ArrayNode_Type;
-PyAPI_DATA(PyTypeObject) _Map_BitmapNode_Type;
-PyAPI_DATA(PyTypeObject) _Map_CollisionNode_Type;
-PyAPI_DATA(PyTypeObject) _MapKeys_Type;
-PyAPI_DATA(PyTypeObject) _MapValues_Type;
-PyAPI_DATA(PyTypeObject) _MapItems_Type;
+PyTypeObject _Map_Type;
+PyTypeObject _Map_ArrayNode_Type;
+PyTypeObject _Map_BitmapNode_Type;
+PyTypeObject _Map_CollisionNode_Type;
+PyTypeObject _MapKeys_Type;
+PyTypeObject _MapValues_Type;
+PyTypeObject _MapItems_Type;
 
 
 #endif
diff --git a/setup.py b/setup.py
index ebf884b..b32ab17 100644
--- a/setup.py
+++ b/setup.py
@@ -5,9 +5,9 @@ import setuptools
 VERSION = '0.1'
 
 CFLAGS = ['-O2']
-
 if platform.uname().system != 'Windows':
-    CFLAGS.extend(['-fsigned-char', '-Wall', '-Wsign-compare', '-Wconversion'])
+    CFLAGS.extend(['-std=c99', '-fsigned-char', '-Wall',
+                   '-Wsign-compare', '-Wconversion'])
 
 
 setuptools.setup(
-- 
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