quiet various warnings, also disable -Wdouble-promotion with cmake since it gives warnings with variable length args.

source/blender/python/intern/bpy_rna.h

@@ -64,6 +64,7 @@
 #endif
 /* --- end bpy build options --- */
 
+struct ID;
 
 extern PyTypeObject pyrna_struct_meta_idprop_Type;
 extern PyTypeObject pyrna_struct_Type;
@@ -192,4 +193,6 @@ void BPY_modules_update(struct bContext *C); //XXX temp solution
 extern PyMethodDef meth_bpy_register_class;
 extern PyMethodDef meth_bpy_unregister_class;
 
+void BPY_id_release(struct ID *id);
+
 #endif

source/blender/python/intern/bpy_rna_anim.c

@@ -46,6 +46,7 @@
 
 #include "bpy_rna.h"
 #include "bpy_util.h"
+#include "bpy_rna_anim.h"
 
 #define TRUE 1
 #define FALSE 0