Index: build/generator/gen_base.py
===================================================================
--- a/build/generator/gen_base.py	(revision 1900778)
+++ b/build/generator/gen_base.py	(working copy)
@@ -76,7 +76,7 @@ class GeneratorBase:
 
     # Now read and parse build.conf
     parser = configparser.ConfigParser()
-    parser.readfp(open(fname))
+    parser.read_file(open(fname))
 
     self.conf = build_path(os.path.abspath(fname))
 
Index: build/win32/make_dist.py
===================================================================
--- a/build/win32/make_dist.py	(revision 1900778)
+++ b/build/win32/make_dist.py	(working copy)
@@ -383,7 +383,7 @@ def _read_config():
 
   cfg = configparser.ConfigParser(path_defaults)
   try:
-    cfg.readfp(open(os.path.join(_scriptdir, 'make_dist.conf'), 'r'))
+    cfg.read_file(open(os.path.join(_scriptdir, 'make_dist.conf'), 'r'))
   except:
     _stderr.write('Unable to open and read make_dist.conf\n')
     _exit(1)
@@ -390,7 +390,7 @@ def _read_config():
 
   # Read the options config generated by gen-make.py
   optcfg = configparser.ConfigParser()
-  optcfg.readfp(open(os.path.join(_srcdir, 'gen-make.opts'), 'r'))
+  optcfg.read_file(open(os.path.join(_srcdir, 'gen-make.opts'), 'r'))
 
   # Move the runtime options into the DEFAULT section
   for opt in optcfg.options('options'):