diff -Nrup a/build/check.py b/build/check.py
--- a/build/check.py	2017-09-22 14:14:23.000000000 +0200
+++ b/build/check.py	2019-09-26 05:07:45.860454310 +0200
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python3
 #
 # check.py :  Run all the test cases.
 #
@@ -10,9 +10,9 @@
 #   to you under the Apache License, Version 2.0 (the
 #   "License"); you may not use this file except in compliance
 #   with the License.  You may obtain a copy of the License at
-# 
+#
 #     http://www.apache.org/licenses/LICENSE-2.0
-# 
+#
 #   Unless required by applicable law or agreed to in writing,
 #   software distributed under the License is distributed on an
 #   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
@@ -52,16 +52,16 @@ if __name__ == '__main__':
 
   # Find test responses and run them one by one
   for case in glob.glob(testdir + "/testcases/*.response"):
-    print "== Testing %s ==" % (case)
+    print("== Testing %s ==" % (case))
     try:
       subprocess.check_call([SERF_RESPONSE_EXE, case])
     except subprocess.CalledProcessError, x:
-      print "ERROR: test failed in '%s', exit code=%d" % (x.cmd, x.returncode)
+      print("ERROR: test failed in '%s', exit code=%d" % (x.cmd, x.returncode))
       sys.exit(1)
 
-  print "== Running the unit tests =="
+  print("== Running the unit tests ==")
   try:
     subprocess.check_call(TEST_ALL_EXE)
   except subprocess.CalledProcessError, x:
-    print "ERROR: test(s) failed in '%s', exit code=%d" % (x.cmd, x.returncode)
+    print("ERROR: test(s) failed in '%s', exit code=%d" % (x.cmd, x.returncode))
     sys.exit(1)
diff -Nrup a/SConstruct b/SConstruct
--- a/SConstruct	2017-09-22 14:14:23.000000000 +0200
+++ b/SConstruct	2019-09-26 05:06:32.230764081 +0200
@@ -20,6 +20,8 @@
 # ====================================================================
 #
 
+from __future__ import print_function
+
 import sys
 import os
 import re
@@ -182,7 +184,7 @@ env.Append(BUILDERS = {
 match = re.search('SERF_MAJOR_VERSION ([0-9]+).*'
                   'SERF_MINOR_VERSION ([0-9]+).*'
                   'SERF_PATCH_VERSION ([0-9]+)',
-                  env.File('serf.h').get_contents(),
+                  env.File('serf.h').get_contents().decode('utf-8'),
                   re.DOTALL)
 MAJOR, MINOR, PATCH = [int(x) for x in match.groups()]
 env.Append(MAJOR=str(MAJOR))
@@ -199,7 +201,7 @@ CALLOUT_OKAY = not (env.GetOption('clean
 
 unknown = opts.UnknownVariables()
 if unknown:
-  print 'Warning: Used unknown variables:', ', '.join(unknown.keys())
+  print('Warning: Used unknown variables:', ', '.join(unknown.keys()))
 
 apr = str(env['APR'])
 apu = str(env['APU'])
@@ -480,7 +482,7 @@ if brotli and CALLOUT_OKAY:
      conf.CheckFunc('BrotliDecoderTakeOutput'):
     env.Append(CPPDEFINES=['SERF_HAVE_BROTLI'])
   else:
-    print "Cannot find Brotli library >= 1.0.0 in '%s'." % env.get('BROTLI')
+    print("Cannot find Brotli library >= 1.0.0 in '%s'." % env.get('BROTLI'))
     Exit(1)
   env = conf.Finish()