1diff --git a/SConstruct b/SConstruct
2index 4358a23..6ce7776 100644
3--- a/SConstruct
4+++ b/SConstruct
5@@ -55,7 +55,7 @@ def RawListVariable(key, help, default):
6 # To be used to ensure a PREFIX directory is only created when installing.
7 def createPathIsDirCreateWithTarget(target):
8 def my_validator(key, val, env):
9- build_targets = (map(str, BUILD_TARGETS))
10+ build_targets = (list(map(str, BUILD_TARGETS)))
11 if target in build_targets:
12 return PathVariable.PathIsDirCreate(key, val, env)
13 else:
14@@ -155,6 +155,7 @@ if sys.platform == 'win32':
15 env = Environment(variables=opts,
16 tools=('default', 'textfile',),
17 CPPPATH=['.', ],
18+ ENV=os.environ,
19 )
20
21 env.Append(BUILDERS = {
22@@ -163,9 +164,9 @@ env.Append(BUILDERS = {
23 suffix='.def', src_suffix='.h')
24 })
25
26-match = re.search('SERF_MAJOR_VERSION ([0-9]+).*'
27- 'SERF_MINOR_VERSION ([0-9]+).*'
28- 'SERF_PATCH_VERSION ([0-9]+)',
29+match = re.search(b'SERF_MAJOR_VERSION ([0-9]+).*'
30+ b'SERF_MINOR_VERSION ([0-9]+).*'
31+ b'SERF_PATCH_VERSION ([0-9]+)',
32 env.File('serf.h').get_contents(),
33 re.DOTALL)
34 MAJOR, MINOR, PATCH = [int(x) for x in match.groups()]
35@@ -183,7 +184,7 @@ CALLOUT_OKAY = not (env.GetOption('clean') or env.GetOption('help'))
36
37 unknown = opts.UnknownVariables()
38 if unknown:
39- print 'Warning: Used unknown variables:', ', '.join(unknown.keys())
40+ print('Warning: Used unknown variables:', ', '.join(list(unknown.keys())))
41
42 apr = str(env['APR'])
43 apu = str(env['APU'])