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#!/usr/bin/env python3
import os
import re
import sys
comment = re.compile('^\s*#')
assign = re.compile('^\s*([a-zA-Z_]+)\s*(\?)?=\s*([^#]*)')
args = os.environ.copy()
for arg in sys.argv:
m = assign.match(arg)
if m:
var = m.group(1).strip()
val = m.group(3).strip()
args[var] = val
defs = {}
try:
with open("mk/config.mk") as f:
for line in f:
line = line.strip()
if not comment.match(line):
m = assign.match(line)
if m:
var = m.group(1).strip()
default = m.group(3).strip()
val = default
if var in args:
val = args[var]
if default.lower() == 'y' or default.lower() == 'n':
if val.lower() == 'y':
defs["SPDK_{0}".format(var)] = 1
else:
defs["SPDK_{0}".format(var)] = 0
else:
strval = val.replace('"', '\"')
defs["SPDK_{0}".format(var)] = strval
except IOError:
print("mk/config.mk not found")
for key, value in sorted(defs.items()):
if value == 0:
print("#undef {0}".format(key))
else:
print("#define {0} {1}".format(key, value))
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