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# Python module containing general build functions
# for OpenVPN on Windows
import os, re, shutil
autogen = "Automatically generated by OpenVPN Windows build system"
def get_config():
kv = {}
parse_version_m4(kv, home_fn('version.m4'))
parse_settings_in(kv, mod_fn('settings.in'))
# config fixups
kv['DDKVER'] = os.path.basename(kv['DDK_PATH'])
kv['DDKVER_MAJOR'] = re.match(r'^(\d+)\.', kv['DDKVER']).groups()[0]
if 'VERSION_SUFFIX' in kv:
kv['PRODUCT_VERSION'] += kv['VERSION_SUFFIX']
return kv
def mod_fn(fn, src=__file__, real=True):
p = os.path.join(os.path.dirname(src), os.path.normpath(fn))
if real:
p = os.path.realpath(p)
return p
def home_fn(fn, real=True):
return mod_fn(os.path.join('..', fn), real=real)
def cd_home():
os.chdir(os.path.join(os.path.dirname(__file__), '..'))
def system(cmd):
print "RUN:", cmd
os.system(cmd)
def parse_version_m4(kv, version_m4):
r = re.compile(r'^define\((\w+),\[(.*)\]\)$')
f = open(version_m4)
for line in f:
line = line.rstrip()
m = re.match(r, line)
if m:
g = m.groups()
kv[g[0]] = g[1]
f.close()
def parse_settings_in(kv, settings_in):
r = re.compile(r'^!define\s+(\w+)(?:\s+"?(.*?)"?)?$')
f = open(settings_in)
for line in f:
line = line.rstrip()
m = re.match(r, line)
if m:
g = m.groups()
kv[g[0]] = g[1] or ''
f.close()
def dict_def(dict, newdefs):
ret = dict.copy()
ret.update(newdefs)
return ret
def build_autodefs(kv, autodefs_in, autodefs_out):
preprocess(kv,
in_fn=autodefs_in,
out_fn=autodefs_out,
quote_begin='@',
quote_end='@',
head_comment='/* %s */\n\n' % autogen)
def preprocess(kv, in_fn, out_fn, quote_begin=None, quote_end=None, if_prefix=None, head_comment=None):
def repfn(m):
var, = m.groups()
return kv.get(var, '')
re_macro = re_ifdef = None
if quote_begin and quote_end:
re_macro = re.compile(r'%s(\w+)%s' % (re.escape(quote_begin), re.escape(quote_end)))
if if_prefix:
re_ifdef = re.compile(r'^\s*%sifdef\s+(\w+)\b' % (re.escape(if_prefix),))
re_else = re.compile(r'^\s*%selse\b' % (re.escape(if_prefix),))
re_endif = re.compile(r'^\s*%sendif\b' % (re.escape(if_prefix),))
if_stack = []
fin = open(in_fn)
fout = open(out_fn, 'w')
if head_comment:
fout.write(head_comment)
for line in fin:
if re_ifdef:
m = re.match(re_ifdef, line)
if m:
var, = m.groups()
if_stack.append(int(var in kv))
continue
elif re.match(re_else, line):
if_stack[-1] ^= 1
continue
elif re.match(re_endif, line):
if_stack.pop()
continue
if not if_stack or min(if_stack):
if re_macro:
line = re.sub(re_macro, repfn, line)
fout.write(line)
assert not if_stack
fin.close()
fout.close()
def print_key_values(kv):
for k, v in sorted(kv.items()):
print "%s%s%s" % (k, ' '*(32-len(k)), repr(v))
def get_sources(makefile_am):
c = set()
h = set()
f = open(makefile_am)
state = False
for line in f:
line = line.rstrip()
if line == 'openvpn_SOURCES = \\':
state = True
elif not line:
state = False
elif state:
for sf in line.split():
if sf.endswith('.c'):
c.add(sf[:-2])
elif sf.endswith('.h'):
h.add(sf[:-2])
elif sf == '\\':
pass
else:
print >>sys.stderr, "Unrecognized filename:", sf
f.close()
return [ sorted(list(s)) for s in (c, h) ]
def output_mak_list(title, srclist, ext):
ret = "%s =" % (title,)
for x in srclist:
ret += " \\\n\t%s.%s" % (x, ext)
ret += '\n\n'
return ret
def make_headers_objs(makefile_am):
c, h = get_sources(makefile_am)
ret = output_mak_list('HEADERS', h, 'h')
ret += output_mak_list('OBJS', c, 'obj')
return ret
def choose_arch(arch_name):
if arch_name == 'x64':
return (True,)
elif arch_name == 'x86':
return (False,)
elif arch_name == 'all':
return (True, False)
else:
raise ValueError("architecture ('%s') must be x86, x64, or all" % (arch_name,))
def rm_rf(dir):
print "REMOVE", dir
shutil.rmtree(dir, ignore_errors=True)
def mkdir(dir):
print "MKDIR", dir
os.mkdir(dir)
def cp_a(src, dest, dest_is_dir=True):
if dest_is_dir:
dest = os.path.join(dest, os.path.basename(src))
print "COPY_DIR %s %s" % (src, dest)
shutil.copytree(src, dest)
def cp(src, dest, dest_is_dir=True):
if dest_is_dir:
dest = os.path.join(dest, os.path.basename(src))
print "COPY %s %s" % (src, dest)
shutil.copyfile(src, dest)
config = get_config()
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