1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
import os
import inflector
from waflib.ConfigSet import ConfigSet
from waflib import Utils
__all__ = [
"check_pkg_config", "check_pkg_config_mixed", "check_pkg_config_mixed_all",
"check_pkg_config_cflags", "check_cc", "check_statement", "check_libs",
"check_headers", "compose_checks", "check_true", "any_version",
"load_fragment", "check_stub", "check_ctx_vars", "check_program",
"check_pkg_config_datadir"]
any_version = None
def even(n):
return n % 2 == 0
def __define_options__(dependency_identifier):
return inflector.define_dict(dependency_identifier)
def __merge_options__(dependency_identifier, *args):
options_accu = inflector.storage_dict(dependency_identifier)
options_accu['mandatory'] = False
[options_accu.update(arg) for arg in args if arg]
return options_accu
def _filter_cc_arguments(ctx, opts):
if ctx.env.DEST_OS != Utils.unversioned_sys_platform():
# cross compiling, remove execute=True if present
if opts.get('execute'):
opts['execute'] = False
return opts
def check_program(name, var):
def fn(ctx, dependency_identifier):
return ctx.find_program(name, var=var, mandatory=False)
return fn
def check_libs(libs, function):
libs = [None] + libs
def fn(ctx, dependency_identifier):
for lib in libs:
kwargs = lib and {'lib': lib} or {}
if function(ctx, dependency_identifier, **kwargs):
return True
return False
return fn
def check_statement(header, statement, **kw_ext):
def fn(ctx, dependency_identifier, **kw):
headers = header
if not isinstance(headers, list):
headers = [header]
hs = "\n".join(["#include <{0}>".format(h) for h in headers])
fragment = ("{0}\n"
"int main(int argc, char **argv)\n"
"{{ {1}; return 0; }}").format(hs, statement)
opts = __merge_options__(dependency_identifier,
{'fragment':fragment},
__define_options__(dependency_identifier),
kw_ext, kw)
return ctx.check_cc(**_filter_cc_arguments(ctx, opts))
return fn
def check_cc(**kw_ext):
def fn(ctx, dependency_identifier, **kw):
options = __merge_options__(dependency_identifier,
__define_options__(dependency_identifier),
kw_ext, kw)
return ctx.check_cc(**_filter_cc_arguments(ctx, options))
return fn
def check_pkg_config(*args, **kw_ext):
return _check_pkg_config([], ["--libs", "--cflags"], *args, **kw_ext)
def check_pkg_config_mixed(_dyn_libs, *args, **kw_ext):
return _check_pkg_config([_dyn_libs], ["--libs", "--cflags"], *args, **kw_ext)
def check_pkg_config_mixed_all(*all_args, **kw_ext):
args = [all_args[i] for i in [n for n in range(0, len(all_args)) if n % 3]]
return _check_pkg_config(all_args[::3], ["--libs", "--cflags"], *args, **kw_ext)
def check_pkg_config_cflags(*args, **kw_ext):
return _check_pkg_config([], ["--cflags"], *args, **kw_ext)
def check_pkg_config_datadir(*args, **kw_ext):
return _check_pkg_config([], ["--variable=pkgdatadir"], *args, **kw_ext)
def _check_pkg_config(_dyn_libs, _pkgc_args, *args, **kw_ext):
def fn(ctx, dependency_identifier, **kw):
argsl = list(args)
packages = args[::2]
verchecks = args[1::2]
sargs = []
pkgc_args = _pkgc_args
dyn_libs = {}
for i in range(0, len(packages)):
if i < len(verchecks):
sargs.append(packages[i] + ' ' + verchecks[i])
else:
sargs.append(packages[i])
if _dyn_libs and _dyn_libs[i]:
dyn_libs[packages[i]] = _dyn_libs[i]
if ctx.dependency_satisfied('static-build') and not dyn_libs:
pkgc_args += ["--static"]
defaults = {
'path': ctx.env.PKG_CONFIG,
'package': " ".join(packages),
'args': sargs + pkgc_args }
opts = __merge_options__(dependency_identifier, defaults, kw_ext, kw)
# Warning! Megahack incoming: when parsing flags in `parse_flags` waf
# uses append_unique. This appends the flags only if they aren't
# already present in the list. This causes breakage if one checks for
# multiple pkg-config packages in a single call as stuff like -lm is
# added only at its first occurrence.
original_append_unique = ConfigSet.append_unique
ConfigSet.append_unique = ConfigSet.append_value
result = ctx.check_cfg(**opts)
ConfigSet.append_unique = original_append_unique
defkey = inflector.define_key(dependency_identifier)
if result:
ctx.define(defkey, 1)
for x in dyn_libs.keys():
ctx.env['LIB_'+x] += dyn_libs[x]
else:
ctx.add_optional_message(dependency_identifier,
"'{0}' not found".format(" ".join(sargs)))
ctx.undefine(defkey)
return result
return fn
def check_headers(*headers, **kw_ext):
def undef_others(ctx, headers, found):
not_found_hs = set(headers) - set([found])
for not_found_h in not_found_hs:
ctx.undefine(inflector.define_key(not_found_h))
def fn(ctx, dependency_identifier):
for header in headers:
defaults = {'header_name': header, 'features': 'c cprogram'}
options = __merge_options__(dependency_identifier, defaults, kw_ext)
if ctx.check(**options):
undef_others(ctx, headers, header)
ctx.define(inflector.define_key(dependency_identifier), 1)
return True
undef_others(ctx, headers, None)
return False
return fn
def check_true(ctx, dependency_identifier):
ctx.define(inflector.define_key(dependency_identifier), 1)
return True
def check_ctx_vars(*variables):
def fn(ctx, dependency_identifier):
missing = []
for variable in variables:
if variable not in ctx.env:
missing.append(variable)
if any(missing):
ctx.add_optional_message(dependency_identifier,
'missing {0}'.format(', '.join(missing)))
return False
else:
return True
return fn
def check_stub(ctx, dependency_identifier):
ctx.undefine(inflector.define_key(dependency_identifier))
return False
def compose_checks(*checks):
def fn(ctx, dependency_identifier):
return all([check(ctx, dependency_identifier) for check in checks])
return fn
def load_fragment(fragment):
file_path = os.path.join(os.path.dirname(__file__), '..', 'fragments',
fragment)
fp = open(file_path,"r")
fragment_code = fp.read()
fp.close()
return fragment_code
|
