def fn(ctx, dependency_identifier, **kw):
argsl = list(args)
packages = args[::2]
verchecks = args[1::2]
sargs = []
for i in range(0, len(packages)):
if i < len(verchecks):
sargs.append(packages[i] + ' ' + verchecks[i])
else:
sargs.append(packages[i])
pkgc_args = ["--libs", "--cflags"]
if ctx.dependency_satisfied('static-build'):
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 = bool(ctx.check_cfg(**opts))
ConfigSet.append_unique = original_append_unique
if not result:
defkey = DependencyInflector(dependency_identifier).define_key()
ctx.undefine(defkey)
return result
def __get_features_string__(ctx):
from inflectors import DependencyInflector
stuff = []
for dependency_identifier in ctx.satisfied_deps:
defkey = DependencyInflector(dependency_identifier).define_key()
if ctx.is_defined(defkey) and ctx.get_define(defkey) == "1":
stuff.append(dependency_identifier)
stuff.sort()
return " ".join(stuff)
def fn(ctx, dependency_identifier):
for header in headers:
defaults = {'header_name': header, 'features': 'c cprogram'}
options = __merge_options__(dependency_identifier, defaults)
if ctx.check(**options):
undef_others(ctx, headers, header)
defkey = DependencyInflector(dependency_identifier).define_key()
ctx.define(defkey, 1)
return True
undef_others(ctx, headers, None)
return False
def check(self):
self.ctx.start_msg('Checking for {0}'.format(self.desc))
try:
self.check_group_disabled()
self.check_disabled()
self.check_any_dependencies()
self.check_dependencies()
self.check_negative_dependencies()
except DependencyError:
# No check was run, since the prerequisites of the dependency are
# not satisfied. Make sure the define is 'undefined' so that we
# get a `#define YYY 0` in `config.h`.
def_key = DependencyInflector(self.identifier).define_key()
self.ctx.undefine(def_key)
self.fatal_if_needed()
return
self.check_autodetect_func()
def __merge_options__(dependency_identifier, *args):
options_accu = DependencyInflector(dependency_identifier).storage_dict()
options_accu['mandatory'] = False
[options_accu.update(arg) for arg in args if arg]
return options_accu
def dependencies_use(ctx):
return [DependencyInflector(dep).storage_key() for \
dep in ctx.env.satisfied_deps]
def __merge_options__(dependency_identifier, *args):
options_accu = DependencyInflector(dependency_identifier).storage_dict()
options_accu['mandatory'] = False
[options_accu.update(arg) for arg in args if arg]
return options_accu
def __define_options__(dependency_identifier):
return DependencyInflector(dependency_identifier).define_dict()
def check_stub(ctx, dependency_identifier):
defkey = DependencyInflector(dependency_identifier).define_key()
ctx.undefine(defkey)
return False
def check_true(ctx, dependency_identifier):
defkey = DependencyInflector(dependency_identifier).define_key()
ctx.define(defkey, 1)
return True
def undef_others(ctx, headers, found):
not_found_hs = set(headers) - set([found])
for not_found_h in not_found_hs:
defkey = DependencyInflector(not_found_h).define_key()
ctx.undefine(defkey)
