def _using_and_products(self, env_local):
sources = env_local.get('sources', [])
objects = [self._compile_object(s, env_local) for s in sources]
obj_files = list(chain(*[p['outputs'] for p in objects]))
program_env = env_local.derive(cobble.env.make_prepending_delta(
linksrcs = obj_files,
))
program_path = self.package.outpath(program_env, self.name)
program = cobble.product(program_env.subset(_link_keys),
outputs = [ program_path ],
rule = 'link_c_program',
inputs = obj_files,
)
symlink_path = self.package.leafpath(self.name)
symlink = {
'outputs': [ symlink_path ],
'rule': 'symlink_leaf',
'order_only': [ program_path ],
'variables': {
'symlink_target': os.path.relpath(program_path,
os.path.dirname(symlink_path)),
},
}
using = cobble.env.make_appending_delta(
__implicit__ = [self.identifier],
)
products = objects + [ program, symlink ]
return (using, products)
def _using_and_products(self, env_local):
sources = env_local.get('sources', [])
if not sources:
return (self._using_delta, [])
objects = [self._compile_object(s, env_local) for s in sources]
obj_files = list(chain(*[p['outputs'] for p in objects]))
if env_local.get('c_library_archive_products', True):
outs = [ self.package.outpath(env_local, 'lib' + self.name + '.a') ]
out_delta = [
cobble.env.subset(_archive_keys),
cobble.env.append('inputs', obj_files),
]
library = [cobble.product(env_local.derive(out_delta),
outputs = outs,
rule = 'archive_c_library',
inputs = obj_files,
)]
if env_local.get('whole_archive', False):
link_srcs = ['-Wl,-whole-archive'] + outs + ['-Wl,-no-whole-archive']
else:
link_srcs = outs
else:
outs = obj_files
link_srcs = obj_files
library = []
using = list(chain(self._using_delta, cobble.env.make_appending_delta(
__implicit__ = outs,
link_srcs = link_srcs,
)))
products = objects + library
return (using, products)
def _compile_object(self, source, env):
ext = os.path.splitext(source)[1]
rule, keys = self._file_type_map[ext]
keys = _compile_keys | frozenset(keys)
o_env = env.derive(chain(self._deps_delta(env),
[ cobble.env.subset(keys) ]))
return cobble.product(o_env,
outputs = [ self.package.outpath(o_env, source + '.o') ],
rule = rule,
inputs = [ self.package.inpath(source) ],
)
