def fix_annoying_dependency_cycle(module_names, target_module, version):
""" merge all bru & gyp files together, making module_names[0] the
merge target """
print('merging dependency cycle:', module_names, 'into', target_module)
library = get_library()
formulas = list(map(
lambda module_name: library.load_formula(module_name, version),
module_names))
gyps = list(map(
lambda formula: library.load_gyp(formula),
formulas))
# Merge the *.bru files.
# Replace each source formula with a formula that has only a single
# dependency to the merged formula, and with no tar.gz urls:
target_formula = copy.deepcopy(formulas[0])
target_formula['module'] = target_module
target_formula['url'] = []
for merge_source in formulas:
if not isinstance(merge_source['url'], list):
merge_source['url'] = [ merge_source['url'] ]
merge_key(merge_source, target_formula, 'url')
merge_key(merge_source, target_formula, 'dependencies')
merge_source['url'] = []
merge_source['dependencies'] = { target_module: version }
bru.save_formula(merge_source)
#xxx TODO: remove deps to merge_sources from target_formula
bru.save_formula(target_formula)
# Merge the *.gyp files.
# Replace the original gyp files with one that depends on the merged
# dependency only, and forwards all its settings via
# gyp's export_dependent_settings.
target_gyp = copy.deepcopy(gyps[0])
merged_target = target_gyp['targets'][0]
merged_target['target_name'] = target_module
merged_target['include_dirs'] = []
merged_target['sources'] = []
merge_dep = '../{}/{}.gyp:*'.format(
target_module, target_module)
for i in range(len(gyps)):
formula = formulas[i]
gyp = gyps[i]
targets = gyp['targets']
assert len(targets) == 1
source = targets[0]
for key in ['all_dependent_settings', 'direct_dependent_settings',
'include_dirs', 'sources']:
if key in source:
merge_key(source, merged_target, key)
del source[key]
source['dependencies'] = [ merge_dep ]
source['export_dependent_settings'] = [ merge_dep ]
bru.save_gyp(formula, gyp)
#xxx TODO: remove deps to merge_sources from target_gyp
bru.save_gyp(target_formula, target_gyp)
def fix_annoying_dependency_cycle(module_names, target_module, version):
""" merge all bru & gyp files together, making module_names[0] the
merge target """
print('merging dependency cycle:', module_names, 'into', target_module)
library = get_library()
formulas = list(
map(lambda module_name: library.load_formula(module_name, version),
module_names))
gyps = list(map(lambda formula: library.load_gyp(formula), formulas))
# Merge the *.bru files.
# Replace each source formula with a formula that has only a single
# dependency to the merged formula, and with no tar.gz urls:
target_formula = copy.deepcopy(formulas[0])
target_formula['module'] = target_module
target_formula['url'] = []
for merge_source in formulas:
if not isinstance(merge_source['url'], list):
merge_source['url'] = [merge_source['url']]
merge_key(merge_source, target_formula, 'url')
merge_key(merge_source, target_formula, 'dependencies')
merge_source['url'] = []
merge_source['dependencies'] = {target_module: version}
bru.save_formula(merge_source)
#xxx TODO: remove deps to merge_sources from target_formula
bru.save_formula(target_formula)
# Merge the *.gyp files.
# Replace the original gyp files with one that depends on the merged
# dependency only, and forwards all its settings via
# gyp's export_dependent_settings.
target_gyp = copy.deepcopy(gyps[0])
merged_target = target_gyp['targets'][0]
merged_target['target_name'] = target_module
merged_target['include_dirs'] = []
merged_target['sources'] = []
merge_dep = '../{}/{}.gyp:*'.format(target_module, target_module)
for i in range(len(gyps)):
formula = formulas[i]
gyp = gyps[i]
targets = gyp['targets']
assert len(targets) == 1
source = targets[0]
for key in [
'all_dependent_settings', 'direct_dependent_settings',
'include_dirs', 'sources'
]:
if key in source:
merge_key(source, merged_target, key)
del source[key]
source['dependencies'] = [merge_dep]
source['export_dependent_settings'] = [merge_dep]
bru.save_gyp(formula, gyp)
#xxx TODO: remove deps to merge_sources from target_gyp
bru.save_gyp(target_formula, target_gyp)
def import_boost(boost_lib, version):
""" param boost_lib like "asio", version like "1.57.0" """
assert re.match("[a-z0-9_]+", boost_lib)
bru_module_name = "boost-" + boost_lib
tar_url = "https://github.com/boostorg/" + boost_lib + "/archive/boost-" + version + ".tar.gz"
bru_modules = "./bru_modules"
bru.unpack_dependency(bru_modules, bru_module_name,
version, tar_url)
# now that the modularized boost dep was unpacked in ./bru_modules,
# so lets inspect it:
# this here is the dir the tar was extracted into:
tar_root_dir = os.path.join(bru_modules, bru_module_name, version)
# this is one level below the tar_root_dir, it's the dir which should
# have an ./include dir.
tar_content_dir = os.path.join(tar_root_dir, boost_lib + "-boost-" + version)
assert os.path.exists(tar_content_dir)
assert os.path.exists(os.path.join(tar_content_dir, "include"))
print("downloaded " + boost_lib + " to " + tar_content_dir)
formula = OrderedDict([
("homepage", "http://www.boost.org/"),
("url", "https://github.com/boostorg/{}/archive/boost-{}.tar.gz"\
.format(boost_lib, version)),
("module", bru_module_name),
("version", version),
])
# some boost libs have a src dir (e.g. boost-regex), but most don't. The
# gyp target will need to know if the lib is #include-only or not:
include_dir = os.path.join(tar_content_dir, "include")
src_dir = os.path.join(tar_content_dir, "src")
assert os.path.exists(include_dir)
has_src_dir = os.path.exists(src_dir)
def get_dir_relative_to_gyp(path):
return os.path.relpath(path, start=os.path.dirname(tar_root_dir))
gyp_target =\
OrderedDict([
('target_name', bru_module_name),
('type', 'static_library' if has_src_dir else 'none'),
('include_dirs', [ get_dir_relative_to_gyp(include_dir) ]),
# I wish I could use direct_dependent_settings here, but I cannot:
('all_dependent_settings', {
'include_dirs' : [ get_dir_relative_to_gyp(include_dir) ]
})
])
if has_src_dir:
gyp_target['sources'] = [
os.path.join(get_dir_relative_to_gyp(src_dir), "*.cpp") ]
def has_subdirs(dir):
for file in os.listdir(dir):
if os.path.isdir(os.path.join(dir, file)):
return True
return False
# src_dir should be flat, otherwise we'd have to use a different
# 'sources' expression in the gyp file. One boost dir that violates
# this is boost.context, with an asm subdir
libs_with_known_src_subdirs = [
'context', # asm subdir
'coroutine', # posix and windows subdirs
'date_time', # posix_time
'locale',
'math',
'mpi',
'python',
'thread',
'wave',
]
assert not has_subdirs(src_dir) or boost_lib in libs_with_known_src_subdirs
gyp = { "targets": [ gyp_target ] }
# here we could in theory also determine deps between boost modules
# automatically by finding #include statements in cpp and hpp files, and
# by searching all local boost_modules for which boost module provides
# each #include. But let's rather have a more general tool do that for
# arbitrary libraries, not just for boost.
# See scan_deps.py for that tool.
library_root = "./library"
if not os.path.isdir(library_root):
raise Exception("expected to run script in repo root with " + libary_root + " dir")
if not os.path.exists(os.path.join(library_root, bru_module_name)):
print('saving', bru_module_name, 'to library')
bru.save_formula(formula)
bru.save_gyp(formula, gyp)
else:
print('skipping existing module', bru_module_name)
