Fixed Mac build by running builders in subprocess only on Windows

Also passing serializable SCons environment variables (env) for compatibility with debug builds (search for uses of env in make functions)
This commit is contained in:
Viktor Ferenczi 2018-07-30 23:35:35 +02:00
parent 3f01f40e91
commit 32a2c46d02

View File

@ -7,9 +7,18 @@ import subprocess
# NOTE: The multiprocessing module is not compatible with SCons due to conflict on cPickle
if sys.version_info[0] < 3:
JSON_SERIALIZABLE_TYPES = (bool, int, long, float, basestring)
else:
JSON_SERIALIZABLE_TYPES = (bool, int, float, str)
def run_in_subprocess(builder_function):
# Run in subprocess only while running the build on Windows
if sys.platform not in ('win32', 'cygwin'):
return builder_function
@functools.wraps(builder_function)
def wrapper(target, source, env):
@ -17,10 +26,6 @@ def run_in_subprocess(builder_function):
target = [node.srcnode().abspath for node in target]
source = [node.srcnode().abspath for node in source]
# Short circuit on non-Windows platforms
if os.name != 'nt':
return builder_function(target, source, None)
# Identify module
module_name = builder_function.__module__
function_name = builder_function.__name__
@ -32,14 +37,25 @@ def run_in_subprocess(builder_function):
subprocess_env = os.environ.copy()
subprocess_env['PYTHONPATH'] = os.pathsep.join([os.getcwd()] + sys.path)
# Keep only JSON serializable environment items
filtered_env = dict(
(key, value)
for key, value in env.items()
if isinstance(value, JSON_SERIALIZABLE_TYPES)
)
# Save parameters
args = (target, source, None)
args = (target, source, filtered_env)
data = dict(fn=function_name, args=args)
json_path = os.path.join(os.environ['TMP'], uuid.uuid4().hex + '.json')
with open(json_path, 'wt') as json_file:
json.dump(data, json_file, indent=2)
json_file_size = os.stat(json_path).st_size
print('Executing builder function in subprocess: '
'module_path=%r, parameter_file=%r, parameter_file_size=%r, target=%r, source=%r' % (
module_path, json_path, json_file_size, target, source))
try:
print('Executing builder function in subprocess: module_path=%r; data=%r' % (module_path, data))
exit_code = subprocess.call([sys.executable, module_path, json_path], env=subprocess_env)
finally:
try: