mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-11 16:32:59 +00:00
112 lines
3.5 KiB
Python
Executable File
112 lines
3.5 KiB
Python
Executable File
#!/usr/bin/env python
|
|
#
|
|
# This script is run during configure, taking variables set in configure
|
|
# and producing a JSON file that describes some portions of the build
|
|
# configuration, such as the target OS and CPU.
|
|
#
|
|
# The output file is intended to be used as input to the mozinfo package.
|
|
from __future__ import with_statement
|
|
import os, re, sys
|
|
|
|
def build_dict(env=os.environ):
|
|
"""
|
|
Build a dict containing data about the build configuration from
|
|
the environment.
|
|
"""
|
|
d = {}
|
|
# Check that all required variables are present first.
|
|
required = ["TARGET_CPU", "OS_TARGET", "MOZ_WIDGET_TOOLKIT"]
|
|
missing = [r for r in required if r not in env]
|
|
if missing:
|
|
raise Exception("Missing required environment variables: %s" %
|
|
', '.join(missing))
|
|
# os
|
|
o = env["OS_TARGET"]
|
|
known_os = {"Linux": "linux",
|
|
"WINNT": "win",
|
|
"Darwin": "mac",
|
|
"Android": "android"}
|
|
if o in known_os:
|
|
d["os"] = known_os[o]
|
|
else:
|
|
# Allow unknown values, just lowercase them.
|
|
d["os"] = o.lower()
|
|
|
|
# Widget toolkit, just pass the value directly through.
|
|
d["toolkit"] = env["MOZ_WIDGET_TOOLKIT"]
|
|
|
|
# processor
|
|
p = env["TARGET_CPU"]
|
|
# for universal mac builds, put in a special value
|
|
if d["os"] == "mac" and "UNIVERSAL_BINARY" in env and env["UNIVERSAL_BINARY"] == "1":
|
|
p = "universal-x86-x86_64"
|
|
else:
|
|
# do some slight massaging for some values
|
|
#TODO: retain specific values in case someone wants them?
|
|
if p.startswith("arm"):
|
|
p = "arm"
|
|
elif re.match("i[3-9]86", p):
|
|
p = "x86"
|
|
d["processor"] = p
|
|
# hardcoded list of 64-bit CPUs
|
|
if p in ["x86_64", "ppc64"]:
|
|
d["bits"] = 64
|
|
# hardcoded list of known 32-bit CPUs
|
|
elif p in ["x86", "arm", "ppc"]:
|
|
d["bits"] = 32
|
|
# other CPUs will wind up with unknown bits
|
|
|
|
# debug
|
|
d["debug"] = 'MOZ_DEBUG' in env and env['MOZ_DEBUG'] == '1'
|
|
|
|
# crashreporter
|
|
d["crashreporter"] = 'MOZ_CRASHREPORTER' in env and env['MOZ_CRASHREPORTER'] == '1'
|
|
return d
|
|
|
|
#TODO: replace this with the json module when Python >= 2.6 is a requirement.
|
|
class JsonValue:
|
|
"""
|
|
A class to serialize Python values into JSON-compatible representations.
|
|
"""
|
|
def __init__(self, v):
|
|
if v is not None and not (isinstance(v,str) or isinstance(v,bool) or isinstance(v,int)):
|
|
raise Exception("Unhandled data type: %s" % type(v))
|
|
self.v = v
|
|
def __repr__(self):
|
|
if self.v is None:
|
|
return "null"
|
|
if isinstance(self.v,bool):
|
|
return str(self.v).lower()
|
|
return repr(self.v)
|
|
|
|
def jsonify(d):
|
|
"""
|
|
Return a JSON string of the dict |d|. Only handles a subset of Python
|
|
value types: bool, str, int, None.
|
|
"""
|
|
jd = {}
|
|
for k, v in d.iteritems():
|
|
jd[k] = JsonValue(v)
|
|
return repr(jd)
|
|
|
|
def write_json(file, env=os.environ):
|
|
"""
|
|
Write JSON data about the configuration specified in |env|
|
|
to |file|, which may be a filename or file-like object.
|
|
See build_dict for information about what environment variables are used,
|
|
and what keys are produced.
|
|
"""
|
|
s = jsonify(build_dict(env))
|
|
if isinstance(file, basestring):
|
|
with open(file, "w") as f:
|
|
f.write(s)
|
|
else:
|
|
file.write(s)
|
|
|
|
if __name__ == '__main__':
|
|
try:
|
|
write_json(sys.argv[1] if len(sys.argv) > 1 else sys.stdout)
|
|
except Exception, e:
|
|
print >>sys.stderr, str(e)
|
|
sys.exit(1)
|