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uwsgiconfig.py
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uwsgiconfig.py
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# uWSGI build system
uwsgi_version = '2.1-dev'
import os
import re
import time
uwsgi_os = os.environ.get('UWSGI_FORCE_OS', os.uname()[0])
uwsgi_os_k = re.split('[-+]', os.uname()[2])[0]
uwsgi_os_v = os.uname()[3]
uwsgi_cpu = os.uname()[4]
import sys
import subprocess
from threading import Thread, Lock
from optparse import OptionParser
try:
from queue import Queue
except ImportError:
from Queue import Queue
from distutils import sysconfig
try:
import ConfigParser
except ImportError:
import configparser as ConfigParser
PY3 = sys.version_info[0] == 3
if uwsgi_os == 'Darwin':
GCC = os.environ.get('CC', 'clang')
else:
GCC = os.environ.get('CC', sysconfig.get_config_var('CC'))
if not GCC:
GCC = 'gcc'
def get_preprocessor():
if 'clang' in GCC:
return 'clang -xc core/clang_fake.c'
return 'cpp'
CPP = os.environ.get('CPP', get_preprocessor())
try:
CPUCOUNT = int(os.environ.get('CPUCOUNT', -1))
except ValueError:
CPUCOUNT = -1
if CPUCOUNT < 1:
try:
import multiprocessing
CPUCOUNT = multiprocessing.cpu_count()
except (ImportError, NotImplementedError):
try:
CPUCOUNT = os.sysconf('SC_NPROCESSORS_ONLN')
# AttributeError means os.syconf function is not available and
# ValueError means the name passed to it is not supported
except (AttributeError, ValueError):
CPUCOUNT = 1
# force single cpu in cygwin mode
if uwsgi_os.startswith('CYGWIN'):
CPUCOUNT = 1
binary_list = []
started_at = time.time()
# this is used for reporting (at the end of the build)
# the server configuration
report = {
'kernel': False,
'execinfo': False,
'ifaddrs': False,
'locking': False,
'event': False,
'timer': False,
'filemonitor': False,
'pcre': False,
'routing': False,
'capabilities': False,
'yaml': False,
'json': False,
'ssl': False,
'xml': False,
'debug': False,
'plugin_dir': False,
'zlib': False,
'ucontext': False,
}
verbose_build = False
def print_compilation_output(default_str, verbose_str):
if verbose_build:
print(verbose_str)
elif default_str is not None:
print(default_str)
compile_queue = None
print_lock = None
thread_compilers = []
def thread_compiler(num):
while True:
(objfile, cmdline) = compile_queue.get()
if objfile:
print_lock.acquire()
print_compilation_output("[thread %d][%s] %s" % (num, GCC, objfile), "[thread %d] %s" % (num, cmdline))
print_lock.release()
ret = os.system(cmdline)
if ret != 0:
os._exit(1)
elif cmdline:
print_lock.acquire()
print(cmdline)
print_lock.release()
else:
return
def binarize(name):
return name.replace('/', '_').replace('.', '_').replace('-', '_')
def strip_prefix(prefix, string):
if string.startswith(prefix):
return string[len(prefix):]
return string
def spcall(cmd):
p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, stderr=open('uwsgibuild.log', 'w'))
if p.wait() == 0:
if sys.version_info[0] > 2:
return p.stdout.read().rstrip().decode()
return p.stdout.read().rstrip()
else:
return None
# commodity function to remove -W* duplicates
def uniq_warnings(elements):
new_elements = []
for element in elements:
if element.startswith('-W'):
if element not in new_elements:
new_elements.append(element)
else:
new_elements.append(element)
return new_elements
if uwsgi_version.endswith('-dev') and os.path.exists('%s/.git' % os.path.dirname(os.path.abspath(__file__))):
try:
uwsgi_version += '-%s' % spcall('git rev-parse --short HEAD')
except Exception:
pass
def spcall2(cmd):
p = subprocess.Popen(cmd, shell=True, stderr=subprocess.PIPE)
if p.wait() == 0:
if sys.version_info[0] > 2:
return p.stderr.read().rstrip().decode()
return p.stderr.read().rstrip()
else:
return None
def test_snippet(snippet, CFLAGS=[], LDFLAGS=[], LIBS=[]):
"""Compile a C snippet to see if features are available at build / link time."""
cflags = " ".join(CFLAGS)
ldflags = " ".join(LDFLAGS)
libs = " ".join(LIBS)
if sys.version_info[0] >= 3 or (sys.version_info[0] == 2 and sys.version_info[1] > 5):
if not isinstance(snippet, bytes):
if PY3:
snippet = bytes(snippet, sys.getdefaultencoding())
else:
snippet = bytes(snippet)
cmd = "{0} {1} -xc - {2} {3} -o /dev/null".format(GCC, cflags, ldflags, libs)
else:
cmd = " ".join([GCC, cflags, "-xc -", ldflags, libs, "-o /dev/null"])
p = subprocess.Popen(cmd, shell=True, stdin=subprocess.PIPE, stderr=subprocess.PIPE, stdout=subprocess.PIPE)
p.communicate(snippet)
return p.returncode == 0
def has_usable_ucontext():
if uwsgi_os in ('OpenBSD', 'Haiku'):
return False
if uwsgi_os.startswith('CYGWIN'):
return False
if uwsgi_os == 'Darwin' and uwsgi_os_k.startswith('8'):
return False
if uwsgi_cpu[0:3] == 'arm':
return False
# check for ucontext.h functions definitions, musl has only declarations
return test_snippet("""#include <ucontext.h>
int main()
{
ucontext_t uc;
getcontext(&uc);
return 0;
}""")
def spcall3(cmd):
p = subprocess.Popen(cmd, shell=True, stdin=open('/dev/null'), stderr=subprocess.PIPE, stdout=subprocess.PIPE)
if p.wait() == 0:
if sys.version_info[0] > 2:
return p.stderr.read().rstrip().decode()
return p.stderr.read().rstrip()
else:
return None
def add_o(x):
if x == 'uwsgi':
x = 'main'
elif x.endswith('.a') or x.endswith('.o') or x.startswith('-'):
return x
x = x + '.o'
return x
def push_print(msg):
if not compile_queue:
print(msg)
else:
compile_queue.put((None, msg))
def push_command(objfile, cmdline):
if not compile_queue:
print_compilation_output("[%s] %s" % (GCC, objfile), cmdline)
ret = os.system(cmdline)
if ret != 0:
sys.exit(1)
else:
compile_queue.put((objfile, cmdline))
def compile(cflags, last_cflags_ts, objfile, srcfile):
source_stat = os.stat(srcfile)
header_stat = os.stat('uwsgi.h')
try:
if os.environ.get('UWSGI_FORCE_REBUILD', None):
raise
if source_stat[8] >= last_cflags_ts:
raise
if header_stat[8] >= last_cflags_ts:
raise
object_stat = os.stat(objfile)
if object_stat[8] <= source_stat[8]:
raise
if object_stat[8] <= header_stat[8]:
raise
for profile in os.listdir('buildconf'):
profile_stat = os.stat('buildconf/%s' % profile)
if object_stat[8] <= profile_stat[8]:
raise
print("%s is up to date" % objfile)
return
except Exception:
pass
cmdline = "%s -c %s -o %s %s" % (GCC, cflags, objfile, srcfile)
push_command(objfile, cmdline)
def build_uwsgi(uc, print_only=False, gcll=None):
global print_lock, compile_queue, thread_compilers
if CPUCOUNT > 1:
print_lock = Lock()
compile_queue = Queue(maxsize=CPUCOUNT)
for i in range(0, CPUCOUNT):
t = Thread(target=thread_compiler, args=(i,))
t.daemon = True
t.start()
thread_compilers.append(t)
if not gcll:
gcc_list, cflags, ldflags, libs = uc.get_gcll()
else:
gcc_list, cflags, ldflags, libs = gcll
if 'UWSGI_EMBED_PLUGINS' in os.environ:
ep = uc.get('embedded_plugins')
if ep:
uc.set('embedded_plugins', ep + ',' + os.environ['UWSGI_EMBED_PLUGINS'])
else:
uc.set('embedded_plugins', os.environ['UWSGI_EMBED_PLUGINS'])
if uc.get('embedded_plugins'):
ep = uc.get('embedded_plugins').split(',')
epc = "-DUWSGI_DECLARE_EMBEDDED_PLUGINS=\""
eplc = "-DUWSGI_LOAD_EMBEDDED_PLUGINS=\""
for item in ep:
# allow name=path syntax
kv = item.split('=')
p = kv[0]
p = p.strip()
if not p or p == 'None':
continue
if p == 'ugreen':
if not report['ucontext']:
continue
epc += "UDEP(%s);" % p
eplc += "ULEP(%s);" % p
epc += "\""
eplc += "\""
cflags.append(epc)
cflags.append(eplc)
if print_only:
print(' '.join(cflags))
sys.exit(0)
if 'APPEND_CFLAGS' in os.environ:
cflags += os.environ['APPEND_CFLAGS'].split()
print("detected CPU cores: %d" % CPUCOUNT)
print("configured CFLAGS: %s" % ' '.join(cflags))
if sys.version_info[0] >= 3:
import binascii
uwsgi_cflags = binascii.b2a_hex(' '.join(cflags).encode('ascii')).decode('ascii')
else:
uwsgi_cflags = ' '.join(cflags).encode('hex')
last_cflags_ts = 0
if os.path.exists('uwsgibuild.lastcflags'):
ulc = open('uwsgibuild.lastcflags', 'r')
last_cflags = ulc.read()
ulc.close()
if uwsgi_cflags != last_cflags:
os.environ['UWSGI_FORCE_REBUILD'] = '1'
else:
last_cflags_ts = os.stat('uwsgibuild.lastcflags')[8]
ulc = open('uwsgibuild.lastcflags', 'w')
ulc.write(uwsgi_cflags)
ulc.close()
# embed uwsgi.h in the server binary. It increases the binary size, but will be very useful
# for various tricks (like cffi integration)
# if possible, the blob is compressed
if sys.version_info[0] >= 3:
uwsgi_dot_h_content = open('uwsgi.h', 'rb').read()
else:
uwsgi_dot_h_content = open('uwsgi.h').read()
if report['zlib']:
import zlib
# maximum level of compression
uwsgi_dot_h_content = zlib.compress(uwsgi_dot_h_content, 9)
if sys.version_info[0] >= 3:
import binascii
uwsgi_dot_h = binascii.b2a_hex(uwsgi_dot_h_content).decode('ascii')
else:
uwsgi_dot_h = uwsgi_dot_h_content.encode('hex')
open('core/dot_h.c', 'w').write('char *uwsgi_dot_h = "%s";\n' % uwsgi_dot_h)
gcc_list.append('core/dot_h')
# embed uwsgiconfig.py in the server binary. It increases the binary size, but will be very useful
# if possible, the blob is compressed
if sys.version_info[0] >= 3:
uwsgi_config_py_content = open('uwsgiconfig.py', 'rb').read()
else:
uwsgi_config_py_content = open('uwsgiconfig.py').read()
if report['zlib']:
import zlib
# maximum level of compression
uwsgi_config_py_content = zlib.compress(uwsgi_config_py_content, 9)
if sys.version_info[0] >= 3:
import binascii
uwsgi_config_py = binascii.b2a_hex(uwsgi_config_py_content).decode('ascii')
else:
uwsgi_config_py = uwsgi_config_py_content.encode('hex')
open('core/config_py.c', 'w').write('char *uwsgi_config_py = "%s";\n' % uwsgi_config_py)
gcc_list.append('core/config_py')
additional_sources = os.environ.get('UWSGI_ADDITIONAL_SOURCES')
if not additional_sources:
additional_sources = uc.get('additional_sources')
if additional_sources:
for item in additional_sources.split(','):
gcc_list.append(item)
if uc.filename.endswith('coverity.ini'):
cflags.append('-DUWSGI_CFLAGS=\\"\\"')
else:
cflags.append('-DUWSGI_CFLAGS=\\"%s\\"' % uwsgi_cflags)
cflags.append('-DUWSGI_BUILD_DATE="\\"%s\\""' % time.strftime("%d %B %Y %H:%M:%S"))
post_build = []
push_print("*** uWSGI compiling server core ***")
for file in gcc_list:
objfile = file
if objfile == 'uwsgi':
objfile = 'main'
if not objfile.endswith('.a') and not objfile.endswith('.o'):
if objfile.endswith('.c') or objfile.endswith('.cc') or objfile.endswith('.m') or objfile.endswith('.go'):
if objfile.endswith('.go'):
cflags.append('-Wno-error')
compile(' '.join(cflags), last_cflags_ts, objfile + '.o', file)
if objfile.endswith('.go'):
cflags.pop()
else:
if objfile == 'core/dot_h':
cflags.append('-g')
compile(' '.join(cflags), last_cflags_ts, objfile + '.o', file + '.c')
if objfile == 'core/dot_h':
cflags.pop()
if uc.get('embedded_plugins'):
ep = uc.get('embedded_plugins').split(',')
if len(ep) > 0:
push_print("*** uWSGI compiling embedded plugins ***")
for item in ep:
# allows name=path syntax
kv = item.split('=')
if len(kv) > 1:
p = kv[1]
p = p.strip()
if is_remote_plugin(p):
p = get_remote_plugin(p)
path = os.path.abspath(p)
else:
p = kv[0]
p = p.strip()
path = 'plugins/%s' % p
if not p or p == 'None':
continue
if p == 'ugreen':
if not report['ucontext']:
continue
path = path.rstrip('/')
path, up = get_plugin_up(path)
p_cflags = cflags[:]
p_cflags += up['CFLAGS']
if uwsgi_os.startswith('CYGWIN'):
try:
p_cflags.remove('-fstack-protector')
except ValueError:
pass
if GCC in ('clang',):
try:
p_cflags.remove('-fno-fast-math')
p_cflags.remove('-ggdb3')
except ValueError:
pass
p_cflags_blacklist = (
'-Wdeclaration-after-statement',
'-Werror=declaration-after-statement',
'-Wwrite-strings',
'-Werror=write-strings',
)
for cflag in p_cflags_blacklist:
try:
p_cflags.remove(cflag)
except ValueError:
pass
try:
if up['post_build']:
post_build.append(up['post_build'])
except Exception:
pass
for cfile in up['GCC_LIST']:
if cfile.endswith('.a'):
gcc_list.append(cfile)
elif cfile.endswith('.o'):
gcc_list.append('%s/%s' % (path, cfile))
elif not cfile.endswith('.c') and not cfile.endswith('.cc') and not cfile.endswith('.go') and not cfile.endswith('.m'):
compile(' '.join(uniq_warnings(p_cflags)), last_cflags_ts,
path + '/' + cfile + '.o', path + '/' + cfile + '.c')
gcc_list.append('%s/%s' % (path, cfile))
else:
if cfile.endswith('.go'):
p_cflags.append('-Wno-error')
compile(' '.join(uniq_warnings(p_cflags)), last_cflags_ts,
path + '/' + cfile + '.o', path + '/' + cfile)
gcc_list.append('%s/%s' % (path, cfile))
for bfile in up.get('BINARY_LIST', []):
try:
binary_link_cmd = "ld -r -b binary -o %s/%s.o %s/%s" % (path, bfile[1], path, bfile[1])
print(binary_link_cmd)
if os.system(binary_link_cmd) != 0:
raise Exception('unable to link binary file')
for kind in ('start', 'end'):
objcopy_cmd = "objcopy --redefine-sym _binary_%s_%s=%s_%s %s/%s.o" % (binarize('%s/%s' % (path, bfile[1])), kind, bfile[0], kind, path, bfile[1])
print(objcopy_cmd)
if os.system(objcopy_cmd) != 0:
raise Exception('unable to link binary file')
gcc_list.append('%s/%s.o' % (path, bfile[1]))
except Exception:
if uwsgi_os == 'Darwin':
gcc_list.append('-sectcreate __DATA %s %s/%s' % (strip_prefix('_uwsgi_', bfile[0]), path, bfile[1]))
libs += up['LIBS']
if uwsgi_os == 'Darwin':
found_arch = False
sanitized_ldflags = []
for flag in up['LDFLAGS']:
if flag == '-arch':
found_arch = True
continue
if found_arch:
found_arch = False
continue
sanitized_ldflags.append(flag)
ldflags += sanitized_ldflags
else:
ldflags += up['LDFLAGS']
if uc.get('plugins'):
plugins = uc.get('plugins').split(',')
if len(plugins) > 0:
push_print("*** uWSGI building plugins ***")
for p in plugins:
p = p.strip()
push_print("*** building plugin: %s ***" % p)
build_plugin("plugins/%s" % p, uc, cflags, ldflags, libs)
bin_name = os.environ.get('UWSGI_BIN_NAME', uc.get('bin_name'))
if uc.embed_config:
gcc_list.append("%s.o" % binarize(uc.embed_config))
for ef in binary_list:
gcc_list.append("%s.o" % ef)
if compile_queue:
for t in thread_compilers:
compile_queue.put((None, None))
for t in thread_compilers:
t.join()
print("*** uWSGI linking ***")
ldline = "%s -o %s %s %s %s" % (
GCC,
bin_name,
' '.join(uniq_warnings(ldflags)),
' '.join(map(add_o, gcc_list)),
' '.join(uniq_warnings(libs))
)
print(ldline)
ret = os.system(ldline)
if ret != 0:
print("*** error linking uWSGI ***")
sys.exit(1)
print("################# uWSGI configuration #################")
print("")
for report_key in report:
print("%s = %s" % (report_key, report[report_key]))
print("")
print("############## end of uWSGI configuration #############")
print("total build time: %d seconds" % (time.time() - started_at))
if bin_name.find("/") < 0:
bin_name = './' + bin_name
if uc.get('as_shared_library'):
print("*** uWSGI shared library (%s) is ready, move it to a library directory ***" % bin_name)
else:
print("*** uWSGI is ready, launch it with %s ***" % bin_name)
for pb in post_build:
pb(uc)
def open_profile(filename):
if filename.startswith('http://') or filename.startswith('https://') or filename.startswith('ftp://'):
wrapped = False
try:
import urllib2
except ImportError:
import urllib.request
wrapped = True
if wrapped:
import io
return io.TextIOWrapper(urllib.request.urlopen(filename), encoding='utf-8')
return urllib2.urlopen(filename)
return open(filename)
class uConf(object):
def __init__(self, filename, mute=False):
global GCC
self.filename = filename
self.config = ConfigParser.ConfigParser()
if not mute:
print("using profile: %s" % filename)
if os.path.exists('uwsgibuild.lastprofile'):
ulp = open('uwsgibuild.lastprofile', 'r')
last_profile = ulp.read()
ulp.close()
if last_profile != filename:
os.environ['UWSGI_FORCE_REBUILD'] = '1'
ulp = open('uwsgibuild.lastprofile', 'w')
ulp.write(filename)
ulp.close()
self.config.readfp(open_profile(filename))
self.gcc_list = [
'core/utils', 'core/protocol', 'core/socket', 'core/logging',
'core/master', 'core/master_utils', 'core/emperor', 'core/notify',
'core/mule', 'core/subscription', 'core/stats', 'core/sendfile',
'core/async', 'core/master_checks', 'core/fifo', 'core/offload',
'core/io', 'core/static', 'core/websockets', 'core/spooler',
'core/snmp', 'core/exceptions', 'core/config', 'core/setup_utils',
'core/clock', 'core/init', 'core/buffer', 'core/reader',
'core/writer', 'core/alarm', 'core/cron', 'core/hooks',
'core/plugins', 'core/lock', 'core/cache', 'core/daemons',
'core/errors', 'core/hash', 'core/master_events', 'core/chunked',
'core/queue', 'core/event', 'core/signal', 'core/strings',
'core/progress', 'core/timebomb', 'core/ini', 'core/fsmon',
'core/mount', 'core/metrics', 'core/plugins_builder',
'core/sharedarea', 'core/fork_server', 'core/webdav', 'core/zeus',
'core/rpc', 'core/gateway', 'core/loop', 'core/cookie',
'core/querystring', 'core/rb_timers', 'core/transformations',
'core/uwsgi',
]
# add protocols
self.gcc_list.append('proto/base')
self.gcc_list.append('proto/uwsgi')
self.gcc_list.append('proto/http')
self.gcc_list.append('proto/fastcgi')
self.gcc_list.append('proto/scgi')
self.gcc_list.append('proto/puwsgi')
self.include_path = []
if 'UWSGI_INCLUDES' in os.environ:
self.include_path += os.environ['UWSGI_INCLUDES'].split(',')
self.cflags = [
'-O2',
'-I.',
'-Wall',
'-Werror',
'-D_LARGEFILE_SOURCE',
'-D_FILE_OFFSET_BITS=64'
] + os.environ.get("CFLAGS", "").split() + self.get('cflags', '').split()
report['kernel'] = uwsgi_os
if uwsgi_os == 'Linux':
if uwsgi_cpu != 'ia64':
self.gcc_list.append('lib/linux_ns')
try:
lk_ver = uwsgi_os_k.split('.')
if int(lk_ver[0]) <= 2 and int(lk_ver[1]) <= 6 and int(lk_ver[2]) <= 9:
self.cflags.append('-DOBSOLETE_LINUX_KERNEL')
report['kernel'] = 'Old Linux'
except Exception:
pass
if uwsgi_os == 'GNU':
self.cflags.append('-D__HURD__')
gcc_version = spcall("%s -dumpversion" % GCC)
if not gcc_version and GCC.startswith('gcc'):
if uwsgi_os == 'Darwin':
GCC = 'llvm-' + GCC
else:
GCC = 'gcc'
gcc_version = spcall("%s -dumpversion" % GCC)
try:
add_it = False
cpp_include_list = str(spcall3("%s -v" % CPP)).split("\n")
for line in cpp_include_list:
if line.startswith('#include <...> search starts here:'):
add_it = True
elif line.startswith('End of search list.'):
add_it = False
elif add_it:
self.include_path.append(line.strip().split()[0])
if not self.include_path:
raise
except Exception:
self.include_path = ['/usr/include', '/usr/local/include']
additional_include_paths = self.get('additional_include_paths')
if additional_include_paths:
for ipath in additional_include_paths.split():
self.include_path.append(ipath)
if 'UWSGI_REMOVE_INCLUDES' in os.environ:
for inc in os.environ['UWSGI_REMOVE_INCLUDES'].split(','):
try:
self.include_path.remove(inc)
except ValueError:
pass
if not mute:
print("detected include path: %s" % self.include_path)
try:
gcc_version_components = gcc_version.split('.')
gcc_major = int(gcc_version_components[0])
if len(gcc_version_components) > 1:
gcc_minor = int(gcc_version_components[1])
else:
# gcc 5.0 is represented as simply "5"
gcc_minor = 0
except Exception:
raise Exception("you need a C compiler to build uWSGI")
# add -fno-strict-aliasing only on python2 and gcc < 4.3
if (sys.version_info[0] == 2) or (gcc_major < 4) or (gcc_major == 4 and gcc_minor < 3):
self.cflags += ['-fno-strict-aliasing']
if gcc_major >= 4:
self.cflags += ['-Wextra', '-Wno-unused-parameter', '-Wno-missing-field-initializers']
if gcc_major == 4 and gcc_minor < 9:
self.cflags.append('-Wno-format -Wno-format-security')
self.ldflags = os.environ.get("LDFLAGS", "").split()
self.libs = ['-lpthread', '-lm', '-rdynamic']
if uwsgi_os in ('Linux', 'GNU', 'GNU/kFreeBSD'):
self.libs.append('-ldl')
if uwsgi_os == 'GNU/kFreeBSD':
self.cflags.append('-D__GNU_kFreeBSD__')
self.libs.append('-lbsd')
# check for inherit option
inherit = self.get('inherit')
if inherit:
if '/' not in inherit:
inherit = 'buildconf/%s' % inherit
if not inherit.endswith('.ini'):
inherit = '%s.ini' % inherit
interpolations = {}
for option in self.config.options('uwsgi'):
interpolations[option] = self.get(option, default='')
iconfig = ConfigParser.ConfigParser(interpolations)
iconfig.readfp(open_profile(inherit))
for opt in iconfig.options('uwsgi'):
if not self.config.has_option('uwsgi', opt):
self.set(opt, iconfig.get('uwsgi', opt))
elif self.get(opt):
if self.get(opt).startswith('+'):
self.set(opt, iconfig.get('uwsgi', opt) + self.get(opt)[1:])
elif self.get(opt) == 'null':
self.config.remove_option('uwsgi', opt)
def set(self, key, value):
self.config.set('uwsgi', key, value)
def get(self, key, default=None):
try:
value = self.config.get('uwsgi', key)
if value == "" or value == "false":
return default
return value
except Exception:
if default is not None:
return default
return None
def depends_on(self, what, dep):
for d in dep:
if not self.get(d):
print("%s needs %s support." % (what, d))
sys.exit(1)
def has_include(self, what):
for include in self.include_path:
if os.path.exists("%s/%s" % (include, what)):
return True
return False
def get_gcll(self):
global uwsgi_version
kvm_list = ['FreeBSD', 'OpenBSD', 'NetBSD', 'DragonFly']
if 'UWSGI_PROFILE_OVERRIDE' in os.environ:
for item in os.environ['UWSGI_PROFILE_OVERRIDE'].split(';'):
k, v = item.split('=', 1)
self.set(k, v)
if 'UWSGI_AS_LIB' in os.environ:
self.set('as_shared_library', 'true')
self.set('bin_name', os.environ['UWSGI_AS_LIB'])
if self.has_include('ifaddrs.h'):
self.cflags.append('-DUWSGI_HAS_IFADDRS')
report['ifaddrs'] = True
if uwsgi_os in ('FreeBSD', 'OpenBSD'):
if self.has_include('execinfo.h') or os.path.exists('/usr/local/include/execinfo.h'):
if os.path.exists('/usr/local/include/execinfo.h'):
self.cflags.append('-I/usr/local/include')
self.ldflags.append('-L/usr/local/lib')
self.cflags.append('-DUWSGI_HAS_EXECINFO')
self.libs.append('-lexecinfo')
report['execinfo'] = True
if uwsgi_os == 'GNU/kFreeBSD':
if self.has_include('execinfo.h'):
self.cflags.append('-DUWSGI_HAS_EXECINFO')
report['execinfo'] = True
if self.has_include('zlib.h'):
self.cflags.append('-DUWSGI_ZLIB')
self.libs.append('-lz')
self.gcc_list.append('core/zlib')
report['zlib'] = True
if uwsgi_os == 'OpenBSD':
try:
obsd_major = uwsgi_os_k.split('.')[0]
obsd_minor = uwsgi_os_k.split('.')[1]
obsd_ver = int(obsd_major + obsd_minor)
if obsd_ver > 50:
self.cflags.append('-DUWSGI_NEW_OPENBSD')
report['kernel'] = 'New OpenBSD'
except Exception:
pass
if uwsgi_os == 'SunOS':
self.libs.append('-lsendfile')
self.libs.append('-lrt')
self.gcc_list.append('lib/sun_fixes')
sunos_major = int(uwsgi_os_k.split('.')[0])
sunos_minor = int(uwsgi_os_k.split('.')[1])
# solaris < 11 does not have sethostname declared in unistd
if not (sunos_major == 5 and sunos_minor > 10):
self.cflags.append('-DUWSGI_SUNOS_EXTERN_SETHOSTNAME')
self.ldflags.append('-L/lib')
if not uwsgi_os_v.startswith('Nexenta'):
self.libs.remove('-rdynamic')
if uwsgi_os == 'GNU/kFreeBSD':
if self.has_include('kvm.h'):
kvm_list.append('GNU/kFreeBSD')
if uwsgi_os in kvm_list:
self.libs.append('-lkvm')
if uwsgi_os == 'Haiku':
self.libs.remove('-rdynamic')
self.libs.remove('-lpthread')
self.libs.append('-lroot')
if uwsgi_os == 'Darwin':
if uwsgi_os_k.startswith('8'):
self.cflags.append('-DUNSETENV_VOID')
self.cflags.append('-DNO_SENDFILE')
self.cflags.append('-DNO_EXECINFO')
self.cflags.append('-DOLD_REALPATH')
self.cflags.append('-mmacosx-version-min=10.5')
if GCC in ('clang',):
self.libs.remove('-rdynamic')
if uwsgi_os.startswith('CYGWIN'):
self.libs.remove('-rdynamic')
# compile extras
extras = self.get('extras', None)
if extras:
for extra in extras.split(','):
self.gcc_list.append(extra)
# check for usable ucontext
report['ucontext'] = has_usable_ucontext()
# set locking subsystem
locking_mode = self.get('locking', 'auto')
if locking_mode == 'auto':
if uwsgi_os == 'Linux' or uwsgi_os == 'SunOS':
locking_mode = 'pthread_mutex'
# FreeBSD umtx is still not ready for process shared locking
# starting from FreeBSD 9 posix semaphores can be shared between processes
elif uwsgi_os in ('FreeBSD', 'GNU/kFreeBSD'):
try:
fbsd_major = int(uwsgi_os_k.split('.')[0])
if fbsd_major >= 9:
locking_mode = 'posix_sem'
except Exception:
pass
elif uwsgi_os == 'GNU':
locking_mode = 'posix_sem'
elif uwsgi_os == 'Darwin':
locking_mode = 'osx_spinlock'
elif uwsgi_os.startswith('CYGWIN'):
locking_mode = 'windows_mutex'
if locking_mode == 'pthread_mutex':
self.cflags.append('-DUWSGI_LOCK_USE_MUTEX')
# FreeBSD umtx is still not ready for process shared locking
elif locking_mode == 'posix_sem':
self.cflags.append('-DUWSGI_LOCK_USE_POSIX_SEM')
elif locking_mode == 'osx_spinlock':
self.cflags.append('-DUWSGI_LOCK_USE_OSX_SPINLOCK')
elif locking_mode == 'windows_mutex':
self.cflags.append('-DUWSGI_LOCK_USE_WINDOWS_MUTEX')
else:
self.cflags.append('-DUWSGI_IPCSEM_ATEXIT')
if locking_mode == 'auto':
report['locking'] = 'sysv semaphores'
else:
report['locking'] = locking_mode
# set event subsystem
event_mode = self.get('event', 'auto')
if event_mode == 'auto':
if uwsgi_os == 'Linux':
event_mode = 'epoll'
if uwsgi_os == 'SunOS':
event_mode = 'devpoll'
sun_major, sun_minor = uwsgi_os_k.split('.')
if int(sun_major) >= 5:
if int(sun_minor) >= 10:
event_mode = 'port'
elif uwsgi_os in ('Darwin', 'FreeBSD', 'GNU/kFreeBSD', 'OpenBSD', 'NetBSD', 'DragonFly'):
event_mode = 'kqueue'
elif uwsgi_os.startswith('CYGWIN') or uwsgi_os == 'GNU':
event_mode = 'poll'
if event_mode == 'epoll':
self.cflags.append('-DUWSGI_EVENT_USE_EPOLL')
elif event_mode == 'kqueue':
self.cflags.append('-DUWSGI_EVENT_USE_KQUEUE')
elif event_mode == 'devpoll':
self.cflags.append('-DUWSGI_EVENT_USE_DEVPOLL')
elif event_mode == 'port':
self.cflags.append('-DUWSGI_EVENT_USE_PORT')
elif event_mode == 'poll':
self.cflags.append('-DUWSGI_EVENT_USE_POLL')
report['event'] = event_mode
# set timer subsystem
timer_mode = self.get('timer', 'auto')
if timer_mode == 'auto':
if uwsgi_os == 'Linux':
k_all = uwsgi_os_k.split('.')
k_base = k_all[0]
# k_major = k_all[1]
if len(k_all) > 2:
k_minor = k_all[2]
else:
k_minor = 0
if int(k_base) > 2:
timer_mode = 'timerfd'
elif int(k_minor) >= 25:
timer_mode = 'timerfd'
else:
timer_mode = 'none'
elif uwsgi_os == 'SunOS':
sun_major, sun_minor = uwsgi_os_k.split('.')
if int(sun_major) >= 5:
if int(sun_minor) >= 10:
timer_mode = 'port'
elif uwsgi_os in ('Darwin', 'FreeBSD', 'GNU/kFreeBSD', 'OpenBSD', 'NetBSD', 'DragonFly'):
timer_mode = 'kqueue'