# waf build tool for building IDL files with pidl
-import Build
-from samba_utils import *
-from samba_autoconf import *
+import os
+from waflib import Build, Logs, Utils, Configure, Errors
+from waflib.Configure import conf
+
+@conf
+def SAMBA_CHECK_PYTHON(conf, mandatory=True, version=(2,4,2)):
+ # enable tool to build python extensions
+ if conf.env.HAVE_PYTHON_H:
+ conf.check_python_version(version)
+ return
+
+ interpreters = []
+
+ if conf.env['EXTRA_PYTHON']:
+ conf.all_envs['extrapython'] = conf.env.derive()
+ conf.setenv('extrapython')
+ conf.env['PYTHON'] = conf.env['EXTRA_PYTHON']
+ conf.env['IS_EXTRA_PYTHON'] = 'yes'
+ conf.find_program('python', var='PYTHON', mandatory=True)
+ conf.load('python')
+ try:
+ conf.check_python_version((3, 3, 0))
+ except Exception:
+ Logs.warn('extra-python needs to be Python 3.3 or later')
+ raise
+ interpreters.append(conf.env['PYTHON'])
+ conf.setenv('default')
+
+ conf.find_program('python', var='PYTHON', mandatory=mandatory)
+ conf.load('python')
+ path_python = conf.find_program('python')
+ conf.env.PYTHON_SPECIFIED = (conf.env.PYTHON != path_python)
+ conf.check_python_version(version)
+
+ interpreters.append(conf.env['PYTHON'])
+ conf.env.python_interpreters = interpreters
+
+
+@conf
+def SAMBA_CHECK_PYTHON_HEADERS(conf, mandatory=True):
+ if conf.env.disable_python:
+ if mandatory:
+ raise Errors.WafError("Cannot check for python headers when "
+ "--disable-python specified")
+
+ conf.msg("python headers", "Check disabled due to --disable-python")
+ # we don't want PYTHONDIR in config.h, as otherwise changing
+ # --prefix causes a complete rebuild
+ conf.env.DEFINES = [x for x in conf.env.DEFINES
+ if not x.startswith('PYTHONDIR=')
+ and not x.startswith('PYTHONARCHDIR=')]
+
+ return
+
+ if conf.env["python_headers_checked"] == []:
+ if conf.env['EXTRA_PYTHON']:
+ conf.setenv('extrapython')
+ _check_python_headers(conf, mandatory=True)
+ conf.setenv('default')
+
+ _check_python_headers(conf, mandatory)
+ conf.env["python_headers_checked"] = "yes"
+
+ if conf.env['EXTRA_PYTHON']:
+ extraversion = conf.all_envs['extrapython']['PYTHON_VERSION']
+ if extraversion == conf.env['PYTHON_VERSION']:
+ raise Errors.WafError("extrapython %s is same as main python %s" % (
+ extraversion, conf.env['PYTHON_VERSION']))
+ else:
+ conf.msg("python headers", "using cache")
+
+ # we don't want PYTHONDIR in config.h, as otherwise changing
+ # --prefix causes a complete rebuild
+ conf.env.DEFINES = [x for x in conf.env.DEFINES
+ if not x.startswith('PYTHONDIR=')
+ and not x.startswith('PYTHONARCHDIR=')]
+
+def _check_python_headers(conf, mandatory):
+ try:
+ conf.errors.ConfigurationError
+ conf.check_python_headers()
+ except conf.errors.ConfigurationError:
+ if mandatory:
+ raise
+
+ if conf.env['PYTHON_VERSION'] > '3':
+ abi_pattern = os.path.splitext(conf.env['pyext_PATTERN'])[0]
+ conf.env['PYTHON_SO_ABI_FLAG'] = abi_pattern % ''
+ else:
+ conf.env['PYTHON_SO_ABI_FLAG'] = ''
+ conf.env['PYTHON_LIBNAME_SO_ABI_FLAG'] = (
+ conf.env['PYTHON_SO_ABI_FLAG'].replace('_', '-'))
+
+ for lib in conf.env['LINKFLAGS_PYEMBED']:
+ if lib.startswith('-L'):
+ conf.env.append_unique('LIBPATH_PYEMBED', lib[2:]) # strip '-L'
+ conf.env['LINKFLAGS_PYEMBED'].remove(lib)
+
+ # same as in waf 1.5, keep only '-fno-strict-aliasing'
+ # and ignore defines such as NDEBUG _FORTIFY_SOURCE=2
+ conf.env.DEFINES_PYEXT = []
+ conf.env.CFLAGS_PYEXT = ['-fno-strict-aliasing']
+
+ return
+
+def PYTHON_BUILD_IS_ENABLED(self):
+ return self.CONFIG_SET('HAVE_PYTHON_H')
+
+Build.BuildContext.PYTHON_BUILD_IS_ENABLED = PYTHON_BUILD_IS_ENABLED
def SAMBA_PYTHON(bld, name,
public_deps='',
realname=None,
cflags='',
+ cflags_end=None,
includes='',
- init_function_sentinal=None,
+ init_function_sentinel=None,
local_include=True,
+ vars=None,
+ install=True,
enabled=True):
'''build a python extension for Samba'''
+ # force-disable when we can't build python modules, so
+ # every single call doesn't need to pass this in.
+ if not bld.PYTHON_BUILD_IS_ENABLED():
+ enabled = False
+
+ if bld.env['IS_EXTRA_PYTHON']:
+ name = 'extra-' + name
+
# when we support static python modules we'll need to gather
# the list from all the SAMBA_PYTHON() targets
- if init_function_sentinal is not None:
- cflags += '-DSTATIC_LIBPYTHON_MODULES="%s"' % init_function_sentinal
-
- if realname is None:
- # a SAMBA_PYTHON target without a realname is just a
- # subsystem with needs_python=True
- return bld.SAMBA_SUBSYSTEM(name,
- source=source,
- deps=deps,
- public_deps=public_deps,
- cflags=cflags,
- includes=includes,
- init_function_sentinal=init_function_sentinal,
- local_include=local_include,
- needs_python=True,
- enabled=enabled)
-
- if not enabled:
- SET_TARGET_TYPE(bld, name, 'DISABLED')
- return
+ if init_function_sentinel is not None:
+ cflags += ' -DSTATIC_LIBPYTHON_MODULES=%s' % init_function_sentinel
- if not SET_TARGET_TYPE(bld, name, 'PYTHON'):
- return
+ # From https://docs.python.org/2/c-api/arg.html:
+ # Starting with Python 2.5 the type of the length argument to
+ # PyArg_ParseTuple(), PyArg_ParseTupleAndKeywords() and PyArg_Parse()
+ # can be controlled by defining the macro PY_SSIZE_T_CLEAN before
+ # including Python.h. If the macro is defined, length is a Py_ssize_t
+ # rather than an int.
- deps += ' ' + public_deps
+ # Because <Python.h> if often included before includes.h/config.h
+ # This must be in the -D compiler options
+ cflags += ' -DPY_SSIZE_T_CLEAN=1'
- if realname is None:
- link_name = 'python/%s.so' % name
- else:
+ source = bld.EXPAND_VARIABLES(source, vars=vars)
+
+ if realname is not None:
link_name = 'python/%s' % realname
+ else:
+ link_name = None
+
+ bld.SAMBA_LIBRARY(name,
+ source=source,
+ deps=deps,
+ public_deps=public_deps,
+ includes=includes,
+ cflags=cflags,
+ cflags_end=cflags_end,
+ local_include=local_include,
+ vars=vars,
+ realname=realname,
+ link_name=link_name,
+ pyext=True,
+ target_type='PYTHON',
+ install_path='${PYTHONARCHDIR}',
+ allow_undefined_symbols=True,
+ install=install,
+ enabled=enabled)
- t = bld(
- features = 'cc cshlib pyext symlink_lib',
- source = source,
- target = name,
- samba_cflags = CURRENT_CFLAGS(bld, name, cflags),
- samba_includes = includes,
- local_include = local_include,
- samba_deps = TO_LIST(deps),
- link_name = link_name
- )
Build.BuildContext.SAMBA_PYTHON = SAMBA_PYTHON
+
+
+def pyembed_libname(bld, name, extrapython=False):
+ if bld.env['PYTHON_SO_ABI_FLAG']:
+ return name + bld.env['PYTHON_SO_ABI_FLAG']
+ else:
+ return name
+
+Build.BuildContext.pyembed_libname = pyembed_libname
+
+
+def gen_python_environments(bld, extra_env_vars=()):
+ """Generate all Python environments
+
+ To be used in a for loop. Normally, the loop body will be executed once.
+
+ When --extra-python is used, the body will additionaly be executed
+ with the extra-python environment active.
+ """
+ yield
+
+ if bld.env['EXTRA_PYTHON']:
+ copied = ('GLOBAL_DEPENDENCIES', 'TARGET_TYPE') + tuple(extra_env_vars)
+ for name in copied:
+ bld.all_envs['extrapython'][name] = bld.all_envs['default'][name]
+ default_env = bld.all_envs['default']
+ bld.all_envs['default'] = bld.all_envs['extrapython']
+ yield
+ bld.all_envs['default'] = default_env
+
+Build.BuildContext.gen_python_environments = gen_python_environments
git.samba.org / samba.git / blobdiff