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5950fc66e0
The exception to allow building, but not operating, with Python 3.5 was only because oss-fuzz provided only Python 3.5 on Ubuntu 16.04. Ubuntu 20.04 is now the base image provided, so this exception can be removed. Signed-off-by: Andrew Bartlett <abartlet@samba.org> Reviewed-by: Uri Simchoni <uri@samba.org>
158 lines
5.0 KiB
Python
158 lines
5.0 KiB
Python
# waf build tool for building IDL files with pidl
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import os, sys
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from waflib import Build, Logs, Utils, Configure, Errors
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from waflib.Configure import conf
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@conf
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def SAMBA_CHECK_PYTHON(conf, version=(3,6,0)):
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# enable tool to build python extensions
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if conf.env.HAVE_PYTHON_H:
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conf.check_python_version(version)
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return
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interpreters = []
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conf.find_program('python3', var='PYTHON',
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mandatory=not conf.env.disable_python)
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conf.load('python')
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path_python = conf.find_program('python3')
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conf.env.PYTHON_SPECIFIED = (conf.env.PYTHON != path_python)
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conf.check_python_version(version)
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interpreters.append(conf.env['PYTHON'])
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conf.env.python_interpreters = interpreters
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@conf
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def SAMBA_CHECK_PYTHON_HEADERS(conf):
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if conf.env.disable_python:
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conf.msg("python headers", "Check disabled due to --disable-python")
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# we don't want PYTHONDIR in config.h, as otherwise changing
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# --prefix causes a complete rebuild
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conf.env.DEFINES = [x for x in conf.env.DEFINES
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if not x.startswith('PYTHONDIR=')
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and not x.startswith('PYTHONARCHDIR=')]
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return
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if conf.env["python_headers_checked"] == []:
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_check_python_headers(conf)
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conf.env["python_headers_checked"] = "yes"
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else:
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conf.msg("python headers", "using cache")
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# we don't want PYTHONDIR in config.h, as otherwise changing
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# --prefix causes a complete rebuild
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conf.env.DEFINES = [x for x in conf.env.DEFINES
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if not x.startswith('PYTHONDIR=')
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and not x.startswith('PYTHONARCHDIR=')]
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def _check_python_headers(conf):
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conf.check_python_headers()
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abi_pattern = os.path.splitext(conf.env['pyext_PATTERN'])[0]
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conf.env['PYTHON_SO_ABI_FLAG'] = abi_pattern % ''
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conf.env['PYTHON_LIBNAME_SO_ABI_FLAG'] = (
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conf.env['PYTHON_SO_ABI_FLAG'].replace('_', '-'))
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for lib in conf.env['LINKFLAGS_PYEMBED']:
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if lib.startswith('-L'):
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conf.env.append_unique('LIBPATH_PYEMBED', lib[2:]) # strip '-L'
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conf.env['LINKFLAGS_PYEMBED'].remove(lib)
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# same as in waf 1.5, keep only '-fno-strict-aliasing'
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# and ignore defines such as NDEBUG _FORTIFY_SOURCE=2
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conf.env.DEFINES_PYEXT = []
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conf.env.CFLAGS_PYEXT = ['-fno-strict-aliasing']
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return
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def PYTHON_BUILD_IS_ENABLED(self):
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return self.CONFIG_SET('HAVE_PYTHON_H')
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Build.BuildContext.PYTHON_BUILD_IS_ENABLED = PYTHON_BUILD_IS_ENABLED
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def SAMBA_PYTHON(bld, name,
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source='',
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deps='',
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public_deps='',
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realname=None,
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cflags='',
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cflags_end=None,
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includes='',
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init_function_sentinel=None,
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local_include=True,
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vars=None,
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install=True,
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enabled=True):
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'''build a python extension for Samba'''
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# force-disable when we can't build python modules, so
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# every single call doesn't need to pass this in.
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if not bld.PYTHON_BUILD_IS_ENABLED():
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enabled = False
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# Save time, no need to build python bindings when fuzzing
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if bld.env.enable_fuzzing:
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enabled = False
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# when we support static python modules we'll need to gather
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# the list from all the SAMBA_PYTHON() targets
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if init_function_sentinel is not None:
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cflags += ' -DSTATIC_LIBPYTHON_MODULES=%s' % init_function_sentinel
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# From https://docs.python.org/2/c-api/arg.html:
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# Starting with Python 2.5 the type of the length argument to
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# PyArg_ParseTuple(), PyArg_ParseTupleAndKeywords() and PyArg_Parse()
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# can be controlled by defining the macro PY_SSIZE_T_CLEAN before
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# including Python.h. If the macro is defined, length is a Py_ssize_t
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# rather than an int.
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# Because <Python.h> if often included before includes.h/config.h
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# This must be in the -D compiler options
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cflags += ' -DPY_SSIZE_T_CLEAN=1'
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source = bld.EXPAND_VARIABLES(source, vars=vars)
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if realname is not None:
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link_name = 'python/%s' % realname
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else:
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link_name = None
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bld.SAMBA_LIBRARY(name,
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source=source,
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deps=deps,
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public_deps=public_deps,
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includes=includes,
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cflags=cflags,
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cflags_end=cflags_end,
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local_include=local_include,
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vars=vars,
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realname=realname,
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link_name=link_name,
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pyext=True,
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target_type='PYTHON',
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install_path='${PYTHONARCHDIR}',
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allow_undefined_symbols=True,
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install=install,
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enabled=enabled)
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Build.BuildContext.SAMBA_PYTHON = SAMBA_PYTHON
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def pyembed_libname(bld, name):
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if bld.env['PYTHON_SO_ABI_FLAG']:
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return name + bld.env['PYTHON_SO_ABI_FLAG']
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else:
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return name
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Build.BuildContext.pyembed_libname = pyembed_libname
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