diff options
Diffstat (limited to 'Lib/sysconfig/__init__.py')
| -rw-r--r-- | Lib/sysconfig/__init__.py | 49 |
1 files changed, 36 insertions, 13 deletions
diff --git a/Lib/sysconfig/__init__.py b/Lib/sysconfig/__init__.py index ee52700..ad86609 100644 --- a/Lib/sysconfig/__init__.py +++ b/Lib/sysconfig/__init__.py @@ -318,14 +318,22 @@ def get_default_scheme(): def get_makefile_filename(): """Return the path of the Makefile.""" + + # GH-127429: When cross-compiling, use the Makefile from the target, instead of the host Python. + if cross_base := os.environ.get('_PYTHON_PROJECT_BASE'): + return os.path.join(cross_base, 'Makefile') + if _PYTHON_BUILD: return os.path.join(_PROJECT_BASE, "Makefile") + if hasattr(sys, 'abiflags'): config_dir_name = f'config-{_PY_VERSION_SHORT}{sys.abiflags}' else: config_dir_name = 'config' + if hasattr(sys.implementation, '_multiarch'): config_dir_name += f'-{sys.implementation._multiarch}' + return os.path.join(get_path('stdlib'), config_dir_name, 'Makefile') @@ -464,27 +472,44 @@ def get_path(name, scheme=get_default_scheme(), vars=None, expand=True): def _init_config_vars(): global _CONFIG_VARS _CONFIG_VARS = {} + + prefix = _PREFIX + exec_prefix = _EXEC_PREFIX + base_prefix = _BASE_PREFIX + base_exec_prefix = _BASE_EXEC_PREFIX + + try: + abiflags = sys.abiflags + except AttributeError: + abiflags = '' + + if os.name == 'posix': + _init_posix(_CONFIG_VARS) + # If we are cross-compiling, load the prefixes from the Makefile instead. + if '_PYTHON_PROJECT_BASE' in os.environ: + prefix = _CONFIG_VARS['prefix'] + exec_prefix = _CONFIG_VARS['exec_prefix'] + base_prefix = _CONFIG_VARS['prefix'] + base_exec_prefix = _CONFIG_VARS['exec_prefix'] + abiflags = _CONFIG_VARS['ABIFLAGS'] + # Normalized versions of prefix and exec_prefix are handy to have; # in fact, these are the standard versions used most places in the # Distutils. - _CONFIG_VARS['prefix'] = _PREFIX - _CONFIG_VARS['exec_prefix'] = _EXEC_PREFIX + _CONFIG_VARS['prefix'] = prefix + _CONFIG_VARS['exec_prefix'] = exec_prefix _CONFIG_VARS['py_version'] = _PY_VERSION _CONFIG_VARS['py_version_short'] = _PY_VERSION_SHORT _CONFIG_VARS['py_version_nodot'] = _PY_VERSION_SHORT_NO_DOT - _CONFIG_VARS['installed_base'] = _BASE_PREFIX - _CONFIG_VARS['base'] = _PREFIX - _CONFIG_VARS['installed_platbase'] = _BASE_EXEC_PREFIX - _CONFIG_VARS['platbase'] = _EXEC_PREFIX + _CONFIG_VARS['installed_base'] = base_prefix + _CONFIG_VARS['base'] = prefix + _CONFIG_VARS['installed_platbase'] = base_exec_prefix + _CONFIG_VARS['platbase'] = exec_prefix _CONFIG_VARS['projectbase'] = _PROJECT_BASE _CONFIG_VARS['platlibdir'] = sys.platlibdir _CONFIG_VARS['implementation'] = _get_implementation() _CONFIG_VARS['implementation_lower'] = _get_implementation().lower() - try: - _CONFIG_VARS['abiflags'] = sys.abiflags - except AttributeError: - # sys.abiflags may not be defined on all platforms. - _CONFIG_VARS['abiflags'] = '' + _CONFIG_VARS['abiflags'] = abiflags try: _CONFIG_VARS['py_version_nodot_plat'] = sys.winver.replace('.', '') except AttributeError: @@ -493,8 +518,6 @@ def _init_config_vars(): if os.name == 'nt': _init_non_posix(_CONFIG_VARS) _CONFIG_VARS['VPATH'] = sys._vpath - if os.name == 'posix': - _init_posix(_CONFIG_VARS) if _HAS_USER_BASE: # Setting 'userbase' is done below the call to the # init function to enable using 'get_config_var' in |