diff options
Diffstat (limited to 'Lib/distutils/sysconfig.py')
| -rw-r--r-- | Lib/distutils/sysconfig.py | 80 |
1 files changed, 62 insertions, 18 deletions
diff --git a/Lib/distutils/sysconfig.py b/Lib/distutils/sysconfig.py index dec37f8be1..b9479889f4 100644 --- a/Lib/distutils/sysconfig.py +++ b/Lib/distutils/sysconfig.py @@ -18,11 +18,17 @@ from .errors import DistutilsPlatformError # These are needed in a couple of spots, so just compute them once. PREFIX = os.path.normpath(sys.prefix) EXEC_PREFIX = os.path.normpath(sys.exec_prefix) +BASE_PREFIX = os.path.normpath(sys.base_prefix) +BASE_EXEC_PREFIX = os.path.normpath(sys.base_exec_prefix) # Path to the base directory of the project. On Windows the binary may # live in project/PCBuild9. If we're dealing with an x64 Windows build, # it'll live in project/PCbuild/amd64. -project_base = os.path.dirname(os.path.abspath(sys.executable)) +# set for cross builds +if "_PYTHON_PROJECT_BASE" in os.environ: + project_base = os.path.abspath(os.environ["_PYTHON_PROJECT_BASE"]) +else: + project_base = os.path.dirname(os.path.abspath(sys.executable)) if os.name == "nt" and "pcbuild" in project_base[-8:].lower(): project_base = os.path.abspath(os.path.join(project_base, os.path.pardir)) # PC/VS7.1 @@ -39,11 +45,21 @@ if os.name == "nt" and "\\pcbuild\\amd64" in project_base[-14:].lower(): # different (hard-wired) directories. # Setup.local is available for Makefile builds including VPATH builds, # Setup.dist is available on Windows -def _python_build(): +def _is_python_source_dir(d): for fn in ("Setup.dist", "Setup.local"): - if os.path.isfile(os.path.join(project_base, "Modules", fn)): + if os.path.isfile(os.path.join(d, "Modules", fn)): return True return False +_sys_home = getattr(sys, '_home', None) +if _sys_home and os.name == 'nt' and \ + _sys_home.lower().endswith(('pcbuild', 'pcbuild\\amd64')): + _sys_home = os.path.dirname(_sys_home) + if _sys_home.endswith('pcbuild'): # must be amd64 + _sys_home = os.path.dirname(_sys_home) +def _python_build(): + if _sys_home: + return _is_python_source_dir(_sys_home) + return _is_python_source_dir(project_base) python_build = _python_build() # Calculate the build qualifier flags if they are defined. Adding the flags @@ -74,11 +90,11 @@ def get_python_inc(plat_specific=0, prefix=None): otherwise, this is the path to platform-specific header files (namely pyconfig.h). - If 'prefix' is supplied, use it instead of sys.prefix or - sys.exec_prefix -- i.e., ignore 'plat_specific'. + If 'prefix' is supplied, use it instead of sys.base_prefix or + sys.base_exec_prefix -- i.e., ignore 'plat_specific'. """ if prefix is None: - prefix = plat_specific and EXEC_PREFIX or PREFIX + prefix = plat_specific and BASE_EXEC_PREFIX or BASE_PREFIX if os.name == "posix": if python_build: # Assume the executable is in the build directory. The @@ -86,12 +102,14 @@ def get_python_inc(plat_specific=0, prefix=None): # the build directory may not be the source directory, we # must use "srcdir" from the makefile to find the "Include" # directory. - base = os.path.dirname(os.path.abspath(sys.executable)) + base = _sys_home or project_base if plat_specific: return base + if _sys_home: + incdir = os.path.join(_sys_home, get_config_var('AST_H_DIR')) else: incdir = os.path.join(get_config_var('srcdir'), 'Include') - return os.path.normpath(incdir) + return os.path.normpath(incdir) python_dir = 'python' + get_python_version() + build_flags return os.path.join(prefix, "include", python_dir) elif os.name == "nt": @@ -115,11 +133,14 @@ def get_python_lib(plat_specific=0, standard_lib=0, prefix=None): containing standard Python library modules; otherwise, return the directory for site-specific modules. - If 'prefix' is supplied, use it instead of sys.prefix or - sys.exec_prefix -- i.e., ignore 'plat_specific'. + If 'prefix' is supplied, use it instead of sys.base_prefix or + sys.base_exec_prefix -- i.e., ignore 'plat_specific'. """ if prefix is None: - prefix = plat_specific and EXEC_PREFIX or PREFIX + if standard_lib: + prefix = plat_specific and BASE_EXEC_PREFIX or BASE_PREFIX + else: + prefix = plat_specific and EXEC_PREFIX or PREFIX if os.name == "posix": libpython = os.path.join(prefix, @@ -174,9 +195,15 @@ def customize_compiler(compiler): get_config_vars('CC', 'CXX', 'OPT', 'CFLAGS', 'CCSHARED', 'LDSHARED', 'SHLIB_SUFFIX', 'AR', 'ARFLAGS') - newcc = None if 'CC' in os.environ: - cc = os.environ['CC'] + newcc = os.environ['CC'] + if (sys.platform == 'darwin' + and 'LDSHARED' not in os.environ + and ldshared.startswith(cc)): + # On OS X, if CC is overridden, use that as the default + # command for LDSHARED as well + ldshared = newcc + ldshared[len(cc):] + cc = newcc if 'CXX' in os.environ: cxx = os.environ['CXX'] if 'LDSHARED' in os.environ: @@ -218,9 +245,9 @@ def get_config_h_filename(): """Return full pathname of installed pyconfig.h file.""" if python_build: if os.name == "nt": - inc_dir = os.path.join(project_base, "PC") + inc_dir = os.path.join(_sys_home or project_base, "PC") else: - inc_dir = project_base + inc_dir = _sys_home or project_base else: inc_dir = get_python_inc(plat_specific=1) if get_python_version() < '2.2': @@ -234,7 +261,7 @@ def get_config_h_filename(): def get_makefile_filename(): """Return full pathname of installed Makefile from the Python build.""" if python_build: - return os.path.join(os.path.dirname(sys.executable), "Makefile") + return os.path.join(_sys_home or project_base, "Makefile") lib_dir = get_python_lib(plat_specific=0, standard_lib=1) config_file = 'config-{}{}'.format(get_python_version(), build_flags) return os.path.join(lib_dir, config_file, 'Makefile') @@ -498,7 +525,7 @@ def get_config_vars(*args): variables relevant for the current platform. Generally this includes everything needed to build extensions and install both pure modules and extensions. On Unix, this means every variable defined in Python's - installed Makefile; on Windows and Mac OS it's a much smaller set. + installed Makefile; on Windows it's a much smaller set. With arguments, return a list of values that result from looking up each argument in the configuration variable dictionary. @@ -517,12 +544,29 @@ def get_config_vars(*args): _config_vars['prefix'] = PREFIX _config_vars['exec_prefix'] = EXEC_PREFIX + # Always convert srcdir to an absolute path + srcdir = _config_vars.get('srcdir', project_base) + if os.name == 'posix': + if python_build: + # If srcdir is a relative path (typically '.' or '..') + # then it should be interpreted relative to the directory + # containing Makefile. + base = os.path.dirname(get_makefile_filename()) + srcdir = os.path.join(base, srcdir) + else: + # srcdir is not meaningful since the installation is + # spread about the filesystem. We choose the + # directory containing the Makefile since we know it + # exists. + srcdir = os.path.dirname(get_makefile_filename()) + _config_vars['srcdir'] = os.path.abspath(os.path.normpath(srcdir)) + # Convert srcdir into an absolute path if it appears necessary. # Normally it is relative to the build directory. However, during # testing, for example, we might be running a non-installed python # from a different directory. if python_build and os.name == "posix": - base = os.path.dirname(os.path.abspath(sys.executable)) + base = project_base if (not os.path.isabs(_config_vars['srcdir']) and base != os.getcwd()): # srcdir is relative and we are not in the same directory |