diff options
Diffstat (limited to 'Lib/distutils/sysconfig.py')
| -rw-r--r-- | Lib/distutils/sysconfig.py | 151 |
1 files changed, 70 insertions, 81 deletions
diff --git a/Lib/distutils/sysconfig.py b/Lib/distutils/sysconfig.py index 16902ca920a..317640ca89c 100644 --- a/Lib/distutils/sysconfig.py +++ b/Lib/distutils/sysconfig.py @@ -18,6 +18,8 @@ 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, @@ -39,11 +41,21 @@ 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 +86,11 @@ 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 +98,14 @@ 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 os.path.dirname(os.path.abspath(sys.executable)) 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 +129,14 @@ 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, @@ -146,7 +163,7 @@ def get_python_lib(plat_specific=0, standard_lib=0, prefix=None): "I don't know where Python installs its library " "on platform '%s'" % os.name) -_USE_CLANG = None + def customize_compiler(compiler): """Do any platform-specific customization of a CCompiler instance. @@ -155,42 +172,28 @@ def customize_compiler(compiler): varies across Unices and is stored in Python's Makefile. """ if compiler.compiler_type == "unix": + if sys.platform == "darwin": + # Perform first-time customization of compiler-related + # config vars on OS X now that we know we need a compiler. + # This is primarily to support Pythons from binary + # installers. The kind and paths to build tools on + # the user system may vary significantly from the system + # that Python itself was built on. Also the user OS + # version and build tools may not support the same set + # of CPU architectures for universal builds. + global _config_vars + if not _config_vars.get('CUSTOMIZED_OSX_COMPILER', ''): + import _osx_support + _osx_support.customize_compiler(_config_vars) + _config_vars['CUSTOMIZED_OSX_COMPILER'] = 'True' + (cc, cxx, opt, cflags, ccshared, ldshared, so_ext, ar, ar_flags) = \ get_config_vars('CC', 'CXX', 'OPT', 'CFLAGS', 'CCSHARED', 'LDSHARED', 'SO', 'AR', 'ARFLAGS') newcc = None if 'CC' in os.environ: - newcc = os.environ['CC'] - elif sys.platform == 'darwin' and cc == 'gcc-4.2': - # Issue #13590: - # Since Apple removed gcc-4.2 in Xcode 4.2, we can no - # longer assume it is available for extension module builds. - # If Python was built with gcc-4.2, check first to see if - # it is available on this system; if not, try to use clang - # instead unless the caller explicitly set CC. - global _USE_CLANG - if _USE_CLANG is None: - from distutils import log - from subprocess import Popen, PIPE - p = Popen("! type gcc-4.2 && type clang && exit 2", - shell=True, stdout=PIPE, stderr=PIPE) - p.wait() - if p.returncode == 2: - _USE_CLANG = True - log.warn("gcc-4.2 not found, using clang instead") - else: - _USE_CLANG = False - if _USE_CLANG: - newcc = 'clang' - if newcc: - # On OS X, if CC is overridden, use that as the default - # command for LDSHARED as well - if (sys.platform == 'darwin' - and 'LDSHARED' not in os.environ - and ldshared.startswith(cc)): - ldshared = newcc + ldshared[len(cc):] - cc = newcc + cc = os.environ['CC'] if 'CXX' in os.environ: cxx = os.environ['CXX'] if 'LDSHARED' in os.environ: @@ -232,9 +235,9 @@ 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': @@ -248,7 +251,8 @@ 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 os.path.dirname(sys.executable), + "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') @@ -510,7 +514,7 @@ 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. @@ -529,6 +533,23 @@ 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 @@ -543,43 +564,11 @@ def get_config_vars(*args): srcdir = os.path.join(base, _config_vars['srcdir']) _config_vars['srcdir'] = os.path.normpath(srcdir) + # OS X platforms require special customization to handle + # multi-architecture, multi-os-version installers if sys.platform == 'darwin': - kernel_version = os.uname()[2] # Kernel version (8.4.3) - major_version = int(kernel_version.split('.')[0]) - - if major_version < 8: - # On Mac OS X before 10.4, check if -arch and -isysroot - # are in CFLAGS or LDFLAGS and remove them if they are. - # This is needed when building extensions on a 10.3 system - # using a universal build of python. - for key in ('LDFLAGS', 'BASECFLAGS', - # a number of derived variables. These need to be - # patched up as well. - 'CFLAGS', 'PY_CFLAGS', 'BLDSHARED'): - flags = _config_vars[key] - flags = re.sub('-arch\s+\w+\s', ' ', flags, re.ASCII) - flags = re.sub('-isysroot [^ \t]*', ' ', flags) - _config_vars[key] = flags - - else: - - # Allow the user to override the architecture flags using - # an environment variable. - # NOTE: This name was introduced by Apple in OSX 10.5 and - # is used by several scripting languages distributed with - # that OS release. - - if 'ARCHFLAGS' in os.environ: - arch = os.environ['ARCHFLAGS'] - for key in ('LDFLAGS', 'BASECFLAGS', - # a number of derived variables. These need to be - # patched up as well. - 'CFLAGS', 'PY_CFLAGS', 'BLDSHARED'): - - flags = _config_vars[key] - flags = re.sub('-arch\s+\w+\s', ' ', flags) - flags = flags + ' ' + arch - _config_vars[key] = flags + import _osx_support + _osx_support.customize_config_vars(_config_vars) if args: vals = [] |