| Extensions should be installed to the targets libdir. This is important if e.g. host |
| has a 64bit /usr/lib64, but the target is 32bit and has $ROOT/usr/lib. Make sure we |
| respect the target's lib structure by getting the libdir name from Makefile. |
| |
| --- a/Lib/distutils/command/build_ext.py |
| +++ b/Lib/distutils/command/build_ext.py |
| @@ -239,7 +239,8 @@ class build_ext(Command): |
| if (sysconfig.get_config_var('Py_ENABLE_SHARED')): |
| if not sysconfig.python_build: |
| # building third party extensions |
| - self.library_dirs.append(sysconfig.get_config_var('LIBDIR')) |
| + sysroot = os.getenv('SYSROOT', '') |
| + self.library_dirs.append(sysroot + sysconfig.get_config_var('LIBDIR')) |
| else: |
| # building python standard extensions |
| self.library_dirs.append('.') |
| --- a/Lib/distutils/command/install.py |
| +++ b/Lib/distutils/command/install.py |
| @@ -29,8 +29,8 @@ WINDOWS_SCHEME = { |
| |
| INSTALL_SCHEMES = { |
| 'unix_prefix': { |
| - 'purelib': '$base/@@GENTOO_LIBDIR@@/python$py_version_short/site-packages', |
| - 'platlib': '$platbase/@@GENTOO_LIBDIR@@/python$py_version_short/site-packages', |
| + 'purelib': '$base/$libdirname/python$py_version_short/site-packages', |
| + 'platlib': '$platbase/$libdirname/python$py_version_short/site-packages', |
| 'headers': '$base/include/python$py_version_short$abiflags/$dist_name', |
| 'scripts': '$base/bin', |
| 'data' : '$base', |
| @@ -311,6 +311,7 @@ class install(Command): |
| # everything else. |
| self.config_vars['base'] = self.install_base |
| self.config_vars['platbase'] = self.install_platbase |
| + self.config_vars['libdirname'] = self.install_libdirname |
| |
| if DEBUG: |
| from pprint import pprint |
| @@ -425,6 +426,10 @@ class install(Command): |
| |
| self.install_base = self.prefix |
| self.install_platbase = self.exec_prefix |
| + self.install_libdirname = os.path.basename(get_config_vars('LIBDIR')[0]) |
| + if self.install_libdirname is None: |
| + self.install_libdirname = '@@GENTOO_LIBDIR@@' |
| + |
| self.select_scheme("unix_prefix") |
| |
| def finalize_other(self): |
| --- a/Lib/distutils/sysconfig.py |
| +++ b/Lib/distutils/sysconfig.py |
| @@ -16,11 +16,18 @@ import sys |
| from .errors import DistutilsPlatformError |
| |
| # These are needed in a couple of spots, so just compute them once. |
| +SYSROOT = os.getenv('SYSROOT', '') |
| 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) |
| |
| +# Make sure we respect the user specified SYSROOT environment variable. |
| +# This is the first step to get distutils to crosscompile stuff. |
| +if SYSROOT: |
| + PREFIX = os.path.normpath(SYSROOT + os.path.sep + PREFIX) |
| + EXEC_PREFIX = os.path.normpath(SYSROOT + os.path.sep + 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. |
| @@ -133,6 +140,12 @@ def get_python_lib(plat_specific=0, standard_lib=0, prefix=None): |
| |
| If 'prefix' is supplied, use it instead of sys.base_prefix or |
| sys.base_exec_prefix -- i.e., ignore 'plat_specific'. |
| + |
| + For the posix system we can not always assume the host's notion of the |
| + libdir is the same for the target. e.g. compiling on an x86_64 system |
| + will use 'lib64' but an arm 32bit target will use 'lib'. So encode all |
| + the known lists of dirs and search them all (starting with the host one |
| + so that native builds work just fine). |
| """ |
| if prefix is None: |
| if standard_lib: |
| @@ -141,8 +154,19 @@ def get_python_lib(plat_specific=0, standard_lib=0, prefix=None): |
| prefix = plat_specific and EXEC_PREFIX or PREFIX |
| |
| if os.name == "posix": |
| - libpython = os.path.join(prefix, |
| - "@@GENTOO_LIBDIR@@", "python" + get_python_version()) |
| + # Search known Gentoo vars first. |
| + libpython = None |
| + if SYSROOT: |
| + abi = os.environ.get('ABI') |
| + libdir = os.environ.get('LIBDIR_%s' % abi) |
| + if libdir: |
| + libpython = os.path.join(prefix, libdir, "python" + get_python_version()) |
| + if not libpython: |
| + # Fallback to hardcoded search. |
| + for libdir in ['@@GENTOO_LIBDIR@@', 'lib64', 'lib32', 'libx32', 'lib']: |
| + libpython = os.path.join(prefix, libdir, "python" + get_python_version()) |
| + if os.path.exists(libpython): |
| + break |
| if standard_lib: |
| return libpython |
| else: |
