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gaoyang3513
2022-10-31 22:18:58 +08:00
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package/python3/0004-Adjust-library-header-paths-for-cross-compilation.patch Normal file
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@ -0,0 +1,69 @@
From 61af65485f1dade4aa08d0cf2b24082aeda24c51 Mon Sep 17 00:00:00 2001
From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Date: Wed, 23 Dec 2015 11:33:14 +0100
Subject: [PATCH] Adjust library/header paths for cross-compilation
When cross-compiling third-party extensions, the get_python_inc() or
get_python_lib() can be called, to return the path to headers or
libraries. However, they use the sys.prefix of the host Python, which
returns incorrect paths when cross-compiling (paths pointing to host
headers and libraries).
In order to fix this, we introduce the _python_sysroot, _python_prefix
and _python_exec_prefix variables, that allow to override these
values, and get correct header/library paths when cross-compiling
third-party Python modules.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Adam Duskett <aduskett@gmail.com>
Refresh for 3.10.0
---
Lib/distutils/command/build_ext.py | 5 ++++-
Lib/sysconfig.py | 15 +++++++++++----
2 files changed, 15 insertions(+), 5 deletions(-)
diff --git a/Lib/distutils/command/build_ext.py b/Lib/distutils/command/build_ext.py
index 1a9bd12..3cf7d67 100644
--- a/Lib/distutils/command/build_ext.py
+++ b/Lib/distutils/command/build_ext.py
@@ -234,7 +234,10 @@ 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'))
+ libdir = sysconfig.get_config_var('LIBDIR')
+ if "_python_sysroot" in os.environ:
+ libdir = os.environ.get("_python_sysroot") + libdir
+ self.library_dirs.append(libdir)
else:
# building python standard extensions
self.library_dirs.append('.')
diff --git a/Lib/sysconfig.py b/Lib/sysconfig.py
index 95b48f6..9fb1956 100644
--- a/Lib/sysconfig.py
+++ b/Lib/sysconfig.py
@@ -123,10 +123,17 @@ _SCHEME_KEYS = ('stdlib', 'platstdlib', 'purelib', 'platlib', 'include',
_PY_VERSION = sys.version.split()[0]
_PY_VERSION_SHORT = f'{sys.version_info[0]}.{sys.version_info[1]}'
_PY_VERSION_SHORT_NO_DOT = f'{sys.version_info[0]}{sys.version_info[1]}'
-_PREFIX = os.path.normpath(sys.prefix)
-_BASE_PREFIX = os.path.normpath(sys.base_prefix)
-_EXEC_PREFIX = os.path.normpath(sys.exec_prefix)
-_BASE_EXEC_PREFIX = os.path.normpath(sys.base_exec_prefix)
+if "_python_sysroot" in os.environ:
+ _sysroot=os.environ.get('_python_sysroot')
+ _PREFIX = os.path.normpath(_sysroot + os.environ.get('_python_prefix'))
+ _EXEC_PREFIX = os.path.normpath(_sysroot + os.environ.get('_python_exec_prefix'))
+ _BASE_PREFIX = _PREFIX
+ _BASE_EXEC_PREFIX = _EXEC_PREFIX
+else:
+ _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)
_CONFIG_VARS = None
_USER_BASE = None
--
2.30.2