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bpo-21536: C extensions are no longer linked to libpython (GH-12946)

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On Unix, C extensions are no longer linked to libpython.

It is now possible to load a C extension built using a shared library
Python with a statically linked Python.

When Python is embedded, libpython must not be loaded with
RTLD_LOCAL, but RTLD_GLOBAL instead. Previously, using RTLD_LOCAL, it
was already not possible to load C extensions which were not linked
to libpython, like C extensions of the standard library built by the
"*shared*" section of Modules/Setup.

distutils, python-config and python-config.py have been modified.
This commit is contained in:
Victor Stinner 2019-04-25 20:13:10 +02:00 • committed by GitHub
parent d7befad328
commit 8c3ecc6bac
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7 changed files with 28 additions and 26 deletions
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Misc/python-config.sh.in
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@ -41,7 +41,7 @@ LIBM="@LIBM@"
LIBC="@LIBC@"
SYSLIBS="$LIBM $LIBC"
ABIFLAGS="@ABIFLAGS@"
LIBS="-lpython${VERSION}${ABIFLAGS} @LIBS@ $SYSLIBS"
LIBS="@LIBS@ $SYSLIBS"
BASECFLAGS="@BASECFLAGS@"
LDLIBRARY="@LDLIBRARY@"
OPT="@OPT@"