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bpo-44133: Export Py_FrozenMain() symbol. #29876

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shihai1991 wants to merge 3 commits into from
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bpo-44133: Export Py_FrozenMain() symbol. #29876

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0230c8b
test
shihai1991 Nov 29, 2021
b71b124
Merge branch 'main' into bpo_44133
shihai1991 Dec 1, 2021
e9e84c7
apply Christian's comment
shihai1991 Dec 5, 2021
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6 changes: 6 additions & 0 deletions 6 Doc/whatsnew/3.11.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -578,6 +578,12 @@ Build Changes
``libdb`` 3.x and 4.x are no longer supported.
(Contributed by Christian Heimes in :issue:`45747`.)

* The Python binary now builds the libpython static library using
``-Wl,--whole-archive`` or ``-Wl,-all_load`` linker option to
export all symbols exported by object files.
Previously, the ``Py_FrozenMain`` symbol was not exported.
(Contributed by Hai Shi and Victor Stinner in :issue:`44133`.)

C API Changes
=============

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5 changes: 5 additions & 0 deletions 5 Misc/NEWS.d/next/Build/2021-12-01-16-46-13.bpo-44133.TOgTVh.rst
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@@ -0,0 +1,5 @@
The Python binary now builds the libpython static library using
``-Wl,--whole-archive`` or ``-Wl,-all_load`` linker option to
export all symbols exported by object files.
Previously, the ``Py_FrozenMain`` symbol was not exported.
Patch by Hai Shi and Victor Stinner.
17 changes: 11 additions & 6 deletions 17 configure
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Expand Up @@ -6479,12 +6479,17 @@ $as_echo "#define Py_ENABLE_SHARED 1" >>confdefs.h
esac
else # shared is disabled
PY_ENABLE_SHARED=0
case $ac_sys_system in
CYGWIN*)
BLDLIBRARY='$(LIBRARY)'
LDLIBRARY='libpython$(LDVERSION).dll.a'
;;
esac
case $ac_sys_system in #(
CYGWIN*) :
BLDLIBRARY='$(LIBRARY)'
LDLIBRARY='libpython$(LDVERSION).dll.a' ;; #(
Linux*|GNU*|NetBSD*|FreeBSD*|DragonFly*|OpenBSD*|VxWorks*) :
BLDLIBRARY='-Wl,--whole-archive $(LDLIBRARY) -Wl,--no-whole-archive' ;; #(
Darwin*) :
BLDLIBRARY='-Wl,-all_load $(LDLIBRARY)' ;; #(
*) :
;;
esac
fi

if test "$cross_compiling" = yes; then
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14 changes: 8 additions & 6 deletions 14 configure.ac
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Expand Up @@ -1295,12 +1295,14 @@ if test $enable_shared = "yes"; then
esac
else # shared is disabled
PY_ENABLE_SHARED=0
case $ac_sys_system in
CYGWIN*)
BLDLIBRARY='$(LIBRARY)'
LDLIBRARY='libpython$(LDVERSION).dll.a'
;;
esac
AS_CASE([$ac_sys_system],
[CYGWIN*],
[BLDLIBRARY='$(LIBRARY)'
LDLIBRARY='libpython$(LDVERSION).dll.a'],
[Linux*|GNU*|NetBSD*|FreeBSD*|DragonFly*|OpenBSD*|VxWorks*],
[BLDLIBRARY='-Wl,--whole-archive $(LDLIBRARY) -Wl,--no-whole-archive'],
[Darwin*],
[BLDLIBRARY='-Wl,-all_load $(LDLIBRARY)'])
fi

if test "$cross_compiling" = yes; then
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