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bpo-44133: Export Py_FrozenMain() symbol #26130

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vstinner wants to merge 1 commit into from
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bpo-44133: Export Py_FrozenMain() symbol #26130

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5 changes: 5 additions & 0 deletions 5 Doc/whatsnew/3.11.rst
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Expand Up @@ -103,6 +103,11 @@ Optimizations
Build Changes
=============

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


Deprecated
==========
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2 changes: 1 addition & 1 deletion 2 Makefile.pre.in
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Expand Up @@ -587,7 +587,7 @@ clinic: check-clean-src $(srcdir)/Modules/_blake2/blake2s_impl.c

# Build the interpreter
$(BUILDPYTHON): Programs/python.o $(LIBRARY_DEPS)
$(LINKCC) $(PY_CORE_LDFLAGS) $(LINKFORSHARED) -o $@ Programs/python.o $(BLDLIBRARY) $(LIBS) $(MODLIBS) $(SYSLIBS)
$(LINKCC) $(PY_CORE_LDFLAGS) $(LINKFORSHARED) -o $@ Programs/python.o -Wl,--whole-archive $(BLDLIBRARY) -Wl,--no-whole-archive $(LIBS) $(MODLIBS) $(SYSLIBS)
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pablogsal marked this conversation as resolved.

platform: $(BUILDPYTHON) pybuilddir.txt
$(RUNSHARED) $(PYTHON_FOR_BUILD) -c 'import sys ; from sysconfig import get_platform ; print("%s-%d.%d" % (get_platform(), *sys.version_info[:2]))' >platform
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4 changes: 4 additions & 0 deletions 4 Misc/NEWS.d/next/Build/2021-05-14-19-02-04.bpo-44133.XnroKM.rst
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@@ -0,0 +1,4 @@
The Python binary now builds the libpython static library using
``-Wl,--whole-archive`` linker option to export all symbols exported by
object files. Previously, the ``Py_FrozenMain`` symbol was not exported.
Patch by Victor Stinner.
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