Andrew Aladjev <[email protected]> added the comment:
I've made a quick test of all patches provided. All patches have failed to fix
it. The problem is more heavy than it looks like.
Please look at the following code:
PYTHON_FOR_BUILD='_PYTHON_PROJECT_BASE=$(abs_builddir)
_PYTHON_HOST_PLATFORM=$(_PYTHON_HOST_PLATFORM) PYTHONPATH=$(shell test -f
pybuilddir.txt && echo $(abs_builddir)/`cat pybuilddir.txt`:)$(srcdir)/Lib
_PYTHON_SYSCONFIGDATA_NAME=_sysconfigdata_$(ABIFLAGS)_$(MACHDEP)_$(MULTIARCH)
'${EPYTHON_FOR_BUILD:-${interp}}
It means that we will use "interp" to load cross compiled modules, env, etc
from "_PYTHON_PROJECT_BASE". This code is broken by design. Loading of cross
compiled modules, env, etc is not possible in general. For example you have
different libc: glibc, musl, uclibc.
glibc -> cross compile -> glibc = loads fine.
musl -> cross compile -> musl = loads fine.
uclibc -> cross compile -> uclibc = loads fine.
glibc -> cross compile -> musl = failed to load.
glibc -> cross compile -> uclibc = failed to load.
musl -> cross compile -> glibc = failed to load.
musl -> cross compile -> uclibc = failed to load.
uclibc -> cross compile -> glibc = failed to load.
uclibc -> cross compile -> musl = failed to load.
Cross compilation doesn't mean only another arch, it means different libc,
kernel headers, binutils and compiler. You will receive same issue while using
clang toolchains.
Please assign this issue to python core developers. This issue can't be fixed
by regular users without experience in python development. It requires complete
change of cross compilation design.
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Python tracker <[email protected]>
<https://bugs.python.org/issue22724>
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