[issue35257] Avoid leaking linker flags into distutils: add PY_LDFLAGS_NODIST

[STINNER Victor]

STINNER Victor <vstinner at redhat.com> added the comment:

There are multiple ways to configure and build Python, we should try most combinations:

* ./configure --enable-shared
* ./configure --with-lto
* ./configure --enable-optimizations
* make profile-opt
* make
* Maybe also: make install

Test:

* Build Python and make sure that python binary and C extensions (of the stdlib) are compiled with LTO
* python-config --cflags and python-config --ldflags don't leak LTO flags
* Build a C extension (Pillow) and check that there is no LTO flag in the command lines

I'm not how to test cross-compilation :-(

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue35257>
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