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When built on a MIPS architecture, `_MIPS_SIM` is used to determine architecture specifics. The value is expected to match either `_ABIO32`, `_ABIN32` or `_ABI64`. In `gcc` config/mips/mips.h these values are defined as compiler `builtin_define` inside of a switch/case. That means, mips64el and mips64 architectures know about `_ABI64` but don't know about `_ABIO32` and `_ABIN32`. In turn, when CPython tries to use them in comparison, they may be undefined identifiers. In default compiler behavior, the undefined identifier will be evaluated as zero, and it will not match `_MIPS_SIM`. However, the issues pop up when `-Wundef` (or, even worse, `-Werror=undef`) compiler flag is enabled. Then suddenly it's visible as a warning or error. |
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| .. | ||
| mypy | ||
| NEWS.d | ||
| rhel7 | ||
| ACKS | ||
| externals.spdx.json | ||
| HISTORY | ||
| indent.pro | ||
| platform_triplet.c | ||
| Porting | ||
| python-config.in | ||
| python-config.sh.in | ||
| python-embed.pc.in | ||
| python.man | ||
| python.pc.in | ||
| README | ||
| README.AIX | ||
| README.valgrind | ||
| sbom.spdx.json | ||
| SpecialBuilds.txt | ||
| stable_abi.toml | ||
| svnmap.txt | ||
| valgrind-python.supp | ||
| vgrindefs | ||
Python Misc subdirectory
========================
This directory contains files that wouldn't fit in elsewhere. Some
documents are only of historic importance.
Files found here
----------------
ACKS Acknowledgements
HISTORY News from previous releases -- oldest last
indent.pro GNU indent profile approximating my C style
NEWS News for this release (for some meaning of "this")
Porting Mini-FAQ on porting to new platforms
python-config.in Python script template for python-config
python.man UNIX man page for the python interpreter
python.pc.in Package configuration info template for pkg-config
README The file you're reading now
README.AIX Information about using Python on AIX
README.valgrind Information for Valgrind users, see valgrind-python.supp
SpecialBuilds.txt Describes extra symbols you can set for debug builds
svnmap.txt Map of old SVN revs and branches to hg changeset ids,
help history-digging
valgrind-python.supp Valgrind suppression file, see README.valgrind
vgrindefs Python configuration for vgrind (a generic pretty printer)