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[1.10.X] Turn off debug information in C extension #4863

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[1.10.X] Turn off debug information in C extension #4863

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Commits on Dec 21, 2022

  1. Turn off debug information in C extension 

    Previously, pydantic used the default Python CFLAGS which include `-g`
(debug level 2). This is good for debugging at the C level, but it
significantly increases the size of the C extension shared library, and
is probably not needed by the vast majority of pydantic users. Thus, it
seems a better tradeoff to turn debug info off.

This can be overridden when building pydantic from source (not from PyPI
wheel) by using `CFLAGS='-O3 -g'`.

This change reduces the pydantic binary on cp310-linux-x86_64 from 31MB
(12MB wheel) to 8.9MB (3MB wheel).

Fixes pydantic#2276
    @bluetech
    bluetech committed Dec 21, 2022
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