462122 xsimd: Do not inject our extensions without a supported architecture present
Test Plan
Build Krita with an x86-32 architecture. We do not ship any, and with Android SSE2 is part of the default, so @cgiboudeaux could you please test it?
Formalities Checklist
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I confirmed this builds. -
I confirmed Krita ran and the relevant functions work. -
I tested the relevant unit tests and can confirm they are not broken. (If not possible, don't hesitate to ask for help!) -
I made sure my commits build individually and have good descriptions as per KDE guidelines. -
I made sure my code conforms to the standards set in the HACKING file. -
I can confirm the code is licensed and attributed appropriately, and that unattributed code is mine, as per KDE Licensing Policy.