BLD: Add support for building iOS wheels #28759
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Adds iOS as a test and release target for NumPy.
This is currently a "proof of life" PR, showing work in progress (hence the draft status of the PR).
To build, it requires:
cibuildwheel.With those pre-conditions, a build will complete using:
The build will also work without the
IPHONEOS_DEPLOYMENT_TARGET, but with an unaccelerated version of blas (this is the analog of theMACOSX_DEPLOYMENT_TARGET=14.0configuration, except that there isn't a pre-compiled openBLAS for iOS to fall back on).The test suite is also being skipped at present; this is because the test suite makes extensive use of
subprocess, which isn't available on iOS. I'm still working on getting some version of the test suite to complete; but the wheels pass some simple manual tests (as exercised by the Python-support-testbed project, which BeeWare uses to do basic validation of release assets).