ARROW-13108: [Python] Pyarrow 4.0.0 crashes upon import on macOS 10.13.6

[kszucs]

I think we have been building the macos wheels with the wrong SDK from the latest iteration.

I managed to force-install the requested sdk version, but the vcpkg build fails with an sdk mismatch.

cc @kou @xhochy

[github-actions]

https://issues.apache.org/jira/browse/ARROW-13108

[kszucs]

I think the issue is that we link brotli and lz4 from homebrew which built with 10.15 SDK. Investigating further.

[kszucs]

Submitted crossbow build: https://github.com/ursacomputing/crossbow/runs/2906443258
Seems like there is no sdk version mismatch warning at this time, though I still need to test the produced wheel on an older macOS.

The vcpkg seems to rebuild the dependencies, I'm also checking what can be the issue there.

[xhochy]

We can built with newer SDKs but run on older macOS versions in a lot of cases in conda-forge. Thus I'm not fully sure whether the SDK is the sole issue source. We built arrow-cpp there still with the 10.9 SDK, so this has been working fine.

[kszucs]

The solution itself works:

• verified manually on travis
• verified by the reporter

I'm going to defer the following two to follow-ups, because they consume a lot of time:

• we should ensure that this doesn't happen again silently: https://issues.apache.org/jira/browse/ARROW-13209
• ensure that vcpkg caching works properly: https://issues.apache.org/jira/browse/ARROW-13210

[kszucs]

+1, merging on green