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| author | Alex Crichton <alex@alexcrichton.com> | 2016-04-25 13:39:05 -0700 |
|---|---|---|
| committer | Alex Crichton <alex@alexcrichton.com> | 2016-04-27 09:28:48 -0700 |
| commit | c31e2e77ed955faafffe7b22859f045cc1e5deec (patch) | |
| tree | f5e315e9518b6c78f18b40a55d70bcc0da86db56 /src/libsyntax/errors | |
| parent | cfae4dea875ddcc5f23481106a149ea15b6be1e5 (diff) | |
| download | rust-c31e2e77ed955faafffe7b22859f045cc1e5deec.tar.gz rust-c31e2e77ed955faafffe7b22859f045cc1e5deec.zip | |
std: Add compatibility with android-9
The Gecko folks currently use Android API level 9 for their builds, so they're requesting that we move back our minimum supported API level from 18 to 9. Turns out, ABI-wise at least, there's not that many changes we need to take care of. The `ftruncate64` API appeared in android-12 and the `log2` and `log2f` APIs appeared in android-18. We can have a simple shim for `ftruncate64` which falls back on `ftruncate` and the `log2` function can be approximated with just `ln(f) / ln(2)`. This should at least get the standard library building on API level 9, although the tests aren't quite happening there just yet. As we seem to be growing a number of Android compatibility shims, they're now centralized in a common `sys::android` module.
Diffstat (limited to 'src/libsyntax/errors')
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