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Revert #110 to fix iOS cross-compilation after #158. Fixes #173 #176

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merged 4 commits into from
Mar 23, 2023

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@luser luser commented Jan 27, 2023

In #158, better support for using CMake's cross-compilation facilities was added. This made the workaround added in #110 for iOS not only unnecessary, but actively harmful, in that it runs afoul of SDK validation checks in the CMake iOS codepath.

This PR removes the workaround (reverting #110) and also adds a CI job to test an iOS cross-compile.

luser added 3 commits January 27, 2023 09:14
…Fixes rust-lang#173

In rust-lang#158, better support for using CMake's cross-compilation facilities was
added. This made the workaround added in rust-lang#110 for iOS not only unnecessary,
but actively harmful, in that it runs afoul of SDK validation checks in the
CMake iOS codepath.
@luser luser changed the title add an iOS cross-compile test to CI Revert #110 to fix iOS cross-compilation after #158. Fixes #173 Jan 27, 2023
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luser commented Jan 27, 2023

I pushed the CI change without the revert, and it failed which was good because it reproduced the problem:
https://github.com/luser/cmake-rs/actions/runs/4025276950/jobs/6918367203

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luser commented Jan 27, 2023

The iOS cross-compile job succeeds in CI now.

.github/workflows/main.yml Outdated Show resolved Hide resolved
Comment on lines +98 to +101
- uses: actions-rs/toolchain@v1
with:
toolchain: stable
target: ${{ matrix.platform.target }}
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Do not use actions-rs as it's currently unmaintained and has some deprecation warnings that mean the workflow won't work at some point. In this case just invoking rustup with run should be sufficient.

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Ah, it seems this was brought by the current config, it's fine then. I'm going to fix it later along with others, so feel free to leave them as-is!

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Thanks, I just copy/pasted from the existing config for consistency. It's a separate job because I couldn't tell if the cross tool would work on macOS from a brief look at it.

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CI config LGTM!

Comment on lines +106 to +107
# If this isn't specified the default is iOS 7, for which zlib-ng will not compile due to the lack of thread-local storage.
IPHONEOS_DEPLOYMENT_TARGET: 16
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Just curious: does this mean iOS 16 would be the minimum supported version?

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For this compilation, yes. I didn't feel like actually trying to figure out what the minimum version of iOS that zlib-ng could build for was, so I just used iOS 16 since that's the current SDK. This won't affect any users of the crate, it's just for compiling zlib-sys in CI here.

Co-authored-by: Yuki Okushi <[email protected]>
@thomcc thomcc merged commit 9e1614b into rust-lang:master Mar 23, 2023
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3 participants