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TST: enable --fatal-meson-warnings for all tests #768

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@dnicolodi dnicolodi commented Jun 14, 2025

The test packages also work as examples. I think it is better to make sure that they are as correct as possible.

@dnicolodi dnicolodi force-pushed the meson-fatal-warnings branch 3 times, most recently from 2725c98 to 0173a9c Compare June 14, 2025 16:50
c = '{arch}-apple-{subsystem}-clang'
cpp = '{arch}-apple-{subsystem}-clang++'
objc = '{arch}-apple-{subsystem}-clang'
objcpp = '{arch}-apple-{subsystem}-clang++'
ar = '{arch}-apple-{subsystem}-ar'
strip = ['strip', '-arch', {arch!r}]
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@freakboy3742 Can you please verify that this is correct? I have no experience with building for iOS. Thanks!

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This will be a valid invocation for strip; but I've never needed to call strip on any iOS program, so I'm not sure where I'd be looking to verify this works. Have you got an example in mind that would be using this?

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@dnicolodi dnicolodi Jun 16, 2025

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Thanks! Maybe calling strip in this way and checking that the resulting binary is still working would be a way to verify that this does something that at least is not harmful. The reason I'm adding this is that, without it, meson emits a warning https://github.com/mesonbuild/meson-python/actions/runs/15653996265/job/44102572727#step:10:1105

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Understood - I'll investigate and report back shortly (likely tomorrow my time, at this point)

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I think the correct way to get to the strip utility is to run something like xcrun --sdk iphoneos -f strip. The system strip may not work for iOS binaries.

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There are still test failures. These are the tests where we set the RPATH via explicit linker arguments. We stop doing that in #724 thus I don't think it is necessary to find a way to allow these warnings to do not make the tests fail.

@dnicolodi dnicolodi force-pushed the meson-fatal-warnings branch from 0173a9c to d674d94 Compare June 14, 2025 17:02
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