qt6.qtwebengine: fix QtWebEngine build crash #264497
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QtWebEngine tries to build with clang 14, which links libc++ 14, but the top-level libc++ on Dariwn is libc++ 16. This results in a crash during the build, which is fixed by building with the default stdenv.
Specify a deployment target of 10.13 to avoid errors due to clang’s having a hard-coded check for 10.13 when using them (even though it implements them with `posix_memalign`, which is available on earlier versions of macOS).
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Description of changes
QtWebEngine tries to build with clang 14, which links libc++ 14, but the top-level libc++ on Dariwn is libc++ 16. This results in a crash during the build, which is fixed by building with the default stdenv.
This PR also updates the deployment target to support aligned allocations on x86_64-darwin. This includes an update to
overrideSDKto override xcbuild automatically with the requested SDK version and deployment target.Note that this is not yet failing to build on staging-next yet because it depends on nodejs_18, which does not build, but it is expected to crash once #263847 is merged into staging-next #263535.
Things done
nix.conf? (See Nix manual)sandbox = relaxedsandbox = truenix-shell -p nixpkgs-review --run "nixpkgs-review rev HEAD". Note: all changes have to be committed, also see nixpkgs-review usage./result/bin/)