experiments in a post-browser web
build(ios): pin IPHONEOS_DEPLOYMENT_TARGET=16.0 for cargo iOS builds
cc-compiled object files inside libpeek_core.a, e.g. sqlite3.o from rusqlite, defaulted to the current iOS SDK (26.x) instead of the project iOS 16.0 deployment target — Xcode emits "Object file was built for newer iOS version than being linked" warnings during archive.
Sets the env var via .cargo/config.toml [env] in both the src-tauri and peek-core crates so it covers direct cargo invocations and tauri ios build, plus an explicit export in build-xcframework.sh as belt-and-suspenders for the script-driven path.
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backend/tauri-mobile/peek-core/.cargo/config.toml
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backend/tauri-mobile/peek-core/.cargo/config.toml
···
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# Pin the iOS deployment target for cc-compiled object files (e.g. sqlite3.o
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# from rusqlite) so they match the Xcode project iOS 16.0 target
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# (see src-tauri/gen/apple/project.yml deploymentTarget.iOS = 16.0).
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#
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# Without this, cc defaults to the current SDK (e.g. 26.x) and Xcode emits
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# "Object file was built for newer iOS version than being linked" warnings
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# when the resulting libpeek_core.a is linked into the app target.
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#
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# Mirrored in build-xcframework.sh as belt-and-suspenders. [env] covers
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# any direct cargo invocation in this crate too.
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[env]
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IPHONEOS_DEPLOYMENT_TARGET = "16.0"
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backend/tauri-mobile/peek-core/build-xcframework.sh
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backend/tauri-mobile/peek-core/build-xcframework.sh
···
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SIM_TARGET="aarch64-apple-ios-sim"
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DEVICE_TARGET="aarch64-apple-ios"
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# Match the Xcode project iOS deployment target (see src-tauri/gen/apple/project.yml
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# deploymentTarget.iOS = 16.0) so cc-compiled objects inside the static lib
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# (e.g. sqlite3.o from rusqlite) do not emit "built for newer iOS version" linker
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# warnings when Xcode links them into the app target.
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export IPHONEOS_DEPLOYMENT_TARGET=16.0
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SIM_ONLY=false
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if [[ "${1:-}" == "--sim" ]]; then
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SIM_ONLY=true
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backend/tauri-mobile/src-tauri/.cargo/config.toml
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backend/tauri-mobile/src-tauri/.cargo/config.toml
···
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# Android 16KB page alignment is handled in build.rs and peek-core/build.rs
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# via cargo:rustc-link-arg. This file is intentionally minimal because
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# the Tauri CLI sets CARGO_ENCODED_RUSTFLAGS which overrides rustflags here.
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# Pin the iOS deployment target for cc-compiled object files (e.g. sqlite3.o
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# from rusqlite) so they match the Xcode project iOS 16.0 target. Without
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# this, cc defaults to the current SDK (e.g. 26.x) and Xcode emits
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# "Object file was built for newer iOS version than being linked" warnings.
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# [env] is the most reliable place for this — it covers both our shell
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# scripts and "tauri ios build" invoked by build-archive.sh, and is not
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# affected by CARGO_ENCODED_RUSTFLAGS.
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[env]
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IPHONEOS_DEPLOYMENT_TARGET = "16.0"