Joseph Doherty
23 lines
1.2 KiB
TOML
23 lines
1.2 KiB
TOML
# MSVC-only: bump the default 1 MB Windows stack to 8 MB. clap-derive builds
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# a large Command enum in this CLI (one variant per subcommand, each carrying
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# flag args); in debug builds the enum is materialized on the stack without
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# optimization and overflows the default Windows main-thread stack before
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# even reaching our code.
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#
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# The /STACK: link-arg goes into the PE header's IMAGE_OPTIONAL_HEADER.
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# SizeOfStackReserve at link time and applies to both debug and release
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# builds — release artifacts ship with the same 8 MB stack reservation. At
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# runtime the optimizer elides the enum from the stack frame, so release
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# builds would not overflow without this setting; it is kept on for them so
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# both build flavours produce binaries with identical stack metadata.
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#
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# `/STACK:` is an MSVC-linker (`link.exe` / `lld-link`) directive. The
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# `target_env = "msvc"` selector below scopes the rustflag to the MSVC
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# toolchain so `x86_64-pc-windows-gnu` (mingw) builds, which route link
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# args through the GNU linker and reject `/STACK:`, are unaffected.
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[target.'cfg(all(windows, target_env = "msvc"))']
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rustflags = ["-C", "link-arg=/STACK:8388608"]
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[registries.dohertj2-gitea]
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index = "sparse+https://gitea.dohertylan.com/api/packages/dohertj2/cargo/"
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