59 lines
2 KiB
Nix
59 lines
2 KiB
Nix
{ lib }:
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# See https://doc.rust-lang.org/cargo/reference/profiles.html
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# and https://doc.rust-lang.org/rustc/codegen-options/index.html
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# for list of options
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{
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opt-level ? "3",
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debug ? "none",
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split-debuginfo ? "off",
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strip ? "symbols",
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debug-assertions ? false,
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overflow-checks ? false,
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lto ? "fat",
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panic ? "abort",
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codegen-units ? 1,
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enableNativeOptimizations ? true,
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enableNoPIC ? false,
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additionalFlags ? []
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}:
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pkg:
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assert lib.assertOneOf "opt-level" opt-level [ "0" "1" "2" "3" "s" "z" ];
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assert lib.assertOneOf "debug" debug [ "none" "line-directives-only" "line-tables-only" "limited" "full" ];
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assert lib.assertOneOf "split-debug-info" split-debuginfo [ "off" "packed" "unpacked" ];
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assert lib.assertOneOf "strip" strip [ "none" "debuginfo" "symbols" ];
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assert lib.assertOneOf "lto" lto [ "off" "thin" "fat" ];
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assert lib.assertOneOf "panic" panic [ "unwind" "abort" ];
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assert lib.assertMsg (codegen-units > 0 && lib.mod codegen-units 1 == 0) "codegen-units must be a positive integer";
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let
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codegenOptions = [
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"opt-level=${opt-level}"
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"debuginfo=${debug}"
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"split-debuginfo=${split-debuginfo}"
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"strip=${strip}"
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"debug-assertions=${lib.boolToString debug-assertions}"
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"overflow-checks=${lib.boolToString overflow-checks}"
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"lto=${lto}"
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"panic=${panic}"
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"codegen-units=${toString codegen-units}"
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]
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++ lib.optional (lto != "off") "embed-bitcode=true" # LLVM bitcode is required for performing LTO
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++ lib.optional enableNoPIC "relocation-model=static"
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++ lib.optional enableNativeOptimizations "target-cpu=native";
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in
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pkg.overrideAttrs (finalAttrs: prevAttrs: {
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cargoBuildType = "release";
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# Disable tests with abort panic strategy. Tests can only run with unwind strategy
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# See unstable panic-abort-tests option
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doCheck = prevAttrs.doCheck && panic != "abort";
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RUSTFLAGS = (prevAttrs.RUSTFLAGS or "")
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+ lib.strings.concatMapStringsSep " " (flag: "-C ${flag}") codegenOptions
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+ " "
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+ lib.strings.concatStringsSep " " additionalFlags;
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})
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