56 lines
2 KiB
Nix
56 lines
2 KiB
Nix
{ ... }: pkgs: stdenv:
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let
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inherit (lib) optionalAttrs optionals toList;
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inherit (pkgs) lib;
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inherit (stdenv) targetPlatform;
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in pkgs.addAttrsToDerivation (prevAttrs: let
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overrideAlloc = prevAttrs.overrideAlloc or true;
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inputs = optionals overrideAlloc [ pkgs.mimalloc ];
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cflagsE = [ "-flto" ];
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cflagsC = [ "-pipe" ];
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cflagsL = [ "-fuse-ld=lld" ];
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ldflags = [
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"-O2"
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"--hash-style=gnu"
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"--icf=safe"
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"--lto-O2"
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] ++ optionals overrideAlloc [ "-lmimalloc" ];
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rustflags = [
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"-C" "opt-level=2"
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"-C" "linker-flavor=ld.lld"
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"-C" "lto"
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"-C" "linker-plugin-lto"
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] ++ optionals (targetPlatform.isx86_64 && targetPlatform ? gcc.arch) [
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"-C" "target-cpu=${targetPlatform.gcc.arch}"
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] ++ (map (flag: [ "-C" "link-arg=${flag}" ]) ldflags |> lib.flatten);
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goflags = [ "-ldflags=-linkmode=external" ];
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in {
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buildInputs = prevAttrs.buildInputs or [ ] ++ inputs;
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env = prevAttrs.env or { } // optionalAttrs (!prevAttrs ? CFLAGS) {
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CFLAGS = toList prevAttrs.CFLAGS or [ ] ++ cflagsE |> toString;
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} // optionalAttrs (!prevAttrs ? NIX_CFLAGS_COMPILE) {
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NIX_CFLAGS_COMPILE = toList prevAttrs.env.NIX_CFLAGS_COMPILE or [ ] ++ cflagsC |> toString;
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} // optionalAttrs (!prevAttrs ? NIX_CFLAGS_LINK) {
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NIX_CFLAGS_LINK = toList prevAttrs.env.NIX_CFLAGS_LINK or [ ] ++ cflagsL |> toString;
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} // optionalAttrs (prevAttrs ? env.NIX_LDFLAGS) {
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NIX_LDFLAGS = toList prevAttrs.NIX_LDFLAGS or [ ] ++ ldflags |> toString;
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};
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NIX_RUSTFLAGS = prevAttrs.NIX_RUSTFLAGS or [ ] ++ rustflags;
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GOFLAGS = prevAttrs.GOFLAGS or [ ] ++ goflags;
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} // optionalAttrs (prevAttrs ? CFLAGS) {
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CFLAGS = toList prevAttrs.CFLAGS or [ ] ++ cflagsE;
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} // optionalAttrs (prevAttrs ? NIX_CFLAGS_COMPILE) {
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NIX_CFLAGS_COMPILE = toList prevAttrs.NIX_CFLAGS_COMPILE or [ ] ++ cflagsC;
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} // optionalAttrs (prevAttrs ? NIX_CFLAGS_LINK) {
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NIX_CFLAGS_LINK = toList prevAttrs.NIX_CFLAGS_LINK or [ ] ++ cflagsL;
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} // optionalAttrs (!prevAttrs ? env.NIX_LDFLAGS) {
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NIX_LDFLAGS = toList prevAttrs.NIX_LDFLAGS or [ ] ++ ldflags;
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}) stdenv
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