58 lines
2.2 KiB
Nix
58 lines
2.2 KiB
Nix
|
{ lib, pkgs, ... }: { ... }@attrs: let
|
||
|
|
stdenv' = attrs.stdenv or attrs.baseStdenv;
|
||
|
|
pkgs' = attrs.pkgs or attrs.buildPackages;
|
||
|
|
|
||
|
|
inherit (pkgs') stdenv;
|
||
|
|
inherit (stdenv) buildPlatform hostPlatform targetPlatform;
|
||
|
|
inherit (stdenv.cc) isClang nativePrefix targetPrefix;
|
||
|
|
inherit (stdenv.cc.bintools) isLLVM;
|
||
|
|
|
||
|
|
inherit (lib) optionals optionalAttrs toList;
|
||
|
|
in pkgs.addAttrsToDerivation (prevAttrs: let
|
||
|
|
ffpContract = prevAttrs.ffpContract or true;
|
||
|
|
autoVarInit = prevAttrs.autoVarInit or null;
|
||
|
|
boundsCheck = prevAttrs.boundsCheck or false;
|
||
|
|
overrideAlloc = prevAttrs.overrideAlloc or true;
|
||
|
|
|
||
|
|
cflags = [ "-pipe" "-fno-semantic-interposition" ]
|
||
|
|
++ optionals (isClang && ffpContract) [ "-ffp-contract=fast-honor-pragmas" ]
|
||
|
|
++ optionals isLLVM [ "-flto" ]
|
||
|
|
++ optionals (autoVarInit != null) [ "-ftrivial-auto-var-init=${autoVarInit}" ]
|
||
|
|
++ optionals boundsCheck [ "-fsanitize-trap=bounds,object-size,vla-bound" ];
|
||
|
|
|
||
|
|
ldflags = [ "-O2" "--hash-style=gnu" ]
|
||
|
|
++ optionals isLLVM [ "--icf=safe" "--lto-O2" ]
|
||
|
|
++ optionals overrideAlloc [ "-lmimalloc" ];
|
||
|
|
|
||
|
|
rustflags = [
|
||
|
|
"-C" "opt-level=2"
|
||
|
|
"-C" "linker-flavor=ld.lld"
|
||
|
|
"-C" "lto"
|
||
|
|
"-C" "linker-plugin-lto"
|
||
|
|
"-C" "target-cpu=${targetPlatform.gcc.arch}"
|
||
|
|
"-C" "link-arg=-O2"
|
||
|
|
"-C" "link-arg=--hash-style=gnu"
|
||
|
|
"-C" "link-arg=--icf=safe"
|
||
|
|
"-C" "link-arg=--lto-O2"
|
||
|
|
] ++ optionals overrideAlloc [ "-C" "link-arg=-lmimalloc" ];
|
||
|
|
|
||
|
|
goflags = [ "-ldflags=-linkmode=external" ];
|
||
|
|
in {
|
||
|
|
buildInputs = prevAttrs.buildInputs or [ ]
|
||
|
|
++ optionals overrideAlloc [ pkgs.mimalloc ];
|
||
|
|
|
||
|
|
env = prevAttrs.env or { }
|
||
|
|
// optionalAttrs (prevAttrs ? env.NIX_CFLAGS_COMPILE)
|
||
|
|
{ NIX_CFLAGS_COMPILE = toList prevAttrs.env.NIX_CFLAGS_COMPILE or [ ] ++ cflags |> toString; }
|
||
|
|
// optionalAttrs (prevAttrs ? env.NIX_LDFLAGS)
|
||
|
|
{ NIX_LDFLAGS = toList prevAttrs.env.NIX_LDFLAGS or [ ] ++ ldflags |> toString; };
|
||
|
|
|
||
|
|
NIX_RUSTFLAGS = toList prevAttrs.NIX_RUSTFLAGS or [ ] ++ rustflags;
|
||
|
|
GOFLAGS = toList prevAttrs.NIX_GOFLAGS or [ ] ++ goflags;
|
||
|
|
}
|
||
|
|
// optionalAttrs (!prevAttrs ? env.NIX_CFLAGS_COMPILE)
|
||
|
|
{ NIX_CFLAGS_COMPILE = toList prevAttrs.NIX_CFLAGS_COMPILE or [ ] ++ cflags; }
|
||
|
|
// optionalAttrs (!prevAttrs ? env.NIX_LDFLAGS)
|
||
|
|
{ NIX_LDFLAGS = toList prevAttrs.NIX_LDFLAGS or [ ] ++ ldflags; }
|
||
|
|
) stdenv';
|