commit a85a699e40708b452d36c70725396ff67dc48e66 · pyrox.dev/nixpkgs

+17

pkgs/development/compilers/zig/hook.nix

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       { lib

     

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       , makeSetupHook

     

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       , zig

     

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       }:

     

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       makeSetupHook {

     

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         name = "zig-hook";

     

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         propagatedBuildInputs = [ zig ];

     

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         passthru = { inherit zig; };

     

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         meta = {

     

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           description = "A setup hook for using the Zig compiler in Nixpkgs";

     

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           inherit (zig.meta) maintainers platforms badPlatforms broken;

     

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         };

     

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       } ./setup-hook.sh

+90

pkgs/development/compilers/zig/setup-hook.sh

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       # shellcheck shell=bash disable=SC2154,SC2086

     

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       # This readonly zigDefaultBuildFlagsArray below is meant to avoid CPU feature

     

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       # impurity in Nixpkgs. However, this flagset is "unstable": it is specifically

     

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       # meant to be controlled by the upstream development team - being up to that

     

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       # team exposing or not that flags to the outside (especially the package manager

     

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       # teams).

     

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       # Because of this hurdle, @andrewrk from Zig Software Foundation proposed some

     

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       # solutions for this issue. Hopefully they will be implemented in future

     

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       # releases of Zig. When this happens, this flagset should be revisited

     

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       # accordingly.

     

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       # Below are some useful links describing the discovery process of this 'bug' in

     

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       # Nixpkgs:

     

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       # https://github.com/NixOS/nixpkgs/issues/169461

     

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       # https://github.com/NixOS/nixpkgs/issues/185644

     

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       # https://github.com/NixOS/nixpkgs/pull/197046

     

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       # https://github.com/NixOS/nixpkgs/pull/241741#issuecomment-1624227485

     

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       # https://github.com/ziglang/zig/issues/14281#issuecomment-1624220653

     

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       readonly zigDefaultFlagsArray=("-Drelease-safe=true" "-Dcpu=baseline")

     

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       function zigSetGlobalCacheDir {

     

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           ZIG_GLOBAL_CACHE_DIR=$(mktemp -d)

     

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           export ZIG_GLOBAL_CACHE_DIR

     

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       }

     

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       function zigBuildPhase {

     

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           runHook preBuild

     

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           local flagsArray=(

     

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               "${zigDefaultFlagsArray[@]}"

     

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               $zigBuildFlags "${zigBuildFlagsArray[@]}"

     

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           )

     

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           echoCmd 'build flags' "${flagsArray[@]}"

     

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           zig build "${flagsArray[@]}"

     

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           runHook postBuild

     

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       }

     

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       function zigCheckPhase {

     

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           runHook preCheck

     

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           local flagsArray=(

     

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               "${zigDefaultFlagsArray[@]}"

     

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               $zigCheckFlags "${zigCheckFlagsArray[@]}"

     

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           )

     

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           echoCmd 'check flags' "${flagsArray[@]}"

     

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           zig build test "${flagsArray[@]}"

     

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           runHook postCheck

     

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       }

     

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       function zigInstallPhase {

     

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           runHook preInstall

     

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           local flagsArray=(

     

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               "${zigDefaultFlagsArray[@]}"

     

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               $zigBuildFlags "${zigBuildFlagsArray[@]}"

     

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               $zigInstallFlags "${zigInstallFlagsArray[@]}"

     

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           )

     

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           if [ -z "${dontAddPrefix-}" ]; then

     

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               # Zig does not recognize `--prefix=/dir/`, only `--prefix /dir/`

     

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               flagsArray+=("${prefixKey:---prefix}" "$prefix")

     

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           fi

     

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           echoCmd 'install flags' "${flagsArray[@]}"

     

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           zig build install "${flagsArray[@]}"

     

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           runHook postInstall

     

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       }

     

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       addEnvHooks "$targetOffset" zigSetGlobalCacheDir

     

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       if [ -z "${dontUseZigBuild-}" ] && [ -z "${buildPhase-}" ]; then

     

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           buildPhase=zigBuildPhase

     

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       fi

     

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       if [ -z "${dontUseZigCheck-}" ] && [ -z "${checkPhase-}" ]; then

     

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           checkPhase=zigCheckPhase

     

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       fi

     

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       if [ -z "${dontUseZigInstall-}" ] && [ -z "${installPhase-}" ]; then

     

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           installPhase=zigInstallPhase

     

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       fi

pkgs/top-level/all-packages.nix

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         };

     

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         zig = zig_0_10;

     

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         zigHook = callPackage ../development/compilers/zig/hook.nix { };

     

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         zimlib = callPackage ../development/libraries/zimlib { };

     

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         zita-convolver = callPackage ../development/libraries/audio/zita-convolver { };