zig: split cc and bintools wrappers

pkgs/development/compilers/zig/bintools.nix

@@ -0,0 +1,36 @@
+{
+  lib,
+  stdenv,
+  zig,
+  runCommand,
+  makeWrapper,
+}:
+let
+  targetPrefix = lib.optionalString (
+    stdenv.hostPlatform != stdenv.targetPlatform
+  ) "${stdenv.targetPlatform.config}-";
+in
+runCommand "zig-bintools-${zig.version}"
+  {
+    pname = "zig-bintools";
+    inherit (zig) version meta;
+
+    nativeBuildInputs = [ makeWrapper ];
+
+    passthru = {
+      isZig = true;
+      inherit targetPrefix;
+    };
+
+    inherit zig;
+  }
+  ''
+    mkdir -p $out/bin
+    for tool in ar objcopy ranlib ld.lld; do
+      makeWrapper "$zig/bin/zig" "$out/bin/${targetPrefix}$tool" \
+        --add-flags "$tool" \
+        --run "export ZIG_GLOBAL_CACHE_DIR=\''${TMPDIR-/tmp}/zig-cache"
+    done
+
+    mv $out/bin/${targetPrefix}ld.lld $out/bin/${targetPrefix}ld
+  ''

pkgs/development/compilers/zig/cc.nix

@@ -1,76 +1,37 @@
 {
   lib,
-  wrapCCWith,
-  wrapBintoolsWith,
-  makeWrapper,
-  stdenv,
   runCommand,
-  stdenv,
-  targetPackages,
   zig,
+  stdenv,
+  makeWrapper,
 }:
-wrapCCWith {
-  cc =
-    runCommand "zig-cc-${zig.version}"
-      {
-        pname = "zig-cc";
-        inherit (zig) version meta;
-
-        nativeBuildInputs = [ makeWrapper ];
-
-        passthru.isZig = true;
-        inherit zig;
-      }
-      ''
-        mkdir -p $out/bin
-        for tool in cc c++; do
-          makeWrapper "$zig/bin/zig" "$out/bin/$tool" \
-            --add-flags "$tool" \
-            --run "export ZIG_GLOBAL_CACHE_DIR=\$(mktemp -d)"
-        done
-
-        mv $out/bin/c++ $out/bin/clang++
-        mv $out/bin/cc $out/bin/clang
-      '';
-
-  bintools =
-    let
-      targetPrefix = lib.optionalString (
-        stdenv.hostPlatform != stdenv.targetPlatform
-      ) "${stdenv.targetPlatform.config}-";
-    in
-    wrapBintoolsWith {
-      bintools =
-        runCommand "zig-bintools-${zig.version}"
-          {
-            pname = "zig-bintools";
-            inherit (zig) version meta;
-
-            nativeBuildInputs = [ makeWrapper ];
-
-            passthru = {
-              isZig = true;
-              inherit targetPrefix;
-            };
-
-            inherit zig;
-          }
-          ''
-            mkdir -p $out/bin
-            for tool in ar objcopy; do
-              makeWrapper "$zig/bin/zig" "$out/bin/${targetPrefix}-$tool" \
-                --add-flags "$tool" \
-                --run "export ZIG_GLOBAL_CACHE_DIR=\$(mktemp -d)"
-            done
-          '';
+let
+  targetPrefix = lib.optionalString (
+    stdenv.hostPlatform != stdenv.targetPlatform
+  ) "${stdenv.targetPlatform.config}-";
+in
+runCommand "zig-cc-${zig.version}"
+  {
+    pname = "zig-cc";
+    inherit (zig) version meta;
+
+    nativeBuildInputs = [ makeWrapper ];
+
+    passthru = {
+      isZig = true;
+      inherit targetPrefix;
     };
 
-  nixSupport.cc-cflags =
-    [
-      "-target"
-      "${stdenv.targetPlatform.parsed.cpu.name}-${stdenv.targetPlatform.parsed.kernel.name}-${stdenv.targetPlatform.parsed.abi.name}"
-    ]
-    ++ lib.optional (
-      stdenv.targetPlatform.isLinux && !(targetPackages.isStatic or false)
-    ) "-Wl,-dynamic-linker=${targetPackages.stdenv.cc.bintools.dynamicLinker}";
-}
+    inherit zig;
+  }
+  ''
+    mkdir -p $out/bin
+    for tool in cc c++; do
+      makeWrapper "$zig/bin/zig" "$out/bin/$tool" \
+        --add-flags "$tool" \
+        --run "export ZIG_GLOBAL_CACHE_DIR=\''${TMPDIR-/tmp}/zig-cache"
+    done
+
+    mv $out/bin/c++ $out/bin/clang++
+    mv $out/bin/cc $out/bin/clang
+  ''

pkgs/development/compilers/zig/generic.nix

@@ -4,13 +4,17 @@
   fetchFromGitHub,
   cmake,
   llvmPackages,
+  targetPackages,
   libxml2,
   zlib,
   coreutils,
   callPackage,
   version,
   hash,
   patches ? [ ],
+  overrideCC,
+  wrapCCWith,
+  wrapBintoolsWith,
 }@args:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -82,7 +86,7 @@ stdenv.mkDerivation (finalAttrs: {
   ];
 
   preBuild = ''
-    export ZIG_GLOBAL_CACHE_DIR="$TMPDIR/zig-cache";
+    export ZIG_GLOBAL_CACHE_DIR="$TMPDIR/zig-cache"
   '';
 
   # Zig's build looks at /usr/bin/env to find dynamic linking info. This doesn't
@@ -136,6 +140,29 @@ stdenv.mkDerivation (finalAttrs: {
     runHook postInstallCheck
   '';
 
+  passthru = {
+    hook = callPackage ./hook.nix { zig = finalAttrs.finalPackage; };
+
+    bintools-unwrapped = callPackage ./bintools.nix { zig = finalAttrs.finalPackage; };
+    bintools = wrapBintoolsWith { bintools = finalAttrs.finalPackage.bintools-unwrapped; };
+
+    cc-unwrapped = callPackage ./cc.nix { zig = finalAttrs.finalPackage; };
+    cc = wrapCCWith {
+      cc = finalAttrs.finalPackage.cc-unwrapped;
+      bintools = finalAttrs.finalPackage.bintools;
+      nixSupport.cc-cflags =
+        [
+          "-target"
+          "${stdenv.targetPlatform.parsed.cpu.name}-${stdenv.targetPlatform.parsed.kernel.name}-${stdenv.targetPlatform.parsed.abi.name}"
+        ]
+        ++ lib.optional (
+          stdenv.targetPlatform.isLinux && !(stdenv.targetPlatform.isStatic or false)
+        ) "-Wl,-dynamic-linker=${targetPackages.stdenv.cc.bintools.dynamicLinker}";
+    };
+
+    stdenv = overrideCC stdenv finalAttrs.finalPackage.cc;
+  };
+
   meta = {
     description = "General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software";
     homepage = "https://ziglang.org/";