bazel: add bazel_jdk10 variant

pkgs/development/tools/build-managers/bazel/default.nix

@@ -1,11 +1,13 @@
 { stdenv, lib, fetchurl, fetchpatch, runCommand, makeWrapper
 , jdk, zip, unzip, bash, writeCBin, coreutils
 , which, python, perl, gnused, gnugrep, findutils
+# Apple dependencies
+, cctools, clang, libcxx, CoreFoundation, CoreServices, Foundation
+# Allow to independently override the jdks used to build and run respectively
+, buildJdk ? jdk, runJdk ? jdk
 # Always assume all markers valid (don't redownload dependencies).
 # Also, don't clean up environment variables.
 , enableNixHacks ? false
-# Apple dependencies
-, cctools, clang, libcxx, CoreFoundation, CoreServices, Foundation
 }:
 
 let
@@ -152,7 +154,7 @@ stdenv.mkDerivation rec {
      + genericPatches;
 
   buildInputs = [
-    jdk
+    buildJdk
   ];
 
   nativeBuildInputs = [
@@ -190,7 +192,7 @@ stdenv.mkDerivation rec {
   installPhase = ''
     mkdir -p $out/bin
     mv output/bazel $out/bin
-    wrapProgram "$out/bin/bazel" --set JAVA_HOME "${jdk}"
+    wrapProgram "$out/bin/bazel" --set JAVA_HOME "${runJdk}"
     mkdir -p $out/share/bash-completion/completions $out/share/zsh/site-functions
     mv output/bazel-complete.bash $out/share/bash-completion/completions/bazel
     cp scripts/zsh_completion/_bazel $out/share/zsh/site-functions/

pkgs/top-level/all-packages.nix

@@ -7954,6 +7954,11 @@ with pkgs;
     inherit (darwin) cctools;
     inherit (darwin.apple_sdk.frameworks) CoreFoundation CoreServices Foundation;
   };
+  bazel_jdk10 = callPackage ../development/tools/build-managers/bazel {
+    inherit (darwin) cctools;
+    inherit (darwin.apple_sdk.frameworks) CoreFoundation CoreServices Foundation;
+    runJdk = jdk10;
+  };
 
   bazel-buildtools = callPackage ../development/tools/build-managers/bazel/buildtools { };
   buildifier = bazel-buildtools;