}

    private static Map<String, String> adoptOpenJDK(String version) {
        ['java.home': "java-home",
         'java.version': version,
         'java.vendor': "AdoptOpenJDK",
         'os.arch': "x86_64",
         'java.vm.name': "OpenJDK 64-Bit Server VM",
         'java.vm.version': "${version}+7",
         'java.vm.vendor': "AdoptOpenJDK",
         'java.runtime.name': "OpenJDK Runtime Environment",

        if: steps.avd-cache.outputs.cache-hit != 'true'
        uses: reactivecircus/android-emulator-runner@v2
        with:
          api-level: ${{ matrix.api-level }}
          arch: ${{ matrix.api-level == '34' && 'x86_64' || 'x86' }}
          force-avd-creation: false
          emulator-options: -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
          disable-animations: false

        "//tensorflow:ios_x86_64": "x86_64-apple-ios",
        "//tensorflow:linux_ppc64le": "ppc64le-ibm-linux-gnu",
        "//tensorflow:linux_aarch64": "aarch64-none-linux-gnu",
        "//tensorflow:macos_x86_64": "x86_64-none-darwin",
        "//tensorflow:macos_arm64": "aarch64-none-darwin",
        "//tensorflow:windows": "x86_64-none-windows",
        "//tensorflow:linux_s390x": "systemz-none-linux-gnu",

            rootProject.name = 'app'
        """
        buildFile << """
            apply plugin: 'cpp-application'

            application {
                targetMachines = [machines.host().x86, machines.host().x86_64]
            }
        """
        def headerDir = file('src/main/headers')
        def src1 = file('src/main/cpp/app.cpp').createFile()
        def src2 = file('src/main/cpp/app-impl.cpp').createFile()

        when:

        def e = thrown(NoToolchainAvailableException)
        e.message == "Cannot find a Java installation on your machine matching this tasks requirements: {languageVersion=12, vendor=any, implementation=vendor-specific} for LINUX on x86_64."
        e.cause.message == "Configured toolchain download repositories can't match requested specification"
    }

    def "returns current JVM toolchain if requested"() {
        given:

        }

        protected String getArch() {
            String arch = System.getProperty("os.arch");
            if ("x86".equals(arch)) {
                arch = "i386";
            }
            if ("x86_64".equals(arch)) {
                arch = "amd64";
            }
            if ("powerpc".equals(arch)) {
                arch = "ppc";
            }
            return arch;
        }

     | Vendor:             AdoptOpenJDK
     | Architecture:       x86_64
     | Is JDK:             true
     | Detected by:        environment variable 'JDK16'

 + Oracle JDK 1.7.0_80
     | Location:           /Library/Java/JavaVirtualMachines/jdk1.7.0_80.jdk/Contents/Home/jre
     | Language Version:   7
     | Vendor:             Oracle
     | Architecture:       x86_64
     | Is JDK:             false

  LLVMInitializeX86Target();
  LLVMInitializeX86TargetInfo();
  LLVMInitializeX86TargetMC();
  LLVMInitializeX86AsmPrinter();

  CodegenOpts opts;
  opts.class_name = "MyClass";
  opts.target_triple = "x86_64-pc-linux";
  opts.namespaces = {"foo", "bar"};
  opts.gen_name_to_index = true;
  opts.gen_program_shape = true;
  tf2xla::Config config;
  tf2xla::Feed* feed = config.add_feed();

  case "$(uname -m)" in
      x86_64*)
        host_arch=amd64
        corefile_tool_SHA="686792ec91ad52e0761839845c7e09e02234c959b5c459b2cd358d24474c5c66"
        ;;
      i?86_64*)
        host_arch=amd64
        corefile_tool_SHA="686792ec91ad52e0761839845c7e09e02234c959b5c459b2cd358d24474c5c66"
        ;;
      amd64*)

Kotlin:       1.3.72
Groovy:       2.5.11
Ant:          Apache Ant(TM) version 1.10.7 compiled on September 1 2019
JVM:          14 (AdoptOpenJDK 14+36)
OS:           Mac OS X 10.15.2 x86_64
----

If not, here are some things you might see instead.

=== Command not found: gradle

If you get "command not found: gradle", you must ensure that Gradle is correctly added to your `PATH`.