@Override
    protected List<String> getCompilerSpecificArguments(File includeDir, File systemIncludeDir) {
        def arguments = super.getCompilerSpecificArguments(includeDir, systemIncludeDir)
        return ['-x', 'objective-c++' ] + arguments
    }

    @Override
    protected List<String> getCompilerSpecificArguments(File includeDir, File systemIncludeDir) {
        def arguments = super.getCompilerSpecificArguments(includeDir, systemIncludeDir)
        return ['-x', 'objective-c++-header' ] + arguments
    }

	if d := env.Get(EnvBlockSize, kvs.GetWithDefault(BlockSize, DefaultKVS)); d != "" {
		objectSize, err := humanize.ParseBytes(d)
		if err != nil {
			return cfg, err
		}
		cfg.BlockSize = int64(objectSize)
	}

	cfg.Endpoint = env.Get(EnvEndpoint, kvs.GetWithDefault(Endpoint, DefaultKVS))
	cfg.clnt = &http.Client{Transport: transport}

	return cfg, nil

}
        """

        and:
        helloWorldApp.writeSources(file("src/main"))

        when:
        fails "compileMainExecutableMainObjc"

        then:
        failure.assertThatCause(containsString("Objective-C is not available on the Visual C++ toolchain"))
    }

    }

    private static class ObjectiveCPCHCompileArgsTransformer extends GccCompilerArgsTransformer<ObjectiveCPCHCompileSpec> {
        @Override
        protected String getLanguage() {
            return "objective-c-header";
        }
    }

    }

    private static class ObjectiveCppPCHCompileArgsTransformer extends GccCompilerArgsTransformer<ObjectiveCppPCHCompileSpec> {
        @Override
        protected String getLanguage() {
            return "objective-c++-header";
        }
    }

import org.gradle.integtests.fixtures.SourceFile
import org.gradle.nativeplatform.fixtures.app.TestNativeComponent

class DuplicateObjectiveCBaseNamesTestApp extends TestNativeComponent{

    def plugins = ["objective-c"]
    @Override
    List<SourceFile> getSourceFiles() {
        [sourceFile("objc", "main.m", """
            #import <Foundation/Foundation.h>
            #import "foo.h"

        LinkerSpec spec = Mock(cls)
        spec.getSystemArgs() >> []
        spec.getArgs() >> []
        spec.getOutputFile() >> outputFile
        spec.getLibraries() >> []
        spec.getLibraryPath() >> []
        spec.getTargetPlatform() >> new DefaultNativePlatform("default")
        spec.getObjectFiles() >> objectFiles

    @Rule public final Sample cpp = sample(testDirProvider, 'cpp')
    @Rule public final Sample objectiveC = sample(testDirProvider, 'objective-c')
    @Rule public final Sample objectiveCpp = sample(testDirProvider, 'objective-cpp')
    @Rule public final Sample customLayout = sample(testDirProvider, 'custom-layout')
    @Rule public final Sample windowsResources = sample(testDirProvider, 'windows-resources')

import org.gradle.integtests.fixtures.SourceFile
import org.gradle.nativeplatform.fixtures.app.TestNativeComponent

class DuplicateObjectiveCppBaseNamesTestApp extends TestNativeComponent{
    def plugins = ["objective-cpp"]
    @Override
    List<SourceFile> getSourceFiles() {
        [sourceFile("objcpp", "main.mm", """
            #define __STDC_LIMIT_MACROS
            #include <stdint.h>