@Override
            public boolean isSatisfiedBy(PrefixHeaderFileGenerateTask prefixHeaderFileGenerateTask) {
                return prefixHeaderFileGenerateTask.getPrefixHeaderFile().equals(sourceSet.getPrefixHeaderFile());
            }
        }));

        // This is so that VisualCpp has the object file of the generated source file available at link time

                parameters.getPrefixHeaderFile().set(prefixHeaderFile);
            }
        });
    }

    @Input
    public String getHeader() {
        return header;
    }

    public void setHeader(String header) {
        this.header = header;
    }

    @OutputFile
    public File getPrefixHeaderFile() {
        return prefixHeaderFile;
    }

            getIncludeRoots() >> [includeDir]
            getSystemIncludeRoots() >> [systemIncludeDir]
            getOperationLogger() >> Mock(BuildOperationLogger)
            getPrefixHeaderFile() >> null
            getPreCompiledHeaderObjectFile() >> null
        }

        and:
        def actualArgs = compiler.getArguments(compileSpec)

        then:
        actualArgs == expectedArgs

            File pchObjectFile = preCompiledHeader.getObjectFile();
            File pchDir = PCHUtils.generatePCHObjectDirectory(spec.getTempDir(), preCompiledHeader.getPrefixHeaderFile(), pchObjectFile);
            spec.setPrefixHeaderFile(new File(pchDir, preCompiledHeader.getPrefixHeaderFile().getName()));
            spec.setPreCompiledHeaderObjectFile(new File(pchDir, pchObjectFile.getName()));

            final DependentSourceSetInternal dependentSourceSet = (DependentSourceSetInternal)sourceSet;
            PreCompiledHeader pch = binary.getPrefixFileToPCH().get(dependentSourceSet.getPrefixHeaderFile());
            pch.setPrefixHeaderFile(dependentSourceSet.getPrefixHeaderFile());
            pch.setIncludeString(dependentSourceSet.getPreCompiledHeader());
            task.setPreCompiledHeader(pch);
        }

    }

    @Override
    protected List<String> getPCHArgs(T spec) {
        List<String> pchArgs = new ArrayList<String>();
        if (spec.getPrefixHeaderFile() != null) {
            pchArgs.add("-include");
            pchArgs.add(spec.getPrefixHeaderFile().getAbsolutePath());
        }
        return pchArgs;
    }

import org.gradle.language.nativeplatform.DependentSourceSet;

import java.io.File;

public interface DependentSourceSetInternal extends DependentSourceSet {
    File getPrefixHeaderFile();

    void setPrefixHeaderFile(File prefixHeaderFile);

    void setDebuggable(boolean flag);

    boolean isOptimized();

    void setOptimized(boolean flag);

    boolean isIncrementalCompile();

    void setIncrementalCompile(boolean flag);

    File getPrefixHeaderFile();

    void setPrefixHeaderFile(File prefixHeaderFile);

    File getPreCompiledHeaderObjectFile();

    void setPreCompiledHeaderObjectFile(File preCompiledHeaderObjectFile);

        return preCompiledHeader;
    }

    @Override
    public void setPreCompiledHeader(String header) {
        this.preCompiledHeader = header;
    }

    @Override
    public File getPrefixHeaderFile() {
        return prefixHeaderFile;
    }

    @Override
    public void setPrefixHeaderFile(File prefixHeaderFile) {
        this.prefixHeaderFile = prefixHeaderFile;
    }

    @InputFiles
    public FileCollection getPchObjects() {
        return pchObjects;
    }

    @Nullable
    @Optional
    @PathSensitive(PathSensitivity.ABSOLUTE)
    @InputFile
    public File getPrefixHeaderFile() {
        return prefixHeaderFile;
    }

    public void setPrefixHeaderFile(@Nullable File prefixHeaderFile) {
        this.prefixHeaderFile = prefixHeaderFile;
    }

    @Nullable @Optional @Input