given:
        new SourceFile(app.sourceType, "hello.h", app.libraryHeader.content).writeToDir(file("src/hello"))
        app.librarySources.each { it.writeToDir(file("src/hello")) }
        new SourceFile(app.sourceType, "common.h", app.commonHeader.content).writeToDir(file("src/hello"))

        when:
        buildFile << preCompiledHeaderComponent()
        buildFile << """
            model {

        // Write sources to src/main, headers to src/input
        def app = new CHelloWorldApp()
        app.executable.writeSources(file("src/main"))
        app.library.sourceFiles*.writeToDir(file("src/main"))
        app.library.headerFiles*.writeToDir(file("src/input"))
        degenerateInputSources()

        when:
        buildFile << """
    apply plugin: 'c'

model {
    components { comp ->

    def "locates prebuilt library in another project"() {
        given:
        app.executable.writeSources(file("projectA/src/main"))
        app.librarySources*.writeToDir(file("projectA/src/main"))
        app.libraryHeader.writeToDir(file("projectB/libs/src/hello"))

        and:
        settingsFile.text = "include ':projectA', ':projectB'"
        buildFile << """
project(':projectA') {

        """
        settingsFile << "rootProject.name = 'test'"
        sourceFile = app.mainSource.writeToDir(file("src/main"))
        headerFile = app.libraryHeader.writeToDir(file("src/hello"))
        commonHeaderFile = app.commonHeader.writeToDir(file("src/hello"))
        app.librarySources.each {
            librarySourceFiles << it.writeToDir(file("src/hello"))
        }
    }

    @ToBeFixedForConfigurationCache

        }
    }
        """

        and:
        sourceFile = app.mainSource.writeToDir(file("src/main"))
        sharedHeaderFile = app.libraryHeader.writeToDir(file("src/main"))
        commonHeaderFile = app.commonHeader.writeToDir(file("src/main"))
        app.librarySources.each {
            otherSourceFiles << it.writeToDir(file("src/main"))
        }
        otherHeaderFile = file("src/main/headers/other.h") << """

    @ToBeFixedForConfigurationCache
    def "variant-dependent sources are included in test binary"() {
        given:
        app.library.headerFiles*.writeToDir(file("src/hello"))
        app.googleTestTests.writeSources(file("src/helloTest"))
        app.library.sourceFiles*.writeToDir(file("src/variant"))

        when:
        buildFile << """
model {
    components {
        hello(NativeLibrarySpec) { l ->

        given:
        def app = new CppHelloWorldApp()
        app.executable.writeSources(file("src/main"))

        app.library.headerFiles*.writeToDir(file("src/helloApi"))
        app.library.sourceFiles*.writeToDir(file("src/hello"))

        and:
        buildFile << """
model {
    components {
        main(NativeExecutableSpec) {
            sources {

    @ToBeFixedForConfigurationCache
    def "variant-dependent sources are included in test binary"() {
        given:
        app.library.headerFiles*.writeToDir(file("src/hello"))
        app.cunitTests.writeSources(file("src/helloTest"))
        app.library.sourceFiles*.writeToDir(file("src/variant"))

        when:
        buildFile << """
model {
    components {
        hello(NativeLibrarySpec) { l ->