"build.gradle",
            "build/src/helloTest/cunitLauncher/c/gradle_cunit_main.c",
            "src/helloTest/c/test.c",
            "src/hello/c/hello.c",
            "src/hello/c/sum.c"
        ] as Set
        projectFile.headerFiles == [
            "build/src/helloTest/cunitLauncher/headers/gradle_cunit_register.h",
            "src/hello/headers/common.h",

    }

    @SuppressWarnings("UnusedDeclaration")
    static class Rules extends RuleSource {

        private static final String CUNIT_LAUNCHER_SOURCE_SET = "cunitLauncher";

        @ComponentType
        public void registerCUnitTestSuiteSpecType(TypeBuilder<CUnitTestSuiteSpec> builder) {
            builder.defaultImplementation(DefaultCUnitTestSuiteSpec.class);
        }

------------------------------

Source sets
    C source 'someExeTest:c'
        srcDir: src/someExeTest/c
    C source 'someExeTest:cunitLauncher'
        srcDir: build/src/someExeTest/cunitLauncher/c

Binaries
    C unit exe 'someExeTest:cUnitExe'
        build using task: :someExeTestCUnitExe
        install using task: :installSomeExeTestCUnitExe
        run using task: :runSomeExeTestCUnitExe