def METHOD_NAME(filename: str,
                    with_c4core: bool,
                    with_fastfloat: bool,
                    with_stl: bool):
    c4core_amalgamated = ""
    if with_c4core:
        c4core_amalgamated = "src/c4/c4core_all.hpp"
        am_c4core.amalgamate_c4core(f"{projdir}/{c4core_amalgamated}",
                                    with_fastfloat=with_fastfloat,
                                    with_stl=with_stl)
    repo = "https://github.com/biojppm/rapidyaml"
    defmacro = ryml_defmacro
    srcfiles = [
        am.cmttext(f"""