Function generate_build_ninja

tools/project.py:400–1355

(
    config: ProjectConfig,
    objects: Dict[str, Object],
    build_config: Optional[BuildConfig],
)

# Generate build.ninja
def generate_build_ninja(
    config: ProjectConfig,
    objects: Dict[str, Object],
    build_config: Optional[BuildConfig],
) -> None:
    out = io.StringIO()
    n = ninja_syntax.Writer(out)
    n.variable("ninja_required_version", "1.3")
    n.newline()

    configure_script = Path(os.path.relpath(os.path.abspath(sys.argv[0])))
    python_lib = Path(os.path.relpath(__file__))
    python_lib_dir = python_lib.parent
    n.comment("The arguments passed to configure.py, for rerunning it.")
    n.variable("configure_args", sys.argv[1:])
    n.variable("python", f'"{sys.executable}"')
    n.newline()

    ###
    # Variables
    ###
    n.comment("Variables")
    n.variable("ldflags", make_flags_str(config.ldflags))
    if config.linker_version is None:
        sys.exit("ProjectConfig.linker_version missing")
    n.variable("mw_version", Path(config.linker_version))
    n.newline()

    ###
    # Tooling
    ###
    n.comment("Tooling")

    build_path = config.out_path()
    progress_path = build_path / "progress.json"
    report_path = build_path / "report.json"
    build_tools_path = config.build_dir / "tools"
    download_tool = config.tools_dir / "download_tool.py"
    n.rule(
        name="download_tool",
        command=f"$python {download_tool} $tool $out --tag $tag",
        description="TOOL $out",
    )

    decompctx = config.tools_dir / "decompctx.py"
    n.rule(
        name="decompctx",
        command=f"$python {decompctx} $in -o $out -d $out.d $includes",
        description="CTX $in",
        depfile="$out.d",
        deps="gcc",
    )

    cargo_rule_written = False

    def write_cargo_rule():
        nonlocal cargo_rule_written
        if not cargo_rule_written: