Function configure_host_python

Platforms/Apple/__main__.py:366–418

The implementation of the "configure-host" command.

(
    context: argparse.Namespace,
    host: str | None = None,
)

def configure_host_python(
    context: argparse.Namespace,
    host: str | None = None,
) -> None:
    """The implementation of the "configure-host" command."""
    if host is None:
        host = context.host

    if context.clean:
        clean(context, host)

    host_dir = subdir(host, create=True)
    prefix_dir = host_dir / "prefix"

    with group(f"Downloading dependencies ({host})"):
        if not prefix_dir.exists():
            prefix_dir.mkdir()
            cache_dir = (
                Path(context.cache_dir).resolve()
                if context.cache_dir
                else CROSS_BUILD_DIR / "downloads"
            )
            unpack_deps(context.platform, host, prefix_dir, cache_dir)
        else:
            print("Dependencies already installed")

    with (
        group(f"Configuring host Python ({host})"),
        cwd(host_dir),
    ):
        command = [
            # Basic cross-compiling configuration
            relpath(PYTHON_DIR / "configure"),
            f"--host={host}",
            f"--build={sysconfig.get_config_var('BUILD_GNU_TYPE')}",
            f"--with-build-python={build_python_path()}",
            "--with-system-libmpdec",
            "--enable-framework",
            # Dependent libraries.
            f"--with-openssl={prefix_dir}",
            f"LIBLZMA_CFLAGS=-I{prefix_dir}/include",
            f"LIBLZMA_LIBS=-L{prefix_dir}/lib -llzma",
            f"LIBFFI_CFLAGS=-I{prefix_dir}/include",
            f"LIBFFI_LIBS=-L{prefix_dir}/lib -lffi",
            f"LIBMPDEC_CFLAGS=-I{prefix_dir}/include",
            f"LIBMPDEC_LIBS=-L{prefix_dir}/lib -lmpdec",
            f"LIBZSTD_CFLAGS=-I{prefix_dir}/include",
            f"LIBZSTD_LIBS=-L{prefix_dir}/lib -lzstd",
        ]

        if context.args:
            command.extend(context.args)
        run(command, host=host)


def make_host_python(