ssh_client/third_party/ldns/build

#!/usr/bin/env python3
# Copyright 2018 The ChromiumOS Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

"""Build ldns package."""

import logging
import os
from pathlib import Path
import sys

FILESDIR = Path(__file__).resolve().parent
sys.path.insert(0, str(FILESDIR.parent.parent / "bin"))

import ssh_client  # pylint: disable=wrong-import-position


ARCHIVES = ("%(p)s.tar.gz",)
PATCHES = (
    "%(pn)s-no-getproto.patch",
    "%(pn)s-CVE-2017-1000231.patch",
    "%(pn)s-CVE-2017-1000232.patch",
    "%(pn)s-ssl-engine.patch",
    "%(pn)s-ssl-headers.patch",
)


def src_configure(metadata):
    """Configure the source."""
    if os.path.exists("Makefile"):
        logging.info("Makefile exists; skipping ./configure step")
        return

    tc = metadata["toolchain"]

    EXTRA_CFLAGS = [
        # The configure script tests these structs (and finds them), but then
        # forgets to create the right defines for them.  Force the logic when
        # we build to avoid failures.
        "-DHAVE_STRUCT_SOCKADDR_STORAGE",
        "-DHAVE_STRUCT_IN6_ADDR",
        "-DHAVE_STRUCT_SOCKADDR_IN6",
    ]

    cmd = [
        "./configure",
        f"--build={tc.cbuild}",
        f"--host={tc.chost}",
        # The prefix path matches what is used at runtime.
        "--prefix=/",
        "--cache-file=../config.cache",
        f"CFLAGS={' '.join(EXTRA_CFLAGS)}",
        "--with-drill",
        "--disable-dane-verify",
        "--disable-gost",
        # The ldns configure logic is quite poor and searches the filesystem
        # instead of querying the compiler.  Force it to our sysroot.
        f"--with-ssl={tc.sysroot}",
    ]
    ssh_client.run(cmd)


def src_compile(_metadata):
    """Compile the source."""
    ssh_client.emake("setup-builddir")
    ssh_client.emake("lib")
    ssh_client.emake("drill")


def src_install(metadata):
    """Install the package."""
    tc = metadata["toolchain"]
    # List install targets ourselves to avoid installing man pages.
    # This package has a lot (~500) and can be a little slow.
    ssh_client.emake(
        "install-h", "install-lib", "install-config", f"DESTDIR={tc.sysroot}"
    )


ssh_client.build_package(sys.modules[__name__], "pnacl")