build

#!/usr/bin/env python3
# Copyright 2018 The Chromium OS Authors. All rights reserved.
# 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
import sys

FILESDIR = os.path.dirname(os.path.realpath(__file__))
sys.path.insert(0, os.path.join(FILESDIR, '..', '..', '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',
        '--build=%s' % (tc.cbuild,),
        '--host=%s' % (tc.chost,),
        # The prefix path matches what is used at runtime.
        '--prefix=/',
        '--cache-file=../config.cache',
        'CFLAGS=%s' % (' '.join(EXTRA_CFLAGS),),
        '--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.
        '--with-ssl=%s' % (tc.sysroot,),
    ]
    ssh_client.run(cmd)


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


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',
                     'DESTDIR=%s' % (tc.sysroot,))


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