#!/usr/bin/env python3
# Copyright 2017 The Australian National University
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Functions to configure callback settings

from pathlib import Path
from mubench import CALLBACKS_DIR
from mubench.util import expandenv

def configure_cb_perfevent(cb_d, env):
    assert 'libpfm4_dir' in cb_d, "libpfm4 install directory not specified"
    libpfm4 = Path(expandenv(cb_d['libpfm4_dir'], env))
    if not libpfm4.is_absolute():
        libpfm4 = CALLBACKS_DIR / libpfm4   # default relative to CALLBACKS_DIR

    cb_d['include_dirs'].extend([
        str(libpfm4 / 'include'),
        str(libpfm4 / 'util')
    ])
    cb_d['library_dirs'].append(str(libpfm4 / 'lib'))
    cb_d['libraries'].append('pfm')
    cb_d['extra_srcs'].append(str(libpfm4 / 'util' / 'perf_util.c'))
    cb_d['flags'].append('-pthread')


def configure_cb_clock(cb_d, env):
    pass


def configure_cb_print(cb_d, env):
    pass