#!/usr/bin/env python
import os
import sys
import platform
import re
import subprocess

def get_sample(filename):
    fullpath = os.path.join("@LIEF_SAMPLES_DIRECTORY@", filename)

    assert os.path.exists(fullpath)
    assert os.path.isfile(fullpath)

    return fullpath

def get_compiler():
    compiler = os.getenv("CC", "/usr/bin/cc")
    if not os.path.exists(compiler):
        raise RuntimeError("Unable to find a compiler")
    return compiler

def is_linux():
    return sys.platform.startswith("linux")

def is_x86_64():
    machine = platform.machine().lower()
    return machine in ("x86_64", "amd64")

def is_aarch64():
    return platform.machine() == "aarch64"

def has_recent_glibc():
    """Check if we have at least GLIBC 2.17 (2012)"""
    try:
        out = subprocess.check_output(["ldd", "--version"]).decode("ascii")
        version_str = re.search(" (\d\.\d+)\n", out).group(1)
        major, minor = version_str.split(".")
    except (OSError, AttributeError):
        pass
    else:
        if int(major) == 2 and int(minor) >= 17:
            return True

    return False