docstr: Writes the meson build file at specified location
docstr_tok: ["Writes","the","meson","build","file","at","specified","location"]
code: def write_meson_build(self, build_dir: Path) -> None:
      """Writes the meson build file at specified location"""
      meson_template = MesonTemplate(
          self.modulename,
          self.sources,
          self.dependencies,
          self.libraries,
          self.library_dirs,
          self.include_dirs,
          self.extra_objects,
          self.flib_flags,
          self.fc_flags,
          self.build_type,
          sys.executable,
      )
      src = meson_template.generate_meson_build()
      Path(build_dir).mkdir(parents=True, exist_ok=True)
      meson_build_file = Path(build_dir) / "meson.build"
      meson_build_file.write_text(src)
      return meson_build_file
  
imports: from __future__ import annotations
  import os
  import errno
  import shutil
  import subprocess
  import sys
  import re
  from pathlib import Path
  from ._backend import Backend
  from string import Template
  from itertools import chain
  import warnings
label_desc: Use image node_id 3 for calling the MesonBackend obj's underlying member method code with example usage: obj.write_meson_build(build_dir) and returns: meson_build_file