{ lib, buildPythonPackage, llvmPackages, setuptools, writeText, }: let libclang = llvmPackages.libclang; pyproject_toml = writeText "pyproject.toml" '' [build-system] requires = ["setuptools>=42", "wheel"] build-backend = "setuptools.build_meta" ''; setup_cfg = writeText "setup.cfg" '' [metadata] name = clang version = ${libclang.version} [options] packages = clang ''; in buildPythonPackage { pname = "libclang"; format = "pyproject"; inherit (libclang) version src; buildInputs = [ setuptools ]; postUnpack = '' # set source root to python bindings if [ -e "$sourceRoot/clang/bindings/python" ]; then # LLVM 13+ puts clang sources in subdirectory instead of plain tarball sourceRoot="$sourceRoot/clang/bindings/python" else sourceRoot="$sourceRoot/bindings/python" fi ''; postPatch = '' # link in our own build info to build as a python package ln -s ${pyproject_toml} ./pyproject.toml ln -s ${setup_cfg} ./setup.cfg # set passed libclang for runtime echo 'Config.set_library_path("${lib.getLib libclang}/lib")' >>./clang/cindex.py ''; meta = libclang.meta // { description = "Python bindings for the C language family frontend for LLVM"; maintainers = [ ]; }; }