{ lib, stdenv, fetchurl, cmake, llvmPackages, python3, }: stdenv.mkDerivation rec { pname = "include-what-you-use"; # Make sure to bump `llvmPackages` in "pkgs/top-level/all-packages.nix" to the supported version: # https://github.com/include-what-you-use/include-what-you-use?tab=readme-ov-file#clang-compatibility version = "0.24"; src = fetchurl { url = "${meta.homepage}/downloads/${pname}-${version}.src.tar.gz"; hash = "sha256-ojQhzv9gHT6iFej6kpK/qMo56xrCCY277fxs/mVUHBA="; }; postPatch = '' patchShebangs . ''; nativeBuildInputs = with llvmPackages; [ cmake llvm.dev llvm python3 ]; buildInputs = with llvmPackages; [ libclang clang-unwrapped python3 ]; clang = llvmPackages.clang; cmakeFlags = [ "-DCMAKE_PREFIX_PATH=${llvmPackages.llvm.dev}" ]; postInstall = '' substituteInPlace $out/bin/iwyu_tool.py \ --replace-fail "'include-what-you-use'" "'$out/bin/include-what-you-use'" mv $out/bin/include-what-you-use $out/bin/.include-what-you-use-unwrapped mv $out/bin/iwyu_tool.py $out/bin/.iwyu_tool.py-unwrapped substituteAll ${./wrapper} $out/bin/include-what-you-use ln -s $out/bin/include-what-you-use $out/bin/iwyu_tool.py chmod +x $out/bin/include-what-you-use patchShebangs $out/bin/include-what-you-use ''; meta = with lib; { description = "Analyze #includes in C/C++ source files with clang"; longDescription = '' For every symbol (type, function variable, or macro) that you use in foo.cc, either foo.cc or foo.h should #include a .h file that exports the declaration of that symbol. The main goal of include-what-you-use is to remove superfluous #includes, both by figuring out what #includes are not actually needed for this file (for both .cc and .h files), and by replacing #includes with forward-declares when possible. ''; homepage = "https://include-what-you-use.org"; license = licenses.bsd3; platforms = platforms.unix; }; }