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{ lib, stdenv, fetchurl, cmake, llvmPackages, python3 }:
stdenv.mkDerivation rec {
pname = "include-what-you-use";
# Also bump llvmPackages in all-packages.nix to the supported version!
version = "0.22";
src = fetchurl {
url = "${meta.homepage}/downloads/${pname}-${version}.src.tar.gz";
hash = "sha256-hZB0tGHqS4MlpzQYwgfKM7XmVmsI5rWH65FkQWVppt0=";
};
postPatch = ''
patchShebangs .
'';
nativeBuildInputs = with llvmPackages; [ cmake llvm.dev llvm python3 ];
buildInputs = with llvmPackages; [ libclang clang-unwrapped python3 ];
clang = llvmPackages.clang;
cmakeFlags = [ "-DCMAKE_PREFIX_PATH=${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;
};
}
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