2021-05-20 23:08:51 +00:00
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{ lib, stdenv, fetchurl, cmake, llvmPackages, python3 }:
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2020-04-24 23:36:52 +00:00
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stdenv.mkDerivation rec {
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pname = "include-what-you-use";
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# Also bump llvmPackages in all-packages.nix to the supported version!
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2021-12-19 01:06:50 +00:00
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version = "0.17";
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2020-04-24 23:36:52 +00:00
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src = fetchurl {
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2021-12-19 01:06:50 +00:00
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sha256 = "sha256-7KfAT4tBa2OF7QDjNmmn+kaTzSbLcrUizeVYgo6wxmU=";
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2020-04-24 23:36:52 +00:00
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url = "${meta.homepage}/downloads/${pname}-${version}.src.tar.gz";
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};
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2021-05-28 09:39:13 +00:00
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nativeBuildInputs = with llvmPackages; [ cmake llvm.dev llvm python3];
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buildInputs = with llvmPackages; [ libclang clang-unwrapped ];
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2020-04-24 23:36:52 +00:00
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cmakeFlags = [ "-DIWYU_LLVM_ROOT_PATH=${llvmPackages.clang-unwrapped}" ];
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postInstall = ''
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substituteInPlace $out/bin/iwyu_tool.py \
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--replace "'include-what-you-use'" "'$out/bin/include-what-you-use'"
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'';
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2021-02-05 17:12:51 +00:00
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meta = with lib; {
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2020-04-24 23:36:52 +00:00
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description = "Analyze #includes in C/C++ source files with clang";
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longDescription = ''
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For every symbol (type, function variable, or macro) that you use in
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foo.cc, either foo.cc or foo.h should #include a .h file that exports the
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declaration of that symbol. The main goal of include-what-you-use is to
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remove superfluous #includes, both by figuring out what #includes are not
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actually needed for this file (for both .cc and .h files), and by
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replacing #includes with forward-declares when possible.
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'';
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homepage = "https://include-what-you-use.org";
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license = licenses.bsd3;
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platforms = platforms.unix;
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};
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}
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