400 lines
15 KiB
Nix
400 lines
15 KiB
Nix
{ lowPrio, newScope, pkgs, lib, stdenv
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, preLibcCrossHeaders
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, substitute, substituteAll, fetchFromGitHub, fetchpatch, fetchurl
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, overrideCC, wrapCCWith, wrapBintoolsWith
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, buildLlvmTools # tools, but from the previous stage, for cross
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, targetLlvmLibraries # libraries, but from the next stage, for cross
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, targetLlvm
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# This is the default binutils, but with *this* version of LLD rather
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# than the default LLVM version's, if LLD is the choice. We use these for
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# the `useLLVM` bootstrapping below.
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, bootBintoolsNoLibc ?
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if stdenv.targetPlatform.linker == "lld"
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then null
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else pkgs.bintoolsNoLibc
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, bootBintools ?
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if stdenv.targetPlatform.linker == "lld"
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then null
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else pkgs.bintools
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, darwin
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# Allows passthrough to packages via newScope. This makes it possible to
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# do `(llvmPackages.override { <someLlvmDependency> = bar; }).clang` and get
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# an llvmPackages whose packages are overridden in an internally consistent way.
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, ...
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}@args:
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let
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candidate = ""; # empty or "rcN"
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dash-candidate = lib.optionalString (candidate != "") "-${candidate}";
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metadata = rec {
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release_version = "12.0.1";
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version = "${release_version}${dash-candidate}"; # differentiating these (variables) is important for RCs
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inherit (import ../common/common-let.nix { inherit lib release_version; }) llvm_meta;
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fetch = name: sha256: fetchurl {
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url = "https://github.com/llvm/llvm-project/releases/download/llvmorg-${metadata.version}/${name}-${metadata.release_version}${candidate}.src.tar.xz";
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inherit sha256;
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};
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clang-tools-extra_src = fetch "clang-tools-extra" "1r9a4fdz9ci58b5z2inwvm4z4cdp6scrivnaw05dggkxz7yrwrb5";
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};
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inherit (metadata) fetch;
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tools = lib.makeExtensible (tools: let
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callPackage = newScope (tools // args // metadata);
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mkExtraBuildCommands0 = cc: ''
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rsrc="$out/resource-root"
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mkdir "$rsrc"
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ln -s "${cc.lib}/lib/clang/${metadata.release_version}/include" "$rsrc"
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echo "-resource-dir=$rsrc" >> $out/nix-support/cc-cflags
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'';
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mkExtraBuildCommands = cc: mkExtraBuildCommands0 cc + ''
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ln -s "${targetLlvmLibraries.compiler-rt.out}/lib" "$rsrc/lib"
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ln -s "${targetLlvmLibraries.compiler-rt.out}/share" "$rsrc/share"
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'';
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bintoolsNoLibc' =
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if bootBintoolsNoLibc == null
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then tools.bintoolsNoLibc
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else bootBintoolsNoLibc;
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bintools' =
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if bootBintools == null
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then tools.bintools
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else bootBintools;
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in {
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libllvm = callPackage ../common/llvm {
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src = fetch "llvm" "1pzx9zrmd7r3481sbhwvkms68fwhffpp4mmz45dgrkjpyl2q96kx";
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polly_src = fetch "polly" "1yfm9ixda4a2sx7ak5vswijx4ydk5lv1c1xh39xmd2kh299y4m12";
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patches = [
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# When cross-compiling we configure llvm-config-native with an approximation
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# of the flags used for the normal LLVM build. To avoid the need for building
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# a native libLLVM.so (which would fail) we force llvm-config to be linked
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# statically against the necessary LLVM components always.
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../common/llvm/llvm-config-link-static.patch
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# Fix llvm being miscompiled by some gccs. See llvm/llvm-project#49955
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# Fix llvm being miscompiled by some gccs. See https://github.com/llvm/llvm-project/issues/49955
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./llvm/fix-llvm-issue-49955.patch
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./llvm/gnu-install-dirs.patch
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# On older CPUs (e.g. Hydra/wendy) we'd be getting an error in this test.
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(fetchpatch {
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name = "uops-CMOV16rm-noreg.diff";
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url = "https://github.com/llvm/llvm-project/commit/9e9f991ac033.diff";
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sha256 = "sha256:12s8vr6ibri8b48h2z38f3afhwam10arfiqfy4yg37bmc054p5hi";
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stripLen = 1;
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})
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# Fix musl build.
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(fetchpatch {
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url = "https://github.com/llvm/llvm-project/commit/5cd554303ead0f8891eee3cd6d25cb07f5a7bf67.patch";
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relative = "llvm";
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hash = "sha256-XPbvNJ45SzjMGlNUgt/IgEvM2dHQpDOe6woUJY+nUYA=";
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})
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# Backport gcc-13 fixes with missing includes.
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(fetchpatch {
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name = "signals-gcc-13.patch";
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url = "https://github.com/llvm/llvm-project/commit/ff1681ddb303223973653f7f5f3f3435b48a1983.patch";
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hash = "sha256-CXwYxQezTq5vdmc8Yn88BUAEly6YZ5VEIA6X3y5NNOs=";
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stripLen = 1;
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})
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(fetchpatch {
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name = "base64-gcc-13.patch";
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url = "https://github.com/llvm/llvm-project/commit/5e9be93566f39ee6cecd579401e453eccfbe81e5.patch";
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hash = "sha256-PAwrVrvffPd7tphpwCkYiz+67szPRzRB2TXBvKfzQ7U=";
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stripLen = 1;
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})
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];
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pollyPatches = [
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./llvm/gnu-install-dirs-polly.patch
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];
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};
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# `llvm` historically had the binaries. When choosing an output explicitly,
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# we need to reintroduce `outputSpecified` to get the expected behavior e.g. of lib.get*
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llvm = tools.libllvm;
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libclang = callPackage ../common/clang {
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src = fetch "clang" "0px4gl27az6cdz6adds89qzdwb1cqpjsfvrldbz9qvpmphrj34bf";
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patches = [
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./clang/purity.patch
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# https://reviews.llvm.org/D51899
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./clang/gnu-install-dirs.patch
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(substituteAll {
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src = ../common/clang/clang-11-15-LLVMgold-path.patch;
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libllvmLibdir = "${tools.libllvm.lib}/lib";
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})
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];
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};
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clang-unwrapped = tools.libclang;
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# disabled until recommonmark supports sphinx 3
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#Llvm-manpages = lowPrio (tools.libllvm.override {
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# enableManpages = true;
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# python3 = pkgs.python3; # don't use python-boot
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#});
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clang-manpages = lowPrio (tools.libclang.override {
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enableManpages = true;
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python3 = pkgs.python3; # don't use python-boot
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});
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# disabled until recommonmark supports sphinx 3
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# lldb-manpages = lowPrio (tools.lldb.override {
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# enableManpages = true;
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# python3 = pkgs.python3; # don't use python-boot
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# });
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# pick clang appropriate for package set we are targeting
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clang =
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/**/ if stdenv.targetPlatform.libc == null then tools.clangNoLibc
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else if stdenv.targetPlatform.useLLVM or false then tools.clangUseLLVM
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else if (pkgs.targetPackages.stdenv or stdenv).cc.isGNU then tools.libstdcxxClang
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else tools.libcxxClang;
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libstdcxxClang = wrapCCWith rec {
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cc = tools.clang-unwrapped;
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# libstdcxx is taken from gcc in an ad-hoc way in cc-wrapper.
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libcxx = null;
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extraPackages = [
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targetLlvmLibraries.compiler-rt
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];
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extraBuildCommands = mkExtraBuildCommands cc;
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};
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libcxxClang = wrapCCWith rec {
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cc = tools.clang-unwrapped;
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libcxx = targetLlvmLibraries.libcxx;
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extraPackages = [
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targetLlvmLibraries.compiler-rt
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];
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extraBuildCommands = mkExtraBuildCommands cc;
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};
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lld = callPackage ../common/lld {
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src = fetch "lld" "0qg3fgc7wj34hdkqn21y03zcmsdd01szhhm1hfki63iifrm3y2v9";
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patches = [
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./lld/gnu-install-dirs.patch
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];
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inherit (libraries) libunwind;
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};
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lldb = callPackage ../common/lldb.nix {
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src = fetch "lldb" "0g3pj1m3chafavpr35r9fynm85y2hdyla6klj0h28khxs2613i78";
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patches =
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let
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resourceDirPatch = callPackage
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({ substituteAll, libclang }: substituteAll
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{
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src = ./lldb/resource-dir.patch;
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clangLibDir = "${libclang.lib}/lib";
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})
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{ };
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in
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[
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./lldb/procfs.patch
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resourceDirPatch
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./lldb/gnu-install-dirs.patch
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];
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};
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# Below, is the LLVM bootstrapping logic. It handles building a
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# fully LLVM toolchain from scratch. No GCC toolchain should be
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# pulled in. As a consequence, it is very quick to build different
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# targets provided by LLVM and we can also build for what GCC
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# doesn’t support like LLVM. Probably we should move to some other
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# file.
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bintools-unwrapped = callPackage ../common/bintools.nix { };
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bintoolsNoLibc = wrapBintoolsWith {
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bintools = tools.bintools-unwrapped;
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libc = preLibcCrossHeaders;
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};
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bintools = wrapBintoolsWith {
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bintools = tools.bintools-unwrapped;
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};
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clangUseLLVM = wrapCCWith rec {
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cc = tools.clang-unwrapped;
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libcxx = targetLlvmLibraries.libcxx;
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bintools = bintools';
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extraPackages = [
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targetLlvmLibraries.compiler-rt
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] ++ lib.optionals (!stdenv.targetPlatform.isWasm) [
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targetLlvmLibraries.libunwind
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];
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extraBuildCommands = ''
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echo "-rtlib=compiler-rt -Wno-unused-command-line-argument" >> $out/nix-support/cc-cflags
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echo "-B${targetLlvmLibraries.compiler-rt}/lib" >> $out/nix-support/cc-cflags
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'' + lib.optionalString (!stdenv.targetPlatform.isWasm) ''
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echo "--unwindlib=libunwind" >> $out/nix-support/cc-cflags
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echo "-L${targetLlvmLibraries.libunwind}/lib" >> $out/nix-support/cc-ldflags
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'' + lib.optionalString (!stdenv.targetPlatform.isWasm && stdenv.targetPlatform.useLLVM or false) ''
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echo "-lunwind" >> $out/nix-support/cc-ldflags
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'' + lib.optionalString stdenv.targetPlatform.isWasm ''
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echo "-fno-exceptions" >> $out/nix-support/cc-cflags
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'' + mkExtraBuildCommands cc;
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};
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clangNoLibcxx = wrapCCWith rec {
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cc = tools.clang-unwrapped;
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libcxx = null;
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bintools = bintools';
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extraPackages = [
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targetLlvmLibraries.compiler-rt
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];
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extraBuildCommands = ''
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echo "-rtlib=compiler-rt" >> $out/nix-support/cc-cflags
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echo "-B${targetLlvmLibraries.compiler-rt}/lib" >> $out/nix-support/cc-cflags
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echo "-nostdlib++" >> $out/nix-support/cc-cflags
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'' + mkExtraBuildCommands cc;
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};
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clangNoLibc = wrapCCWith rec {
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cc = tools.clang-unwrapped;
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libcxx = null;
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bintools = bintoolsNoLibc';
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extraPackages = [
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targetLlvmLibraries.compiler-rt
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];
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extraBuildCommands = ''
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echo "-rtlib=compiler-rt" >> $out/nix-support/cc-cflags
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echo "-B${targetLlvmLibraries.compiler-rt}/lib" >> $out/nix-support/cc-cflags
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'' + mkExtraBuildCommands cc;
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};
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clangNoCompilerRt = wrapCCWith rec {
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cc = tools.clang-unwrapped;
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libcxx = null;
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bintools = bintoolsNoLibc';
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extraPackages = [ ];
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extraBuildCommands = ''
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echo "-nostartfiles" >> $out/nix-support/cc-cflags
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'' + mkExtraBuildCommands0 cc;
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};
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clangNoCompilerRtWithLibc = wrapCCWith rec {
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cc = tools.clang-unwrapped;
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libcxx = null;
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bintools = bintools';
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extraPackages = [ ];
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extraBuildCommands = mkExtraBuildCommands0 cc;
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};
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});
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libraries = lib.makeExtensible (libraries: let
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callPackage = newScope (libraries // buildLlvmTools // args // metadata);
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in {
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compiler-rt-libc = callPackage ../common/compiler-rt {
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src = fetch "compiler-rt" "1950rg294izdwkaasi7yjrmadc9mzdd5paf0q63jjcq2m3rdbj5l";
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patches = [
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../common/compiler-rt/7-12-codesign.patch # Revert compiler-rt commit that makes codesign mandatory
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./compiler-rt/X86-support-extension.patch # Add support for i486 i586 i686 by reusing i386 config
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./compiler-rt/gnu-install-dirs.patch
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# ld-wrapper dislikes `-rpath-link //nix/store`, so we normalize away the
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# extra `/`.
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./compiler-rt/normalize-var.patch
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../common/compiler-rt/darwin-plistbuddy-workaround.patch
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./compiler-rt/armv7l.patch
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# Fix build on armv6l
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../common/compiler-rt/armv6-mcr-dmb.patch
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../common/compiler-rt/armv6-sync-ops-no-thumb.patch
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../common/compiler-rt/armv6-no-ldrexd-strexd.patch
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];
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stdenv = if stdenv.hostPlatform.useLLVM or false
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then overrideCC stdenv buildLlvmTools.clangNoCompilerRtWithLibc
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else stdenv;
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};
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compiler-rt-no-libc = callPackage ../common/compiler-rt {
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src = fetch "compiler-rt" "1950rg294izdwkaasi7yjrmadc9mzdd5paf0q63jjcq2m3rdbj5l";
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patches = [
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../common/compiler-rt/7-12-codesign.patch # Revert compiler-rt commit that makes codesign mandatory
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./compiler-rt/X86-support-extension.patch # Add support for i486 i586 i686 by reusing i386 config
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./compiler-rt/gnu-install-dirs.patch
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# ld-wrapper dislikes `-rpath-link //nix/store`, so we normalize away the
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# extra `/`.
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./compiler-rt/normalize-var.patch
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../common/compiler-rt/darwin-plistbuddy-workaround.patch
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./compiler-rt/armv7l.patch
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# Fix build on armv6l
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../common/compiler-rt/armv6-mcr-dmb.patch
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../common/compiler-rt/armv6-sync-ops-no-thumb.patch
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../common/compiler-rt/armv6-no-ldrexd-strexd.patch
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];
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stdenv = if stdenv.hostPlatform.useLLVM or false
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then overrideCC stdenv buildLlvmTools.clangNoCompilerRt
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else stdenv;
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};
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# N.B. condition is safe because without useLLVM both are the same.
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compiler-rt = if stdenv.hostPlatform.isAndroid
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then libraries.compiler-rt-libc
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else libraries.compiler-rt-no-libc;
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stdenv = overrideCC stdenv buildLlvmTools.clang;
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libcxxStdenv = overrideCC stdenv buildLlvmTools.libcxxClang;
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libcxx = callPackage ../common/libcxx {
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src = fetchFromGitHub {
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owner = "llvm";
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repo = "llvm-project";
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rev = "refs/tags/llvmorg-${metadata.version}";
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sparseCheckout = [
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"libcxx"
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"libcxxabi"
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"llvm/cmake"
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"llvm/utils"
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"runtimes"
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];
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hash = "sha256-etxgXIdWxMTmbZ83Hsc0w6Jt5OSQSUEPVEWqLkHsNBY=";
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};
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patches = [
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(substitute {
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src = ../common/libcxxabi/wasm.patch;
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replacements = [
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"--replace-fail" "/cmake/" "/llvm/cmake/"
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];
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})
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] ++ lib.optionals stdenv.hostPlatform.isMusl [
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(substitute {
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src = ../common/libcxx/libcxx-0001-musl-hacks.patch;
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replacements = [
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"--replace-fail" "/include/" "/libcxx/include/"
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];
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})
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];
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stdenv = overrideCC stdenv buildLlvmTools.clangNoLibcxx;
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};
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libunwind = callPackage ../common/libunwind {
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src = fetch "libunwind" "192ww6n81lj2mb9pj4043z79jp3cf58a9c2qrxjwm5c3a64n1shb";
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patches = [
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./libunwind/gnu-install-dirs.patch
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];
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stdenv = overrideCC stdenv buildLlvmTools.clangNoLibcxx;
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};
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openmp = callPackage ../common/openmp {
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src = fetch "openmp" "14dh0r6h2xh747ffgnsl4z08h0ri04azi9vf79cbz7ma1r27kzk0";
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patches = [
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# Fix cross.
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(fetchpatch {
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url = "https://github.com/llvm/llvm-project/commit/5e2358c781b85a18d1463fd924d2741d4ae5e42e.patch";
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hash = "sha256-UxIlAifXnexF/MaraPW0Ut6q+sf3e7y1fMdEv1q103A=";
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})
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];
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};
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});
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noExtend = extensible: lib.attrsets.removeAttrs extensible [ "extend" ];
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in { inherit tools libraries; inherit (metadata) release_version; } // (noExtend libraries) // (noExtend tools)
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