439 lines
15 KiB
Nix
439 lines
15 KiB
Nix
{
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lowPrio,
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newScope,
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pkgs,
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lib,
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stdenv,
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cmake,
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ninja,
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preLibcCrossHeaders,
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libxml2,
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python3,
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fetchFromGitHub,
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fetchpatch,
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substituteAll,
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overrideCC,
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wrapCCWith,
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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 verion's, if LLD is the choice. We use these for
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# the `useLLVM` bootstrapping below.
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bootBintoolsNoLibc ? if stdenv.targetPlatform.linker == "lld" then null else pkgs.bintoolsNoLibc,
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bootBintools ? if stdenv.targetPlatform.linker == "lld" then null else pkgs.bintools,
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darwin,
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# LLVM release information; specify one of these but not both:
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gitRelease ? null,
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# i.e.:
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# {
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# version = /* i.e. "15.0.0" */;
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# rev = /* commit SHA */;
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# rev-version = /* human readable version; i.e. "unstable-2022-26-07" */;
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# sha256 = /* checksum for this release, can omit if specifying your own `monorepoSrc` */;
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# }
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officialRelease ? {
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version = "17.0.6";
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sha256 = "sha256-8MEDLLhocshmxoEBRSKlJ/GzJ8nfuzQ8qn0X/vLA+ag=";
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},
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# i.e.:
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# {
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# version = /* i.e. "15.0.0" */;
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# candidate = /* optional; if specified, should be: "rcN" */
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# sha256 = /* checksum for this release, can omit if specifying your own `monorepoSrc` */;
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# }
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# By default, we'll try to fetch a release from `github:llvm/llvm-project`
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# corresponding to the `gitRelease` or `officialRelease` specified.
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#
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# You can provide your own LLVM source by specifying this arg but then it's up
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# to you to make sure that the LLVM repo given matches the release configuration
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# specified.
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monorepoSrc ? null,
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}:
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assert lib.assertMsg (lib.xor (gitRelease != null) (officialRelease != null)) (
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"must specify `gitRelease` or `officialRelease`"
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+ (lib.optionalString (gitRelease != null) " — not both")
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);
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let
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monorepoSrc' = monorepoSrc;
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in
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let
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inherit (import ../common/common-let.nix { inherit lib gitRelease officialRelease; }) releaseInfo;
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inherit (releaseInfo) release_version version;
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inherit
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(import ../common/common-let.nix {
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inherit
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lib
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fetchFromGitHub
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release_version
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gitRelease
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officialRelease
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monorepoSrc'
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;
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})
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llvm_meta
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monorepoSrc
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;
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tools = lib.makeExtensible (
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tools:
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let
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callPackage = newScope (
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tools
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// {
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inherit
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stdenv
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cmake
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ninja
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libxml2
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python3
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release_version
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version
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monorepoSrc
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buildLlvmTools
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;
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}
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);
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major = lib.versions.major release_version;
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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 "${cc.lib}/lib/clang/${major}/include" "$rsrc"
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echo "-resource-dir=$rsrc" >> $out/nix-support/cc-cflags
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'';
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mkExtraBuildCommands =
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cc:
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mkExtraBuildCommands0 cc
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+ ''
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ln -s "${targetLlvmLibraries.compiler-rt.out}/lib" "$rsrc/lib"
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ln -s "${targetLlvmLibraries.compiler-rt.out}/share" "$rsrc/share"
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'';
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bintoolsNoLibc' = if bootBintoolsNoLibc == null then tools.bintoolsNoLibc else bootBintoolsNoLibc;
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bintools' = if bootBintools == null then tools.bintools else bootBintools;
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in
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{
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libllvm = callPackage ./llvm { inherit llvm_meta; };
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# `llvm` historically had the binaries. When choosing an output explicitly,
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# we need to reintroduce `outputSpecified` to get the expected behavior e.g. of lib.get*
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llvm = tools.libllvm;
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libclang = callPackage ../common/clang {
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patches = [
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./clang/purity.patch
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# https://reviews.llvm.org/D51899
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./clang/gnu-install-dirs.patch
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../common/clang/add-nostdlibinc-flag.patch
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(substituteAll {
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src = ../common/clang/clang-at-least-16-LLVMgold-path.patch;
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libllvmLibdir = "${tools.libllvm.lib}/lib";
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})
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];
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inherit llvm_meta;
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};
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clang-unwrapped = tools.libclang;
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llvm-manpages = lowPrio (
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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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);
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clang-manpages = lowPrio (
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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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);
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lldb-manpages = lowPrio (
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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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);
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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.useLLVM or false then
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tools.clangUseLLVM
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else if (pkgs.targetPackages.stdenv or stdenv).cc.isGNU then
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tools.libstdcxxClang
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else
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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 = [ targetLlvmLibraries.compiler-rt ];
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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 = [ targetLlvmLibraries.compiler-rt ];
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extraBuildCommands = mkExtraBuildCommands cc;
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};
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lld = callPackage ../common/lld {
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patches = [
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./lld/gnu-install-dirs.patch
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./lld/add-table-base.patch
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];
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inherit llvm_meta;
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};
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mlir = callPackage ../common/mlir { inherit llvm_meta; };
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lldb = callPackage ../common/lldb.nix {
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src = callPackage (
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{ runCommand }:
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runCommand "lldb-src-${version}" { } ''
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mkdir -p "$out"
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cp -r ${monorepoSrc}/cmake "$out"
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cp -r ${monorepoSrc}/lldb "$out"
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''
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) { };
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patches =
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[
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# FIXME: do we need this? ./procfs.patch
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../common/lldb/gnu-install-dirs.patch
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]
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# This is a stopgap solution if/until the macOS SDK used for x86_64 is
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# updated.
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#
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# The older 10.12 SDK used on x86_64 as of this writing has a `mach/machine.h`
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# header that does not define `CPU_SUBTYPE_ARM64E` so we replace the one use
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# of this preprocessor symbol in `lldb` with its expansion.
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#
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# See here for some context:
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# https://github.com/NixOS/nixpkgs/pull/194634#issuecomment-1272129132
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++ lib.optional (
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stdenv.targetPlatform.isDarwin
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&& !stdenv.targetPlatform.isAarch64
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&& (lib.versionOlder darwin.apple_sdk.sdk.version "11.0")
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) ./lldb/cpu_subtype_arm64e_replacement.patch;
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inherit llvm_meta;
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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 { bintools = tools.bintools-unwrapped; };
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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) [ targetLlvmLibraries.libunwind ];
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extraBuildCommands = mkExtraBuildCommands cc;
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nixSupport.cc-cflags =
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[
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"-rtlib=compiler-rt"
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"-Wno-unused-command-line-argument"
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"-B${targetLlvmLibraries.compiler-rt}/lib"
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]
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++ lib.optional (!stdenv.targetPlatform.isWasm) "--unwindlib=libunwind"
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++ lib.optional (!stdenv.targetPlatform.isWasm && stdenv.targetPlatform.useLLVM or false) "-lunwind"
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++ lib.optional stdenv.targetPlatform.isWasm "-fno-exceptions";
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nixSupport.cc-ldflags = lib.optionals (!stdenv.targetPlatform.isWasm) [
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"-L${targetLlvmLibraries.libunwind}/lib"
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];
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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 = [ targetLlvmLibraries.compiler-rt ];
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extraBuildCommands = mkExtraBuildCommands cc;
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nixSupport.cc-cflags = [
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"-rtlib=compiler-rt"
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"-B${targetLlvmLibraries.compiler-rt}/lib"
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"-nostdlib++"
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] ++ lib.optional stdenv.targetPlatform.isWasm "-fno-exceptions";
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};
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clangNoLibc = wrapCCWith rec {
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cc = tools.clang-unwrapped;
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libcxx = null;
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bintools = bintoolsNoLibc';
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extraPackages = [ targetLlvmLibraries.compiler-rt ];
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extraBuildCommands = mkExtraBuildCommands cc;
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nixSupport.cc-cflags = [
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"-rtlib=compiler-rt"
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"-B${targetLlvmLibraries.compiler-rt}/lib"
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] ++ lib.optional stdenv.targetPlatform.isWasm "-fno-exceptions";
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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 = mkExtraBuildCommands0 cc;
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nixSupport.cc-cflags = [
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"-nostartfiles"
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] ++ lib.optional stdenv.targetPlatform.isWasm "-fno-exceptions";
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};
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clangNoCompilerRtWithLibc = wrapCCWith (
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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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// lib.optionalAttrs stdenv.targetPlatform.isWasm { nixSupport.cc-cflags = [ "-fno-exceptions" ]; }
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);
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# Has to be in tools despite mostly being a library,
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# because we use a native helper executable from a
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# non-cross build in cross builds.
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libclc = callPackage ../common/libclc.nix { inherit buildLlvmTools; };
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}
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);
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libraries = lib.makeExtensible (
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libraries:
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let
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callPackage = newScope (
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libraries
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// buildLlvmTools
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// {
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inherit
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stdenv
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cmake
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ninja
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libxml2
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python3
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release_version
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version
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monorepoSrc
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;
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}
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);
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in
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{
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compiler-rt-libc = callPackage ../common/compiler-rt {
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patches = [
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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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# Prevent a compilation error on darwin
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./compiler-rt/darwin-targetconditionals.patch
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# See: https://github.com/NixOS/nixpkgs/pull/186575
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../common/compiler-rt/darwin-plistbuddy-workaround.patch
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# See: https://github.com/NixOS/nixpkgs/pull/194634#discussion_r999829893
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# ../common/compiler-rt/armv7l-15.patch
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];
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inherit llvm_meta;
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stdenv =
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if
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stdenv.hostPlatform.useLLVM or false
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|| (stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isStatic)
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then
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overrideCC stdenv buildLlvmTools.clangNoCompilerRtWithLibc
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else
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stdenv;
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};
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compiler-rt-no-libc = callPackage ../common/compiler-rt {
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patches = [
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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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# Prevent a compilation error on darwin
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./compiler-rt/darwin-targetconditionals.patch
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# See: https://github.com/NixOS/nixpkgs/pull/186575
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../common/compiler-rt/darwin-plistbuddy-workaround.patch
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# See: https://github.com/NixOS/nixpkgs/pull/194634#discussion_r999829893
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# ../common/compiler-rt/armv7l-15.patch
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];
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inherit llvm_meta;
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stdenv =
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if stdenv.hostPlatform.useLLVM or false then
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overrideCC stdenv buildLlvmTools.clangNoCompilerRt
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else
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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 =
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if stdenv.hostPlatform.isAndroid || stdenv.hostPlatform.isDarwin then
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libraries.compiler-rt-libc
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else
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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` requires a fairly modern C++ compiler,
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# so: we use the clang from this LLVM package set instead of the regular
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# stdenv's compiler.
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libcxx = callPackage ../common/libcxx {
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patches =
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lib.optionals (stdenv.isDarwin && lib.versionOlder stdenv.hostPlatform.darwinMinVersion "10.13")
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[
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# https://github.com/llvm/llvm-project/issues/64226
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(fetchpatch {
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name = "0042-mbstate_t-not-defined.patch";
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url = "https://github.com/macports/macports-ports/raw/acd8acb171f1658596ed1cf25da48d5b932e2d19/lang/llvm-17/files/0042-mbstate_t-not-defined.patch";
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hash = "sha256-jo+DYA6zuSv9OH3A0bYwY5TlkWprup4OKQ7rfK1WHBI=";
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})
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];
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inherit llvm_meta;
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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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inherit llvm_meta;
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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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patches = [
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./openmp/fix-find-tool.patch
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./openmp/gnu-install-dirs.patch
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./openmp/run-lit-directly.patch
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];
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inherit llvm_meta targetLlvm;
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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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|
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in
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{ inherit tools libraries release_version; } // (noExtend libraries) // (noExtend tools)
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