mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-22 21:53:32 +00:00
271 lines
8.8 KiB
Nix
271 lines
8.8 KiB
Nix
{ lowPrio, newScope, pkgs, lib, stdenv, cmake
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, gccForLibs, preLibcCrossHeaders
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, libxml2, python3, isl, fetchurl, 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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# 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 ?
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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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}:
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let
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release_version = "8.0.1";
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version = release_version; # differentiating these is important for rc's
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targetConfig = stdenv.targetPlatform.config;
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fetch = name: sha256: fetchurl {
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url = "https://github.com/llvm/llvm-project/releases/download/llvmorg-${release_version}/${name}-${version}.src.tar.xz";
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inherit sha256;
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};
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clang-tools-extra_src = fetch "clang-tools-extra" "1qf3097bc5ia8p6cpmbx985rjr3yaah5s8fc0nv7pw742yv7jw8q";
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llvm_meta = {
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license = lib.licenses.ncsa;
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maintainers = with lib.maintainers; [ lovek323 raskin dtzWill primeos ];
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platforms = lib.platforms.all;
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};
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tools = lib.makeExtensible (tools: let
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callPackage = newScope (tools // { inherit stdenv cmake libxml2 python3 isl release_version version fetch buildLlvmTools; });
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mkExtraBuildCommands0 = cc: ''
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rsrc="$out/resource-root"
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mkdir "$rsrc"
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ln -s "${cc.lib}/lib/clang/${release_version}/include" "$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 ./llvm {
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inherit llvm_meta;
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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 `outputUnspecified` to get the expected behavior e.g. of lib.get*
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llvm = tools.libllvm.out // { outputUnspecified = true; };
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libllvm-polly = callPackage ./llvm {
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inherit llvm_meta;
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enablePolly = true;
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};
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llvm-polly = tools.libllvm-polly.lib // { outputUnspecified = true; };
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libclang = callPackage ./clang {
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inherit clang-tools-extra_src llvm_meta;
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};
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clang-unwrapped = tools.libclang.out // { outputUnspecified = true; };
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clang-polly-unwrapped = callPackage ./clang {
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inherit llvm_meta;
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inherit clang-tools-extra_src;
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libllvm = tools.libllvm-polly;
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enablePolly = true;
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};
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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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clang = if stdenv.cc.isGNU then tools.libstdcxxClang 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.libcxxabi
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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 ./lld {
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inherit llvm_meta;
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};
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lldb = callPackage ./lldb {
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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 ./bintools {};
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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.libcxxabi
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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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'' + 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 // { inherit stdenv cmake libxml2 python3 isl release_version version fetch; });
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in {
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compiler-rt-libc = callPackage ./compiler-rt {
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inherit llvm_meta;
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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 ./compiler-rt {
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inherit llvm_meta;
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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 ./libcxx {
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inherit llvm_meta;
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stdenv = if stdenv.hostPlatform.useLLVM or false
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then overrideCC stdenv buildLlvmTools.clangNoLibcxx
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else stdenv;
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};
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libcxxabi = callPackage ./libcxxabi {
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inherit llvm_meta;
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stdenv = if stdenv.hostPlatform.useLLVM or false
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then overrideCC stdenv buildLlvmTools.clangNoLibcxx
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else stdenv;
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};
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libunwind = callPackage ./libunwind {
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inherit llvm_meta;
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stdenv = if stdenv.hostPlatform.useLLVM or false
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then overrideCC stdenv buildLlvmTools.clangNoLibcxx
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else stdenv;
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};
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openmp = callPackage ./openmp {
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inherit llvm_meta;
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};
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});
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in { inherit tools libraries; } // libraries // tools
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