99df680e03
Currently, overriding llvmPackages.libllvm doesn’t work correctly. The original version of libllvm will also be built because it is referenced by libclang. Switching to the fixpoint allows the override to be propagated to clang as expected. This will be needed for future Darwin stdenv bootstrap improvements.
389 lines
14 KiB
Nix
389 lines
14 KiB
Nix
{ lowPrio, newScope, pkgs, lib, stdenv, cmake
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, preLibcCrossHeaders
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, fetchpatch
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, libxml2, python3, isl, fetchFromGitHub, substitute, substituteAll, 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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# 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 ? { version = "13.0.1"; sha256 = "06dv6h5dmvzdxbif2s8njki6h32796v368dyb5945x8gjj72xh7k"; }
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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
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lib.assertMsg
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(lib.xor
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(gitRelease != null)
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(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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let
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monorepoSrc' = monorepoSrc;
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in let
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# Import releaseInfo separately to avoid infinite recursion
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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 (import ../common/common-let.nix { inherit lib fetchFromGitHub release_version gitRelease officialRelease monorepoSrc'; }) llvm_meta monorepoSrc;
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src = monorepoSrc;
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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 src 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 `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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# Revert of https://reviews.llvm.org/D100879
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# The malloc alignment assumption is incorrect for jemalloc and causes
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# mis-compilation in firefox.
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# See: https://bugzilla.mozilla.org/show_bug.cgi?id=1741454
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./clang/revert-malloc-alignment-assumption.patch
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../common/clang/add-nostdlibinc-flag.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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inherit llvm_meta;
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};
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clang-unwrapped = tools.libclang;
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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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# TODO: lldb/docs/index.rst:155:toctree contains reference to nonexisting document 'design/structureddataplugins'
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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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patches = [
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./lld/gnu-install-dirs.patch
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];
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inherit llvm_meta;
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};
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lldb = callPackage ../common/lldb.nix {
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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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# 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 {
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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 // { inherit stdenv cmake libxml2 python3 isl release_version version src; });
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in {
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compiler-rt-libc = callPackage ../common/compiler-rt {
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patches = [
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./compiler-rt/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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# 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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../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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../common/compiler-rt/armv6-scudo-no-yield.patch
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../common/compiler-rt/armv6-scudo-libatomic.patch
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];
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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 ../common/compiler-rt {
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patches = [
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./compiler-rt/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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# 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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../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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../common/compiler-rt/armv6-scudo-no-yield.patch
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../common/compiler-rt/armv6-scudo-libatomic.patch
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];
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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 ../common/libcxx {
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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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inherit llvm_meta;
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stdenv = overrideCC stdenv buildLlvmTools.clangNoLibcxx;
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monorepoSrc = src;
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};
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libunwind = callPackage ../common/libunwind {
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patches = [
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./libunwind/gnu-install-dirs.patch
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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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openmp = callPackage ../common/openmp {
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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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inherit llvm_meta targetLlvm;
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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 release_version; } // (noExtend libraries) // (noExtend tools)
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