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|
{ lowPrio, newScope, pkgs, lib, stdenv
, preLibcCrossHeaders
, substitute, substituteAll, fetchFromGitHub, fetchpatch
, overrideCC, wrapCCWith, wrapBintoolsWith
, buildLlvmTools # tools, but from the previous stage, for cross
, targetLlvmLibraries # libraries, but from the next stage, for cross
, targetLlvm
# This is the default binutils, but with *this* version of LLD rather
# than the default LLVM version's, if LLD is the choice. We use these for
# the `useLLVM` bootstrapping below.
, bootBintoolsNoLibc ?
if stdenv.targetPlatform.linker == "lld"
then null
else pkgs.bintoolsNoLibc
, bootBintools ?
if stdenv.targetPlatform.linker == "lld"
then null
else pkgs.bintools
, darwin
# LLVM release information; specify one of these but not both:
, gitRelease ? null
# i.e.:
# {
# version = /* i.e. "15.0.0" */;
# rev = /* commit SHA */;
# rev-version = /* human readable version; i.e. "unstable-2022-26-07" */;
# sha256 = /* checksum for this release, can omit if specifying your own `monorepoSrc` */;
# }
, officialRelease ? { version = "14.0.6"; sha256 = "sha256-vffu4HilvYwtzwgq+NlS26m65DGbp6OSSne2aje1yJE="; }
# i.e.:
# {
# version = /* i.e. "15.0.0" */;
# candidate = /* optional; if specified, should be: "rcN" */
# sha256 = /* checksum for this release, can omit if specifying your own `monorepoSrc` */;
# }
# By default, we'll try to fetch a release from `github:llvm/llvm-project`
# corresponding to the `gitRelease` or `officialRelease` specified.
#
# You can provide your own LLVM source by specifying this arg but then it's up
# to you to make sure that the LLVM repo given matches the release configuration
# specified.
, monorepoSrc ? null
# Allows passthrough to packages via newScope. This makes it possible to
# do `(llvmPackages.override { <someLlvmDependency> = bar; }).clang` and get
# an llvmPackages whose packages are overridden in an internally consistent way.
, ...
}@args:
assert
lib.assertMsg
(lib.xor
(gitRelease != null)
(officialRelease != null))
("must specify `gitRelease` or `officialRelease`" +
(lib.optionalString (gitRelease != null) " — not both"));
let
monorepoSrc' = monorepoSrc;
in let
metadata = rec {
# Import releaseInfo separately to avoid infinite recursion
inherit (import ../common/common-let.nix { inherit lib gitRelease officialRelease; }) releaseInfo;
inherit (releaseInfo) release_version version;
inherit (import ../common/common-let.nix { inherit lib fetchFromGitHub release_version gitRelease officialRelease monorepoSrc'; }) llvm_meta monorepoSrc;
};
tools = lib.makeExtensible (tools: let
callPackage = newScope (tools // args // metadata);
mkExtraBuildCommands0 = cc: ''
rsrc="$out/resource-root"
mkdir "$rsrc"
ln -s "${cc.lib}/lib/clang/${metadata.release_version}/include" "$rsrc"
echo "-resource-dir=$rsrc" >> $out/nix-support/cc-cflags
'';
mkExtraBuildCommands = cc: mkExtraBuildCommands0 cc + ''
ln -s "${targetLlvmLibraries.compiler-rt.out}/lib" "$rsrc/lib"
ln -s "${targetLlvmLibraries.compiler-rt.out}/share" "$rsrc/share"
'';
bintoolsNoLibc' =
if bootBintoolsNoLibc == null
then tools.bintoolsNoLibc
else bootBintoolsNoLibc;
bintools' =
if bootBintools == null
then tools.bintools
else bootBintools;
in {
libllvm = callPackage ../common/llvm {
patches = [
./llvm/gnu-install-dirs.patch
# Fix musl build.
(fetchpatch {
url = "https://github.com/llvm/llvm-project/commit/5cd554303ead0f8891eee3cd6d25cb07f5a7bf67.patch";
relative = "llvm";
hash = "sha256-XPbvNJ45SzjMGlNUgt/IgEvM2dHQpDOe6woUJY+nUYA=";
})
# fix RuntimeDyld usage on aarch64-linux (e.g. python312Packages.numba tests)
(fetchpatch {
url = "https://github.com/llvm/llvm-project/commit/2e1b838a889f9793d4bcd5dbfe10db9796b77143.patch";
relative = "llvm";
hash = "sha256-Ot45P/iwaR4hkcM3xtLwfryQNgHI6pv6ADjv98tgdZA=";
})
];
pollyPatches = [
./llvm/gnu-install-dirs-polly.patch
];
};
# `llvm` historically had the binaries. When choosing an output explicitly,
# we need to reintroduce `outputSpecified` to get the expected behavior e.g. of lib.get*
llvm = tools.libllvm;
libclang = callPackage ../common/clang {
patches = [
./clang/purity.patch
# https://reviews.llvm.org/D51899
./clang/gnu-install-dirs.patch
../common/clang/add-nostdlibinc-flag.patch
(substituteAll {
src = ../common/clang/clang-11-15-LLVMgold-path.patch;
libllvmLibdir = "${tools.libllvm.lib}/lib";
})
];
};
clang-unwrapped = tools.libclang;
llvm-manpages = lowPrio (tools.libllvm.override {
enableManpages = true;
python3 = pkgs.python3; # don't use python-boot
});
clang-manpages = lowPrio (tools.libclang.override {
enableManpages = true;
python3 = pkgs.python3; # don't use python-boot
});
# TODO: lldb/docs/index.rst:155:toctree contains reference to nonexisting document 'design/structureddataplugins'
# lldb-manpages = lowPrio (tools.lldb.override {
# enableManpages = true;
# python3 = pkgs.python3; # don't use python-boot
# });
# Wrapper for standalone command line utilities
clang-tools = callPackage ../common/clang-tools { };
# pick clang appropriate for package set we are targeting
clang =
/**/ if stdenv.targetPlatform.libc == null then tools.clangNoLibc
else if stdenv.targetPlatform.useLLVM or false then tools.clangUseLLVM
else if (pkgs.targetPackages.stdenv or stdenv).cc.isGNU then tools.libstdcxxClang
else tools.libcxxClang;
libstdcxxClang = wrapCCWith rec {
cc = tools.clang-unwrapped;
# libstdcxx is taken from gcc in an ad-hoc way in cc-wrapper.
libcxx = null;
extraPackages = [
targetLlvmLibraries.compiler-rt
];
extraBuildCommands = mkExtraBuildCommands cc;
};
libcxxClang = wrapCCWith rec {
cc = tools.clang-unwrapped;
libcxx = targetLlvmLibraries.libcxx;
extraPackages = [
targetLlvmLibraries.compiler-rt
];
extraBuildCommands = mkExtraBuildCommands cc;
};
lld = callPackage ../common/lld {
patches = [
./lld/gnu-install-dirs.patch
./lld/fix-root-src-dir.patch
];
};
lldb = callPackage ../common/lldb.nix {
patches =
let
resourceDirPatch = callPackage
({ substituteAll, libclang }: substituteAll
{
src = ./lldb/resource-dir.patch;
clangLibDir = "${libclang.lib}/lib";
})
{ };
in
[
./lldb/procfs.patch
resourceDirPatch
../common/lldb/gnu-install-dirs.patch
]
# This is a stopgap solution if/until the macOS SDK used for x86_64 is
# updated.
#
# The older 10.12 SDK used on x86_64 as of this writing has a `mach/machine.h`
# header that does not define `CPU_SUBTYPE_ARM64E` so we replace the one use
# of this preprocessor symbol in `lldb` with its expansion.
#
# See here for some context:
# https://github.com/NixOS/nixpkgs/pull/194634#issuecomment-1272129132
++ lib.optional (
stdenv.targetPlatform.isDarwin
&& !stdenv.targetPlatform.isAarch64
&& (lib.versionOlder darwin.apple_sdk.sdk.version "11.0")
) ./lldb/cpu_subtype_arm64e_replacement.patch;
};
# Below, is the LLVM bootstrapping logic. It handles building a
# fully LLVM toolchain from scratch. No GCC toolchain should be
# pulled in. As a consequence, it is very quick to build different
# targets provided by LLVM and we can also build for what GCC
# doesn’t support like LLVM. Probably we should move to some other
# file.
bintools-unwrapped = callPackage ../common/bintools.nix { };
bintoolsNoLibc = wrapBintoolsWith {
bintools = tools.bintools-unwrapped;
libc = preLibcCrossHeaders;
};
bintools = wrapBintoolsWith {
bintools = tools.bintools-unwrapped;
};
clangUseLLVM = wrapCCWith rec {
cc = tools.clang-unwrapped;
libcxx = targetLlvmLibraries.libcxx;
bintools = bintools';
extraPackages = [
targetLlvmLibraries.compiler-rt
] ++ lib.optionals (!stdenv.targetPlatform.isWasm) [
targetLlvmLibraries.libunwind
];
extraBuildCommands = mkExtraBuildCommands cc;
nixSupport.cc-cflags =
[ "-rtlib=compiler-rt"
"-Wno-unused-command-line-argument"
"-B${targetLlvmLibraries.compiler-rt}/lib"
]
++ lib.optional (!stdenv.targetPlatform.isWasm) "--unwindlib=libunwind"
++ lib.optional
(!stdenv.targetPlatform.isWasm && stdenv.targetPlatform.useLLVM or false)
"-lunwind"
++ lib.optional stdenv.targetPlatform.isWasm "-fno-exceptions";
nixSupport.cc-ldflags = lib.optionals (!stdenv.targetPlatform.isWasm) [ "-L${targetLlvmLibraries.libunwind}/lib" ];
};
clangNoLibcxx = wrapCCWith rec {
cc = tools.clang-unwrapped;
libcxx = null;
bintools = bintools';
extraPackages = [
targetLlvmLibraries.compiler-rt
];
extraBuildCommands = mkExtraBuildCommands cc;
nixSupport.cc-cflags = [
"-rtlib=compiler-rt"
"-B${targetLlvmLibraries.compiler-rt}/lib"
"-nostdlib++"
];
};
clangNoLibc = wrapCCWith rec {
cc = tools.clang-unwrapped;
libcxx = null;
bintools = bintoolsNoLibc';
extraPackages = [
targetLlvmLibraries.compiler-rt
];
extraBuildCommands = mkExtraBuildCommands cc;
nixSupport.cc-cflags = [
"-rtlib=compiler-rt"
"-B${targetLlvmLibraries.compiler-rt}/lib"
];
};
clangNoCompilerRt = wrapCCWith rec {
cc = tools.clang-unwrapped;
libcxx = null;
bintools = bintoolsNoLibc';
extraPackages = [ ];
extraBuildCommands = mkExtraBuildCommands0 cc;
nixSupport.cc-cflags = [ "-nostartfiles" ];
};
clangNoCompilerRtWithLibc = wrapCCWith rec {
cc = tools.clang-unwrapped;
libcxx = null;
bintools = bintools';
extraPackages = [ ];
extraBuildCommands = mkExtraBuildCommands0 cc;
};
});
libraries = lib.makeExtensible (libraries: let
callPackage = newScope (libraries // buildLlvmTools // args // metadata);
in {
compiler-rt-libc = callPackage ../common/compiler-rt {
patches = [
./compiler-rt/codesign.patch # Revert compiler-rt commit that makes codesign mandatory
./compiler-rt/X86-support-extension.patch # Add support for i486 i586 i686 by reusing i386 config
./compiler-rt/gnu-install-dirs.patch
# ld-wrapper dislikes `-rpath-link //nix/store`, so we normalize away the
# extra `/`.
./compiler-rt/normalize-var.patch
# Prevent a compilation error on darwin
./compiler-rt/darwin-targetconditionals.patch
../common/compiler-rt/darwin-plistbuddy-workaround.patch
./compiler-rt/armv7l.patch
# Fix build on armv6l
../common/compiler-rt/armv6-mcr-dmb.patch
../common/compiler-rt/armv6-sync-ops-no-thumb.patch
../common/compiler-rt/armv6-no-ldrexd-strexd.patch
../common/compiler-rt/armv6-scudo-no-yield.patch
../common/compiler-rt/armv6-scudo-libatomic.patch
];
stdenv = if stdenv.hostPlatform.useLLVM or false
then overrideCC stdenv buildLlvmTools.clangNoCompilerRtWithLibc
else stdenv;
};
compiler-rt-no-libc = callPackage ../common/compiler-rt {
patches = [
./compiler-rt/codesign.patch # Revert compiler-rt commit that makes codesign mandatory
./compiler-rt/X86-support-extension.patch # Add support for i486 i586 i686 by reusing i386 config
./compiler-rt/gnu-install-dirs.patch
# ld-wrapper dislikes `-rpath-link //nix/store`, so we normalize away the
# extra `/`.
./compiler-rt/normalize-var.patch
# Prevent a compilation error on darwin
./compiler-rt/darwin-targetconditionals.patch
../common/compiler-rt/darwin-plistbuddy-workaround.patch
./compiler-rt/armv7l.patch
# Fix build on armv6l
../common/compiler-rt/armv6-mcr-dmb.patch
../common/compiler-rt/armv6-sync-ops-no-thumb.patch
../common/compiler-rt/armv6-no-ldrexd-strexd.patch
../common/compiler-rt/armv6-scudo-no-yield.patch
../common/compiler-rt/armv6-scudo-libatomic.patch
];
stdenv = if stdenv.hostPlatform.useLLVM or false
then overrideCC stdenv buildLlvmTools.clangNoCompilerRt
else stdenv;
};
# N.B. condition is safe because without useLLVM both are the same.
compiler-rt = if stdenv.hostPlatform.isAndroid
then libraries.compiler-rt-libc
else libraries.compiler-rt-no-libc;
stdenv = overrideCC stdenv buildLlvmTools.clang;
libcxxStdenv = overrideCC stdenv buildLlvmTools.libcxxClang;
libcxx = callPackage ../common/libcxx {
patches = [
(substitute {
src = ../common/libcxxabi/wasm.patch;
substitutions = [
"--replace-fail" "/cmake/" "/llvm/cmake/"
];
})
] ++ lib.optionals stdenv.hostPlatform.isMusl [
(substitute {
src = ../common/libcxx/libcxx-0001-musl-hacks.patch;
substitutions = [
"--replace-fail" "/include/" "/libcxx/include/"
];
})
];
stdenv = overrideCC stdenv buildLlvmTools.clangNoLibcxx;
};
libunwind = callPackage ../common/libunwind {
patches = [
./libunwind/gnu-install-dirs.patch
];
stdenv = overrideCC stdenv buildLlvmTools.clangNoLibcxx;
};
openmp = callPackage ../common/openmp {
patches = [
./openmp/gnu-install-dirs.patch
./openmp/run-lit-directly.patch
];
};
});
noExtend = extensible: lib.attrsets.removeAttrs extensible [ "extend" ];
in { inherit tools libraries; inherit (metadata) release_version; } // (noExtend libraries) // (noExtend tools)
|