2b95bf44b8
Note: Tested in #116646.
205 lines
6.9 KiB
Nix
205 lines
6.9 KiB
Nix
{ lowPrio, newScope, pkgs, lib, stdenv, cmake, gccForLibs
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, libxml2, python3, isl, fetchurl, overrideCC, wrapCCWith, wrapBintoolsWith
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, buildPackages
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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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, darwin
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}:
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let
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release_version = "12.0.0";
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candidate = "rc5"; # empty or "rcN"
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dash-candidate = lib.optionalString (candidate != "") "-${candidate}";
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version = "${release_version}${dash-candidate}"; # differentiating these (variables) is important for RCs
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targetConfig = stdenv.targetPlatform.config;
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fetch = name: sha256: fetchurl {
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url = "https://github.com/llvm/llvm-project/releases/download/llvmorg-${version}/${name}-${release_version}${candidate}.src.tar.xz";
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inherit sha256;
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};
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clang-tools-extra_src = fetch "clang-tools-extra" "1hga9k5m60ywmr7m69jf1v6vj1ra1n6ybv1abzlz94f5q22i1a02";
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tools = lib.makeExtensible (tools: let
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callPackage = newScope (tools // { inherit stdenv cmake libxml2 python3 isl release_version version fetch; });
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mkExtraBuildCommands = cc: ''
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rsrc="$out/resource-root"
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mkdir "$rsrc"
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ln -s "${cc}/lib/clang/${release_version}/include" "$rsrc"
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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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echo "-resource-dir=$rsrc" >> $out/nix-support/cc-cflags
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'';
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in {
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llvm = callPackage ./llvm.nix { };
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clang-unwrapped = callPackage ./clang {
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inherit (tools) lld;
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inherit clang-tools-extra_src;
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};
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# disabled until recommonmark supports sphinx 3
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#Llvm-manpages = lowPrio (tools.llvm.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.clang-unwrapped.override {
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enableManpages = true;
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python3 = pkgs.python3; # don't use python-boot
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});
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# disabled until recommonmark supports sphinx 3
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# lldb-manpages = lowPrio (tools.lldb.override {
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# enableManpages = true;
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# python3 = pkgs.python3; # don't use python-boot
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# });
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libclang = tools.clang-unwrapped.lib;
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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.nix {
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libunwind = libraries.libunwind;
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};
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lldb = callPackage ./lldb.nix {
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inherit (darwin) libobjc bootstrap_cmds;
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inherit (darwin.apple_sdk.libs) xpc;
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inherit (darwin.apple_sdk.frameworks) Foundation Carbon Cocoa;
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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 = callPackage ./bintools.nix {};
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lldClang = wrapCCWith rec {
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cc = tools.clang-unwrapped;
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libcxx = targetLlvmLibraries.libcxx;
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bintools = wrapBintoolsWith {
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inherit (tools) bintools;
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};
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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 ''
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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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lldClangNoLibcxx = wrapCCWith rec {
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cc = tools.clang-unwrapped;
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libcxx = null;
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bintools = wrapBintoolsWith {
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inherit (tools) bintools;
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};
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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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lldClangNoLibc = wrapCCWith rec {
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cc = tools.clang-unwrapped;
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libcxx = null;
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bintools = wrapBintoolsWith {
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inherit (tools) bintools;
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libc = null;
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};
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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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lldClangNoCompilerRt = wrapCCWith {
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cc = tools.clang-unwrapped;
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libcxx = null;
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bintools = wrapBintoolsWith {
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inherit (tools) bintools;
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libc = null;
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};
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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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'';
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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 = callPackage ./compiler-rt.nix ({} //
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(lib.optionalAttrs (stdenv.hostPlatform.useLLVM or false) {
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stdenv = overrideCC stdenv buildLlvmTools.lldClangNoCompilerRt;
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}));
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stdenv = overrideCC stdenv buildLlvmTools.clang;
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libcxxStdenv = overrideCC stdenv buildLlvmTools.libcxxClang;
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libcxx = callPackage ./libc++ ({} //
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(lib.optionalAttrs (stdenv.hostPlatform.useLLVM or false) {
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stdenv = overrideCC stdenv buildLlvmTools.lldClangNoLibcxx;
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}));
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libcxxabi = callPackage ./libc++abi.nix ({} //
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(lib.optionalAttrs (stdenv.hostPlatform.useLLVM or false) {
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stdenv = overrideCC stdenv buildLlvmTools.lldClangNoLibcxx;
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libunwind = libraries.libunwind;
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}));
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openmp = callPackage ./openmp.nix {};
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libunwind = callPackage ./libunwind.nix ({} //
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(lib.optionalAttrs (stdenv.hostPlatform.useLLVM or false) {
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stdenv = overrideCC stdenv buildLlvmTools.lldClangNoLibcxx;
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}));
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});
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in { inherit tools libraries; } // libraries // tools
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