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|
{ lowPrio, newScope, pkgs, stdenv, cmake, libstdcxxHook
, libxml2, python3, isl, fetchurl, overrideCC, wrapCCWith, wrapBintoolsWith
, buildLlvmTools # tools, but from the previous stage, for cross
, targetLlvmLibraries # libraries, but from the next stage, for cross
}:
let
release_version = "10.0.0";
version = release_version; # differentiating these (variables) is important for rc's
fetch = name: sha256: fetchurl {
url = "https://github.com/llvm/llvm-project/releases/download/llvmorg-${release_version}/${name}-${version}.src.tar.xz";
inherit sha256;
};
clang-tools-extra_src = fetch "clang-tools-extra" "074ija5s2jsdn0k035r2dzmryjmqxdnyg4xwvaqych2bazv8rpxc";
tools = stdenv.lib.makeExtensible (tools: let
callPackage = newScope (tools // { inherit stdenv cmake libxml2 python3 isl release_version version fetch; });
mkExtraBuildCommands = cc: ''
rsrc="$out/resource-root"
mkdir "$rsrc"
ln -s "${cc}/lib/clang/${release_version}/include" "$rsrc"
ln -s "${targetLlvmLibraries.compiler-rt.out}/lib" "$rsrc/lib"
echo "-resource-dir=$rsrc" >> $out/nix-support/cc-cflags
'' + stdenv.lib.optionalString (stdenv.targetPlatform.isLinux && tools.clang-unwrapped ? gcc && !(stdenv.targetPlatform.useLLVM or false)) ''
echo "--gcc-toolchain=${tools.clang-unwrapped.gcc}" >> $out/nix-support/cc-cflags
'';
in {
llvm = callPackage ./llvm.nix { };
clang-unwrapped = callPackage ./clang {
inherit (tools) lld;
inherit clang-tools-extra_src;
};
llvm-manpages = lowPrio (tools.llvm.override {
enableManpages = true;
python3 = pkgs.python3; # don't use python-boot
});
clang-manpages = lowPrio (tools.clang-unwrapped.override {
enableManpages = true;
python3 = pkgs.python3; # don't use python-boot
});
lldb-manpages = lowPrio (tools.lldb.override {
enableManpages = true;
python3 = pkgs.python3; # don't use python-boot
});
libclang = tools.clang-unwrapped.lib;
clang = if stdenv.cc.isGNU then tools.libstdcxxClang else tools.libcxxClang;
libstdcxxClang = wrapCCWith rec {
cc = tools.clang-unwrapped;
extraPackages = [
libstdcxxHook
targetLlvmLibraries.compiler-rt
];
extraBuildCommands = mkExtraBuildCommands cc;
};
libcxxClang = wrapCCWith rec {
cc = tools.clang-unwrapped;
libcxx = targetLlvmLibraries.libcxx;
extraPackages = [
targetLlvmLibraries.libcxx
targetLlvmLibraries.libcxxabi
targetLlvmLibraries.compiler-rt
];
extraBuildCommands = mkExtraBuildCommands cc;
};
lld = callPackage ./lld.nix {};
lldb = callPackage ./lldb.nix {};
# 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 = callPackage ./bintools.nix {};
lldClang = wrapCCWith rec {
cc = tools.clang-unwrapped;
libcxx = targetLlvmLibraries.libcxx;
bintools = wrapBintoolsWith {
inherit (tools) bintools;
};
extraPackages = [
targetLlvmLibraries.libcxx
targetLlvmLibraries.libcxxabi
targetLlvmLibraries.compiler-rt
] ++ stdenv.lib.optionals (!stdenv.targetPlatform.isWasm) [
targetLlvmLibraries.libunwind
];
extraBuildCommands = ''
echo "-target ${stdenv.targetPlatform.config}" >> $out/nix-support/cc-cflags
echo "-rtlib=compiler-rt -Wno-unused-command-line-argument" >> $out/nix-support/cc-cflags
echo "-B${targetLlvmLibraries.compiler-rt}/lib" >> $out/nix-support/cc-cflags
'' + stdenv.lib.optionalString (!stdenv.targetPlatform.isWasm) ''
echo "--unwindlib=libunwind" >> $out/nix-support/cc-cflags
'' + stdenv.lib.optionalString stdenv.targetPlatform.isWasm ''
echo "-fno-exceptions" >> $out/nix-support/cc-cflags
'' + mkExtraBuildCommands cc;
};
lldClangNoLibcxx = wrapCCWith rec {
cc = tools.clang-unwrapped;
libcxx = null;
bintools = wrapBintoolsWith {
inherit (tools) bintools;
};
extraPackages = [
targetLlvmLibraries.compiler-rt
];
extraBuildCommands = ''
echo "-target ${stdenv.targetPlatform.config}" >> $out/nix-support/cc-cflags
echo "-rtlib=compiler-rt" >> $out/nix-support/cc-cflags
echo "-B${targetLlvmLibraries.compiler-rt}/lib" >> $out/nix-support/cc-cflags
echo "-nostdlib++" >> $out/nix-support/cc-cflags
'' + mkExtraBuildCommands cc;
};
lldClangNoLibc = wrapCCWith rec {
cc = tools.clang-unwrapped;
libcxx = null;
bintools = wrapBintoolsWith {
inherit (tools) bintools;
libc = null;
};
extraPackages = [
targetLlvmLibraries.compiler-rt
];
extraBuildCommands = ''
echo "-target ${stdenv.targetPlatform.config}" >> $out/nix-support/cc-cflags
echo "-rtlib=compiler-rt" >> $out/nix-support/cc-cflags
echo "-B${targetLlvmLibraries.compiler-rt}/lib" >> $out/nix-support/cc-cflags
'' + mkExtraBuildCommands cc;
};
lldClangNoCompilerRt = wrapCCWith {
cc = tools.clang-unwrapped;
libcxx = null;
bintools = wrapBintoolsWith {
inherit (tools) bintools;
libc = null;
};
extraPackages = [ ];
extraBuildCommands = ''
echo "-nostartfiles" >> $out/nix-support/cc-cflags
echo "-target ${stdenv.targetPlatform.config}" >> $out/nix-support/cc-cflags
'';
};
});
libraries = stdenv.lib.makeExtensible (libraries: let
callPackage = newScope (libraries // buildLlvmTools // { inherit stdenv cmake libxml2 python3 isl release_version version fetch; });
in {
compiler-rt = callPackage ./compiler-rt.nix ({} //
(stdenv.lib.optionalAttrs (stdenv.hostPlatform.useLLVM or false) {
stdenv = overrideCC stdenv buildLlvmTools.lldClangNoCompilerRt;
}));
stdenv = overrideCC stdenv buildLlvmTools.clang;
libcxxStdenv = overrideCC stdenv buildLlvmTools.libcxxClang;
libcxx = callPackage ./libc++ ({} //
(stdenv.lib.optionalAttrs (stdenv.hostPlatform.useLLVM or false) {
stdenv = overrideCC stdenv buildLlvmTools.lldClangNoLibcxx;
}));
libcxxabi = callPackage ./libc++abi.nix ({} //
(stdenv.lib.optionalAttrs (stdenv.hostPlatform.useLLVM or false) {
stdenv = overrideCC stdenv buildLlvmTools.lldClangNoLibcxx;
libunwind = libraries.libunwind;
}));
openmp = callPackage ./openmp.nix {};
libunwind = callPackage ./libunwind.nix ({} //
(stdenv.lib.optionalAttrs (stdenv.hostPlatform.useLLVM or false) {
stdenv = overrideCC stdenv buildLlvmTools.lldClangNoLibcxx;
}));
});
in { inherit tools libraries; } // libraries // tools
|