nixpkgs/pkgs/development/compilers/llvm/8/default.nix

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{ lowPrio, newScope, pkgs, stdenv, cmake, libstdcxxHook
, libxml2, python, 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 = "8.0.0";
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version = release_version; # differentiating these is important for rc's
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fetch = name: sha256: fetchurl {
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url = "https://releases.llvm.org/${release_version}/${name}-${version}.src.tar.xz";
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inherit sha256;
};
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clang-tools-extra_src = fetch "clang-tools-extra" "0jwx6nnshp92pd5852y7ip7qhaqdf8az5g0440pli9q8whmi402g";
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tools = stdenv.lib.makeExtensible (tools: let
callPackage = newScope (tools // { inherit stdenv cmake libxml2 python isl release_version version fetch; });
mkExtraBuildCommands = cc: ''
rsrc="$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" >> $out/nix-support/cc-cflags
'' + stdenv.lib.optionalString (stdenv.targetPlatform.isLinux && tools.clang-unwrapped ? gcc && !(stdenv.targetPlatform.useLLVM or false)) ''
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echo "--gcc-toolchain=${tools.clang-unwrapped.gcc}" >> $out/nix-support/cc-cflags
'';
in {
llvm = callPackage ./llvm.nix { };
llvm-polly = callPackage ./llvm.nix { enablePolly = true; };
clang-unwrapped = callPackage ./clang {
inherit clang-tools-extra_src;
};
clang-polly-unwrapped = callPackage ./clang {
inherit clang-tools-extra_src;
llvm = tools.llvm-polly;
enablePolly = true;
};
llvm-manpages = lowPrio (tools.llvm.override {
enableManpages = true;
python = pkgs.python; # don't use python-boot
});
clang-manpages = lowPrio (tools.clang-unwrapped.override {
enableManpages = true;
python = pkgs.python; # 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
# doesnt support like LLVM. Probably we should move to some other
# file.
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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
];
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
'' + mkExtraBuildCommands cc;
};
lldClangNoLibcxx = wrapCCWith rec {
cc = tools.clang-unwrapped;
libcxx = null;
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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
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'' + mkExtraBuildCommands cc;
};
lldClangNoLibc = wrapCCWith rec {
cc = tools.clang-unwrapped;
libcxx = null;
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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
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'' + mkExtraBuildCommands cc;
};
lldClangNoCompilerRt = wrapCCWith rec {
cc = tools.clang-unwrapped;
libcxx = null;
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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
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'';
};
});
libraries = stdenv.lib.makeExtensible (libraries: let
callPackage = newScope (libraries // buildLlvmTools // { inherit stdenv cmake libxml2 python 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;
}));
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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;
}));
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libcxxabi = callPackage ./libc++abi.nix ({} //
(stdenv.lib.optionalAttrs (stdenv.hostPlatform.useLLVM or false) {
stdenv = overrideCC stdenv buildLlvmTools.lldClangNoLibcxx;
libunwind = libraries.libunwind;
}));
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openmp = callPackage ./openmp.nix {};
libunwind = callPackage ./libunwind.nix ({} //
(stdenv.lib.optionalAttrs (stdenv.hostPlatform.useLLVM or false) {
stdenv = overrideCC stdenv buildLlvmTools.lldClangNoLibcxx;
}));
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});
in { inherit tools libraries; } // libraries // tools