f3aeb3b0ab
Splits outputs in clang like we do in 3.8 and 4.0 to avoid runtime dependency on Python in the main derivation. I also disable TSAN on Darwin to maintain consistency with 4.0, which disables it because it forces an unfree dependency in the stdenv.
126 lines
4.4 KiB
Nix
126 lines
4.4 KiB
Nix
{ stdenv
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, fetch
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, fetchpatch
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, perl
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, groff
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, cmake
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, python
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, libffi
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, binutils
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, libxml2
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, valgrind
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, ncurses
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, version
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, zlib
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, compiler-rt_src
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, libcxxabi
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, debugVersion ? false
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, enableSharedLibraries ? true
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, darwin
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}:
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let
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src = fetch "llvm" "1vi9sf7rx1q04wj479rsvxayb6z740iaz3qniwp266fgp5a07n8z";
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shlib = if stdenv.isDarwin then "dylib" else "so";
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# Used when creating a version-suffixed symlink of libLLVM.dylib
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shortVersion = with stdenv.lib;
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concatStringsSep "." (take 2 (splitString "." version));
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in stdenv.mkDerivation rec {
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name = "llvm-${version}";
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unpackPhase = ''
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unpackFile ${src}
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mv llvm-${version}.src llvm
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sourceRoot=$PWD/llvm
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unpackFile ${compiler-rt_src}
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mv compiler-rt-* $sourceRoot/projects/compiler-rt
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'';
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outputs = [ "out" ] ++ stdenv.lib.optional enableSharedLibraries "lib";
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buildInputs = [ perl groff cmake libxml2 python libffi ]
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++ stdenv.lib.optionals stdenv.isDarwin [ libcxxabi ];
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propagatedBuildInputs = [ ncurses zlib ];
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postPatch = ""
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+ ''
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patch -p1 --reverse < ${fetchpatch {
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name = "fix-red-icons.diff"; # https://bugs.freedesktop.org/show_bug.cgi?id=99078
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url = https://github.com/llvm-mirror/llvm/commit/c280d74837d8.diff;
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sha256 = "11sq86spw41v72f676igksapdlsgh7fiqp5qkkmgfj0ndqcn9skf";
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}}
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''
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# TSAN requires XPC on Darwin, which we have no public/free source files for. We can depend on the Apple frameworks
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# to get it, but they're unfree. Since LLVM is rather central to the stdenv, we patch out TSAN support so that Hydra
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# can build this. If we didn't do it, basically the entire nixpkgs on Darwin would have an unfree dependency and we'd
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# get no binary cache for the entire platform. If you really find yourself wanting the TSAN, make this controllable by
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# a flag and turn the flag off during the stdenv build. I realize that this LLVM isn't used in the stdenv but I want to
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# keep it consistent with 4.0. We really shouldn't be copying and pasting all this code around...
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+ stdenv.lib.optionalString stdenv.isDarwin ''
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substituteInPlace ./projects/compiler-rt/cmake/config-ix.cmake \
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--replace 'set(COMPILER_RT_HAS_TSAN TRUE)' 'set(COMPILER_RT_HAS_TSAN FALSE)'
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''
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# Patch llvm-config to return correct library path based on --link-{shared,static}.
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+ stdenv.lib.optionalString (enableSharedLibraries) ''
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substitute '${./llvm-outputs.patch}' ./llvm-outputs.patch --subst-var lib
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patch -p1 < ./llvm-outputs.patch
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'';
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# hacky fix: created binaries need to be run before installation
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preBuild = ''
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mkdir -p $out/
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ln -sv $PWD/lib $out
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'';
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cmakeFlags = with stdenv; [
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"-DCMAKE_BUILD_TYPE=${if debugVersion then "Debug" else "Release"}"
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"-DLLVM_INSTALL_UTILS=ON" # Needed by rustc
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"-DLLVM_BUILD_TESTS=ON"
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"-DLLVM_ENABLE_FFI=ON"
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"-DLLVM_ENABLE_RTTI=ON"
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"-DCOMPILER_RT_INCLUDE_TESTS=OFF" # FIXME: requires clang source code
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] ++ stdenv.lib.optional enableSharedLibraries [
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"-DLLVM_LINK_LLVM_DYLIB=ON"
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] ++ stdenv.lib.optional (!isDarwin)
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"-DLLVM_BINUTILS_INCDIR=${binutils.dev}/include"
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++ stdenv.lib.optionals (isDarwin) [
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"-DLLVM_ENABLE_LIBCXX=ON"
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"-DCAN_TARGET_i386=false"
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];
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postBuild = ''
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rm -fR $out
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paxmark m bin/{lli,llvm-rtdyld}
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'';
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postInstall = ""
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+ stdenv.lib.optionalString (enableSharedLibraries) ''
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moveToOutput "lib/libLLVM-*" "$lib"
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moveToOutput "lib/libLLVM.${shlib}" "$lib"
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substituteInPlace "$out/lib/cmake/llvm/LLVMExports-release.cmake" \
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--replace "\''${_IMPORT_PREFIX}/lib/libLLVM-" "$lib/lib/libLLVM-"
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''
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+ stdenv.lib.optionalString (stdenv.isDarwin && enableSharedLibraries) ''
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substituteInPlace "$out/lib/cmake/llvm/LLVMExports-release.cmake" \
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--replace "\''${_IMPORT_PREFIX}/lib/libLLVM.dylib" "$lib/lib/libLLVM.dylib"
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install_name_tool -id $lib/lib/libLLVM.dylib $lib/lib/libLLVM.dylib
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install_name_tool -change @rpath/libLLVM.dylib $lib/lib/libLLVM.dylib $out/bin/llvm-config
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ln -s $lib/lib/libLLVM.dylib $lib/lib/libLLVM-${shortVersion}.dylib
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ln -s $lib/lib/libLLVM.dylib $lib/lib/libLLVM-${version}.dylib
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'';
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enableParallelBuilding = true;
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passthru.src = src;
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meta = {
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description = "Collection of modular and reusable compiler and toolchain technologies";
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homepage = http://llvm.org/;
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license = stdenv.lib.licenses.ncsa;
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maintainers = with stdenv.lib.maintainers; [ lovek323 raskin viric ];
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platforms = stdenv.lib.platforms.all;
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};
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}
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