147 lines
4.8 KiB
Nix
147 lines
4.8 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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, release_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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, enableManpages ? 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" "0l9bf7kdwhlj0kq1hawpyxhna1062z3h7qcz2y8nfl9dz2qksy6s";
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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 "." release_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}* 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" ]
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++ stdenv.lib.optional enableSharedLibraries "lib"
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++ stdenv.lib.optional enableManpages "man";
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nativeBuildInputs = [ perl groff cmake python ]
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++ stdenv.lib.optional enableManpages python.pkgs.sphinx;
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buildInputs = [ libxml2 libffi ]
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++ stdenv.lib.optionals stdenv.isDarwin [ libcxxabi ];
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propagatedBuildInputs = [ ncurses zlib ];
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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.
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postPatch = 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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]
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++ stdenv.lib.optional enableSharedLibraries
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"-DLLVM_LINK_LLVM_DYLIB=ON"
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++ stdenv.lib.optionals enableManpages [
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"-DLLVM_BUILD_DOCS=ON"
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"-DLLVM_ENABLE_SPHINX=ON"
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"-DSPHINX_OUTPUT_MAN=ON"
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"-DSPHINX_OUTPUT_HTML=OFF"
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"-DSPHINX_WARNINGS_AS_ERRORS=OFF"
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]
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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 $out
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paxmark m bin/{lli,llvm-rtdyld}
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paxmark m unittests/ExecutionEngine/MCJIT/MCJITTests
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paxmark m unittests/ExecutionEngine/Orc/OrcJITTests
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paxmark m unittests/Support/SupportTests
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paxmark m bin/lli-child-target
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'';
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preCheck = ''
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export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$PWD/lib
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'';
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postInstall = stdenv.lib.optionalString enableManpages ''
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moveToOutput "share/man" "$man"
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''
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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-${if debugVersion then "debug" else "release"}.cmake" \
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--replace "\''${_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-${if debugVersion then "debug" else "release"}.cmake" \
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--replace "\''${_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 $lib/lib/libLLVM-${release_version}.dylib
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'';
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doCheck = stdenv.isLinux;
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checkTarget = "check-all";
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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 dtzWill ];
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platforms = stdenv.lib.platforms.all;
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};
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}
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