nixpkgs/pkgs/development/compilers/llvm/4/llvm.nix
Dan Peebles 2cb440df72 llvm-4: small improvements on Darwin and elsewhere
Split outputs because there's no point in keeping a reference to Python
and it causes trouble during the Darwin stdenv bootstrap. There's also
an unnecessary dependency on LLVM in libc++ which causes us to rebuild
LLVM several more times than necessary during bootstrap, and an awkward
dependency on XPC in the TSAN that we turn off. This is in preparation
for using LLVM 4 in the Darwin stdenv and by default across nixpkgs.
2017-03-18 13:07:52 -04:00

138 lines
4.6 KiB
Nix

{ stdenv
, fetch
, fetchpatch
, perl
, groff
, cmake
, python
, libffi
, binutils
, libxml2
, valgrind
, ncurses
, version
, release_version
, zlib
, compiler-rt_src
, libcxxabi
, debugVersion ? false
, enableSharedLibraries ? true
, darwin
}:
let
src = fetch "llvm" "1giklnw71wzsgbqg9wb5x7dxnbj39m6zpfvskvzvhwvfz4fm244d";
shlib = if stdenv.isDarwin then "dylib" else "so";
# Used when creating a version-suffixed symlink of libLLVM.dylib
shortVersion = with stdenv.lib;
concatStringsSep "." (take 2 (splitString "." release_version));
in stdenv.mkDerivation rec {
name = "llvm-${version}";
unpackPhase = ''
unpackFile ${src}
mv llvm-${version}* llvm
sourceRoot=$PWD/llvm
unpackFile ${compiler-rt_src}
mv compiler-rt-* $sourceRoot/projects/compiler-rt
'';
outputs = [ "out" ] ++ stdenv.lib.optional enableSharedLibraries "lib";
buildInputs = [ perl groff cmake libxml2 python libffi ]
++ stdenv.lib.optionals stdenv.isDarwin [ libcxxabi ];
propagatedBuildInputs = [ ncurses zlib ];
# TSAN requires XPC on Darwin, which we have no public/free source files for. We can depend on the Apple frameworks
# to get it, but they're unfree. Since LLVM is rather central to the stdenv, we patch out TSAN support so that Hydra
# can build this. If we didn't do it, basically the entire nixpkgs on Darwin would have an unfree dependency and we'd
# get no binary cache for the entire platform. If you really find yourself wanting the TSAN, make this controllable by
# a flag and turn the flag off during the stdenv build.
postPatch = stdenv.lib.optionalString stdenv.isDarwin ''
substituteInPlace ./projects/compiler-rt/cmake/config-ix.cmake \
--replace 'set(COMPILER_RT_HAS_TSAN TRUE)' 'set(COMPILER_RT_HAS_TSAN FALSE)'
''
# Patch llvm-config to return correct library path based on --link-{shared,static}.
+ stdenv.lib.optionalString (enableSharedLibraries) ''
substitute '${./llvm-outputs.patch}' ./llvm-outputs.patch --subst-var lib
patch -p1 < ./llvm-outputs.patch
''
# Remove broken tests: (https://bugs.llvm.org//show_bug.cgi?id=31610)
+ ''
rm test/CodeGen/AMDGPU/invalid-opencl-version-metadata1.ll
rm test/CodeGen/AMDGPU/invalid-opencl-version-metadata2.ll
rm test/CodeGen/AMDGPU/invalid-opencl-version-metadata3.ll
rm test/CodeGen/AMDGPU/runtime-metadata.ll
'';
# hacky fix: created binaries need to be run before installation
preBuild = ''
mkdir -p $out/
ln -sv $PWD/lib $out
'';
cmakeFlags = with stdenv; [
"-DCMAKE_BUILD_TYPE=${if debugVersion then "Debug" else "Release"}"
"-DLLVM_INSTALL_UTILS=ON" # Needed by rustc
"-DLLVM_BUILD_TESTS=ON"
"-DLLVM_ENABLE_FFI=ON"
"-DLLVM_ENABLE_RTTI=ON"
"-DCOMPILER_RT_INCLUDE_TESTS=OFF" # FIXME: requires clang source code
] ++ stdenv.lib.optional enableSharedLibraries [
"-DLLVM_LINK_LLVM_DYLIB=ON"
] ++ stdenv.lib.optional (!isDarwin)
"-DLLVM_BINUTILS_INCDIR=${binutils.dev}/include"
++ stdenv.lib.optionals (isDarwin) [
"-DLLVM_ENABLE_LIBCXX=ON"
"-DCAN_TARGET_i386=false"
];
postBuild = ''
rm -fR $out
paxmark m bin/{lli,llvm-rtdyld}
paxmark m unittests/ExecutionEngine/MCJIT/MCJITTests
paxmark m unittests/ExecutionEngine/Orc/OrcJITTests
paxmark m unittests/Support/SupportTests
paxmark m bin/lli-child-target
'';
preCheck = ''
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$PWD/lib
'';
postInstall = ""
+ stdenv.lib.optionalString (enableSharedLibraries) ''
moveToOutput "lib/libLLVM-*" "$lib"
moveToOutput "lib/libLLVM.${shlib}" "$lib"
substituteInPlace "$out/lib/cmake/llvm/LLVMExports-release.cmake" \
--replace "\''${_IMPORT_PREFIX}/lib/libLLVM-" "$lib/lib/libLLVM-"
''
+ stdenv.lib.optionalString (stdenv.isDarwin && enableSharedLibraries) ''
substituteInPlace "$out/lib/cmake/llvm/LLVMExports-release.cmake" \
--replace "\''${_IMPORT_PREFIX}/lib/libLLVM.dylib" "$lib/lib/libLLVM.dylib"
install_name_tool -id $lib/lib/libLLVM.dylib $lib/lib/libLLVM.dylib
install_name_tool -change @rpath/libLLVM.dylib $lib/lib/libLLVM.dylib $out/bin/llvm-config
ln -s $lib/lib/libLLVM.dylib $lib/lib/libLLVM-${shortVersion}.dylib
ln -s $lib/lib/libLLVM.dylib $lib/lib/libLLVM-${release_version}.dylib
'';
doCheck = stdenv.isLinux;
checkTarget = "check-all";
enableParallelBuilding = true;
passthru.src = src;
meta = {
description = "Collection of modular and reusable compiler and toolchain technologies";
homepage = http://llvm.org/;
license = stdenv.lib.licenses.ncsa;
maintainers = with stdenv.lib.maintainers; [ lovek323 raskin viric dtzWill ];
platforms = stdenv.lib.platforms.all;
};
}