nixpkgs/pkgs/development/compilers/llvm/3.9/llvm.nix

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{ stdenv
, fetch
, fetchpatch
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, perl
, groff
, cmake
, python
, libffi
, binutils
, libxml2
, valgrind
, ncurses
, version
, zlib
, compiler-rt_src
, libcxxabi
, debugVersion ? false
, enableSharedLibraries ? (buildPlatform == hostPlatform)
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, darwin
, buildPackages
, buildPlatform
, hostPlatform
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}:
assert (hostPlatform != buildPlatform) -> !enableSharedLibraries;
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let
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src = fetch "llvm" "1vi9sf7rx1q04wj479rsvxayb6z740iaz3qniwp266fgp5a07n8z";
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# Used when creating a version-suffixed symlink of libLLVM.dylib
shortVersion = with stdenv.lib;
concatStringsSep "." (take 2 (splitString "." version));
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in stdenv.mkDerivation rec {
name = "llvm-${version}";
unpackPhase = ''
unpackFile ${src}
mv llvm-${version}.src llvm
sourceRoot=$PWD/llvm
unpackFile ${compiler-rt_src}
mv compiler-rt-* $sourceRoot/projects/compiler-rt
'';
outputs = [ "out" ] ++ stdenv.lib.optional enableSharedLibraries "lib";
nativeBuildInputs = [
perl
cmake
python
];
buildInputs = [
groff
libxml2
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libffi
] ++ stdenv.lib.optionals stdenv.isDarwin [ libcxxabi ];
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propagatedBuildInputs = [ ncurses zlib ];
patches = [
# fix output of llvm-config (fixed in llvm 4.0)
(fetchpatch {
url = https://github.com/llvm-mirror/llvm/commit/5340b5b3d970069aebf3dde49d8964583742e01a.patch;
sha256 = "095f8knplwqbc2p7rad1kq8633i34qynni9jna93an7kyc80wdxl";
})
];
postPatch = ""
+ ''
patch -p1 --reverse < ${fetchpatch {
name = "fix-red-icons.diff"; # https://bugs.freedesktop.org/show_bug.cgi?id=99078
url = https://github.com/llvm-mirror/llvm/commit/c280d74837d8.diff;
sha256 = "11sq86spw41v72f676igksapdlsgh7fiqp5qkkmgfj0ndqcn9skf";
}}
''
# TSAN requires XPC on Darwin, which we have no public/free source files for. We can depend on the Apple frameworks
# to get it, but they're unfree. Since LLVM is rather central to the stdenv, we patch out TSAN support so that Hydra
# can build this. If we didn't do it, basically the entire nixpkgs on Darwin would have an unfree dependency and we'd
# get no binary cache for the entire platform. If you really find yourself wanting the TSAN, make this controllable by
# a flag and turn the flag off during the stdenv build. I realize that this LLVM isn't used in the stdenv but I want to
# keep it consistent with 4.0. We really shouldn't be copying and pasting all this code around...
+ stdenv.lib.optionalString stdenv.isDarwin ''
substituteInPlace ./projects/compiler-rt/cmake/config-ix.cmake \
--replace 'set(COMPILER_RT_HAS_TSAN TRUE)' 'set(COMPILER_RT_HAS_TSAN FALSE)'
substituteInPlace CMakeLists.txt \
--replace 'set(CMAKE_INSTALL_NAME_DIR "@rpath")' "set(CMAKE_INSTALL_NAME_DIR "$lib/lib")" \
--replace 'set(CMAKE_INSTALL_RPATH "@executable_path/../lib")' ""
''
# 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
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'';
# 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=${stdenv.lib.getDev binutils}/include"
++ stdenv.lib.optionals (isDarwin) [
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"-DLLVM_ENABLE_LIBCXX=ON"
"-DCAN_TARGET_i386=false"
] ++ stdenv.lib.optionals (buildPlatform != hostPlatform) [
"-DCMAKE_CROSSCOMPILING=True"
"-DLLVM_TABLEGEN=${buildPackages.llvmPackages_39.llvm}/bin/llvm-tblgen"
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];
postBuild = ''
rm -fR $out
paxmark m bin/{lli,llvm-rtdyld}
'';
postInstall = ""
+ stdenv.lib.optionalString (enableSharedLibraries) ''
moveToOutput "lib/libLLVM-*" "$lib"
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moveToOutput "lib/libLLVM${stdenv.hostPlatform.extensions.sharedLibrary}" "$lib"
substituteInPlace "$out/lib/cmake/llvm/LLVMExports-release.cmake" \
--replace "\''${_IMPORT_PREFIX}/lib/libLLVM-" "$lib/lib/libLLVM-"
''
+ stdenv.lib.optionalString (stdenv.isDarwin && enableSharedLibraries) ''
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substituteInPlace "$out/lib/cmake/llvm/LLVMExports-release.cmake" \
--replace "\''${_IMPORT_PREFIX}/lib/libLLVM.dylib" "$lib/lib/libLLVM.dylib"
ln -s $lib/lib/libLLVM.dylib $lib/lib/libLLVM-${shortVersion}.dylib
ln -s $lib/lib/libLLVM.dylib $lib/lib/libLLVM-${version}.dylib
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'';
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;
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maintainers = with stdenv.lib.maintainers; [ lovek323 raskin viric ];
platforms = stdenv.lib.platforms.all;
};
}