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|
{ stdenv
, fetch
, fetchpatch
, cmake
, python
, libffi
, libbfd
, libxml2
, ncurses
, version
, release_version
, zlib
, compiler-rt_src
, debugVersion ? false
, enableManpages ? false
, enableSharedLibraries ? !enableManpages
}:
let
# Used when creating a versioned symlinks of libLLVM.dylib
versionSuffixes = with stdenv.lib;
let parts = splitString "." release_version; in
imap (i: _: concatStringsSep "." (take i parts)) parts;
in
stdenv.mkDerivation (rec {
name = "llvm-${version}";
src = fetch "llvm" "0l9bf7kdwhlj0kq1hawpyxhna1062z3h7qcz2y8nfl9dz2qksy6s";
unpackPhase = ''
unpackFile $src
mv llvm-${version}* llvm
sourceRoot=$PWD/llvm
unpackFile ${compiler-rt_src}
mv compiler-rt-* $sourceRoot/projects/compiler-rt
'';
outputs = [ "out" ]
++ stdenv.lib.optional enableSharedLibraries "lib";
nativeBuildInputs = [ cmake python ]
++ stdenv.lib.optional enableManpages python.pkgs.sphinx;
buildInputs = [ libxml2 libffi ];
propagatedBuildInputs = [ ncurses zlib ];
# TSAN requires XPC on Darwin, which we have no public/free source files for. We can depend on the Apple frameworks
# to get it, but they're unfree. Since LLVM is rather central to the stdenv, we patch out TSAN support so that Hydra
# can build this. If we didn't do it, basically the entire nixpkgs on Darwin would have an unfree dependency and we'd
# get no binary cache for the entire platform. If you really find yourself wanting the TSAN, make this controllable by
# a flag and turn the flag off during the stdenv build.
postPatch = stdenv.lib.optionalString stdenv.isDarwin ''
substituteInPlace ./projects/compiler-rt/cmake/config-ix.cmake \
--replace 'set(COMPILER_RT_HAS_TSAN TRUE)' 'set(COMPILER_RT_HAS_TSAN FALSE)'
substituteInPlace cmake/modules/AddLLVM.cmake \
--replace 'set(_install_name_dir INSTALL_NAME_DIR "@rpath")' "set(_install_name_dir)" \
--replace 'set(_install_rpath "@loader_path/../lib" ''${extra_libdir})' ""
''
# 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
''
+ ''
(
cd projects/compiler-rt
patch -p1 < ${
fetchpatch {
name = "sigaltstack.patch"; # for glibc-2.26
url = https://github.com/llvm-mirror/compiler-rt/commit/8a5e425a68d.diff;
sha256 = "0h4y5vl74qaa7dl54b1fcyqalvlpd8zban2d1jxfkxpzyi7m8ifi";
}
}
substituteInPlace lib/esan/esan_sideline_linux.cpp \
--replace 'struct sigaltstack' 'stack_t'
)
'' + # Fix extra space printed in commandline help sometimes, "- help"
''
patch -p1 -i ${./cmdline-help.patch}
'' + stdenv.lib.optionalString stdenv.isAarch64 ''
patch -p0 < ${../aarch64.patch}
'' + stdenv.lib.optionalString stdenv.hostPlatform.isMusl ''
patch -p1 -i ${../TLI-musl.patch}
patch -p1 -i ${../dynamiclibrary-musl.patch}
patch -p1 -i ${./sanitizers-nongnu.patch} -d projects/compiler-rt
'';
# 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
"-DLLVM_HOST_TRIPLE=${stdenv.hostPlatform.config}"
"-DLLVM_DEFAULT_TARGET_TRIPLE=${stdenv.hostPlatform.config}"
"-DTARGET_TRIPLE=${stdenv.hostPlatform.config}"
]
++ stdenv.lib.optional enableSharedLibraries
"-DLLVM_LINK_LLVM_DYLIB=ON"
++ stdenv.lib.optionals enableManpages [
"-DLLVM_BUILD_DOCS=ON"
"-DLLVM_ENABLE_SPHINX=ON"
"-DSPHINX_OUTPUT_MAN=ON"
"-DSPHINX_OUTPUT_HTML=OFF"
"-DSPHINX_WARNINGS_AS_ERRORS=OFF"
]
++ stdenv.lib.optional (!isDarwin)
"-DLLVM_BINUTILS_INCDIR=${libbfd.dev}/include"
++ stdenv.lib.optionals (isDarwin) [
"-DLLVM_ENABLE_LIBCXX=ON"
"-DCAN_TARGET_i386=false"
];
postBuild = ''
rm -fR $out
'';
preCheck = ''
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$PWD/lib
'';
postInstall = stdenv.lib.optionalString enableSharedLibraries ''
moveToOutput "lib/libLLVM-*" "$lib"
moveToOutput "lib/libLLVM${stdenv.hostPlatform.extensions.sharedLibrary}" "$lib"
substituteInPlace "$out/lib/cmake/llvm/LLVMExports-${if debugVersion then "debug" else "release"}.cmake" \
--replace "\''${_IMPORT_PREFIX}/lib/libLLVM-" "$lib/lib/libLLVM-"
''
+ stdenv.lib.optionalString (stdenv.isDarwin && enableSharedLibraries) ''
substituteInPlace "$out/lib/cmake/llvm/LLVMExports-${if debugVersion then "debug" else "release"}.cmake" \
--replace "\''${_IMPORT_PREFIX}/lib/libLLVM.dylib" "$lib/lib/libLLVM.dylib"
${stdenv.lib.concatMapStringsSep "\n" (v: ''
ln -s $lib/lib/libLLVM.dylib $lib/lib/libLLVM-${v}.dylib
'') versionSuffixes}
'';
doCheck = stdenv.isLinux && (!stdenv.isi686);
checkTarget = "check-all";
enableParallelBuilding = true;
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 dtzWill ];
platforms = stdenv.lib.platforms.all;
};
} // stdenv.lib.optionalAttrs enableManpages {
name = "llvm-manpages-${version}";
buildPhase = ''
make docs-llvm-man
'';
propagatedBuildInputs = [ ];
installPhase = ''
make -C docs install
'';
outputs = [ "out" ];
doCheck = false;
meta.description = "man pages for LLVM ${version}";
})
|