155 lines
4.3 KiB
Nix
155 lines
4.3 KiB
Nix
{
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lib,
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stdenv, cmake, python3,
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enableSharedLibraries ? !stdenv.hostPlatform.isStatic,
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enableManpages ? false,
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enablePolly ? true,
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libxml2, libffi, libedit, ncurses, zlib,
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libpfm, valgrind,
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doCheck ? false,
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fetchFromGitHub,
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} :
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let
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version = "18.1.7";
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src = fetchFromGitHub {
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name = "llvm-${version}-source";
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owner = "llvm";
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repo = "llvm-project";
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rev = "llvmorg-${version}";
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hash = "sha256-qBL/1zh2YFabiPAyHehvzDSDfnwnCvyH6nY/pzG757A=";
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};
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defaultTargets =
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if stdenv.hostPlatform.isAarch64 then "AArch64"
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else if stdenv.hostPlatform.isx86 then "X86"
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else "all";
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in {
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# running out of memory during linking!!
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llvm = stdenv.mkDerivation (finalAttrs:
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{
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pname = "llvm-xo";
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inherit version src;
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# only taking llvm subdir from upstream repo
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sourceRoot = "${src.name}/llvm";
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# don't try multiple outputs, hard to disentangle
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outputs = [ "out" ];
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nativeBuildInputs = [ cmake python3
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] ++ lib.optional enableManpages [ python3.pkgs.sphinx ];
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#NIX_CFLAGS_LINK = "-fuse-ld=gold"; # or -fuse-ld=lld
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buildInputs = [ libxml2
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libffi
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zlib
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ncurses
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libedit
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] ++ lib.optionals stdenv.hostPlatform.isLinux [
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libpfm # performance monitoring
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valgrind # debugging
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];
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propagatedBuildInputs = [ ncurses zlib ];
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inherit doCheck;
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cmakeFlags = [
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# build type and optimization
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"-DCMAKE_BUILD_TYPE=Release"
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"-DLLVM_OPTIMIZED_TABLEGEN=ON"
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"-DLLVM_INSTALL_UTILS=ON"
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"-DLLVM_BUILD_TESTS=${if doCheck then "ON" else "OFF"}"
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# gnuinstalldirs
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"-DCMAKE_INSTALL_INCLUDEDIR=${placeholder "out"}/include"
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# -DCMAKE_INSTALL_LIBDIR, -DCMAKE_INSTALL_LIBEXECDIR don't seem to have any effect for llvm build
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# target architectures
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"-DLLVM_TARGETS_TO_BUILD=${defaultTargets}"
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# library settings
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"-DLLVM_ENABLE_RTTI=ON"
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"-DLLVM_ENABLE_EH=ON" # exception handling
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"-DLLVM_ENABLE_FFI=ON"
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"-DLLVM_ENABLE_ZLIB=ON"
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"-DLLVM_ENABLE_TERMINFO=ON"
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"-DLLVM_ENABLE_DUMP=ON"
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# testing/benchmarks
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"-DLLVM_BUILD_TESTS=${if doCheck then "ON" else "OFF"}"
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# installation paths using GNUInstallDirs
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"-DLLVM_INSTALL_PACKAGE_DIR=${placeholder "out"}/lib/cmake/llvm" # will contain refs back to out
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"-DLLVM_INSTALL_BINUTILS_SYMLINKS=OFF"
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# host configuration
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"-DLLVM_HOST_TRIPLE=${stdenv.hostPlatform.config}"
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"-DLLVM_DEFAULT_TARGET_TRIPLE=${stdenv.hostPlatform.config}"
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# polly optimizer
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(lib.optionalString enablePolly "-DLLVM_ENABLE_PROJECT=polly")
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] ++ lib.optionals enableSharedLibraries [
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# shared libraries
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"-DLLVM_BUILD_LLVM_DYLIB=${lib.boolToString enableSharedLibraries}"
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"-DLLVM_LINK_LLVM_DYLIB=${lib.boolToString enableSharedLibraries}"
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] ++ lib.optionals enableManpages [
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# documentation
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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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buildFlags = [
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"VERBOSE=1"
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"-j 22"
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];
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# running out of memory!
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enableParallelBuilding = true;
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# for llvm keep debug symbols
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separateDebugInfo = stdenv.isLinux;
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postInstall = ''
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# create compatibility symlinks
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mkdir -p $out/bin
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for tool in llvm-config llvm-nm llvm-objdump llvm-readobj llvm-ar; do
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ln -sf $out/bin/$tool $out/bin/${stdenv.hostPlatform.config}-$tool
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done
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echo debug=[$debug]
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mkdir -p $debug
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touch $debug/rolandwashere
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'';
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passthru = {
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inherit src;
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isClang = false;
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hardeningUnsupportedFlags = [ "fortify3" ];
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};
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meta = with lib; {
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description = "A collection of modular and reusable compiler and toolchain technologies";
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homepage = "https://llvm.org/";
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license = lib.licenses.ncsa;
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maintainers = with maintainers; [];
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platforms = platforms.all;
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broken = stdenv.hostPlatform.is32bit;
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};
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});
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}
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