mirror of
https://github.com/NixOS/nixpkgs.git
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b756d62d8d
This darwin specific tool is required for GHC on master nowadays. Unfortunately the XATTR environment variable only works in the GHC 8.10 series.
334 lines
13 KiB
Nix
334 lines
13 KiB
Nix
{ lib, stdenv, pkgsBuildTarget, targetPackages
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# build-tools
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, bootPkgs
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, autoconf, autoreconfHook, automake, coreutils, fetchgit, perl, python3, m4, sphinx, xattr
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, bash
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, libiconv ? null, ncurses
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, # GHC can be built with system libffi or a bundled one.
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libffi ? null
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# Libdw.c only supports x86_64, i686 and s390x
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, enableDwarf ? stdenv.targetPlatform.isx86 &&
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!stdenv.targetPlatform.isDarwin &&
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!stdenv.targetPlatform.isWindows
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, elfutils # for DWARF support
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, useLLVM ? !stdenv.targetPlatform.isx86 || stdenv.targetPlatform.isiOS
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, # LLVM is conceptually a run-time-only depedendency, but for
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# non-x86, we need LLVM to bootstrap later stages, so it becomes a
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# build-time dependency too.
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buildLlvmPackages, llvmPackages
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, # If enabled, GHC will be built with the GPL-free but slightly slower native
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# bignum backend instead of the faster but GPLed gmp backend.
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enableNativeBignum ? !(lib.meta.availableOn stdenv.hostPlatform gmp)
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, gmp
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, # If enabled, use -fPIC when compiling static libs.
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enableRelocatedStaticLibs ? stdenv.targetPlatform != stdenv.hostPlatform
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# aarch64 outputs otherwise exceed 2GB limit
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, enableProfiledLibs ? !stdenv.targetPlatform.isAarch64
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, # Whether to build dynamic libs for the standard library (on the target
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# platform). Static libs are always built.
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enableShared ? !stdenv.targetPlatform.isWindows && !stdenv.targetPlatform.useiOSPrebuilt
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, # Whether to build terminfo.
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enableTerminfo ? !stdenv.targetPlatform.isWindows
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, version ? "9.3.20210806"
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, # What flavour to build. An empty string indicates no
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# specific flavour and falls back to ghc default values.
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ghcFlavour ? lib.optionalString (stdenv.targetPlatform != stdenv.hostPlatform)
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(if useLLVM then "perf-cross" else "perf-cross-ncg")
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, # Whether to build sphinx documentation.
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enableDocs ? (
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# Docs disabled for musl and cross because it's a large task to keep
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# all `sphinx` dependencies building in those environments.
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# `sphinx` pullls in among others:
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# Ruby, Python, Perl, Rust, OpenGL, Xorg, gtk, LLVM.
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(stdenv.targetPlatform == stdenv.hostPlatform)
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&& !stdenv.hostPlatform.isMusl
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)
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, enableHaddockProgram ?
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# Disabled for cross; see note [HADDOCK_DOCS].
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(stdenv.targetPlatform == stdenv.hostPlatform)
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, # Whether to disable the large address space allocator
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# necessary fix for iOS: https://www.reddit.com/r/haskell/comments/4ttdz1/building_an_osxi386_to_iosarm64_cross_compiler/d5qvd67/
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disableLargeAddressSpace ? stdenv.targetPlatform.isDarwin && stdenv.targetPlatform.isAarch64
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}:
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assert !enableNativeBignum -> gmp != null;
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# Cross cannot currently build the `haddock` program for silly reasons,
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# see note [HADDOCK_DOCS].
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assert (stdenv.targetPlatform != stdenv.hostPlatform) -> !enableHaddockProgram;
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let
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inherit (stdenv) buildPlatform hostPlatform targetPlatform;
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inherit (bootPkgs) ghc;
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# TODO(@Ericson2314) Make unconditional
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targetPrefix = lib.optionalString
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(targetPlatform != hostPlatform)
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"${targetPlatform.config}-";
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buildMK = dontStrip: ''
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BuildFlavour = ${ghcFlavour}
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ifneq \"\$(BuildFlavour)\" \"\"
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include mk/flavours/\$(BuildFlavour).mk
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endif
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BUILD_SPHINX_HTML = ${if enableDocs then "YES" else "NO"}
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BUILD_SPHINX_PDF = NO
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'' +
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# Note [HADDOCK_DOCS]:
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# Unfortunately currently `HADDOCK_DOCS` controls both whether the `haddock`
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# program is built (which we generally always want to have a complete GHC install)
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# and whether it is run on the GHC sources to generate hyperlinked source code
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# (which is impossible for cross-compilation); see:
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# https://gitlab.haskell.org/ghc/ghc/-/issues/20077
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# This implies that currently a cross-compiled GHC will never have a `haddock`
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# program, so it can never generate haddocks for any packages.
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# If this is solved in the future, we'd like to unconditionally
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# build the haddock program (removing the `enableHaddockProgram` option).
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''
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HADDOCK_DOCS = ${if enableHaddockProgram then "YES" else "NO"}
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DYNAMIC_GHC_PROGRAMS = ${if enableShared then "YES" else "NO"}
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BIGNUM_BACKEND = ${if enableNativeBignum then "native" else "gmp"}
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'' + lib.optionalString (targetPlatform != hostPlatform) ''
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Stage1Only = ${if (targetPlatform.system == hostPlatform.system && !targetPlatform.isiOS) then "NO" else "YES"}
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CrossCompilePrefix = ${targetPrefix}
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'' + lib.optionalString dontStrip ''
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STRIP_CMD = :
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'' + lib.optionalString (!enableProfiledLibs) ''
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GhcLibWays = "v dyn"
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'' + lib.optionalString enableRelocatedStaticLibs ''
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GhcLibHcOpts += -fPIC
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GhcRtsHcOpts += -fPIC
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'' + lib.optionalString targetPlatform.useAndroidPrebuilt ''
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EXTRA_CC_OPTS += -std=gnu99
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'';
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# Splicer will pull out correct variations
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libDeps = platform: lib.optional enableTerminfo ncurses
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++ [libffi]
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++ lib.optional (!enableNativeBignum) gmp
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++ lib.optional (platform.libc != "glibc" && !targetPlatform.isWindows) libiconv
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++ lib.optional enableDwarf elfutils;
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toolsForTarget = [
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pkgsBuildTarget.targetPackages.stdenv.cc
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] ++ lib.optional useLLVM buildLlvmPackages.llvm;
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targetCC = builtins.head toolsForTarget;
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# Use gold either following the default, or to avoid the BFD linker due to some bugs / perf issues.
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# But we cannot avoid BFD when using musl libc due to https://sourceware.org/bugzilla/show_bug.cgi?id=23856
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# see #84670 and #49071 for more background.
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useLdGold = targetPlatform.linker == "gold" || (targetPlatform.linker == "bfd" && !targetPlatform.isMusl);
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runtimeDeps = [
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targetPackages.stdenv.cc.bintools
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coreutils
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]
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# On darwin, we need unwrapped bintools as well (for otool)
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++ lib.optionals (stdenv.targetPlatform.linker == "cctools") [
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targetPackages.stdenv.cc.bintools.bintools
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];
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in
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stdenv.mkDerivation (rec {
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inherit version;
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inherit (src) rev;
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name = "${targetPrefix}ghc-${version}";
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src = fetchgit {
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url = "https://gitlab.haskell.org/ghc/ghc.git/";
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rev = "5d651c78fed7e55b3b3cd21a04499d1a2f75204d";
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sha256 = "1z9xg8jsqr9id985wxfhkjyb3kpyrmr7vjdqzfv42cpxynd483r8";
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};
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enableParallelBuilding = true;
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outputs = [ "out" "doc" ];
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postPatch = "patchShebangs .";
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# GHC is a bit confused on its cross terminology.
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preConfigure = ''
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for env in $(env | grep '^TARGET_' | sed -E 's|\+?=.*||'); do
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export "''${env#TARGET_}=''${!env}"
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done
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# GHC is a bit confused on its cross terminology, as these would normally be
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# the *host* tools.
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export CC="${targetCC}/bin/${targetCC.targetPrefix}cc"
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export CXX="${targetCC}/bin/${targetCC.targetPrefix}cxx"
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# Use gold to work around https://sourceware.org/bugzilla/show_bug.cgi?id=16177
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# and more generally have a faster linker.
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export LD="${targetCC.bintools}/bin/${targetCC.bintools.targetPrefix}ld${lib.optionalString useLdGold ".gold"}"
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export AS="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}as"
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export AR="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}ar"
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export NM="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}nm"
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export RANLIB="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}ranlib"
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export READELF="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}readelf"
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export STRIP="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}strip"
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# otherwise haddock fails when generating the compiler docs
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export LANG=C.UTF-8
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echo -n "${buildMK dontStrip}" > mk/build.mk
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echo ${version} > VERSION
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echo ${src.rev} > GIT_COMMIT_ID
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./boot
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sed -i -e 's|-isysroot /Developer/SDKs/MacOSX10.5.sdk||' configure
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'' + lib.optionalString (!stdenv.isDarwin) ''
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export NIX_LDFLAGS+=" -rpath $out/lib/ghc-${version}"
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'' + lib.optionalString stdenv.isDarwin ''
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export NIX_LDFLAGS+=" -no_dtrace_dof"
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'' + lib.optionalString targetPlatform.useAndroidPrebuilt ''
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sed -i -e '5i ,("armv7a-unknown-linux-androideabi", ("e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64", "cortex-a8", ""))' llvm-targets
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'' + lib.optionalString targetPlatform.isMusl ''
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echo "patching llvm-targets for musl targets..."
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echo "Cloning these existing '*-linux-gnu*' targets:"
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grep linux-gnu llvm-targets | sed 's/^/ /'
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echo "(go go gadget sed)"
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sed -i 's,\(^.*linux-\)gnu\(.*\)$,\0\n\1musl\2,' llvm-targets
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echo "llvm-targets now contains these '*-linux-musl*' targets:"
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grep linux-musl llvm-targets | sed 's/^/ /'
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echo "And now patching to preserve '-musleabi' as done with '-gnueabi'"
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# (aclocal.m4 is actual source, but patch configure as well since we don't re-gen)
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for x in configure aclocal.m4; do
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substituteInPlace $x \
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--replace '*-android*|*-gnueabi*)' \
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'*-android*|*-gnueabi*|*-musleabi*)'
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done
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'';
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# TODO(@Ericson2314): Always pass "--target" and always prefix.
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configurePlatforms = [ "build" "host" ]
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++ lib.optional (targetPlatform != hostPlatform) "target";
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# `--with` flags for libraries needed for RTS linker
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configureFlags = [
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"--datadir=$doc/share/doc/ghc"
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"--with-curses-libraries=${ncurses.out}/lib"
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] ++ lib.optionals (libffi != null) [
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"--with-system-libffi"
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"--with-ffi-includes=${targetPackages.libffi.dev}/include"
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"--with-ffi-libraries=${targetPackages.libffi.out}/lib"
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] ++ lib.optionals (targetPlatform == hostPlatform && !enableNativeBignum) [
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"--with-gmp-includes=${targetPackages.gmp.dev}/include"
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"--with-gmp-libraries=${targetPackages.gmp.out}/lib"
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] ++ lib.optionals (targetPlatform == hostPlatform && hostPlatform.libc != "glibc" && !targetPlatform.isWindows) [
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"--with-iconv-includes=${libiconv}/include"
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"--with-iconv-libraries=${libiconv}/lib"
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] ++ lib.optionals (targetPlatform != hostPlatform) [
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"--enable-bootstrap-with-devel-snapshot"
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] ++ lib.optionals useLdGold [
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"CFLAGS=-fuse-ld=gold"
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"CONF_GCC_LINKER_OPTS_STAGE1=-fuse-ld=gold"
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"CONF_GCC_LINKER_OPTS_STAGE2=-fuse-ld=gold"
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] ++ lib.optional disableLargeAddressSpace "--disable-large-address-space"
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++ lib.optionals enableDwarf [
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"--enable-dwarf-unwind"
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"--with-libdw-includes=${lib.getDev elfutils}/include"
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"--with-libdw-libraries=${lib.getLib elfutils}/lib"
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];
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# Make sure we never relax`$PATH` and hooks support for compatibility.
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strictDeps = true;
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# Don’t add -liconv to LDFLAGS automatically so that GHC will add it itself.
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dontAddExtraLibs = true;
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nativeBuildInputs = [
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perl autoconf autoreconfHook automake m4 python3
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ghc bootPkgs.alex bootPkgs.happy bootPkgs.hscolour
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] ++ lib.optionals enableDocs [
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sphinx
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] ++ lib.optionals stdenv.isDarwin [
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# TODO(@sternenseemann): use XATTR env var once we have
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# https://gitlab.haskell.org/ghc/ghc/-/merge_requests/6447
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xattr
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];
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# For building runtime libs
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depsBuildTarget = toolsForTarget;
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buildInputs = [ perl bash ] ++ (libDeps hostPlatform);
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propagatedBuildInputs = [ targetPackages.stdenv.cc ]
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++ lib.optional useLLVM llvmPackages.llvm;
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depsTargetTarget = map lib.getDev (libDeps targetPlatform);
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depsTargetTargetPropagated = map (lib.getOutput "out") (libDeps targetPlatform);
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# required, because otherwise all symbols from HSffi.o are stripped, and
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# that in turn causes GHCi to abort
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stripDebugFlags = [ "-S" ] ++ lib.optional (!targetPlatform.isDarwin) "--keep-file-symbols";
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checkTarget = "test";
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hardeningDisable =
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[ "format" ]
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# In nixpkgs, musl based builds currently enable `pie` hardening by default
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# (see `defaultHardeningFlags` in `make-derivation.nix`).
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# But GHC cannot currently produce outputs that are ready for `-pie` linking.
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# Thus, disable `pie` hardening, otherwise `recompile with -fPIE` errors appear.
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# See:
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# * https://github.com/NixOS/nixpkgs/issues/129247
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# * https://gitlab.haskell.org/ghc/ghc/-/issues/19580
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++ lib.optional stdenv.targetPlatform.isMusl "pie";
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# big-parallel allows us to build with more than 2 cores on
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# Hydra which already warrants a significant speedup
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requiredSystemFeatures = [ "big-parallel" ];
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postInstall = ''
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# Install the bash completion file.
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install -D -m 444 utils/completion/ghc.bash $out/share/bash-completion/completions/${targetPrefix}ghc
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# Patch scripts to include "readelf" and "cat" in $PATH.
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for i in "$out/bin/"*; do
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test ! -h $i || continue
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egrep --quiet '^#!' <(head -n 1 $i) || continue
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sed -i -e '2i export PATH="$PATH:${lib.makeBinPath runtimeDeps}"' $i
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done
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'';
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passthru = {
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inherit bootPkgs targetPrefix;
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inherit llvmPackages;
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inherit enableShared;
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# Our Cabal compiler name
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haskellCompilerName = "ghc-${version}";
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};
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meta = {
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homepage = "http://haskell.org/ghc";
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description = "The Glasgow Haskell Compiler";
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maintainers = with lib.maintainers; [ marcweber andres peti guibou ];
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timeout = 24 * 3600;
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inherit (ghc.meta) license platforms;
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# ghcHEAD times out on aarch64-linux on Hydra.
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hydraPlatforms = builtins.filter (p: p != "aarch64-linux") ghc.meta.platforms;
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};
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dontStrip = (targetPlatform.useAndroidPrebuilt || targetPlatform.isWasm);
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} // lib.optionalAttrs targetPlatform.useAndroidPrebuilt{
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dontPatchELF = true;
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noAuditTmpdir = true;
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})
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