mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-23 07:23:20 +00:00
492 lines
20 KiB
Nix
492 lines
20 KiB
Nix
{ lib, stdenv, pkgsBuildTarget, pkgsHostTarget, buildPackages, targetPackages
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# build-tools
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, bootPkgs
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, autoreconfHook, autoconf, automake, coreutils, fetchpatch, fetchurl, perl, python3, m4, sphinx
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, xattr, autoSignDarwinBinariesHook
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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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# we explicitly use libffi-3.3 here because 3.4 removes a flag that causes
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# problems for ghc-8.10.7's RTS. See #324384.
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# Save for aarch_darwin since libffi-3.3 is broken there but the issue isn't present anyway
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libffi ? null
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, libffi_3_3 ? null
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, useLLVM ? !(stdenv.targetPlatform.isx86
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|| stdenv.targetPlatform.isPower
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|| stdenv.targetPlatform.isSparc)
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, # LLVM is conceptually a run-time-only dependency, 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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buildTargetLlvmPackages, llvmPackages
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, # If enabled, GHC will be built with the GPL-free but slower integer-simple
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# library instead of the faster but GPLed integer-gmp library.
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enableIntegerSimple ? !(lib.meta.availableOn stdenv.hostPlatform gmp
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&& lib.meta.availableOn stdenv.targetPlatform 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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, enableProfiledLibs ? true
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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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# terminfo can't be built for cross
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|| (stdenv.buildPlatform != stdenv.hostPlatform)
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|| (stdenv.hostPlatform != stdenv.targetPlatform))
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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 if we are building on musl because it's a large task to keep
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# all `sphinx` dependencies building in this environment.
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!stdenv.buildPlatform.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.buildPlatform == stdenv.hostPlatform && 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.isiOS
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}@args:
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assert !enableIntegerSimple -> 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.buildPlatform != stdenv.hostPlatform || 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 = ''
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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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WITH_TERMINFO = ${if enableTerminfo then "YES" else "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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# Build haddocks for boot packages with hyperlinking
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EXTRA_HADDOCK_OPTS += --hyperlinked-source --quickjump
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DYNAMIC_GHC_PROGRAMS = ${if enableShared then "YES" else "NO"}
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INTEGER_LIBRARY = ${if enableIntegerSimple then "integer-simple" else "integer-gmp"}
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'' + lib.optionalString (targetPlatform != hostPlatform) ''
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Stage1Only = ${if targetPlatform.system == hostPlatform.system then "NO" else "YES"}
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CrossCompilePrefix = ${targetPrefix}
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'' + lib.optionalString (!enableProfiledLibs) ''
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BUILD_PROF_LIBS = NO
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'' + lib.optionalString enableRelocatedStaticLibs ''
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GhcLibHcOpts += -fPIC
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GhcRtsHcOpts += -fPIC
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'' + lib.optionalString targetPlatform.useAndroidPrebuilt ''
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EXTRA_CC_OPTS += -std=gnu99
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''
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# While split sections are now enabled by default in ghc 8.8 for windows,
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# they seem to lead to `too many sections` errors when building base for
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# profiling.
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+ lib.optionalString targetPlatform.isWindows ''
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SplitSections = NO
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'';
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# Splicer will pull out correct variations
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libDeps = platform: lib.optional enableTerminfo ncurses
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++ [args.${libffi_name}]
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++ lib.optional (!enableIntegerSimple) gmp
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++ lib.optional (platform.libc != "glibc" && !targetPlatform.isWindows) libiconv;
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# TODO(@sternenseemann): is buildTarget LLVM unnecessary?
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# GHC doesn't seem to have {LLC,OPT}_HOST
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toolsForTarget = [
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pkgsBuildTarget.targetPackages.stdenv.cc
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] ++ lib.optional useLLVM buildTargetLlvmPackages.llvm;
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buildCC = buildPackages.stdenv.cc;
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targetCC = builtins.head toolsForTarget;
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installCC = pkgsHostTarget.targetPackages.stdenv.cc;
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# toolPath calculates the absolute path to the name tool associated with a
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# given `stdenv.cc` derivation, i.e. it picks the correct derivation to take
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# the tool from (cc, cc.bintools, cc.bintools.bintools) and adds the correct
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# subpath of the tool.
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toolPath = name: cc:
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let
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tools = {
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"cc" = cc;
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"c++" = cc;
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as = cc.bintools.bintools;
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ar = cc.bintools.bintools;
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ranlib = cc.bintools.bintools;
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nm = cc.bintools.bintools;
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readelf = cc.bintools.bintools;
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ld = cc.bintools;
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"ld.gold" = cc.bintools;
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otool = cc.bintools.bintools;
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# GHC needs install_name_tool on all darwin platforms. The same one can
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# be used on both platforms. It is safe to use with linker-generated
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# signatures because it will update the signatures automatically after
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# modifying the target binary.
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install_name_tool = cc.bintools.bintools;
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# strip on darwin is wrapped to enable deterministic mode.
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strip =
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# TODO(@sternenseemann): also use wrapper if linker == "bfd" or "gold"
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if stdenv.targetPlatform.isDarwin
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then cc.bintools
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else cc.bintools.bintools;
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}.${name};
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in
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"${tools}/bin/${tools.targetPrefix}${name}";
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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" ||
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(targetPlatform.linker == "bfd" && (targetCC.bintools.bintools.hasGold or false) && !targetPlatform.isMusl);
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# Makes debugging easier to see which variant is at play in `nix-store -q --tree`.
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variantSuffix = lib.concatStrings [
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(lib.optionalString stdenv.hostPlatform.isMusl "-musl")
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(lib.optionalString enableIntegerSimple "-integer-simple")
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];
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libffi_name = if stdenv.isDarwin && stdenv.isAarch64 then "libffi" else "libffi_3_3";
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# These libraries are library dependencies of the standard libraries bundled
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# by GHC (core libs) users will link their compiled artifacts again. Thus,
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# they should be taken from targetPackages.
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#
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# We need to use pkgsHostTarget if we are cross compiling a native GHC compiler,
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# though (when native compiling GHC, pkgsHostTarget == targetPackages):
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#
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# 1. targetPackages would be empty(-ish) in this situation since we can't
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# execute cross compiled compilers in order to obtain the libraries
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# that would be in targetPackages.
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# 2. pkgsHostTarget is fine to use since hostPlatform == targetPlatform in this
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# situation.
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# 3. The core libs used by the final GHC (stage 2) for user artifacts are also
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# used to build stage 2 GHC itself, i.e. the core libs are both host and
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# target.
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targetLibs =
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let
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basePackageSet =
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if hostPlatform != targetPlatform
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then targetPackages
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else pkgsHostTarget;
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in
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{
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inherit (basePackageSet) gmp;
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# dynamic inherits are not possible in Nix
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libffi = basePackageSet.${libffi_name};
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};
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in
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stdenv.mkDerivation (rec {
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version = "8.10.7";
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pname = "${targetPrefix}ghc${variantSuffix}";
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src = fetchurl {
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url = "https://downloads.haskell.org/ghc/${version}/ghc-${version}-src.tar.xz";
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sha256 = "e3eef6229ce9908dfe1ea41436befb0455fefb1932559e860ad4c606b0d03c9d";
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};
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enableParallelBuilding = true;
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outputs = [ "out" "doc" ];
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patches = [
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# Fix docs build with sphinx >= 6.0
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# https://gitlab.haskell.org/ghc/ghc/-/issues/22766
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(fetchpatch {
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name = "ghc-docs-sphinx-6.0.patch";
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url = "https://gitlab.haskell.org/ghc/ghc/-/commit/10e94a556b4f90769b7fd718b9790d58ae566600.patch";
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sha256 = "0kmhfamr16w8gch0lgln2912r8aryjky1hfcda3jkcwa5cdzgjdv";
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})
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# See upstream patch at
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# https://gitlab.haskell.org/ghc/ghc/-/merge_requests/4885. Since we build
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# from source distributions, the auto-generated configure script needs to be
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# patched as well, therefore we use an in-tree patch instead of pulling the
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# upstream patch. Don't forget to check backport status of the upstream patch
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# when adding new GHC releases in nixpkgs.
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./respect-ar-path.patch
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# fix hyperlinked haddock sources: https://github.com/haskell/haddock/pull/1482
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(fetchpatch {
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url = "https://patch-diff.githubusercontent.com/raw/haskell/haddock/pull/1482.patch";
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sha256 = "sha256-8w8QUCsODaTvknCDGgTfFNZa8ZmvIKaKS+2ZJZ9foYk=";
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extraPrefix = "utils/haddock/";
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stripLen = 1;
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})
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# cabal passes incorrect --host= when cross-compiling
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# https://github.com/haskell/cabal/issues/5887
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(fetchpatch {
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url = "https://raw.githubusercontent.com/input-output-hk/haskell.nix/122bd81150386867da07fdc9ad5096db6719545a/overlays/patches/ghc/cabal-host.patch";
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sha256 = "sha256:0yd0sajgi24sc1w5m55lkg2lp6kfkgpp3lgija2c8y3cmkwfpdc1";
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})
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# In order to build ghcjs packages, the Cabal of the ghc used for the ghcjs
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# needs to be patched. Ref https://github.com/haskell/cabal/pull/7575
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(fetchpatch {
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url = "https://github.com/haskell/cabal/commit/369c4a0a54ad08a9e6b0d3bd303fedd7b5e5a336.patch";
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sha256 = "120f11hwyaqa0pq9g5l1300crqij49jg0rh83hnp9sa49zfdwx1n";
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stripLen = 3;
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extraPrefix = "libraries/Cabal/Cabal/";
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})
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# We need to be able to set AR_STAGE0 and LD_STAGE0 when cross-compiling
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(fetchpatch {
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url = "https://gitlab.haskell.org/ghc/ghc/-/commit/8f7dd5710b80906ea7a3e15b7bb56a883a49fed8.patch";
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hash = "sha256-C636Nq2U8YOG/av7XQmG3L1rU0bmC9/7m7Hty5pm5+s=";
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})
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] ++ lib.optionals stdenv.isDarwin [
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# Make Block.h compile with c++ compilers. Remove with the next release
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(fetchpatch {
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url = "https://gitlab.haskell.org/ghc/ghc/-/commit/97d0b0a367e4c6a52a17c3299439ac7de129da24.patch";
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sha256 = "0r4zjj0bv1x1m2dgxp3adsf2xkr94fjnyj1igsivd9ilbs5ja0b5";
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})
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] ++ lib.optionals (stdenv.targetPlatform.isDarwin && stdenv.targetPlatform.isAarch64) [
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# Prevent the paths module from emitting symbols that we don't use
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# when building with separate outputs.
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#
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# These cause problems as they're not eliminated by GHC's dead code
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# elimination on aarch64-darwin. (see
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# https://github.com/NixOS/nixpkgs/issues/140774 for details).
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./Cabal-3.2-3.4-paths-fix-cycle-aarch64-darwin.patch
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];
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postPatch = "patchShebangs .";
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# GHC is a bit confused on its cross terminology.
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# TODO(@sternenseemann): investigate coreutils dependencies and pass absolute paths
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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_}=''${!env}"
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done
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# GHC is a bit confused on its cross terminology, as these would normally be
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# the *host* tools.
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export CC="${toolPath "cc" targetCC}"
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export CXX="${toolPath "c++" targetCC}"
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# Use gold to work around https://sourceware.org/bugzilla/show_bug.cgi?id=16177
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export LD="${toolPath "ld${lib.optionalString useLdGold ".gold"}" targetCC}"
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export AS="${toolPath "as" targetCC}"
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export AR="${toolPath "ar" targetCC}"
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export NM="${toolPath "nm" targetCC}"
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export RANLIB="${toolPath "ranlib" targetCC}"
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export READELF="${toolPath "readelf" targetCC}"
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export STRIP="${toolPath "strip" targetCC}"
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'' + lib.optionalString (stdenv.targetPlatform.linker == "cctools") ''
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export OTOOL="${toolPath "otool" targetCC}"
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export INSTALL_NAME_TOOL="${toolPath "install_name_tool" targetCC}"
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'' + lib.optionalString useLLVM ''
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export LLC="${lib.getBin buildTargetLlvmPackages.llvm}/bin/llc"
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export OPT="${lib.getBin buildTargetLlvmPackages.llvm}/bin/opt"
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'' + lib.optionalString (useLLVM && stdenv.targetPlatform.isDarwin) ''
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# LLVM backend on Darwin needs clang: https://downloads.haskell.org/~ghc/latest/docs/html/users_guide/codegens.html#llvm-code-generator-fllvm
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export CLANG="${buildTargetLlvmPackages.clang}/bin/${buildTargetLlvmPackages.clang.targetPrefix}clang"
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'' + ''
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# No need for absolute paths since these tools only need to work during the build
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export CC_STAGE0="$CC_FOR_BUILD"
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export LD_STAGE0="$LD_FOR_BUILD"
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export AR_STAGE0="$AR_FOR_BUILD"
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echo -n "${buildMK}" > mk/build.mk
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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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# GHC tries the host xattr /usr/bin/xattr by default which fails since it expects python to be 2.7
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export XATTR=${lib.getBin xattr}/bin/xattr
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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 $x \
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--replace '*-android*|*-gnueabi*)' \
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'*-android*|*-gnueabi*|*-musleabi*)'
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done
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'';
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# Although it is usually correct to pass --host, we don't do that here because
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# GHC's usage of build, host, and target is non-standard.
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# See https://gitlab.haskell.org/ghc/ghc/-/wikis/building/cross-compiling
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# TODO(@Ericson2314): Always pass "--target" and always prefix.
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configurePlatforms = [ "build" ]
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++ lib.optional (buildPlatform != hostPlatform || targetPlatform != hostPlatform) "target";
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# `--with` flags for libraries needed for RTS linker
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configureFlags = [
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"--datadir=$doc/share/doc/ghc"
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] ++ lib.optionals (args.${libffi_name} != null) [
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"--with-system-libffi"
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"--with-ffi-includes=${targetLibs.libffi.dev}/include"
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"--with-ffi-libraries=${targetLibs.libffi.out}/lib"
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] ++ lib.optionals (targetPlatform == hostPlatform && !enableIntegerSimple) [
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"--with-gmp-includes=${targetLibs.gmp.dev}/include"
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"--with-gmp-libraries=${targetLibs.gmp.out}/lib"
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] ++ lib.optionals (targetPlatform == hostPlatform && hostPlatform.libc != "glibc" && !targetPlatform.isWindows) [
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"--with-iconv-includes=${libiconv}/include"
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"--with-iconv-libraries=${libiconv}/lib"
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] ++ lib.optionals (targetPlatform != hostPlatform) [
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"--enable-bootstrap-with-devel-snapshot"
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] ++ lib.optionals useLdGold [
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"CFLAGS=-fuse-ld=gold"
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"CONF_GCC_LINKER_OPTS_STAGE1=-fuse-ld=gold"
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"CONF_GCC_LINKER_OPTS_STAGE2=-fuse-ld=gold"
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] ++ lib.optionals (disableLargeAddressSpace) [
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"--disable-large-address-space"
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];
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|
||
# Make sure we never relax`$PATH` and hooks support for compatibility.
|
||
strictDeps = true;
|
||
|
||
# Don’t add -liconv to LDFLAGS automatically so that GHC will add it itself.
|
||
dontAddExtraLibs = true;
|
||
|
||
nativeBuildInputs = [
|
||
perl autoreconfHook autoconf automake m4 python3
|
||
ghc bootPkgs.alex bootPkgs.happy bootPkgs.hscolour
|
||
bootPkgs.ghc-settings-edit
|
||
] ++ lib.optionals (stdenv.isDarwin && stdenv.isAarch64) [
|
||
autoSignDarwinBinariesHook
|
||
] ++ lib.optionals enableDocs [
|
||
sphinx
|
||
];
|
||
|
||
# Used by the STAGE0 compiler to build stage1
|
||
depsBuildBuild = [
|
||
buildCC
|
||
# stage0 builds terminfo unconditionally, so we always need ncurses
|
||
ncurses
|
||
];
|
||
# For building runtime libs
|
||
depsBuildTarget = toolsForTarget;
|
||
|
||
buildInputs = [ perl bash ] ++ (libDeps hostPlatform);
|
||
|
||
depsTargetTarget = map lib.getDev (libDeps targetPlatform);
|
||
depsTargetTargetPropagated = map (lib.getOutput "out") (libDeps targetPlatform);
|
||
|
||
# required, because otherwise all symbols from HSffi.o are stripped, and
|
||
# that in turn causes GHCi to abort
|
||
stripDebugFlags = [ "-S" ] ++ lib.optional (!targetPlatform.isDarwin) "--keep-file-symbols";
|
||
|
||
checkTarget = "test";
|
||
|
||
hardeningDisable =
|
||
[ "format" ]
|
||
# In nixpkgs, musl based builds currently enable `pie` hardening by default
|
||
# (see `defaultHardeningFlags` in `make-derivation.nix`).
|
||
# But GHC cannot currently produce outputs that are ready for `-pie` linking.
|
||
# Thus, disable `pie` hardening, otherwise `recompile with -fPIE` errors appear.
|
||
# See:
|
||
# * https://github.com/NixOS/nixpkgs/issues/129247
|
||
# * https://gitlab.haskell.org/ghc/ghc/-/issues/19580
|
||
++ lib.optional stdenv.targetPlatform.isMusl "pie";
|
||
|
||
# big-parallel allows us to build with more than 2 cores on
|
||
# Hydra which already warrants a significant speedup
|
||
requiredSystemFeatures = [ "big-parallel" ];
|
||
|
||
postInstall = ''
|
||
settingsFile="$out/lib/${targetPrefix}${passthru.haskellCompilerName}/settings"
|
||
|
||
# Make the installed GHC use the host->target tools.
|
||
ghc-settings-edit "$settingsFile" \
|
||
"C compiler command" "${toolPath "cc" installCC}" \
|
||
"Haskell CPP command" "${toolPath "cc" installCC}" \
|
||
"C++ compiler command" "${toolPath "c++" installCC}" \
|
||
"ld command" "${toolPath "ld${lib.optionalString useLdGold ".gold"}" installCC}" \
|
||
"Merge objects command" "${toolPath "ld${lib.optionalString useLdGold ".gold"}" installCC}" \
|
||
"ar command" "${toolPath "ar" installCC}" \
|
||
"ranlib command" "${toolPath "ranlib" installCC}"
|
||
|
||
# Install the bash completion file.
|
||
install -D -m 444 utils/completion/ghc.bash $out/share/bash-completion/completions/${targetPrefix}ghc
|
||
'';
|
||
|
||
passthru = {
|
||
inherit bootPkgs targetPrefix;
|
||
|
||
inherit llvmPackages;
|
||
inherit enableShared;
|
||
|
||
# This is used by the haskell builder to query
|
||
# the presence of the haddock program.
|
||
hasHaddock = enableHaddockProgram;
|
||
|
||
# Our Cabal compiler name
|
||
haskellCompilerName = "ghc-${version}";
|
||
};
|
||
|
||
meta = {
|
||
homepage = "http://haskell.org/ghc";
|
||
description = "Glasgow Haskell Compiler";
|
||
maintainers = with lib.maintainers; [
|
||
guibou
|
||
] ++ lib.teams.haskell.members;
|
||
timeout = 24 * 3600;
|
||
inherit (ghc.meta) license platforms;
|
||
};
|
||
|
||
} // lib.optionalAttrs targetPlatform.useAndroidPrebuilt {
|
||
dontStrip = true;
|
||
dontPatchELF = true;
|
||
noAuditTmpdir = true;
|
||
})
|