{ lib, stdenv, pkgsBuildTarget, targetPackages # build-tools , bootPkgs , autoconf, automake, coreutils, fetchurl, perl, python3, m4, sphinx , bash , libiconv ? null, ncurses , # GHC can be built with system libffi or a bundled one. libffi ? null , useLLVM ? !stdenv.targetPlatform.isx86 , # LLVM is conceptually a run-time-only depedendency, but for # non-x86, we need LLVM to bootstrap later stages, so it becomes a # build-time dependency too. buildLlvmPackages, llvmPackages , # If enabled, GHC will be built with the GPL-free but slower integer-simple # library instead of the faster but GPLed integer-gmp library. enableIntegerSimple ? !(lib.meta.availableOn stdenv.hostPlatform gmp), gmp , # If enabled, use -fPIC when compiling static libs. enableRelocatedStaticLibs ? stdenv.targetPlatform != stdenv.hostPlatform # aarch64 outputs otherwise exceed 2GB limit , enableProfiledLibs ? !stdenv.targetPlatform.isAarch64 , # Whether to build dynamic libs for the standard library (on the target # platform). Static libs are always built. enableShared ? !stdenv.targetPlatform.isWindows && !stdenv.targetPlatform.useiOSPrebuilt , # Whether to build terminfo. enableTerminfo ? !stdenv.targetPlatform.isWindows , # What flavour to build. An empty string indicates no # specific flavour and falls back to ghc default values. ghcFlavour ? lib.optionalString (stdenv.targetPlatform != stdenv.hostPlatform) (if useLLVM then "perf-cross" else "perf-cross-ncg") , # Whether to disable the large address space allocator # necessary fix for iOS: https://www.reddit.com/r/haskell/comments/4ttdz1/building_an_osxi386_to_iosarm64_cross_compiler/d5qvd67/ disableLargeAddressSpace ? stdenv.targetPlatform.isDarwin && stdenv.targetPlatform.isAarch64 }: assert !enableIntegerSimple -> gmp != null; let inherit (stdenv) buildPlatform hostPlatform targetPlatform; inherit (bootPkgs) ghc; # TODO(@Ericson2314) Make unconditional targetPrefix = lib.optionalString (targetPlatform != hostPlatform) "${targetPlatform.config}-"; buildMK = dontStrip: '' BuildFlavour = ${ghcFlavour} ifneq \"\$(BuildFlavour)\" \"\" include mk/flavours/\$(BuildFlavour).mk endif DYNAMIC_GHC_PROGRAMS = ${if enableShared then "YES" else "NO"} INTEGER_LIBRARY = ${if enableIntegerSimple then "integer-simple" else "integer-gmp"} '' # We only need to build stage1 on most cross-compilation because # we will be running the compiler on the native system. In some # situations, like native Musl compilation, we need the compiler # to actually link to our new Libc. The iOS simulator is a special # exception because we can’t actually run simulators binaries # ourselves. + lib.optionalString (targetPlatform != hostPlatform) '' Stage1Only = ${if (targetPlatform.system == hostPlatform.system && !targetPlatform.isiOS) then "NO" else "YES"} CrossCompilePrefix = ${targetPrefix} HADDOCK_DOCS = NO BUILD_SPHINX_HTML = NO BUILD_SPHINX_PDF = NO '' + lib.optionalString dontStrip '' STRIP_CMD = : '' + lib.optionalString (!enableProfiledLibs) '' GhcLibWays = "v dyn" '' + lib.optionalString enableRelocatedStaticLibs '' GhcLibHcOpts += -fPIC GhcRtsHcOpts += -fPIC '' + lib.optionalString targetPlatform.useAndroidPrebuilt '' EXTRA_CC_OPTS += -std=gnu99 ''; # Splicer will pull out correct variations libDeps = platform: lib.optional enableTerminfo ncurses ++ [libffi] ++ lib.optional (!enableIntegerSimple) gmp ++ lib.optional (platform.libc != "glibc" && !targetPlatform.isWindows) libiconv; toolsForTarget = [ pkgsBuildTarget.targetPackages.stdenv.cc ] ++ lib.optional useLLVM buildLlvmPackages.llvm; targetCC = builtins.head toolsForTarget; # ld.gold is disabled for musl libc due to https://sourceware.org/bugzilla/show_bug.cgi?id=23856 # see #84670 and #49071 for more background. useLdGold = targetPlatform.isLinux && !(targetPlatform.useLLVM or false) && !targetPlatform.isMusl; in stdenv.mkDerivation (rec { version = "8.8.4"; name = "${targetPrefix}ghc-${version}"; src = fetchurl { url = "https://downloads.haskell.org/ghc/${version}/ghc-${version}-src.tar.xz"; sha256 = "0bgwbxxvdn56l91bp9p5d083gzcfdi6z8l8b17qzjpr3n8w5wl7h"; }; enableParallelBuilding = true; outputs = [ "out" "doc" ]; patches = [ # See upstream patch at # https://gitlab.haskell.org/ghc/ghc/-/merge_requests/4885. Since we build # from source distributions, the auto-generated configure script needs to be # patched as well, therefore we use an in-tree patch instead of pulling the # upstream patch. Don't forget to check backport status of the upstream patch # when adding new GHC releases in nixpkgs. ./respect-ar-path.patch ]; postPatch = "patchShebangs ."; # GHC is a bit confused on its cross terminology. preConfigure = lib.optionalString stdenv.isAarch64 '' # Aarch64 allow backward bootstrapping since earlier versions are unstable. find . -name \*\.cabal\* -exec sed -i -e 's/\(base.*\)4.14/\14.16/' {} \; \ -exec sed -i -e 's/\(prim.*\)0.6/\10.8/' {} \; '' + '' for env in $(env | grep '^TARGET_' | sed -E 's|\+?=.*||'); do export "''${env#TARGET_}=''${!env}" done # GHC is a bit confused on its cross terminology, as these would normally be # the *host* tools. export CC="${targetCC}/bin/${targetCC.targetPrefix}cc" export CXX="${targetCC}/bin/${targetCC.targetPrefix}cxx" # Use gold to work around https://sourceware.org/bugzilla/show_bug.cgi?id=16177 export LD="${targetCC.bintools}/bin/${targetCC.bintools.targetPrefix}ld${lib.optionalString useLdGold ".gold"}" export AS="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}as" export AR="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}ar" export NM="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}nm" export RANLIB="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}ranlib" export READELF="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}readelf" export STRIP="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}strip" echo -n "${buildMK dontStrip}" > mk/build.mk sed -i -e 's|-isysroot /Developer/SDKs/MacOSX10.5.sdk||' configure '' + lib.optionalString (!stdenv.isDarwin) '' export NIX_LDFLAGS+=" -rpath $out/lib/ghc-${version}" '' + lib.optionalString stdenv.isDarwin '' export NIX_LDFLAGS+=" -no_dtrace_dof" '' + lib.optionalString targetPlatform.useAndroidPrebuilt '' 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 '' + lib.optionalString targetPlatform.isMusl '' echo "patching llvm-targets for musl targets..." echo "Cloning these existing '*-linux-gnu*' targets:" grep linux-gnu llvm-targets | sed 's/^/ /' echo "(go go gadget sed)" sed -i 's,\(^.*linux-\)gnu\(.*\)$,\0\n\1musl\2,' llvm-targets echo "llvm-targets now contains these '*-linux-musl*' targets:" grep linux-musl llvm-targets | sed 's/^/ /' echo "And now patching to preserve '-musleabi' as done with '-gnueabi'" # (aclocal.m4 is actual source, but patch configure as well since we don't re-gen) for x in configure aclocal.m4; do substituteInPlace $x \ --replace '*-android*|*-gnueabi*)' \ '*-android*|*-gnueabi*|*-musleabi*)' done ''; # TODO(@Ericson2314): Always pass "--target" and always prefix. configurePlatforms = [ "build" "host" ] ++ lib.optional (targetPlatform != hostPlatform) "target"; # `--with` flags for libraries needed for RTS linker configureFlags = [ "--datadir=$doc/share/doc/ghc" "--with-curses-includes=${ncurses.dev}/include" "--with-curses-libraries=${ncurses.out}/lib" ] ++ lib.optionals (libffi != null) [ "--with-system-libffi" "--with-ffi-includes=${targetPackages.libffi.dev}/include" "--with-ffi-libraries=${targetPackages.libffi.out}/lib" ] ++ lib.optionals (targetPlatform == hostPlatform && !enableIntegerSimple) [ "--with-gmp-includes=${targetPackages.gmp.dev}/include" "--with-gmp-libraries=${targetPackages.gmp.out}/lib" ] ++ lib.optionals (targetPlatform == hostPlatform && hostPlatform.libc != "glibc" && !targetPlatform.isWindows) [ "--with-iconv-includes=${libiconv}/include" "--with-iconv-libraries=${libiconv}/lib" ] ++ lib.optionals (targetPlatform != hostPlatform) [ "--enable-bootstrap-with-devel-snapshot" ] ++ lib.optionals useLdGold [ "CFLAGS=-fuse-ld=gold" "CONF_GCC_LINKER_OPTS_STAGE1=-fuse-ld=gold" "CONF_GCC_LINKER_OPTS_STAGE2=-fuse-ld=gold" ] ++ lib.optionals (disableLargeAddressSpace) [ "--disable-large-address-space" ]; # 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 autoconf automake m4 python3 sphinx ghc bootPkgs.alex bootPkgs.happy bootPkgs.hscolour ]; # For building runtime libs depsBuildTarget = toolsForTarget; buildInputs = [ perl bash ] ++ (libDeps hostPlatform); propagatedBuildInputs = [ targetPackages.stdenv.cc ] ++ lib.optional useLLVM llvmPackages.llvm; 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" ] ++ lib.optional stdenv.targetPlatform.isMusl "pie"; postInstall = '' # Install the bash completion file. install -D -m 444 utils/completion/ghc.bash $out/share/bash-completion/completions/${targetPrefix}ghc # Patch scripts to include "readelf" and "cat" in $PATH. for i in "$out/bin/"*; do test ! -h $i || continue egrep --quiet '^#!' <(head -n 1 $i) || continue sed -i -e '2i export PATH="$PATH:${lib.makeBinPath [ targetPackages.stdenv.cc.bintools coreutils ]}"' $i done ''; passthru = { inherit bootPkgs targetPrefix; inherit llvmPackages; inherit enableShared; # Our Cabal compiler name haskellCompilerName = "ghc-${version}"; }; meta = { homepage = "http://haskell.org/ghc"; description = "The Glasgow Haskell Compiler"; maintainers = with lib.maintainers; [ marcweber andres peti ]; timeout = 24 * 3600; inherit (ghc.meta) license platforms; }; dontStrip = (targetPlatform.useAndroidPrebuilt || targetPlatform.isWasm); } // lib.optionalAttrs targetPlatform.useAndroidPrebuilt{ dontPatchELF = true; noAuditTmpdir = true; })