From ddb77f3437fa437c29857f62ee2db2b1af0ae4f3 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Wed, 18 Sep 2019 18:24:42 +0200
Subject: [PATCH 1/3] ghc: drop obsolete 8.6.4 version

The latest version in the 8.6.x branch is 8.6.5.
---
 pkgs/development/compilers/elm/default.nix |   2 +-
 pkgs/development/compilers/ghc/8.6.4.nix   | 251 ---------------------
 pkgs/top-level/haskell-packages.nix        |  13 +-
 3 files changed, 2 insertions(+), 264 deletions(-)
 delete mode 100644 pkgs/development/compilers/ghc/8.6.4.nix

diff --git a/pkgs/development/compilers/elm/default.nix b/pkgs/development/compilers/elm/default.nix
index ce18200943ea..676fa19d9e85 100644
--- a/pkgs/development/compilers/elm/default.nix
+++ b/pkgs/development/compilers/elm/default.nix
@@ -12,7 +12,7 @@ let
       inherit (stdenv.hostPlatform) system;
     };
 
-  hsPkgs = haskell.packages.ghc864.override {
+  hsPkgs = haskell.packages.ghc865.override {
     overrides = self: super: with haskell.lib;
       let elmPkgs = rec {
             elm = overrideCabal (self.callPackage ./packages/elm.nix { }) (drv: {
diff --git a/pkgs/development/compilers/ghc/8.6.4.nix b/pkgs/development/compilers/ghc/8.6.4.nix
deleted file mode 100644
index 18b2407a90ba..000000000000
--- a/pkgs/development/compilers/ghc/8.6.4.nix
+++ /dev/null
@@ -1,251 +0,0 @@
-{ stdenv, pkgsBuildTarget, targetPackages
-
-# build-tools
-, bootPkgs
-, autoconf, automake, coreutils, fetchurl, fetchpatch, 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 ? !(stdenv.lib.any (stdenv.lib.meta.platformMatch stdenv.hostPlatform) gmp.meta.platforms), gmp
-
-, # If enabled, use -fPIC when compiling static libs.
-  enableRelocatedStaticLibs ? stdenv.targetPlatform != stdenv.hostPlatform
-
-, # 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
-
-, # Whetherto 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 ? stdenv.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 = stdenv.lib.optionalString
-    (targetPlatform != hostPlatform)
-    "${targetPlatform.config}-";
-
-  buildMK = ''
-    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"}
-  '' + stdenv.lib.optionalString (targetPlatform != hostPlatform) ''
-    Stage1Only = ${if targetPlatform.system == hostPlatform.system then "NO" else "YES"}
-    CrossCompilePrefix = ${targetPrefix}
-    HADDOCK_DOCS = NO
-    BUILD_SPHINX_HTML = NO
-    BUILD_SPHINX_PDF = NO
-  '' + stdenv.lib.optionalString enableRelocatedStaticLibs ''
-    GhcLibHcOpts += -fPIC
-    GhcRtsHcOpts += -fPIC
-  '' + stdenv.lib.optionalString targetPlatform.useAndroidPrebuilt ''
-    EXTRA_CC_OPTS += -std=gnu99
-  '';
-
-  # Splicer will pull out correct variations
-  libDeps = platform: stdenv.lib.optional enableTerminfo [ ncurses ]
-    ++ [libffi]
-    ++ stdenv.lib.optional (!enableIntegerSimple) gmp
-    ++ stdenv.lib.optional (platform.libc != "glibc" && !targetPlatform.isWindows) libiconv;
-
-  toolsForTarget = [
-    pkgsBuildTarget.targetPackages.stdenv.cc
-  ] ++ stdenv.lib.optional useLLVM buildLlvmPackages.llvm;
-
-  targetCC = builtins.head toolsForTarget;
-
-in
-stdenv.mkDerivation (rec {
-  version = "8.6.4";
-  name = "${targetPrefix}ghc-${version}";
-
-  src = fetchurl {
-    url = "https://downloads.haskell.org/~ghc/${version}/ghc-${version}-src.tar.xz";
-    sha256 = "0fihs1sr0hpk67dn9cmrsav13kkcp9hz8ggdqcrs80rj8vj0fpav";
-  };
-
-  enableParallelBuilding = true;
-
-  outputs = [ "out" "doc" ];
-
-  patches = [
-    (fetchpatch rec { # https://phabricator.haskell.org/D5123
-     url = "http://tarballs.nixos.org/sha256/${sha256}";
-     name = "D5123.diff";
-     sha256 = "0nhqwdamf2y4gbwqxcgjxs0kqx23w9gv5kj0zv6450dq19rji82n";
-    })
-    (fetchpatch { # https://github.com/haskell/haddock/issues/900
-     url = "https://patch-diff.githubusercontent.com/raw/haskell/haddock/pull/983.diff";
-     name = "loadpluginsinmodules.diff";
-     sha256 = "0bvvv0zsfq2581zsir97zfkggc1kkircbbajc2fz3b169ycpbha1";
-     extraPrefix = "utils/haddock/";
-     stripLen = 1;
-   })
-  ];
-
-  postPatch = "patchShebangs .";
-
-  # GHC is a bit confused on its cross terminology.
-  preConfigure = ''
-    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/${targetCC.bintools.targetPrefix}ld${stdenv.lib.optionalString targetPlatform.isLinux ".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}" > mk/build.mk
-    sed -i -e 's|-isysroot /Developer/SDKs/MacOSX10.5.sdk||' configure
-  '' + stdenv.lib.optionalString (!stdenv.isDarwin) ''
-    export NIX_LDFLAGS+=" -rpath $out/lib/ghc-${version}"
-  '' + stdenv.lib.optionalString stdenv.isDarwin ''
-    export NIX_LDFLAGS+=" -no_dtrace_dof"
-  '' + stdenv.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
-  '' + stdenv.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 $x \
-          --replace '*-android*|*-gnueabi*)' \
-                    '*-android*|*-gnueabi*|*-musleabi*)'
-      done
-  '';
-
-  # TODO(@Ericson2314): Always pass "--target" and always prefix.
-  configurePlatforms = [ "build" "host" ]
-    ++ stdenv.lib.optional (targetPlatform != hostPlatform) "target";
-  # `--with` flags for libraries needed for RTS linker
-  configureFlags = [
-    "--datadir=$doc/share/doc/ghc"
-    "--with-curses-includes=${ncurses.dev}/include" "--with-curses-libraries=${ncurses.out}/lib"
-  ] ++ stdenv.lib.optionals (libffi != null) ["--with-system-libffi" "--with-ffi-includes=${targetPackages.libffi.dev}/include" "--with-ffi-libraries=${targetPackages.libffi.out}/lib"
-  ] ++ stdenv.lib.optional (targetPlatform == hostPlatform && !enableIntegerSimple) [
-    "--with-gmp-includes=${targetPackages.gmp.dev}/include" "--with-gmp-libraries=${targetPackages.gmp.out}/lib"
-  ] ++ stdenv.lib.optional (targetPlatform == hostPlatform && hostPlatform.libc != "glibc" && !targetPlatform.isWindows) [
-    "--with-iconv-includes=${libiconv}/include" "--with-iconv-libraries=${libiconv}/lib"
-  ] ++ stdenv.lib.optionals (targetPlatform != hostPlatform) [
-    "--enable-bootstrap-with-devel-snapshot"
-  ] ++ stdenv.lib.optionals (targetPlatform.isAarch32) [
-    "CFLAGS=-fuse-ld=gold"
-    "CONF_GCC_LINKER_OPTS_STAGE1=-fuse-ld=gold"
-    "CONF_GCC_LINKER_OPTS_STAGE2=-fuse-ld=gold"
-  ] ++ stdenv.lib.optionals (disableLargeAddressSpace) [
-    "--disable-large-address-space"
-  ];
-
-  # Make sure we never relax`$PATH` and hooks support for compatability.
-  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 ]
-    ++ stdenv.lib.optional useLLVM llvmPackages.llvm;
-
-  depsTargetTarget = map stdenv.lib.getDev (libDeps targetPlatform);
-  depsTargetTargetPropagated = map (stdenv.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" ] ++ stdenv.lib.optional (!targetPlatform.isDarwin) "--keep-file-symbols";
-
-  # See #63511 - the only unstripped file is the debug rts which isn't meant to
-  # be stripped.
-  dontStrip = true;
-
-  checkTarget = "test";
-
-  hardeningDisable = [ "format" ] ++ stdenv.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:${stdenv.lib.makeBinPath [ targetPackages.stdenv.cc.bintools coreutils ]}"' $i
-    done
-  '';
-
-  passthru = {
-    inherit bootPkgs targetPrefix;
-
-    inherit llvmPackages;
-    inherit enableShared;
-
-    # Our Cabal compiler name
-    haskellCompilerName = "ghc-8.6.4";
-  };
-
-  meta = {
-    homepage = http://haskell.org/ghc;
-    description = "The Glasgow Haskell Compiler";
-    maintainers = with stdenv.lib.maintainers; [ marcweber andres peti ];
-    inherit (ghc.meta) license platforms;
-  };
-
-} // stdenv.lib.optionalAttrs targetPlatform.useAndroidPrebuilt {
-  dontStrip = true;
-  dontPatchELF = true;
-  noAuditTmpdir = true;
-})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 49bfc58adf06..6755448dcbff 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -59,12 +59,6 @@ in {
       buildLlvmPackages = buildPackages.llvmPackages_5;
       llvmPackages = pkgs.llvmPackages_5;
     };
-    ghc864 = callPackage ../development/compilers/ghc/8.6.4.nix {
-      bootPkgs = packages.ghc822Binary;
-      inherit (buildPackages.python3Packages) sphinx;
-      buildLlvmPackages = buildPackages.llvmPackages_6;
-      llvmPackages = pkgs.llvmPackages_6;
-    };
     ghc865 = callPackage ../development/compilers/ghc/8.6.5.nix {
       bootPkgs = packages.ghc822Binary;
       inherit (buildPackages.python3Packages) sphinx;
@@ -91,7 +85,7 @@ in {
       ghcjsDepOverrides = callPackage ../development/compilers/ghcjs-ng/8.4/dep-overrides.nix {};
     };
     ghcjs86 = callPackage ../development/compilers/ghcjs-ng {
-      bootPkgs = packages.ghc864;
+      bootPkgs = packages.ghc865;
       ghcjsSrcJson = ../development/compilers/ghcjs-ng/8.6/git.json;
       stage0 = ../development/compilers/ghcjs-ng/8.6/stage0.nix;
       ghcjsDepOverrides = callPackage ../development/compilers/ghcjs-ng/8.6/dep-overrides.nix {};
@@ -136,11 +130,6 @@ in {
       ghc = bh.compiler.ghc844;
       compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-8.4.x.nix { };
     };
-    ghc864 = callPackage ../development/haskell-modules {
-      buildHaskellPackages = bh.packages.ghc864;
-      ghc = bh.compiler.ghc864;
-      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-8.6.x.nix { };
-    };
     ghc865 = callPackage ../development/haskell-modules {
       buildHaskellPackages = bh.packages.ghc865;
       ghc = bh.compiler.ghc865;

From 1f157b8cf8a640389b789ae24fd49752f53de1d7 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Wed, 18 Sep 2019 18:28:11 +0200
Subject: [PATCH 2/3] ghc: drop obsolete 8.2.2 version

We keep the last 3 major releases of GHC around, which are
versions 8.8.1, 8.6.5, and 8.4.4.
---
 pkgs/development/compilers/ghc/8.2.2.nix | 276 -----------------------
 pkgs/top-level/haskell-packages.nix      |  11 -
 2 files changed, 287 deletions(-)
 delete mode 100644 pkgs/development/compilers/ghc/8.2.2.nix

diff --git a/pkgs/development/compilers/ghc/8.2.2.nix b/pkgs/development/compilers/ghc/8.2.2.nix
deleted file mode 100644
index a034e4ec8dd8..000000000000
--- a/pkgs/development/compilers/ghc/8.2.2.nix
+++ /dev/null
@@ -1,276 +0,0 @@
-{ stdenv, pkgsBuildTarget, targetPackages
-
-# build-tools
-, bootPkgs
-, autoconf, autoreconfHook, automake, coreutils, fetchurl, fetchpatch, perl, python3, sphinx
-, bash
-, runCommand
-
-, libiconv ? null, ncurses
-
-, useLLVM ? !stdenv.targetPlatform.isx86 || (stdenv.targetPlatform.isMusl && stdenv.hostPlatform != stdenv.targetPlatform)
-, # 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 ? !(stdenv.lib.any (stdenv.lib.meta.platformMatch stdenv.hostPlatform) gmp.meta.platforms), gmp
-
-, # If enabled, use -fPIC when compiling static libs.
-  enableRelocatedStaticLibs ? stdenv.targetPlatform != stdenv.hostPlatform
-
-, # Whether to build dynamic libs for the standard library (on the target
-  # platform). Static libs are always built.
-  enableShared ? !stdenv.targetPlatform.useiOSPrebuilt
-
-, # What flavour to build. An empty string indicates no
-  # specific flavour and falls back to ghc default values.
-  ghcFlavour ? stdenv.lib.optionalString (stdenv.targetPlatform != stdenv.hostPlatform) "perf-cross"
-, # Whether to backport https://phabricator.haskell.org/D4388 for
-  # deterministic profiling symbol names, at the cost of a slightly
-  # non-standard GHC API
-  deterministicProfiling ? false
-}:
-
-assert !enableIntegerSimple -> gmp != null;
-
-let
-  inherit (stdenv) buildPlatform hostPlatform targetPlatform;
-
-  inherit (bootPkgs) ghc;
-
-  # TODO(@Ericson2314) Make unconditional
-  targetPrefix = stdenv.lib.optionalString
-    (targetPlatform != hostPlatform)
-    "${targetPlatform.config}-";
-
-  buildMK = ''
-    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"}
-  '' + stdenv.lib.optionalString (targetPlatform != hostPlatform) ''
-    Stage1Only = ${if targetPlatform.system == hostPlatform.system then "NO" else "YES"}
-    CrossCompilePrefix = ${targetPrefix}
-    HADDOCK_DOCS = NO
-    BUILD_SPHINX_HTML = NO
-    BUILD_SPHINX_PDF = NO
-  '' + stdenv.lib.optionalString enableRelocatedStaticLibs ''
-    GhcLibHcOpts += -fPIC
-    GhcRtsHcOpts += -fPIC
-  '' + stdenv.lib.optionalString targetPlatform.useAndroidPrebuilt ''
-    EXTRA_CC_OPTS += -std=gnu99
-  '';
-
-  # Splicer will pull out correct variations
-  libDeps = platform: [ ncurses ]
-    ++ stdenv.lib.optional (!enableIntegerSimple) gmp
-    ++ stdenv.lib.optional (platform.libc != "glibc") libiconv;
-
-  toolsForTarget = [
-    pkgsBuildTarget.targetPackages.stdenv.cc
-  ] ++ stdenv.lib.optional useLLVM buildLlvmPackages.llvm;
-
-  targetCC = builtins.head toolsForTarget;
-
-in
-stdenv.mkDerivation (rec {
-  version = "8.2.2";
-  name = "${targetPrefix}ghc-${version}";
-
-  src = fetchurl {
-    url = "https://downloads.haskell.org/~ghc/${version}/ghc-${version}-src.tar.xz";
-    sha256 = "1z05vkpaj54xdypmaml50hgsdpw29dhbs2r7magx0cm199iw73mv";
-  };
-
-  enableParallelBuilding = true;
-
-  outputs = [ "out" "doc" ];
-
-  patches = [
-    (fetchpatch { # Fix STRIP to be substituted from configure
-      url = "https://git.haskell.org/ghc.git/commitdiff_plain/2fc8ce5f0c8c81771c26266ac0b150ca9b75c5f3";
-      sha256 = "03253ci40np1v6k0wmi4aypj3nmj3rdyvb1k6rwqipb30nfc719f";
-    })
-    (import ./abi-depends-determinism.nix { inherit fetchpatch runCommand; })
-  ] ++ stdenv.lib.optionals (hostPlatform != targetPlatform) [
-    # Cherry-pick a few commits from newer hsc2hs so that proper binary is
-    # installed -- stage 2 normally but stage 1 with cross.
-    #
-    # TODO make unconditional next mass rebuild.
-    (fetchpatch {
-      url = "https://git.haskell.org/hsc2hs.git/patch/ecdac062b5cf1d284906487849c56f4e149b3c8e";
-      sha256 = "1gagswi26j50z44sdx0mk1sb3wr0nrqyaph9j724zp6iwqslxyzm";
-      extraPrefix = "utils/hsc2hs/";
-      stripLen = 1;
-    })
-    (fetchpatch {
-      url = "https://git.haskell.org/hsc2hs.git/patch/598303cbffcd230635fbce28ce4105d177fdf76a";
-      sha256 = "0hqcg434qbh1bz1pk85cap2q4v9i8bs6x65yzq4spz6xk3zq6af7";
-      extraPrefix = "utils/hsc2hs/";
-      stripLen = 1;
-    })
-    (fetchpatch {
-      url = "https://git.haskell.org/hsc2hs.git/patch/9483ad10064fbbb97ab525280623826b1ef63959";
-      sha256 = "1cpfdhfc0cz9xkjzkcgwx4fbyj96dkmd04wpwi1vji7fahw8kmf3";
-      extraPrefix = "utils/hsc2hs/";
-      stripLen = 1;
-    })
-    (fetchpatch {
-      url = "https://git.haskell.org/hsc2hs.git/patch/738f3666c878ee9e79c3d5e819ef8b3460288edf";
-      sha256 = "0plzsbfaq6vb1023lsarrjglwgr9chld4q3m99rcfzx0yx5mibp3";
-      extraPrefix = "utils/hsc2hs/";
-      stripLen = 1;
-    })
-  ] ++ stdenv.lib.optionals (hostPlatform != targetPlatform && targetPlatform.system == hostPlatform.system) [
-    (fetchpatch {
-      url = "https://raw.githubusercontent.com/gentoo/gentoo/08a41d2dff99645af6ac5a7bb4774f5f193b6f20/dev-lang/ghc/files/ghc-8.2.1_rc1-unphased-cross.patch";
-      sha256 = "1hxj80bjx0x3w0f35cj3k2wipppr1ald03jwfy5q0xlxygdha17w";
-    })
-    (fetchpatch {
-      url = "https://raw.githubusercontent.com/gentoo/gentoo/08a41d2dff99645af6ac5a7bb4774f5f193b6f20/dev-lang/ghc/files/ghc-8.2.1_rc1-staged-cross.patch";
-      sha256 = "12xsln3zyfpvml8bwdpbc003h6zl1qh2qcq1rhdrw02n45dz8lvc";
-    })
-    (fetchpatch {
-      url = "https://raw.githubusercontent.com/gentoo/gentoo/08a41d2dff99645af6ac5a7bb4774f5f193b6f20/dev-lang/ghc/files/ghc-8.2.1_rc1-ghci-cross.patch";
-      sha256 = "03dcqf5af3vjhrky3f2z26j4d9h8qd9nkv76xp0l97h4cqk7vfqb";
-    })
-    (fetchpatch {
-      url = "https://raw.githubusercontent.com/gentoo/gentoo/08a41d2dff99645af6ac5a7bb4774f5f193b6f20/dev-lang/ghc/files/ghc-8.2.1_rc1-stage2-cross.patch";
-      sha256 = "0pi2m85wjxaaablq6n4q5vyn9qxvry5d7nmja4b28i68yb4ly9g1";
-    })
-    (fetchpatch {
-      url = "https://raw.githubusercontent.com/gentoo/gentoo/08a41d2dff99645af6ac5a7bb4774f5f193b6f20/dev-lang/ghc/files/ghc-8.2.1_rc1-hp2ps-cross.patch";
-      sha256 = "1fszfavf1cvrf02x500mi7jykcpvpl2i7i4qzr2qz9sbmyq063f0";
-    })
-  ] ++ stdenv.lib.optional deterministicProfiling
-    (fetchpatch { # Backport of https://phabricator.haskell.org/D4388 for more determinism
-      url = "https://github.com/shlevy/ghc/commit/fec1b8d3555c447c0d8da0e96b659be67c8bb4bc.patch";
-      sha256 = "1lyysz6hfd1njcigpm8xppbnkadqfs0kvrp7s8vqgb38pjswj5hg";
-    })
-    ++ stdenv.lib.optional stdenv.isDarwin ./backport-dylib-command-size-limit.patch;
-
-  postPatch = "patchShebangs .";
-
-  # GHC is a bit confused on its cross terminology.
-  preConfigure = ''
-    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/${targetCC.bintools.targetPrefix}ld${stdenv.lib.optionalString targetPlatform.isLinux ".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}" > mk/build.mk
-    sed -i -e 's|-isysroot /Developer/SDKs/MacOSX10.5.sdk||' configure
-  '' + stdenv.lib.optionalString (!stdenv.isDarwin) ''
-    export NIX_LDFLAGS+=" -rpath $out/lib/ghc-${version}"
-  '' + stdenv.lib.optionalString stdenv.isDarwin ''
-    export NIX_LDFLAGS+=" -no_dtrace_dof"
-  '';
-
-  # TODO(@Ericson2314): Always pass "--target" and always prefix.
-  configurePlatforms = [ "build" "host" ]
-    ++ stdenv.lib.optional (targetPlatform != hostPlatform) "target";
-  # `--with` flags for libraries needed for RTS linker
-  configureFlags = [
-    "--datadir=$doc/share/doc/ghc"
-  ] ++ stdenv.lib.optional (targetPlatform == hostPlatform) [
-    "--with-curses-includes=${ncurses.dev}/include" "--with-curses-libraries=${ncurses.out}/lib"
-  ] ++ stdenv.lib.optional (targetPlatform == hostPlatform && !enableIntegerSimple) [
-    "--with-gmp-includes=${targetPackages.gmp.dev}/include" "--with-gmp-libraries=${targetPackages.gmp.out}/lib"
-  ] ++ stdenv.lib.optional (targetPlatform == hostPlatform && hostPlatform.libc != "glibc") [
-    "--with-iconv-includes=${libiconv}/include" "--with-iconv-libraries=${libiconv}/lib"
-  ] ++ stdenv.lib.optionals (targetPlatform != hostPlatform) [
-    "--enable-bootstrap-with-devel-snapshot"
-  ] ++ stdenv.lib.optionals (targetPlatform.isAarch32) [
-    "CFLAGS=-fuse-ld=gold"
-    "CONF_GCC_LINKER_OPTS_STAGE1=-fuse-ld=gold"
-    "CONF_GCC_LINKER_OPTS_STAGE2=-fuse-ld=gold"
-  ] ++ stdenv.lib.optionals (targetPlatform.isDarwin && targetPlatform.isAarch64) [
-    # fix for iOS: https://www.reddit.com/r/haskell/comments/4ttdz1/building_an_osxi386_to_iosarm64_cross_compiler/d5qvd67/
-    "--disable-large-address-space"
-  ];
-
-  # Don’t add -liconv to LDFLAGS automatically so that GHC will add it itself.
-  dontAddExtraLibs = true;
-
-  # Make sure we never relax`$PATH` and hooks support for compatability.
-  strictDeps = true;
-
-  nativeBuildInputs = [
-    autoconf autoreconfHook automake perl python3 sphinx
-    ghc bootPkgs.alex bootPkgs.happy bootPkgs.hscolour
-  ];
-
-  # For building runtime libs
-  depsBuildTarget = toolsForTarget;
-
-  buildInputs = [ perl bash ] ++ (libDeps hostPlatform);
-
-  propagatedBuildInputs = [ targetPackages.stdenv.cc ]
-    ++ stdenv.lib.optional useLLVM llvmPackages.llvm;
-
-  depsTargetTarget = map stdenv.lib.getDev (libDeps targetPlatform);
-  depsTargetTargetPropagated = map (stdenv.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" ] ++ stdenv.lib.optional (!targetPlatform.isDarwin) "--keep-file-symbols";
-
-  # See #63511 - the only unstripped file is the debug rts which isn't meant to
-  # be stripped.
-  dontStrip = true;
-
-  checkTarget = "test";
-  doCheck = false; # fails with "testsuite/tests: No such file or directory.  Stop."
-
-  hardeningDisable = [ "format" ] ++ stdenv.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:${stdenv.lib.makeBinPath [ targetPackages.stdenv.cc.bintools coreutils ]}"' $i
-    done
-  '';
-
-  passthru = {
-    inherit bootPkgs targetPrefix;
-
-    inherit llvmPackages;
-    inherit enableShared;
-
-    # Our Cabal compiler name
-    haskellCompilerName = "ghc-8.2.2";
-  };
-
-  meta = {
-    homepage = http://haskell.org/ghc;
-    description = "The Glasgow Haskell Compiler";
-    maintainers = with stdenv.lib.maintainers; [ marcweber andres peti ];
-    inherit (ghc.meta) license platforms;
-  };
-
-} // stdenv.lib.optionalAttrs targetPlatform.useAndroidPrebuilt {
-  dontStrip = true;
-  dontPatchELF = true;
-  noAuditTmpdir = true;
-})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 6755448dcbff..b6ef18246821 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -47,12 +47,6 @@ in {
 
     ghc863Binary = callPackage ../development/compilers/ghc/8.6.3-binary.nix { };
 
-    ghc822 = callPackage ../development/compilers/ghc/8.2.2.nix {
-      bootPkgs = packages.ghc822Binary;
-      inherit (buildPackages.python3Packages) sphinx;
-      buildLlvmPackages = buildPackages.llvmPackages_39;
-      llvmPackages = pkgs.llvmPackages_39;
-    };
     ghc844 = callPackage ../development/compilers/ghc/8.4.4.nix {
       bootPkgs = packages.ghc822Binary;
       sphinx = buildPackages.python3Packages.sphinx_1_7_9;
@@ -120,11 +114,6 @@ in {
       compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-8.6.x.nix { };
       packageSetConfig = bootstrapPackageSet;
     };
-    ghc822 = callPackage ../development/haskell-modules {
-      buildHaskellPackages = bh.packages.ghc822;
-      ghc = bh.compiler.ghc822;
-      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-8.2.x.nix { };
-    };
     ghc844 = callPackage ../development/haskell-modules {
       buildHaskellPackages = bh.packages.ghc844;
       ghc = bh.compiler.ghc844;

From 8dcaebfe3b09c2829c5c1bf4f997b6ec7fb8bcd5 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Wed, 18 Sep 2019 18:30:31 +0200
Subject: [PATCH 3/3] ghc: drop unused abi-depends-determinism.nix patch

---
 .../compilers/ghc/abi-depends-determinism.nix        | 12 ------------
 1 file changed, 12 deletions(-)
 delete mode 100644 pkgs/development/compilers/ghc/abi-depends-determinism.nix

diff --git a/pkgs/development/compilers/ghc/abi-depends-determinism.nix b/pkgs/development/compilers/ghc/abi-depends-determinism.nix
deleted file mode 100644
index bc803b74617f..000000000000
--- a/pkgs/development/compilers/ghc/abi-depends-determinism.nix
+++ /dev/null
@@ -1,12 +0,0 @@
-# https://phabricator.haskell.org/D4159 to fix non-determinism in
-# cached abi-depends fields in package databases, modified to only
-# contain hunks that exist in distribution tarballs.
-{ fetchpatch, runCommand }: let
-  base = fetchpatch rec { # Non-determinism in cached abi-depends fields
-    # Originally https://phabricator-files.haskell.org/file/data/4pqrbo5b62sifktfbrls/PHID-FILE-4g4zjiqlfxmmlaos7lz7/D4159.diff
-    url = "http://tarballs.nixos.org/sha256/${sha256}";
-    name = "D4159.diff";
-    sha256 = "0b8a08sisf1swmarm6nh9rgw7cpzi2rwdzvrd6ny49c7wk0f7x4b";
-  };
-in runCommand base.name {}
-  "sed -n '/utils\\/ghc-pkg/,$p' ${base} >$out"