Merge master into staging-next

2020-08-26 08:42:36 +02:00 · 2020-08-26 08:42:36 +02:00 · b61ad0afc2
commit b61ad0afc2
parent 62f046e902 f6286dea88
86 changed files with 2222 additions and 293 deletions
--- a/.github/workflows/pending-clear.yml
+++ b/.github/workflows/pending-clear.yml
@ -13,10 +13,15 @@ jobs:
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        GSU_VERSION: "0.5.0"
+        GSU_HASH: "49df54dc0ed5eaa037400b66be8114bd62fa0af51ed36565f6203dc312711cc6"
        GSU_URL: "https://github.com/cloudposse/github-status-updater/releases/download"
      run: |
        curl -sSf -O -L -C - \
        "$GSU_URL/$GSU_VERSION/github-status-updater_linux_amd64" && \
+        if [ "$(shasum -a 256 github-status-updater_linux_amd64 | cut -c1-64)" != "$GSU_HASH" ]; then
+          echo "checksum mismatch"
+          exit 1
+        fi
        chmod +x github-status-updater_linux_amd64 && \
        ./github-status-updater_linux_amd64 \
          -action update_state \
--- a/.github/workflows/pending-set.yml
+++ b/.github/workflows/pending-set.yml
@ -12,10 +12,15 @@ jobs:
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        GSU_VERSION: "0.5.0"
+        GSU_HASH: "49df54dc0ed5eaa037400b66be8114bd62fa0af51ed36565f6203dc312711cc6"
        GSU_URL: "https://github.com/cloudposse/github-status-updater/releases/download"
      run: |
        curl -sSf -O -L -C - \
        "$GSU_URL/$GSU_VERSION/github-status-updater_linux_amd64" && \
+        if [ "$(shasum -a 256 github-status-updater_linux_amd64 | cut -c1-64)" != "$GSU_HASH" ]; then
+          echo "checksum mismatch"
+          exit 1
+        fi
        chmod +x github-status-updater_linux_amd64 && \
        ./github-status-updater_linux_amd64 \
          -action update_state \
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@ -6749,6 +6749,12 @@
    githubId = 37715;
    name = "Brian McKenna";
  };
+  purcell = {
+    email = "steve@sanityinc.com";
+    github = "purcell";
+    githubId =	5636;
+    name = "Steve Purcell";
+  };
  puzzlewolf = {
    email = "nixos@nora.pink";
    github = "puzzlewolf";
--- a/nixos/modules/misc/locate.nix
+++ b/nixos/modules/misc/locate.nix
@ -127,7 +127,7 @@ in {
      { LOCATE_PATH = cfg.output;
      };

-    warnings = optional (isMLocate && cfg.localuser != null) "mlocate does not support searching as user other than root"
+    warnings = optional (isMLocate && cfg.localuser != null) "mlocate does not support the services.locate.localuser option; updatedb will run as root. (Silence with services.locate.localuser = null.)"
            ++ optional (isFindutils && cfg.pruneNames != []) "findutils locate does not support pruning by directory component"
            ++ optional (isFindutils && cfg.pruneBindMounts) "findutils locate does not support skipping bind mounts";

--- a/nixos/modules/services/misc/sssd.nix
+++ b/nixos/modules/services/misc/sssd.nix
@ -69,7 +69,7 @@ in {
        mode = "0400";
      };

-      system.nssModules = pkgs.sssd;
+      system.nssModules = [ pkgs.sssd ];
      system.nssDatabases = {
        group = [ "sss" ];
        passwd = [ "sss" ];
@ -92,4 +92,6 @@ in {
    services.openssh.authorizedKeysCommand = "/etc/ssh/authorized_keys_command";
    services.openssh.authorizedKeysCommandUser = "nobody";
  })];
+
+  meta.maintainers = with maintainers; [ bbigras ];
 }
--- a/nixos/modules/services/networking/wpa_supplicant.nix
+++ b/nixos/modules/services/networking/wpa_supplicant.nix
@ -233,6 +233,9 @@ in {
      path = [ pkgs.wpa_supplicant ];

      script = ''
+        if [ -f /etc/wpa_supplicant.conf -a "/etc/wpa_supplicant.conf" != "${configFile}" ]
+        then echo >&2 "<3>/etc/wpa_supplicant.conf present but ignored. Generated ${configFile} is used instead."
+        fi
        iface_args="-s -u -D${cfg.driver} -c ${configFile}"
        ${if ifaces == [] then ''
          for i in $(cd /sys/class/net && echo *); do
--- a/nixos/modules/services/web-apps/sogo.nix
+++ b/nixos/modules/services/web-apps/sogo.nix
@ -77,7 +77,6 @@ in {
        // Paths
        WOSendMail = "/run/wrappers/bin/sendmail";
        SOGoMailSpoolPath = "/var/lib/sogo/spool";
-        SOGoZipPath = "${pkgs.zip}/bin/zip";
        // Enable CSRF protection
        SOGoXSRFValidationEnabled = YES;
        // Remove dates from log (jornald does that)
--- a/nixos/modules/system/boot/stage-1.nix
+++ b/nixos/modules/system/boot/stage-1.nix
@ -87,7 +87,9 @@ let
  # copy what we need.  Instead of using statically linked binaries,
  # we just copy what we need from Glibc and use patchelf to make it
  # work.
-  extraUtils = pkgs.runCommandCC "extra-utils"
+  extraUtils = let
+    # Use lvm2 without udev support, which is the same lvm2 we already have in the closure anyways
+    lvm2 = pkgs.lvm2.override { udev = null; }; in pkgs.runCommandCC "extra-utils"
    { nativeBuildInputs = [pkgs.buildPackages.nukeReferences];
      allowedReferences = [ "out" ]; # prevent accidents like glibc being included in the initrd
    }
@ -111,8 +113,8 @@ let
      copy_bin_and_libs ${pkgs.utillinux}/sbin/blkid

      # Copy dmsetup and lvm.
-      copy_bin_and_libs ${getBin pkgs.lvm2}/bin/dmsetup
-      copy_bin_and_libs ${getBin pkgs.lvm2}/bin/lvm
+      copy_bin_and_libs ${getBin lvm2}/bin/dmsetup
+      copy_bin_and_libs ${getBin lvm2}/bin/lvm

      # Add RAID mdadm tool.
      copy_bin_and_libs ${pkgs.mdadm}/sbin/mdadm
--- a/nixos/tests/all-tests.nix
+++ b/nixos/tests/all-tests.nix
@ -321,6 +321,7 @@ in
  spike = handleTest ./spike.nix {};
  sonarr = handleTest ./sonarr.nix {};
  sslh = handleTest ./sslh.nix {};
+  sssd = handleTestOn ["x86_64-linux"] ./sssd.nix {};
  strongswan-swanctl = handleTest ./strongswan-swanctl.nix {};
  sudo = handleTest ./sudo.nix {};
  switchTest = handleTest ./switch-test.nix {};
--- a/nixos/tests/sssd.nix
+++ b/nixos/tests/sssd.nix
@ -0,0 +1,17 @@
+import ./make-test-python.nix ({ pkgs, ... }:
+
+{
+  name = "sssd";
+  meta = with pkgs.stdenv.lib.maintainers; {
+    maintainers = [ bbigras ];
+  };
+  machine = { pkgs, ... }: {
+    services.sssd.enable = true;
+  };
+
+  testScript = ''
+      start_all()
+      machine.wait_for_unit("multi-user.target")
+      machine.wait_for_unit("sssd.service")
+    '';
+})
--- a/nixos/tests/systemd-networkd-ipv6-prefix-delegation.nix
+++ b/nixos/tests/systemd-networkd-ipv6-prefix-delegation.nix
@ -31,7 +31,7 @@ import ./make-test-python.nix ({pkgs, ...}: {
        firewall.enable = false;
        interfaces.eth1.ipv4.addresses = lib.mkForce []; # no need for legacy IP
        interfaces.eth1.ipv6.addresses = lib.mkForce [
-          { address = "2001:DB8::"; prefixLength = 64; }
+          { address = "2001:DB8::1"; prefixLength = 64; }
        ];
      };

@ -260,7 +260,7 @@ import ./make-test-python.nix ({pkgs, ...}: {
    client.wait_until_succeeds("ping -6 -c 1 FD42::1")

    # the global IP of the ISP router should still not be a reachable
-    router.fail("ping -6 -c 1 2001:DB8::")
+    router.fail("ping -6 -c 1 2001:DB8::1")

    # Once we have internal connectivity boot up the ISP
    isp.start()
@ -273,11 +273,11 @@ import ./make-test-python.nix ({pkgs, ...}: {

    # wait until the uplink interface has a good status
    router.wait_for_unit("network-online.target")
-    router.wait_until_succeeds("ping -6 -c1 2001:DB8::")
+    router.wait_until_succeeds("ping -6 -c1 2001:DB8::1")

    # shortly after that the client should have received it's global IPv6
    # address and thus be able to ping the ISP
-    client.wait_until_succeeds("ping -6 -c1 2001:DB8::")
+    client.wait_until_succeeds("ping -6 -c1 2001:DB8::1")

    # verify that we got a globally scoped address in eth1 from the
    # documentation prefix
--- a/pkgs/applications/audio/helm/default.nix
+++ b/pkgs/applications/audio/helm/default.nix
@ -1,5 +1,16 @@
-{ stdenv, fetchFromGitHub , xorg, freetype, alsaLib, curl, libjack2
-, lv2, pkgconfig, libGLU, libGL }:
+{ stdenv
+, fetchFromGitHub
+, fetchpatch
+, xorg
+, freetype
+, alsaLib
+, curl
+, libjack2
+, lv2
+, pkgconfig
+, libGLU
+, libGL
+}:

  stdenv.mkDerivation {
  version = "0.9.0";
@ -20,7 +31,15 @@

  CXXFLAGS = "-DHAVE_LROUND";

-  patchPhase = ''
+  patches = [
+    # gcc9 compatibility https://github.com/mtytel/helm/pull/233
+    (fetchpatch {
+      url = "https://github.com/mtytel/helm/commit/cb611a80bd5a36d31bfc31212ebbf79aa86c6f08.patch";
+      sha256 = "1i2289srcfz17c3zzab6f51aznzdj62kk53l4afr32bkjh9s4ixk";
+    })
+  ];
+
+  prePatch = ''
    sed -i 's|usr/||g' Makefile
  '';

--- a/pkgs/applications/editors/viw/default.nix
+++ b/pkgs/applications/editors/viw/default.nix
@ -0,0 +1,30 @@
+{ stdenv, fetchFromGitHub, ncurses }:
+
+stdenv.mkDerivation rec {
+  pname = "viw";
+  version = "unstable-20171029";
+
+  src = fetchFromGitHub {
+    owner = "lpan";
+    repo = pname;
+    rev = "2cf317f6d82a6fa58f284074400297b6dc0f44c2";
+    sha256 = "0bnkh57v01zay6ggk0rbddaf75i48h8z06xsv33wfbjldclaljp1";
+  };
+
+  buildInputs = [ ncurses ];
+
+  makeFlags = [ "CC=cc" ];
+  checkFlags = [ "test-command" "test-buffer" "test-state" ];
+
+  installPhase = ''
+    install -Dm 755 -t $out/bin viw
+    install -Dm 644 -t $out/share/doc/${pname} README.md
+  '';
+
+  meta = with stdenv.lib; {
+    description = "VI Worsened, a fun and light clone of VI";
+    homepage = "https://github.com/lpan/viw";
+    license = licenses.gpl3Only;
+    maintainers = with maintainers; [ AndersonTorres ];
+  };
+}
--- a/pkgs/applications/graphics/opentoonz/default.nix
+++ b/pkgs/applications/graphics/opentoonz/default.nix
@ -0,0 +1,51 @@
+{ boost, cmake, fetchFromGitHub, freeglut, freetype, glew, libjpeg, libmypaint
+, libpng, libtiff, libusb1, lz4, lzma, lzo, openblas, pkgconfig, qtbase
+, qtmultimedia, qtscript, stdenv, superlu, wrapQtAppsHook, }:
+let source = import ./source.nix { inherit fetchFromGitHub; };
+in stdenv.mkDerivation rec {
+  inherit (source) src;
+
+  pname = "opentoonz";
+  version = source.versions.opentoonz;
+
+  nativeBuildInputs = [ cmake pkgconfig wrapQtAppsHook ];
+
+  buildInputs = [
+    boost
+    freeglut
+    freetype
+    glew
+    libjpeg
+    libmypaint
+    libpng
+    libtiff
+    libusb1
+    lz4
+    lzma
+    lzo
+    openblas
+    qtbase
+    qtmultimedia
+    qtscript
+    superlu
+  ];
+
+  postUnpack = "sourceRoot=$sourceRoot/toonz";
+
+  cmakeDir = "../sources";
+  cmakeFlags = [
+    "-DTIFF_INCLUDE_DIR=${libtiff.dev}/include"
+    "-DTIFF_LIBRARY=${libtiff.out}/lib/libtiff.so"
+  ];
+
+  postInstall = ''
+    sed -i '/cp -r .*stuff/a\    chmod -R u+w $HOME/.config/OpenToonz/stuff' $out/bin/opentoonz
+  '';
+
+  meta = {
+    description = "Full-featured 2D animation creation software";
+    homepage = "https://opentoonz.github.io/";
+    license = stdenv.lib.licenses.bsd3;
+    maintainers = with stdenv.lib.maintainers; [ chkno ];
+  };
+}
--- a/pkgs/applications/graphics/opentoonz/libtiff.nix
+++ b/pkgs/applications/graphics/opentoonz/libtiff.nix
@ -0,0 +1,21 @@
+# Per https://github.com/opentoonz/opentoonz/blob/master/doc/how_to_build_linux.md ,
+# opentoonz requires its own modified version of libtiff.  We still build it as
+# a separate package
+#  1. For visibility for tools like vulnix, and
+#  2. To avoid a diamond-dependency problem with qt linking the normal libtiff
+#     and opentoonz linking qt and this modified libtiff, we build a qt against
+#     this modified libtiff as well.
+
+{ fetchFromGitHub, libtiff }:
+let source = import ./source.nix { inherit fetchFromGitHub; };
+in libtiff.overrideAttrs (old: {
+  inherit (source) src;
+  version = source.versions.libtiff + "-opentoonz";
+  postUnpack = (old.postUnpack or "") + ''
+    sourceRoot="$sourceRoot/thirdparty/tiff-${source.versions.libtiff}"
+  '';
+  # opentoonz uses internal libtiff headers
+  postInstall = (old.postInstall or "") + ''
+    cp libtiff/{tif_config,tif_dir,tiffiop}.h $dev/include
+  '';
+})
--- a/pkgs/applications/graphics/opentoonz/source.nix
+++ b/pkgs/applications/graphics/opentoonz/source.nix
@ -0,0 +1,16 @@
+# opentoonz's source archive contains both opentoonz's source and a modified
+# version of libtiff that opentoonz requires.
+
+{ fetchFromGitHub, }: rec {
+  versions = {
+    opentoonz = "1.4.0";
+    libtiff = "4.0.3";
+  };
+
+  src = fetchFromGitHub {
+    owner = "opentoonz";
+    repo = "opentoonz";
+    rev = "v${versions.opentoonz}";
+    sha256 = "0vgclx2yydsm5i2smff3fj8m750nhf35wfhva37kywgws01s189b";
+  };
+}
--- a/pkgs/applications/misc/lutris/fhsenv.nix
+++ b/pkgs/applications/misc/lutris/fhsenv.nix
@ -97,7 +97,7 @@ in buildFHSUserEnv {
    libcap libtiff libva libgphoto2 libxslt libsndfile giflib zlib glib
    alsaLib zziplib bash dbus keyutils zip cabextract freetype unzip coreutils
    readline gcc SDL SDL2 curl graphite2 gtk2 gtk3 udev ncurses wayland libglvnd
-    vulkan-loader xdg_utils sqlite gnutls p11-kit libbsd
+    vulkan-loader xdg_utils sqlite gnutls p11-kit libbsd harfbuzz

    # PCSX2 // TODO: "libgobject-2.0.so.0: wrong ELF class: ELFCLASS64"

--- a/pkgs/applications/misc/navi/default.nix
+++ b/pkgs/applications/misc/navi/default.nix
@ -2,16 +2,16 @@

 rustPlatform.buildRustPackage rec {
  pname = "navi";
-  version = "2.7.1";
+  version = "2.8.0";

  src = fetchFromGitHub {
    owner = "denisidoro";
    repo = "navi";
    rev = "v${version}";
-    sha256 = "12p9l41k7isaapr0xbsm7brkjrv7i8826y029i12psz92nsynk29";
+    sha256 = "0w63yx4c60r05nfswv61jw3l3zbl5n1s396a6f4ayn52fb6rxwg1";
  };

-  cargoSha256 = "11dc3gc7fyikbbgacmljhysr2sl7lmq6w3bsfcf2cqny39r25yp0";
+  cargoSha256 = "06xpk04nxkm7h4nn235x8a4gi0qhscj8kkl2f9gqphlfmm56kjfn";

  nativeBuildInputs = [ makeWrapper ];

--- a/pkgs/applications/networking/instant-messengers/nheko/default.nix
+++ b/pkgs/applications/networking/instant-messengers/nheko/default.nix
@ -54,11 +54,6 @@ mkDerivation rec {
    qtquickcontrols2
    qtgraphicaleffects
  ] ++ lib.optional stdenv.isDarwin qtmacextras;
-  # Quick and dirty fix to https://github.com/NixOS/nixpkgs/issues/94952
-  # and/or: https://github.com/NixOS/nixpkgs/issues/94905
-  cmakeFlags = [
-    "-DCMAKE_OSX_ARCHITECTURES="
-  ];

  meta = with stdenv.lib; {
    description = "Desktop client for the Matrix protocol";
--- a/pkgs/applications/networking/instant-messengers/signal-desktop/default.nix
+++ b/pkgs/applications/networking/instant-messengers/signal-desktop/default.nix
@ -2,7 +2,9 @@
 , gnome2, gtk3, atk, at-spi2-atk, cairo, pango, gdk-pixbuf, glib, freetype, fontconfig
 , dbus, libX11, xorg, libXi, libXcursor, libXdamage, libXrandr, libXcomposite
 , libXext, libXfixes, libXrender, libXtst, libXScrnSaver, nss, nspr, alsaLib
-, cups, expat, systemd, libnotify, libuuid, at-spi2-core, libappindicator-gtk3
+, cups, expat, libuuid, at-spi2-core, libappindicator-gtk3
+# Runtime dependencies:
+, systemd, libnotify, libdbusmenu
 # Unfortunately this also overwrites the UI language (not just the spell
 # checking language!):
 , hunspellDicts, spellcheckerLanguage ? null # E.g. "de_DE"
@ -81,6 +83,7 @@ in stdenv.mkDerivation rec {
  runtimeDependencies = [
    systemd.lib
    libnotify
+    libdbusmenu
  ];

  unpackPhase = "dpkg-deb -x $src .";
--- a/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix
+++ b/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix
@ -1,4 +1,4 @@
-{ mkDerivation, lib, fetchurl, fetchsvn, stdenv
+{ mkDerivation, lib, fetchurl, fetchsvn
 , pkgconfig, cmake, ninja, python3, wrapGAppsHook, wrapQtAppsHook
 , qtbase, qtimageformats, gtk3, libsForQt5, enchant2, lz4, xxHash
 , dee, ffmpeg, openalSoft, minizip, libopus, alsaLib, libpulseaudio, range-v3
@ -63,8 +63,6 @@ mkDerivation rec {
    "-DDESKTOP_APP_DISABLE_WEBRTC_INTEGRATION=ON"
    #"-DDESKTOP_APP_SPECIAL_TARGET=\"\"" # TODO: Error when set to "": Bad special target '""'
    "-DTDESKTOP_LAUNCHER_BASENAME=telegramdesktop" # Note: This is the default
-  ] ++ optionals stdenv.isLinux [ # TODO: Remove workaround once #94905 is resolved:
-    "-DCMAKE_OSX_ARCHITECTURES="
  ];

  # Note: The following packages could be packaged system-wide, but it's
--- a/pkgs/applications/version-management/fossil/default.nix
+++ b/pkgs/applications/version-management/fossil/default.nix
@ -5,7 +5,7 @@

 stdenv.mkDerivation rec {
  pname = "fossil";
-  version = "2.11.1";
+  version = "2.12.1";

  src = fetchurl {
    urls =
@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
        "https://www.fossil-scm.org/index.html/uv/fossil-src-${version}.tar.gz"
      ];
    name = "${pname}-${version}.tar.gz";
-    sha256 = "1sxq1hn87fdikhbg9y3v4sjy4gxaifnx4dig8nx6xwd5mm7z74dk";
+    sha256 = "00v6gmn2wpfms5jzf103hkm5s8i3bfs5mzacmznlhdzdrzzjc8w2";
  };

  buildInputs = [ zlib openssl readline sqlite which ed ]
--- a/pkgs/applications/virtualization/podman/default.nix
+++ b/pkgs/applications/virtualization/podman/default.nix
@ -16,13 +16,13 @@

 buildGoModule rec {
  pname = "podman";
-  version = "2.0.4";
+  version = "2.0.5";

  src = fetchFromGitHub {
    owner = "containers";
    repo = "podman";
    rev = "v${version}";
-    sha256 = "0rnli16nh5m3a8jjkkm1k4f896yk1k1rg48rjiajqhfrr98qwr0f";
+    sha256 = "0db0q52va9w8aprzx08xnv6y84l4x4lc113sd97hjgjnhknp8d3m";
  };

  vendorSha256 = null;
--- a/pkgs/data/fonts/iosevka/bin.nix
+++ b/pkgs/data/fonts/iosevka/bin.nix
@ -1,7 +1,7 @@
 { stdenv, fetchzip }:

 let
-  version = "3.4.1";
+  version = "3.4.6";
 in fetchzip {
  name = "iosevka-bin-${version}";

@ -12,7 +12,7 @@ in fetchzip {
    unzip -j $downloadedFile \*.ttc -d $out/share/fonts/truetype
  '';

-  sha256 = "0qqzgfplib6jdn1fra7fwx25jkzlw21brj45q8gn3gxvndvqabvd";
+  sha256 = "1nab49gkpxahwvvw39xcc32q425qkccr7ffmz87jbcdv71qy7pp9";

  meta = with stdenv.lib; {
    homepage = "https://be5invis.github.io/Iosevka/";
--- a/pkgs/data/fonts/recursive/default.nix
+++ b/pkgs/data/fonts/recursive/default.nix
@ -1,7 +1,7 @@
 { lib, fetchzip }:

 let
-  version = "1.057";
+  version = "1.059";
 in
 fetchzip {
  name = "recursive-${version}";
@ -15,7 +15,7 @@ fetchzip {
    unzip -j $downloadedFile \*.woff2 -d $out/share/fonts/woff2
  '';

-  sha256 = "0qsqldnhgl93h1izminjajjymvyxsw91ngdbxlhgbqvadg77325y";
+  sha256 = "0dlv8nrcqdn5vn3s918in5ph6kx6rg607kgp66p6ibpbg2s8ljy7";

  meta = with lib; {
    homepage = "https://recursive.design/";
--- a/pkgs/development/compilers/llvm/11/bintools.nix
+++ b/pkgs/development/compilers/llvm/11/bintools.nix
@ -0,0 +1,29 @@
+{ runCommand, stdenv, llvm, lld, version }:
+
+let
+  prefix =
+    if stdenv.hostPlatform != stdenv.targetPlatform
+    then "${stdenv.targetPlatform.config}-"
+    else "";
+in runCommand "llvm-binutils-${version}" { preferLocalBuild = true; } ''
+   mkdir -p $out/bin
+   for prog in ${lld}/bin/*; do
+     ln -s $prog $out/bin/${prefix}$(basename $prog)
+   done
+   for prog in ${llvm}/bin/*; do
+     ln -sf $prog $out/bin/${prefix}$(basename $prog)
+   done
+
+   ln -s ${llvm}/bin/llvm-ar $out/bin/${prefix}ar
+   ln -s ${llvm}/bin/llvm-as $out/bin/${prefix}as
+   ln -s ${llvm}/bin/llvm-dwp $out/bin/${prefix}dwp
+   ln -s ${llvm}/bin/llvm-nm $out/bin/${prefix}nm
+   ln -s ${llvm}/bin/llvm-objcopy $out/bin/${prefix}objcopy
+   ln -s ${llvm}/bin/llvm-objdump $out/bin/${prefix}objdump
+   ln -s ${llvm}/bin/llvm-ranlib $out/bin/${prefix}ranlib
+   ln -s ${llvm}/bin/llvm-readelf $out/bin/${prefix}readelf
+   ln -s ${llvm}/bin/llvm-size $out/bin/${prefix}size
+   ln -s ${llvm}/bin/llvm-strip $out/bin/${prefix}strip
+
+   ln -s ${lld}/bin/lld $out/bin/${prefix}ld
+''
--- a/pkgs/development/compilers/llvm/11/clang/default.nix
+++ b/pkgs/development/compilers/llvm/11/clang/default.nix
@ -0,0 +1,117 @@
+{ stdenv, fetch, cmake, libxml2, llvm, version, clang-tools-extra_src, python3, lld
+, fixDarwinDylibNames
+, enableManpages ? false
+}:
+
+let
+  self = stdenv.mkDerivation ({
+    pname = "clang";
+    inherit version;
+
+    src = fetch "clang" "18rv5nxk04fgk4ziix7z4s2cargdpqgvqrk3lnp3wvd6yb5g5p98";
+
+    unpackPhase = ''
+      unpackFile $src
+      mv clang-${version}* clang
+      sourceRoot=$PWD/clang
+      unpackFile ${clang-tools-extra_src}
+      mv clang-tools-extra-* $sourceRoot/tools/extra
+    '';
+
+    nativeBuildInputs = [ cmake python3 lld ]
+      ++ stdenv.lib.optional enableManpages python3.pkgs.sphinx;
+
+    buildInputs = [ libxml2 llvm ]
+      ++ stdenv.lib.optional stdenv.isDarwin fixDarwinDylibNames;
+
+    cmakeFlags = [
+      "-DCMAKE_CXX_FLAGS=-std=c++14"
+      "-DCLANGD_BUILD_XPC=OFF"
+    ] ++ stdenv.lib.optionals enableManpages [
+      "-DCLANG_INCLUDE_DOCS=ON"
+      "-DLLVM_ENABLE_SPHINX=ON"
+      "-DSPHINX_OUTPUT_MAN=ON"
+      "-DSPHINX_OUTPUT_HTML=OFF"
+      "-DSPHINX_WARNINGS_AS_ERRORS=OFF"
+    ];
+
+    patches = [
+      ./purity.patch
+      # https://reviews.llvm.org/D51899
+    ];
+
+    postPatch = ''
+      sed -i -e 's/DriverArgs.hasArg(options::OPT_nostdlibinc)/true/' \
+             -e 's/Args.hasArg(options::OPT_nostdlibinc)/true/' \
+             lib/Driver/ToolChains/*.cpp
+
+      # Patch for standalone doc building
+      sed -i '1s,^,find_package(Sphinx REQUIRED)\n,' docs/CMakeLists.txt
+    '' + stdenv.lib.optionalString stdenv.hostPlatform.isMusl ''
+      sed -i -e 's/lgcc_s/lgcc_eh/' lib/Driver/ToolChains/*.cpp
+    '' + stdenv.lib.optionalString stdenv.hostPlatform.isDarwin ''
+      substituteInPlace tools/extra/clangd/CMakeLists.txt \
+        --replace "NOT HAVE_CXX_ATOMICS64_WITHOUT_LIB" FALSE
+    '';
+
+    outputs = [ "out" "lib" "python" ];
+
+    # Clang expects to find LLVMgold in its own prefix
+    postInstall = ''
+      if [ -e ${llvm}/lib/LLVMgold.so ]; then
+        ln -sv ${llvm}/lib/LLVMgold.so $out/lib
+      fi
+
+      ln -sv $out/bin/clang $out/bin/cpp
+
+      # Move libclang to 'lib' output
+      moveToOutput "lib/libclang.*" "$lib"
+      moveToOutput "lib/libclang-cpp.*" "$lib"
+      substituteInPlace $out/lib/cmake/clang/ClangTargets-release.cmake \
+          --replace "\''${_IMPORT_PREFIX}/lib/libclang." "$lib/lib/libclang." \
+          --replace "\''${_IMPORT_PREFIX}/lib/libclang-cpp." "$lib/lib/libclang-cpp."
+
+      mkdir -p $python/bin $python/share/clang/
+      mv $out/bin/{git-clang-format,scan-view} $python/bin
+      if [ -e $out/bin/set-xcode-analyzer ]; then
+        mv $out/bin/set-xcode-analyzer $python/bin
+      fi
+      mv $out/share/clang/*.py $python/share/clang
+      rm $out/bin/c-index-test
+    '';
+
+    enableParallelBuilding = true;
+
+    passthru = {
+      isClang = true;
+      inherit llvm;
+    } // stdenv.lib.optionalAttrs (stdenv.targetPlatform.isLinux || (stdenv.cc.isGNU && stdenv.cc.cc ? gcc)) {
+      gcc = if stdenv.cc.isGNU then stdenv.cc.cc else stdenv.cc.cc.gcc;
+    };
+
+    meta = {
+      description = "A c, c++, objective-c, and objective-c++ frontend for the llvm compiler";
+      homepage    = "https://llvm.org/";
+      license     = stdenv.lib.licenses.ncsa;
+      platforms   = stdenv.lib.platforms.all;
+    };
+  } // stdenv.lib.optionalAttrs enableManpages {
+    pname = "clang-manpages";
+
+    buildPhase = ''
+      make docs-clang-man
+    '';
+
+    installPhase = ''
+      mkdir -p $out/share/man/man1
+      # Manually install clang manpage
+      cp docs/man/*.1 $out/share/man/man1/
+    '';
+
+    outputs = [ "out" ];
+
+    doCheck = false;
+
+    meta.description = "man page for Clang ${version}";
+  });
+in self
--- a/pkgs/development/compilers/llvm/11/clang/purity.patch
+++ b/pkgs/development/compilers/llvm/11/clang/purity.patch
@ -0,0 +1,28 @@
+From 4add81bba40dcec62c4ea4481be8e35ac53e89d8 Mon Sep 17 00:00:00 2001
+From: Will Dietz <w@wdtz.org>
+Date: Thu, 18 May 2017 11:56:12 -0500
+Subject: [PATCH] "purity" patch for 5.0
+
+---
+ lib/Driver/ToolChains/Gnu.cpp | 7 -------
+ 1 file changed, 7 deletions(-)
+
+diff --git a/lib/Driver/ToolChains/Gnu.cpp b/lib/Driver/ToolChains/Gnu.cpp
+index fe3c0191bb..c6a482bece 100644
+--- a/lib/Driver/ToolChains/Gnu.cpp
+++ b/lib/Driver/ToolChains/Gnu.cpp
+@@ -487,12 +487,6 @@ void tools::gnutools::Linker::ConstructJob(Compilation &C, const JobAction &JA,
+   if (!IsStatic) {
+     if (Args.hasArg(options::OPT_rdynamic))
+       CmdArgs.push_back("-export-dynamic");
+-
+-    if (!Args.hasArg(options::OPT_shared) && !IsStaticPIE) {
+-      CmdArgs.push_back("-dynamic-linker");
+-      CmdArgs.push_back(Args.MakeArgString(Twine(D.DyldPrefix) +
+-                                           ToolChain.getDynamicLinker(Args)));
+-    }
+   }
+ 
+   CmdArgs.push_back("-o");
+-- 
+2.11.0
--- a/pkgs/development/compilers/llvm/11/compiler-rt-armv7l.patch
+++ b/pkgs/development/compilers/llvm/11/compiler-rt-armv7l.patch
@ -0,0 +1,32 @@
+diff -ur compiler-rt-10.0.0.src/cmake/builtin-config-ix.cmake compiler-rt-10.0.0.src-patched/cmake/builtin-config-ix.cmake
+--- compiler-rt-10.0.0.src/cmake/builtin-config-ix.cmake	2020-03-24 00:01:02.000000000 +0900
+++ compiler-rt-10.0.0.src-patched/cmake/builtin-config-ix.cmake	2020-05-10 03:42:00.883450706 +0900
+@@ -24,7 +24,7 @@
+ 
+ 
+ set(ARM64 aarch64)
+-set(ARM32 arm armhf armv6m armv7m armv7em armv7 armv7s armv7k)
+set(ARM32 arm armhf armv6m armv7m armv7em armv7 armv7s armv7k armv7l)
+ set(HEXAGON hexagon)
+ set(X86 i386)
+ set(X86_64 x86_64)
+diff -ur compiler-rt-10.0.0.src/lib/builtins/CMakeLists.txt compiler-rt-10.0.0.src-patched/lib/builtins/CMakeLists.txt
+--- compiler-rt-10.0.0.src/lib/builtins/CMakeLists.txt	2020-03-24 00:01:02.000000000 +0900
+++ compiler-rt-10.0.0.src-patched/lib/builtins/CMakeLists.txt	2020-05-10 03:44:49.468579650 +0900
+@@ -474,6 +474,7 @@
+ set(armv7_SOURCES ${arm_SOURCES})
+ set(armv7s_SOURCES ${arm_SOURCES})
+ set(armv7k_SOURCES ${arm_SOURCES})
+set(armv7l_SOURCES ${arm_SOURCES})
+ set(arm64_SOURCES ${aarch64_SOURCES})
+ 
+ # macho_embedded archs
+@@ -595,7 +596,7 @@
+   foreach (arch ${BUILTIN_SUPPORTED_ARCH})
+     if (CAN_TARGET_${arch})
+       # For ARM archs, exclude any VFP builtins if VFP is not supported
+-      if (${arch} MATCHES "^(arm|armhf|armv7|armv7s|armv7k|armv7m|armv7em)$")
+      if (${arch} MATCHES "^(arm|armhf|armv7|armv7s|armv7k|armv7l|armv7m|armv7em)$")
+         string(REPLACE ";" " " _TARGET_${arch}_CFLAGS "${TARGET_${arch}_CFLAGS}")
+         check_compile_definition(__VFP_FP__ "${CMAKE_C_FLAGS} ${_TARGET_${arch}_CFLAGS}" COMPILER_RT_HAS_${arch}_VFP)
+         if(NOT COMPILER_RT_HAS_${arch}_VFP)
--- a/pkgs/development/compilers/llvm/11/compiler-rt-codesign.patch
+++ b/pkgs/development/compilers/llvm/11/compiler-rt-codesign.patch
@ -0,0 +1,33 @@
+From 3dec5f3475a26aeb4678627795c4b67c6b7b4785 Mon Sep 17 00:00:00 2001
+From: Will Dietz <w@wdtz.org>
+Date: Tue, 19 Sep 2017 13:13:06 -0500
+Subject: [PATCH] remove codesign use on Apple, disable ios sim testing that
+ needs it
+
+---
+ cmake/Modules/AddCompilerRT.cmake |  8 ------
+ test/asan/CMakeLists.txt          | 52 ---------------------------------------
+ test/tsan/CMakeLists.txt          | 47 -----------------------------------
+ 3 files changed, 107 deletions(-)
+
+diff --git a/cmake/Modules/AddCompilerRT.cmake b/cmake/Modules/AddCompilerRT.cmake
+index bc5fb9ff7..b64eb4246 100644
+--- a/cmake/Modules/AddCompilerRT.cmake
+++ b/cmake/Modules/AddCompilerRT.cmake
+@@ -210,14 +210,6 @@ function(add_compiler_rt_runtime name type)
+         set_target_properties(${libname} PROPERTIES IMPORT_PREFIX "")
+         set_target_properties(${libname} PROPERTIES IMPORT_SUFFIX ".lib")
+       endif()
+-      if(APPLE)
+-        # Ad-hoc sign the dylibs
+-        add_custom_command(TARGET ${libname}
+-          POST_BUILD  
+-          COMMAND codesign --sign - $<TARGET_FILE:${libname}>
+-          WORKING_DIRECTORY ${COMPILER_RT_LIBRARY_OUTPUT_DIR}
+-        )
+-      endif()
+     endif()
+     install(TARGETS ${libname}
+       ARCHIVE DESTINATION ${COMPILER_RT_LIBRARY_INSTALL_DIR}
+2.14.1
+
--- a/pkgs/development/compilers/llvm/11/compiler-rt.nix
+++ b/pkgs/development/compilers/llvm/11/compiler-rt.nix
@ -0,0 +1,85 @@
+{ stdenv, version, fetch, cmake, python3, llvm, libcxxabi }:
+
+let
+
+  useLLVM = stdenv.hostPlatform.useLLVM or false;
+  bareMetal = stdenv.hostPlatform.parsed.kernel.name == "none";
+  inherit (stdenv.hostPlatform) isMusl;
+
+in
+
+stdenv.mkDerivation rec {
+  pname = "compiler-rt";
+  inherit version;
+  src = fetch pname "0qfgap6acxffm01hzk38pmzq8ac3isk90531dz0qf7fd5015jvvg";
+
+  nativeBuildInputs = [ cmake python3 llvm ];
+  buildInputs = stdenv.lib.optional stdenv.hostPlatform.isDarwin libcxxabi;
+
+  NIX_CFLAGS_COMPILE = [
+    "-DSCUDO_DEFAULT_OPTIONS=DeleteSizeMismatch=0:DeallocationTypeMismatch=0"
+  ];
+
+  cmakeFlags = [
+    "-DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON"
+    "-DCMAKE_C_COMPILER_TARGET=${stdenv.hostPlatform.config}"
+    "-DCMAKE_ASM_COMPILER_TARGET=${stdenv.hostPlatform.config}"
+  ] ++ stdenv.lib.optionals (useLLVM || bareMetal || isMusl) [
+    "-DCOMPILER_RT_BUILD_SANITIZERS=OFF"
+    "-DCOMPILER_RT_BUILD_XRAY=OFF"
+    "-DCOMPILER_RT_BUILD_LIBFUZZER=OFF"
+    "-DCOMPILER_RT_BUILD_PROFILE=OFF"
+  ] ++ stdenv.lib.optionals (useLLVM || bareMetal) [
+    "-DCMAKE_C_COMPILER_WORKS=ON"
+    "-DCMAKE_CXX_COMPILER_WORKS=ON"
+    "-DCOMPILER_RT_BAREMETAL_BUILD=ON"
+    "-DCMAKE_SIZEOF_VOID_P=${toString (stdenv.hostPlatform.parsed.cpu.bits / 8)}"
+  ] ++ stdenv.lib.optionals (useLLVM) [
+    "-DCOMPILER_RT_BUILD_BUILTINS=ON"
+    "-DCMAKE_C_FLAGS=-nodefaultlibs"
+    #https://stackoverflow.com/questions/53633705/cmake-the-c-compiler-is-not-able-to-compile-a-simple-test-program
+    "-DCMAKE_TRY_COMPILE_TARGET_TYPE=STATIC_LIBRARY"
+  ] ++ stdenv.lib.optionals (bareMetal) [
+    "-DCOMPILER_RT_OS_DIR=baremetal"
+  ];
+
+  outputs = [ "out" "dev" ];
+
+  patches = [
+    ./compiler-rt-codesign.patch # Revert compiler-rt commit that makes codesign mandatory
+  ]# ++ stdenv.lib.optional stdenv.hostPlatform.isMusl ./sanitizers-nongnu.patch
+    ++ stdenv.lib.optional stdenv.hostPlatform.isAarch32 ./compiler-rt-armv7l.patch;
+
+
+  # TSAN requires XPC on Darwin, which we have no public/free source files for. We can depend on the Apple frameworks
+  # to get it, but they're unfree. Since LLVM is rather central to the stdenv, we patch out TSAN support so that Hydra
+  # can build this. If we didn't do it, basically the entire nixpkgs on Darwin would have an unfree dependency and we'd
+  # get no binary cache for the entire platform. If you really find yourself wanting the TSAN, make this controllable by
+  # a flag and turn the flag off during the stdenv build.
+  postPatch = stdenv.lib.optionalString (!stdenv.isDarwin) ''
+    substituteInPlace cmake/builtin-config-ix.cmake \
+      --replace 'set(X86 i386)' 'set(X86 i386 i486 i586 i686)'
+  '' + stdenv.lib.optionalString stdenv.isDarwin ''
+    substituteInPlace cmake/config-ix.cmake \
+      --replace 'set(COMPILER_RT_HAS_TSAN TRUE)' 'set(COMPILER_RT_HAS_TSAN FALSE)'
+  '' + stdenv.lib.optionalString (useLLVM) ''
+    substituteInPlace lib/builtins/int_util.c \
+      --replace "#include <stdlib.h>" ""
+    substituteInPlace lib/builtins/clear_cache.c \
+      --replace "#include <assert.h>" ""
+    substituteInPlace lib/builtins/cpu_model.c \
+      --replace "#include <assert.h>" ""
+  '';
+
+  # Hack around weird upsream RPATH bug
+  postInstall = stdenv.lib.optionalString (stdenv.hostPlatform.isDarwin || stdenv.hostPlatform.isWasm) ''
+    ln -s "$out/lib"/*/* "$out/lib"
+  '' + stdenv.lib.optionalString (useLLVM) ''
+    ln -s $out/lib/*/clang_rt.crtbegin-*.o $out/lib/crtbegin.o
+    ln -s $out/lib/*/clang_rt.crtend-*.o $out/lib/crtend.o
+    ln -s $out/lib/*/clang_rt.crtbegin_shared-*.o $out/lib/crtbeginS.o
+    ln -s $out/lib/*/clang_rt.crtend_shared-*.o $out/lib/crtendS.o
+  '';
+
+  enableParallelBuilding = true;
+}
--- a/pkgs/development/compilers/llvm/11/default.nix
+++ b/pkgs/development/compilers/llvm/11/default.nix
@ -0,0 +1,195 @@
+{ lowPrio, newScope, pkgs, stdenv, cmake
+, libxml2, python3, isl, fetchurl, overrideCC, wrapCCWith, wrapBintoolsWith
+, buildLlvmTools # tools, but from the previous stage, for cross
+, targetLlvmLibraries # libraries, but from the next stage, for cross
+}:
+
+let
+  release_version = "11.0.0";
+  candidate = "rc2";
+  version = "${release_version}${candidate}"; # differentiating these (variables) is important for RCs
+  targetConfig = stdenv.targetPlatform.config;
+
+  fetch = name: sha256: fetchurl {
+    url = "https://github.com/llvm/llvm-project/releases/download/llvmorg-${release_version}-${candidate}/${name}-${version}.src.tar.xz";
+    inherit sha256;
+  };
+
+  clang-tools-extra_src = fetch "clang-tools-extra" "0bg2a9nmkdbj5qfd0vvqj8bgchcx1yzmylxxgvh8y5hhj4fz13fs";
+
+  tools = stdenv.lib.makeExtensible (tools: let
+    callPackage = newScope (tools // { inherit stdenv cmake libxml2 python3 isl release_version version fetch; });
+    mkExtraBuildCommands = cc: ''
+      rsrc="$out/resource-root"
+      mkdir "$rsrc"
+      ln -s "${cc}/lib/clang/${release_version}/include" "$rsrc"
+      ln -s "${targetLlvmLibraries.compiler-rt.out}/lib" "$rsrc/lib"
+      echo "-resource-dir=$rsrc" >> $out/nix-support/cc-cflags
+    '' + stdenv.lib.optionalString (stdenv.targetPlatform.isLinux && tools.clang-unwrapped ? gcc && !(stdenv.targetPlatform.useLLVM or false)) ''
+      echo "--gcc-toolchain=${tools.clang-unwrapped.gcc}" >> $out/nix-support/cc-cflags
+    '';
+  in {
+
+    llvm = callPackage ./llvm.nix { };
+
+    clang-unwrapped = callPackage ./clang {
+      inherit (tools) lld;
+      inherit clang-tools-extra_src;
+    };
+
+    # disabled until recommonmark supports sphinx 3
+    #Llvm-manpages = lowPrio (tools.llvm.override {
+    #  enableManpages = true;
+    #  python3 = pkgs.python3;  # don't use python-boot
+    #});
+
+    clang-manpages = lowPrio (tools.clang-unwrapped.override {
+      enableManpages = true;
+      python3 = pkgs.python3;  # don't use python-boot
+    });
+
+    # disabled until recommonmark supports sphinx 3
+    # lldb-manpages = lowPrio (tools.lldb.override {
+    #   enableManpages = true;
+    #   python3 = pkgs.python3;  # don't use python-boot
+    # });
+
+    libclang = tools.clang-unwrapped.lib;
+
+    clang = if stdenv.cc.isGNU then tools.libstdcxxClang else tools.libcxxClang;
+
+    libstdcxxClang = wrapCCWith rec {
+      cc = tools.clang-unwrapped;
+      libcxx = null; # libstdcxx is smuggled in with clang.gcc
+      extraPackages = [
+        targetLlvmLibraries.compiler-rt
+      ];
+      extraBuildCommands = mkExtraBuildCommands cc;
+    };
+
+    libcxxClang = wrapCCWith rec {
+      cc = tools.clang-unwrapped;
+      libcxx = targetLlvmLibraries.libcxx;
+      extraPackages = [
+        targetLlvmLibraries.libcxxabi
+        targetLlvmLibraries.compiler-rt
+      ];
+      extraBuildCommands = mkExtraBuildCommands cc;
+    };
+
+    lld = callPackage ./lld.nix {};
+
+    lldb = callPackage ./lldb.nix {};
+
+    # Below, is the LLVM bootstrapping logic. It handles building a
+    # fully LLVM toolchain from scratch. No GCC toolchain should be
+    # pulled in. As a consequence, it is very quick to build different
+    # targets provided by LLVM and we can also build for what GCC
+    # doesn’t support like LLVM. Probably we should move to some other
+    # file.
+
+    bintools = callPackage ./bintools.nix {};
+
+    lldClang = wrapCCWith rec {
+      cc = tools.clang-unwrapped;
+      libcxx = targetLlvmLibraries.libcxx;
+      bintools = wrapBintoolsWith {
+        inherit (tools) bintools;
+      };
+      extraPackages = [
+        targetLlvmLibraries.libcxxabi
+        targetLlvmLibraries.compiler-rt
+      ] ++ stdenv.lib.optionals (!stdenv.targetPlatform.isWasm) [
+        targetLlvmLibraries.libunwind
+      ];
+      extraBuildCommands = ''
+        echo "-rtlib=compiler-rt -Wno-unused-command-line-argument" >> $out/nix-support/cc-cflags
+        echo "-B${targetLlvmLibraries.compiler-rt}/lib" >> $out/nix-support/cc-cflags
+      '' + stdenv.lib.optionalString (!stdenv.targetPlatform.isWasm) ''
+        echo "--unwindlib=libunwind" >> $out/nix-support/cc-cflags
+      '' + stdenv.lib.optionalString stdenv.targetPlatform.isWasm ''
+        echo "-fno-exceptions" >> $out/nix-support/cc-cflags
+      '' + mkExtraBuildCommands cc;
+    };
+
+    lldClangNoLibcxx = wrapCCWith rec {
+      cc = tools.clang-unwrapped;
+      libcxx = null;
+      bintools = wrapBintoolsWith {
+        inherit (tools) bintools;
+      };
+      extraPackages = [
+        targetLlvmLibraries.compiler-rt
+      ];
+      extraBuildCommands = ''
+        echo "-rtlib=compiler-rt" >> $out/nix-support/cc-cflags
+        echo "-B${targetLlvmLibraries.compiler-rt}/lib" >> $out/nix-support/cc-cflags
+        echo "-nostdlib++" >> $out/nix-support/cc-cflags
+      '' + mkExtraBuildCommands cc;
+    };
+
+    lldClangNoLibc = wrapCCWith rec {
+      cc = tools.clang-unwrapped;
+      libcxx = null;
+      bintools = wrapBintoolsWith {
+        inherit (tools) bintools;
+        libc = null;
+      };
+      extraPackages = [
+        targetLlvmLibraries.compiler-rt
+      ];
+      extraBuildCommands = ''
+        echo "-rtlib=compiler-rt" >> $out/nix-support/cc-cflags
+        echo "-B${targetLlvmLibraries.compiler-rt}/lib" >> $out/nix-support/cc-cflags
+      '' + mkExtraBuildCommands cc;
+    };
+
+    lldClangNoCompilerRt = wrapCCWith {
+      cc = tools.clang-unwrapped;
+      libcxx = null;
+      bintools = wrapBintoolsWith {
+        inherit (tools) bintools;
+        libc = null;
+      };
+      extraPackages = [ ];
+      extraBuildCommands = ''
+        echo "-nostartfiles" >> $out/nix-support/cc-cflags
+      '';
+    };
+
+  });
+
+  libraries = stdenv.lib.makeExtensible (libraries: let
+    callPackage = newScope (libraries // buildLlvmTools // { inherit stdenv cmake libxml2 python3 isl release_version version fetch; });
+  in {
+
+    compiler-rt = callPackage ./compiler-rt.nix ({} //
+      (stdenv.lib.optionalAttrs (stdenv.hostPlatform.useLLVM or false) {
+        stdenv = overrideCC stdenv buildLlvmTools.lldClangNoCompilerRt;
+      }));
+
+    stdenv = overrideCC stdenv buildLlvmTools.clang;
+
+    libcxxStdenv = overrideCC stdenv buildLlvmTools.libcxxClang;
+
+    libcxx = callPackage ./libc++ ({} //
+      (stdenv.lib.optionalAttrs (stdenv.hostPlatform.useLLVM or false) {
+        stdenv = overrideCC stdenv buildLlvmTools.lldClangNoLibcxx;
+      }));
+
+    libcxxabi = callPackage ./libc++abi.nix ({} //
+      (stdenv.lib.optionalAttrs (stdenv.hostPlatform.useLLVM or false) {
+        stdenv = overrideCC stdenv buildLlvmTools.lldClangNoLibcxx;
+        libunwind = libraries.libunwind;
+      }));
+
+    openmp = callPackage ./openmp.nix {};
+
+    libunwind = callPackage ./libunwind.nix ({} //
+      (stdenv.lib.optionalAttrs (stdenv.hostPlatform.useLLVM or false) {
+        stdenv = overrideCC stdenv buildLlvmTools.lldClangNoLibcxx;
+      }));
+
+  });
+
+in { inherit tools libraries; } // libraries // tools
--- a/pkgs/development/compilers/llvm/11/libc++/default.nix
+++ b/pkgs/development/compilers/llvm/11/libc++/default.nix
@ -0,0 +1,52 @@
+{ lib, stdenv, fetch, cmake, python3, libcxxabi, fixDarwinDylibNames, version
+, enableShared ? true }:
+
+stdenv.mkDerivation {
+  pname = "libc++";
+  inherit version;
+
+  src = fetch "libcxx" "0aaci7iblfczv1jb22zjrwzxcrcx6x7klvjivmxm2zni0n2x3bd4";
+
+  postUnpack = ''
+    unpackFile ${libcxxabi.src}
+    export LIBCXXABI_INCLUDE_DIR="$PWD/$(ls -d libcxxabi-${version}*)/include"
+  '';
+
+  patches = stdenv.lib.optional stdenv.hostPlatform.isMusl ../../libcxx-0001-musl-hacks.patch;
+
+  preConfigure = ''
+    # Get headers from the cxxabi source so we can see private headers not installed by the cxxabi package
+    cmakeFlagsArray=($cmakeFlagsArray -DLIBCXX_CXX_ABI_INCLUDE_PATHS="$LIBCXXABI_INCLUDE_DIR")
+  '' + lib.optionalString stdenv.hostPlatform.isMusl ''
+    patchShebangs utils/cat_files.py
+  '';
+  nativeBuildInputs = [ cmake ]
+    ++ stdenv.lib.optional (stdenv.hostPlatform.isMusl || stdenv.hostPlatform.isWasi) python3;
+
+  buildInputs = [ libcxxabi ] ++ lib.optional stdenv.isDarwin fixDarwinDylibNames;
+
+  cmakeFlags = [
+    "-DLIBCXX_LIBCXXABI_LIB_PATH=${libcxxabi}/lib"
+    "-DLIBCXX_LIBCPPABI_VERSION=2"
+    "-DLIBCXX_CXX_ABI=libcxxabi"
+  ] ++ stdenv.lib.optional (stdenv.hostPlatform.isMusl || stdenv.hostPlatform.isWasi) "-DLIBCXX_HAS_MUSL_LIBC=1"
+    ++ stdenv.lib.optional (stdenv.hostPlatform.useLLVM or false) "-DLIBCXX_USE_COMPILER_RT=ON"
+    ++ stdenv.lib.optional stdenv.hostPlatform.isWasm [
+      "-DLIBCXX_ENABLE_THREADS=OFF"
+      "-DLIBCXX_ENABLE_FILESYSTEM=OFF"
+      "-DLIBCXX_ENABLE_EXCEPTIONS=OFF"
+    ] ++ stdenv.lib.optional (!enableShared) "-DLIBCXX_ENABLE_SHARED=OFF";
+
+  enableParallelBuilding = true;
+
+  passthru = {
+    isLLVM = true;
+  };
+
+  meta = {
+    homepage = "https://libcxx.llvm.org/";
+    description = "A new implementation of the C++ standard library, targeting C++11";
+    license = with stdenv.lib.licenses; [ ncsa mit ];
+    platforms = stdenv.lib.platforms.all;
+  };
+}
--- a/pkgs/development/compilers/llvm/11/libc++abi.nix
+++ b/pkgs/development/compilers/llvm/11/libc++abi.nix
@ -0,0 +1,67 @@
+{ stdenv, cmake, fetch, libcxx, libunwind, llvm, version
+, enableShared ? true }:
+
+stdenv.mkDerivation {
+  pname = "libc++abi";
+  inherit version;
+
+  src = fetch "libcxxabi" "04gqdzs13sw7f7a06h5zm5917d9f1k79l4rcm096grgvf0r7lnqx";
+
+  nativeBuildInputs = [ cmake ];
+  buildInputs = stdenv.lib.optional (!stdenv.isDarwin && !stdenv.isFreeBSD && !stdenv.hostPlatform.isWasm) libunwind;
+
+  cmakeFlags = stdenv.lib.optionals (stdenv.hostPlatform.useLLVM or false) [
+    "-DLLVM_ENABLE_LIBCXX=ON"
+    "-DLIBCXXABI_USE_LLVM_UNWINDER=ON"
+  ] ++ stdenv.lib.optionals stdenv.hostPlatform.isWasm [
+    "-DLIBCXXABI_ENABLE_THREADS=OFF"
+    "-DLIBCXXABI_ENABLE_EXCEPTIONS=OFF"
+  ] ++ stdenv.lib.optionals (!enableShared) [
+    "-DLIBCXXABI_ENABLE_SHARED=OFF"
+  ];
+
+  patches = [ ./libcxxabi-no-threads.patch ];
+
+  postUnpack = ''
+    unpackFile ${libcxx.src}
+    unpackFile ${llvm.src}
+    cmakeFlags+=" -DLLVM_PATH=$PWD/$(ls -d llvm-*) -DLIBCXXABI_LIBCXX_PATH=$PWD/$(ls -d libcxx-*)"
+  '' + stdenv.lib.optionalString stdenv.isDarwin ''
+    export TRIPLE=x86_64-apple-darwin
+  '' + stdenv.lib.optionalString stdenv.hostPlatform.isMusl ''
+    patch -p1 -d $(ls -d libcxx-*) -i ${../libcxx-0001-musl-hacks.patch}
+  '' + stdenv.lib.optionalString stdenv.hostPlatform.isWasm ''
+    patch -p1 -d $(ls -d llvm-*) -i ${./libcxxabi-wasm.patch}
+  '';
+
+  installPhase = if stdenv.isDarwin
+    then ''
+      for file in lib/*.dylib; do
+        # this should be done in CMake, but having trouble figuring out
+        # the magic combination of necessary CMake variables
+        # if you fancy a try, take a look at
+        # https://gitlab.kitware.com/cmake/community/-/wikis/doc/cmake/RPATH-handling
+        install_name_tool -id $out/$file $file
+      done
+      make install
+      install -d 755 $out/include
+      install -m 644 ../include/*.h $out/include
+    ''
+    else ''
+      install -d -m 755 $out/include $out/lib
+      install -m 644 lib/libc++abi.a $out/lib
+      install -m 644 ../include/cxxabi.h $out/include
+    '' + stdenv.lib.optionalString enableShared ''
+      install -m 644 lib/libc++abi.so.1.0 $out/lib
+      ln -s libc++abi.so.1.0 $out/lib/libc++abi.so
+      ln -s libc++abi.so.1.0 $out/lib/libc++abi.so.1
+    '';
+
+  meta = {
+    homepage = "https://libcxxabi.llvm.org/";
+    description = "A new implementation of low level support for a standard C++ library";
+    license = with stdenv.lib.licenses; [ ncsa mit ];
+    maintainers = with stdenv.lib.maintainers; [ vlstill ];
+    platforms = stdenv.lib.platforms.all;
+  };
+}
--- a/pkgs/development/compilers/llvm/11/libcxxabi-no-threads.patch
+++ b/pkgs/development/compilers/llvm/11/libcxxabi-no-threads.patch
@ -0,0 +1,12 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 4138acf..41b4763 100644
+--- a/CMakeLists.txt
+++ b/CMakeLists.txt
+@@ -362,6 +362,7 @@ if (NOT LIBCXXABI_ENABLE_THREADS)
+                         " is also set to ON.")
+   endif()
+   add_definitions(-D_LIBCXXABI_HAS_NO_THREADS)
+  add_definitions(-D_LIBCPP_HAS_NO_THREADS)
+ endif()
+ 
+ if (LIBCXXABI_HAS_EXTERNAL_THREAD_API)
--- a/pkgs/development/compilers/llvm/11/libcxxabi-wasm.patch
+++ b/pkgs/development/compilers/llvm/11/libcxxabi-wasm.patch
@ -0,0 +1,16 @@
+diff --git a/cmake/modules/HandleLLVMOptions.cmake b/cmake/modules/HandleLLVMOptions.cmake
+index 15497d405e0..33f7f18193a 100644
+--- a/cmake/modules/HandleLLVMOptions.cmake
+++ b/cmake/modules/HandleLLVMOptions.cmake
+@@ -127,7 +127,10 @@ else(WIN32)
+       set(LLVM_HAVE_LINK_VERSION_SCRIPT 1)
+     endif()
+   else(FUCHSIA OR UNIX)
+-    MESSAGE(SEND_ERROR "Unable to determine platform")
+    if(${CMAKE_SYSTEM_NAME} MATCHES "Wasi")
+    else()
+      MESSAGE(SEND_ERROR "Unable to determine platform")
+    endif()
+   endif(FUCHSIA OR UNIX)
+ endif(WIN32)
+ 
--- a/pkgs/development/compilers/llvm/11/libunwind.nix
+++ b/pkgs/development/compilers/llvm/11/libunwind.nix
@ -0,0 +1,14 @@
+{ stdenv, version, fetch, cmake, fetchpatch, enableShared ? true }:
+
+stdenv.mkDerivation rec {
+  pname = "libunwind";
+  inherit version;
+
+  src = fetch pname "1ch4a2yp821lgzxh9898f7nw2fnkrn3wh25sqg05hlks45znv30y";
+
+  nativeBuildInputs = [ cmake ];
+
+  enableParallelBuilding = true;
+
+  cmakeFlags = stdenv.lib.optional (!enableShared) "-DLIBUNWIND_ENABLE_SHARED=OFF";
+}
--- a/pkgs/development/compilers/llvm/11/lld.nix
+++ b/pkgs/development/compilers/llvm/11/lld.nix
@ -0,0 +1,33 @@
+{ stdenv
+, fetch
+, cmake
+, libxml2
+, llvm
+, version
+}:
+
+stdenv.mkDerivation rec {
+  pname = "lld";
+  inherit version;
+
+  src = fetch pname "0lqz5cfids0rrl02p0qq5s18p8ikaa9r5gwa2yvj3bismdhvmar8";
+
+  nativeBuildInputs = [ cmake ];
+  buildInputs = [ llvm libxml2 ];
+
+  outputs = [ "out" "dev" ];
+
+  enableParallelBuilding = true;
+
+  postInstall = ''
+    moveToOutput include "$dev"
+    moveToOutput lib "$dev"
+  '';
+
+  meta = {
+    description = "The LLVM Linker";
+    homepage    = "https://lld.llvm.org/";
+    license     = stdenv.lib.licenses.ncsa;
+    platforms   = stdenv.lib.platforms.all;
+  };
+}
--- a/pkgs/development/compilers/llvm/11/lldb-procfs.patch
+++ b/pkgs/development/compilers/llvm/11/lldb-procfs.patch
@ -0,0 +1,31 @@
+--- a/source/Plugins/Process/Linux/Procfs.h
+++ b/source/Plugins/Process/Linux/Procfs.h
+@@ -11,21 +11,12 @@
+ // sys/procfs.h on Android/Linux for all supported architectures.
+ 
+ #include <sys/ptrace.h>
+#include <asm/ptrace.h>
+ 
+-#ifdef __ANDROID__
+-#if defined(__arm64__) || defined(__aarch64__)
+-typedef unsigned long elf_greg_t;
+-typedef elf_greg_t
+-    elf_gregset_t[(sizeof(struct user_pt_regs) / sizeof(elf_greg_t))];
+-typedef struct user_fpsimd_state elf_fpregset_t;
+-#ifndef NT_FPREGSET
+-#define NT_FPREGSET NT_PRFPREG
+-#endif // NT_FPREGSET
+-#elif defined(__mips__)
+-#ifndef NT_FPREGSET
+-#define NT_FPREGSET NT_PRFPREG
+-#endif // NT_FPREGSET
+-#endif
+-#else // __ANDROID__
+#if !defined(__GLIBC__) && defined(__powerpc__)
+#define pt_regs musl_pt_regs
+#include <sys/procfs.h>
+#undef pt_regs
+#else
+ #include <sys/procfs.h>
+-#endif // __ANDROID__
+#endif
--- a/pkgs/development/compilers/llvm/11/lldb.nix
+++ b/pkgs/development/compilers/llvm/11/lldb.nix
@ -0,0 +1,101 @@
+{ stdenv
+, fetch
+, cmake
+, zlib
+, ncurses
+, swig
+, which
+, libedit
+, libxml2
+, llvm
+, clang-unwrapped
+, python3
+, version
+, darwin
+, lit
+, enableManpages ? false
+}:
+
+stdenv.mkDerivation (rec {
+  pname = "lldb";
+  inherit version;
+
+  src = fetch pname "0hb582kvhxp3kcckz7imrihs0kszdaz09z22xfymyi4vgmcy62q3";
+
+  patches = [ ./lldb-procfs.patch ];
+
+  nativeBuildInputs = [ cmake python3 which swig lit ]
+    ++ stdenv.lib.optionals enableManpages [ python3.pkgs.sphinx python3.pkgs.recommonmark ];
+
+  buildInputs = [
+    ncurses
+    zlib
+    libedit
+    libxml2
+    llvm
+  ]
+  ++ stdenv.lib.optionals stdenv.isDarwin [
+    darwin.libobjc
+    darwin.apple_sdk.libs.xpc
+    darwin.apple_sdk.frameworks.Foundation
+    darwin.bootstrap_cmds
+    darwin.apple_sdk.frameworks.Carbon
+    darwin.apple_sdk.frameworks.Cocoa
+  ];
+
+  CXXFLAGS = "-fno-rtti";
+  hardeningDisable = [ "format" ];
+
+  cmakeFlags = [
+    "-DLLDB_CODESIGN_IDENTITY=" # codesigning makes nondeterministic
+    "-DClang_DIR=${clang-unwrapped}/lib/cmake"
+    "-DLLVM_EXTERNAL_LIT=${lit}/bin/lit"
+  ] ++ stdenv.lib.optionals stdenv.isDarwin [
+    "-DLLDB_USE_SYSTEM_DEBUGSERVER=ON"
+  ] ++ stdenv.lib.optionals enableManpages [
+    "-DLLVM_ENABLE_SPHINX=ON"
+    "-DSPHINX_OUTPUT_MAN=ON"
+    "-DSPHINX_OUTPUT_HTML=OFF"
+  ]
+;
+
+  enableParallelBuilding = true;
+
+  postInstall = ''
+    # Editor support
+    # vscode:
+    install -D ../tools/lldb-vscode/package.json $out/share/vscode/extensions/llvm-org.lldb-vscode-0.1.0/package.json
+    mkdir -p $out/share/vscode/extensions/llvm-org.lldb-vscode-0.1.0/bin
+    ln -s $out/bin/lldb-vscode $out/share/vscode/extensions/llvm-org.lldb-vscode-0.1.0/bin
+  '';
+
+  meta = with stdenv.lib; {
+    description = "A next-generation high-performance debugger";
+    homepage = "https://lldb.llvm.org";
+    license = licenses.ncsa;
+    platforms = platforms.all;
+  };
+} // stdenv.lib.optionalAttrs enableManpages {
+  pname = "lldb-manpages";
+
+  buildPhase = ''
+    make docs-lldb-man
+  '';
+
+  propagatedBuildInputs = [];
+
+  installPhase = ''
+    # manually install lldb man page
+    mkdir -p $out/share/man/man1
+    install docs/man/lldb.1 -t $out/share/man/man1/
+  '';
+
+  postPatch = null;
+  postInstall = null;
+
+  outputs = [ "out" ];
+
+  doCheck = false;
+
+  meta.description = "man pages for LLDB ${version}";
+})
--- a/pkgs/development/compilers/llvm/11/llvm-outputs.patch
+++ b/pkgs/development/compilers/llvm/11/llvm-outputs.patch
@ -0,0 +1,26 @@
+diff --git a/tools/llvm-config/llvm-config.cpp b/tools/llvm-config/llvm-config.cpp
+index 94d426b..37f7794 100644
+--- a/tools/llvm-config/llvm-config.cpp
+++ b/tools/llvm-config/llvm-config.cpp
+@@ -333,6 +333,21 @@ int main(int argc, char **argv) {
+     ActiveIncludeOption = "-I" + ActiveIncludeDir;
+   }
+ 
+  /// Nix-specific multiple-output handling: override ActiveLibDir if --link-shared
+  if (!IsInDevelopmentTree) {
+    bool WantShared = true;
+    for (int i = 1; i < argc; ++i) {
+      StringRef Arg = argv[i];
+      if (Arg == "--link-shared")
+        WantShared = true;
+      else if (Arg == "--link-static")
+        WantShared = false; // the last one wins
+    }
+
+    if (WantShared)
+      ActiveLibDir = std::string("@lib@") + "/lib" + LLVM_LIBDIR_SUFFIX;
+  }
+
+   /// We only use `shared library` mode in cases where the static library form
+   /// of the components provided are not available; note however that this is
+   /// skipped if we're run from within the build dir. However, once installed,
--- a/pkgs/development/compilers/llvm/11/llvm.nix
+++ b/pkgs/development/compilers/llvm/11/llvm.nix
@ -0,0 +1,187 @@
+{ stdenv
+, fetch
+, cmake
+, python3
+, libffi
+, libbfd
+, libpfm
+, libxml2
+, ncurses
+, version
+, release_version
+, zlib
+, buildPackages
+, debugVersion ? false
+, enableManpages ? false
+, enableSharedLibraries ? true
+, enablePFM ? !(stdenv.isDarwin
+  || stdenv.isAarch64 # broken for Ampere eMAG 8180 (c2.large.arm on Packet) #56245
+  || stdenv.isAarch32 # broken for the armv7l builder
+)
+, enablePolly ? false
+}:
+
+let
+  inherit (stdenv.lib) optional optionals optionalString;
+
+  # Used when creating a version-suffixed symlink of libLLVM.dylib
+  shortVersion = with stdenv.lib;
+    concatStringsSep "." (take 1 (splitString "." release_version));
+
+in stdenv.mkDerivation (rec {
+  pname = "llvm";
+  inherit version;
+
+  src = fetch pname "151c7nphn18dcw04yxyp6qdj8w19psb8nigf26djf7rhpi1fn0sh";
+  polly_src = fetch "polly" "0caxfpaxhf38nam4gkb9xqlrw20v29cm8jf95ykkbngqw64rmgij";
+
+  unpackPhase = ''
+    unpackFile $src
+    mv llvm-${version}* llvm
+    sourceRoot=$PWD/llvm
+  '' + optionalString enablePolly ''
+    unpackFile $polly_src
+    mv polly-* $sourceRoot/tools/polly
+  '';
+
+  outputs = [ "out" "python" ]
+    ++ optional enableSharedLibraries "lib";
+
+  nativeBuildInputs = [ cmake python3 ]
+    ++ optionals enableManpages [ python3.pkgs.sphinx python3.pkgs.recommonmark ];
+
+  buildInputs = [ libxml2 libffi ]
+    ++ optional enablePFM libpfm; # exegesis
+
+  propagatedBuildInputs = [ ncurses zlib ];
+
+  postPatch = optionalString stdenv.isDarwin ''
+    substituteInPlace cmake/modules/AddLLVM.cmake \
+      --replace 'set(_install_name_dir INSTALL_NAME_DIR "@rpath")' "set(_install_name_dir)" \
+      --replace 'set(_install_rpath "@loader_path/../lib''${LLVM_LIBDIR_SUFFIX}" ''${extra_libdir})' ""
+  ''
+  # Patch llvm-config to return correct library path based on --link-{shared,static}.
+  + optionalString (enableSharedLibraries) ''
+    substitute '${./llvm-outputs.patch}' ./llvm-outputs.patch --subst-var lib
+    patch -p1 < ./llvm-outputs.patch
+  '' + ''
+    # FileSystem permissions tests fail with various special bits
+    substituteInPlace unittests/Support/CMakeLists.txt \
+      --replace "Path.cpp" ""
+    rm unittests/Support/Path.cpp
+  '' + optionalString stdenv.hostPlatform.isMusl ''
+    patch -p1 -i ${../TLI-musl.patch}
+    substituteInPlace unittests/Support/CMakeLists.txt \
+      --replace "add_subdirectory(DynamicLibrary)" ""
+    rm unittests/Support/DynamicLibrary/DynamicLibraryTest.cpp
+    # valgrind unhappy with musl or glibc, but fails w/musl only
+    rm test/CodeGen/AArch64/wineh4.mir
+  '' + optionalString stdenv.hostPlatform.isAarch32 ''
+    # skip failing X86 test cases on 32-bit ARM
+    rm test/DebugInfo/X86/convert-debugloc.ll
+    rm test/DebugInfo/X86/convert-inlined.ll
+    rm test/DebugInfo/X86/convert-linked.ll
+    rm test/tools/dsymutil/X86/op-convert.test
+  '' + optionalString (stdenv.hostPlatform.system == "armv6l-linux") ''
+    # Seems to require certain floating point hardware (NEON?)
+    rm test/ExecutionEngine/frem.ll
+  '' + ''
+    patchShebangs test/BugPoint/compile-custom.ll.py
+  '';
+
+  # hacky fix: created binaries need to be run before installation
+  preBuild = ''
+    mkdir -p $out/
+    ln -sv $PWD/lib $out
+  '';
+
+  cmakeFlags = with stdenv; [
+    "-DCMAKE_BUILD_TYPE=${if debugVersion then "Debug" else "Release"}"
+    "-DLLVM_INSTALL_UTILS=ON"  # Needed by rustc
+    "-DLLVM_BUILD_TESTS=ON"
+    "-DLLVM_ENABLE_FFI=ON"
+    "-DLLVM_ENABLE_RTTI=ON"
+    "-DLLVM_HOST_TRIPLE=${stdenv.hostPlatform.config}"
+    "-DLLVM_DEFAULT_TARGET_TRIPLE=${stdenv.hostPlatform.config}"
+    "-DLLVM_ENABLE_DUMP=ON"
+  ] ++ optionals enableSharedLibraries [
+    "-DLLVM_LINK_LLVM_DYLIB=ON"
+  ] ++ optionals enableManpages [
+    "-DLLVM_BUILD_DOCS=ON"
+    "-DLLVM_ENABLE_SPHINX=ON"
+    "-DSPHINX_OUTPUT_MAN=ON"
+    "-DSPHINX_OUTPUT_HTML=OFF"
+    "-DSPHINX_WARNINGS_AS_ERRORS=OFF"
+  ] ++ optionals (!isDarwin) [
+    "-DLLVM_BINUTILS_INCDIR=${libbfd.dev}/include"
+  ] ++ optionals isDarwin [
+    "-DLLVM_ENABLE_LIBCXX=ON"
+    "-DCAN_TARGET_i386=false"
+  ] ++ optionals (stdenv.hostPlatform != stdenv.buildPlatform) [
+    "-DCMAKE_CROSSCOMPILING=True"
+    "-DLLVM_TABLEGEN=${buildPackages.llvm_10}/bin/llvm-tblgen"
+  ];
+
+  postBuild = ''
+    rm -fR $out
+  '';
+
+  preCheck = ''
+    export LD_LIBRARY_PATH=$LD_LIBRARY_PATH''${LD_LIBRARY_PATH:+:}$PWD/lib
+  '';
+
+  postInstall = ''
+    mkdir -p $python/share
+    mv $out/share/opt-viewer $python/share/opt-viewer
+  ''
+  + optionalString enableSharedLibraries ''
+    moveToOutput "lib/libLLVM-*" "$lib"
+    moveToOutput "lib/libLLVM${stdenv.hostPlatform.extensions.sharedLibrary}" "$lib"
+  ''
+  + optionalString (enableSharedLibraries && (!stdenv.isDarwin)) ''
+    substituteInPlace "$out/lib/cmake/llvm/LLVMExports-${if debugVersion then "debug" else "release"}.cmake" \
+      --replace "\''${_IMPORT_PREFIX}/lib/libLLVM-" "$lib/lib/libLLVM-"
+  ''
+  + optionalString (stdenv.isDarwin && enableSharedLibraries) ''
+    substituteInPlace "$out/lib/cmake/llvm/LLVMExports-${if debugVersion then "debug" else "release"}.cmake" \
+      --replace "\''${_IMPORT_PREFIX}/lib/libLLVM.dylib" "$lib/lib/libLLVM.dylib"
+    ln -s $lib/lib/libLLVM.dylib $lib/lib/libLLVM-${shortVersion}.dylib
+    ln -s $lib/lib/libLLVM.dylib $lib/lib/libLLVM-${release_version}.dylib
+  '';
+
+  doCheck = stdenv.isLinux && (!stdenv.isx86_32);
+
+  checkTarget = "check-all";
+
+  enableParallelBuilding = true;
+
+  requiredSystemFeatures = [ "big-parallel" ];
+  meta = {
+    description = "Collection of modular and reusable compiler and toolchain technologies";
+    homepage    = "https://llvm.org/";
+    license     = stdenv.lib.licenses.ncsa;
+    maintainers = with stdenv.lib.maintainers; [ lovek323 raskin dtzWill ];
+    platforms   = stdenv.lib.platforms.all;
+  };
+} // stdenv.lib.optionalAttrs enableManpages {
+  pname = "llvm-manpages";
+
+  buildPhase = ''
+    make docs-llvm-man
+  '';
+
+  propagatedBuildInputs = [];
+
+  installPhase = ''
+    make -C docs install
+  '';
+
+  postPatch = null;
+  postInstall = null;
+
+  outputs = [ "out" ];
+
+  doCheck = false;
+
+  meta.description = "man pages for LLVM ${version}";
+})
--- a/pkgs/development/compilers/llvm/11/openmp.nix
+++ b/pkgs/development/compilers/llvm/11/openmp.nix
@ -0,0 +1,26 @@
+{ stdenv
+, fetch
+, cmake
+, llvm
+, perl
+, version
+}:
+
+stdenv.mkDerivation rec {
+  pname = "openmp";
+  inherit version;
+
+  src = fetch pname "1025dwn68iw664df831zbkxy8bxilvjkbc6mw4nhv6p5ff7dcw7f";
+
+  nativeBuildInputs = [ cmake perl ];
+  buildInputs = [ llvm ];
+
+  enableParallelBuilding = true;
+
+  meta = {
+    description = "Components required to build an executable OpenMP program";
+    homepage    = "https://openmp.llvm.org/";
+    license     = stdenv.lib.licenses.mit;
+    platforms   = stdenv.lib.platforms.all;
+  };
+}
--- a/pkgs/development/compilers/llvm/11/sanitizers-nongnu.patch
+++ b/pkgs/development/compilers/llvm/11/sanitizers-nongnu.patch
@ -0,0 +1,412 @@
+From f7a253f8f85d0f49df6b73996737a3e84ac64236 Mon Sep 17 00:00:00 2001
+From: Will Dietz <w@wdtz.org>
+Date: Mon, 24 Sep 2018 11:17:25 -0500
+Subject: [PATCH] Ported to 7.0, taken from gentoo-musl project.
+
+------
+Ported to compiler-rt-sanitizers-5.0.0. Taken from
+
+https://gist.githubusercontent.com/pwaller/2337f3290f12634cad3e3730cff0a6c1/raw/83c87a8585e2f9662494db5662e5361beb093c26/nongnu.patch
+Signed-off-by: Jory A. Pratt <anarchy@gentoo.org>
+
+Taken from gentoo-musl project, with a few additional minor fixes.
+---
+ lib/asan/asan_linux.cc                        |  4 +-
+ lib/interception/interception_linux.cc        |  2 +-
+ lib/interception/interception_linux.h         |  2 +-
+ lib/msan/msan_linux.cc                        |  2 +-
+ lib/sanitizer_common/sanitizer_allocator.cc   |  2 +-
+ .../sanitizer_common_interceptors_ioctl.inc   |  4 +-
+ .../sanitizer_common_syscalls.inc             |  2 +-
+ lib/sanitizer_common/sanitizer_linux.cc       |  8 +++-
+ .../sanitizer_linux_libcdep.cc                | 10 ++---
+ lib/sanitizer_common/sanitizer_platform.h     |  6 +++
+ .../sanitizer_platform_interceptors.h         |  4 +-
+ .../sanitizer_platform_limits_posix.cc        | 37 +++++++++++--------
+ lib/tsan/rtl/tsan_platform_linux.cc           |  2 +-
+ 13 files changed, 51 insertions(+), 34 deletions(-)
+
+diff --git a/lib/asan/asan_linux.cc b/lib/asan/asan_linux.cc
+index 625f32d40..73cf77aca 100644
+--- a/lib/asan/asan_linux.cc
+++ b/lib/asan/asan_linux.cc
+@@ -46,7 +46,7 @@
+ #include <link.h>
+ #endif
+ 
+-#if SANITIZER_ANDROID || SANITIZER_FREEBSD || SANITIZER_SOLARIS
+#if SANITIZER_ANDROID || SANITIZER_FREEBSD || SANITIZER_SOLARIS || SANITIZER_NONGNU
+ #include <ucontext.h>
+ extern "C" void* _DYNAMIC;
+ #elif SANITIZER_NETBSD
+@@ -139,7 +139,7 @@ void AsanApplyToGlobals(globals_op_fptr op, const void *needle) {
+   UNIMPLEMENTED();
+ }
+ 
+-#if SANITIZER_ANDROID
+#if SANITIZER_ANDROID || SANITIZER_NONGNU
+ // FIXME: should we do anything for Android?
+ void AsanCheckDynamicRTPrereqs() {}
+ void AsanCheckIncompatibleRT() {}
+diff --git a/lib/interception/interception_linux.cc b/lib/interception/interception_linux.cc
+index 26bfcd8f6..529b234f7 100644
+--- a/lib/interception/interception_linux.cc
+++ b/lib/interception/interception_linux.cc
+@@ -43,7 +43,7 @@ bool GetRealFunctionAddress(const char *func_name, uptr *func_addr,
+ }
+ 
+ // Android and Solaris do not have dlvsym
+-#if !SANITIZER_ANDROID && !SANITIZER_SOLARIS && !SANITIZER_OPENBSD
+#if !SANITIZER_ANDROID && !SANITIZER_SOLARIS && !SANITIZER_OPENBSD && !SANITIZER_NONGNU
+ void *GetFuncAddrVer(const char *func_name, const char *ver) {
+   return dlvsym(RTLD_NEXT, func_name, ver);
+ }
+diff --git a/lib/interception/interception_linux.h b/lib/interception/interception_linux.h
+index 942c25609..24a4d5080 100644
+--- a/lib/interception/interception_linux.h
+++ b/lib/interception/interception_linux.h
+@@ -36,7 +36,7 @@ void *GetFuncAddrVer(const char *func_name, const char *ver);
+       (::__interception::uptr) & WRAP(func))
+ 
+ // Android,  Solaris and OpenBSD do not have dlvsym
+-#if !SANITIZER_ANDROID && !SANITIZER_SOLARIS && !SANITIZER_OPENBSD
+#if !SANITIZER_ANDROID && !SANITIZER_SOLARIS && !SANITIZER_OPENBSD && !SANITIZER_NONGNU
+ #define INTERCEPT_FUNCTION_VER_LINUX_OR_FREEBSD(func, symver) \
+   (::__interception::real_##func = (func##_f)(                \
+        unsigned long)::__interception::GetFuncAddrVer(#func, symver))
+diff --git a/lib/msan/msan_linux.cc b/lib/msan/msan_linux.cc
+index 385a650c4..6e30a8ce9 100644
+--- a/lib/msan/msan_linux.cc
+++ b/lib/msan/msan_linux.cc
+@@ -13,7 +13,7 @@
+ //===----------------------------------------------------------------------===//
+ 
+ #include "sanitizer_common/sanitizer_platform.h"
+-#if SANITIZER_FREEBSD || SANITIZER_LINUX || SANITIZER_NETBSD
+#if SANITIZER_FREEBSD || (SANITIZER_LINUX && !SANITIZER_NONGNU) || SANITIZER_NETBSD
+ 
+ #include "msan.h"
+ #include "msan_report.h"
+diff --git a/lib/sanitizer_common/sanitizer_allocator.cc b/lib/sanitizer_common/sanitizer_allocator.cc
+index 6bfd5e5ee..048f6154f 100644
+--- a/lib/sanitizer_common/sanitizer_allocator.cc
+++ b/lib/sanitizer_common/sanitizer_allocator.cc
+@@ -27,7 +27,7 @@ const char *SecondaryAllocatorName = "LargeMmapAllocator";
+ 
+ // ThreadSanitizer for Go uses libc malloc/free.
+ #if SANITIZER_GO || defined(SANITIZER_USE_MALLOC)
+-# if SANITIZER_LINUX && !SANITIZER_ANDROID
+# if SANITIZER_LINUX && !SANITIZER_ANDROID && !SANITIZER_NONGNU
+ extern "C" void *__libc_malloc(uptr size);
+ #  if !SANITIZER_GO
+ extern "C" void *__libc_memalign(uptr alignment, uptr size);
+diff --git a/lib/sanitizer_common/sanitizer_common_interceptors_ioctl.inc b/lib/sanitizer_common/sanitizer_common_interceptors_ioctl.inc
+index 2d633c173..b6eb23116 100644
+--- a/lib/sanitizer_common/sanitizer_common_interceptors_ioctl.inc
+++ b/lib/sanitizer_common/sanitizer_common_interceptors_ioctl.inc
+@@ -104,7 +104,7 @@ static void ioctl_table_fill() {
+   _(SIOCGETVIFCNT, WRITE, struct_sioc_vif_req_sz);
+ #endif
+ 
+-#if SANITIZER_LINUX
+#if SANITIZER_LINUX && !SANITIZER_NONGNU
+   // Conflicting request ids.
+   // _(CDROMAUDIOBUFSIZ, NONE, 0);
+   // _(SNDCTL_TMR_CONTINUE, NONE, 0);
+@@ -365,7 +365,7 @@ static void ioctl_table_fill() {
+   _(VT_WAITACTIVE, NONE, 0);
+ #endif
+ 
+-#if SANITIZER_LINUX && !SANITIZER_ANDROID
+#if SANITIZER_LINUX && !SANITIZER_ANDROID && !SANITIZER_NONGNU
+   // _(SIOCDEVPLIP, WRITE, struct_ifreq_sz); // the same as EQL_ENSLAVE
+   _(CYGETDEFTHRESH, WRITE, sizeof(int));
+   _(CYGETDEFTIMEOUT, WRITE, sizeof(int));
+diff --git a/lib/sanitizer_common/sanitizer_common_syscalls.inc b/lib/sanitizer_common/sanitizer_common_syscalls.inc
+index 469c8eb7e..24f87867d 100644
+--- a/lib/sanitizer_common/sanitizer_common_syscalls.inc
+++ b/lib/sanitizer_common/sanitizer_common_syscalls.inc
+@@ -2038,7 +2038,7 @@ POST_SYSCALL(setrlimit)(long res, long resource, void *rlim) {
+   }
+ }
+ 
+-#if !SANITIZER_ANDROID
+#if !SANITIZER_ANDROID && !SANITIZER_NONGNU
+ PRE_SYSCALL(prlimit64)(long pid, long resource, const void *new_rlim,
+                        void *old_rlim) {
+   if (new_rlim) PRE_READ(new_rlim, struct_rlimit64_sz);
+diff --git a/lib/sanitizer_common/sanitizer_linux.cc b/lib/sanitizer_common/sanitizer_linux.cc
+index 96d6c1eff..9e2b7fb9d 100644
+--- a/lib/sanitizer_common/sanitizer_linux.cc
+++ b/lib/sanitizer_common/sanitizer_linux.cc
+@@ -541,13 +541,13 @@ const char *GetEnv(const char *name) {
+ #endif
+ }
+ 
+-#if !SANITIZER_FREEBSD && !SANITIZER_NETBSD && !SANITIZER_OPENBSD
+#if !SANITIZER_FREEBSD && !SANITIZER_NETBSD && !SANITIZER_OPENBSD && !SANITIZER_NONGNU
+ extern "C" {
+ SANITIZER_WEAK_ATTRIBUTE extern void *__libc_stack_end;
+ }
+ #endif
+ 
+-#if !SANITIZER_GO && !SANITIZER_FREEBSD && !SANITIZER_NETBSD &&                \
+#if (!SANITIZER_GO || SANITIZER_NONGNU) && !SANITIZER_FREEBSD && !SANITIZER_NETBSD &&                \
+     !SANITIZER_OPENBSD
+ static void ReadNullSepFileToArray(const char *path, char ***arr,
+                                    int arr_size) {
+@@ -590,6 +590,10 @@ static void GetArgsAndEnv(char ***argv, char ***envp) {
+ #elif SANITIZER_NETBSD
+   *argv = __ps_strings->ps_argvstr;
+   *envp = __ps_strings->ps_envstr;
+#elif SANITIZER_NONGNU
+    static const int kMaxArgv = 2000, kMaxEnvp = 2000;
+    ReadNullSepFileToArray("/proc/self/cmdline", argv, kMaxArgv);
+    ReadNullSepFileToArray("/proc/self/environ", envp, kMaxEnvp);
+ #else // SANITIZER_FREEBSD
+ #if !SANITIZER_GO
+   if (&__libc_stack_end) {
+diff --git a/lib/sanitizer_common/sanitizer_linux_libcdep.cc b/lib/sanitizer_common/sanitizer_linux_libcdep.cc
+index 4962ff832..438f94dbe 100644
+--- a/lib/sanitizer_common/sanitizer_linux_libcdep.cc
+++ b/lib/sanitizer_common/sanitizer_linux_libcdep.cc
+@@ -179,7 +179,7 @@ __attribute__((unused)) static bool GetLibcVersion(int *major, int *minor,
+ }
+ 
+ #if !SANITIZER_FREEBSD && !SANITIZER_ANDROID && !SANITIZER_GO &&               \
+-    !SANITIZER_NETBSD && !SANITIZER_OPENBSD && !SANITIZER_SOLARIS
+    !SANITIZER_NETBSD && !SANITIZER_OPENBSD && !SANITIZER_SOLARIS && !SANITIZER_NONGNU
+ static uptr g_tls_size;
+ 
+ #ifdef __i386__
+@@ -261,7 +261,7 @@ void InitTlsSize() { }
+ #if (defined(__x86_64__) || defined(__i386__) || defined(__mips__) ||          \
+      defined(__aarch64__) || defined(__powerpc64__) || defined(__s390__) ||    \
+      defined(__arm__)) &&                                                      \
+-    SANITIZER_LINUX && !SANITIZER_ANDROID
+    SANITIZER_LINUX && !SANITIZER_ANDROID && !SANITIZER_NONGNU
+ // sizeof(struct pthread) from glibc.
+ static atomic_uintptr_t thread_descriptor_size;
+ 
+@@ -426,7 +426,7 @@ int GetSizeFromHdr(struct dl_phdr_info *info, size_t size, void *data) {
+ 
+ #if !SANITIZER_GO
+ static void GetTls(uptr *addr, uptr *size) {
+-#if SANITIZER_LINUX && !SANITIZER_ANDROID
+#if SANITIZER_LINUX && !SANITIZER_ANDROID && !SANITIZER_NONGNU
+ # if defined(__x86_64__) || defined(__i386__) || defined(__s390__)
+   *addr = ThreadSelf();
+   *size = GetTlsSize();
+@@ -470,7 +470,7 @@ static void GetTls(uptr *addr, uptr *size) {
+ #elif SANITIZER_OPENBSD
+   *addr = 0;
+   *size = 0;
+-#elif SANITIZER_ANDROID
+#elif SANITIZER_ANDROID || SANITIZER_NONGNU
+   *addr = 0;
+   *size = 0;
+ #elif SANITIZER_SOLARIS
+@@ -486,7 +486,7 @@ static void GetTls(uptr *addr, uptr *size) {
+ #if !SANITIZER_GO
+ uptr GetTlsSize() {
+ #if SANITIZER_FREEBSD || SANITIZER_ANDROID || SANITIZER_NETBSD ||              \
+-    SANITIZER_OPENBSD || SANITIZER_SOLARIS
+    SANITIZER_OPENBSD || SANITIZER_SOLARIS || SANITIZER_NONGNU
+   uptr addr, size;
+   GetTls(&addr, &size);
+   return size;
+diff --git a/lib/sanitizer_common/sanitizer_platform.h b/lib/sanitizer_common/sanitizer_platform.h
+index d81e25580..e10680ac8 100644
+--- a/lib/sanitizer_common/sanitizer_platform.h
+++ b/lib/sanitizer_common/sanitizer_platform.h
+@@ -208,6 +208,12 @@
+ # define SANITIZER_SOLARIS32 0
+ #endif
+ 
+#if defined(__linux__) && !defined(__GLIBC__)
+# define SANITIZER_NONGNU 1
+#else
+# define SANITIZER_NONGNU 0
+#endif
+
+ #if defined(__myriad2__)
+ # define SANITIZER_MYRIAD2 1
+ #else
+diff --git a/lib/sanitizer_common/sanitizer_platform_interceptors.h b/lib/sanitizer_common/sanitizer_platform_interceptors.h
+index f95539a73..6c53b3415 100644
+--- a/lib/sanitizer_common/sanitizer_platform_interceptors.h
+++ b/lib/sanitizer_common/sanitizer_platform_interceptors.h
+@@ -39,7 +39,7 @@
+ # include "sanitizer_platform_limits_solaris.h"
+ #endif
+ 
+-#if SANITIZER_LINUX && !SANITIZER_ANDROID
+#if SANITIZER_LINUX && !SANITIZER_ANDROID && !SANITIZER_NONGNU
+ # define SI_LINUX_NOT_ANDROID 1
+ #else
+ # define SI_LINUX_NOT_ANDROID 0
+@@ -322,7 +322,7 @@
+ #define SANITIZER_INTERCEPT_ETHER_R (SI_FREEBSD || SI_LINUX_NOT_ANDROID)
+ #define SANITIZER_INTERCEPT_SHMCTL          \
+   (SI_NETBSD || SI_OPENBSD || SI_SOLARIS || \
+-  ((SI_FREEBSD || SI_LINUX_NOT_ANDROID) && \
+  ((SI_FREEBSD || SI_LINUX_NOT_ANDROID || SANITIZER_NONGNU) && \
+     SANITIZER_WORDSIZE == 64))  // NOLINT
+ #define SANITIZER_INTERCEPT_RANDOM_R SI_LINUX_NOT_ANDROID
+ #define SANITIZER_INTERCEPT_PTHREAD_ATTR_GET SI_POSIX
+diff --git a/lib/sanitizer_common/sanitizer_platform_limits_posix.cc b/lib/sanitizer_common/sanitizer_platform_limits_posix.cc
+index 54da635d7..2f6ff69c3 100644
+--- a/lib/sanitizer_common/sanitizer_platform_limits_posix.cc
+++ b/lib/sanitizer_common/sanitizer_platform_limits_posix.cc
+@@ -14,6 +14,9 @@
+ 
+ #include "sanitizer_platform.h"
+ 
+// Workaround musl <--> linux conflicting definition of 'struct sysinfo'
+#define _LINUX_SYSINFO_H
+
+ #if SANITIZER_LINUX || SANITIZER_FREEBSD || SANITIZER_MAC
+ // Tests in this file assume that off_t-dependent data structures match the
+ // libc ABI. For example, struct dirent here is what readdir() function (as
+@@ -138,12 +141,14 @@ typedef struct user_fpregs elf_fpregset_t;
+ 
+ #if SANITIZER_LINUX && !SANITIZER_ANDROID
+ #include <glob.h>
+-#include <obstack.h>
+#  if !SANITIZER_NONGNU
+#    include <obstack.h>
+#  endif
+ #include <mqueue.h>
+-#include <net/if_ppp.h>
+-#include <netax25/ax25.h>
+-#include <netipx/ipx.h>
+-#include <netrom/netrom.h>
+#include <linux/if_ppp.h>
+#include <linux/ax25.h>
+#include <linux/ipx.h>
+#include <linux/netrom.h>
+ #if HAVE_RPC_XDR_H
+ # include <rpc/xdr.h>
+ #elif HAVE_TIRPC_RPC_XDR_H
+@@ -251,7 +256,7 @@ namespace __sanitizer {
+   unsigned struct_itimerspec_sz = sizeof(struct itimerspec);
+ #endif // SANITIZER_LINUX || SANITIZER_FREEBSD
+ 
+-#if SANITIZER_LINUX && !SANITIZER_ANDROID
+#if SANITIZER_LINUX && !SANITIZER_ANDROID && !SANITIZER_NONGNU
+   // Use pre-computed size of struct ustat to avoid <sys/ustat.h> which
+   // has been removed from glibc 2.28.
+ #if defined(__aarch64__) || defined(__s390x__) || defined (__mips64) \
+@@ -322,7 +327,7 @@ unsigned struct_ElfW_Phdr_sz = sizeof(ElfW(Phdr));
+ unsigned struct_ElfW_Phdr_sz = sizeof(Elf_Phdr);
+ #endif
+ 
+-#if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
+#if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID && !SANITIZER_NONGNU
+   int glob_nomatch = GLOB_NOMATCH;
+   int glob_altdirfunc = GLOB_ALTDIRFUNC;
+ #endif
+@@ -416,7 +421,7 @@ unsigned struct_ElfW_Phdr_sz = sizeof(Elf_Phdr);
+   unsigned struct_termios_sz = sizeof(struct termios);
+   unsigned struct_winsize_sz = sizeof(struct winsize);
+ 
+-#if SANITIZER_LINUX
+#if SANITIZER_LINUX && !SANITIZER_NONGNU
+   unsigned struct_arpreq_sz = sizeof(struct arpreq);
+   unsigned struct_cdrom_msf_sz = sizeof(struct cdrom_msf);
+   unsigned struct_cdrom_multisession_sz = sizeof(struct cdrom_multisession);
+@@ -466,7 +471,7 @@ unsigned struct_ElfW_Phdr_sz = sizeof(Elf_Phdr);
+   unsigned struct_vt_mode_sz = sizeof(struct vt_mode);
+ #endif // SANITIZER_LINUX || SANITIZER_FREEBSD
+ 
+-#if SANITIZER_LINUX && !SANITIZER_ANDROID
+#if SANITIZER_LINUX && !SANITIZER_ANDROID && !SANITIZER_NONGNU
+   unsigned struct_ax25_parms_struct_sz = sizeof(struct ax25_parms_struct);
+   unsigned struct_cyclades_monitor_sz = sizeof(struct cyclades_monitor);
+ #if EV_VERSION > (0x010000)
+@@ -834,7 +839,7 @@ unsigned struct_ElfW_Phdr_sz = sizeof(Elf_Phdr);
+   unsigned IOCTL_VT_WAITACTIVE = VT_WAITACTIVE;
+ #endif // SANITIZER_LINUX || SANITIZER_FREEBSD
+ 
+-#if SANITIZER_LINUX && !SANITIZER_ANDROID
+#if SANITIZER_LINUX && !SANITIZER_ANDROID && !SANITIZER_NONGNU
+   unsigned IOCTL_CYGETDEFTHRESH = CYGETDEFTHRESH;
+   unsigned IOCTL_CYGETDEFTIMEOUT = CYGETDEFTIMEOUT;
+   unsigned IOCTL_CYGETMON = CYGETMON;
+@@ -989,7 +994,7 @@ CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_phdr);
+ CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_phnum);
+ #endif // SANITIZER_LINUX || SANITIZER_FREEBSD
+ 
+-#if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
+#if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID && !SANITIZER_NONGNU
+ CHECK_TYPE_SIZE(glob_t);
+ CHECK_SIZE_AND_OFFSET(glob_t, gl_pathc);
+ CHECK_SIZE_AND_OFFSET(glob_t, gl_pathv);
+@@ -1023,6 +1028,7 @@ CHECK_TYPE_SIZE(iovec);
+ CHECK_SIZE_AND_OFFSET(iovec, iov_base);
+ CHECK_SIZE_AND_OFFSET(iovec, iov_len);
+ 
+#if !SANITIZER_NONGNU
+ CHECK_TYPE_SIZE(msghdr);
+ CHECK_SIZE_AND_OFFSET(msghdr, msg_name);
+ CHECK_SIZE_AND_OFFSET(msghdr, msg_namelen);
+@@ -1036,6 +1042,7 @@ CHECK_TYPE_SIZE(cmsghdr);
+ CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_len);
+ CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_level);
+ CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_type);
+#endif
+ 
+ #ifndef __GLIBC_PREREQ
+ #define __GLIBC_PREREQ(x, y) 0
+@@ -1145,7 +1152,7 @@ CHECK_SIZE_AND_OFFSET(mntent, mnt_passno);
+ 
+ CHECK_TYPE_SIZE(ether_addr);
+ 
+-#if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
+#if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID && !SANITIZER_NONGNU
+ CHECK_TYPE_SIZE(ipc_perm);
+ # if SANITIZER_FREEBSD
+ CHECK_SIZE_AND_OFFSET(ipc_perm, key);
+@@ -1206,7 +1213,7 @@ CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_dstaddr);
+ CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_data);
+ #endif
+ 
+-#if SANITIZER_LINUX
+#if SANITIZER_LINUX && !SANITIZER_NONGNU
+ COMPILER_CHECK(sizeof(__sanitizer_mallinfo) == sizeof(struct mallinfo));
+ #endif
+ 
+@@ -1256,7 +1263,7 @@ COMPILER_CHECK(__sanitizer_XDR_DECODE == XDR_DECODE);
+ COMPILER_CHECK(__sanitizer_XDR_FREE == XDR_FREE);
+ #endif
+ 
+-#if SANITIZER_LINUX && !SANITIZER_ANDROID
+#if SANITIZER_LINUX && !SANITIZER_ANDROID && !SANITIZER_NONGNU
+ COMPILER_CHECK(sizeof(__sanitizer_FILE) <= sizeof(FILE));
+ CHECK_SIZE_AND_OFFSET(FILE, _flags);
+ CHECK_SIZE_AND_OFFSET(FILE, _IO_read_ptr);
+@@ -1275,7 +1282,7 @@ CHECK_SIZE_AND_OFFSET(FILE, _chain);
+ CHECK_SIZE_AND_OFFSET(FILE, _fileno);
+ #endif
+ 
+-#if SANITIZER_LINUX && !SANITIZER_ANDROID
+#if SANITIZER_LINUX && !SANITIZER_ANDROID && !SANITIZER_NONGNU
+ COMPILER_CHECK(sizeof(__sanitizer__obstack_chunk) <= sizeof(_obstack_chunk));
+ CHECK_SIZE_AND_OFFSET(_obstack_chunk, limit);
+ CHECK_SIZE_AND_OFFSET(_obstack_chunk, prev);
+diff --git a/lib/tsan/rtl/tsan_platform_linux.cc b/lib/tsan/rtl/tsan_platform_linux.cc
+index de989b780..51a97b554 100644
+--- a/lib/tsan/rtl/tsan_platform_linux.cc
+++ b/lib/tsan/rtl/tsan_platform_linux.cc
+@@ -294,7 +294,7 @@ void InitializePlatform() {
+ // This is required to properly "close" the fds, because we do not see internal
+ // closes within glibc. The code is a pure hack.
+ int ExtractResolvFDs(void *state, int *fds, int nfd) {
+-#if SANITIZER_LINUX && !SANITIZER_ANDROID
+#if SANITIZER_LINUX && !SANITIZER_ANDROID && !SANITIZER_NONGNU
+   int cnt = 0;
+   struct __res_state *statp = (struct __res_state*)state;
+   for (int i = 0; i < MAXNS && cnt < nfd; i++) {
+-- 
+2.19.0
+
--- a/pkgs/development/libraries/libappindicator/default.nix
+++ b/pkgs/development/libraries/libappindicator/default.nix
@ -1,11 +1,11 @@
 # TODO: Resolve the issues with the Mono bindings.

-{ stdenv, fetchurl, fetchpatch, lib
+{ stdenv, fetchgit, lib
 , pkgconfig, autoreconfHook
 , glib, dbus-glib, gtkVersion ? "3"
 , gtk2 ? null, libindicator-gtk2 ? null, libdbusmenu-gtk2 ? null
 , gtk3 ? null, libindicator-gtk3 ? null, libdbusmenu-gtk3 ? null
-, vala, gobject-introspection
+, gtk-doc, vala, gobject-introspection
 , monoSupport ? false, mono ? null, gtk-sharp-2_0 ? null
 }:

@ -15,18 +15,17 @@ with lib;
 stdenv.mkDerivation rec {
  name = let postfix = if gtkVersion == "2" && monoSupport then "sharp" else "gtk${gtkVersion}";
          in "libappindicator-${postfix}-${version}";
-  version = "${versionMajor}.${versionMinor}";
-  versionMajor = "12.10";
-  versionMinor = "0";
+  version = "12.10.1+20.10.20200706.1";

  outputs = [ "out" "dev" ];

-  src = fetchurl {
-    url = "${meta.homepage}/${versionMajor}/${version}/+download/libappindicator-${version}.tar.gz";
-    sha256 = "17xlqd60v0zllrxp8bgq3k5a1jkj0svkqn8rzllcyjh8k0gpr46m";
+  src = fetchgit {
+    url = "https://git.launchpad.net/ubuntu/+source/libappindicator";
+    rev = "fe25e53bc7e39cd59ad6b3270cd7a6a9c78c4f44";
+    sha256 = "0xjvbl4gn7ra2fs6gn2g9s787kzb5cg9hv79iqsz949rxh4iw32d";
  };

-  nativeBuildInputs = [ pkgconfig autoreconfHook vala gobject-introspection ];
+  nativeBuildInputs = [ pkgconfig autoreconfHook vala gobject-introspection gtk-doc ];

  propagatedBuildInputs =
    if gtkVersion == "2"
@ -39,14 +38,9 @@ stdenv.mkDerivation rec {
    then [ libindicator-gtk2 ] ++ optionals monoSupport [ mono gtk-sharp-2_0 ]
    else [ libindicator-gtk3 ]);

-  patches = [
-    # Remove python2 from libappindicator.
-    (fetchpatch {
-      name = "no-python.patch";
-      url = "https://src.fedoraproject.org/rpms/libappindicator/raw/8508f7a52437679fd95a79b4630373f08315f189/f/nopython.patch";
-      sha256 = "18b1xzvwsbhhfpbzf5zragij4g79pa04y1dk6v5ci1wsjvii725s";
-    })
-  ];
+  preAutoreconf = ''
+    gtkdocize
+  '';

  configureFlags = [
    "CFLAGS=-Wno-error"
--- a/pkgs/development/libraries/muparserx/default.nix
+++ b/pkgs/development/libraries/muparserx/default.nix
@ -0,0 +1,42 @@
+{ stdenv
+, fetchFromGitHub
+, cmake
+}:
+
+stdenv.mkDerivation rec {
+  pname = "muparserx";
+  version = "4.0.8";
+
+  src = fetchFromGitHub {
+    owner = "beltoforion";
+    repo = "muparserx";
+    rev = "v${version}";
+    sha256 = "097pkdffv0phr0345hy06mjm5pfy259z13plsvbxvcmds80wl48v";
+  };
+
+  nativeBuildInputs = [ cmake ];
+
+  cmakeFlags = [
+    "-DCMAKE_BUILD_TYPE=Release"
+  ];
+
+  doCheck = true;
+  checkPhase = ''
+    echo "***Muparserx self-test***"
+    echo "quit" | ./example > test_result.log
+    cat test_result.log
+    if grep -Fqi "failed" test_result.log; then
+      echo ">=1 muparserx tests failed"
+      exit 1
+    else
+      echo -e "\nmuparserx tests succeeded"
+    fi
+  '';
+
+  meta = with stdenv.lib; {
+    description = "A C++ Library for Parsing Expressions with Strings, Complex Numbers, Vectors, Matrices and more.";
+    homepage = "https://beltoforion.de/en/muparserx/";
+    license = licenses.bsd2;
+    maintainers = with maintainers; [ drewrisinger ];
+  };
+}
--- a/pkgs/development/libraries/pcre2/default.nix
+++ b/pkgs/development/libraries/pcre2/default.nix
@ -11,8 +11,7 @@ stdenv.mkDerivation rec {
  configureFlags = [
    "--enable-pcre2-16"
    "--enable-pcre2-32"
-    "--enable-jit"
-  ];
+  ] ++ stdenv.lib.optional (!stdenv.hostPlatform.isRiscV) "--enable-jit";

  outputs = [ "bin" "dev" "out" "doc" "man" "devdoc" ];

--- a/pkgs/development/libraries/qt-5/modules/qtwebengine.nix
+++ b/pkgs/development/libraries/qt-5/modules/qtwebengine.nix
@ -15,7 +15,7 @@
 , gn
 , cups, darwin, openbsm, runCommand, xcbuild, writeScriptBin
 , ffmpeg_3 ? null
-, lib, stdenv
+, lib, stdenv, fetchpatch
 }:

 with stdenv.lib;
@ -38,6 +38,17 @@ qtModule {
  # which cannot be set at the same time as -Wformat-security
  hardeningDisable = [ "format" ];

+  patches = [
+    # Fix build with bison-3.7: https://code.qt.io/cgit/qt/qtwebengine-chromium.git/commit/?id=1a53f599
+    (fetchpatch {
+      name = "qtwebengine-bison-3.7-build.patch";
+      url = "https://code.qt.io/cgit/qt/qtwebengine-chromium.git/patch/?id=1a53f599";
+      sha256 = "1nqpyn5fq37q7i9nasag6i14lnz0d7sld5ikqhlm8qwq9d7gbmjy";
+      stripLen = 1;
+      extraPrefix = "src/3rdparty/";
+    })
+  ];
+
  postPatch =
    # Patch Chromium build tools
    ''
--- a/pkgs/development/libraries/sope/default.nix
+++ b/pkgs/development/libraries/sope/default.nix
@ -1,13 +1,13 @@
 { gnustep, lib, fetchFromGitHub , libxml2, openssl_1_1
 , openldap, mysql, libmysqlclient, postgresql }: with lib; gnustep.stdenv.mkDerivation rec {
  pname = "sope";
-  version = "4.3.2";
+  version = "5.0.0";

  src = fetchFromGitHub {
    owner = "inverse-inc";
    repo = pname;
    rev = "SOPE-${version}";
-    sha256 = "0ny1ihx38gd25w8f3dfybyswvyjfljvb2fhfmkajgg6hhjrkfar2";
+    sha256 = "sha256-7NM9wcyHDSVmjjqu489Ff3iJgl9VM+UBF3XYWoiHHTg=";
  };

  nativeBuildInputs = [ gnustep.make ];
--- a/pkgs/development/libraries/vid-stab/default.nix
+++ b/pkgs/development/libraries/vid-stab/default.nix
@ -1,22 +1,25 @@
-{ stdenv, fetchurl, cmake }:
+{ stdenv, fetchFromGitHub, cmake, openmp }:

 stdenv.mkDerivation rec {
-  pname = "vid-stab";
-  version = "0.98b";
+  pname = "vid.stab";
+  version = "1.1.0";

-  src = fetchurl {
-    url = "https://github.com/georgmartius/vid.stab/archive/release-${version}.tar.gz";
-    sha256 = "09fh6xbd1f5xp3il3dpvr87skmnp2mm2hfmg4s9rvj4y8zvhn3sk";
+  src = fetchFromGitHub {
+    owner = "georgmartius";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "0a3frpm2kdbx7vszhg64p3alisag73bcspl7fp3a2f1kgq7rbh38";
  };

  nativeBuildInputs = [ cmake ];

+  buildInputs = stdenv.lib.optionals stdenv.cc.isClang [ openmp ];
+
  meta = with stdenv.lib; {
    description = "Video stabilization library";
-    homepage    = "http://public.hronopik.de/vid.stab/";
-    license     = licenses.gpl2;
+    homepage = "http://public.hronopik.de/vid.stab/";
+    license = licenses.gpl2Plus;
    maintainers = with maintainers; [ codyopel ];
-    platforms   = platforms.all;
+    platforms = platforms.all;
  };
 }
-
--- a/pkgs/development/python-modules/multitasking/default.nix
+++ b/pkgs/development/python-modules/multitasking/default.nix
@ -0,0 +1,25 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+}:
+
+buildPythonPackage rec {
+  pname = "multitasking";
+  version = "0.0.9";
+
+  # GitHub source releases aren't tagged
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "b59d99f709d2e17d60ccaa2be09771b6e9ed9391c63f083c0701e724f624d2e0";
+  };
+
+  doCheck = false;  # No tests included
+  pythonImportsCheck = [ "multitasking" ];
+
+  meta = with lib; {
+    description = "Non-blocking Python methods using decorators";
+    homepage = "https://github.com/ranaroussi/multitasking";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ drewrisinger ];
+  };
+}
--- a/pkgs/development/python-modules/pylatexenc/default.nix
+++ b/pkgs/development/python-modules/pylatexenc/default.nix
@ -6,13 +6,13 @@

 buildPythonPackage rec {
  pname = "pylatexenc";
-  version = "2.4";
+  version = "2.7";

  src = fetchFromGitHub {
    owner = "phfaist";
    repo = "pylatexenc";
    rev = "v${version}";
-    sha256 = "0i4frypbv90mjir8bkp03cwkvwhgvc9p3fw6q2jz1dn7fw94v2rv";
+    sha256 = "1hpcwbknfah3mky2m4asw15b9qdvv4k5ni0js764n1jpi83m1zgk";
  };

  pythonImportsCheck = [ "pylatexenc" ];
--- a/pkgs/development/python-modules/qiskit-aer/default.nix
+++ b/pkgs/development/python-modules/qiskit-aer/default.nix
@ -6,6 +6,9 @@
 , cmake
 , cvxpy
 , cython
+, muparserx
+, ninja
+, nlohmann_json
 , numpy
 , openblas
 , pybind11
@ -19,7 +22,7 @@

 buildPythonPackage rec {
  pname = "qiskit-aer";
-  version = "0.5.2";
+  version = "0.6.1";

  disabled = pythonOlder "3.5";

@ -27,18 +30,20 @@ buildPythonPackage rec {
    owner = "Qiskit";
    repo = "qiskit-aer";
    rev = version;
-    fetchSubmodules = true; # fetch muparserx and other required libraries
-    sha256 = "0vw6b69h8pvzxhaz3k8sg9ac792gz3kklfv0izs6ra83y1dfwhjz";
+    sha256 = "1fnv11diis0as8zcc57mamz0gbjd6vj7nw3arxzvwa77ja803sr4";
  };

  nativeBuildInputs = [
    cmake
+    ninja
    scikit-build
  ];

  buildInputs = [
    openblas
    spdlog
+    nlohmann_json
+    muparserx
  ];

  propagatedBuildInputs = [
@ -48,10 +53,10 @@ buildPythonPackage rec {
    pybind11
  ];

-  postPatch = ''
-    # remove dependency on PyPi cmake package, which isn't in Nixpkgs
-    substituteInPlace setup.py --replace "'cmake!=3.17,!=3.17.0'" ""
-  '';
+  patches = [
+    # TODO: remove in favor of qiskit-aer PR #877 patch once accepted/stable
+    ./remove-conan-install.patch
+  ];

  dontUseCmakeConfigure = true;

@ -60,11 +65,6 @@ buildPythonPackage rec {
    "-DAER_THRUST_BACKEND=OMP"
  ];

-  # Needed to find qiskit.providers.aer modules in cython. This exists in GitHub, don't know why it isn't copied by default
-  postFixup = ''
-    touch $out/${python.sitePackages}/qiskit/__init__.pxd
-  '';
-
  # *** Testing ***

  pythonImportsCheck = [
@ -77,11 +77,6 @@ buildPythonPackage rec {
    pytestCheckHook
  ];
  dontUseSetuptoolsCheck = true;  # Otherwise runs tests twice
-  disabledTests = [
-    # broken with cvxpy >= 1.1.0, see https://github.com/Qiskit/qiskit-aer/issues/779.
-    # TODO: Remove once resolved, probably next qiskit-aer version
-    "test_clifford"
-  ];

  preCheck = ''
    # Tests include a compiled "circuit" which is auto-built in $HOME
@ -100,11 +95,8 @@ buildPythonPackage rec {
    description = "High performance simulators for Qiskit";
    homepage = "https://qiskit.org/aer";
    downloadPage = "https://github.com/QISKit/qiskit-aer/releases";
+    changelog = "https://qiskit.org/documentation/release_notes.html";
    license = licenses.asl20;
    maintainers = with maintainers; [ drewrisinger ];
-    # Doesn't build on aarch64 (libmuparserx issue).
-    # Can fix by building muparserx from source (https://github.com/beltoforion/muparserx)
-    # or in future updates (e.g. Raspberry Pi enabled via https://github.com/Qiskit/qiskit-aer/pull/651 & https://github.com/Qiskit/qiskit-aer/pull/660)
-    platforms = platforms.x86_64;
  };
 }
--- a/pkgs/development/python-modules/qiskit-aer/remove-conan-install.patch
+++ b/pkgs/development/python-modules/qiskit-aer/remove-conan-install.patch
@ -0,0 +1,63 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index efeacfc..77bd6bd 100755
+--- a/CMakeLists.txt
+++ b/CMakeLists.txt
+@@ -121,7 +121,11 @@ endif()
+ # Looking for external libraries
+ #
+ 
+-setup_conan()
+find_package(muparserx REQUIRED)
+find_package(nlohmann_json REQUIRED)
+find_package(spdlog REQUIRED)
+# for tests only
+find_package(catch2)
+ 
+ # If we do not set them with a space CMake fails afterwards if nothing is set for this vars!
+ set(AER_LINKER_FLAGS " ")
+@@ -269,16 +273,16 @@ endif()
+ set(AER_LIBRARIES
+ 	${AER_LIBRARIES}
+ 	${BLAS_LIBRARIES}
+-	CONAN_PKG::nlohmann_json
+	nlohmann_json
+ 	Threads::Threads
+-	CONAN_PKG::spdlog
+	spdlog
+ 	${DL_LIB}
+ 	${THRUST_DEPENDANT_LIBS})
+ 
+ set(AER_COMPILER_DEFINITIONS ${AER_COMPILER_DEFINITIONS} ${CONAN_DEFINES})
+ # Cython build is only enabled if building through scikit-build.
+ if(SKBUILD) # Terra Addon build
+-	set(AER_LIBRARIES ${AER_LIBRARIES} CONAN_PKG::muparserx)
+	set(AER_LIBRARIES ${AER_LIBRARIES} muparserx)
+ 	add_subdirectory(qiskit/providers/aer/pulse/qutip_extra_lite/cy)
+ 	add_subdirectory(qiskit/providers/aer/backends/wrappers)
+ 	add_subdirectory(src/open_pulse)
+diff --git a/setup.py b/setup.py
+index fd71e9f..1561cc4 100644
+--- a/setup.py
+++ b/setup.py
+@@ -11,12 +11,6 @@ import inspect
+ 
+ PACKAGE_NAME = os.getenv('QISKIT_AER_PACKAGE_NAME', 'qiskit-aer')
+ 
+-try:
+-    from conans import client
+-except ImportError:
+-    subprocess.call([sys.executable, '-m', 'pip', 'install', 'conan'])
+-    from conans import client
+-
+ try:
+     from skbuild import setup
+ except ImportError:
+@@ -46,8 +40,6 @@ common_requirements = [
+ 
+ setup_requirements = common_requirements + [
+     'scikit-build',
+-    'cmake!=3.17,!=3.17.0',
+-    'conan>=1.22.2'
+ ]
+ 
+ requirements = common_requirements + ['qiskit-terra>=0.12.0']
--- a/pkgs/development/python-modules/qiskit-aqua/default.nix
+++ b/pkgs/development/python-modules/qiskit-aqua/default.nix
@ -2,6 +2,7 @@
 , pythonOlder
 , buildPythonPackage
 , fetchFromGitHub
+, fetchpatch
 # , cplex
 , cvxpy
 , dlx
@ -16,6 +17,7 @@
 , qiskit-terra
 , quandl
 , scikitlearn
+, yfinance
  # Check Inputs
 , ddt
 , pytestCheckHook
@ -24,7 +26,7 @@

 buildPythonPackage rec {
  pname = "qiskit-aqua";
-  version = "0.7.3";
+  version = "0.7.5";

  disabled = pythonOlder "3.5";

@ -33,9 +35,18 @@ buildPythonPackage rec {
    owner = "Qiskit";
    repo = "qiskit-aqua";
    rev = version;
-    sha256 = "04zcnrc0vi6dfjahp1019h2ngdgi7l7jvfs9aw0y306nd9g6qgjc";
+    sha256 = "19sdv7lnc4b1c86rd1dv7pjpi8cmrpzbv7nav0fb899ki8ldqdwq";
  };

+  # TODO: remove in next release
+  patches = [
+    (fetchpatch {
+      name = "qiskit-aqua-fix-test-issue-1214.patch";
+      url = "https://github.com/Qiskit/qiskit-aqua/commit/284a4323192ac85787b22cbe5f344996fae16f7d.patch";
+      sha256 = "0zl8hqa2fq9ng793x4dhh0ny67nnbjcd8l1cdsaaab4ca1y0xcfr";
+    })
+  ];
+
  # Optional packages: pyscf (see below NOTE) & pytorch. Can install via pip/nix if needed.
  propagatedBuildInputs = [
    # cplex
@ -51,6 +62,7 @@ buildPythonPackage rec {
    qiskit-ignis
    quandl
    scikitlearn
+    yfinance
  ];

  # *** NOTE ***
@ -105,8 +117,9 @@ buildPythonPackage rec {
    # Disabled due to missing pyscf
    "test_validate" # test/chemistry/test_inputparser.py

-    "test_binary" # in SklearnSVM, seems to have trouble with eigenvectors converging
-    "test_pauli_expect_single"  # fails for unknown reason, 3e-3 out of tolerance
+    # Online tests
+    "test_exchangedata"
+    "test_yahoo"

    # Disabling slow tests > 10 seconds
    "TestVQE"
@ -119,7 +132,6 @@ buildPythonPackage rec {
    "TestQGAN"
    "test_evaluate_qasm_mode"
    "test_measurement_error_mitigation_auto_refresh"
-    "test_exchangedata"
    "test_wikipedia"
    "test_shor_factoring_1__15___qasm_simulator____3__5__"
    "test_readme_sample"
@ -138,11 +150,13 @@ buildPythonPackage rec {
    "test_oh"
    "test_confidence_intervals_00001"
    "test_eoh"
+    "test_qasm_5"
  ];

  meta = with lib; {
    description = "An extensible library of quantum computing algorithms";
    homepage = "https://github.com/QISKit/qiskit-aqua";
+    changelog = "https://qiskit.org/documentation/release_notes.html";
    license = licenses.asl20;
    maintainers = with maintainers; [ drewrisinger ];
  };
--- a/pkgs/development/python-modules/qiskit-ibmq-provider/default.nix
+++ b/pkgs/development/python-modules/qiskit-ibmq-provider/default.nix
@ -26,7 +26,7 @@

 buildPythonPackage rec {
  pname = "qiskit-ibmq-provider";
-  version = "0.7.2";
+  version = "0.8.0";

  disabled = pythonOlder "3.6";

@ -34,7 +34,7 @@ buildPythonPackage rec {
    owner = "Qiskit";
    repo = pname;
    rev = version;
-    sha256 = "11h1ca4v11pajzn1cxqhim1hfziqzj27xzakwln13g8zmiqx3csp";
+    sha256 = "0rrpwr4a82j69j5ibl2g0nw8wbpg201cfz6f234k2v6pj500x9nl";
  };

  propagatedBuildInputs = [
@ -85,6 +85,7 @@ buildPythonPackage rec {
  meta = with lib; {
    description = "Qiskit provider for accessing the quantum devices and simulators at IBMQ";
    homepage = "https://github.com/Qiskit/qiskit-ibmq-provider";
+    changelog = "https://qiskit.org/documentation/release_notes.html";
    license = licenses.asl20;
    maintainers = with maintainers; [ drewrisinger ];
  };
--- a/pkgs/development/python-modules/qiskit-ignis/default.nix
+++ b/pkgs/development/python-modules/qiskit-ignis/default.nix
@ -9,14 +9,15 @@
 , scikitlearn
 , scipy
  # Check Inputs
-, ddt
 , pytestCheckHook
+, ddt
+, pyfakefs
 , qiskit-aer
 }:

 buildPythonPackage rec {
  pname = "qiskit-ignis";
-  version = "0.3.3";
+  version = "0.4.0";

  disabled = pythonOlder "3.6";

@ -25,7 +26,7 @@ buildPythonPackage rec {
    owner = "Qiskit";
    repo = "qiskit-ignis";
    rev = version;
-    sha256 = "0sy9qpw0jqirsk9y61j5kr18jrw1wa812n7y98fjj6w668rrv560";
+    sha256 = "07mxhaknkp121xm6mgrpcrbj9qw6j924ra3k0s6vr8qgvfcxvh0y";
  };

  propagatedBuildInputs = [
@ -41,18 +42,21 @@ buildPythonPackage rec {
  dontUseSetuptoolsCheck = true;
  preCheck = "export HOME=$TMPDIR";
  checkInputs = [
-    ddt
    pytestCheckHook
+    ddt
+    pyfakefs
    qiskit-aer
  ];
-  # Test is in test/verification/test_entanglemet.py. test fails due to out-of-date calls & bad logic with this file since qiskit-ignis#328
-  # see qiskit-ignis#386 for all issues. Should be able to re-enable in future.
-  disabledTests = [ "TestEntanglement" ];
+  disabledTests = [
+    "test_tensored_meas_cal_on_circuit" # Flaky test, occasionally returns result outside bounds
+    "test_qv_fitter"  # execution hangs, ran for several minutes
+  ];

  meta = with lib; {
    description = "Qiskit tools for quantum hardware verification, noise characterization, and error correction";
    homepage = "https://qiskit.org/ignis";
    downloadPage = "https://github.com/QISKit/qiskit-ignis/releases";
+    changelog = "https://qiskit.org/documentation/release_notes.html";
    license = licenses.asl20;
    maintainers = with maintainers; [ drewrisinger ];
  };
--- a/pkgs/development/python-modules/qiskit-terra/default.nix
+++ b/pkgs/development/python-modules/qiskit-terra/default.nix
@ -8,12 +8,11 @@
 , fastjsonschema
 , jsonschema
 , numpy
-, marshmallow
-, marshmallow-polyfield
 , networkx
 , ply
 , psutil
 , python-constraint
+, python-dateutil
 , retworkx
 , scipy
 , sympy
@ -36,7 +35,7 @@

 buildPythonPackage rec {
  pname = "qiskit-terra";
-  version = "0.14.2";
+  version = "0.15.1";

  disabled = pythonOlder "3.5";

@ -44,7 +43,7 @@ buildPythonPackage rec {
    owner = "Qiskit";
    repo = pname;
    rev = version;
-    sha256 = "0p5wapjvy81pnks100xbb23kbs2wyys9ykyc8z4968wl487lq4g5";
+    sha256 = "1p7y36gj3675dmp05nwi0m9nc7h0bwyimir3ncf9wbkx3crrh99c";
  };

  nativeBuildInputs = [ cython ];
@ -54,13 +53,12 @@ buildPythonPackage rec {
    fastjsonschema
    jsonschema
    numpy
-    marshmallow
-    marshmallow-polyfield
    matplotlib
    networkx
    ply
    psutil
    python-constraint
+    python-dateutil
    retworkx
    scipy
    sympy
@ -74,10 +72,6 @@ buildPythonPackage rec {
    seaborn
  ];

-  postPatch = ''
-    # Fix relative imports in tests
-    touch test/python/dagcircuit/__init__.py
-  '';

  # *** Tests ***
  checkInputs = [
@ -94,9 +88,6 @@ buildPythonPackage rec {
    "qiskit.transpiler.passes.routing.cython.stochastic_swap.swap_trial"
  ];

-  disabledTests = [
-    "test_random_clifford_valid"  # random test, fails at least once when testing locally.
-  ];
  pytestFlagsArray = [
    "--ignore=test/randomized/test_transpiler_equivalence.py" # collection requires qiskit-aer, which would cause circular dependency
  ];
@ -106,9 +97,9 @@ buildPythonPackage rec {
  preCheck = ''
    export PACKAGEDIR=$out/${python.sitePackages}
    echo "Moving Qiskit test files to package directory"
-    cp -r $TMP/source/test $PACKAGEDIR
-    cp -r $TMP/source/examples $PACKAGEDIR
-    cp -r $TMP/source/qiskit/schemas/examples $PACKAGEDIR/qiskit/schemas/
+    cp -r $TMP/$sourceRoot/test $PACKAGEDIR
+    cp -r $TMP/$sourceRoot/examples $PACKAGEDIR
+    cp -r $TMP/$sourceRoot/qiskit/schemas/examples $PACKAGEDIR/qiskit/schemas/

    # run pytest from Nix's $out path
    pushd $PACKAGEDIR
@ -127,6 +118,7 @@ buildPythonPackage rec {
    '';
    homepage = "https://qiskit.org/terra";
    downloadPage = "https://github.com/QISKit/qiskit-terra/releases";
+    changelog = "https://qiskit.org/documentation/release_notes.html";
    license = licenses.asl20;
    maintainers = with maintainers; [ drewrisinger ];
  };
--- a/pkgs/development/python-modules/qiskit/default.nix
+++ b/pkgs/development/python-modules/qiskit/default.nix
@ -15,7 +15,7 @@
 buildPythonPackage rec {
  pname = "qiskit";
  # NOTE: This version denotes a specific set of subpackages. See https://qiskit.org/documentation/release_notes.html#version-history
-  version = "0.19.6";
+  version = "0.20.0";

  disabled = pythonOlder "3.5";

@ -23,7 +23,7 @@ buildPythonPackage rec {
    owner = "Qiskit";
    repo = "qiskit";
    rev = version;
-    sha256 = "0liby6ffgrla6wr4k742qkg8m80im372p6hmr4gkz47nmc76zy1i";
+    sha256 = "1r23pjnql49gczf4k4m6ir5rr95gqdxjrks60p8a93d243mxx3c9";
  };

  propagatedBuildInputs = [
@ -36,14 +36,21 @@ buildPythonPackage rec {

  checkInputs = [ pytestCheckHook ];
  dontUseSetuptoolsCheck = true;
-  # following doesn't work b/c they are distributed across different nix sitePackages dirs. Tested with pytest though.
-  pythonImportsCheck = [ "qiskit" "qiskit.circuit" "qiskit.ignis" "qiskit.providers.aer" "qiskit.aqua" ];

-  meta = {
+  pythonImportsCheck = [
+    "qiskit"
+    "qiskit.aqua"
+    "qiskit.circuit"
+    "qiskit.ignis"
+    "qiskit.providers.aer"
+  ];
+
+  meta = with lib; {
    description = "Software for developing quantum computing programs";
    homepage = "https://qiskit.org";
    downloadPage = "https://github.com/QISKit/qiskit/releases";
-    license = lib.licenses.asl20;
-    maintainers = with lib.maintainers; [ drewrisinger pandaman ];
+    changelog = "https://qiskit.org/documentation/release_notes.html";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ drewrisinger pandaman ];
  };
 }
--- a/pkgs/development/python-modules/retworkx/default.nix
+++ b/pkgs/development/python-modules/retworkx/default.nix
@ -1,53 +1,60 @@
 { lib
-, buildPythonPackage
-, pythonOlder
-, pythonAtLeast
+, rustPlatform
 , python
+, fetchpatch
 , fetchFromGitHub
-, fetchPypi
+, pipInstallHook
+, maturin
+, pip
  # Check inputs
 , pytestCheckHook
+, numpy
 }:
-let
-  rx-version = "0.3.4";

-  wheel-hashes = {
-    "3.7" = { python = "cp37"; sha256 = "1hfrdj8svkfdraa299gcj18a601l4zn646fkgq7m56brpagssf9l"; };
-    "3.8" = { python = "cp38"; sha256 = "0jm10ywaqr0b456pcp01pb7035nawlndfi998jv8p1a2f5xwjgiq"; };
-  };
-  lookup = set: key: default: if (builtins.hasAttr key set) then (builtins.getAttr key set) else default;
-  wheel-args = lookup
-    wheel-hashes
-    python.pythonVersion
-    (throw "retworkx python version & hash not included. Override attribute `wheel-args` with version & hash at https://pypi.org/project/retworkx");
+rustPlatform.buildRustPackage rec {
+  pname = "retworkx";
+  version = "0.4.0";

-  github-source = fetchFromGitHub {
+  src = fetchFromGitHub {
    owner = "Qiskit";
    repo = "retworkx";
-    rev = rx-version;
-    sha256 = "0cd3x64y49q9a3jrkiknlfkiccxkxgl624x5pqk7gm34s1lnzl8h";
-  };
-in
-buildPythonPackage rec {
-  pname = "retworkx";
-  version = rx-version;
-  format = "wheel";
-
-  disabled = pythonOlder "3.5" || pythonAtLeast "3.9"; # compiled versions only included for 3.5 <= py <= 3.8
-
-  src = fetchPypi {
-    inherit pname version format;
-    inherit (wheel-args) python sha256;
-    abi = if pythonOlder "3.8" then "${wheel-args.python}m" else wheel-args.python;
-    platform = "manylinux2010_x86_64"; # i686, aarch64, and ppc64 also available, restricting to x86 for simplicity
+    rev = version;
+    sha256 = "1xqp6d39apkjvd0ad9vw81cp2iqzhpagfa4p171xqm3bwfn2imdc";
  };

-  pythonImportsCheck = [ "retworkx" ];
+  cargoSha256 = "0bma0l14jv5qhcsxck7vw3ak1w3c8v84cq4hii86i4iqk523zns5";
+  cargoPatches = [
+      ( fetchpatch {
+        name = "retworkx-cargo-lock.patch";
+        url = "https://github.com/Qiskit/retworkx/commit/a02fd33d357a92dbe9530696a6d85aa59fe8a5b9.patch";
+        sha256 = "0gvxr1nqp9ll4skfks4p4d964pshal25kb1nbfzhpyipnzddizr5";
+      } )
+  ];

-  checkInputs = [ pytestCheckHook ];
+  propagatedBuildInputs = [ python ];
+
+  nativeBuildInputs = [ pipInstallHook maturin pip ];
+
+  # Need to check AFTER python wheel is installed (b/c using Rust Build, not buildPythonPackage)
+  doCheck = false;
+  doInstallCheck = true;
+
+  buildPhase = ''
+    runHook preBuild
+    maturin build --release --manylinux off --strip --interpreter ${python.interpreter}
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    install -Dm644 -t dist target/wheels/*.whl
+    pipInstallPhase
+  '';
+
+  installCheckInputs = [ pytestCheckHook numpy ];
  preCheck = ''
-    pushd $(mktemp -d)
-    cp -r ${github-source}/$sourceRoot/tests .
+    export TESTDIR=$(mktemp -d)
+    cp -r $TMP/$sourceRoot/tests $TESTDIR
+    pushd $TESTDIR
  '';
  postCheck = "popd";

@ -55,8 +62,8 @@ buildPythonPackage rec {
    description = "A python graph library implemented in Rust.";
    homepage = "https://retworkx.readthedocs.io/en/latest/index.html";
    downloadPage = "https://github.com/Qiskit/retworkx/releases";
+    changelog = "https://github.com/Qiskit/retworkx/releases/tag/${version}";
    license = licenses.asl20;
    maintainers = with maintainers; [ drewrisinger ];
-    platforms = platforms.x86_64;
  };
 }
--- a/pkgs/development/python-modules/yfinance/default.nix
+++ b/pkgs/development/python-modules/yfinance/default.nix
@ -0,0 +1,36 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, multitasking
+, numpy
+, pandas
+, requests
+}:
+
+buildPythonPackage rec {
+  pname = "yfinance";
+  version = "0.1.54";
+
+  # GitHub source releases aren't tagged
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "cee223cbd31e14955869f7978bcf83776d644345c7dea31ba5d41c309bfb0d3d";
+  };
+
+  propagatedBuildInputs = [
+    multitasking
+    numpy
+    pandas
+    requests
+  ];
+
+  doCheck = false;  # Tests require internet access
+  pythonImportsCheck = [ "yfinance" ];
+
+  meta = with lib; {
+    description = "Yahoo! Finance market data downloader (+faster Pandas Datareader)";
+    homepage = "https://aroussi.com/post/python-yahoo-finance";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ drewrisinger ];
+  };
+}
--- a/pkgs/development/tools/alloy/default.nix
+++ b/pkgs/development/tools/alloy/default.nix
@ -44,7 +44,7 @@ let generic = { major, version, src }:
      homepage = "http://alloytools.org/";
      downloadPage = "http://alloytools.org/download.html";
      license = licenses.mit;
-      platforms = platforms.linux;
+      platforms = platforms.unix;
      maintainers = with maintainers; [ notbandali ];
    };
  };
--- a/pkgs/development/tools/analysis/flow/default.nix
+++ b/pkgs/development/tools/analysis/flow/default.nix
@ -2,13 +2,13 @@

 stdenv.mkDerivation rec {
  pname = "flow";
-  version = "0.131.0";
+  version = "0.132.0";

  src = fetchFromGitHub {
    owner  = "facebook";
    repo   = "flow";
    rev    = "refs/tags/v${version}";
-    sha256 = "13a7gfsnfyssyi3b48s0d9k34rim493rarxd2rdyxyr4ir7jnb1p";
+    sha256 = "1080kf2zxhbgz1zhm54w3hqbbvwpfllapcq4pgwahfyvf6zb86d7";
  };

  installPhase = ''
--- a/pkgs/development/tools/haskell/haskell-language-server/update.sh
+++ b/pkgs/development/tools/haskell/haskell-language-server/update.sh
@ -26,7 +26,7 @@ ghcide_old_version="$(sed -En 's/.*\bversion = "(.*?)".*/\1/p' "$ghcide_derivati
 # This is the revision of ghcide used by hls on GitHub.
 ghcide_new_version=$(curl --silent "https://api.github.com/repos/haskell/haskell-language-server/contents/ghcide" | jq '.sha' --raw-output)

-echo "Updating haskell-language-server from old version $ghcide_old_version to new version $ghcide_new_version."
+echo "Updating haskell-language-server's ghcide from old version $ghcide_old_version to new version $ghcide_new_version."
 echo "Running cabal2nix and outputting to ${ghcide_derivation_file}..."

 cabal2nix --revision "$ghcide_new_version" "https://github.com/wz1000/ghcide" > "$ghcide_derivation_file"
--- a/pkgs/development/tools/open-policy-agent/default.nix
+++ b/pkgs/development/tools/open-policy-agent/default.nix
@ -2,14 +2,14 @@

 buildGoPackage rec {
  pname = "open-policy-agent";
-  version = "0.22.0";
+  version = "0.23.2";

  goPackagePath = "github.com/open-policy-agent/opa";
  src = fetchFromGitHub {
    owner = "open-policy-agent";
    repo = "opa";
    rev = "v${version}";
-    sha256 = "1kndiiqf6b4j8zhv0ypjr9dfjgck25qiqa2bb0pmpm3j9460zzjs";
+    sha256 = "18hpanfrzg6xnq1g0yws6g0lw4y191pnrqphccv13j6kqk3k10ps";
  };
  goDeps = ./deps.nix;

--- a/pkgs/development/tools/vagrant/0004-Support-system-installed-plugins.patch
+++ b/pkgs/development/tools/vagrant/0004-Support-system-installed-plugins.patch
@ -1,7 +1,7 @@
 From: Antonio Terceiro <terceiro@debian.org>
 Date: Wed, 27 May 2015 09:36:17 -0300
 Subject: Support system-installed plugins
-Source: https://salsa.debian.org/ruby-team/vagrant/blob/cb672c6dc0c63f6552c5ec4d6d7d22929d353503/debian/patches/0004-Support-system-installed-plugins.patch
+Source: https://salsa.debian.org/ruby-team/vagrant/-/blob/9d86f222/debian/patches/0004-Support-system-installed-plugins.patch

 Plugins must be installed as regular Ruby libraries, and they must
 contain /usr/share/vagrant-plugins/plugins.d/$PLUGINNAME.json with the
@ -22,7 +22,7 @@ following content:
 2 files changed, 23 insertions(+), 3 deletions(-)

 diff --git a/lib/vagrant/plugin/manager.rb b/lib/vagrant/plugin/manager.rb
-index 567347d..d9d76a0 100644
+index 9058e68..2772131 100644
 --- a/lib/vagrant/plugin/manager.rb
 +++ b/lib/vagrant/plugin/manager.rb
@@ -18,7 +18,7 @@ module Vagrant
@ -80,17 +80,13 @@ index c6872d4..935d431 100644
       end
 
       # Add a plugin that is installed to the state file.
-@@ -107,6 +123,14 @@ module Vagrant
+@@ -107,6 +123,10 @@ module Vagrant
           f.close
           FileUtils.mv(f.path, @path)
         end
 +      rescue Errno::EACCES
 +        # Ignore permission denied against system-installed plugins; regular
 +        # users are not supposed to write there.
-+        raise unless @system
-+      rescue Errno::EROFS
-+        # Ignore read-only filesystem against system-installed plugins; regular
-+        # users are not supposed to write there.
 +        raise unless @system
       end
 
--- a/pkgs/development/tools/vagrant/default.nix
+++ b/pkgs/development/tools/vagrant/default.nix
@ -5,9 +5,9 @@
 let
  # NOTE: bumping the version and updating the hash is insufficient;
  # you must use bundix to generate a new gemset.nix in the Vagrant source.
-  version = "2.2.9";
+  version = "2.2.10";
  url = "https://github.com/hashicorp/vagrant/archive/v${version}.tar.gz";
-  sha256 = "0fbickjjliaw3cpkh3pl9bp56b2gcqn87c5ag67amc450ah43rdq";
+  sha256 = "07wlj4m79m9li3za1jkk4imdhqwpca86qz3c0h706s0w8cmv4bbj";

  deps = bundlerEnv rec {
    name = "${pname}-${version}";
@ -54,13 +54,6 @@ in buildRubyGem rec {
    ./unofficial-installation-nowarn.patch
    ./use-system-bundler-version.patch
    ./0004-Support-system-installed-plugins.patch
-
-    # fix deprecation warning on ruby 2.6.5.
-    # See also https://github.com/hashicorp/vagrant/pull/11307
-    (fetchpatch {
-      url = "https://github.com/hashicorp/vagrant/commit/d18ed567aaa5da23c9e91ab87f360e7bf6760f13.patch";
-      sha256 = "0f61qj41rc3fdggmnha4jrqg4pzmfiriwpsz4fcgf7c0bx6qha7q";
-    })
  ];

  postPatch = ''
--- a/pkgs/development/tools/vagrant/gemset.nix
+++ b/pkgs/development/tools/vagrant/gemset.nix
@ -24,20 +24,20 @@
    platforms = [];
    source = {
      remotes = ["https://rubygems.org"];
-      sha256 = "1ic028k8xgm2dds9mqnvwwx3ibaz32j8455zxr9f4bcnviyahya5";
+      sha256 = "08hd3d2lfi19cns4d6wkq51scasn17l83fgbzbjjk3dqccz4rg3j";
      type = "gem";
    };
-    version = "3.0.0";
+    version = "4.0.0";
  };
  concurrent-ruby = {
    groups = ["default"];
    platforms = [];
    source = {
      remotes = ["https://rubygems.org"];
-      sha256 = "094387x4yasb797mv07cs3g6f08y56virc2rjcpb1k79rzaj3nhl";
+      sha256 = "1vnxrbhi7cq3p4y2v9iwd10v1c7l15is4var14hwnb2jip4fyjzz";
      type = "gem";
    };
-    version = "1.1.6";
+    version = "1.1.7";
  };
  domain_name = {
    dependencies = ["unf"];
@ -149,21 +149,21 @@
    platforms = [];
    source = {
      remotes = ["https://rubygems.org"];
-      sha256 = "10nq1xjqvkhngiygji831qx9bryjwws95r4vrnlq9142bzkg670s";
+      sha256 = "153sx77p16vawrs4qpkv7qlzf9v5fks4g7xqcj1dwk40i6g7rfzk";
      type = "gem";
    };
-    version = "1.8.3";
+    version = "1.8.5";
  };
  listen = {
-    dependencies = ["rb-fsevent" "rb-inotify" "ruby_dep"];
+    dependencies = ["rb-fsevent" "rb-inotify"];
    groups = ["default"];
    platforms = [];
    source = {
      remotes = ["https://rubygems.org"];
-      sha256 = "01v5mrnfqm6sgm8xn2v5swxsn1wlmq7rzh2i48d4jzjsc7qvb6mx";
+      sha256 = "1w923wmdi3gyiky0asqdw5dnh3gcjs2xyn82ajvjfjwh6sn0clgi";
      type = "gem";
    };
-    version = "3.1.5";
+    version = "3.2.1";
  };
  little-plugger = {
    groups = ["default"];
@ -191,10 +191,20 @@
    platforms = [];
    source = {
      remotes = ["https://rubygems.org"];
-      sha256 = "06j6iaj89h9jhkx1x3hlswqrfnqds8br05xb1qra69dpvbdmjcwn";
+      sha256 = "0pkmhcxi8lp74bq5gz9lxrvaiv5w0745kk7s4bw2b1x07qqri0n9";
      type = "gem";
    };
-    version = "2.2.2";
+    version = "2.3.0";
+  };
+  mime = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0nskys7brz2bylhxiknl0z9i19w3wb1knf0h93in6mjq70jdw5cr";
+      type = "gem";
+    };
+    version = "0.4.4";
  };
  mime-types = {
    dependencies = ["mime-types-data"];
@ -222,10 +232,10 @@
    platforms = [];
    source = {
      remotes = ["https://rubygems.org"];
-      sha256 = "0xy54mjf7xg41l8qrg1bqri75agdqmxap9z466fjismc1rn2jwfr";
+      sha256 = "0pb1g1y3dsiahavspyzkdy39j4q377009f6ix0bh1ag4nqw43l0z";
      type = "gem";
    };
-    version = "1.14.1";
+    version = "1.15.0";
  };
  net-scp = {
    dependencies = ["net-ssh"];
@ -244,20 +254,20 @@
    platforms = [];
    source = {
      remotes = ["https://rubygems.org"];
-      sha256 = "04674g4n6mryjajlcd82af8g8k95la4b1bj712dh71hw1c9vhw1y";
+      sha256 = "185vsybznqgqbb4i2qnxvf1gam8lb634nqcrq7r3i2zy1g6xd8mi";
      type = "gem";
    };
-    version = "2.1.2";
+    version = "3.0.0";
  };
  net-ssh = {
    groups = ["default"];
    platforms = [];
    source = {
      remotes = ["https://rubygems.org"];
-      sha256 = "101wd2px9lady54aqmkibvy4j62zk32w0rjz4vnigyg974fsga40";
+      sha256 = "0jp3jgcn8cij407xx9ldb5h9c6jv13jc4cf6kk2idclz43ww21c9";
      type = "gem";
    };
-    version = "5.2.0";
+    version = "6.1.0";
  };
  netrc = {
    groups = ["default"];
--- a/pkgs/development/tools/vagrant/use-system-bundler-version.patch
+++ b/pkgs/development/tools/vagrant/use-system-bundler-version.patch
@ -1,8 +1,8 @@
-diff --git i/lib/vagrant/bundler.rb w/lib/vagrant/bundler.rb
-index 301e40e37..e361ab510 100644
--- i/lib/vagrant/bundler.rb
-+++ w/lib/vagrant/bundler.rb
-@@ -217,7 +217,7 @@ module Vagrant
+diff --git a/lib/vagrant/bundler.rb b/lib/vagrant/bundler.rb
+index 336ac1e05..1bfd84c0d 100644
+--- a/lib/vagrant/bundler.rb
+++ b/lib/vagrant/bundler.rb
+@@ -470,7 +470,7 @@ module Vagrant
       source_list = {}
       system_plugins = plugins.map do |plugin_name, plugin_info|
         plugin_name if plugin_info["system"]
--- a/pkgs/games/katago/default.nix
+++ b/pkgs/games/katago/default.nix
@ -13,17 +13,25 @@
 , opencl-headers ? null
 , ocl-icd ? null
 , gperftools ? null
+, eigen ? null
+, gpuEnabled ? true
+, useAVX2 ? false
 , cudaSupport ? false
 , useTcmalloc ? true}:

+assert !gpuEnabled -> (
+  eigen != null &&
+  !cudaSupport);
+
 assert cudaSupport -> (
  libGL_driver != null &&
  cudatoolkit != null &&
  cudnn != null);

 assert !cudaSupport -> (
-  opencl-headers != null &&
-  ocl-icd != null);
+  !gpuEnabled || (
+    opencl-headers != null &&
+    ocl-icd != null));

 assert useTcmalloc -> (
  gperftools != null);
@ -35,13 +43,13 @@ let

 in env.mkDerivation rec {
  pname = "katago";
-  version = "1.5.0";
+  version = "1.6.0";

  src = fetchFromGitHub {
    owner = "lightvector";
    repo = "katago";
-    rev = "${version}";
-    sha256 = "0ajdjdmlzwh7zwk5v0k9zzjawgkf7w30pzqp5bhcsdqz4svvyll2";
+    rev = "v${version}";
+    sha256 = "1r84ws2rj7j8085v1cqffy9rg65rzrhk6z8jbxivqxsmsgs2zs48";
  };

  nativeBuildInputs = [
@ -52,10 +60,12 @@ in env.mkDerivation rec {
  buildInputs = [
    libzip
    boost
-  ] ++ lib.optionals cudaSupport [
+  ] ++ lib.optionals (!gpuEnabled) [
+    eigen
+  ] ++ lib.optionals (gpuEnabled && cudaSupport) [
    cudnn
    libGL_driver
-  ] ++ lib.optionals (!cudaSupport) [
+  ] ++ lib.optionals (gpuEnabled && !cudaSupport) [
    opencl-headers
    ocl-icd
  ] ++ lib.optionals useTcmalloc [
@ -64,9 +74,13 @@ in env.mkDerivation rec {

  cmakeFlags = [
    "-DNO_GIT_REVISION=ON"
-  ] ++ lib.optionals cudaSupport [
+  ] ++ lib.optionals (!gpuEnabled) [
+    "-DUSE_BACKEND=EIGEN"
+  ] ++ lib.optionals useAVX2 [
+    "-DUSE_AVX2=ON"
+  ] ++ lib.optionals (gpuEnabled && cudaSupport) [
    "-DUSE_BACKEND=CUDA"
-  ] ++ lib.optionals (!cudaSupport) [
+  ] ++ lib.optionals (gpuEnabled && !cudaSupport) [
    "-DUSE_BACKEND=OPENCL"
  ] ++ lib.optionals useTcmalloc [
    "-DUSE_TCMALLOC=ON"
--- a/pkgs/games/papermc/default.nix
+++ b/pkgs/games/papermc/default.nix
@ -1,4 +1,4 @@
-{ stdenv, fetchurl, jre }:
+{ stdenv, fetchurl, bash, jre }:
 let
  mcVersion = "1.16.2";
  buildNum = "141";
@ -13,22 +13,23 @@ in stdenv.mkDerivation {
  preferLocalBuild = true;

  dontUnpack = true;
-  installPhase = ''
-    mkdir -p $out/bin
-    cp ${jar} $out/papermc.jar
-    cat > $out/bin/minecraft-server << EOF
-    #!/bin/sh
-    exec ${jre}/bin/java \$@ -jar $out/papermc.jar nogui
-    EOF
-    chmod +x $out/bin/minecraft-server
+  dontConfigure = true;
+
+  buildPhase = ''
+    cat > minecraft-server << EOF
+    #!${bash}/bin/sh
+    exec ${jre}/bin/java \$@ -jar $out/share/papermc/papermc.jar nogui
  '';

-  phases = "installPhase";
+  installPhase = ''
+    install -Dm444 ${jar} $out/share/papermc/papermc.jar
+    install -Dm555 -t $out/bin minecraft-server
+  '';

  meta = {
    description = "High-performance Minecraft Server";
    homepage    = "https://papermc.io/";
-    license     = stdenv.lib.licenses.gpl3;
+    license     = stdenv.lib.licenses.gpl3Only;
    platforms   = stdenv.lib.platforms.unix;
    maintainers = with stdenv.lib.maintainers; [ aaronjanse ];
  };
--- a/pkgs/games/xcowsay/default.nix
+++ b/pkgs/games/xcowsay/default.nix
@ -0,0 +1,40 @@
+{ stdenv, fetchurl, makeWrapper, pkg-config
+, dbus, dbus-glib, gtk3, gdk-pixbuf, librsvg
+, fortune
+}:
+
+stdenv.mkDerivation rec {
+  pname = "xcowsay";
+  version = "1.5";
+
+  src = fetchurl {
+    url = "http://www.nickg.me.uk/files/xcowsay-${version}.tar.gz";
+    sha256 = "0pyaa062z1ag26dhkm1yzp2hivnlmhlpqn5xg7mx9r1m652mm91y";
+  };
+
+  buildInputs = [
+    dbus
+    dbus-glib
+    gtk3
+    gdk-pixbuf # loading cow images
+    librsvg # dreaming SVG images
+  ];
+  nativeBuildInputs = [ makeWrapper pkg-config ];
+
+  configureFlags = [ "--enable-dbus" ];
+
+  postInstall = ''
+    for tool in xcowdream xcowsay xcowthink xcowfortune; do
+      wrapProgram $out/bin/$tool \
+        --prefix PATH : $out/bin:${fortune}/bin
+    done
+  '';
+
+  meta = with stdenv.lib; {
+    homepage = "http://www.doof.me.uk/xcowsay";
+    description =
+      "A program based on cowsay that displays a cute cow and message on your desktop";
+    license = licenses.gpl3;
+    maintainers = with maintainers; [ das_j ];
+  };
+}
--- a/pkgs/servers/jackett/default.nix
+++ b/pkgs/servers/jackett/default.nix
@ -1,46 +1,30 @@
-{ lib, stdenv, fetchurl, makeWrapper, curl, icu60, openssl, zlib }:
+{ lib, stdenv, fetchurl, mono, makeWrapper, curl, icu60, openssl, zlib }:

 stdenv.mkDerivation rec {
  pname = "jackett";
-  version = "0.16.175";
+  version = "0.16.998";

-  src = {
-    x86_64-linux = fetchurl {
-      url = "https://github.com/Jackett/Jackett/releases/download/v${version}/Jackett.Binaries.LinuxAMDx64.tar.gz";
-      sha512 = "269n84qc8sfrmnidgrjywanbqr65mhkmk24dlqfi17pi0l27wi4fc4qmnjj683xwprz5hqjsmkqf963pbx4k3jaz0rp0jnizan91wij";
-    };
-    aarch64-linux = fetchurl {
-      url = "https://github.com/Jackett/Jackett/releases/download/v${version}/Jackett.Binaries.LinuxARM64.tar.gz";
-      sha512 = "0dmyhprd2vi2z9q5g79psqgsc3w0zdac4s6k20rngi8jxm5jgphzrzcic4rgdijyryap99my619k447w701a08vh9sfcfk0fjg9pgwb";
-    };
-  }."${stdenv.targetPlatform.system}" or (throw "Missing hash for host system: ${stdenv.targetPlatform.system}");
+  src = fetchurl {
+    url = "https://github.com/Jackett/Jackett/releases/download/v${version}/Jackett.Binaries.Mono.tar.gz";
+    sha256 = "16f8ipw4sbdxwv79zjhr5ihd3m6biyhj1gj7cqpjr34ad7zqna3c";
+  };

-  buildInputs = [ makeWrapper ];
+  nativeBuildInputs = [ makeWrapper ];

  installPhase = ''
-    mkdir -p $out/{bin,opt/${pname}-${version}}
-    cp -r * $out/opt/${pname}-${version}
+    mkdir -p $out/{bin,share/${pname}-${version}}
+    cp -r * $out/share/${pname}-${version}

-    makeWrapper "$out/opt/${pname}-${version}/jackett" $out/bin/Jackett \
-      --prefix LD_LIBRARY_PATH ':' "${curl.out}/lib:${icu60.out}/lib:${openssl.out}/lib:${zlib.out}/lib"
-  '';
-
-  preFixup = let
-    libPath = lib.makeLibraryPath [
-      stdenv.cc.cc.lib  # libstdc++.so.6
-    ];
-  in ''
-    patchelf \
-      --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
-      --set-rpath "${libPath}" \
-      $out/opt/${pname}-${version}/jackett
+    makeWrapper "${mono}/bin/mono" $out/bin/Jackett \
+      --add-flags "$out/share/${pname}-${version}/JackettConsole.exe" \
+      --prefix LD_LIBRARY_PATH : ${stdenv.lib.makeLibraryPath [ curl icu60 openssl zlib ]}
  '';

  meta = with stdenv.lib; {
    description = "API Support for your favorite torrent trackers.";
    homepage = "https://github.com/Jackett/Jackett/";
    license = licenses.gpl2;
-    maintainers = with maintainers; [ edwtjo nyanloutre ];
-    platforms = [ "x86_64-linux" "aarch64-linux" ];
+    maintainers = with maintainers; [ edwtjo nyanloutre purcell ];
+    platforms = platforms.all;
  };
 }
--- a/pkgs/servers/jellyfin/default.nix
+++ b/pkgs/servers/jellyfin/default.nix
@ -56,6 +56,6 @@ in stdenv.mkDerivation rec {
    description = "The Free Software Media System";
    homepage = "https://jellyfin.org/";
    license = licenses.gpl2;
-    maintainers = with maintainers; [ nyanloutre minijackson ];
+    maintainers = with maintainers; [ nyanloutre minijackson purcell ];
  };
 }
--- a/pkgs/servers/radarr/default.nix
+++ b/pkgs/servers/radarr/default.nix
@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
    description = "A Usenet/BitTorrent movie downloader";
    homepage = "https://radarr.video/";
    license = licenses.gpl3;
-    maintainers = with maintainers; [ edwtjo ];
+    maintainers = with maintainers; [ edwtjo purcell ];
    platforms = platforms.all;
  };
 }
--- a/pkgs/servers/sonarr/default.nix
+++ b/pkgs/servers/sonarr/default.nix
@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
    description = "Smart PVR for newsgroup and bittorrent users";
    homepage = "https://sonarr.tv/";
    license = stdenv.lib.licenses.gpl3;
-    maintainers = [ stdenv.lib.maintainers.fadenb ];
+    maintainers = with stdenv.lib.maintainers; [ fadenb purcell ];
    platforms = stdenv.lib.platforms.all;
  };
 }
--- a/pkgs/servers/web-apps/sogo/default.nix
+++ b/pkgs/servers/web-apps/sogo/default.nix
@ -1,24 +1,25 @@
 { gnustep, lib, fetchFromGitHub, fetchpatch, makeWrapper, python2, lndir
-, openssl_1_1, openldap, sope, libmemcached, curl }: with lib; gnustep.stdenv.mkDerivation rec {
+, openssl_1_1, openldap, sope, libmemcached, curl, libsodium, libzip, pkgconfig }:
+with lib; gnustep.stdenv.mkDerivation rec {
  pname = "SOGo";
-  version = "4.3.2";
+  version = "5.0.0";

  src = fetchFromGitHub {
    owner = "inverse-inc";
    repo = pname;
    rev = "SOGo-${version}";
-    sha256 = "1xxad23a8zy6w850x5nrrf54db0x73lc9drmc5kpfk870fk2lmr0";
+    sha256 = "sha256-SEyyHekUCSkb5rOh7Ty8AhtT4S9KicTRbo9iWhijdGE=";
  };

  nativeBuildInputs = [ gnustep.make makeWrapper python2 ];
-  buildInputs = [ gnustep.base sope openssl_1_1 libmemcached (curl.override { openssl = openssl_1_1; }) ]
+  buildInputs = [ gnustep.base sope openssl_1_1 libmemcached (curl.override { openssl = openssl_1_1; }) libsodium libzip pkgconfig ]
    ++ optional (openldap != null) openldap;

  patches = [
    # TODO: take a closer look at other patches in https://sources.debian.org/patches/sogo/ and https://github.com/Skrupellos/sogo-patches
    (fetchpatch {
-      url = "https://sources.debian.org/data/main/s/sogo/4.3.0-1/debian/patches/0005-Remove-build-date.patch";
-      sha256 = "0lrh3bkfj3r0brahfkyb0g7zx7r2jjd5cxzjl43nqla0fs09wsh8";
+      url = "https://salsa.debian.org/debian/sogo/-/raw/120ac6390602c811908c7fcb212a79acbc7f7f28/debian/patches/0005-Remove-build-date.patch";
+      sha256 = "151i8504kwdlcirgd0pbif7cxnb1q6jsp5j7dbh9p6zw2xgwkp25";
    })
  ];

--- a/pkgs/shells/elvish/default.nix
+++ b/pkgs/shells/elvish/default.nix
@ -2,7 +2,7 @@

 buildGoModule rec {
  pname = "elvish";
-  version = "0.14.0";
+  version = "0.14.1";

  excludedPackages = [ "website" ];

@ -12,7 +12,7 @@ buildGoModule rec {
    owner = "elves";
    repo = pname;
    rev = "v${version}";
-    sha256 = "1jsxhnm82pjzwvcjq7vrlldyjnv5j6c83a13dj6zphlqq99z68l4";
+    sha256 = "05wp3cx4s2cjf60yncdpmycs5h4z1dlin56dmljmfwz4z099079b";
  };

  vendorSha256 = "1f971n17h9bc0qcgs9ipiaw0x9807mz761fqm605br4ch1kp0897";
--- a/pkgs/tools/misc/debianutils/default.nix
+++ b/pkgs/tools/misc/debianutils/default.nix
@ -2,11 +2,11 @@

 stdenv.mkDerivation rec {
  pname = "debianutils";
-  version = "4.11";
+  version = "4.11.1";

  src = fetchurl {
    url = "mirror://debian/pool/main/d/${pname}/${pname}_${version}.tar.xz";
-    sha256 = "0lbizfnf3qwsiz2ggia6ff7sjjj8gwhys8bm6wixdc4n0qlycp5v";
+    sha256 = "0g4qmzb2ff0rqszzpsal465hcslnpdl4nhghv59qvhamkkqnks4b";
  };

  meta = with stdenv.lib; {
--- a/pkgs/tools/misc/fluent-bit/default.nix
+++ b/pkgs/tools/misc/fluent-bit/default.nix
@ -2,13 +2,13 @@

 stdenv.mkDerivation rec {
  pname = "fluent-bit";
-  version = "1.5.3";
+  version = "1.5.4";

  src = fetchFromGitHub {
    owner = "fluent";
    repo = "fluent-bit";
    rev = "v${version}";
-    sha256 = "153c7hafmzwxa24h923irfhzaqqd8wbr2aaab6l3hjhgx5q8s5bf";
+    sha256 = "0w96f86i2jlzjk2plf8jbdw4q748khbhhjkbzfb8dkq2lhc9i80h";
  };

  nativeBuildInputs = [ cmake flex bison ];
--- a/pkgs/tools/misc/topgrade/default.nix
+++ b/pkgs/tools/misc/topgrade/default.nix
@ -2,16 +2,16 @@

 rustPlatform.buildRustPackage rec {
  pname = "topgrade";
-  version = "5.4.0";
+  version = "5.5.0";

  src = fetchFromGitHub {
    owner = "r-darwish";
    repo = pname;
    rev = "v${version}";
-    sha256 = "1v57dqkrh67cmj1ish650z8yk737hm1qynqr5yv0vlna86gwhrhs";
+    sha256 = "1adx029cq30g0qnrvdq2di8bpadzdxrpbsqchxfsda8zg6cprh1j";
  };

-  cargoSha256 = "00vxrv8lbdwwbdbaqb4rq0w3bc8n9qwk9zgb1j656lyswib7g1d3";
+  cargoSha256 = "0jpjn6sb8bkwnq7np487hb8bkm6rv84mihmqwy3ymgdzlqcng6sk";

  buildInputs = lib.optional stdenv.isDarwin Foundation;

--- a/pkgs/tools/security/vault/default.nix
+++ b/pkgs/tools/security/vault/default.nix
@ -2,13 +2,13 @@

 buildGoPackage rec {
  pname = "vault";
-  version = "1.5.0";
+  version = "1.5.2";

  src = fetchFromGitHub {
    owner = "hashicorp";
    repo = "vault";
    rev = "v${version}";
-    sha256 = "1bdhcsx7hwz4kb68jrrrzlbr7k744g0pym996dq1p5rvz05j3pqc";
+    sha256 = "0a16slrg0kx7i1xwixc920lkgbbywvb6wpmkbqjvz1xx72nq9ap4";
  };

  goPackagePath = "github.com/hashicorp/vault";
--- a/pkgs/tools/security/vault/vault-bin.nix
+++ b/pkgs/tools/security/vault/vault-bin.nix
@ -1,30 +1,30 @@
 { stdenv, fetchurl, unzip }:

 let
-  version = "1.3.0";
+  version = "1.5.2";

  sources = let
    base = "https://releases.hashicorp.com/vault/${version}";
  in {
    x86_64-linux = fetchurl {
      url = "${base}/vault_${version}_linux_amd64.zip";
-      sha256 = "1crfj4gd1qwwa2xidd0pjffv0n6hf5hbhv6568m6zc1ig0qqm6yq";
+      sha256 = "1m9svs1ncgdwwh16xavwikq4ji9rzkb2wlr59sx61rlz0l18mknd";
    };
    i686-linux = fetchurl {
      url = "${base}/vault_${version}_linux_386.zip";
-      sha256 = "0pyf0kyvxpmx3fwfvin1r0x30r9byx9lyi81894q06xrhiwbqc0l";
+      sha256 = "0hd6gsrmjfly3075kq0rsxhgy927g1462qih0iiwphrhik7l0pwr";
    };
    x86_64-darwin = fetchurl {
      url = "${base}/vault_${version}_darwin_amd64.zip";
-      sha256 = "113vnpz9n6y7z2k9jqpfpxqxqbrmd9bhny79yaxqzkfdqw8vyv3g";
+      sha256 = "092xqjm69ljn70hn9f93qkc0ila0hgj2l14plhsza52d924qnq3l";
    };
    i686-darwin = fetchurl {
      url = "${base}/vault_${version}_darwin_386.zip";
-      sha256 = "0d191qai0bpl7cyivca26wqgycsj2dz08809z147d1vnrz321v6w";
+      sha256 = "161j15n6kfd3m5hakc0qn824kp0nwdghcm81j9vqzpq900sbg6ak";
    };
    aarch64-linux = fetchurl {
      url = "${base}/vault_${version}_linux_arm64.zip";
-      sha256 = "1bk5y3knc42mh07gnnn6p109qz908014620h1s0348wp4qfdy49w";
+      sha256 = "1f6ckfqqj9gsaizwxa7xrjgkkj3nd6m1md7smz0xnxgnc4f7g4z0";
    };
  };

--- a/pkgs/tools/system/fio/default.nix
+++ b/pkgs/tools/system/fio/default.nix
@ -4,13 +4,13 @@

 stdenv.mkDerivation rec {
  pname = "fio";
-  version = "3.21";
+  version = "3.22";

  src = fetchFromGitHub {
    owner  = "axboe";
    repo   = "fio";
    rev    = "fio-${version}";
-    sha256 = "0v8bq79n2nfnrs8pw2f3a93f8k691dnfzd5qxb5srwak4y2za7hn";
+    sha256 = "16p17l1xbqqkgppvwmfaywknhk4ybafnx8hm56ffd8bls9vaqw5m";
  };

  buildInputs = [ python zlib ]
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@ -8414,6 +8414,7 @@ in
    };
  };

+  clang_11 = llvmPackages_11.clang;
  clang_10 = llvmPackages_10.clang;
  clang_9  = llvmPackages_9.clang;
  clang_8  = llvmPackages_8.clang;
@ -9230,6 +9231,7 @@ in
  lld_8 = llvmPackages_8.lld;
  lld_9 = llvmPackages_9.lld;
  lld_10 = llvmPackages_10.lld;
+  lld_11 = llvmPackages_11.lld;

  lldb = llvmPackages.lldb;
  lldb_5 = llvmPackages_5.lldb;
@ -9238,10 +9240,12 @@ in
  lldb_8 = llvmPackages_8.lldb;
  lldb_9 = llvmPackages_9.lldb;
  lldb_10 = llvmPackages_10.lldb;
+  lldb_11 = llvmPackages_11.lldb;

  llvm = llvmPackages.llvm;
  llvm-manpages = llvmPackages.llvm-manpages;

+  llvm_11 = llvmPackages_11.llvm;
  llvm_10 = llvmPackages_10.llvm;
  llvm_9  = llvmPackages_9.llvm;
  llvm_8  = llvmPackages_8.llvm;
@ -9287,6 +9291,14 @@ in
    targetLlvmLibraries = targetPackages.llvmPackages_10.libraries;
  };

+  llvmPackages_11 = callPackage ../development/compilers/llvm/11 ({
+    inherit (stdenvAdapters) overrideCC;
+    buildLlvmTools = buildPackages.llvmPackages_11.tools;
+    targetLlvmLibraries = targetPackages.llvmPackages_11.libraries;
+  } // stdenv.lib.optionalAttrs (stdenv.hostPlatform.isi686 && buildPackages.stdenv.cc.isGNU) {
+    stdenv = gcc7Stdenv;
+  });
+
  llvmPackages_latest = llvmPackages_10;

  llvmPackages_rocm = callPackage ../development/compilers/llvm/rocm { };
@ -14305,6 +14317,8 @@ in
    inherit (darwin.stubs) setfile;
  };

+  muparserx = callPackage ../development/libraries/muparserx { };
+
  mutest = callPackage ../development/libraries/mutest { };

  mygpoclient = pythonPackages.mygpoclient;
@ -15520,7 +15534,9 @@ in

  vcg = callPackage ../development/libraries/vcg { };

-  vid-stab = callPackage ../development/libraries/vid-stab { };
+  vid-stab = callPackage ../development/libraries/vid-stab {
+    inherit (llvmPackages) openmp;
+  };

  vigra = callPackage ../development/libraries/vigra { };

@ -22135,6 +22151,10 @@ in

  opentimestamps-client = python3Packages.callPackage ../tools/misc/opentimestamps-client {};

+  opentoonz = (qt5.overrideScope' (_: _: {
+    libtiff = callPackage ../applications/graphics/opentoonz/libtiff.nix { };
+  })).callPackage ../applications/graphics/opentoonz { };
+
  opentx = libsForQt5.callPackage ../applications/misc/opentx { };

  opera = callPackage ../applications/networking/browsers/opera {};
@ -23409,6 +23429,8 @@ in
    inherit (lua52Packages) lpeg;
  };

+  viw = callPackage ../applications/editors/viw { };
+
  virt-viewer = callPackage ../applications/virtualization/virt-viewer { };

  virt-top = callPackage ../applications/virtualization/virt-top { };
@ -24624,6 +24646,10 @@ in
    cudatoolkit = cudatoolkit_10_2;
  };

+  katagoCPU = katago.override {
+    gpuEnabled = false;
+  };
+
  klavaro = callPackage ../games/klavaro {};

  kobodeluxe = callPackage ../games/kobodeluxe { };
@ -25133,6 +25159,8 @@ in
    tk = tk-8_5;
  };

+  xcowsay = callPackage ../games/xcowsay { };
+
  xjump = callPackage ../games/xjump { };
  # TODO: the corresponding nix file is missing
  # xracer = callPackage ../games/xracer { };
@ -26482,9 +26510,7 @@ in

  hatari = callPackage ../misc/emulators/hatari { };

-  helm = callPackage ../applications/audio/helm {
-    stdenv = gcc8Stdenv;
-  };
+  helm = callPackage ../applications/audio/helm { };

  helmfile = callPackage ../applications/networking/cluster/helmfile { };

--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@ -4917,6 +4917,8 @@ in {

  multiprocess = callPackage ../development/python-modules/multiprocess { };

+  multitasking = callPackage ../development/python-modules/multitasking { };
+
  munkres = callPackage ../development/python-modules/munkres { };

  musicbrainzngs = callPackage ../development/python-modules/musicbrainzngs { };
@ -5950,7 +5952,8 @@ in {

  readchar = callPackage ../development/python-modules/readchar { };

-  retworkx = callPackage ../development/python-modules/retworkx { };
+  retworkx = disabledIf (pythonOlder "3.5")
+    (toPythonModule (callPackage ../development/python-modules/retworkx { } ));

  rivet = disabledIf (!isPy3k) (toPythonModule (pkgs.rivet.override {
    python3 = python;
@ -7746,6 +7749,8 @@ in {

  yattag = callPackage ../development/python-modules/yattag { };

+  yfinance = callPackage ../development/python-modules/yfinance { };
+
  xenomapper = disabledIf (!isPy3k) (callPackage ../applications/science/biology/xenomapper { });

  z3 = (toPythonModule (pkgs.z3.override {