240 lines
7.1 KiB
Nix
240 lines
7.1 KiB
Nix
config:
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{ stdenv, cmake, pkgconfig, which
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# Xen
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, bison, bzip2, checkpolicy, dev86, figlet, flex, gettext, glib
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, iasl, libaio, libiconv, libuuid, ncurses, openssl, perl
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, python2Packages
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# python2Packages.python
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, xz, yajl, zlib
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# Xen Optional
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, ocamlPackages
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# Scripts
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, coreutils, gawk, gnused, gnugrep, diffutils, multipath-tools
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, iproute, inetutils, iptables, bridge-utils, openvswitch, nbd, drbd
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, lvm2, utillinux, procps, systemd
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# Documentation
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# python2Packages.markdown
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, transfig, ghostscript, texinfo, pandoc
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, ...} @ args:
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with stdenv.lib;
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let
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#TODO: fix paths instead
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scriptEnvPath = concatMapStringsSep ":" (x: "${x}/bin") [
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which perl
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coreutils gawk gnused gnugrep diffutils utillinux multipath-tools
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iproute inetutils iptables bridge-utils openvswitch nbd drbd
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];
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withXenfiles = f: concatStringsSep "\n" (mapAttrsToList f config.xenfiles);
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withTools = a: f: withXenfiles (name: x: optionalString (hasAttr a x) ''
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echo "processing ${name}"
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__do() {
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cd "tools/${name}"
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${f name x}
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}
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( __do )
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'');
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in
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stdenv.mkDerivation (rec {
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inherit (config) version;
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name = "xen-${version}";
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dontUseCmakeConfigure = true;
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hardeningDisable = [ "stackprotector" "fortify" "pic" ];
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nativeBuildInputs = [ pkgconfig ];
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buildInputs = [
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cmake which
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# Xen
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bison bzip2 checkpolicy dev86 figlet flex gettext glib iasl libaio
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libiconv libuuid ncurses openssl perl python2Packages.python xz yajl zlib
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# oxenstored
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ocamlPackages.findlib ocamlPackages.ocaml systemd
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# Python fixes
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python2Packages.wrapPython
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# Documentation
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python2Packages.markdown transfig ghostscript texinfo pandoc
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# Others
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] ++ (concatMap (x: x.buildInputs or []) (attrValues config.xenfiles))
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++ (config.buildInputs or []);
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prePatch = ''
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### Generic fixes
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# Xen's stubdoms, tools and firmwares need various sources that
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# are usually fetched at build time using wget and git. We can't
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# have that, so we prefetch them in nix-expression and setup
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# fake wget and git for debugging purposes.
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mkdir fake-bin
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# Fake git: just print what it wants and die
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cat > fake-bin/wget << EOF
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#!/bin/sh -e
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echo ===== FAKE WGET: Not fetching \$*
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[ -e \$3 ]
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EOF
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# Fake git: just print what it wants and die
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cat > fake-bin/git << EOF
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#!/bin/sh
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echo ===== FAKE GIT: Not cloning \$*
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[ -e \$3 ]
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EOF
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chmod +x fake-bin/*
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export PATH=$PATH:$PWD/fake-bin
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# Remove in-tree qemu stuff in case we build from a tar-ball
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rm -rf tools/qemu-xen tools/qemu-xen-traditional
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# Fix shebangs, mainly for build-scipts
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# We want to do this before getting prefetched stuff to speed things up
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# (prefetched stuff has lots of files)
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find . -type f | xargs sed -i 's@/usr/bin/\(python\|perl\)@/usr/bin/env \1@g'
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find . -type f -not -path "./tools/hotplug/Linux/xendomains.in" \
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| xargs sed -i 's@/bin/bash@/bin/sh@g'
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# Get prefetched stuff
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${withXenfiles (name: x: ''
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echo "${x.src} -> tools/${name}"
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cp -r ${x.src} tools/${name}
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chmod -R +w tools/${name}
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'')}
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'';
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patches = [ ./0000-fix-ipxe-src.patch
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./0000-fix-install-python.patch ]
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++ (config.patches or []);
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postPatch = ''
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### Hacks
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# Work around a bug in our GCC wrapper: `gcc -MF foo -v' doesn't
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# print the GCC version number properly.
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substituteInPlace xen/Makefile \
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--replace '$(CC) $(CFLAGS) -v' '$(CC) -v'
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# Hack to get `gcc -m32' to work without having 32-bit Glibc headers.
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mkdir -p tools/include/gnu
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touch tools/include/gnu/stubs-32.h
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### Fixing everything else
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substituteInPlace tools/libfsimage/common/fsimage_plugin.c \
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--replace /usr $out
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substituteInPlace tools/blktap2/lvm/lvm-util.c \
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--replace /usr/sbin/vgs ${lvm2}/bin/vgs \
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--replace /usr/sbin/lvs ${lvm2}/bin/lvs
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substituteInPlace tools/misc/xenpvnetboot \
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--replace /usr/sbin/mount ${utillinux}/bin/mount \
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--replace /usr/sbin/umount ${utillinux}/bin/umount
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substituteInPlace tools/xenmon/xenmon.py \
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--replace /usr/bin/pkill ${procps}/bin/pkill
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substituteInPlace tools/xenstat/Makefile \
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--replace /usr/include/curses.h ${ncurses.dev}/include/curses.h
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${optionalString (builtins.compareVersions config.version "4.8" >= 0) ''
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substituteInPlace tools/hotplug/Linux/launch-xenstore.in \
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--replace /bin/mkdir mkdir
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''}
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${optionalString (builtins.compareVersions config.version "4.6" < 0) ''
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# TODO: use this as a template and support our own if-up scripts instead?
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substituteInPlace tools/hotplug/Linux/xen-backend.rules.in \
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--replace "@XEN_SCRIPT_DIR@" $out/etc/xen/scripts
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# blktap is not provided by xen, but by xapi
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sed -i '/blktap/d' tools/hotplug/Linux/xen-backend.rules.in
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''}
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${withTools "patches" (name: x: ''
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${concatMapStringsSep "\n" (p: ''
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echo "# Patching with ${p}"
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patch -p1 < ${p}
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'') x.patches}
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'')}
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${withTools "postPatch" (name: x: x.postPatch)}
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${config.postPatch or ""}
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'';
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postConfigure = ''
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substituteInPlace tools/hotplug/Linux/xendomains \
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--replace /bin/ls ls
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'';
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# TODO: Flask needs more testing before enabling it by default.
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#makeFlags = "XSM_ENABLE=y FLASK_ENABLE=y PREFIX=$(out) CONFIG_DIR=/etc XEN_EXTFILES_URL=\\$(XEN_ROOT)/xen_ext_files ";
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makeFlags = [ "PREFIX=$(out) CONFIG_DIR=/etc" "XEN_SCRIPT_DIR=/etc/xen/scripts" ]
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++ (config.makeFlags or []);
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buildFlags = "xen tools";
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postBuild = ''
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make -C docs man-pages
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${withTools "buildPhase" (name: x: x.buildPhase)}
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'';
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installPhase = ''
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mkdir -p $out $out/share $out/share/man
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cp -prvd dist/install/nix/store/*/* $out/
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cp -prvd dist/install/boot $out/boot
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cp -prvd dist/install/etc $out
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cp -dR docs/man1 docs/man5 $out/share/man/
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${withTools "installPhase" (name: x: x.installPhase)}
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# Hack
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substituteInPlace $out/etc/xen/scripts/hotplugpath.sh \
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--replace SBINDIR=\"$out/sbin\" SBINDIR=\"$out/bin\"
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wrapPythonPrograms
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# We also need to wrap pygrub, which lies in lib
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wrapPythonProgramsIn "$out/lib" "$out $pythonPath"
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shopt -s extglob
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for i in $out/etc/xen/scripts/!(*.sh); do
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sed -i "2s@^@export PATH=$out/bin:${scriptEnvPath}\n@" $i
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done
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'';
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enableParallelBuilding = true;
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# TODO(@oxij): Stop referencing args here
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meta = {
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homepage = http://www.xen.org/;
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description = "Xen hypervisor and related components"
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+ optionalString (args ? meta && args.meta ? description)
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" (${args.meta.description})";
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longDescription = (args.meta.longDescription or "")
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+ "\nIncludes:\n"
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+ withXenfiles (name: x: ''* ${name}: ${x.meta.description or "(No description)"}.'');
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platforms = [ "x86_64-linux" ];
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maintainers = with stdenv.lib.maintainers; [ eelco tstrobel oxij ];
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license = stdenv.lib.licenses.gpl2;
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} // (config.meta or {});
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} // removeAttrs config [ "xenfiles" "buildInputs" "patches" "postPatch" "meta" ])
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