nixpkgs/pkgs/applications/virtualization/qemu/default.nix
Will Dietz 3d4aa7e95d qemu: workaround 'struct sysinfo' conflict musl <--> linux
Most everyone using musl patches the linux headers instead,
but various software uses a local workaround like the
one added in this commit (psutils, for example).

It's not obvious to me which project has the "bug",
and I'm reluctant to even propose modifying our headers
without clear answer on the issue.

Also, modifying those headers triggers rebuild-all-the-things.

Hopefully upstream projects sort this out, in the meantime
adding this define is a bit of a kludge but does the job.

-------

For the curious, the patch usually is something like this:
https://patchwork.kernel.org/patch/3833241/

Here's an updated version that also ensures
kernel users get the sysinfo struct as expected too:
https://raw.githubusercontent.com/openwrt/openwrt/e3c43ade0bae9491aeea50fa361e846bb5002dc0/target/linux/generic/pending-4.14/270-uapi-kernel.h-glibc-specific-inclusion-of-sysinfo.h.patch

(cherry picked from commit dtzWill/nixpkgs@91b5f5a463)
2018-04-26 17:58:16 +02:00

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{ stdenv, fetchurl, fetchpatch, python2, zlib, pkgconfig, glib
, ncurses, perl, pixman, vde2, alsaLib, texinfo, flex
, bison, lzo, snappy, libaio, gnutls, nettle, curl
, makeWrapper
, attr, libcap, libcap_ng
, CoreServices, Cocoa, rez, setfile
, numaSupport ? stdenv.isLinux && !stdenv.isAarch32, numactl
, seccompSupport ? stdenv.isLinux, libseccomp
, pulseSupport ? !stdenv.isDarwin, libpulseaudio
, sdlSupport ? !stdenv.isDarwin, SDL2
, gtkSupport ? !stdenv.isDarwin && !xenSupport, gtk3, gettext, gnome3
, vncSupport ? true, libjpeg, libpng
, spiceSupport ? !stdenv.isDarwin, spice, spice-protocol
, usbredirSupport ? spiceSupport, usbredir
, xenSupport ? false, xen
, openGLSupport ? sdlSupport, mesa_noglu, epoxy, libdrm
, virglSupport ? openGLSupport, virglrenderer
, hostCpuOnly ? false
, nixosTestRunner ? false
}:
with stdenv.lib;
let
version = "2.12.0";
sha256 = "17377xxbmwbrnh895a108z944pqi39hzrbw4jzgj8pcipi3s3x69";
audio = optionalString (hasSuffix "linux" stdenv.system) "alsa,"
+ optionalString pulseSupport "pa,"
+ optionalString sdlSupport "sdl,";
hostCpuTargets = if stdenv.isx86_64 then "i386-softmmu,x86_64-softmmu"
else if stdenv.isi686 then "i386-softmmu"
else if stdenv.isAarch32 then "arm-softmmu"
else if stdenv.isAarch64 then "aarch64-softmmu"
else throw "Don't know how to build a 'hostCpuOnly = true' QEMU";
in
stdenv.mkDerivation rec {
name = "qemu-"
+ stdenv.lib.optionalString xenSupport "xen-"
+ stdenv.lib.optionalString hostCpuOnly "host-cpu-only-"
+ stdenv.lib.optionalString nixosTestRunner "for-vm-tests-"
+ version;
src = fetchurl {
url = "http://wiki.qemu.org/download/qemu-${version}.tar.bz2";
inherit sha256;
};
buildInputs =
[ python2 zlib pkgconfig glib ncurses perl pixman
vde2 texinfo flex bison makeWrapper lzo snappy
gnutls nettle curl
]
++ optionals stdenv.isDarwin [ CoreServices Cocoa rez setfile ]
++ optionals seccompSupport [ libseccomp ]
++ optionals numaSupport [ numactl ]
++ optionals pulseSupport [ libpulseaudio ]
++ optionals sdlSupport [ SDL2 ]
++ optionals gtkSupport [ gtk3 gettext gnome3.vte ]
++ optionals vncSupport [ libjpeg libpng ]
++ optionals spiceSupport [ spice-protocol spice ]
++ optionals usbredirSupport [ usbredir ]
++ optionals stdenv.isLinux [ alsaLib libaio libcap_ng libcap attr ]
++ optionals xenSupport [ xen ]
++ optionals openGLSupport [ mesa_noglu epoxy libdrm ]
++ optionals virglSupport [ virglrenderer ];
enableParallelBuilding = true;
outputs = [ "out" "ga" ];
patches = [ ./no-etc-install.patch ]
++ optional nixosTestRunner ./force-uid0-on-9p.patch
++ optional pulseSupport ./fix-hda-recording.patch
++ optionals stdenv.hostPlatform.isMusl [
(fetchpatch {
url = https://raw.githubusercontent.com/alpinelinux/aports/2bb133986e8fa90e2e76d53369f03861a87a74ef/main/qemu/xattr_size_max.patch;
sha256 = "1xfdjs1jlvs99hpf670yianb8c3qz2ars8syzyz8f2c2cp5y4bxb";
})
(fetchpatch {
url = https://raw.githubusercontent.com/alpinelinux/aports/2bb133986e8fa90e2e76d53369f03861a87a74ef/main/qemu/musl-F_SHLCK-and-F_EXLCK.patch;
sha256 = "1gm67v41gw6apzgz7jr3zv9z80wvkv0jaxd2w4d16hmipa8bhs0k";
})
(fetchpatch {
url = https://raw.githubusercontent.com/alpinelinux/aports/61a7a1b77a868e3b940c0b25e6c2b2a6c32caf20/main/qemu/0006-linux-user-signal.c-define-__SIGRTMIN-MAX-for-non-GN.patch;
sha256 = "1ar6r1vpmhnbs72v6mhgyahcjcf7b9b4xi7asx17sy68m171d2g6";
})
(fetchpatch {
url = https://raw.githubusercontent.com/alpinelinux/aports/2bb133986e8fa90e2e76d53369f03861a87a74ef/main/qemu/fix-sigevent-and-sigval_t.patch;
sha256 = "0wk0rrcqywhrw9hygy6ap0lfg314m9z1wr2hn8338r5gfcw75mav";
})
];
hardeningDisable = [ "stackprotector" ];
preConfigure = ''
unset CPP # intereferes with dependency calculation
'' + optionalString stdenv.hostPlatform.isMusl ''
NIX_CFLAGS_COMPILE+=" -D_LINUX_SYSINFO_H"
'';
configureFlags =
[ "--smbd=smbd" # use `smbd' from $PATH
"--audio-drv-list=${audio}"
"--sysconfdir=/etc"
"--localstatedir=/var"
]
# disable sysctl check on darwin.
++ optional stdenv.isDarwin "--cpu=x86_64"
++ optional numaSupport "--enable-numa"
++ optional seccompSupport "--enable-seccomp"
++ optional spiceSupport "--enable-spice"
++ optional usbredirSupport "--enable-usb-redir"
++ optional hostCpuOnly "--target-list=${hostCpuTargets}"
++ optional stdenv.isDarwin "--enable-cocoa"
++ optional stdenv.isLinux "--enable-linux-aio"
++ optional gtkSupport "--enable-gtk"
++ optional xenSupport "--enable-xen"
++ optional openGLSupport "--enable-opengl"
++ optional virglSupport "--enable-virglrenderer";
postFixup =
''
for exe in $out/bin/qemu-system-* ; do
paxmark m $exe
done
# copy qemu-ga (guest agent) to separate output
mkdir -p $ga/bin
cp $out/bin/qemu-ga $ga/bin/
'';
# Add a qemu-kvm wrapper for compatibility/convenience.
postInstall =
if stdenv.isx86_64 then ''makeWrapper $out/bin/qemu-system-x86_64 $out/bin/qemu-kvm --add-flags "\$([ -e /dev/kvm ] && echo -enable-kvm)"''
else if stdenv.isi686 then ''makeWrapper $out/bin/qemu-system-i386 $out/bin/qemu-kvm --add-flags "\$([ -e /dev/kvm ] && echo -enable-kvm)"''
else if stdenv.isAarch32 then ''makeWrapper $out/bin/qemu-system-arm $out/bin/qemu-kvm --add-flags "\$([ -e /dev/kvm ] && echo -enable-kvm)"''
else if stdenv.isAarch64 then ''makeWrapper $out/bin/qemu-system-aarch64 $out/bin/qemu-kvm --add-flags "\$([ -e /dev/kvm ] && echo -enable-kvm)"''
else "";
passthru = {
qemu-system-i386 = "bin/qemu-system-i386";
};
meta = with stdenv.lib; {
homepage = http://www.qemu.org/;
description = "A generic and open source machine emulator and virtualizer";
license = licenses.gpl2Plus;
maintainers = with maintainers; [ viric eelco ];
platforms = platforms.linux ++ platforms.darwin;
};
}