>    Another round,another problem. Probably I'm a little bit masochistic
>    because what I do everyday is to find problems to solve them,like a lot of
>    computer enthusiasts. This time I'm trying to use qemu 5.1 with
>    virt-manager and libvirt. Devuan 4 is the host o.s that I'm running on my
>    ARM chromebook. By default it uses qemu and its dependencies,version 5.2.
>    I remember that I can't use qemu 5.2,because it doesn't have any support
>    for KVM. For this reason,I've compiled qemu 5.1 from source. Below I shown
>    how I have configured it such as a little piece of compilation messages :
>    apt install libgtk-3-dev libpulse-dev libgbm-dev libspice-protocol-dev
>    libspice-server-dev libusb-1.0-0-dev libepoxy-dev
>    cd /usr/share
>    mv qemu qemu_

>    cd /usr/lib
>    mv qemu qemu_

>    cd /usr/lib/arm-linux-gnueabihf
>    mv qemu qemu_

>    cd /usr/lib/ipxe
>    mv qemu qemu_

>    cd /usr/share/bash-completion/completions/
>    mv qemu qemu_
>    mv qemu-kvm qemu-kvm_
>    mv qemu-system-i386 qemu-system-i386_
>    mv qemu-system-x86_64 qemu-system-x86_64_
>    cd /usr/bin
>    mv qemu-system-arm qemu-system-arm_
>    cp /root/Desktop/qemu-v5.1.0/arm-softmmu/qemu-system-arm /usr/bin
>    CFLAGS=-Wno-error ./configure --target-list=x86_64-softmmu --enable-opengl
>    --enable-gtk --enable-kvm --enable-guest-agent --enable-spice
>    --audio-drv-list="oss pa" --enable-libusb

>    install -d -m 0755 "/usr/local/share/qemu"
>    install -d -m 0755 "/usr/local/var"/run
>    install -d -m 0755 "/usr/local/include"
>    install -d -m 0755 "/usr/local/bin"
>    install -c -m 0755 qemu-ga qemu-keymap ivshmem-client ivshmem-server
>    qemu-nbd qemu-storage-daemon qemu-img qemu-io qemu-edid  "/usr/local/bin"
>    strip "/usr/local/bin/qemu-ga" "/usr/local/bin/qemu-keymap"
>    "/usr/local/bin/ivshmem-client" "/usr/local/bin/ivshmem-server"
>    "/usr/local/bin/qemu-nbd" "/usr/local/bin/qemu-storage-daemon"
>    "/usr/local/bin/qemu-img" "/usr/local/bin/qemu-io"
>    "/usr/local/bin/qemu-edid"
>    install -d -m 0755 "/usr/local/libexec"
>    install -c -m 0755 scsi/qemu-pr-helper qemu-bridge-helper
>    "/usr/local/libexec"
>    strip "/usr/local/libexec/qemu-pr-helper"
>    "/usr/local/libexec/qemu-bridge-helper"
>    set -e; for x in bios.bin bios-256k.bin bios-microvm.bin sgabios.bin
>    vgabios.bin vgabios-cirrus.bin vgabios-stdvga.bin vgabios-vmware.bin
>    vgabios-qxl.bin vgabios-virtio.bin vgabios-ramfb.bin
>    vgabios-bochs-display.bin vgabios-ati.bin openbios-sparc32
>    openbios-sparc64 openbios-ppc QEMU,tcx.bin QEMU,cgthree.bin pxe-e1000.rom
>    pxe-eepro100.rom pxe-ne2k_pci.rom pxe-pcnet.rom pxe-rtl8139.rom
>    pxe-virtio.rom efi-e1000.rom efi-eepro100.rom efi-ne2k_pci.rom
>    efi-pcnet.rom efi-rtl8139.rom efi-virtio.rom efi-e1000e.rom
>    efi-vmxnet3.rom qemu-nsis.bmp bamboo.dtb canyonlands.dtb
>    petalogix-s3adsp1800.dtb petalogix-ml605.dtb multiboot.bin linuxboot.bin
>    linuxboot_dma.bin kvmvapic.bin pvh.bin s390-ccw.img s390-netboot.img
>    slof.bin skiboot.lid palcode-clipper u-boot.e500
>    u-boot-sam460-20100605.bin qemu_vga.ndrv edk2-licenses.txt
>    hppa-firmware.img opensbi-riscv32-sifive_u-fw_jump.bin
>    opensbi-riscv32-virt-fw_jump.bin opensbi-riscv64-sifive_u-fw_jump.bin
>    opensbi-riscv64-virt-fw_jump.bin; do \
>            install -c -m 0644 /root/Desktop/qemu-v5.1.0/pc-bios/$x
>    "/usr/local/share/qemu"; \
>    done
>    set -e; for x in pc-bios/edk2-aarch64-code.fd pc-bios/edk2-arm-code.fd
>    pc-bios/edk2-arm-vars.fd pc-bios/edk2-i386-code.fd
>    pc-bios/edk2-i386-secure-code.fd pc-bios/edk2-i386-vars.fd
>    pc-bios/edk2-x86_64-code.fd pc-bios/edk2-x86_64-secure-code.fd; do \
>            install -c -m 0644 $x "/usr/local/share/qemu"; \
>    done
>    install -d -m 0755 "/usr/local/share/qemu/firmware"
>    set -e; tmpf=$(mktemp); trap 'rm -f -- "$tmpf"' EXIT; \
>    for x in 50-edk2-i386-secure.json 50-edk2-x86_64-secure.json
>    60-edk2-aarch64.json 60-edk2-arm.json 60-edk2-i386.json
>    60-edk2-x86_64.json; do \
>            sed -e 's,@DATADIR@,/usr/local/share/qemu,' \
>                    "/root/Desktop/qemu-v5.1.0/pc-bios/descriptors/$x" >
>    "$tmpf"; \
>            install -c -m 0644 "$tmpf" \
>                    "/usr/local/share/qemu/firmware/$x"; \
>    done
>    for s in 16x16 24x24 32x32 48x48 64x64 128x128 256x256 512x512; do \
>            mkdir -p "/usr/local/share/icons/hicolor/${s}/apps"; \
>            install -c -m 0644
>    /root/Desktop/qemu-v5.1.0/ui/icons/qemu_${s}.png \
>                    "/usr/local/share/icons/hicolor/${s}/apps/qemu.png"; \
>    done; \
>    mkdir -p "/usr/local/share/icons/hicolor/32x32/apps"; \
>    install -c -m 0644 /root/Desktop/qemu-v5.1.0/ui/icons/qemu_32x32.bmp \
>            "/usr/local/share/icons/hicolor/32x32/apps/qemu.bmp"; \
>    mkdir -p "/usr/local/share/icons/hicolor/scalable/apps"; \
>    install -c -m 0644 /root/Desktop/qemu-v5.1.0/ui/icons/qemu.svg \
>            "/usr/local/share/icons/hicolor/scalable/apps/qemu.svg"
>    mkdir -p "/usr/local/share/applications"
>    install -c -m 0644 /root/Desktop/qemu-v5.1.0/ui/qemu.desktop \
>            "/usr/local/share/applications/qemu.desktop"
>    make -C po install
>    make[1]: Entering directory '/root/Desktop/qemu-v5.1.0/po'
>    for obj in bg.mo de_DE.mo fr_FR.mo hu.mo it.mo sv.mo tr.mo zh_CN.mo; do \
>        base=$(basename $obj .mo); \
>        install -d /usr/local/share/locale/$base/LC_MESSAGES; \
>        install -m644 $obj /usr/local/share/locale/$base/LC_MESSAGES/qemu.mo;
>    \
>    done
>    make[1]: Leaving directory '/root/Desktop/qemu-v5.1.0/po'
>    install -d -m 0755 "/usr/local/share/qemu/keymaps"
>    set -e; for x in da     en-gb  et  fr     fr-ch  is  lt  no  pt-br  sv
>    ar      de     en-us  fi  fr-be  hr     it  lv  nl         pl  ru     th
>    de-ch  es     fo  fr-ca  hu     ja  mk  pt  sl     tr bepo    cz; do \
>            install -c -m 0644 /root/Desktop/qemu-v5.1.0/pc-bios/keymaps/$x
>    "/usr/local/share/qemu/keymaps"; \
>    done
>    install -c -m 0644 /root/Desktop/qemu-v5.1.0/trace-events-all
>    "/usr/local/share/qemu/trace-events-all"
>    These are the resulting versions of my frankenstein operation :
>    root@devuan:/usr/share# virsh version
>    Compiled against library: libvirt 7.0.0
>    Using library: libvirt 7.0.0
>    Using API: QEMU 7.0.0
>    Running hypervisor: QEMU 5.1.0

>    At this point I've run virt-manager. It has been able to detect qemu,but I
>    get the following error :
>    Warning : Failed to set up UEFI. The Libvirt version does not support
>    UEFI. Install options are limited.
>    Do you have some suggestions to give me to fix this error ? I'm sure to
>    have missed something, thanks.