Build on sparc64 fails with "undefined reference to `fdt_check_full'"

This bug has been copied automatically from: https://bugs.launchpad.net/qemu/+bug/1907427
Reported by 'John Paul Adrian Glaubitz' on 2020-12-09 :

Trying to build QEMU on sparc64 fails with:

[4648/8435] c++  -o qemu-system-ppc64 qemu-system-ppc64.p/softmmu_main.c.o
libcommon.fa.p/ui_vnc-auth-sasl.c.o libcommon.fa.p/migration_colo-
failover.c.o libcommon.fa.p/hw_input_vhost-user-input.c.o
libcommon.fa.p/replay_replay-random.c.o libcommon.fa.p/hw_9pfs_codir.c.o
libcommon.fa.p/hw_display_edid-region.c.o
libcommon.fa.p/hw_net_vhost_net.c.o libcommon.fa.p/hw_isa_i82378.c.o
libcommon.fa.p/backends_rng-egd.c.o libcommon.fa.p/hw_usb_core.c.o
libcommon.fa.p/hw_pci-bridge_i82801b11.c.o libcommon.fa.p/net_tap.c.o
libcommon.fa.p/hw_ipack_ipack.c.o libcommon.fa.p/hw_scsi_mptconfig.c.o
libcommon.fa.p/hw_usb_libhw.c.o libcommon.fa.p/hw_display_sm501.c.o
libcommon.fa.p/hw_net_rocker_rocker_world.c.o libcommon.fa.p/fsdev_qemu-
fsdev.c.o libcommon.fa.p/backends_tpm_tpm_util.c.o libcommon.fa.p/net_tap-
linux.c.o libcommon.fa.p/hw_net_rocker_rocker_fp.c.o
libcommon.fa.p/hw_usb_dev-uas.c.o libcommon.fa.p/hw_net_fsl_etsec_miim.c.o
libcommon.fa.p/net_queue.c.o libcommon.fa.p/hw_isa_isa-superio.c.o
libcommon.fa.p/migration_global_state.c.o libcommon.fa.p/backends_rng-
random.c.o libcommon.fa.p/hw_ipmi_ipmi_bmc_extern.c.o
libcommon.fa.p/migration_postcopy-ram.c.o
libcommon.fa.p/hw_scsi_megasas.c.o libcommon.fa.p/hw_acpi_acpi-stub.c.o
libcommon.fa.p/hw_nvram_mac_nvram.c.o libcommon.fa.p/hw_net_pcnet-pci.c.o
libcommon.fa.p/cpus-common.c.o libcommon.fa.p/hw_core_qdev-properties-
system.c.o libcommon.fa.p/migration_colo.c.o libcommon.fa.p/ui_spice-
module.c.o libcommon.fa.p/hw_usb_hcd-ehci-pci.c.o
libcommon.fa.p/migration_exec.c.o libcommon.fa.p/hw_input_adb-kbd.c.o
libcommon.fa.p/hw_timer_xilinx_timer.c.o libcommon.fa.p/hw_cpu_core.c.o
libcommon.fa.p/chardev_msmouse.c.o libcommon.fa.p/migration_socket.c.o
libcommon.fa.p/hw_9pfs_9p-synth.c.o libcommon.fa.p/backends_dbus-
vmstate.c.o libcommon.fa.p/net_colo-compare.c.o
libcommon.fa.p/hw_misc_macio_cuda.c.o libcommon.fa.p/hw_audio_intel-
hda.c.o libcommon.fa.p/audio_audio_legacy.c.o
(...)
libio.fa libchardev.fa -Wl,--no-whole-archive -Wl,--warn-common
-Wl,-z,relro -Wl,-z,now -m64 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=.
-fstack-protector-strong -Wformat -Werror=format-security -Wdate-time
-D_FORTIFY_SOURCE=2 -Wl,-z,relro -Wl,--as-needed -fstack-protector-strong
libmigration.fa -Wl,--start-group libqemuutil.a contrib/libvhost-
user/libvhost-user.a libqmp.fa libhwcore.fa libblockdev.fa libblock.fa
libcrypto.fa libauthz.fa libqom.fa libio.fa libchardev.fa @block.syms
@qemu.syms /usr/lib/gcc/sparc64-linux-gnu/10/../../../sparc64-linux-
gnu/libfdt.so /usr/lib/sparc64-linux-gnu/libcapstone.so -lepoxy -lgbm
/usr/lib/sparc64-linux-gnu/libpixman-1.so /usr/lib/sparc64-linux-
gnu/libz.so /usr/lib/sparc64-linux-gnu/libslirp.so /usr/lib/sparc64-linux-
gnu/libglib-2.0.so -lrdmacm -libverbs -libumad -lgio-2.0 -lgobject-2.0
-lglib-2.0 -lgio-2.0 -lgobject-2.0 -lglib-2.0 /usr/lib/gcc/sparc64-linux-
gnu/10/../../../sparc64-linux-gnu/libsasl2.so @block.syms -lusb-1.0
/lib/sparc64-linux-gnu/libudev.so /usr/lib/sparc64-linux-gnu/libpng16.so
-lvdeplug /usr/lib/sparc64-linux-gnu/libjpeg.so -pthread -luring -lgnutls
-lutil -lgio-2.0 -lgobject-2.0 -lglib-2.0 -lgio-2.0 -lgobject-2.0
-lglib-2.0 -lm -Wl,--export-dynamic -lgmodule-2.0 -lglib-2.0 -laio -luring
-lgnutls -lnettle -lstdc++ -Wl,--end-group
/usr/bin/ld: libqemu-ppc64-softmmu.fa.p/hw_ppc_spapr_hcall.c.o: in
function `h_update_dt':
./b/qemu/../../hw/ppc/spapr_hcall.c:1966: undefined reference to
`fdt_check_full'
collect2: error: ld returned 1 exit status

Full build log available at:
https://buildd.debian.org/status/fetch.php?pkg=qemu&arch=sparc64&ver=1%3A5.2%2Bdfsg-1&stamp=1607502300&raw=0