To be sure I built upstream v4.2.1 and it reports the expected and required linkage. Build needs some additional tweaking to avoid libssh deprecated functions causing -Werror to trigger:
$ sudo apt install liblzma-dev
$ ../../qemu/configure --target-list=aarch64-linux-user --static --disable-system --enable-linux-user --extra-cflags='-Wno-deprecated-declarations'
$ make -j8 V=1
$ file ./aarch64-linux-user/qemu-aarch64 ./aarch64-linux-user/qemu-aarch64: ELF 64-bit LSB executable, x86-64, version 1 (GNU/Linux), statically linked, BuildID[sha1]=70f5e10ac0eb9b63d7758850e2f18d0a047d4b79, for GNU/Linux 3.2.0, with debug_info, not stripped
To be sure I built upstream v4.2.1 and it reports the expected and required linkage. Build needs some additional tweaking to avoid libssh deprecated functions causing -Werror to trigger:
$ sudo apt install liblzma-dev
$ ../../qemu/ configure --target- list=aarch64- linux-user --static --disable-system --enable-linux-user --extra- cflags= '-Wno-deprecate d-declarations'
$ make -j8 V=1
$ file ./aarch64- linux-user/ qemu-aarch64 linux-user/ qemu-aarch64: ELF 64-bit LSB executable, x86-64, version 1 (GNU/Linux), statically linked, BuildID[ sha1]=70f5e10ac 0eb9b63d7758850 e2f18d0a047d4b7 9, for GNU/Linux 3.2.0, with debug_info, not stripped
./aarch64-