Implementation notes: aarch64, warbear0, crypto_encrypt/mceliece

Computer: warbear0
Architecture: aarch64
CPU ID: 411fd072
SUPERCOP version: 20200826
Operation: crypto_encrypt
Primitive: mceliece

Compiler output

Implementation: T:ref
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE
try.c: /usr/lib64/gcc/aarch64-suse-linux/9/../../../../aarch64-suse-linux/bin/ld: crypto_encrypt_mceliece.a(keypair.o): in function `gop_supr':
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: /usr/lib64/gcc/aarch64-suse-linux/9/../../../../aarch64-suse-linux/bin/ld: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: /usr/lib64/gcc/aarch64-suse-linux/9/../../../../aarch64-suse-linux/bin/ld: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: /usr/lib64/gcc/aarch64-suse-linux/9/../../../../aarch64-suse-linux/bin/ld: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: /usr/lib64/gcc/aarch64-suse-linux/9/../../../../aarch64-suse-linux/bin/ld: crypto_encrypt_mceliece.a(keypair.o): in function `crypto_encrypt_mceliece_ref_timingleaks_keypair':
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: /usr/lib64/gcc/aarch64-suse-linux/9/../../../../aarch64-suse-linux/bin/ld: crypto_encrypt_mceliece.a(keypair.o):keypair.c:(.text+0x...): more undefined references to `u8rnd' follow
try.c: collect2: error: ld returned 1 exit status
Number of similar (compiler,implementation) pairs: 4, namely:
CompilerImplementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:ref
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:ref
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE T:ref
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE T:ref