Implementation notes: amd64, spawn, crypto_hash/md2

Computer: spawn
Microarchitecture: amd64; Zen 3 (a20f10)
Architecture: amd64
CPU ID: AuthenticAMD-00a20f10-178bfbff
SUPERCOP version: 20231215
Operation: crypto_hash
Primitive: md2

Compiler output

Implementation: T:openssl
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE
hash.c: hash.c: In function 'crypto_hash_md2_openssl_timingleaks':
hash.c: hash.c:7:3: warning: implicit declaration of function 'MD2' [-Wimplicit-function-declaration]
hash.c: 7 | MD2(in,inlen,out);
hash.c: | ^~~
try.c: /usr/bin/ld: libcrypto_hash_md2.a(hash.o): in function `crypto_hash_md2_openssl_timingleaks':
try.c: hash.c:(.text+0x...): undefined reference to `MD2'
try.c: collect2: error: ld returned 1 exit status

Number of similar (compiler,implementation) pairs: 4, namely:
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:openssl
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:openssl
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE T:openssl
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE T:openssl