Implementation notes: amd64, temp, crypto_encrypt/ntruees1087ep1

Computer: temp
Architecture: amd64
CPU ID: AuthenticAMD-00800f12-178bfbff
SUPERCOP version: 20191017
Operation: crypto_encrypt
Primitive: ntruees1087ep1

Compiler output

Implementation: ref
Security model: unknown
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE
try.c: crypto_encrypt_ntruees1087ep1.a(encrypt.o): In function `crypto_encrypt_ntruees1087ep1_ref':
try.c: encrypt.c:(.text+0x...): undefined reference to `ntru_crypto_external_drbg_instantiate'
try.c: crypto_encrypt_ntruees1087ep1.a(encrypt.o): In function `crypto_encrypt_ntruees1087ep1_ref_keypair':
try.c: encrypt.c:(.text+0x...): undefined reference to `ntru_crypto_external_drbg_instantiate'
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 ref
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE ref
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE ref
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE ref