Implementation notes: amd64, sliver, crypto_encrypt/mceliece

Computer: sliver
Architecture: amd64
CPU ID: GenuineIntel-00040651-bfebfbff
SUPERCOP version: 20160731
Operation: crypto_encrypt
Primitive: mceliece

Test failure

Implementation: crypto_encrypt/mceliece/ref
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv

error 111

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv	ref
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv	ref
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv	ref
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv	ref

Compiler output

Implementation: crypto_encrypt/mceliece/ref
Compiler: clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments

misc.c: misc.c:6:44: warning: passing 'char *' to parameter of type 'unsigned char *' converts between pointers to integer types with different sign [-Wpointer-sign]
misc.c: __inline int u8rnd() { char c; randombytes(&c,1); return 255 & (int) c; }
misc.c: ^~
misc.c: /home/supercop/supercop-20160718/supercop-data/sliver/amd64/include/randombytes.h:4:40: note: passing argument to parameter here
misc.c: extern void randombytes(unsigned char *,unsigned long long);
misc.c: ^
misc.c: 1 warning generated.
try.c: /tmp/try-anything-edbe0d.o: In function `alignedcalloc':
try.c: try-anything.c:(.text+0x...): warning: warning: random() may return deterministic values, is that what you want?
try.c: crypto_encrypt_mceliece.a(keypair.o): In function `gop_supr':
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: crypto_encrypt_mceliece.a(keypair.o): In function `crypto_encrypt_mceliece_ref_keypair':
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: crypto_encrypt_mceliece.a(keypair.o):keypair.c:(.text+0x...): more undefined references to `u8rnd' follow
try.c: clang-3.5: error: linker command failed with exit code 1 (use -v to see invocation)