gcc - NaCl XSalso20 C code not compiling -


i trying out xsalsa20 code nacl website. unable compile it.

  #include "build/blackdragon/include/x86/crypto_stream.h" #include<stdio.h>  int main(){ //const unsigned char m[crypto_stream_xsalsa20; const unsigned char k[crypto_stream_xsalsa20_keybytes] = "1234567890123456789012345678901"; const unsigned char n[crypto_stream_xsalsa20_noncebytes] = "12345678901234567890123"; unsigned char c[51]; unsigned long long len; len = 50; crypto_stream_xsalsa20(c,len,n,k);  //printf("%s",m); return 0; }

when try compile gcc getting following error message.

/tmp/ccnai8z1.o: in function `main': test.cpp:(.text+0xbc): undefined reference `crypto_stream_xsalsa20_ref' /tmp/ccnai8z1.o:(.eh_frame+0x13): undefined reference `__gxx_personality_v0' collect2:error: ld returned 1 exit status

could please me trouble shoot this.

ps: code within nacl folder compiled nacl

i solved installing library system path. easy can use 

apt-get install libnacl-dev

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