...
--- bss_tou.o ---
tcponudp/bss_tou.c:96:13: error: static declaration of 'BIO_get_shutdown' follows non-static declaration
static int  BIO_get_shutdown(BIO *a) { return a->shutdown; }
            ^
/usr/local/include/openssl/bio.h:611:5: note: previous declaration is here
int     BIO_get_shutdown(BIO *a);
        ^
tcponudp/bss_tou.c:98:13: error: static declaration of 'BIO_set_init' follows non-static declaration
static void BIO_set_init(BIO *a,int i) { a->init=i; }
            ^
/usr/local/include/openssl/bio.h:610:7: note: previous declaration is here
void    BIO_set_init(BIO *a, int init);
        ^
tcponudp/bss_tou.c:99:13: error: static declaration of 'BIO_set_data' follows non-static declaration
static void BIO_set_data(BIO *a,void *p) { a->ptr = p; }
            ^
/usr/local/include/openssl/bio.h:609:7: note: previous declaration is here
void    BIO_set_data(BIO *a, void *ptr);
        ^
3 errors generated.
*** [bss_tou.o] Error code 1

make[2]: stopped in /tmp/ports/usr/ports/net-p2p/retroshare/work/RetroShare-0.6.4/libretroshare/src
...