I new to debian and ipconfig. I followed the perfect setup and every thing looks good. But when i run the setup script i get an error. In file included from cryptlib.h:75, from cryptlib.c:117: ../include/openssl/err.h:279: error: syntax error before '*' token cryptlib.c: In function `CRYPTO_thread_id': cryptlib.c:440: warning: implicit declaration of function `getpid' cryptlib.c: In function `OPENSSL_cpuid_setup': cryptlib.c:559: warning: implicit declaration of function `getenv' cryptlib.c:559: warning: assignment makes pointer from integer without a cast cryptlib.c:560: warning: implicit declaration of function `strtoul' cryptlib.c: In function `OPENSSL_showfatal': cryptlib.c:754: warning: implicit declaration of function `vfprintf' cryptlib.c:754: error: `stderr' undeclared (first use in this function) cryptlib.c:754: error: (Each undeclared identifier is reported only once cryptlib.c:754: error: for each function it appears in.) cryptlib.c: In function `OpenSSLDie': cryptlib.c:765: warning: implicit declaration of function `abort' cryptlib.c: In function `OPENSSL_stderr': cryptlib.c:768: error: `stderr' undeclared (first use in this function) make[1]: *** [cryptlib.o] Error 1 make[1]: Leaving directory `/root/install_ispconfig/compile_aps/openssl-0.9.8/crypto' make: *** [build_crypto] Error 1 ERROR: Could not make OpenSSL I think i am missing a package but i dont know what to install.