安装zlib求助

happyaliyun

下载了最新的zlib1.2.11,结果编译出错，换成1.2.9，也还是有问题，最后下载的1.2.8版本的，也还是报错。。。。
Checking for gcc...
Checking for shared library support...
Building shared library libz.so.1.2.8 with gcc.
Checking for off64_t... Yes.
Checking for fseeko... Yes.
Checking for strerror... Yes.
Checking for unistd.h... Yes.
Checking for stdarg.h... No.
Checking whether to use vs[n]printf() or s[n]printf()... using s[n]printf().
Checking for snprintf() in stdio.h... No.
  WARNING: snprintf() not found, falling back to sprintf(). zlib
  can build but will be open to possible buffer-overflow security
  vulnerabilities.
Checking for return value of sprintf()... No.
  WARNING: apparently sprintf() does not return a value. zlib
  can build but will be open to possible string-format security
  vulnerabilities.
Checking for attribute(visibility) support... Yes.

happyaliyun

求助这是什么原因啊啊啊，真是头都大了