error installing vbttxbt

[ltd]

I am running centos and have following installed

[root@server1 Tracker]# yum list | grep boost
boost.i386 1.32.0-6.rhel4 installed
boost-devel.i386 1.32.0-6.rhel4 installed
[root@server1 Tracker]# yum list | grep mysql-devel
mysql-devel.i386 4.1.20-2.RHEL4.1.0.1 installed

I also have file permissions set to 777.


While trying to install vbttxbt I am recieving this error.

-sh-3.00$ ./make.sh
../misc/xcc_z.cpp:5:18: zlib.h: No such file or directory
../misc/xcc_z.cpp: In function `Cvirtual_binary xcc_z::gunzip(const void*, int)':
../misc/xcc_z.cpp:14: error: `z_stream' was not declared in this scope
../misc/xcc_z.cpp:14: error: expected `;' before "stream"
../misc/xcc_z.cpp:15: error: `stream' was not declared in this scope
../misc/xcc_z.cpp:23: error: `Z_OK' was not declared in this scope
../misc/xcc_z.cpp:23: error: `MAX_WBITS' was not declared in this scope
../misc/xcc_z.cpp:23: error: `inflateInit2' was not declared in this scope
../misc/xcc_z.cpp:24: error: `Z_STREAM_END' was not declared in this scope
../misc/xcc_z.cpp:24: error: `Z_FINISH' was not declared in this scope
../misc/xcc_z.cpp:24: error: `inflate' was not declared in this scope
../misc/xcc_z.cpp:25: error: `inflateEnd' was not declared in this scope
../misc/xcc_z.cpp: In function `Cvirtual_binary xcc_z::gzip(const void*, int)':
../misc/xcc_z.cpp:48: error: `Z_DEFLATED' was not declared in this scope
../misc/xcc_z.cpp:57: error: `z_stream' was not declared in this scope
../misc/xcc_z.cpp:57: error: expected `;' before "stream"
../misc/xcc_z.cpp:58: error: `stream' was not declared in this scope
../misc/xcc_z.cpp:61: error: `Z_DEFAULT_COMPRESSION' was not declared in this scope
../misc/xcc_z.cpp:61: error: `MAX_WBITS' was not declared in this scope
../misc/xcc_z.cpp:61: error: `MAX_MEM_LEVEL' was not declared in this scope
../misc/xcc_z.cpp:61: error: `Z_DEFAULT_STRATEGY' was not declared in this scope
../misc/xcc_z.cpp:61: error: `deflateInit2' was not declared in this scope
../misc/xcc_z.cpp:66: error: `Z_FINISH' was not declared in this scope
../misc/xcc_z.cpp:66: error: `deflate' was not declared in this scope
../misc/xcc_z.cpp:67: error: `deflateEnd' was not declared in this scope
../misc/xcc_z.cpp:70: error: `crc32' was not declared in this scope
../misc/xcc_z.cpp:70: error: `crc32' was not declared in this scope
../misc/xcc_z.cpp:70: error: declaration of `<typeprefixerror> crc32'
../misc/xcc_z.cpp:70: error: conflicts with previous declaration `<typeprefixerror> crc32'
../misc/xcc_z.cpp: In function `void xcc_z::gzip_out(const void*, int)':
../misc/xcc_z.cpp:88: error: `gzFile' was not declared in this scope
../misc/xcc_z.cpp:88: error: expected `;' before "f"
../misc/xcc_z.cpp:89: error: `f' was not declared in this scope
../misc/xcc_z.cpp:89: error: `gzwrite' was not declared in this scope
../misc/xcc_z.cpp:90: error: `Z_FINISH' was not declared in this scope
../misc/xcc_z.cpp:90: error: `gzflush' was not declared in this scope
../misc/xif_key.cpp:4:18: zlib.h: No such file or directory
../misc/xif_key.cpp: In member function `int Cxif_key::load_key(const byte*, size_t)':
../misc/xif_key.cpp:135: error: `Z_OK' was not declared in this scope
../misc/xif_key.cpp:135: error: `uncompress' was not declared in this scope
../misc/xif_key.cpp:137: error: `Z_OK' was not declared in this scope
../misc/xif_key.cpp:137: error: `uncompress' was not declared in this scope
../misc/xif_key.cpp: In member function `Cvirtual_binary Cxif_key::vdata(bool) const':
../misc/xif_key.cpp:186: error: `compress' was not declared in this scope
../misc/xif_key_r.cpp:4:18: zlib.h: No such file or directory
../misc/xif_key_r.cpp: In member function `int Cxif_key_r::import(Cvirtual_binary)':
../misc/xif_key_r.cpp:25: error: `Z_OK' was not declared in this scope
../misc/xif_key_r.cpp:25: error: `uncompress' was not declared in this scope
../misc/xif_value.cpp:4:18: zlib.h: No such file or directory
-sh-3.00$

any help ?