Even worse with Suse linux. Downloaded latest CVS, done step by step from Compilation.txt and during compilation of CS got this:

In file included from include/csutil/archive.h:24,
                 from libs/csutil/archive.cpp:29:
include/csutil/zip.h:28:18: zlib.h: No such file or directory
libs/csutil/archive.cpp: In member function `char* csArchive::ReadEntry(FILE*,
   csArchive::ArchiveEntry*)\':
libs/csutil/archive.cpp:334: `z_stream\' undeclared (first use this function)
libs/csutil/archive.cpp:334: (Each undeclared identifier is reported only once
   for each function it appears in.)
libs/csutil/archive.cpp:334: parse error before `;\' token
libs/csutil/archive.cpp:337: `zs\' undeclared (first use this function)
libs/csutil/archive.cpp:337: `z_Byte\' undeclared (first use this function)
libs/csutil/archive.cpp:337: parse error before `)\' token
libs/csutil/archive.cpp:339: `alloc_func\' undeclared (first use this function)
libs/csutil/archive.cpp:339: parse error before numeric constant
libs/csutil/archive.cpp:340: `free_func\' undeclared (first use this function)
libs/csutil/archive.cpp:340: parse error before numeric constant
libs/csutil/archive.cpp:343: `inflateInit2\' undeclared (first use this
   function)
libs/csutil/archive.cpp:344: `Z_OK\' undeclared (first use this function)
libs/csutil/archive.cpp:353: parse error before `)\' token
libs/csutil/archive.cpp:360: `Z_PARTIAL_FLUSH\' undeclared (first use this
   function)
libs/csutil/archive.cpp:360: `Z_FINISH\' undeclared (first use this function)
libs/csutil/archive.cpp:360: `inflate\' undeclared (first use this function)
libs/csutil/archive.cpp:363: `inflateEnd\' undeclared (first use this function)
libs/csutil/archive.cpp:368: `Z_STREAM_END\' undeclared (first use this
   function)
libs/csutil/archive.cpp:369: `Z_BUF_ERROR\' undeclared (first use this function)
libs/csutil/archive.cpp: In member function `bool
   csArchive::ArchiveEntry::WriteFile(FILE*)\':
libs/csutil/archive.cpp:962: parse error before `)\' token
libs/csutil/archive.cpp:983: parse error before `;\' token
libs/csutil/archive.cpp:985: parse error before numeric constant
libs/csutil/archive.cpp:986: parse error before numeric constant
libs/csutil/archive.cpp:987: parse error before `)\' token
libs/csutil/archive.cpp:989: `Z_DEFAULT_COMPRESSION\' undeclared (first use this
   function)
libs/csutil/archive.cpp:989: `deflateInit\' undeclared (first use this function)
libs/csutil/archive.cpp:999: parse error before `)\' token
libs/csutil/archive.cpp:1002: `deflate\' undeclared (first use this function)
libs/csutil/archive.cpp:1009: `deflateEnd\' undeclared (first use this function)
make[1]: *** [out/UNIX/X86/debug/archive.o] Error 1
make[1]: Target `bindoc\' not remade because of errors.
make: *** [bindoc] Error 2

Any chance of help ?

Lukas