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On Linux,
if you have exported LD_DEBUG=help and then run ldd, or any executable that might use the dynamic linker it would print out debugging options. One of them (can't remmeber) should be to print out what's being loaded from where. 

http://linux.die.net/man/8/ld-linux
(I think it's kind of like that on OSX too, but it's DYLD_xxx - https://developer.apple.com/library/mac/#documentation/Darwin/Reference/Manpages/man1/dyld.1.html )
On Windows, you should try the dependency walker. Load the executable with it, and it would give you the EXPLICIT dynamic libs, but since some of them might be implicit, press F7, and prepare all arguments, work dir, etc. then run it, - it would print out errors and problems. 

http://www.dependencywalker.com/

Thanks,
Dimiter 'malkia' Stanev.


On 2/28/2012 12:35 AM, Choonster TheMage wrote:

Hi,

I'm trying to install the the Lua library "lzlib" via LuaRocks, but the
compiler can't seem to find the appropriate binary for zlib. When I run
"luarocks install lzlib" at the command line, I get one of these errors:

On Ubuntu 11.10 64 bit: "Error: Could not find expected file libz.so for
ZLIB -- you may have to install ZLIB in your system and/or set the
ZLIB_DIR variable"

On Windows 7 64 bit "Error: Could not find expected file libz.dll for
ZLIB -- you may have to install ZLIB in your system and/or set the
ZLIB_DIR variable"


I've tried setting the ZLIB_DIR variable both at the command line
(luarocks ZLIB=/blah/blah/blah install lzlib) and in the
build.build_variables section of the rockspec (after downloading and
extracting manually through LuaRocks) but I still get the same error.

I'm writing a program (in Lua) that receives data compressed in either
deflate or gzip format (I'm not entirely sure which) from a website, so
I need a library that can decompress it for me.

Could anyone please help me resolve this?

Thanks,
Choonster