I'm just trying to compile the linux-based FCEUX (NES emulator) on my mac, OS X 10.5 Leopard.

I got all the dependencies (SDL, GTK+ 2) going and everything but of all things this is now my problem:

Undefined symbols: 
"_compress", referenced from: SaveSnapshot() in video.o
"_gzclose", referenced from: FCEU_fopen(char const*, char const*, char*, char*, int, char const**)in file.o
"_crc32", referenced from: CalcCRC32(unsigned int, unsigned char*, unsigned int)in crc32.o
_unzReadCurrentFile in unzip.o _unzReadCurrentFile in unzip.o
"_uncompress", referenced from: NetplayUpdate(unsigned char*)in netplay.o FCEUSS_LoadFP(EMUFILE*, ENUM_SSLOADPARAMS) in state.o
"_compress2", referenced from: FCEUNET_SendFile(unsigned char, char*)in netplay.o FCEUSS_SaveMS(EMUFILE*, int) in state.o
"_inflateEnd", referenced from: _unzCloseCurrentFile in unzip.o
"_inflate", referenced from: _unzReadCurrentFile in unzip.o
"inflateInit2", referenced from: _unzOpenCurrentFile in unzip.o
"_gzgetc", referenced from: FCEU_fopen(char const*, char const*, char*, char*, int, char const**)in file.o
"_gzopen", referenced from: FCEU_fopen(char const*, char const*, char*, char*, int, char const**)in file.o
"_gzread", referenced from: FCEU_fopen(char const*, char const*, char*, char*, int, char const**)in file.o
"_gzseek", referenced from: FCEU_fopen(char const*, char const*, char*, char*, int, char const*)in file.o 
ld: symbol(s) not found collect2: ld returned 1 exit status
scons: ** [src/fceux] Error 1 scons: building terminated because of errors.

Those are zlib functions. It seems like it is loading the zlib.h ok, but the symbols aren't being linked in? Just to make sure I downloaded the latest zlib and did a make install, no help. I have no clue what's going on here, it seems like it should be pretty basic, that library is nothing special. Help would be appreciated. Thanks.