Raffaele, > Whats the difference or for what are the *.a files and the *.so > OR *.dll files used? Libraries ending in *.a are statically linked libraries. If you compile a program against these, the library code is built into the program. It makes the executable more portable, but much larger. It may also consume more memory when run because it can't share the same library code with other applications needing the same functions. Libraries ending is *.so are shared libraries, which means that two programs calling the same functions can share the memory for this code. It makes the program smaller on the disk, and smaller in memory. But it means that the user of your program must have the library on his or her computer in order to run the program. This is probably the same as with the w32 *.dll files (dynamic link libraries). Chris -- Christopher S. Swingley phone: 907-474-2689 Computer / Network Manager email: cswingle@iarc.uaf.edu IARC -- Frontier Program GPG and PGP keys at my web page: University of Alaska Fairbanks www.frontier.iarc.uaf.edu/~cswingle "They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety." -- Ben Franklin
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