Try ldd -v ...my.so and look at a list of dlls, then look for "inflate" in those files (objdump -x my.so ...)

I checked my

Encode/Unicode/Unicode.dll
Cwd/Cwd.dll
Encode/Encode.dll
Tk/Tk.dll
Tk/Event/Event.dll
Encode/Byte/Byte.dll
Time/HiRes/HiRes.dll
[download]

they don't mention inflate