Ori Idan wrote:
> I tried: gcc -o i2csend i2csend.c -lftdi
>
> Just changing -lftdi to be at the end of the command line and it workd.
> I still wonder why?
Your GCC probably passes --as-needed to the linker by default. Ubuntu
started doing this in Natty and Debian in Wheezy. This means the
linker only pulls in symbols from a library if it needs them. When
you put libftdi first, none of those symbols are needed yet and so
nothing gets included.
See e.g. http://wiki.debian.org/ToolChain/DSOLinking#Onlylinkwithneededlibraries
-jim
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