[SAMBA3:PATCH] always use -fPIC

[Stefan (metze) Metzmacher]

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Hi,

I've created a patch that avoids the rebuilding of all object
files to get shared libs and modules.

As we always use -fPIE for the normal object files (when supported)
we can just use -fPIC for the normal ones too (with the same effect).

the logic is like this:

if -pie and -fPIE are supported, we initialize PICFLAG=-fPIE
and add -pie to the LDFLAGS for binaries.

when enable_shared is "yes" we overwrite PICFLAG with the value
depending on the system (-fPIC on most systems)

Does anyone see problems with this approach?

We use this for a long time in samba4 now, but we
don't have much tested shared lib/module support there...

Comments are welcome:-)

metze
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