why -pie?

[Stefan (metze) Metzmacher]

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Hi tridge,

> I've been bitten by the -pie compile flag in Samba3. I noticed you
> added it in r19093, can you explain why its needed?

I haven't added it, it was lars, see
http://viewcvs.samba.org/cgi-bin/viewcvs.cgi?rev=8151&view=rev

I just fixed --disable-pie for configure -C

and changed the build to use -fPIC for all object files, as we do in
samba4. Before it was -fPIE for object files used for linking binaries
and in a 2nd run -fPIC for object files used for linking shared libraries.

The -pie linking option for binaries is still there if the compiler
supports it.

I would be fine if we change the default to what --disable-pie do
currently, I could create the patch...

metze
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