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Date: Sat, 3 Jul 2010 12:08:11 +0200
From: Joerg Sonnenberger <joerg@britannica.bec.de>
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Subject: Re: Using lex in a shared library
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On Fri, Jul 02, 2010 at 04:52:45PM -0700, Xin LI wrote:
> I think that amd64 requires a static library be compiled with -fPIC if
> it's being linked into shared object.  This should not be done for
> normal static libraries, though, as this could give some performance
> penalty when it's not needed (i.e. a static binary).

More precisely, AMD64 disallows absolute references in the text segment.
The performance penalty for PIC on AMD64 is minimal as it can do
RIP-relative addressing.

Joerg