Re: same symbol appearing many times in executable

[Bahadir Balban <bbalban at b-labs dot com>]

On Thu, 2010-10-07 at 11:59 -0700, Ian Lance Taylor wrote:
> Bahadir Balban <bbalban@b-labs.com> writes:
> 
> > I see multiple instances of the same symbol in the final executable. I
> > am suprised because I would expect them to not appear at all, if
> > compiler chose to inline them. If it did not choose to inline, I would
> > expect it to appear only once. This is because even though each instance
> > would be available in every .o file including the header, during the
> > final link they should have been reduced to one instance.
> 
> That last step does not occur by default.  It requires directing the
> linker to find and eliminate those duplicates.  When using the gold
> linker, you can make it occur in some cases by compiling with
> -ffunction-sections and linking with --icf-safe.
> 
> Ian

Hmm I didn't know this. So my best bet seems placing this function in a
source file with no inline.

-- 
Bahadir Balban