Re: PATCH: Support LD_SYMBOLIC and LD_SYMBOLIC_FUNCTIONS

["H. J. Lu" <hjl at lucon dot org>]

On Thu, Jan 25, 2007 at 07:58:48AM -0500, Daniel Jacobowitz wrote:
> On Wed, Jan 24, 2007 at 07:48:07PM -0800, H. J. Lu wrote:
> > I rebuilt firefox with -Bsymbolic-functions. It significantly reduced
> > number of relocations in DSOs and improved firefox load time.  This
> > patch allows me to apply -Bsymbolic-functions on firefox by just
> > setting LD_SYMBOLIC_FUNCTIONS before compiling it.  It will make it
> > trivial to rebuild any or all packages with -Bsymbolic-functions and
> > improve system performance.
> 
> Just my two cents, but I think this is a horribly bad idea, for the
> same reason that there isn't a general $LD_OPTIONS variable (or
> $GCC_OPTIONS).  It will hurt reproducibility.

It is very convenient to use LD_SYMBOLIC_FUNCTIONS on a per package
bassis. You can set it in a Makefile, script or a rpm spec file in
the build environment.


H.J.