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Re: Slow linker with shared C++ libraries
- From: Lars Knoll <lars at trolltech dot com>
- To: binutils at sources dot redhat dot com
- Date: Thu, 26 Feb 2004 11:58:05 +0100
- Subject: Re: Slow linker with shared C++ libraries
- Organization: Trolltech
- References: <20040226061928.GA11835@lucon.org>
On Thursday 26 February 2004 07:19, H. J. Lu wrote:
> If a shared C++ library has many weak data definitions and many
> symbols, linking against such libraries can be very slow since
> elf_link_add_object_symbols has to go through all symbols for
> each referenced weak data definition to search for its aliases,
> although in most cases there is no alias. What is the best way
> to speed it up? Can we introduce a linker command not to check
> aliase for a DSO?
Michael Matz and myself made a patch to speed up weak symbol handling in the
linker, see:
http://sources.redhat.com/ml/binutils/2003-09/msg00175.html
As far as I know the patch is still not in binutils, but it sounds very much
like a solution to your problem.
Cheers,
Lars