[Bug lto/41376] collect2 does not handle static libraries

["rguenther at suse dot de" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #11 from rguenther at suse dot de  2010-05-24 17:27 -------
Subject: Re:  collect2 does not handle static libraries

On Mon, 24 May 2010, bmei at broadcom dot com wrote:

> ------- Comment #10 from bmei at broadcom dot com  2010-05-24 13:29 -------
> annotating functions with externally_visible sounds a bit difficult to
> maintain. Programmer needs to know whether a function is used outside of LTO
> objects. This can change over time and extra efforts are needed to keep it
> correct.  It would be better if GCC can derive that info with -fwhole-program,
> whether it is deal with LTO-object file only or LTO/Regular object files, since
> it should have all the symbol reference information by then. 

Indeed - at least if you are not dealing with building a shared
library or a program which needs to expose symbols to plugins
that are loaded at runtime.  Of course at the moment - if at all - the
symbol reference information is only available when using something
like the linker-plugin.

Richard.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41376