--as-needed and undefined non-weak symbols

Ville Skyttä ville.skytta at iki.fi
Thu Oct 26 15:16:37 UTC 2006


On Thu, 2006-10-26 at 09:52 -0500, Rex Dieter wrote:
> Ville Skyttä wrote:
> 

> > trying "gcc -lgtk foo.c" on the above fails as expected, and "gcc -lgdk
> > -lgtk foo.c" succeeds, again as expected.  However, to my surprise, "gcc
> > -Wl,--as-needed -lgdk -lgtk foo.c" fails:
> 
> Try
> gcc -Wl,--as-needed  foo.c -lgtk -lgdk
> or even better:
> gcc -Wl,--as-needed  foo.c `pkg-config --libs gtk+`
> instead.  

Both succeed but neither links in libgdk, resulting in runtime symbol
lookup errors.  But anyway, that doesn't answer my question, see the two
last paragraphs in my original message at
https://www.redhat.com/archives/fedora-devel-list/2006-October/msg00724.html




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