On Sun, Nov 07, 2010 at 04:19:10PM +0000, Roger Leigh wrote: > On Fri, Oct 29, 2010 at 03:43:57PM +0200, Matthias Klose wrote: > > For wheezy I'm planning to change the linking behaviour for DSOs (turning > > on --as-needed and --no-copy-dt-needed-entries. The rationale is > > summarized in http://wiki.debian.org/ToolChain/DSOLinking. I would like > > to know about issues with these changes on some of the Debian ports, and > > if we need to disable one of these changes on some port. > > While I understand the rationale for --no-copy-dt-needed-entries for > preventing encapsulation violations via indirect linking, I don't agree > with the use of --as-needed *at all*. If a library has been explicitly > linked in, it shouldn't be removed. This is an issue for fixing in > individual packages, not in the toolchain. > > I can understand on using it on a per-package basis, but not in the > actual toolchain defaults. The compiler and linker *should not be > second-guessing the user*. This can break perfectly legitimate code > making use of ELF constructors and other features which won't be > picked out just by looking at symbol usage.
People have been claiming that constructors or init section are a possible problem. I have yet to see an example where it breaks. Kurt -- To UNSUBSCRIBE, email to debian-powerpc-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/20101114125148.ga26...@roeckx.be
