On Tue, 2007-01-30 at 19:58 +0100, Till Maas wrote:
> On Tuesday 30 January 2007 19:30, Ralf Corsepius wrote:
>
> > Yes, most packages link through the compiler and do not explicitly
> > invoke the linker. Therefore, in most cases, linking also receives
> > CFLAGS, which makes tweaking LDFLAGS unnecessary.
> >
> > In exotic cases (e.g. build-scripts), it can be necessary to also tweak
> > LDFLAGS.
>
> So whenever linking is done whith gcc then it needs to be passed
> $RPM_OPT_FLAGS ?
Yes. Probably 99.9% of all existing Makefiles automatically do so.
> Or how do I know whether or not to tweak LDFLAGS?
By checking build logs.
Normally you'll see build errors ("Missing symbols", "wrong
architecture" or similar if something doesn't work.
> If you like, please take a look into my package john, because I am not sure
> whether or not LDFLAGS=$RPM_OPT_FLAGS are needed there but when I tested the
> difference it seemed that even with LDFLAGS="" the stack protection worked.
Ralf
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