Dominique Leducq wrote: > >> -----Message d'origine----- >> De : Florian Klaempfl [mailto:[EMAIL PROTECTED] >> Envoyé : lundi 22 mai 2006 19:56 >> À : [EMAIL PROTECTED]; FPC developers' list >> Objet : Re: [fpc-devel] shared libraries on x86_64 Linux ? >> >> Dominique Leducq wrote: >>> Hello, >>> >>> I'm new to this list (and to Free Pascal...) >>> >>> What are the news from bug #6618 (ex 4733), on building shared libraries >> on a x86_64 architecture? >>> http://www.freepascal.org/mantis/view.php?id=6618 >>> >>> I did some tests, and it seems to bee still present in 2.0.2 and current >> 2.1.1 snapshot (I encountered no problems with i386). >>> In the BTS I see that the status is still new,open, and there seems to >> have been no activity on this bug since its submission. >>> I also had a look at the thread "Hitting bug 4733" on this list >>> http://lists.freepascal.org/lists/fpc-devel/2006-April/007514.html >>> and to >> http://community.freepascal.org:10000/bboards/message?message_id=152498&fo >> rum_id=24083 >>> in the forums (AMD64 shared library link problem) >>> >>> Has anybody had a look at it? >>> If yes, does it seem to be hard to fix? >> The problem is that we don't want to compile the default rtl with PIC. >> >>> Is it the PIC generation that is broken for x86_64? >> Afaik not. >> >>> Please tell me if there are any plans on the matter. I'm quite willing >> to help, but would appreciate a little help... >> >> You simply need to rebuild the rtl with PIC. > [Dominique Leducq] > > Well, I already tried that with 2.0.2 : make rtl "OPT=-Cg" (is that right ?), > but it didn't work > (yes, I checked that the right system unit was used by the linker) > I will try again with 2.1.1
I guess it doesn't work completely in 2.0.3 > > I had nothing to recompile to make it work with i386 linux: is the default > RTL compiled with PIC for i386? No, PIC isn't necessary for i386 shared libs. In theory, they aren't necessary for x86_64 shared libs either but the linux loader/linker can't handle this. > If so, why not for x86_64? I know that there are performances losses with > PIC, > but I thought that this losses where lessened with x86_64 arch? >>> Thanks a lot, >>> >>> Dominique Leducq >>> >>> >>> >>> _______________________________________________ >>> fpc-devel maillist - fpc-devel@lists.freepascal.org >>> http://lists.freepascal.org/mailman/listinfo/fpc-devel >>> > > > > > _______________________________________________ > fpc-devel maillist - fpc-devel@lists.freepascal.org > http://lists.freepascal.org/mailman/listinfo/fpc-devel > _______________________________________________ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel
