Not all dls support non-PIC code in DSOs. If you know that
your system handles it fine, just pass the right -pic flag to
configure.
- Sascha
On Fri, 1 Aug 2003, Ilia Alshanetsky wrote:
> On August 1, 2003 12:22 pm, Rasmus Lerdorf wrote:
> > Guys, what do you think about defaulting the build to use -prefer-non-pic
> > and having libtool build a non-pic libphp4.so when building the Apache
> > DSO? That library isn't linked into other programs anyway, and Apache's
> > fork+exec model ensures the pages will be shared regardless of pic. I
> > don't really see what we gain by building it pic, and we certainly lose
> > quite a bit by doing so. In the order of 15-20% execution time on both
> > FreeBSD and Linux with gcc in my tests.
>
> I think this is a good idea, I've been manually doing the same thing on my
> servers by compiling cli & apache separately. Performance wise in my
> experience no-pic code is 25-30% faster on Linux. So far it worked perfectly
> and I had not experienced any problems. I see no reason why we cannot offer
> all PHP users the same performance advantages.
>
> Ilia
>
>
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