[oe] [RFC] Enable --hash-style=both for all recent gcc4 targets
rpurdie at rpsys.net
Wed Oct 15 13:31:39 CEST 2008
On Wed, 2008-10-15 at 13:09 +0200, Koen Kooi wrote:
> On 15-10-2008 12:43, Leon Woestenberg wrote:
> > On Wed, Oct 15, 2008 at 10:22 AM, Holger Freyther<zecke at selfish.org> wrote:
> >> Hey guys,
> >> I would start linking everything with -Wl,--hash-style=both as this is said to
> >> speed up the loading of shared libraries by about 50% (google is your
> > If we care about dynamic link speed we should maybe revisit the rpath issue.
> > I remember seeing strace's where on each .so, 10 attempts were made
> > before the right location was attempted.
> > Actually, it is still on my to do:
> > http://bugs.openembedded.net/show_bug.cgi?id=2140
> Doesn't insane.bbclass log bad rpaths? Or are you talking about spurious
> rpaths that don't point to staging or workdir?
> AIUI libtool 2.x should solve a lot of these.
I think what Leon is referring to is where different hardware
capabilities are checked. In Poky I ended up disabling this as at least
on ARM there were an insane number of different combinations of paths
being checked for. The patch I added to disable it was:
I've not seen bad RPATH values for quite a while now.
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