On Tue, Feb 02, 2010 at 09:30:47AM +0530, Nilesh Govindarajan wrote: > On 02/01/2010 05:41 PM, Allan McRae wrote: > >On 01/02/10 21:57, Shridhar Daithankar wrote: > >>On Monday 01 February 2010 16:09:08 solsTiCe d'Hiver wrote: > >>>prelink modifies binary and library to ... prelink ;-) them. during the > >>>days of kde 3 I noticed a significant improvement in loading time of > >>>applications. I have dropped its use (prelink ... and kde3) because some > >>>recent binutils(or gcc or i don't remember) feature is supposed to do > >>>almost the same thing [ref. needed] > >> > >>A long time back(seems like eternity) I wrote a small post describing GNU > >>hash options in linker at http://dhoomketu.net.in/node/34. > >> > >>I cannot find the spec file in the arch GCC package anymore but the > >>binaries > >>do contain GNU hash section. Just run readelf on any binary, like > >>/bin/ls and > >>look for .gnu.hash. > >> > >>If the gcc package forces linker option to be GNU hash style only(I > >>don't know > >>how to verify this on arch), it could achieve the speed improvement > >>and reduce > >>the binary size somewhat as well. > >> > >>I guess most of that is already used by now except for forcing the GNU > >>hash- > >>style only. > > > >The gcc package uses --hash-style=both by default, but the default > >LDFLAGS for makepkg overrides this with --hash-style=gnu > > > >Allan > > > > Well, I'm bumping this thread, but I have a doubt. When we run > prelink, prelinking is permanent or has to be done at every boot ? > > -- > Nilesh Govindarajan > Site & Server Adminstrator > www.itech7.com I think, prelink is permanent.
