On 8 April 2006 at 08:08, Prof Brian D Ripley wrote:
| > So what shall we do? I would be happy to try either one of the two
| > approaches you suggest to see what s390 does with it.
|
| Yesterday I added s390* to the list of platforms which need -fPIC in
| configure. The problem ought to be solved if I did that in all the needed
| places (which I think I did), so can someone try the current 2.3.0 alpha on
| s390?
I could try and build and upload that later [ as I'm off running now
]. Otherwise, I patches configure and configure.ac with the 'inverted' -ffPIC
for all and -ffpic for ppc32 and m68k we had as an alternative. But if -fpic
has performance advantages as Drepper claims, I like keeping it the general
default.
|
| We still need evidence of the various claims about -fpic vs -fPIC on s390.
| Although I found some evidence of -fPIC being needed in some cases
| elsewhere (and even more so on s390x than s390), could not even find the
| GOT size. Bastian claimed
|
| > -fpic is documented to have limitations on some systems and is not
| > reliable on some of them for larger software.
|
| Just where *is* this documented for s390, since it is a gcc flag and it is
| not (I am pretty sure) in the gcc documentation (which I have just been
| grepping)?
Yes, would be nice to hear from Bastian why one global option would be
preferred.
Dirk
--
Hell, there are no rules here - we're trying to accomplish something.
-- Thomas A. Edison
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