On Mon, Sep 29, 2008 at 06:05:07AM -0600, Eric Blake wrote: > According to Tom G. Christensen on 9/28/2008 4:16 AM: > > > > On Irix 6.x gnulib test-signbit still fails: > > test-signbit.c:149: assertion failed > > /bin/ksh[10]: 18432 Abort(coredump) > > FAIL: test-signbit > > That line is "ASSERT (!signbit (-zerol));". I wonder if we're tripping > over some compiler bugs; at any rate, it is in the area of code where we > still don't have an answer for the HP compiler bug on how to reliably > compile -0.0L (minus_zerol in the if on line 146 is not necessarily the > same as -zerol in the ASSERT, so the wrong if branch may have been taken). > Can you post the relevent section of config.log related to signbit tests? > I wasn't sure what parts would be considered relevant so I've dumped full config.log files and buildlogs at: http://jupiterrise.com/tmp
One other thing I noticed is that configure can't find the signbit in a 'long double' on Irix 6.x: checking where to find the sign bit in a 'long double'... unknown -tgc
