Re: [Discuss-gnuradio] Make Check Failures under FC9 on Intel

[Eric Blossom]

On Wed, Jun 18, 2008 at 01:53:33PM -0400, Suprin, Charles E. wrote:
> Eric,
> 
> Looks like the current compiler in 
> 
> g++ --version
> g++ (GCC) 4.3.0 20080428 (Red Hat 4.3.0-8)
> Copyright (C) 2008 Free Software Foundation, Inc.
> 
> I saw the earlier traffic that discussed a compile problem from around
> June 2 2008.  However now we pass compile and fail the checks.
> 
> 
> Charles

I supect a compiler bug.
Here's the list of bugs fixed from 4.3.0 to 4.3.1
http://gcc.gnu.org/bugzilla/buglist.cgi?bug_status=RESOLVED&resolution=FIXED&target_milestone=4.3.1

I suggest testing with gcc 4.3.1 and see if the problem is still
there.  If it's gone, problem solved, otherwise there's more sleuthing to do.

Eric



> -----Original Message-----
> From: Eric Blossom [mailto:address@hidden 
> Sent: Wednesday, June 18, 2008 1:43 PM
> To: Suprin, Charles E.
> Cc: address@hidden
> Subject: Re: [Discuss-gnuradio] Make Check Failures under FC9 on Intel
> 
> On Wed, Jun 18, 2008 at 11:18:47AM -0400, Suprin, Charles E. wrote:
> > Hello,
> > 
> > I am attempting to install and compile the svn version 8598 version
> of
> > gnuradio on a Fedora 9 Pentium 4.  It compiles fine but throws errors
> > during make check.
> > 
> > !!!FAILURES!!!
> > 
> > Test Results:
> > 
> > Run:  90   Failures: 1   Errors: 0
> > 
> > 1) test: qa_gr_fxpt_nco::t1 (F) line: 101 qa_gr_fxpt_nco.cc
> > 
> > double equality assertion failed
> > 
> > - Expected: -0.857728600502014
> > 
> > - Actual  : 0
> > 
> > - Delta   : 9.99999974737875e-06
> > 
> >  
> > 
> > It seems there is an issue both in how it computes the actual and the
> > Delta.
> > 
> >  
> > 
> > A few quick Google searches and scanning the mailing list did not
> show
> > any one else having the issue.
> > 
> >  
> > 
> > Is anyone else having this issue?
> > Charles
> 
> I believe I saw this or something like it when I tested with gcc 4.3.0
> a few months ago.  I didn't worry too much about it since the list of
> known bugs for the compiler was pretty long, and this was the first
> release of 4.3.0  What version of g++ is shipping with F9?
> 
>   $ g++ --version
> 
> Eric