libg++-2.8.1.3-20000914.diff.gz (was: Re: Segmentation fault building libg++ without named returns)

[Manfred Hollstein]

On Thursday, 21 September 2000, 12:47:30 -0400, dave@hiauly1.hia.nrc.ca wrote:

[...]
> > Your analysis is correct and is similar to my observations. Since I
> > don't have enough time to fix this properly, I came up with the hack
> > to use -O0 on ia32-linux. I've attached the patch which supersedes the
> > former version -20000907; "make bootstrap check" ran successfully using
> > this patch.
> 
> I have found that the problem is in some way related to math inlines.  If
> the build is done with __NO_MATH_INLINES defined, then Fix.o contains all
> the required weak defines.  There are no testsuite failures with your
> version -20000907 if I add -D__NO_MATH_INLINES to CXXFLAGS in the Makefile's.
> 
> The math inlines are output at optimisations above O0.  If the preprocessing
> is done at -O0 and the compilation at -O3, the weak defines are there.  The
> other way around doesn't work.

I observed similar problems while building libgcj; adding
-D__NO_MATH_INLINES cured them, too. I've been out during
the last two weeks, so I don't know the current status.
I'll check once I have time and keep you posted.

Cheers.

l8er
manfred