[Bug fortran/51103] configure: error: GNU Fortran is not working

[sgk at troutmask dot apl.washington.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51103

--- Comment #11 from Steve Kargl <sgk at troutmask dot apl.washington.edu> 2011-11-12 17:29:38 UTC ---
On Sat, Nov 12, 2011 at 05:22:42PM +0000, richalewis at gmail dot com wrote:
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51103
> 
> --- Comment #9 from Richard Lewis <richalewis at gmail dot com> 2011-11-12 17:22:42 UTC ---
> (In reply to comment #8)
> > On Sat, Nov 12, 2011 at 02:51:32PM +0000, richalewis at gmail dot com wrote:
> > > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51103
> > > 
> > > --- Comment #7 from Richard Lewis <richalewis at gmail dot com> 2011-11-12 14:51:32 UTC ---
> > > Created attachment 25807 [details]
> > >   --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25807
> > > libgfortran build log
> > > 
> > > -- 
> > 
> > In what directory is the gcc source code?
> > 
> > In what directory did you run configure?
> 
> ./gcc-4.6.2
> 
> configure and make in the top level directory, libgfortran.a build fails
> 

What happens if you actually follow the installation instruction?

Building gcc within its source directory hierarchy has not been
supported for years.   One can get lucky and have a successful
build, but it is neither guaranteed to work nor recommended.