[PATCH] Thread-safe libgfortran (PRs fortran/14943 and fortran/21647)

[FX Coudert]

>>Like this?  I went through diff between my 2005-10-08 patch and current
>>thread-safety patch and updated what I've spotted.  I'm not resending the
>>patch because it is huge and hasn't changed too much in the last 2 days
>>(Jannes trans-io.c changes didn't need changes nor the Makefile changes).
> 
> OK to commit.

I do repeat my request that this patch be commited to 4.1 as well (it 
should apply perfectly). It fixes a few bugs which would be much more 
nasty to clear otherwise.

FX