[Bug fortran/79305] real128 - undefined reference to cexpl

[sgk at troutmask dot apl.washington.edu]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79305

--- Comment #3 from Steve Kargl <sgk at troutmask dot apl.washington.edu> ---
On Tue, Jan 31, 2017 at 06:00:43PM +0000, kargl at gcc dot gnu.org wrote:
> 
> The above will clearly never be built. In fact, a causal perusal
> of c99_protos.h shows that none of the fallback functions in
> c99_functions.c are built.
> 

Ugh.  I retract this part of the analysis.  c99_protos.h is
not used within c99_functions.c.  The issue is an incorrect
spelling of HAVE_EXPL as EXPL.