[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 #4 from Steve Kargl <sgk at troutmask dot apl.washington.edu> ---
On Tue, Jan 31, 2017 at 06:27:06PM +0000, mexas at bristol dot ac.uk wrote:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79305
> 
> --- Comment #2 from Anton Shterenlikht <mexas at bristol dot ac.uk> ---
> I think the program is standard conforming.
> So strictly speaking the compiler is not standard conforming here, right?
> 

The compiler is standard conforming.  Simply a bug in spelling
HAVE_EXPL as EXPL.  With a patch to 7.0, I have

troutmask:sgk[211] ./z
                (1.46869393991588515717,-2.28735528717884239124)

with your program.