[Bug libfortran/94586] trigd_lib.inc:84:28: error: implicit declaration of function 'fmaf'

[dave.anglin at bell dot net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94586

--- Comment #8 from dave.anglin at bell dot net ---
On 2020-04-14 2:12 p.m., sgk at troutmask dot apl.washington.edu wrote:
> #ifdef HAVE_GFC_REAL_16
> #endif
This one.
>
> Is hppa64 claiming support for a REAL type that it actually
> doesn't support?
Support is a fuzzy word.  There's enough support to build libquadmath.
>
> In any event, you can extend the kludge
>
> #if (__STDC_VERSION__ < 199901L)
> #define fmaf(a,b,c) ((a)*(b)+(c))
> #define fma(a,b,c) ((a)*(b)+(c))
> #define fmal(a,b,c) ((a)*(b)+(c))
> #define cosl(a) cos((double)(a))
> #define sinl(a) sin((double)(a))
> #define tanl(a) tan((double)(a))
> #define fabsl(a) ((a) < 0 ? -(a) : (a))
> #define copysignl(a,b) (fabsl(a)*((b)/fabsl(b)))
> #endif
I have something that builds now.  Need to test.

I think we need to use _POSIX_VERSION as __STDC_VERSION__ is set by cpp.

Dave