[PATCH] Another huge_val.h fix

[Jakub Jelinek]

>  > Fortunately g++ 2.96 does (ObjC did already in 2.95), so IMHO we have three
>  > choices:
>  > - simply prereq 2.96 like done with this patch
>  > - use # if __GNUC_PREREQ(2,96) || (__GNUC_PREREQ(2,95) && !defined(__cplusplus))
>  > - kill the hex floating consts bits from huge_val.h
> 
> HUGE_VAL is required by some standards.  IMO we can't just disable it for
> gcc <= 2.95, especially since 2.96 is not released yet.
> 
> The only practical solution I see is to leave it the way it is and
> condem -pedantic.

#if __GNUC_PREREQ(2,96)

does not disable it for gcc <= 2.95, see huge_val.h, it is just a nicer way
of specifying that constant.
For older gcc (to which by this patch is added gcc 2.95 due to g++), it uses
the other definition, e.g.:

#ifdef __GNUC__
# if __GNUC_PREREQ(2,96)
#  define HUGE_VAL (0x1.0p2047)
# else
#  define HUGE_VAL \
  (__extension__ \
   ((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \
    { __l: 0x7ff0000000000000ULL }).__d)
# endif
#else
Lame definition for non-gcc compilers
#endif

	Jakub