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[Bug c/20317] New: Solaris 10 and HUGE_VAL


Compiling the program

#define _XOPEN_SOURCE 600
#include <math.h>

int main()
{
  double x = HUGE_VAL;
}

using 
/opt/sfw/bin/gcc --std=gnu99 a.c
gives
a.c: In function `main':
a.c:6: error: incompatible types in initialization

I'll attach the preprocessor output if I can; in short,
HUGE_VAL expands to __builtin_huge_val, which is a
function in gcc but a constant in SunPRO.

fixinclude needs to adjust this difference, fixing 
iso/math_c99.h appropriately.

-- 
           Summary: Solaris 10 and HUGE_VAL
           Product: gcc
           Version: 3.4.2
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: martin at v dot loewis dot de
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: sparc-sun-solaris2.10
  GCC host triplet: sparc-sun-solaris2.10
GCC target triplet: sparc-sun-solaris2.10


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20317


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