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Diffstat (limited to 'sysdeps/generic/bits/huge_val.h')
-rw-r--r--sysdeps/generic/bits/huge_val.h9
1 files changed, 6 insertions, 3 deletions
diff --git a/sysdeps/generic/bits/huge_val.h b/sysdeps/generic/bits/huge_val.h
index 545b8a615b..e102ac3220 100644
--- a/sysdeps/generic/bits/huge_val.h
+++ b/sysdeps/generic/bits/huge_val.h
@@ -1,6 +1,6 @@
/* Stub `HUGE_VAL' constant.
Used by <stdlib.h> and <math.h> functions for overflow.
- Copyright (C) 1992, 1996, 1997 Free Software Foundation, Inc.
+ Copyright (C) 1992, 1996, 1997, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -22,5 +22,8 @@
# error "Never use <bits/huge_val.h> directly; include <math.h> instead."
#endif
-
-#define HUGE_VAL 1e37
+#if __GNUC_PREREQ(3,3)
+# define HUGE_VAL (__builtin_huge_val())
+#else
+# define HUGE_VAL 1e37
+#endif