diff options
Diffstat (limited to 'gnulib/import/m4/isnanl.m4')
| -rw-r--r-- | gnulib/import/m4/isnanl.m4 | 25 |
1 files changed, 8 insertions, 17 deletions
diff --git a/gnulib/import/m4/isnanl.m4 b/gnulib/import/m4/isnanl.m4 index 75d5462..1ef16f5 100644 --- a/gnulib/import/m4/isnanl.m4 +++ b/gnulib/import/m4/isnanl.m4 @@ -1,5 +1,5 @@ -# isnanl.m4 serial 21 -dnl Copyright (C) 2007-2020 Free Software Foundation, Inc. +# isnanl.m4 serial 22 +dnl Copyright (C) 2007-2021 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -68,12 +68,9 @@ AC_DEFUN([gl_HAVE_ISNANL_NO_LIBM], AC_LINK_IFELSE( [AC_LANG_PROGRAM( [[#include <math.h> - #ifndef __has_builtin - # define __has_builtin(name) 0 - #endif - #if __GNUC__ >= 4 && (!defined __clang__ || __has_builtin (__builtin_isnanl)) + #if (__GNUC__ >= 4) || (__clang_major__ >= 4) # undef isnanl - # define isnanl(x) __builtin_isnanl ((long double)(x)) + # define isnanl(x) __builtin_isnan ((long double)(x)) #elif defined isnan # undef isnanl # define isnanl(x) isnan ((long double)(x)) @@ -96,12 +93,9 @@ AC_DEFUN([gl_HAVE_ISNANL_IN_LIBM], AC_LINK_IFELSE( [AC_LANG_PROGRAM( [[#include <math.h> - #ifndef __has_builtin - # define __has_builtin(name) 0 - #endif - #if __GNUC__ >= 4 && (!defined __clang__ || __has_builtin (__builtin_isnanl)) + #if (__GNUC__ >= 4) || (__clang_major__ >= 4) # undef isnanl - # define isnanl(x) __builtin_isnanl ((long double)(x)) + # define isnanl(x) __builtin_isnan ((long double)(x)) #elif defined isnan # undef isnanl # define isnanl(x) isnan ((long double)(x)) @@ -129,12 +123,9 @@ AC_DEFUN([gl_FUNC_ISNANL_WORKS], #include <float.h> #include <limits.h> #include <math.h> -#ifndef __has_builtin -# define __has_builtin(name) 0 -#endif -#if __GNUC__ >= 4 && (!defined __clang__ || __has_builtin (__builtin_isnanl)) +#if (__GNUC__ >= 4) || (__clang_major__ >= 4) # undef isnanl -# define isnanl(x) __builtin_isnanl ((long double)(x)) +# define isnanl(x) __builtin_isnan ((long double)(x)) #elif defined isnan # undef isnanl # define isnanl(x) isnan ((long double)(x)) |