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authorAndy Wingo <wingo@pobox.com>2021-01-20 21:52:54 +0100
committerAndy Wingo <wingo@pobox.com>2021-01-20 23:03:56 +0100
commita91b95cca2d397c84f8b9bbd602d40209a7092ce (patch)
tree2c286a291f5a2b812d6e216be10936f2709d59cf /lib/isnand-nolibm.h
parent758b31994cff582c7e8785b4cc2240dbf3573837 (diff)
downloadguile-a91b95cca2d397c84f8b9bbd602d40209a7092ce.tar.gz
Update Gnulib to v0.1-4379-g2ef5a9b4b
Also bump required autoconf version to 2.64, as required by Gnulib.
Diffstat (limited to 'lib/isnand-nolibm.h')
-rw-r--r--lib/isnand-nolibm.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/isnand-nolibm.h b/lib/isnand-nolibm.h
index 1b1c32943..fbed47489 100644
--- a/lib/isnand-nolibm.h
+++ b/lib/isnand-nolibm.h
@@ -1,5 +1,5 @@
/* Test for NaN that does not need libm.
- Copyright (C) 2007-2017 Free Software Foundation, Inc.
+ Copyright (C) 2007-2021 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
@@ -12,13 +12,13 @@
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
#if HAVE_ISNAND_IN_LIBC
/* Get declaration of isnan macro. */
# include <math.h>
-# if __GNUC__ >= 4
- /* GCC 4.0 and newer provides three built-ins for isnan. */
+# if (__GNUC__ >= 4) || (__clang_major__ >= 4)
+ /* GCC >= 4.0 and clang provide a type-generic built-in for isnan. */
# undef isnand
# define isnand(x) __builtin_isnan ((double)(x))
# else