Merge commit 'refs/top-bases/t/____longjmp_chk' into t/____longjmp_chkt/____longjmp_chk

1 files changed, 39 insertions, 0 deletions

diff --git a/bits/long-double.h b/bits/long-double.h
new file mode 100644
index 0000000000..33b8dfc454
--- /dev/null
+++ b/bits/long-double.h
@@ -0,0 +1,39 @@
+/* Properties of long double type.
+   Copyright (C) 2016-2018 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
+   modify it under the terms of the GNU Lesser General Public
+   License  published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* This header is included by <sys/cdefs.h>.
+
+   If long double is ABI-compatible with double, it should define
+   __NO_LONG_DOUBLE_MATH to 1; otherwise, it should leave
+   __NO_LONG_DOUBLE_MATH undefined.
+
+   If this build of the GNU C Library supports both long double
+   ABI-compatible with double and some other long double format not
+   ABI-compatible with double, it should define
+   __LONG_DOUBLE_MATH_OPTIONAL to 1; otherwise, it should leave
+   __LONG_DOUBLE_MATH_OPTIONAL undefined.
+
+   If __NO_LONG_DOUBLE_MATH is already defined, this header must not
+   define anything; this is needed to work with the definition of
+   __NO_LONG_DOUBLE_MATH in nldbl-compat.h.  */
+
+/* In the default version of this header, long double is
+   ABI-compatible with double.  */
+#ifndef __NO_LONG_DOUBLE_MATH
+# define __NO_LONG_DOUBLE_MATH	1
+#endif