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Diffstat (limited to 'lib/libc/glibc/include/features.h')
-rw-r--r--lib/libc/glibc/include/features.h27
1 files changed, 21 insertions, 6 deletions
diff --git a/lib/libc/glibc/include/features.h b/lib/libc/glibc/include/features.h
index bf47d881dd..b6ff1e9b7b 100644
--- a/lib/libc/glibc/include/features.h
+++ b/lib/libc/glibc/include/features.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 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
@@ -13,7 +13,7 @@
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/>. */
+ <https://www.gnu.org/licenses/>. */
#ifndef _FEATURES_H
#define _FEATURES_H 1
@@ -24,6 +24,7 @@
__STRICT_ANSI__ ISO Standard C.
_ISOC99_SOURCE Extensions to ISO C89 from ISO C99.
_ISOC11_SOURCE Extensions to ISO C99 from ISO C11.
+ _ISOC2X_SOURCE Extensions to ISO C99 from ISO C2X.
__STDC_WANT_LIB_EXT2__
Extensions to ISO C99 from TR 27431-2:2010.
__STDC_WANT_IEC_60559_BFP_EXT__
@@ -139,6 +140,7 @@
#undef __USE_GNU
#undef __USE_FORTIFY_LEVEL
#undef __KERNEL_STRICT_NAMES
+#undef __GLIBC_USE_ISOC2X
#undef __GLIBC_USE_DEPRECATED_GETS
#undef __GLIBC_USE_DEPRECATED_SCANF
@@ -195,6 +197,8 @@
# define _ISOC99_SOURCE 1
# undef _ISOC11_SOURCE
# define _ISOC11_SOURCE 1
+# undef _ISOC2X_SOURCE
+# define _ISOC2X_SOURCE 1
# undef _POSIX_SOURCE
# define _POSIX_SOURCE 1
# undef _POSIX_C_SOURCE
@@ -216,26 +220,37 @@
#if (defined _DEFAULT_SOURCE \
|| (!defined __STRICT_ANSI__ \
&& !defined _ISOC99_SOURCE && !defined _ISOC11_SOURCE \
+ && !defined _ISOC2X_SOURCE \
&& !defined _POSIX_SOURCE && !defined _POSIX_C_SOURCE \
&& !defined _XOPEN_SOURCE))
# undef _DEFAULT_SOURCE
# define _DEFAULT_SOURCE 1
#endif
+/* This is to enable the ISO C2X extension. */
+#if (defined _ISOC2X_SOURCE \
+ || (defined __STDC_VERSION__ && __STDC_VERSION__ > 201710L))
+# define __GLIBC_USE_ISOC2X 1
+#else
+# define __GLIBC_USE_ISOC2X 0
+#endif
+
/* This is to enable the ISO C11 extension. */
-#if (defined _ISOC11_SOURCE \
+#if (defined _ISOC11_SOURCE || defined _ISOC2X_SOURCE \
|| (defined __STDC_VERSION__ && __STDC_VERSION__ >= 201112L))
# define __USE_ISOC11 1
#endif
/* This is to enable the ISO C99 extension. */
-#if (defined _ISOC99_SOURCE || defined _ISOC11_SOURCE \
+#if (defined _ISOC99_SOURCE || defined _ISOC11_SOURCE \
+ || defined _ISOC2X_SOURCE \
|| (defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L))
# define __USE_ISOC99 1
#endif
/* This is to enable the ISO C90 Amendment 1:1995 extension. */
-#if (defined _ISOC99_SOURCE || defined _ISOC11_SOURCE \
+#if (defined _ISOC99_SOURCE || defined _ISOC11_SOURCE \
+ || defined _ISOC2X_SOURCE \
|| (defined __STDC_VERSION__ && __STDC_VERSION__ >= 199409L))
# define __USE_ISOC95 1
#endif
@@ -439,7 +454,7 @@
/* Major and minor version number of the GNU C library package. Use
these macros to test for features in specific releases. */
#define __GLIBC__ 2
-#define __GLIBC_MINOR__ 30
+#define __GLIBC_MINOR__ 31
#define __GLIBC_PREREQ(maj, min) \
((__GLIBC__ << 16) + __GLIBC_MINOR__ >= ((maj) << 16) + (min))