ia64: Regenerate ulps

[thirdparty/glibc.git] / bits / libc-header-start.h

diff --git a/bits/libc-header-start.h b/bits/libc-header-start.h
index ee6a876d8280f52e0f15673fca951f510ca4579d..73af2af965ad48be530a2fdbdf9cbf4ae76d75bc 100644 (file)
--- a/bits/libc-header-start.h
+++ b/bits/libc-header-start.h
@@ -1,5 +1,5 @@
 /* Handle feature test macros at the start of a header.
-   Copyright (C) 2016 Free Software Foundation, Inc.
+   Copyright (C) 2016-2023 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
@@ -14,7 +14,7 @@
 
    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/>.  */
 
 /* This header is internal to glibc and should not be included outside
    of glibc headers.  Headers including it must define
@@ -43,19 +43,68 @@
 #endif
 
 /* ISO/IEC TS 18661-1:2014 defines the __STDC_WANT_IEC_60559_BFP_EXT__
-   macro.  */
+   macro.  Most but not all symbols enabled by that macro in TS
+   18661-1 are enabled unconditionally in C2X.  In C2X, the symbols in
+   Annex F still require a new feature test macro
+   __STDC_WANT_IEC_60559_EXT__ instead (C2X does not define
+   __STDC_WANT_IEC_60559_BFP_EXT__), while a few features from TS
+   18661-1 are not included in C2X (and thus should depend on
+   __STDC_WANT_IEC_60559_BFP_EXT__ even when C2X features are
+   enabled).
+
+   __GLIBC_USE (IEC_60559_BFP_EXT) controls those features from TS
+   18661-1 not included in C2X.
+
+   __GLIBC_USE (IEC_60559_BFP_EXT_C2X) controls those features from TS
+   18661-1 that are also included in C2X (with no feature test macro
+   required in C2X).
+
+   __GLIBC_USE (IEC_60559_EXT) controls those features from TS 18661-1
+   that are included in C2X but conditional on
+   __STDC_WANT_IEC_60559_EXT__.  (There are currently no features
+   conditional on __STDC_WANT_IEC_60559_EXT__ that are not in TS
+   18661-1.)  */
 #undef __GLIBC_USE_IEC_60559_BFP_EXT
 #if defined __USE_GNU || defined __STDC_WANT_IEC_60559_BFP_EXT__
 # define __GLIBC_USE_IEC_60559_BFP_EXT 1
 #else
 # define __GLIBC_USE_IEC_60559_BFP_EXT 0
 #endif
+#undef __GLIBC_USE_IEC_60559_BFP_EXT_C2X
+#if __GLIBC_USE (IEC_60559_BFP_EXT) || __GLIBC_USE (ISOC2X)
+# define __GLIBC_USE_IEC_60559_BFP_EXT_C2X 1
+#else
+# define __GLIBC_USE_IEC_60559_BFP_EXT_C2X 0
+#endif
+#undef __GLIBC_USE_IEC_60559_EXT
+#if __GLIBC_USE (IEC_60559_BFP_EXT) || defined __STDC_WANT_IEC_60559_EXT__
+# define __GLIBC_USE_IEC_60559_EXT 1
+#else
+# define __GLIBC_USE_IEC_60559_EXT 0
+#endif
 
 /* ISO/IEC TS 18661-4:2015 defines the
-   __STDC_WANT_IEC_60559_FUNCS_EXT__ macro.  */
+   __STDC_WANT_IEC_60559_FUNCS_EXT__ macro.  Other than the reduction
+   functions, the symbols from this TS are enabled unconditionally in
+   C2X.  */
 #undef __GLIBC_USE_IEC_60559_FUNCS_EXT
 #if defined __USE_GNU || defined __STDC_WANT_IEC_60559_FUNCS_EXT__
 # define __GLIBC_USE_IEC_60559_FUNCS_EXT 1
 #else
 # define __GLIBC_USE_IEC_60559_FUNCS_EXT 0
 #endif
+#undef __GLIBC_USE_IEC_60559_FUNCS_EXT_C2X
+#if __GLIBC_USE (IEC_60559_FUNCS_EXT) || __GLIBC_USE (ISOC2X)
+# define __GLIBC_USE_IEC_60559_FUNCS_EXT_C2X 1
+#else
+# define __GLIBC_USE_IEC_60559_FUNCS_EXT_C2X 0
+#endif
+
+/* ISO/IEC TS 18661-3:2015 defines the
+   __STDC_WANT_IEC_60559_TYPES_EXT__ macro.  */
+#undef __GLIBC_USE_IEC_60559_TYPES_EXT
+#if defined __USE_GNU || defined __STDC_WANT_IEC_60559_TYPES_EXT__
+# define __GLIBC_USE_IEC_60559_TYPES_EXT 1
+#else
+# define __GLIBC_USE_IEC_60559_TYPES_EXT 0
+#endif