This is notably needed because in glibc 2.34, the move of pthread functions
into libc.so happened for Linux only, not GNU/Hurd.
The pthread_self() function can also always be used fine as it is.
libstdc++-v3/ChangeLog:
* config/os/gnu/os_defines.h: New file.
* config/os/gnu/ctype_base.h: New file.
* config/os/gnu/ctype_configure_char.cc: New file.
* config/os/gnu/ctype_inline.h: New file.
* configure.host: On gnu* host, use os/gnu instead of os/gnu-linux.
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index ba5939d9003..dd288cce2ca 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,11 @@
+2022-08-28 Samuel Thibault <samuel.thiba...@ens-lyon.org>
+
+ * config/os/gnu/os_defines.h: New file.
+ * config/os/gnu/ctype_base.h: New file.
+ * config/os/gnu/ctype_configure_char.cc: New file.
+ * config/os/gnu/ctype_inline.h: New file.
+ * configure.host: On gnu* host, use os/gnu instead of os/gnu-linux.
+
2022-08-27 Patrick Palka <ppa...@redhat.com>
* testsuite/20_util/logical_traits/requirements/base_classes.cc: New
test.
diff --git a/libstdc++-v3/config/os/gnu/ctype_base.h
b/libstdc++-v3/config/os/gnu/ctype_base.h
new file mode 100644
index 00000000000..955146543db
--- /dev/null
+++ b/libstdc++-v3/config/os/gnu/ctype_base.h
@@ -0,0 +1,66 @@
+// Locale support -*- C++ -*-
+
+// Copyright (C) 1997-2022 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This 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 General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file bits/ctype_base.h
+ * This is an internal header file, included by other library headers.
+ * Do not attempt to use it directly. @headername{locale}
+ */
+
+//
+// ISO C++ 14882: 22.1 Locales
+//
+
+// Information as gleaned from /usr/include/ctype.h
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+ /// @brief Base class for ctype.
+ struct ctype_base
+ {
+ // Non-standard typedefs.
+ typedef const int* __to_type;
+
+ // NB: Offsets into ctype<char>::_M_table force a particular size
+ // on the mask type. Because of this, we don't use an enum.
+ typedef unsigned short mask;
+ static const mask upper = _ISupper;
+ static const mask lower = _ISlower;
+ static const mask alpha = _ISalpha;
+ static const mask digit = _ISdigit;
+ static const mask xdigit = _ISxdigit;
+ static const mask space = _ISspace;
+ static const mask print = _ISprint;
+ static const mask graph = _ISalpha | _ISdigit | _ISpunct;
+ static const mask cntrl = _IScntrl;
+ static const mask punct = _ISpunct;
+ static const mask alnum = _ISalpha | _ISdigit;
+#if __cplusplus >= 201103L
+ static const mask blank = _ISblank;
+#endif
+ };
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
diff --git a/libstdc++-v3/config/os/gnu/ctype_configure_char.cc
b/libstdc++-v3/config/os/gnu/ctype_configure_char.cc
new file mode 100644
index 00000000000..5a88fc11ab3
--- /dev/null
+++ b/libstdc++-v3/config/os/gnu/ctype_configure_char.cc
@@ -0,0 +1,196 @@
+// Locale support -*- C++ -*-
+
+// Copyright (C) 2011-2022 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This 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 General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file ctype_configure_char.cc */
+
+//
+// ISO C++ 14882: 22.1 Locales
+//
+
+#include <locale>
+#include <cstdlib>
+#include <cstring>
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+// Information as gleaned from /usr/include/ctype.h
+
+#if _GLIBCXX_C_LOCALE_GNU
+ const ctype_base::mask*
+ ctype<char>::classic_table() throw()
+ { return _S_get_c_locale()->__ctype_b; }
+#else
+ const ctype_base::mask*
+ ctype<char>::classic_table() throw()
+ {
+ const ctype_base::mask* __ret;
+ char* __old = setlocale(LC_CTYPE, NULL);
+ char* __sav = NULL;
+ if (__builtin_strcmp(__old, "C"))
+ {
+ const size_t __len = __builtin_strlen(__old) + 1;
+ __sav = new char[__len];
+ __builtin_memcpy(__sav, __old, __len);
+ setlocale(LC_CTYPE, "C");
+ }
+#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
+ __ret = *__ctype_b_loc();
+#else
+ __ret = __ctype_b;
+#endif
+ if (__sav)
+ {
+ setlocale(LC_CTYPE, __sav);
+ delete [] __sav;
+ }
+ return __ret;
+ }
+#endif
+
+#if _GLIBCXX_C_LOCALE_GNU
+ ctype<char>::ctype(__c_locale __cloc, const mask* __table, bool __del,
+ size_t __refs)
+ : facet(__refs), _M_c_locale_ctype(_S_clone_c_locale(__cloc)),
+ _M_del(__table != 0 && __del),
+ _M_toupper(_M_c_locale_ctype->__ctype_toupper),
+ _M_tolower(_M_c_locale_ctype->__ctype_tolower),
+ _M_table(__table ? __table : _M_c_locale_ctype->__ctype_b),
+ _M_widen_ok(0), _M_narrow_ok(0)
+ {
+ __builtin_memset(_M_widen, 0, sizeof(_M_widen));
+ __builtin_memset(_M_narrow, 0, sizeof(_M_narrow));
+ }
+#else
+ ctype<char>::ctype(__c_locale, const mask* __table, bool __del,
+ size_t __refs)
+ : facet(__refs), _M_c_locale_ctype(_S_get_c_locale()),
+ _M_del(__table != 0 && __del), _M_widen_ok(0), _M_narrow_ok(0)
+ {
+ char* __old = setlocale(LC_CTYPE, NULL);
+ char* __sav = NULL;
+ if (__builtin_strcmp(__old, "C"))
+ {
+ const size_t __len = __builtin_strlen(__old) + 1;
+ __sav = new char[__len];
+ __builtin_memcpy(__sav, __old, __len);
+ setlocale(LC_CTYPE, "C");
+ }
+#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
+ _M_toupper = *__ctype_toupper_loc();
+ _M_tolower = *__ctype_tolower_loc();
+ _M_table = __table ? __table : *__ctype_b_loc();
+#else
+ _M_toupper = __ctype_toupper;
+ _M_tolower = __ctype_tolower;
+ _M_table = __table ? __table : __ctype_b;
+#endif
+ if (__sav)
+ {
+ setlocale(LC_CTYPE, __sav);
+ delete [] __sav;
+ }
+ __builtin_memset(_M_widen, 0, sizeof(_M_widen));
+ __builtin_memset(_M_narrow, 0, sizeof(_M_narrow));
+ }
+#endif
+
+#if _GLIBCXX_C_LOCALE_GNU
+ ctype<char>::ctype(const mask* __table, bool __del, size_t __refs)
+ : facet(__refs), _M_c_locale_ctype(_S_get_c_locale()),
+ _M_del(__table != 0 && __del),
+ _M_toupper(_M_c_locale_ctype->__ctype_toupper),
+ _M_tolower(_M_c_locale_ctype->__ctype_tolower),
+ _M_table(__table ? __table : _M_c_locale_ctype->__ctype_b),
+ _M_widen_ok(0), _M_narrow_ok(0)
+ {
+ __builtin_memset(_M_widen, 0, sizeof(_M_widen));
+ __builtin_memset(_M_narrow, 0, sizeof(_M_narrow));
+ }
+#else
+ ctype<char>::ctype(const mask* __table, bool __del, size_t __refs)
+ : facet(__refs), _M_c_locale_ctype(_S_get_c_locale()),
+ _M_del(__table != 0 && __del), _M_widen_ok(0), _M_narrow_ok(0)
+ {
+ char* __old = setlocale(LC_CTYPE, NULL);
+ char* __sav = NULL;
+ if (__builtin_strcmp(__old, "C"))
+ {
+ const size_t __len = __builtin_strlen(__old) + 1;
+ __sav = new char[__len];
+ __builtin_memcpy(__sav, __old, __len);
+ setlocale(LC_CTYPE, "C");
+ }
+#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
+ _M_toupper = *__ctype_toupper_loc();
+ _M_tolower = *__ctype_tolower_loc();
+ _M_table = __table ? __table : *__ctype_b_loc();
+#else
+ _M_toupper = __ctype_toupper;
+ _M_tolower = __ctype_tolower;
+ _M_table = __table ? __table : __ctype_b;
+#endif
+ if (__sav)
+ {
+ setlocale(LC_CTYPE, __sav);
+ delete [] __sav;
+ }
+ __builtin_memset(_M_widen, 0, sizeof(_M_widen));
+ __builtin_memset(_M_narrow, 0, sizeof(_M_narrow));
+ }
+#endif
+
+ char
+ ctype<char>::do_toupper(char __c) const
+ { return _M_toupper[static_cast<unsigned char>(__c)]; }
+
+ const char*
+ ctype<char>::do_toupper(char* __low, const char* __high) const
+ {
+ while (__low < __high)
+ {
+ *__low = _M_toupper[static_cast<unsigned char>(*__low)];
+ ++__low;
+ }
+ return __high;
+ }
+
+ char
+ ctype<char>::do_tolower(char __c) const
+ { return _M_tolower[static_cast<unsigned char>(__c)]; }
+
+ const char*
+ ctype<char>::do_tolower(char* __low, const char* __high) const
+ {
+ while (__low < __high)
+ {
+ *__low = _M_tolower[static_cast<unsigned char>(*__low)];
+ ++__low;
+ }
+ return __high;
+ }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
diff --git a/libstdc++-v3/config/os/gnu/ctype_inline.h
b/libstdc++-v3/config/os/gnu/ctype_inline.h
new file mode 100644
index 00000000000..af60239382f
--- /dev/null
+++ b/libstdc++-v3/config/os/gnu/ctype_inline.h
@@ -0,0 +1,76 @@
+// Locale support -*- C++ -*-
+
+// Copyright (C) 2000-2022 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This 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 General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file bits/ctype_inline.h
+ * This is an internal header file, included by other library headers.
+ * Do not attempt to use it directly. @headername{locale}
+ */
+
+//
+// ISO C++ 14882: 22.1 Locales
+//
+
+// ctype bits to be inlined go here. Non-inlinable (ie virtual do_*)
+// functions go in ctype.cc
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+ bool
+ ctype<char>::
+ is(mask __m, char __c) const
+ { return _M_table[static_cast<unsigned char>(__c)] & __m; }
+
+ const char*
+ ctype<char>::
+ is(const char* __low, const char* __high, mask* __vec) const
+ {
+ while (__low < __high)
+ *__vec++ = _M_table[static_cast<unsigned char>(*__low++)];
+ return __high;
+ }
+
+ const char*
+ ctype<char>::
+ scan_is(mask __m, const char* __low, const char* __high) const
+ {
+ while (__low < __high
+ && !(_M_table[static_cast<unsigned char>(*__low)] & __m))
+ ++__low;
+ return __low;
+ }
+
+ const char*
+ ctype<char>::
+ scan_not(mask __m, const char* __low, const char* __high) const
+ {
+ while (__low < __high
+ && (_M_table[static_cast<unsigned char>(*__low)] & __m) != 0)
+ ++__low;
+ return __low;
+ }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
diff --git a/libstdc++-v3/config/os/gnu/os_defines.h
b/libstdc++-v3/config/os/gnu/os_defines.h
new file mode 100644
index 00000000000..b4226d95d28
--- /dev/null
+++ b/libstdc++-v3/config/os/gnu/os_defines.h
@@ -0,0 +1,52 @@
+// Specific definitions for GNU/Hurd -*- C++ -*-
+
+// Copyright (C) 2000-2022 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This 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 General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file bits/os_defines.h
+ * This is an internal header file, included by other library headers.
+ * Do not attempt to use it directly. @headername{iosfwd}
+ */
+
+#ifndef _GLIBCXX_OS_DEFINES
+#define _GLIBCXX_OS_DEFINES 1
+
+// System-specific #define, typedefs, corrections, etc, go here. This
+// file will come before all others.
+
+// This keeps isalnum, et al from being propagated as macros.
+#define __NO_CTYPE 1
+
+#include <features.h>
+
+// Provide a declaration for the possibly deprecated gets function, as
+// glibc 2.15 and later does not declare gets for ISO C11 when
+// __GNU_SOURCE is defined.
+#if __GLIBC_PREREQ(2,15) && defined(_GNU_SOURCE)
+# undef _GLIBCXX_HAVE_GETS
+#endif
+
+// Glibc 2.23 removed the obsolete isinf and isnan declarations. Check the
+// version dynamically in case it has changed since libstdc++ was configured.
+#define _GLIBCXX_NO_OBSOLETE_ISINF_ISNAN_DYNAMIC __GLIBC_PREREQ(2,23)
+
+#endif
diff --git a/libstdc++-v3/configure.host b/libstdc++-v3/configure.host
index ec32980aa0d..d03492eb8da 100644
--- a/libstdc++-v3/configure.host
+++ b/libstdc++-v3/configure.host
@@ -258,7 +258,7 @@ case "${host_os}" in
linux-musl*)
os_include_dir="os/generic"
;;
- gnu* | linux* | kfreebsd*-gnu | uclinux*)
+ linux* | kfreebsd*-gnu | uclinux*)
if [ "$uclibc" = "yes" ]; then
os_include_dir="os/uclibc"
elif [ "$bionic" = "yes" ]; then
@@ -267,6 +267,9 @@ case "${host_os}" in
os_include_dir="os/gnu-linux"
fi
;;
+ gnu*)
+ os_include_dir="os/gnu"
+ ;;
hpux*)
os_include_dir="os/hpux"
;;
