Restoring authorship annotation for <axc@yandex-team.ru>. Commit 1 of 2.

1 files changed, 1193 insertions, 1193 deletions

diff --git a/contrib/tools/bison/gnulib/platform/win64/spawn.h b/contrib/tools/bison/gnulib/platform/win64/spawn.h
index 6797832daa..2eb7789c66 100644
--- a/contrib/tools/bison/gnulib/platform/win64/spawn.h
+++ b/contrib/tools/bison/gnulib/platform/win64/spawn.h
@@ -1,1193 +1,1193 @@
-/* DO NOT EDIT! GENERATED AUTOMATICALLY! */
-/* Definitions for POSIX spawn interface.
-   Copyright (C) 2000, 2003-2004, 2008-2013 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   This program 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 of the License, or
-   (at your option) any later version.
-
-   This program 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.
-
-   You should have received a copy of the GNU General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
-
-#ifndef _GL_M4_SPAWN_H
-
-#if __GNUC__ >= 3
-
-#endif
-
-
-/* The include_next requires a split double-inclusion guard.  */
-#if 0
-# include <spawn.h>
-#endif
-
-#ifndef _GL_M4_SPAWN_H
-#define _GL_M4_SPAWN_H
-
-/* Get definitions of 'struct sched_param' and 'sigset_t'.
-   But avoid namespace pollution on glibc systems.  */
-#if !(defined __GLIBC__ && !defined __UCLIBC__)
-# include <sched.h>
-# include <signal.h>
-#endif
-
-#include <sys/types.h>
-
-#ifndef __THROW
-# define __THROW
-#endif
-
-/* GCC 2.95 and later have "__restrict"; C99 compilers have
-   "restrict", and "configure" may have defined "restrict".
-   Other compilers use __restrict, __restrict__, and _Restrict, and
-   'configure' might #define 'restrict' to those words, so pick a
-   different name.  */
-#ifndef _Restrict_
-# if 199901L <= __STDC_VERSION__
-#  define _Restrict_ restrict
-# elif 2 < __GNUC__ || (2 == __GNUC__ && 95 <= __GNUC_MINOR__)
-#  define _Restrict_ __restrict
-# else
-#  define _Restrict_
-# endif
-#endif
-/* gcc 3.1 and up support the [restrict] syntax.  Don't trust
-   sys/cdefs.h's definition of __restrict_arr, though, as it
-   mishandles gcc -ansi -pedantic.  */
-#ifndef _Restrict_arr_
-# if ((199901L <= __STDC_VERSION__                                      \
-       || ((3 < __GNUC__ || (3 == __GNUC__ && 1 <= __GNUC_MINOR__))     \
-           && !defined __STRICT_ANSI__))                                        \
-      && !defined __GNUG__)
-#  define _Restrict_arr_ _Restrict_
-# else
-#  define _Restrict_arr_
-# endif
-#endif
-
-/* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */
-#ifndef _GL_CXXDEFS_H
-#define _GL_CXXDEFS_H
-
-/* The three most frequent use cases of these macros are:
-
-   * For providing a substitute for a function that is missing on some
-     platforms, but is declared and works fine on the platforms on which
-     it exists:
-
-       #if @GNULIB_FOO@
-       # if !@HAVE_FOO@
-       _GL_FUNCDECL_SYS (foo, ...);
-       # endif
-       _GL_CXXALIAS_SYS (foo, ...);
-       _GL_CXXALIASWARN (foo);
-       #elif defined GNULIB_POSIXCHECK
-       ...
-       #endif
-
-   * For providing a replacement for a function that exists on all platforms,
-     but is broken/insufficient and needs to be replaced on some platforms:
-
-       #if @GNULIB_FOO@
-       # if @REPLACE_FOO@
-       #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-       #   undef foo
-       #   define foo rpl_foo
-       #  endif
-       _GL_FUNCDECL_RPL (foo, ...);
-       _GL_CXXALIAS_RPL (foo, ...);
-       # else
-       _GL_CXXALIAS_SYS (foo, ...);
-       # endif
-       _GL_CXXALIASWARN (foo);
-       #elif defined GNULIB_POSIXCHECK
-       ...
-       #endif
-
-   * For providing a replacement for a function that exists on some platforms
-     but is broken/insufficient and needs to be replaced on some of them and
-     is additionally either missing or undeclared on some other platforms:
-
-       #if @GNULIB_FOO@
-       # if @REPLACE_FOO@
-       #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-       #   undef foo
-       #   define foo rpl_foo
-       #  endif
-       _GL_FUNCDECL_RPL (foo, ...);
-       _GL_CXXALIAS_RPL (foo, ...);
-       # else
-       #  if !@HAVE_FOO@   or   if !@HAVE_DECL_FOO@
-       _GL_FUNCDECL_SYS (foo, ...);
-       #  endif
-       _GL_CXXALIAS_SYS (foo, ...);
-       # endif
-       _GL_CXXALIASWARN (foo);
-       #elif defined GNULIB_POSIXCHECK
-       ...
-       #endif
-*/
-
-/* _GL_EXTERN_C declaration;
-   performs the declaration with C linkage.  */
-#if defined __cplusplus
-# define _GL_EXTERN_C extern "C"
-#else
-# define _GL_EXTERN_C extern
-#endif
-
-/* _GL_FUNCDECL_RPL (func, rettype, parameters_and_attributes);
-   declares a replacement function, named rpl_func, with the given prototype,
-   consisting of return type, parameters, and attributes.
-   Example:
-     _GL_FUNCDECL_RPL (open, int, (const char *filename, int flags, ...)
-                                  _GL_ARG_NONNULL ((1)));
- */
-#define _GL_FUNCDECL_RPL(func,rettype,parameters_and_attributes) \
-  _GL_FUNCDECL_RPL_1 (rpl_##func, rettype, parameters_and_attributes)
-#define _GL_FUNCDECL_RPL_1(rpl_func,rettype,parameters_and_attributes) \
-  _GL_EXTERN_C rettype rpl_func parameters_and_attributes
-
-/* _GL_FUNCDECL_SYS (func, rettype, parameters_and_attributes);
-   declares the system function, named func, with the given prototype,
-   consisting of return type, parameters, and attributes.
-   Example:
-     _GL_FUNCDECL_SYS (open, int, (const char *filename, int flags, ...)
-                                  _GL_ARG_NONNULL ((1)));
- */
-#define _GL_FUNCDECL_SYS(func,rettype,parameters_and_attributes) \
-  _GL_EXTERN_C rettype func parameters_and_attributes
-
-/* _GL_CXXALIAS_RPL (func, rettype, parameters);
-   declares a C++ alias called GNULIB_NAMESPACE::func
-   that redirects to rpl_func, if GNULIB_NAMESPACE is defined.
-   Example:
-     _GL_CXXALIAS_RPL (open, int, (const char *filename, int flags, ...));
- */
-#define _GL_CXXALIAS_RPL(func,rettype,parameters) \
-  _GL_CXXALIAS_RPL_1 (func, rpl_##func, rettype, parameters)
-#if defined __cplusplus && defined GNULIB_NAMESPACE
-# define _GL_CXXALIAS_RPL_1(func,rpl_func,rettype,parameters) \
-    namespace GNULIB_NAMESPACE                                \
-    {                                                         \
-      rettype (*const func) parameters = ::rpl_func;          \
-    }                                                         \
-    _GL_EXTERN_C int _gl_cxxalias_dummy
-#else
-# define _GL_CXXALIAS_RPL_1(func,rpl_func,rettype,parameters) \
-    _GL_EXTERN_C int _gl_cxxalias_dummy
-#endif
-
-/* _GL_CXXALIAS_RPL_CAST_1 (func, rpl_func, rettype, parameters);
-   is like  _GL_CXXALIAS_RPL_1 (func, rpl_func, rettype, parameters);
-   except that the C function rpl_func may have a slightly different
-   declaration.  A cast is used to silence the "invalid conversion" error
-   that would otherwise occur.  */
-#if defined __cplusplus && defined GNULIB_NAMESPACE
-# define _GL_CXXALIAS_RPL_CAST_1(func,rpl_func,rettype,parameters) \
-    namespace GNULIB_NAMESPACE                                     \
-    {                                                              \
-      rettype (*const func) parameters =                           \
-        reinterpret_cast<rettype(*)parameters>(::rpl_func);        \
-    }                                                              \
-    _GL_EXTERN_C int _gl_cxxalias_dummy
-#else
-# define _GL_CXXALIAS_RPL_CAST_1(func,rpl_func,rettype,parameters) \
-    _GL_EXTERN_C int _gl_cxxalias_dummy
-#endif
-
-/* _GL_CXXALIAS_SYS (func, rettype, parameters);
-   declares a C++ alias called GNULIB_NAMESPACE::func
-   that redirects to the system provided function func, if GNULIB_NAMESPACE
-   is defined.
-   Example:
-     _GL_CXXALIAS_SYS (open, int, (const char *filename, int flags, ...));
- */
-#if defined __cplusplus && defined GNULIB_NAMESPACE
-  /* If we were to write
-       rettype (*const func) parameters = ::func;
-     like above in _GL_CXXALIAS_RPL_1, the compiler could optimize calls
-     better (remove an indirection through a 'static' pointer variable),
-     but then the _GL_CXXALIASWARN macro below would cause a warning not only
-     for uses of ::func but also for uses of GNULIB_NAMESPACE::func.  */
-# define _GL_CXXALIAS_SYS(func,rettype,parameters) \
-    namespace GNULIB_NAMESPACE                     \
-    {                                              \
-      static rettype (*func) parameters = ::func;  \
-    }                                              \
-    _GL_EXTERN_C int _gl_cxxalias_dummy
-#else
-# define _GL_CXXALIAS_SYS(func,rettype,parameters) \
-    _GL_EXTERN_C int _gl_cxxalias_dummy
-#endif
-
-/* _GL_CXXALIAS_SYS_CAST (func, rettype, parameters);
-   is like  _GL_CXXALIAS_SYS (func, rettype, parameters);
-   except that the C function func may have a slightly different declaration.
-   A cast is used to silence the "invalid conversion" error that would
-   otherwise occur.  */
-#if defined __cplusplus && defined GNULIB_NAMESPACE
-# define _GL_CXXALIAS_SYS_CAST(func,rettype,parameters) \
-    namespace GNULIB_NAMESPACE                          \
-    {                                                   \
-      static rettype (*func) parameters =               \
-        reinterpret_cast<rettype(*)parameters>(::func); \
-    }                                                   \
-    _GL_EXTERN_C int _gl_cxxalias_dummy
-#else
-# define _GL_CXXALIAS_SYS_CAST(func,rettype,parameters) \
-    _GL_EXTERN_C int _gl_cxxalias_dummy
-#endif
-
-/* _GL_CXXALIAS_SYS_CAST2 (func, rettype, parameters, rettype2, parameters2);
-   is like  _GL_CXXALIAS_SYS (func, rettype, parameters);
-   except that the C function is picked among a set of overloaded functions,
-   namely the one with rettype2 and parameters2.  Two consecutive casts
-   are used to silence the "cannot find a match" and "invalid conversion"
-   errors that would otherwise occur.  */
-#if defined __cplusplus && defined GNULIB_NAMESPACE
-  /* The outer cast must be a reinterpret_cast.
-     The inner cast: When the function is defined as a set of overloaded
-     functions, it works as a static_cast<>, choosing the designated variant.
-     When the function is defined as a single variant, it works as a
-     reinterpret_cast<>. The parenthesized cast syntax works both ways.  */
-# define _GL_CXXALIAS_SYS_CAST2(func,rettype,parameters,rettype2,parameters2) \
-    namespace GNULIB_NAMESPACE                                                \
-    {                                                                         \
-      static rettype (*func) parameters =                                     \
-        reinterpret_cast<rettype(*)parameters>(                               \
-          (rettype2(*)parameters2)(::func));                                  \
-    }                                                                         \
-    _GL_EXTERN_C int _gl_cxxalias_dummy
-#else
-# define _GL_CXXALIAS_SYS_CAST2(func,rettype,parameters,rettype2,parameters2) \
-    _GL_EXTERN_C int _gl_cxxalias_dummy
-#endif
-
-/* _GL_CXXALIASWARN (func);
-   causes a warning to be emitted when ::func is used but not when
-   GNULIB_NAMESPACE::func is used.  func must be defined without overloaded
-   variants.  */
-#if defined __cplusplus && defined GNULIB_NAMESPACE
-# define _GL_CXXALIASWARN(func) \
-   _GL_CXXALIASWARN_1 (func, GNULIB_NAMESPACE)
-# define _GL_CXXALIASWARN_1(func,namespace) \
-   _GL_CXXALIASWARN_2 (func, namespace)
-/* To work around GCC bug <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43881>,
-   we enable the warning only when not optimizing.  */
-# if !__OPTIMIZE__
-#  define _GL_CXXALIASWARN_2(func,namespace) \
-    _GL_WARN_ON_USE (func, \
-                     "The symbol ::" #func " refers to the system function. " \
-                     "Use " #namespace "::" #func " instead.")
-# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING
-#  define _GL_CXXALIASWARN_2(func,namespace) \
-     extern __typeof__ (func) func
-# else
-#  define _GL_CXXALIASWARN_2(func,namespace) \
-     _GL_EXTERN_C int _gl_cxxalias_dummy
-# endif
-#else
-# define _GL_CXXALIASWARN(func) \
-    _GL_EXTERN_C int _gl_cxxalias_dummy
-#endif
-
-/* _GL_CXXALIASWARN1 (func, rettype, parameters_and_attributes);
-   causes a warning to be emitted when the given overloaded variant of ::func
-   is used but not when GNULIB_NAMESPACE::func is used.  */
-#if defined __cplusplus && defined GNULIB_NAMESPACE
-# define _GL_CXXALIASWARN1(func,rettype,parameters_and_attributes) \
-   _GL_CXXALIASWARN1_1 (func, rettype, parameters_and_attributes, \
-                        GNULIB_NAMESPACE)
-# define _GL_CXXALIASWARN1_1(func,rettype,parameters_and_attributes,namespace) \
-   _GL_CXXALIASWARN1_2 (func, rettype, parameters_and_attributes, namespace)
-/* To work around GCC bug <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43881>,
-   we enable the warning only when not optimizing.  */
-# if !__OPTIMIZE__
-#  define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \
-    _GL_WARN_ON_USE_CXX (func, rettype, parameters_and_attributes, \
-                         "The symbol ::" #func " refers to the system function. " \
-                         "Use " #namespace "::" #func " instead.")
-# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING
-#  define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \
-     extern __typeof__ (func) func
-# else
-#  define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \
-     _GL_EXTERN_C int _gl_cxxalias_dummy
-# endif
-#else
-# define _GL_CXXALIASWARN1(func,rettype,parameters_and_attributes) \
-    _GL_EXTERN_C int _gl_cxxalias_dummy
-#endif
-
-#endif /* _GL_CXXDEFS_H */
-
-/* The definition of _GL_ARG_NONNULL is copied here.  */
-/* _GL_ARG_NONNULL((n,...,m)) tells the compiler and static analyzer tools
-   that the values passed as arguments n, ..., m must be non-NULL pointers.
-   n = 1 stands for the first argument, n = 2 for the second argument etc.  */
-#ifndef _GL_ARG_NONNULL
-# if (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || __GNUC__ > 3
-#  define _GL_ARG_NONNULL(params) __attribute__ ((__nonnull__ params))
-# else
-#  define _GL_ARG_NONNULL(params)
-# endif
-#endif
-
-/* The definition of _GL_WARN_ON_USE is copied here.  */
-#ifndef _GL_WARN_ON_USE
-
-# if 4 < __GNUC__ || (__GNUC__ == 4 && 3 <= __GNUC_MINOR__)
-/* A compiler attribute is available in gcc versions 4.3.0 and later.  */
-#  define _GL_WARN_ON_USE(function, message) \
-extern __typeof__ (function) function __attribute__ ((__warning__ (message)))
-# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING
-/* Verify the existence of the function.  */
-#  define _GL_WARN_ON_USE(function, message) \
-extern __typeof__ (function) function
-# else /* Unsupported.  */
-#  define _GL_WARN_ON_USE(function, message) \
-_GL_WARN_EXTERN_C int _gl_warn_on_use
-# endif
-#endif
-
-/* _GL_WARN_ON_USE_CXX (function, rettype, parameters_and_attributes, "string")
-   is like _GL_WARN_ON_USE (function, "string"), except that the function is
-   declared with the given prototype, consisting of return type, parameters,
-   and attributes.
-   This variant is useful for overloaded functions in C++. _GL_WARN_ON_USE does
-   not work in this case.  */
-#ifndef _GL_WARN_ON_USE_CXX
-# if 4 < __GNUC__ || (__GNUC__ == 4 && 3 <= __GNUC_MINOR__)
-#  define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \
-extern rettype function parameters_and_attributes \
-     __attribute__ ((__warning__ (msg)))
-# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING
-/* Verify the existence of the function.  */
-#  define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \
-extern rettype function parameters_and_attributes
-# else /* Unsupported.  */
-#  define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \
-_GL_WARN_EXTERN_C int _gl_warn_on_use
-# endif
-#endif
-
-/* _GL_WARN_EXTERN_C declaration;
-   performs the declaration with C linkage.  */
-#ifndef _GL_WARN_EXTERN_C
-# if defined __cplusplus
-#  define _GL_WARN_EXTERN_C extern "C"
-# else
-#  define _GL_WARN_EXTERN_C extern
-# endif
-#endif
-
-
-/* Data structure to contain attributes for thread creation.  */
-#if 0
-# define posix_spawnattr_t rpl_posix_spawnattr_t
-#endif
-#if 0 || !0
-# if !GNULIB_defined_posix_spawnattr_t
-typedef struct
-{
-  short int _flags;
-  pid_t _pgrp;
-  sigset_t _sd;
-  sigset_t _ss;
-  struct sched_param _sp;
-  int _policy;
-  int __pad[16];
-} posix_spawnattr_t;
-#  define GNULIB_defined_posix_spawnattr_t 1
-# endif
-#endif
-
-
-/* Data structure to contain information about the actions to be
-   performed in the new process with respect to file descriptors.  */
-#if 0
-# define posix_spawn_file_actions_t rpl_posix_spawn_file_actions_t
-#endif
-#if 0 || !0
-# if !GNULIB_defined_posix_spawn_file_actions_t
-typedef struct
-{
-  int _allocated;
-  int _used;
-  struct __spawn_action *_actions;
-  int __pad[16];
-} posix_spawn_file_actions_t;
-#  define GNULIB_defined_posix_spawn_file_actions_t 1
-# endif
-#endif
-
-
-/* Flags to be set in the 'posix_spawnattr_t'.  */
-#if 0
-/* Use the values from the system, but provide the missing ones.  */
-# ifndef POSIX_SPAWN_SETSCHEDPARAM
-#  define POSIX_SPAWN_SETSCHEDPARAM 0
-# endif
-# ifndef POSIX_SPAWN_SETSCHEDULER
-#  define POSIX_SPAWN_SETSCHEDULER 0
-# endif
-#else
-# if 0
-/* Use the values from the system, for better compatibility.  */
-/* But this implementation does not support AIX extensions.  */
-#  undef POSIX_SPAWN_FORK_HANDLERS
-# else
-#  define POSIX_SPAWN_RESETIDS           0x01
-#  define POSIX_SPAWN_SETPGROUP          0x02
-#  define POSIX_SPAWN_SETSIGDEF          0x04
-#  define POSIX_SPAWN_SETSIGMASK         0x08
-#  define POSIX_SPAWN_SETSCHEDPARAM      0x10
-#  define POSIX_SPAWN_SETSCHEDULER       0x20
-# endif
-#endif
-/* A GNU extension.  Use the next free bit position.  */
-#define POSIX_SPAWN_USEVFORK \
-  ((POSIX_SPAWN_RESETIDS | (POSIX_SPAWN_RESETIDS - 1)                     \
-    | POSIX_SPAWN_SETPGROUP | (POSIX_SPAWN_SETPGROUP - 1)                 \
-    | POSIX_SPAWN_SETSIGDEF | (POSIX_SPAWN_SETSIGDEF - 1)                 \
-    | POSIX_SPAWN_SETSIGMASK | (POSIX_SPAWN_SETSIGMASK - 1)               \
-    | POSIX_SPAWN_SETSCHEDPARAM                                           \
-    | (POSIX_SPAWN_SETSCHEDPARAM > 0 ? POSIX_SPAWN_SETSCHEDPARAM - 1 : 0) \
-    | POSIX_SPAWN_SETSCHEDULER                                            \
-    | (POSIX_SPAWN_SETSCHEDULER > 0 ? POSIX_SPAWN_SETSCHEDULER - 1 : 0))  \
-   + 1)
-#if !GNULIB_defined_verify_POSIX_SPAWN_USEVFORK_no_overlap
-typedef int verify_POSIX_SPAWN_USEVFORK_no_overlap
-            [(((POSIX_SPAWN_RESETIDS | POSIX_SPAWN_SETPGROUP
-                | POSIX_SPAWN_SETSIGDEF | POSIX_SPAWN_SETSIGMASK
-                | POSIX_SPAWN_SETSCHEDPARAM | POSIX_SPAWN_SETSCHEDULER)
-               & POSIX_SPAWN_USEVFORK)
-              == 0)
-             ? 1 : -1];
-# define GNULIB_defined_verify_POSIX_SPAWN_USEVFORK_no_overlap 1
-#endif
-
-
-#if 0
-/* Spawn a new process executing PATH with the attributes describes in *ATTRP.
-   Before running the process perform the actions described in FILE-ACTIONS.
-
-   This function is a possible cancellation points and therefore not
-   marked with __THROW. */
-# if 0
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define posix_spawn rpl_posix_spawn
-#  endif
-_GL_FUNCDECL_RPL (posix_spawn, int,
-                  (pid_t *_Restrict_ __pid,
-                   const char *_Restrict_ __path,
-                   const posix_spawn_file_actions_t *_Restrict_ __file_actions,
-                   const posix_spawnattr_t *_Restrict_ __attrp,
-                   char *const argv[_Restrict_arr_],
-                   char *const envp[_Restrict_arr_])
-                  _GL_ARG_NONNULL ((2, 5, 6)));
-_GL_CXXALIAS_RPL (posix_spawn, int,
-                  (pid_t *_Restrict_ __pid,
-                   const char *_Restrict_ __path,
-                   const posix_spawn_file_actions_t *_Restrict_ __file_actions,
-                   const posix_spawnattr_t *_Restrict_ __attrp,
-                   char *const argv[_Restrict_arr_],
-                   char *const envp[_Restrict_arr_]));
-# else
-#  if !0
-_GL_FUNCDECL_SYS (posix_spawn, int,
-                  (pid_t *_Restrict_ __pid,
-                   const char *_Restrict_ __path,
-                   const posix_spawn_file_actions_t *_Restrict_ __file_actions,
-                   const posix_spawnattr_t *_Restrict_ __attrp,
-                   char *const argv[_Restrict_arr_],
-                   char *const envp[_Restrict_arr_])
-                  _GL_ARG_NONNULL ((2, 5, 6)));
-#  endif
-_GL_CXXALIAS_SYS (posix_spawn, int,
-                  (pid_t *_Restrict_ __pid,
-                   const char *_Restrict_ __path,
-                   const posix_spawn_file_actions_t *_Restrict_ __file_actions,
-                   const posix_spawnattr_t *_Restrict_ __attrp,
-                   char *const argv[_Restrict_arr_],
-                   char *const envp[_Restrict_arr_]));
-# endif
-_GL_CXXALIASWARN (posix_spawn);
-#elif defined GNULIB_POSIXCHECK
-# undef posix_spawn
-# if HAVE_RAW_DECL_POSIX_SPAWN
-_GL_WARN_ON_USE (posix_spawn, "posix_spawn is unportable - "
-                 "use gnulib module posix_spawn for portability");
-# endif
-#endif
-
-#if 1
-/* Similar to 'posix_spawn' but search for FILE in the PATH.
-
-   This function is a possible cancellation points and therefore not
-   marked with __THROW.  */
-# if 0
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define posix_spawnp rpl_posix_spawnp
-#  endif
-_GL_FUNCDECL_RPL (posix_spawnp, int,
-                  (pid_t *__pid, const char *__file,
-                   const posix_spawn_file_actions_t *__file_actions,
-                   const posix_spawnattr_t *__attrp,
-                   char *const argv[], char *const envp[])
-                  _GL_ARG_NONNULL ((2, 5, 6)));
-_GL_CXXALIAS_RPL (posix_spawnp, int,
-                  (pid_t *__pid, const char *__file,
-                   const posix_spawn_file_actions_t *__file_actions,
-                   const posix_spawnattr_t *__attrp,
-                   char *const argv[], char *const envp[]));
-# else
-#  if !0
-_GL_FUNCDECL_SYS (posix_spawnp, int,
-                  (pid_t *__pid, const char *__file,
-                   const posix_spawn_file_actions_t *__file_actions,
-                   const posix_spawnattr_t *__attrp,
-                   char *const argv[], char *const envp[])
-                  _GL_ARG_NONNULL ((2, 5, 6)));
-#  endif
-_GL_CXXALIAS_SYS (posix_spawnp, int,
-                  (pid_t *__pid, const char *__file,
-                   const posix_spawn_file_actions_t *__file_actions,
-                   const posix_spawnattr_t *__attrp,
-                   char *const argv[], char *const envp[]));
-# endif
-_GL_CXXALIASWARN (posix_spawnp);
-#elif defined GNULIB_POSIXCHECK
-# undef posix_spawnp
-# if HAVE_RAW_DECL_POSIX_SPAWNP
-_GL_WARN_ON_USE (posix_spawnp, "posix_spawnp is unportable - "
-                 "use gnulib module posix_spawnp for portability");
-# endif
-#endif
-
-
-#if 1
-/* Initialize data structure with attributes for 'spawn' to default values.  */
-# if 0
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define posix_spawnattr_init rpl_posix_spawnattr_init
-#  endif
-_GL_FUNCDECL_RPL (posix_spawnattr_init, int, (posix_spawnattr_t *__attr)
-                                             __THROW _GL_ARG_NONNULL ((1)));
-_GL_CXXALIAS_RPL (posix_spawnattr_init, int, (posix_spawnattr_t *__attr));
-# else
-#  if !0
-_GL_FUNCDECL_SYS (posix_spawnattr_init, int, (posix_spawnattr_t *__attr)
-                                             __THROW _GL_ARG_NONNULL ((1)));
-#  endif
-_GL_CXXALIAS_SYS (posix_spawnattr_init, int, (posix_spawnattr_t *__attr));
-# endif
-_GL_CXXALIASWARN (posix_spawnattr_init);
-#elif defined GNULIB_POSIXCHECK
-# undef posix_spawnattr_init
-# if HAVE_RAW_DECL_POSIX_SPAWNATTR_INIT
-_GL_WARN_ON_USE (posix_spawnattr_init, "posix_spawnattr_init is unportable - "
-                 "use gnulib module posix_spawnattr_init for portability");
-# endif
-#endif
-
-#if 1
-/* Free resources associated with ATTR.  */
-# if 0
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define posix_spawnattr_destroy rpl_posix_spawnattr_destroy
-#  endif
-_GL_FUNCDECL_RPL (posix_spawnattr_destroy, int, (posix_spawnattr_t *__attr)
-                                                __THROW _GL_ARG_NONNULL ((1)));
-_GL_CXXALIAS_RPL (posix_spawnattr_destroy, int, (posix_spawnattr_t *__attr));
-# else
-#  if !0
-_GL_FUNCDECL_SYS (posix_spawnattr_destroy, int, (posix_spawnattr_t *__attr)
-                                                __THROW _GL_ARG_NONNULL ((1)));
-#  endif
-_GL_CXXALIAS_SYS (posix_spawnattr_destroy, int, (posix_spawnattr_t *__attr));
-# endif
-_GL_CXXALIASWARN (posix_spawnattr_destroy);
-#elif defined GNULIB_POSIXCHECK
-# undef posix_spawnattr_destroy
-# if HAVE_RAW_DECL_POSIX_SPAWNATTR_DESTROY
-_GL_WARN_ON_USE (posix_spawnattr_destroy,
-                 "posix_spawnattr_destroy is unportable - "
-                 "use gnulib module posix_spawnattr_destroy for portability");
-# endif
-#endif
-
-#if 0
-/* Store signal mask for signals with default handling from ATTR in
-   SIGDEFAULT.  */
-# if 0
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define posix_spawnattr_getsigdefault rpl_posix_spawnattr_getsigdefault
-#  endif
-_GL_FUNCDECL_RPL (posix_spawnattr_getsigdefault, int,
-                  (const posix_spawnattr_t *_Restrict_ __attr,
-                   sigset_t *_Restrict_ __sigdefault)
-                  __THROW _GL_ARG_NONNULL ((1, 2)));
-_GL_CXXALIAS_RPL (posix_spawnattr_getsigdefault, int,
-                  (const posix_spawnattr_t *_Restrict_ __attr,
-                   sigset_t *_Restrict_ __sigdefault));
-# else
-#  if !0
-_GL_FUNCDECL_SYS (posix_spawnattr_getsigdefault, int,
-                  (const posix_spawnattr_t *_Restrict_ __attr,
-                   sigset_t *_Restrict_ __sigdefault)
-                  __THROW _GL_ARG_NONNULL ((1, 2)));
-#  endif
-_GL_CXXALIAS_SYS (posix_spawnattr_getsigdefault, int,
-                  (const posix_spawnattr_t *_Restrict_ __attr,
-                   sigset_t *_Restrict_ __sigdefault));
-# endif
-_GL_CXXALIASWARN (posix_spawnattr_getsigdefault);
-#elif defined GNULIB_POSIXCHECK
-# undef posix_spawnattr_getsigdefault
-# if HAVE_RAW_DECL_POSIX_SPAWNATTR_GETSIGDEFAULT
-_GL_WARN_ON_USE (posix_spawnattr_getsigdefault,
-                 "posix_spawnattr_getsigdefault is unportable - "
-                 "use gnulib module posix_spawnattr_getsigdefault for portability");
-# endif
-#endif
-
-#if 0
-/* Set signal mask for signals with default handling in ATTR to SIGDEFAULT.  */
-# if 0
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define posix_spawnattr_setsigdefault rpl_posix_spawnattr_setsigdefault
-#  endif
-_GL_FUNCDECL_RPL (posix_spawnattr_setsigdefault, int,
-                  (posix_spawnattr_t *_Restrict_ __attr,
-                   const sigset_t *_Restrict_ __sigdefault)
-                  __THROW _GL_ARG_NONNULL ((1, 2)));
-_GL_CXXALIAS_RPL (posix_spawnattr_setsigdefault, int,
-                  (posix_spawnattr_t *_Restrict_ __attr,
-                   const sigset_t *_Restrict_ __sigdefault));
-# else
-#  if !0
-_GL_FUNCDECL_SYS (posix_spawnattr_setsigdefault, int,
-                  (posix_spawnattr_t *_Restrict_ __attr,
-                   const sigset_t *_Restrict_ __sigdefault)
-                  __THROW _GL_ARG_NONNULL ((1, 2)));
-#  endif
-_GL_CXXALIAS_SYS (posix_spawnattr_setsigdefault, int,
-                  (posix_spawnattr_t *_Restrict_ __attr,
-                   const sigset_t *_Restrict_ __sigdefault));
-# endif
-_GL_CXXALIASWARN (posix_spawnattr_setsigdefault);
-#elif defined GNULIB_POSIXCHECK
-# undef posix_spawnattr_setsigdefault
-# if HAVE_RAW_DECL_POSIX_SPAWNATTR_SETSIGDEFAULT
-_GL_WARN_ON_USE (posix_spawnattr_setsigdefault,
-                 "posix_spawnattr_setsigdefault is unportable - "
-                 "use gnulib module posix_spawnattr_setsigdefault for portability");
-# endif
-#endif
-
-#if 0
-/* Store signal mask for the new process from ATTR in SIGMASK.  */
-# if 0
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define posix_spawnattr_getsigmask rpl_posix_spawnattr_getsigmask
-#  endif
-_GL_FUNCDECL_RPL (posix_spawnattr_getsigmask, int,
-                  (const posix_spawnattr_t *_Restrict_ __attr,
-                   sigset_t *_Restrict_ __sigmask)
-                  __THROW _GL_ARG_NONNULL ((1, 2)));
-_GL_CXXALIAS_RPL (posix_spawnattr_getsigmask, int,
-                  (const posix_spawnattr_t *_Restrict_ __attr,
-                   sigset_t *_Restrict_ __sigmask));
-# else
-#  if !0
-_GL_FUNCDECL_SYS (posix_spawnattr_getsigmask, int,
-                  (const posix_spawnattr_t *_Restrict_ __attr,
-                   sigset_t *_Restrict_ __sigmask)
-                  __THROW _GL_ARG_NONNULL ((1, 2)));
-#  endif
-_GL_CXXALIAS_SYS (posix_spawnattr_getsigmask, int,
-                  (const posix_spawnattr_t *_Restrict_ __attr,
-                   sigset_t *_Restrict_ __sigmask));
-# endif
-_GL_CXXALIASWARN (posix_spawnattr_getsigmask);
-#elif defined GNULIB_POSIXCHECK
-# undef posix_spawnattr_getsigmask
-# if HAVE_RAW_DECL_POSIX_SPAWNATTR_GETSIGMASK
-_GL_WARN_ON_USE (posix_spawnattr_getsigmask,
-                 "posix_spawnattr_getsigmask is unportable - "
-                 "use gnulib module posix_spawnattr_getsigmask for portability");
-# endif
-#endif
-
-#if 1
-/* Set signal mask for the new process in ATTR to SIGMASK.  */
-# if 0
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define posix_spawnattr_setsigmask rpl_posix_spawnattr_setsigmask
-#  endif
-_GL_FUNCDECL_RPL (posix_spawnattr_setsigmask, int,
-                  (posix_spawnattr_t *_Restrict_ __attr,
-                   const sigset_t *_Restrict_ __sigmask)
-                  __THROW _GL_ARG_NONNULL ((1, 2)));
-_GL_CXXALIAS_RPL (posix_spawnattr_setsigmask, int,
-                  (posix_spawnattr_t *_Restrict_ __attr,
-                   const sigset_t *_Restrict_ __sigmask));
-# else
-#  if !0
-_GL_FUNCDECL_SYS (posix_spawnattr_setsigmask, int,
-                  (posix_spawnattr_t *_Restrict_ __attr,
-                   const sigset_t *_Restrict_ __sigmask)
-                  __THROW _GL_ARG_NONNULL ((1, 2)));
-#  endif
-_GL_CXXALIAS_SYS (posix_spawnattr_setsigmask, int,
-                  (posix_spawnattr_t *_Restrict_ __attr,
-                   const sigset_t *_Restrict_ __sigmask));
-# endif
-_GL_CXXALIASWARN (posix_spawnattr_setsigmask);
-#elif defined GNULIB_POSIXCHECK
-# undef posix_spawnattr_setsigmask
-# if HAVE_RAW_DECL_POSIX_SPAWNATTR_SETSIGMASK
-_GL_WARN_ON_USE (posix_spawnattr_setsigmask,
-                 "posix_spawnattr_setsigmask is unportable - "
-                 "use gnulib module posix_spawnattr_setsigmask for portability");
-# endif
-#endif
-
-#if 0
-/* Get flag word from the attribute structure.  */
-# if 0
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define posix_spawnattr_getflags rpl_posix_spawnattr_getflags
-#  endif
-_GL_FUNCDECL_RPL (posix_spawnattr_getflags, int,
-                  (const posix_spawnattr_t *_Restrict_ __attr,
-                   short int *_Restrict_ __flags)
-                  __THROW _GL_ARG_NONNULL ((1, 2)));
-_GL_CXXALIAS_RPL (posix_spawnattr_getflags, int,
-                  (const posix_spawnattr_t *_Restrict_ __attr,
-                   short int *_Restrict_ __flags));
-# else
-#  if !0
-_GL_FUNCDECL_SYS (posix_spawnattr_getflags, int,
-                  (const posix_spawnattr_t *_Restrict_ __attr,
-                   short int *_Restrict_ __flags)
-                  __THROW _GL_ARG_NONNULL ((1, 2)));
-#  endif
-_GL_CXXALIAS_SYS (posix_spawnattr_getflags, int,
-                  (const posix_spawnattr_t *_Restrict_ __attr,
-                   short int *_Restrict_ __flags));
-# endif
-_GL_CXXALIASWARN (posix_spawnattr_getflags);
-#elif defined GNULIB_POSIXCHECK
-# undef posix_spawnattr_getflags
-# if HAVE_RAW_DECL_POSIX_SPAWNATTR_GETFLAGS
-_GL_WARN_ON_USE (posix_spawnattr_getflags,
-                 "posix_spawnattr_getflags is unportable - "
-                 "use gnulib module posix_spawnattr_getflags for portability");
-# endif
-#endif
-
-#if 1
-/* Store flags in the attribute structure.  */
-# if 0
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define posix_spawnattr_setflags rpl_posix_spawnattr_setflags
-#  endif
-_GL_FUNCDECL_RPL (posix_spawnattr_setflags, int,
-                  (posix_spawnattr_t *__attr, short int __flags)
-                  __THROW _GL_ARG_NONNULL ((1)));
-_GL_CXXALIAS_RPL (posix_spawnattr_setflags, int,
-                  (posix_spawnattr_t *__attr, short int __flags));
-# else
-#  if !0
-_GL_FUNCDECL_SYS (posix_spawnattr_setflags, int,
-                  (posix_spawnattr_t *__attr, short int __flags)
-                  __THROW _GL_ARG_NONNULL ((1)));
-#  endif
-_GL_CXXALIAS_SYS (posix_spawnattr_setflags, int,
-                  (posix_spawnattr_t *__attr, short int __flags));
-# endif
-_GL_CXXALIASWARN (posix_spawnattr_setflags);
-#elif defined GNULIB_POSIXCHECK
-# undef posix_spawnattr_setflags
-# if HAVE_RAW_DECL_POSIX_SPAWNATTR_SETFLAGS
-_GL_WARN_ON_USE (posix_spawnattr_setflags,
-                 "posix_spawnattr_setflags is unportable - "
-                 "use gnulib module posix_spawnattr_setflags for portability");
-# endif
-#endif
-
-#if 0
-/* Get process group ID from the attribute structure.  */
-# if 0
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define posix_spawnattr_getpgroup rpl_posix_spawnattr_getpgroup
-#  endif
-_GL_FUNCDECL_RPL (posix_spawnattr_getpgroup, int,
-                  (const posix_spawnattr_t *_Restrict_ __attr,
-                   pid_t *_Restrict_ __pgroup)
-                  __THROW _GL_ARG_NONNULL ((1, 2)));
-_GL_CXXALIAS_RPL (posix_spawnattr_getpgroup, int,
-                  (const posix_spawnattr_t *_Restrict_ __attr,
-                   pid_t *_Restrict_ __pgroup));
-# else
-#  if !0
-_GL_FUNCDECL_SYS (posix_spawnattr_getpgroup, int,
-                  (const posix_spawnattr_t *_Restrict_ __attr,
-                   pid_t *_Restrict_ __pgroup)
-                  __THROW _GL_ARG_NONNULL ((1, 2)));
-#  endif
-_GL_CXXALIAS_SYS (posix_spawnattr_getpgroup, int,
-                  (const posix_spawnattr_t *_Restrict_ __attr,
-                   pid_t *_Restrict_ __pgroup));
-# endif
-_GL_CXXALIASWARN (posix_spawnattr_getpgroup);
-#elif defined GNULIB_POSIXCHECK
-# undef posix_spawnattr_getpgroup
-# if HAVE_RAW_DECL_POSIX_SPAWNATTR_GETPGROUP
-_GL_WARN_ON_USE (posix_spawnattr_getpgroup,
-                 "posix_spawnattr_getpgroup is unportable - "
-                 "use gnulib module posix_spawnattr_getpgroup for portability");
-# endif
-#endif
-
-#if 0
-/* Store process group ID in the attribute structure.  */
-# if 0
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define posix_spawnattr_setpgroup rpl_posix_spawnattr_setpgroup
-#  endif
-_GL_FUNCDECL_RPL (posix_spawnattr_setpgroup, int,
-                  (posix_spawnattr_t *__attr, pid_t __pgroup)
-                  __THROW _GL_ARG_NONNULL ((1)));
-_GL_CXXALIAS_RPL (posix_spawnattr_setpgroup, int,
-                  (posix_spawnattr_t *__attr, pid_t __pgroup));
-# else
-#  if !0
-_GL_FUNCDECL_SYS (posix_spawnattr_setpgroup, int,
-                  (posix_spawnattr_t *__attr, pid_t __pgroup)
-                  __THROW _GL_ARG_NONNULL ((1)));
-#  endif
-_GL_CXXALIAS_SYS (posix_spawnattr_setpgroup, int,
-                  (posix_spawnattr_t *__attr, pid_t __pgroup));
-# endif
-_GL_CXXALIASWARN (posix_spawnattr_setpgroup);
-#elif defined GNULIB_POSIXCHECK
-# undef posix_spawnattr_setpgroup
-# if HAVE_RAW_DECL_POSIX_SPAWNATTR_SETPGROUP
-_GL_WARN_ON_USE (posix_spawnattr_setpgroup,
-                 "posix_spawnattr_setpgroup is unportable - "
-                 "use gnulib module posix_spawnattr_setpgroup for portability");
-# endif
-#endif
-
-#if 0
-/* Get scheduling policy from the attribute structure.  */
-# if 0
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define posix_spawnattr_getschedpolicy rpl_posix_spawnattr_getschedpolicy
-#  endif
-_GL_FUNCDECL_RPL (posix_spawnattr_getschedpolicy, int,
-                  (const posix_spawnattr_t *_Restrict_ __attr,
-                   int *_Restrict_ __schedpolicy)
-                  __THROW _GL_ARG_NONNULL ((1, 2)));
-_GL_CXXALIAS_RPL (posix_spawnattr_getschedpolicy, int,
-                  (const posix_spawnattr_t *_Restrict_ __attr,
-                   int *_Restrict_ __schedpolicy));
-# else
-#  if !0 || POSIX_SPAWN_SETSCHEDULER == 0
-_GL_FUNCDECL_SYS (posix_spawnattr_getschedpolicy, int,
-                  (const posix_spawnattr_t *_Restrict_ __attr,
-                   int *_Restrict_ __schedpolicy)
-                  __THROW _GL_ARG_NONNULL ((1, 2)));
-#  endif
-_GL_CXXALIAS_SYS (posix_spawnattr_getschedpolicy, int,
-                  (const posix_spawnattr_t *_Restrict_ __attr,
-                   int *_Restrict_ __schedpolicy));
-# endif
-_GL_CXXALIASWARN (posix_spawnattr_getschedpolicy);
-#elif defined GNULIB_POSIXCHECK
-# undef posix_spawnattr_getschedpolicy
-# if HAVE_RAW_DECL_POSIX_SPAWNATTR_GETSCHEDPOLICY
-_GL_WARN_ON_USE (posix_spawnattr_getschedpolicy,
-                 "posix_spawnattr_getschedpolicy is unportable - "
-                 "use gnulib module posix_spawnattr_getschedpolicy for portability");
-# endif
-#endif
-
-#if 0
-/* Store scheduling policy in the attribute structure.  */
-# if 0
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define posix_spawnattr_setschedpolicy rpl_posix_spawnattr_setschedpolicy
-#  endif
-_GL_FUNCDECL_RPL (posix_spawnattr_setschedpolicy, int,
-                  (posix_spawnattr_t *__attr, int __schedpolicy)
-                  __THROW _GL_ARG_NONNULL ((1)));
-_GL_CXXALIAS_RPL (posix_spawnattr_setschedpolicy, int,
-                  (posix_spawnattr_t *__attr, int __schedpolicy));
-# else
-#  if !0 || POSIX_SPAWN_SETSCHEDULER == 0
-_GL_FUNCDECL_SYS (posix_spawnattr_setschedpolicy, int,
-                  (posix_spawnattr_t *__attr, int __schedpolicy)
-                  __THROW _GL_ARG_NONNULL ((1)));
-#  endif
-_GL_CXXALIAS_SYS (posix_spawnattr_setschedpolicy, int,
-                  (posix_spawnattr_t *__attr, int __schedpolicy));
-# endif
-_GL_CXXALIASWARN (posix_spawnattr_setschedpolicy);
-#elif defined GNULIB_POSIXCHECK
-# undef posix_spawnattr_setschedpolicy
-# if HAVE_RAW_DECL_POSIX_SPAWNATTR_SETSCHEDPOLICY
-_GL_WARN_ON_USE (posix_spawnattr_setschedpolicy,
-                 "posix_spawnattr_setschedpolicy is unportable - "
-                 "use gnulib module posix_spawnattr_setschedpolicy for portability");
-# endif
-#endif
-
-#if 0
-/* Get scheduling parameters from the attribute structure.  */
-# if 0
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define posix_spawnattr_getschedparam rpl_posix_spawnattr_getschedparam
-#  endif
-_GL_FUNCDECL_RPL (posix_spawnattr_getschedparam, int,
-                  (const posix_spawnattr_t *_Restrict_ __attr,
-                   struct sched_param *_Restrict_ __schedparam)
-                  __THROW _GL_ARG_NONNULL ((1, 2)));
-_GL_CXXALIAS_RPL (posix_spawnattr_getschedparam, int,
-                  (const posix_spawnattr_t *_Restrict_ __attr,
-                   struct sched_param *_Restrict_ __schedparam));
-# else
-#  if !0 || POSIX_SPAWN_SETSCHEDPARAM == 0
-_GL_FUNCDECL_SYS (posix_spawnattr_getschedparam, int,
-                  (const posix_spawnattr_t *_Restrict_ __attr,
-                   struct sched_param *_Restrict_ __schedparam)
-                  __THROW _GL_ARG_NONNULL ((1, 2)));
-#  endif
-_GL_CXXALIAS_SYS (posix_spawnattr_getschedparam, int,
-                  (const posix_spawnattr_t *_Restrict_ __attr,
-                   struct sched_param *_Restrict_ __schedparam));
-# endif
-_GL_CXXALIASWARN (posix_spawnattr_getschedparam);
-#elif defined GNULIB_POSIXCHECK
-# undef posix_spawnattr_getschedparam
-# if HAVE_RAW_DECL_POSIX_SPAWNATTR_GETSCHEDPARAM
-_GL_WARN_ON_USE (posix_spawnattr_getschedparam,
-                 "posix_spawnattr_getschedparam is unportable - "
-                 "use gnulib module posix_spawnattr_getschedparam for portability");
-# endif
-#endif
-
-#if 0
-/* Store scheduling parameters in the attribute structure.  */
-# if 0
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define posix_spawnattr_setschedparam rpl_posix_spawnattr_setschedparam
-#  endif
-_GL_FUNCDECL_RPL (posix_spawnattr_setschedparam, int,
-                  (posix_spawnattr_t *_Restrict_ __attr,
-                   const struct sched_param *_Restrict_ __schedparam)
-                  __THROW _GL_ARG_NONNULL ((1, 2)));
-_GL_CXXALIAS_RPL (posix_spawnattr_setschedparam, int,
-                  (posix_spawnattr_t *_Restrict_ __attr,
-                   const struct sched_param *_Restrict_ __schedparam));
-# else
-#  if !0 || POSIX_SPAWN_SETSCHEDPARAM == 0
-_GL_FUNCDECL_SYS (posix_spawnattr_setschedparam, int,
-                  (posix_spawnattr_t *_Restrict_ __attr,
-                   const struct sched_param *_Restrict_ __schedparam)
-                  __THROW _GL_ARG_NONNULL ((1, 2)));
-#  endif
-_GL_CXXALIAS_SYS (posix_spawnattr_setschedparam, int,
-                  (posix_spawnattr_t *_Restrict_ __attr,
-                   const struct sched_param *_Restrict_ __schedparam));
-# endif
-_GL_CXXALIASWARN (posix_spawnattr_setschedparam);
-#elif defined GNULIB_POSIXCHECK
-# undef posix_spawnattr_setschedparam
-# if HAVE_RAW_DECL_POSIX_SPAWNATTR_SETSCHEDPARAM
-_GL_WARN_ON_USE (posix_spawnattr_setschedparam,
-                 "posix_spawnattr_setschedparam is unportable - "
-                 "use gnulib module posix_spawnattr_setschedparam for portability");
-# endif
-#endif
-
-
-#if 1
-/* Initialize data structure for file attribute for 'spawn' call.  */
-# if 0
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define posix_spawn_file_actions_init rpl_posix_spawn_file_actions_init
-#  endif
-_GL_FUNCDECL_RPL (posix_spawn_file_actions_init, int,
-                  (posix_spawn_file_actions_t *__file_actions)
-                  __THROW _GL_ARG_NONNULL ((1)));
-_GL_CXXALIAS_RPL (posix_spawn_file_actions_init, int,
-                  (posix_spawn_file_actions_t *__file_actions));
-# else
-#  if !0
-_GL_FUNCDECL_SYS (posix_spawn_file_actions_init, int,
-                  (posix_spawn_file_actions_t *__file_actions)
-                  __THROW _GL_ARG_NONNULL ((1)));
-#  endif
-_GL_CXXALIAS_SYS (posix_spawn_file_actions_init, int,
-                  (posix_spawn_file_actions_t *__file_actions));
-# endif
-_GL_CXXALIASWARN (posix_spawn_file_actions_init);
-#elif defined GNULIB_POSIXCHECK
-# undef posix_spawn_file_actions_init
-# if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_INIT
-_GL_WARN_ON_USE (posix_spawn_file_actions_init,
-                 "posix_spawn_file_actions_init is unportable - "
-                 "use gnulib module posix_spawn_file_actions_init for portability");
-# endif
-#endif
-
-#if 1
-/* Free resources associated with FILE-ACTIONS.  */
-# if 0
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define posix_spawn_file_actions_destroy rpl_posix_spawn_file_actions_destroy
-#  endif
-_GL_FUNCDECL_RPL (posix_spawn_file_actions_destroy, int,
-                  (posix_spawn_file_actions_t *__file_actions)
-                  __THROW _GL_ARG_NONNULL ((1)));
-_GL_CXXALIAS_RPL (posix_spawn_file_actions_destroy, int,
-                  (posix_spawn_file_actions_t *__file_actions));
-# else
-#  if !0
-_GL_FUNCDECL_SYS (posix_spawn_file_actions_destroy, int,
-                  (posix_spawn_file_actions_t *__file_actions)
-                  __THROW _GL_ARG_NONNULL ((1)));
-#  endif
-_GL_CXXALIAS_SYS (posix_spawn_file_actions_destroy, int,
-                  (posix_spawn_file_actions_t *__file_actions));
-# endif
-_GL_CXXALIASWARN (posix_spawn_file_actions_destroy);
-#elif defined GNULIB_POSIXCHECK
-# undef posix_spawn_file_actions_destroy
-# if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_DESTROY
-_GL_WARN_ON_USE (posix_spawn_file_actions_destroy,
-                 "posix_spawn_file_actions_destroy is unportable - "
-                 "use gnulib module posix_spawn_file_actions_destroy for portability");
-# endif
-#endif
-
-#if 1
-/* Add an action to FILE-ACTIONS which tells the implementation to call
-   'open' for the given file during the 'spawn' call.  */
-# if 1
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define posix_spawn_file_actions_addopen rpl_posix_spawn_file_actions_addopen
-#  endif
-_GL_FUNCDECL_RPL (posix_spawn_file_actions_addopen, int,
-                  (posix_spawn_file_actions_t *_Restrict_ __file_actions,
-                   int __fd,
-                   const char *_Restrict_ __path, int __oflag, mode_t __mode)
-                  __THROW _GL_ARG_NONNULL ((1, 3)));
-_GL_CXXALIAS_RPL (posix_spawn_file_actions_addopen, int,
-                  (posix_spawn_file_actions_t *_Restrict_ __file_actions,
-                   int __fd,
-                   const char *_Restrict_ __path, int __oflag, mode_t __mode));
-# else
-#  if !0
-_GL_FUNCDECL_SYS (posix_spawn_file_actions_addopen, int,
-                  (posix_spawn_file_actions_t *_Restrict_ __file_actions,
-                   int __fd,
-                   const char *_Restrict_ __path, int __oflag, mode_t __mode)
-                  __THROW _GL_ARG_NONNULL ((1, 3)));
-#  endif
-_GL_CXXALIAS_SYS (posix_spawn_file_actions_addopen, int,
-                  (posix_spawn_file_actions_t *_Restrict_ __file_actions,
-                   int __fd,
-                   const char *_Restrict_ __path, int __oflag, mode_t __mode));
-# endif
-_GL_CXXALIASWARN (posix_spawn_file_actions_addopen);
-#elif defined GNULIB_POSIXCHECK
-# undef posix_spawn_file_actions_addopen
-# if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_ADDOPEN
-_GL_WARN_ON_USE (posix_spawn_file_actions_addopen,
-                 "posix_spawn_file_actions_addopen is unportable - "
-                 "use gnulib module posix_spawn_file_actions_addopen for portability");
-# endif
-#endif
-
-#if 1
-/* Add an action to FILE-ACTIONS which tells the implementation to call
-   'close' for the given file descriptor during the 'spawn' call.  */
-# if 1
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define posix_spawn_file_actions_addclose rpl_posix_spawn_file_actions_addclose
-#  endif
-_GL_FUNCDECL_RPL (posix_spawn_file_actions_addclose, int,
-                  (posix_spawn_file_actions_t *__file_actions, int __fd)
-                  __THROW _GL_ARG_NONNULL ((1)));
-_GL_CXXALIAS_RPL (posix_spawn_file_actions_addclose, int,
-                  (posix_spawn_file_actions_t *__file_actions, int __fd));
-# else
-#  if !0
-_GL_FUNCDECL_SYS (posix_spawn_file_actions_addclose, int,
-                  (posix_spawn_file_actions_t *__file_actions, int __fd)
-                  __THROW _GL_ARG_NONNULL ((1)));
-#  endif
-_GL_CXXALIAS_SYS (posix_spawn_file_actions_addclose, int,
-                  (posix_spawn_file_actions_t *__file_actions, int __fd));
-# endif
-_GL_CXXALIASWARN (posix_spawn_file_actions_addclose);
-#elif defined GNULIB_POSIXCHECK
-# undef posix_spawn_file_actions_addclose
-# if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_ADDCLOSE
-_GL_WARN_ON_USE (posix_spawn_file_actions_addclose,
-                 "posix_spawn_file_actions_addclose is unportable - "
-                 "use gnulib module posix_spawn_file_actions_addclose for portability");
-# endif
-#endif
-
-#if 1
-/* Add an action to FILE-ACTIONS which tells the implementation to call
-   'dup2' for the given file descriptors during the 'spawn' call.  */
-# if 1
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define posix_spawn_file_actions_adddup2 rpl_posix_spawn_file_actions_adddup2
-#  endif
-_GL_FUNCDECL_RPL (posix_spawn_file_actions_adddup2, int,
-                  (posix_spawn_file_actions_t *__file_actions,
-                   int __fd, int __newfd)
-                  __THROW _GL_ARG_NONNULL ((1)));
-_GL_CXXALIAS_RPL (posix_spawn_file_actions_adddup2, int,
-                  (posix_spawn_file_actions_t *__file_actions,
-                   int __fd, int __newfd));
-# else
-#  if !0
-_GL_FUNCDECL_SYS (posix_spawn_file_actions_adddup2, int,
-                  (posix_spawn_file_actions_t *__file_actions,
-                   int __fd, int __newfd)
-                  __THROW _GL_ARG_NONNULL ((1)));
-#  endif
-_GL_CXXALIAS_SYS (posix_spawn_file_actions_adddup2, int,
-                  (posix_spawn_file_actions_t *__file_actions,
-                   int __fd, int __newfd));
-# endif
-_GL_CXXALIASWARN (posix_spawn_file_actions_adddup2);
-#elif defined GNULIB_POSIXCHECK
-# undef posix_spawn_file_actions_adddup2
-# if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_ADDDUP2
-_GL_WARN_ON_USE (posix_spawn_file_actions_adddup2,
-                 "posix_spawn_file_actions_adddup2 is unportable - "
-                 "use gnulib module posix_spawn_file_actions_adddup2 for portability");
-# endif
-#endif
-
-
-#endif /* _GL_M4_SPAWN_H */
-#endif /* _GL_M4_SPAWN_H */
+/* DO NOT EDIT! GENERATED AUTOMATICALLY! */ 
+/* Definitions for POSIX spawn interface. 
+   Copyright (C) 2000, 2003-2004, 2008-2013 Free Software Foundation, Inc. 
+   This file is part of the GNU C Library. 
+ 
+   This program 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 of the License, or 
+   (at your option) any later version. 
+ 
+   This program 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. 
+ 
+   You should have received a copy of the GNU General Public License 
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */ 
+ 
+#ifndef _GL_M4_SPAWN_H 
+ 
+#if __GNUC__ >= 3 
+ 
+#endif 
+ 
+ 
+/* The include_next requires a split double-inclusion guard.  */ 
+#if 0 
+# include <spawn.h> 
+#endif 
+ 
+#ifndef _GL_M4_SPAWN_H 
+#define _GL_M4_SPAWN_H 
+ 
+/* Get definitions of 'struct sched_param' and 'sigset_t'. 
+   But avoid namespace pollution on glibc systems.  */ 
+#if !(defined __GLIBC__ && !defined __UCLIBC__) 
+# include <sched.h> 
+# include <signal.h> 
+#endif 
+ 
+#include <sys/types.h> 
+ 
+#ifndef __THROW 
+# define __THROW 
+#endif 
+ 
+/* GCC 2.95 and later have "__restrict"; C99 compilers have 
+   "restrict", and "configure" may have defined "restrict". 
+   Other compilers use __restrict, __restrict__, and _Restrict, and 
+   'configure' might #define 'restrict' to those words, so pick a 
+   different name.  */ 
+#ifndef _Restrict_ 
+# if 199901L <= __STDC_VERSION__ 
+#  define _Restrict_ restrict 
+# elif 2 < __GNUC__ || (2 == __GNUC__ && 95 <= __GNUC_MINOR__) 
+#  define _Restrict_ __restrict 
+# else 
+#  define _Restrict_ 
+# endif 
+#endif 
+/* gcc 3.1 and up support the [restrict] syntax.  Don't trust 
+   sys/cdefs.h's definition of __restrict_arr, though, as it 
+   mishandles gcc -ansi -pedantic.  */ 
+#ifndef _Restrict_arr_ 
+# if ((199901L <= __STDC_VERSION__                                      \ 
+       || ((3 < __GNUC__ || (3 == __GNUC__ && 1 <= __GNUC_MINOR__))     \ 
+           && !defined __STRICT_ANSI__))                                        \ 
+      && !defined __GNUG__) 
+#  define _Restrict_arr_ _Restrict_ 
+# else 
+#  define _Restrict_arr_ 
+# endif 
+#endif 
+ 
+/* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */ 
+#ifndef _GL_CXXDEFS_H 
+#define _GL_CXXDEFS_H 
+ 
+/* The three most frequent use cases of these macros are: 
+ 
+   * For providing a substitute for a function that is missing on some 
+     platforms, but is declared and works fine on the platforms on which 
+     it exists: 
+ 
+       #if @GNULIB_FOO@ 
+       # if !@HAVE_FOO@ 
+       _GL_FUNCDECL_SYS (foo, ...); 
+       # endif 
+       _GL_CXXALIAS_SYS (foo, ...); 
+       _GL_CXXALIASWARN (foo); 
+       #elif defined GNULIB_POSIXCHECK 
+       ... 
+       #endif 
+ 
+   * For providing a replacement for a function that exists on all platforms, 
+     but is broken/insufficient and needs to be replaced on some platforms: 
+ 
+       #if @GNULIB_FOO@ 
+       # if @REPLACE_FOO@ 
+       #  if !(defined __cplusplus && defined GNULIB_NAMESPACE) 
+       #   undef foo 
+       #   define foo rpl_foo 
+       #  endif 
+       _GL_FUNCDECL_RPL (foo, ...); 
+       _GL_CXXALIAS_RPL (foo, ...); 
+       # else 
+       _GL_CXXALIAS_SYS (foo, ...); 
+       # endif 
+       _GL_CXXALIASWARN (foo); 
+       #elif defined GNULIB_POSIXCHECK 
+       ... 
+       #endif 
+ 
+   * For providing a replacement for a function that exists on some platforms 
+     but is broken/insufficient and needs to be replaced on some of them and 
+     is additionally either missing or undeclared on some other platforms: 
+ 
+       #if @GNULIB_FOO@ 
+       # if @REPLACE_FOO@ 
+       #  if !(defined __cplusplus && defined GNULIB_NAMESPACE) 
+       #   undef foo 
+       #   define foo rpl_foo 
+       #  endif 
+       _GL_FUNCDECL_RPL (foo, ...); 
+       _GL_CXXALIAS_RPL (foo, ...); 
+       # else 
+       #  if !@HAVE_FOO@   or   if !@HAVE_DECL_FOO@ 
+       _GL_FUNCDECL_SYS (foo, ...); 
+       #  endif 
+       _GL_CXXALIAS_SYS (foo, ...); 
+       # endif 
+       _GL_CXXALIASWARN (foo); 
+       #elif defined GNULIB_POSIXCHECK 
+       ... 
+       #endif 
+*/ 
+ 
+/* _GL_EXTERN_C declaration; 
+   performs the declaration with C linkage.  */ 
+#if defined __cplusplus 
+# define _GL_EXTERN_C extern "C" 
+#else 
+# define _GL_EXTERN_C extern 
+#endif 
+ 
+/* _GL_FUNCDECL_RPL (func, rettype, parameters_and_attributes); 
+   declares a replacement function, named rpl_func, with the given prototype, 
+   consisting of return type, parameters, and attributes. 
+   Example: 
+     _GL_FUNCDECL_RPL (open, int, (const char *filename, int flags, ...) 
+                                  _GL_ARG_NONNULL ((1))); 
+ */ 
+#define _GL_FUNCDECL_RPL(func,rettype,parameters_and_attributes) \ 
+  _GL_FUNCDECL_RPL_1 (rpl_##func, rettype, parameters_and_attributes) 
+#define _GL_FUNCDECL_RPL_1(rpl_func,rettype,parameters_and_attributes) \ 
+  _GL_EXTERN_C rettype rpl_func parameters_and_attributes 
+ 
+/* _GL_FUNCDECL_SYS (func, rettype, parameters_and_attributes); 
+   declares the system function, named func, with the given prototype, 
+   consisting of return type, parameters, and attributes. 
+   Example: 
+     _GL_FUNCDECL_SYS (open, int, (const char *filename, int flags, ...) 
+                                  _GL_ARG_NONNULL ((1))); 
+ */ 
+#define _GL_FUNCDECL_SYS(func,rettype,parameters_and_attributes) \ 
+  _GL_EXTERN_C rettype func parameters_and_attributes 
+ 
+/* _GL_CXXALIAS_RPL (func, rettype, parameters); 
+   declares a C++ alias called GNULIB_NAMESPACE::func 
+   that redirects to rpl_func, if GNULIB_NAMESPACE is defined. 
+   Example: 
+     _GL_CXXALIAS_RPL (open, int, (const char *filename, int flags, ...)); 
+ */ 
+#define _GL_CXXALIAS_RPL(func,rettype,parameters) \ 
+  _GL_CXXALIAS_RPL_1 (func, rpl_##func, rettype, parameters) 
+#if defined __cplusplus && defined GNULIB_NAMESPACE 
+# define _GL_CXXALIAS_RPL_1(func,rpl_func,rettype,parameters) \ 
+    namespace GNULIB_NAMESPACE                                \ 
+    {                                                         \ 
+      rettype (*const func) parameters = ::rpl_func;          \ 
+    }                                                         \ 
+    _GL_EXTERN_C int _gl_cxxalias_dummy 
+#else 
+# define _GL_CXXALIAS_RPL_1(func,rpl_func,rettype,parameters) \ 
+    _GL_EXTERN_C int _gl_cxxalias_dummy 
+#endif 
+ 
+/* _GL_CXXALIAS_RPL_CAST_1 (func, rpl_func, rettype, parameters); 
+   is like  _GL_CXXALIAS_RPL_1 (func, rpl_func, rettype, parameters); 
+   except that the C function rpl_func may have a slightly different 
+   declaration.  A cast is used to silence the "invalid conversion" error 
+   that would otherwise occur.  */ 
+#if defined __cplusplus && defined GNULIB_NAMESPACE 
+# define _GL_CXXALIAS_RPL_CAST_1(func,rpl_func,rettype,parameters) \ 
+    namespace GNULIB_NAMESPACE                                     \ 
+    {                                                              \ 
+      rettype (*const func) parameters =                           \ 
+        reinterpret_cast<rettype(*)parameters>(::rpl_func);        \ 
+    }                                                              \ 
+    _GL_EXTERN_C int _gl_cxxalias_dummy 
+#else 
+# define _GL_CXXALIAS_RPL_CAST_1(func,rpl_func,rettype,parameters) \ 
+    _GL_EXTERN_C int _gl_cxxalias_dummy 
+#endif 
+ 
+/* _GL_CXXALIAS_SYS (func, rettype, parameters); 
+   declares a C++ alias called GNULIB_NAMESPACE::func 
+   that redirects to the system provided function func, if GNULIB_NAMESPACE 
+   is defined. 
+   Example: 
+     _GL_CXXALIAS_SYS (open, int, (const char *filename, int flags, ...)); 
+ */ 
+#if defined __cplusplus && defined GNULIB_NAMESPACE 
+  /* If we were to write 
+       rettype (*const func) parameters = ::func; 
+     like above in _GL_CXXALIAS_RPL_1, the compiler could optimize calls 
+     better (remove an indirection through a 'static' pointer variable), 
+     but then the _GL_CXXALIASWARN macro below would cause a warning not only 
+     for uses of ::func but also for uses of GNULIB_NAMESPACE::func.  */ 
+# define _GL_CXXALIAS_SYS(func,rettype,parameters) \ 
+    namespace GNULIB_NAMESPACE                     \ 
+    {                                              \ 
+      static rettype (*func) parameters = ::func;  \ 
+    }                                              \ 
+    _GL_EXTERN_C int _gl_cxxalias_dummy 
+#else 
+# define _GL_CXXALIAS_SYS(func,rettype,parameters) \ 
+    _GL_EXTERN_C int _gl_cxxalias_dummy 
+#endif 
+ 
+/* _GL_CXXALIAS_SYS_CAST (func, rettype, parameters); 
+   is like  _GL_CXXALIAS_SYS (func, rettype, parameters); 
+   except that the C function func may have a slightly different declaration. 
+   A cast is used to silence the "invalid conversion" error that would 
+   otherwise occur.  */ 
+#if defined __cplusplus && defined GNULIB_NAMESPACE 
+# define _GL_CXXALIAS_SYS_CAST(func,rettype,parameters) \ 
+    namespace GNULIB_NAMESPACE                          \ 
+    {                                                   \ 
+      static rettype (*func) parameters =               \ 
+        reinterpret_cast<rettype(*)parameters>(::func); \ 
+    }                                                   \ 
+    _GL_EXTERN_C int _gl_cxxalias_dummy 
+#else 
+# define _GL_CXXALIAS_SYS_CAST(func,rettype,parameters) \ 
+    _GL_EXTERN_C int _gl_cxxalias_dummy 
+#endif 
+ 
+/* _GL_CXXALIAS_SYS_CAST2 (func, rettype, parameters, rettype2, parameters2); 
+   is like  _GL_CXXALIAS_SYS (func, rettype, parameters); 
+   except that the C function is picked among a set of overloaded functions, 
+   namely the one with rettype2 and parameters2.  Two consecutive casts 
+   are used to silence the "cannot find a match" and "invalid conversion" 
+   errors that would otherwise occur.  */ 
+#if defined __cplusplus && defined GNULIB_NAMESPACE 
+  /* The outer cast must be a reinterpret_cast. 
+     The inner cast: When the function is defined as a set of overloaded 
+     functions, it works as a static_cast<>, choosing the designated variant. 
+     When the function is defined as a single variant, it works as a 
+     reinterpret_cast<>. The parenthesized cast syntax works both ways.  */ 
+# define _GL_CXXALIAS_SYS_CAST2(func,rettype,parameters,rettype2,parameters2) \ 
+    namespace GNULIB_NAMESPACE                                                \ 
+    {                                                                         \ 
+      static rettype (*func) parameters =                                     \ 
+        reinterpret_cast<rettype(*)parameters>(                               \ 
+          (rettype2(*)parameters2)(::func));                                  \ 
+    }                                                                         \ 
+    _GL_EXTERN_C int _gl_cxxalias_dummy 
+#else 
+# define _GL_CXXALIAS_SYS_CAST2(func,rettype,parameters,rettype2,parameters2) \ 
+    _GL_EXTERN_C int _gl_cxxalias_dummy 
+#endif 
+ 
+/* _GL_CXXALIASWARN (func); 
+   causes a warning to be emitted when ::func is used but not when 
+   GNULIB_NAMESPACE::func is used.  func must be defined without overloaded 
+   variants.  */ 
+#if defined __cplusplus && defined GNULIB_NAMESPACE 
+# define _GL_CXXALIASWARN(func) \ 
+   _GL_CXXALIASWARN_1 (func, GNULIB_NAMESPACE) 
+# define _GL_CXXALIASWARN_1(func,namespace) \ 
+   _GL_CXXALIASWARN_2 (func, namespace) 
+/* To work around GCC bug <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43881>, 
+   we enable the warning only when not optimizing.  */ 
+# if !__OPTIMIZE__ 
+#  define _GL_CXXALIASWARN_2(func,namespace) \ 
+    _GL_WARN_ON_USE (func, \ 
+                     "The symbol ::" #func " refers to the system function. " \ 
+                     "Use " #namespace "::" #func " instead.") 
+# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING 
+#  define _GL_CXXALIASWARN_2(func,namespace) \ 
+     extern __typeof__ (func) func 
+# else 
+#  define _GL_CXXALIASWARN_2(func,namespace) \ 
+     _GL_EXTERN_C int _gl_cxxalias_dummy 
+# endif 
+#else 
+# define _GL_CXXALIASWARN(func) \ 
+    _GL_EXTERN_C int _gl_cxxalias_dummy 
+#endif 
+ 
+/* _GL_CXXALIASWARN1 (func, rettype, parameters_and_attributes); 
+   causes a warning to be emitted when the given overloaded variant of ::func 
+   is used but not when GNULIB_NAMESPACE::func is used.  */ 
+#if defined __cplusplus && defined GNULIB_NAMESPACE 
+# define _GL_CXXALIASWARN1(func,rettype,parameters_and_attributes) \ 
+   _GL_CXXALIASWARN1_1 (func, rettype, parameters_and_attributes, \ 
+                        GNULIB_NAMESPACE) 
+# define _GL_CXXALIASWARN1_1(func,rettype,parameters_and_attributes,namespace) \ 
+   _GL_CXXALIASWARN1_2 (func, rettype, parameters_and_attributes, namespace) 
+/* To work around GCC bug <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43881>, 
+   we enable the warning only when not optimizing.  */ 
+# if !__OPTIMIZE__ 
+#  define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \ 
+    _GL_WARN_ON_USE_CXX (func, rettype, parameters_and_attributes, \ 
+                         "The symbol ::" #func " refers to the system function. " \ 
+                         "Use " #namespace "::" #func " instead.") 
+# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING 
+#  define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \ 
+     extern __typeof__ (func) func 
+# else 
+#  define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \ 
+     _GL_EXTERN_C int _gl_cxxalias_dummy 
+# endif 
+#else 
+# define _GL_CXXALIASWARN1(func,rettype,parameters_and_attributes) \ 
+    _GL_EXTERN_C int _gl_cxxalias_dummy 
+#endif 
+ 
+#endif /* _GL_CXXDEFS_H */ 
+ 
+/* The definition of _GL_ARG_NONNULL is copied here.  */ 
+/* _GL_ARG_NONNULL((n,...,m)) tells the compiler and static analyzer tools 
+   that the values passed as arguments n, ..., m must be non-NULL pointers. 
+   n = 1 stands for the first argument, n = 2 for the second argument etc.  */ 
+#ifndef _GL_ARG_NONNULL 
+# if (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || __GNUC__ > 3 
+#  define _GL_ARG_NONNULL(params) __attribute__ ((__nonnull__ params)) 
+# else 
+#  define _GL_ARG_NONNULL(params) 
+# endif 
+#endif 
+ 
+/* The definition of _GL_WARN_ON_USE is copied here.  */ 
+#ifndef _GL_WARN_ON_USE 
+ 
+# if 4 < __GNUC__ || (__GNUC__ == 4 && 3 <= __GNUC_MINOR__) 
+/* A compiler attribute is available in gcc versions 4.3.0 and later.  */ 
+#  define _GL_WARN_ON_USE(function, message) \ 
+extern __typeof__ (function) function __attribute__ ((__warning__ (message))) 
+# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING 
+/* Verify the existence of the function.  */ 
+#  define _GL_WARN_ON_USE(function, message) \ 
+extern __typeof__ (function) function 
+# else /* Unsupported.  */ 
+#  define _GL_WARN_ON_USE(function, message) \ 
+_GL_WARN_EXTERN_C int _gl_warn_on_use 
+# endif 
+#endif 
+ 
+/* _GL_WARN_ON_USE_CXX (function, rettype, parameters_and_attributes, "string") 
+   is like _GL_WARN_ON_USE (function, "string"), except that the function is 
+   declared with the given prototype, consisting of return type, parameters, 
+   and attributes. 
+   This variant is useful for overloaded functions in C++. _GL_WARN_ON_USE does 
+   not work in this case.  */ 
+#ifndef _GL_WARN_ON_USE_CXX 
+# if 4 < __GNUC__ || (__GNUC__ == 4 && 3 <= __GNUC_MINOR__) 
+#  define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \ 
+extern rettype function parameters_and_attributes \ 
+     __attribute__ ((__warning__ (msg))) 
+# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING 
+/* Verify the existence of the function.  */ 
+#  define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \ 
+extern rettype function parameters_and_attributes 
+# else /* Unsupported.  */ 
+#  define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \ 
+_GL_WARN_EXTERN_C int _gl_warn_on_use 
+# endif 
+#endif 
+ 
+/* _GL_WARN_EXTERN_C declaration; 
+   performs the declaration with C linkage.  */ 
+#ifndef _GL_WARN_EXTERN_C 
+# if defined __cplusplus 
+#  define _GL_WARN_EXTERN_C extern "C" 
+# else 
+#  define _GL_WARN_EXTERN_C extern 
+# endif 
+#endif 
+ 
+ 
+/* Data structure to contain attributes for thread creation.  */ 
+#if 0 
+# define posix_spawnattr_t rpl_posix_spawnattr_t 
+#endif 
+#if 0 || !0 
+# if !GNULIB_defined_posix_spawnattr_t 
+typedef struct 
+{ 
+  short int _flags; 
+  pid_t _pgrp; 
+  sigset_t _sd; 
+  sigset_t _ss; 
+  struct sched_param _sp; 
+  int _policy; 
+  int __pad[16]; 
+} posix_spawnattr_t; 
+#  define GNULIB_defined_posix_spawnattr_t 1 
+# endif 
+#endif 
+ 
+ 
+/* Data structure to contain information about the actions to be 
+   performed in the new process with respect to file descriptors.  */ 
+#if 0 
+# define posix_spawn_file_actions_t rpl_posix_spawn_file_actions_t 
+#endif 
+#if 0 || !0 
+# if !GNULIB_defined_posix_spawn_file_actions_t 
+typedef struct 
+{ 
+  int _allocated; 
+  int _used; 
+  struct __spawn_action *_actions; 
+  int __pad[16]; 
+} posix_spawn_file_actions_t; 
+#  define GNULIB_defined_posix_spawn_file_actions_t 1 
+# endif 
+#endif 
+ 
+ 
+/* Flags to be set in the 'posix_spawnattr_t'.  */ 
+#if 0 
+/* Use the values from the system, but provide the missing ones.  */ 
+# ifndef POSIX_SPAWN_SETSCHEDPARAM 
+#  define POSIX_SPAWN_SETSCHEDPARAM 0 
+# endif 
+# ifndef POSIX_SPAWN_SETSCHEDULER 
+#  define POSIX_SPAWN_SETSCHEDULER 0 
+# endif 
+#else 
+# if 0 
+/* Use the values from the system, for better compatibility.  */ 
+/* But this implementation does not support AIX extensions.  */ 
+#  undef POSIX_SPAWN_FORK_HANDLERS 
+# else 
+#  define POSIX_SPAWN_RESETIDS           0x01 
+#  define POSIX_SPAWN_SETPGROUP          0x02 
+#  define POSIX_SPAWN_SETSIGDEF          0x04 
+#  define POSIX_SPAWN_SETSIGMASK         0x08 
+#  define POSIX_SPAWN_SETSCHEDPARAM      0x10 
+#  define POSIX_SPAWN_SETSCHEDULER       0x20 
+# endif 
+#endif 
+/* A GNU extension.  Use the next free bit position.  */ 
+#define POSIX_SPAWN_USEVFORK \ 
+  ((POSIX_SPAWN_RESETIDS | (POSIX_SPAWN_RESETIDS - 1)                     \ 
+    | POSIX_SPAWN_SETPGROUP | (POSIX_SPAWN_SETPGROUP - 1)                 \ 
+    | POSIX_SPAWN_SETSIGDEF | (POSIX_SPAWN_SETSIGDEF - 1)                 \ 
+    | POSIX_SPAWN_SETSIGMASK | (POSIX_SPAWN_SETSIGMASK - 1)               \ 
+    | POSIX_SPAWN_SETSCHEDPARAM                                           \ 
+    | (POSIX_SPAWN_SETSCHEDPARAM > 0 ? POSIX_SPAWN_SETSCHEDPARAM - 1 : 0) \ 
+    | POSIX_SPAWN_SETSCHEDULER                                            \ 
+    | (POSIX_SPAWN_SETSCHEDULER > 0 ? POSIX_SPAWN_SETSCHEDULER - 1 : 0))  \ 
+   + 1) 
+#if !GNULIB_defined_verify_POSIX_SPAWN_USEVFORK_no_overlap 
+typedef int verify_POSIX_SPAWN_USEVFORK_no_overlap 
+            [(((POSIX_SPAWN_RESETIDS | POSIX_SPAWN_SETPGROUP 
+                | POSIX_SPAWN_SETSIGDEF | POSIX_SPAWN_SETSIGMASK 
+                | POSIX_SPAWN_SETSCHEDPARAM | POSIX_SPAWN_SETSCHEDULER) 
+               & POSIX_SPAWN_USEVFORK) 
+              == 0) 
+             ? 1 : -1]; 
+# define GNULIB_defined_verify_POSIX_SPAWN_USEVFORK_no_overlap 1 
+#endif 
+ 
+ 
+#if 0 
+/* Spawn a new process executing PATH with the attributes describes in *ATTRP. 
+   Before running the process perform the actions described in FILE-ACTIONS. 
+ 
+   This function is a possible cancellation points and therefore not 
+   marked with __THROW. */ 
+# if 0 
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE) 
+#   define posix_spawn rpl_posix_spawn 
+#  endif 
+_GL_FUNCDECL_RPL (posix_spawn, int, 
+                  (pid_t *_Restrict_ __pid, 
+                   const char *_Restrict_ __path, 
+                   const posix_spawn_file_actions_t *_Restrict_ __file_actions, 
+                   const posix_spawnattr_t *_Restrict_ __attrp, 
+                   char *const argv[_Restrict_arr_], 
+                   char *const envp[_Restrict_arr_]) 
+                  _GL_ARG_NONNULL ((2, 5, 6))); 
+_GL_CXXALIAS_RPL (posix_spawn, int, 
+                  (pid_t *_Restrict_ __pid, 
+                   const char *_Restrict_ __path, 
+                   const posix_spawn_file_actions_t *_Restrict_ __file_actions, 
+                   const posix_spawnattr_t *_Restrict_ __attrp, 
+                   char *const argv[_Restrict_arr_], 
+                   char *const envp[_Restrict_arr_])); 
+# else 
+#  if !0 
+_GL_FUNCDECL_SYS (posix_spawn, int, 
+                  (pid_t *_Restrict_ __pid, 
+                   const char *_Restrict_ __path, 
+                   const posix_spawn_file_actions_t *_Restrict_ __file_actions, 
+                   const posix_spawnattr_t *_Restrict_ __attrp, 
+                   char *const argv[_Restrict_arr_], 
+                   char *const envp[_Restrict_arr_]) 
+                  _GL_ARG_NONNULL ((2, 5, 6))); 
+#  endif 
+_GL_CXXALIAS_SYS (posix_spawn, int, 
+                  (pid_t *_Restrict_ __pid, 
+                   const char *_Restrict_ __path, 
+                   const posix_spawn_file_actions_t *_Restrict_ __file_actions, 
+                   const posix_spawnattr_t *_Restrict_ __attrp, 
+                   char *const argv[_Restrict_arr_], 
+                   char *const envp[_Restrict_arr_])); 
+# endif 
+_GL_CXXALIASWARN (posix_spawn); 
+#elif defined GNULIB_POSIXCHECK 
+# undef posix_spawn 
+# if HAVE_RAW_DECL_POSIX_SPAWN 
+_GL_WARN_ON_USE (posix_spawn, "posix_spawn is unportable - " 
+                 "use gnulib module posix_spawn for portability"); 
+# endif 
+#endif 
+ 
+#if 1 
+/* Similar to 'posix_spawn' but search for FILE in the PATH. 
+ 
+   This function is a possible cancellation points and therefore not 
+   marked with __THROW.  */ 
+# if 0 
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE) 
+#   define posix_spawnp rpl_posix_spawnp 
+#  endif 
+_GL_FUNCDECL_RPL (posix_spawnp, int, 
+                  (pid_t *__pid, const char *__file, 
+                   const posix_spawn_file_actions_t *__file_actions, 
+                   const posix_spawnattr_t *__attrp, 
+                   char *const argv[], char *const envp[]) 
+                  _GL_ARG_NONNULL ((2, 5, 6))); 
+_GL_CXXALIAS_RPL (posix_spawnp, int, 
+                  (pid_t *__pid, const char *__file, 
+                   const posix_spawn_file_actions_t *__file_actions, 
+                   const posix_spawnattr_t *__attrp, 
+                   char *const argv[], char *const envp[])); 
+# else 
+#  if !0 
+_GL_FUNCDECL_SYS (posix_spawnp, int, 
+                  (pid_t *__pid, const char *__file, 
+                   const posix_spawn_file_actions_t *__file_actions, 
+                   const posix_spawnattr_t *__attrp, 
+                   char *const argv[], char *const envp[]) 
+                  _GL_ARG_NONNULL ((2, 5, 6))); 
+#  endif 
+_GL_CXXALIAS_SYS (posix_spawnp, int, 
+                  (pid_t *__pid, const char *__file, 
+                   const posix_spawn_file_actions_t *__file_actions, 
+                   const posix_spawnattr_t *__attrp, 
+                   char *const argv[], char *const envp[])); 
+# endif 
+_GL_CXXALIASWARN (posix_spawnp); 
+#elif defined GNULIB_POSIXCHECK 
+# undef posix_spawnp 
+# if HAVE_RAW_DECL_POSIX_SPAWNP 
+_GL_WARN_ON_USE (posix_spawnp, "posix_spawnp is unportable - " 
+                 "use gnulib module posix_spawnp for portability"); 
+# endif 
+#endif 
+ 
+ 
+#if 1 
+/* Initialize data structure with attributes for 'spawn' to default values.  */ 
+# if 0 
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE) 
+#   define posix_spawnattr_init rpl_posix_spawnattr_init 
+#  endif 
+_GL_FUNCDECL_RPL (posix_spawnattr_init, int, (posix_spawnattr_t *__attr) 
+                                             __THROW _GL_ARG_NONNULL ((1))); 
+_GL_CXXALIAS_RPL (posix_spawnattr_init, int, (posix_spawnattr_t *__attr)); 
+# else 
+#  if !0 
+_GL_FUNCDECL_SYS (posix_spawnattr_init, int, (posix_spawnattr_t *__attr) 
+                                             __THROW _GL_ARG_NONNULL ((1))); 
+#  endif 
+_GL_CXXALIAS_SYS (posix_spawnattr_init, int, (posix_spawnattr_t *__attr)); 
+# endif 
+_GL_CXXALIASWARN (posix_spawnattr_init); 
+#elif defined GNULIB_POSIXCHECK 
+# undef posix_spawnattr_init 
+# if HAVE_RAW_DECL_POSIX_SPAWNATTR_INIT 
+_GL_WARN_ON_USE (posix_spawnattr_init, "posix_spawnattr_init is unportable - " 
+                 "use gnulib module posix_spawnattr_init for portability"); 
+# endif 
+#endif 
+ 
+#if 1 
+/* Free resources associated with ATTR.  */ 
+# if 0 
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE) 
+#   define posix_spawnattr_destroy rpl_posix_spawnattr_destroy 
+#  endif 
+_GL_FUNCDECL_RPL (posix_spawnattr_destroy, int, (posix_spawnattr_t *__attr) 
+                                                __THROW _GL_ARG_NONNULL ((1))); 
+_GL_CXXALIAS_RPL (posix_spawnattr_destroy, int, (posix_spawnattr_t *__attr)); 
+# else 
+#  if !0 
+_GL_FUNCDECL_SYS (posix_spawnattr_destroy, int, (posix_spawnattr_t *__attr) 
+                                                __THROW _GL_ARG_NONNULL ((1))); 
+#  endif 
+_GL_CXXALIAS_SYS (posix_spawnattr_destroy, int, (posix_spawnattr_t *__attr)); 
+# endif 
+_GL_CXXALIASWARN (posix_spawnattr_destroy); 
+#elif defined GNULIB_POSIXCHECK 
+# undef posix_spawnattr_destroy 
+# if HAVE_RAW_DECL_POSIX_SPAWNATTR_DESTROY 
+_GL_WARN_ON_USE (posix_spawnattr_destroy, 
+                 "posix_spawnattr_destroy is unportable - " 
+                 "use gnulib module posix_spawnattr_destroy for portability"); 
+# endif 
+#endif 
+ 
+#if 0 
+/* Store signal mask for signals with default handling from ATTR in 
+   SIGDEFAULT.  */ 
+# if 0 
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE) 
+#   define posix_spawnattr_getsigdefault rpl_posix_spawnattr_getsigdefault 
+#  endif 
+_GL_FUNCDECL_RPL (posix_spawnattr_getsigdefault, int, 
+                  (const posix_spawnattr_t *_Restrict_ __attr, 
+                   sigset_t *_Restrict_ __sigdefault) 
+                  __THROW _GL_ARG_NONNULL ((1, 2))); 
+_GL_CXXALIAS_RPL (posix_spawnattr_getsigdefault, int, 
+                  (const posix_spawnattr_t *_Restrict_ __attr, 
+                   sigset_t *_Restrict_ __sigdefault)); 
+# else 
+#  if !0 
+_GL_FUNCDECL_SYS (posix_spawnattr_getsigdefault, int, 
+                  (const posix_spawnattr_t *_Restrict_ __attr, 
+                   sigset_t *_Restrict_ __sigdefault) 
+                  __THROW _GL_ARG_NONNULL ((1, 2))); 
+#  endif 
+_GL_CXXALIAS_SYS (posix_spawnattr_getsigdefault, int, 
+                  (const posix_spawnattr_t *_Restrict_ __attr, 
+                   sigset_t *_Restrict_ __sigdefault)); 
+# endif 
+_GL_CXXALIASWARN (posix_spawnattr_getsigdefault); 
+#elif defined GNULIB_POSIXCHECK 
+# undef posix_spawnattr_getsigdefault 
+# if HAVE_RAW_DECL_POSIX_SPAWNATTR_GETSIGDEFAULT 
+_GL_WARN_ON_USE (posix_spawnattr_getsigdefault, 
+                 "posix_spawnattr_getsigdefault is unportable - " 
+                 "use gnulib module posix_spawnattr_getsigdefault for portability"); 
+# endif 
+#endif 
+ 
+#if 0 
+/* Set signal mask for signals with default handling in ATTR to SIGDEFAULT.  */ 
+# if 0 
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE) 
+#   define posix_spawnattr_setsigdefault rpl_posix_spawnattr_setsigdefault 
+#  endif 
+_GL_FUNCDECL_RPL (posix_spawnattr_setsigdefault, int, 
+                  (posix_spawnattr_t *_Restrict_ __attr, 
+                   const sigset_t *_Restrict_ __sigdefault) 
+                  __THROW _GL_ARG_NONNULL ((1, 2))); 
+_GL_CXXALIAS_RPL (posix_spawnattr_setsigdefault, int, 
+                  (posix_spawnattr_t *_Restrict_ __attr, 
+                   const sigset_t *_Restrict_ __sigdefault)); 
+# else 
+#  if !0 
+_GL_FUNCDECL_SYS (posix_spawnattr_setsigdefault, int, 
+                  (posix_spawnattr_t *_Restrict_ __attr, 
+                   const sigset_t *_Restrict_ __sigdefault) 
+                  __THROW _GL_ARG_NONNULL ((1, 2))); 
+#  endif 
+_GL_CXXALIAS_SYS (posix_spawnattr_setsigdefault, int, 
+                  (posix_spawnattr_t *_Restrict_ __attr, 
+                   const sigset_t *_Restrict_ __sigdefault)); 
+# endif 
+_GL_CXXALIASWARN (posix_spawnattr_setsigdefault); 
+#elif defined GNULIB_POSIXCHECK 
+# undef posix_spawnattr_setsigdefault 
+# if HAVE_RAW_DECL_POSIX_SPAWNATTR_SETSIGDEFAULT 
+_GL_WARN_ON_USE (posix_spawnattr_setsigdefault, 
+                 "posix_spawnattr_setsigdefault is unportable - " 
+                 "use gnulib module posix_spawnattr_setsigdefault for portability"); 
+# endif 
+#endif 
+ 
+#if 0 
+/* Store signal mask for the new process from ATTR in SIGMASK.  */ 
+# if 0 
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE) 
+#   define posix_spawnattr_getsigmask rpl_posix_spawnattr_getsigmask 
+#  endif 
+_GL_FUNCDECL_RPL (posix_spawnattr_getsigmask, int, 
+                  (const posix_spawnattr_t *_Restrict_ __attr, 
+                   sigset_t *_Restrict_ __sigmask) 
+                  __THROW _GL_ARG_NONNULL ((1, 2))); 
+_GL_CXXALIAS_RPL (posix_spawnattr_getsigmask, int, 
+                  (const posix_spawnattr_t *_Restrict_ __attr, 
+                   sigset_t *_Restrict_ __sigmask)); 
+# else 
+#  if !0 
+_GL_FUNCDECL_SYS (posix_spawnattr_getsigmask, int, 
+                  (const posix_spawnattr_t *_Restrict_ __attr, 
+                   sigset_t *_Restrict_ __sigmask) 
+                  __THROW _GL_ARG_NONNULL ((1, 2))); 
+#  endif 
+_GL_CXXALIAS_SYS (posix_spawnattr_getsigmask, int, 
+                  (const posix_spawnattr_t *_Restrict_ __attr, 
+                   sigset_t *_Restrict_ __sigmask)); 
+# endif 
+_GL_CXXALIASWARN (posix_spawnattr_getsigmask); 
+#elif defined GNULIB_POSIXCHECK 
+# undef posix_spawnattr_getsigmask 
+# if HAVE_RAW_DECL_POSIX_SPAWNATTR_GETSIGMASK 
+_GL_WARN_ON_USE (posix_spawnattr_getsigmask, 
+                 "posix_spawnattr_getsigmask is unportable - " 
+                 "use gnulib module posix_spawnattr_getsigmask for portability"); 
+# endif 
+#endif 
+ 
+#if 1 
+/* Set signal mask for the new process in ATTR to SIGMASK.  */ 
+# if 0 
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE) 
+#   define posix_spawnattr_setsigmask rpl_posix_spawnattr_setsigmask 
+#  endif 
+_GL_FUNCDECL_RPL (posix_spawnattr_setsigmask, int, 
+                  (posix_spawnattr_t *_Restrict_ __attr, 
+                   const sigset_t *_Restrict_ __sigmask) 
+                  __THROW _GL_ARG_NONNULL ((1, 2))); 
+_GL_CXXALIAS_RPL (posix_spawnattr_setsigmask, int, 
+                  (posix_spawnattr_t *_Restrict_ __attr, 
+                   const sigset_t *_Restrict_ __sigmask)); 
+# else 
+#  if !0 
+_GL_FUNCDECL_SYS (posix_spawnattr_setsigmask, int, 
+                  (posix_spawnattr_t *_Restrict_ __attr, 
+                   const sigset_t *_Restrict_ __sigmask) 
+                  __THROW _GL_ARG_NONNULL ((1, 2))); 
+#  endif 
+_GL_CXXALIAS_SYS (posix_spawnattr_setsigmask, int, 
+                  (posix_spawnattr_t *_Restrict_ __attr, 
+                   const sigset_t *_Restrict_ __sigmask)); 
+# endif 
+_GL_CXXALIASWARN (posix_spawnattr_setsigmask); 
+#elif defined GNULIB_POSIXCHECK 
+# undef posix_spawnattr_setsigmask 
+# if HAVE_RAW_DECL_POSIX_SPAWNATTR_SETSIGMASK 
+_GL_WARN_ON_USE (posix_spawnattr_setsigmask, 
+                 "posix_spawnattr_setsigmask is unportable - " 
+                 "use gnulib module posix_spawnattr_setsigmask for portability"); 
+# endif 
+#endif 
+ 
+#if 0 
+/* Get flag word from the attribute structure.  */ 
+# if 0 
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE) 
+#   define posix_spawnattr_getflags rpl_posix_spawnattr_getflags 
+#  endif 
+_GL_FUNCDECL_RPL (posix_spawnattr_getflags, int, 
+                  (const posix_spawnattr_t *_Restrict_ __attr, 
+                   short int *_Restrict_ __flags) 
+                  __THROW _GL_ARG_NONNULL ((1, 2))); 
+_GL_CXXALIAS_RPL (posix_spawnattr_getflags, int, 
+                  (const posix_spawnattr_t *_Restrict_ __attr, 
+                   short int *_Restrict_ __flags)); 
+# else 
+#  if !0 
+_GL_FUNCDECL_SYS (posix_spawnattr_getflags, int, 
+                  (const posix_spawnattr_t *_Restrict_ __attr, 
+                   short int *_Restrict_ __flags) 
+                  __THROW _GL_ARG_NONNULL ((1, 2))); 
+#  endif 
+_GL_CXXALIAS_SYS (posix_spawnattr_getflags, int, 
+                  (const posix_spawnattr_t *_Restrict_ __attr, 
+                   short int *_Restrict_ __flags)); 
+# endif 
+_GL_CXXALIASWARN (posix_spawnattr_getflags); 
+#elif defined GNULIB_POSIXCHECK 
+# undef posix_spawnattr_getflags 
+# if HAVE_RAW_DECL_POSIX_SPAWNATTR_GETFLAGS 
+_GL_WARN_ON_USE (posix_spawnattr_getflags, 
+                 "posix_spawnattr_getflags is unportable - " 
+                 "use gnulib module posix_spawnattr_getflags for portability"); 
+# endif 
+#endif 
+ 
+#if 1 
+/* Store flags in the attribute structure.  */ 
+# if 0 
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE) 
+#   define posix_spawnattr_setflags rpl_posix_spawnattr_setflags 
+#  endif 
+_GL_FUNCDECL_RPL (posix_spawnattr_setflags, int, 
+                  (posix_spawnattr_t *__attr, short int __flags) 
+                  __THROW _GL_ARG_NONNULL ((1))); 
+_GL_CXXALIAS_RPL (posix_spawnattr_setflags, int, 
+                  (posix_spawnattr_t *__attr, short int __flags)); 
+# else 
+#  if !0 
+_GL_FUNCDECL_SYS (posix_spawnattr_setflags, int, 
+                  (posix_spawnattr_t *__attr, short int __flags) 
+                  __THROW _GL_ARG_NONNULL ((1))); 
+#  endif 
+_GL_CXXALIAS_SYS (posix_spawnattr_setflags, int, 
+                  (posix_spawnattr_t *__attr, short int __flags)); 
+# endif 
+_GL_CXXALIASWARN (posix_spawnattr_setflags); 
+#elif defined GNULIB_POSIXCHECK 
+# undef posix_spawnattr_setflags 
+# if HAVE_RAW_DECL_POSIX_SPAWNATTR_SETFLAGS 
+_GL_WARN_ON_USE (posix_spawnattr_setflags, 
+                 "posix_spawnattr_setflags is unportable - " 
+                 "use gnulib module posix_spawnattr_setflags for portability"); 
+# endif 
+#endif 
+ 
+#if 0 
+/* Get process group ID from the attribute structure.  */ 
+# if 0 
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE) 
+#   define posix_spawnattr_getpgroup rpl_posix_spawnattr_getpgroup 
+#  endif 
+_GL_FUNCDECL_RPL (posix_spawnattr_getpgroup, int, 
+                  (const posix_spawnattr_t *_Restrict_ __attr, 
+                   pid_t *_Restrict_ __pgroup) 
+                  __THROW _GL_ARG_NONNULL ((1, 2))); 
+_GL_CXXALIAS_RPL (posix_spawnattr_getpgroup, int, 
+                  (const posix_spawnattr_t *_Restrict_ __attr, 
+                   pid_t *_Restrict_ __pgroup)); 
+# else 
+#  if !0 
+_GL_FUNCDECL_SYS (posix_spawnattr_getpgroup, int, 
+                  (const posix_spawnattr_t *_Restrict_ __attr, 
+                   pid_t *_Restrict_ __pgroup) 
+                  __THROW _GL_ARG_NONNULL ((1, 2))); 
+#  endif 
+_GL_CXXALIAS_SYS (posix_spawnattr_getpgroup, int, 
+                  (const posix_spawnattr_t *_Restrict_ __attr, 
+                   pid_t *_Restrict_ __pgroup)); 
+# endif 
+_GL_CXXALIASWARN (posix_spawnattr_getpgroup); 
+#elif defined GNULIB_POSIXCHECK 
+# undef posix_spawnattr_getpgroup 
+# if HAVE_RAW_DECL_POSIX_SPAWNATTR_GETPGROUP 
+_GL_WARN_ON_USE (posix_spawnattr_getpgroup, 
+                 "posix_spawnattr_getpgroup is unportable - " 
+                 "use gnulib module posix_spawnattr_getpgroup for portability"); 
+# endif 
+#endif 
+ 
+#if 0 
+/* Store process group ID in the attribute structure.  */ 
+# if 0 
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE) 
+#   define posix_spawnattr_setpgroup rpl_posix_spawnattr_setpgroup 
+#  endif 
+_GL_FUNCDECL_RPL (posix_spawnattr_setpgroup, int, 
+                  (posix_spawnattr_t *__attr, pid_t __pgroup) 
+                  __THROW _GL_ARG_NONNULL ((1))); 
+_GL_CXXALIAS_RPL (posix_spawnattr_setpgroup, int, 
+                  (posix_spawnattr_t *__attr, pid_t __pgroup)); 
+# else 
+#  if !0 
+_GL_FUNCDECL_SYS (posix_spawnattr_setpgroup, int, 
+                  (posix_spawnattr_t *__attr, pid_t __pgroup) 
+                  __THROW _GL_ARG_NONNULL ((1))); 
+#  endif 
+_GL_CXXALIAS_SYS (posix_spawnattr_setpgroup, int, 
+                  (posix_spawnattr_t *__attr, pid_t __pgroup)); 
+# endif 
+_GL_CXXALIASWARN (posix_spawnattr_setpgroup); 
+#elif defined GNULIB_POSIXCHECK 
+# undef posix_spawnattr_setpgroup 
+# if HAVE_RAW_DECL_POSIX_SPAWNATTR_SETPGROUP 
+_GL_WARN_ON_USE (posix_spawnattr_setpgroup, 
+                 "posix_spawnattr_setpgroup is unportable - " 
+                 "use gnulib module posix_spawnattr_setpgroup for portability"); 
+# endif 
+#endif 
+ 
+#if 0 
+/* Get scheduling policy from the attribute structure.  */ 
+# if 0 
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE) 
+#   define posix_spawnattr_getschedpolicy rpl_posix_spawnattr_getschedpolicy 
+#  endif 
+_GL_FUNCDECL_RPL (posix_spawnattr_getschedpolicy, int, 
+                  (const posix_spawnattr_t *_Restrict_ __attr, 
+                   int *_Restrict_ __schedpolicy) 
+                  __THROW _GL_ARG_NONNULL ((1, 2))); 
+_GL_CXXALIAS_RPL (posix_spawnattr_getschedpolicy, int, 
+                  (const posix_spawnattr_t *_Restrict_ __attr, 
+                   int *_Restrict_ __schedpolicy)); 
+# else 
+#  if !0 || POSIX_SPAWN_SETSCHEDULER == 0 
+_GL_FUNCDECL_SYS (posix_spawnattr_getschedpolicy, int, 
+                  (const posix_spawnattr_t *_Restrict_ __attr, 
+                   int *_Restrict_ __schedpolicy) 
+                  __THROW _GL_ARG_NONNULL ((1, 2))); 
+#  endif 
+_GL_CXXALIAS_SYS (posix_spawnattr_getschedpolicy, int, 
+                  (const posix_spawnattr_t *_Restrict_ __attr, 
+                   int *_Restrict_ __schedpolicy)); 
+# endif 
+_GL_CXXALIASWARN (posix_spawnattr_getschedpolicy); 
+#elif defined GNULIB_POSIXCHECK 
+# undef posix_spawnattr_getschedpolicy 
+# if HAVE_RAW_DECL_POSIX_SPAWNATTR_GETSCHEDPOLICY 
+_GL_WARN_ON_USE (posix_spawnattr_getschedpolicy, 
+                 "posix_spawnattr_getschedpolicy is unportable - " 
+                 "use gnulib module posix_spawnattr_getschedpolicy for portability"); 
+# endif 
+#endif 
+ 
+#if 0 
+/* Store scheduling policy in the attribute structure.  */ 
+# if 0 
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE) 
+#   define posix_spawnattr_setschedpolicy rpl_posix_spawnattr_setschedpolicy 
+#  endif 
+_GL_FUNCDECL_RPL (posix_spawnattr_setschedpolicy, int, 
+                  (posix_spawnattr_t *__attr, int __schedpolicy) 
+                  __THROW _GL_ARG_NONNULL ((1))); 
+_GL_CXXALIAS_RPL (posix_spawnattr_setschedpolicy, int, 
+                  (posix_spawnattr_t *__attr, int __schedpolicy)); 
+# else 
+#  if !0 || POSIX_SPAWN_SETSCHEDULER == 0 
+_GL_FUNCDECL_SYS (posix_spawnattr_setschedpolicy, int, 
+                  (posix_spawnattr_t *__attr, int __schedpolicy) 
+                  __THROW _GL_ARG_NONNULL ((1))); 
+#  endif 
+_GL_CXXALIAS_SYS (posix_spawnattr_setschedpolicy, int, 
+                  (posix_spawnattr_t *__attr, int __schedpolicy)); 
+# endif 
+_GL_CXXALIASWARN (posix_spawnattr_setschedpolicy); 
+#elif defined GNULIB_POSIXCHECK 
+# undef posix_spawnattr_setschedpolicy 
+# if HAVE_RAW_DECL_POSIX_SPAWNATTR_SETSCHEDPOLICY 
+_GL_WARN_ON_USE (posix_spawnattr_setschedpolicy, 
+                 "posix_spawnattr_setschedpolicy is unportable - " 
+                 "use gnulib module posix_spawnattr_setschedpolicy for portability"); 
+# endif 
+#endif 
+ 
+#if 0 
+/* Get scheduling parameters from the attribute structure.  */ 
+# if 0 
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE) 
+#   define posix_spawnattr_getschedparam rpl_posix_spawnattr_getschedparam 
+#  endif 
+_GL_FUNCDECL_RPL (posix_spawnattr_getschedparam, int, 
+                  (const posix_spawnattr_t *_Restrict_ __attr, 
+                   struct sched_param *_Restrict_ __schedparam) 
+                  __THROW _GL_ARG_NONNULL ((1, 2))); 
+_GL_CXXALIAS_RPL (posix_spawnattr_getschedparam, int, 
+                  (const posix_spawnattr_t *_Restrict_ __attr, 
+                   struct sched_param *_Restrict_ __schedparam)); 
+# else 
+#  if !0 || POSIX_SPAWN_SETSCHEDPARAM == 0 
+_GL_FUNCDECL_SYS (posix_spawnattr_getschedparam, int, 
+                  (const posix_spawnattr_t *_Restrict_ __attr, 
+                   struct sched_param *_Restrict_ __schedparam) 
+                  __THROW _GL_ARG_NONNULL ((1, 2))); 
+#  endif 
+_GL_CXXALIAS_SYS (posix_spawnattr_getschedparam, int, 
+                  (const posix_spawnattr_t *_Restrict_ __attr, 
+                   struct sched_param *_Restrict_ __schedparam)); 
+# endif 
+_GL_CXXALIASWARN (posix_spawnattr_getschedparam); 
+#elif defined GNULIB_POSIXCHECK 
+# undef posix_spawnattr_getschedparam 
+# if HAVE_RAW_DECL_POSIX_SPAWNATTR_GETSCHEDPARAM 
+_GL_WARN_ON_USE (posix_spawnattr_getschedparam, 
+                 "posix_spawnattr_getschedparam is unportable - " 
+                 "use gnulib module posix_spawnattr_getschedparam for portability"); 
+# endif 
+#endif 
+ 
+#if 0 
+/* Store scheduling parameters in the attribute structure.  */ 
+# if 0 
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE) 
+#   define posix_spawnattr_setschedparam rpl_posix_spawnattr_setschedparam 
+#  endif 
+_GL_FUNCDECL_RPL (posix_spawnattr_setschedparam, int, 
+                  (posix_spawnattr_t *_Restrict_ __attr, 
+                   const struct sched_param *_Restrict_ __schedparam) 
+                  __THROW _GL_ARG_NONNULL ((1, 2))); 
+_GL_CXXALIAS_RPL (posix_spawnattr_setschedparam, int, 
+                  (posix_spawnattr_t *_Restrict_ __attr, 
+                   const struct sched_param *_Restrict_ __schedparam)); 
+# else 
+#  if !0 || POSIX_SPAWN_SETSCHEDPARAM == 0 
+_GL_FUNCDECL_SYS (posix_spawnattr_setschedparam, int, 
+                  (posix_spawnattr_t *_Restrict_ __attr, 
+                   const struct sched_param *_Restrict_ __schedparam) 
+                  __THROW _GL_ARG_NONNULL ((1, 2))); 
+#  endif 
+_GL_CXXALIAS_SYS (posix_spawnattr_setschedparam, int, 
+                  (posix_spawnattr_t *_Restrict_ __attr, 
+                   const struct sched_param *_Restrict_ __schedparam)); 
+# endif 
+_GL_CXXALIASWARN (posix_spawnattr_setschedparam); 
+#elif defined GNULIB_POSIXCHECK 
+# undef posix_spawnattr_setschedparam 
+# if HAVE_RAW_DECL_POSIX_SPAWNATTR_SETSCHEDPARAM 
+_GL_WARN_ON_USE (posix_spawnattr_setschedparam, 
+                 "posix_spawnattr_setschedparam is unportable - " 
+                 "use gnulib module posix_spawnattr_setschedparam for portability"); 
+# endif 
+#endif 
+ 
+ 
+#if 1 
+/* Initialize data structure for file attribute for 'spawn' call.  */ 
+# if 0 
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE) 
+#   define posix_spawn_file_actions_init rpl_posix_spawn_file_actions_init 
+#  endif 
+_GL_FUNCDECL_RPL (posix_spawn_file_actions_init, int, 
+                  (posix_spawn_file_actions_t *__file_actions) 
+                  __THROW _GL_ARG_NONNULL ((1))); 
+_GL_CXXALIAS_RPL (posix_spawn_file_actions_init, int, 
+                  (posix_spawn_file_actions_t *__file_actions)); 
+# else 
+#  if !0 
+_GL_FUNCDECL_SYS (posix_spawn_file_actions_init, int, 
+                  (posix_spawn_file_actions_t *__file_actions) 
+                  __THROW _GL_ARG_NONNULL ((1))); 
+#  endif 
+_GL_CXXALIAS_SYS (posix_spawn_file_actions_init, int, 
+                  (posix_spawn_file_actions_t *__file_actions)); 
+# endif 
+_GL_CXXALIASWARN (posix_spawn_file_actions_init); 
+#elif defined GNULIB_POSIXCHECK 
+# undef posix_spawn_file_actions_init 
+# if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_INIT 
+_GL_WARN_ON_USE (posix_spawn_file_actions_init, 
+                 "posix_spawn_file_actions_init is unportable - " 
+                 "use gnulib module posix_spawn_file_actions_init for portability"); 
+# endif 
+#endif 
+ 
+#if 1 
+/* Free resources associated with FILE-ACTIONS.  */ 
+# if 0 
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE) 
+#   define posix_spawn_file_actions_destroy rpl_posix_spawn_file_actions_destroy 
+#  endif 
+_GL_FUNCDECL_RPL (posix_spawn_file_actions_destroy, int, 
+                  (posix_spawn_file_actions_t *__file_actions) 
+                  __THROW _GL_ARG_NONNULL ((1))); 
+_GL_CXXALIAS_RPL (posix_spawn_file_actions_destroy, int, 
+                  (posix_spawn_file_actions_t *__file_actions)); 
+# else 
+#  if !0 
+_GL_FUNCDECL_SYS (posix_spawn_file_actions_destroy, int, 
+                  (posix_spawn_file_actions_t *__file_actions) 
+                  __THROW _GL_ARG_NONNULL ((1))); 
+#  endif 
+_GL_CXXALIAS_SYS (posix_spawn_file_actions_destroy, int, 
+                  (posix_spawn_file_actions_t *__file_actions)); 
+# endif 
+_GL_CXXALIASWARN (posix_spawn_file_actions_destroy); 
+#elif defined GNULIB_POSIXCHECK 
+# undef posix_spawn_file_actions_destroy 
+# if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_DESTROY 
+_GL_WARN_ON_USE (posix_spawn_file_actions_destroy, 
+                 "posix_spawn_file_actions_destroy is unportable - " 
+                 "use gnulib module posix_spawn_file_actions_destroy for portability"); 
+# endif 
+#endif 
+ 
+#if 1 
+/* Add an action to FILE-ACTIONS which tells the implementation to call 
+   'open' for the given file during the 'spawn' call.  */ 
+# if 1 
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE) 
+#   define posix_spawn_file_actions_addopen rpl_posix_spawn_file_actions_addopen 
+#  endif 
+_GL_FUNCDECL_RPL (posix_spawn_file_actions_addopen, int, 
+                  (posix_spawn_file_actions_t *_Restrict_ __file_actions, 
+                   int __fd, 
+                   const char *_Restrict_ __path, int __oflag, mode_t __mode) 
+                  __THROW _GL_ARG_NONNULL ((1, 3))); 
+_GL_CXXALIAS_RPL (posix_spawn_file_actions_addopen, int, 
+                  (posix_spawn_file_actions_t *_Restrict_ __file_actions, 
+                   int __fd, 
+                   const char *_Restrict_ __path, int __oflag, mode_t __mode)); 
+# else 
+#  if !0 
+_GL_FUNCDECL_SYS (posix_spawn_file_actions_addopen, int, 
+                  (posix_spawn_file_actions_t *_Restrict_ __file_actions, 
+                   int __fd, 
+                   const char *_Restrict_ __path, int __oflag, mode_t __mode) 
+                  __THROW _GL_ARG_NONNULL ((1, 3))); 
+#  endif 
+_GL_CXXALIAS_SYS (posix_spawn_file_actions_addopen, int, 
+                  (posix_spawn_file_actions_t *_Restrict_ __file_actions, 
+                   int __fd, 
+                   const char *_Restrict_ __path, int __oflag, mode_t __mode)); 
+# endif 
+_GL_CXXALIASWARN (posix_spawn_file_actions_addopen); 
+#elif defined GNULIB_POSIXCHECK 
+# undef posix_spawn_file_actions_addopen 
+# if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_ADDOPEN 
+_GL_WARN_ON_USE (posix_spawn_file_actions_addopen, 
+                 "posix_spawn_file_actions_addopen is unportable - " 
+                 "use gnulib module posix_spawn_file_actions_addopen for portability"); 
+# endif 
+#endif 
+ 
+#if 1 
+/* Add an action to FILE-ACTIONS which tells the implementation to call 
+   'close' for the given file descriptor during the 'spawn' call.  */ 
+# if 1 
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE) 
+#   define posix_spawn_file_actions_addclose rpl_posix_spawn_file_actions_addclose 
+#  endif 
+_GL_FUNCDECL_RPL (posix_spawn_file_actions_addclose, int, 
+                  (posix_spawn_file_actions_t *__file_actions, int __fd) 
+                  __THROW _GL_ARG_NONNULL ((1))); 
+_GL_CXXALIAS_RPL (posix_spawn_file_actions_addclose, int, 
+                  (posix_spawn_file_actions_t *__file_actions, int __fd)); 
+# else 
+#  if !0 
+_GL_FUNCDECL_SYS (posix_spawn_file_actions_addclose, int, 
+                  (posix_spawn_file_actions_t *__file_actions, int __fd) 
+                  __THROW _GL_ARG_NONNULL ((1))); 
+#  endif 
+_GL_CXXALIAS_SYS (posix_spawn_file_actions_addclose, int, 
+                  (posix_spawn_file_actions_t *__file_actions, int __fd)); 
+# endif 
+_GL_CXXALIASWARN (posix_spawn_file_actions_addclose); 
+#elif defined GNULIB_POSIXCHECK 
+# undef posix_spawn_file_actions_addclose 
+# if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_ADDCLOSE 
+_GL_WARN_ON_USE (posix_spawn_file_actions_addclose, 
+                 "posix_spawn_file_actions_addclose is unportable - " 
+                 "use gnulib module posix_spawn_file_actions_addclose for portability"); 
+# endif 
+#endif 
+ 
+#if 1 
+/* Add an action to FILE-ACTIONS which tells the implementation to call 
+   'dup2' for the given file descriptors during the 'spawn' call.  */ 
+# if 1 
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE) 
+#   define posix_spawn_file_actions_adddup2 rpl_posix_spawn_file_actions_adddup2 
+#  endif 
+_GL_FUNCDECL_RPL (posix_spawn_file_actions_adddup2, int, 
+                  (posix_spawn_file_actions_t *__file_actions, 
+                   int __fd, int __newfd) 
+                  __THROW _GL_ARG_NONNULL ((1))); 
+_GL_CXXALIAS_RPL (posix_spawn_file_actions_adddup2, int, 
+                  (posix_spawn_file_actions_t *__file_actions, 
+                   int __fd, int __newfd)); 
+# else 
+#  if !0 
+_GL_FUNCDECL_SYS (posix_spawn_file_actions_adddup2, int, 
+                  (posix_spawn_file_actions_t *__file_actions, 
+                   int __fd, int __newfd) 
+                  __THROW _GL_ARG_NONNULL ((1))); 
+#  endif 
+_GL_CXXALIAS_SYS (posix_spawn_file_actions_adddup2, int, 
+                  (posix_spawn_file_actions_t *__file_actions, 
+                   int __fd, int __newfd)); 
+# endif 
+_GL_CXXALIASWARN (posix_spawn_file_actions_adddup2); 
+#elif defined GNULIB_POSIXCHECK 
+# undef posix_spawn_file_actions_adddup2 
+# if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_ADDDUP2 
+_GL_WARN_ON_USE (posix_spawn_file_actions_adddup2, 
+                 "posix_spawn_file_actions_adddup2 is unportable - " 
+                 "use gnulib module posix_spawn_file_actions_adddup2 for portability"); 
+# endif 
+#endif 
+ 
+ 
+#endif /* _GL_M4_SPAWN_H */ 
+#endif /* _GL_M4_SPAWN_H */