From e8bd88d1fcded01ccd066572eeaae1b507989cb3 Mon Sep 17 00:00:00 2001
From: RincewindsHat <12514511+RincewindsHat@users.noreply.github.com>
Date: Tue, 31 Jan 2023 14:46:01 +0100
Subject: Sync with the latest Gnulib code 668c0b8ffa

---
 gl/getopt-pfx-core.h | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 gl/getopt-pfx-core.h

(limited to 'gl/getopt-pfx-core.h')

diff --git a/gl/getopt-pfx-core.h b/gl/getopt-pfx-core.h
new file mode 100644
index 00000000..3a2fde5a
--- /dev/null
+++ b/gl/getopt-pfx-core.h
@@ -0,0 +1,66 @@
+/* getopt (basic, portable features) gnulib wrapper header.
+   Copyright (C) 1989-2023 Free Software Foundation, Inc.
+   This file is part of gnulib.
+   Unlike most of the getopt implementation, it is NOT shared
+   with the GNU C Library.
+
+   This file is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 of the
+   License, or (at your option) any later version.
+
+   This file is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+#ifndef _GETOPT_PFX_CORE_H
+#define _GETOPT_PFX_CORE_H 1
+
+/* This header should not be used directly; include getopt.h or
+   unistd.h instead.  It does not have a protective #error, because
+   the guard macro for getopt.h in gnulib is not fixed.  */
+
+/* Standalone applications should #define __GETOPT_PREFIX to an
+   identifier that prefixes the external functions and variables
+   defined in getopt-core.h and getopt-ext.h.  Systematically
+   rename identifiers so that they do not collide with the system
+   functions and variables.  Renaming avoids problems with some
+   compilers and linkers.  */
+#ifdef __GETOPT_PREFIX
+# ifndef __GETOPT_ID
+#  define __GETOPT_CONCAT(x, y) x ## y
+#  define __GETOPT_XCONCAT(x, y) __GETOPT_CONCAT (x, y)
+#  define __GETOPT_ID(y) __GETOPT_XCONCAT (__GETOPT_PREFIX, y)
+# endif
+# undef getopt
+# undef optarg
+# undef opterr
+# undef optind
+# undef optopt
+# define getopt __GETOPT_ID (getopt)
+# define optarg __GETOPT_ID (optarg)
+# define opterr __GETOPT_ID (opterr)
+# define optind __GETOPT_ID (optind)
+# define optopt __GETOPT_ID (optopt)
+
+/* Work around a a problem on macOS, which declares getopt with a
+   trailing __DARWIN_ALIAS(getopt) that would expand to something like
+   __asm("_" "rpl_getopt" "$UNIX2003") were it not for the following
+   hack to suppress the macOS declaration <https://bugs.gnu.org/40205>.  */
+# ifdef __APPLE__
+#  define _GETOPT
+# endif
+
+/* The system's getopt.h may have already included getopt-core.h to
+   declare the unprefixed identifiers.  Undef _GETOPT_CORE_H so that
+   getopt-core.h declares them with prefixes.  */
+# undef _GETOPT_CORE_H
+#endif
+
+#include <getopt-core.h>
+
+#endif /* _GETOPT_PFX_CORE_H */
-- 
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