--- /dev/null
+/* lt_system.h -- system portability abstraction layer
+
+ Copyright (C) 2004, 2007 Free Software Foundation, Inc.
+ Written by Gary V. Vaughan, 2004
+
+ NOTE: The canonical source of this file is maintained with the
+ GNU Libtool package. Report bugs to bug-libtool@gnu.org.
+
+GNU Libltdl 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 of the License, or (at your option) any later version.
+
+As a special exception to the GNU Lesser General Public License,
+if you distribute this file as part of a program or library that
+is built using GNU Libtool, you may include this file under the
+same distribution terms that you use for the rest of that program.
+
+GNU Libltdl 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 GNU Libltdl; see the file COPYING.LIB. If not, a
+copy can be downloaded from http://www.gnu.org/licenses/lgpl.html,
+or obtained by writing to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+*/
+
+#if !defined(LT_SYSTEM_H)
+#define LT_SYSTEM_H 1
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <sys/types.h>
+
+/* Some systems do not define EXIT_*, even with STDC_HEADERS. */
+#if !defined(EXIT_SUCCESS)
+# define EXIT_SUCCESS 0
+#endif
+#if !defined(EXIT_FAILURE)
+# define EXIT_FAILURE 1
+#endif
+
+/* Just pick a big number... */
+#define LT_FILENAME_MAX 2048
+
+
+/* Saves on those hard to debug '\0' typos.... */
+#define LT_EOS_CHAR '\0'
+
+/* LTDL_BEGIN_C_DECLS should be used at the beginning of your declarations,
+ so that C++ compilers don't mangle their names. Use LTDL_END_C_DECLS at
+ the end of C declarations. */
+#if defined(__cplusplus)
+# define LT_BEGIN_C_DECLS extern "C" {
+# define LT_END_C_DECLS }
+#else
+# define LT_BEGIN_C_DECLS /* empty */
+# define LT_END_C_DECLS /* empty */
+#endif
+
+/* LT_STMT_START/END are used to create macros which expand to a
+ a single compound statement in a portable way. */
+#if defined (__GNUC__) && !defined (__STRICT_ANSI__) && !defined (__cplusplus)
+# define LT_STMT_START (void)(
+# define LT_STMT_END )
+#else
+# if (defined (sun) || defined (__sun__))
+# define LT_STMT_START if (1)
+# define LT_STMT_END else (void)0
+# else
+# define LT_STMT_START do
+# define LT_STMT_END while (0)
+# endif
+#endif
+
+/* Canonicalise Windows and Cygwin recognition macros.
+ To match the values set by recent Cygwin compilers, make sure that if
+ __CYGWIN__ is defined (after canonicalisation), __WINDOWS__ is NOT! */
+#if defined(__CYGWIN32__) && !defined(__CYGWIN__)
+# define __CYGWIN__ __CYGWIN32__
+#endif
+#if defined(__CYGWIN__)
+# if defined(__WINDOWS__)
+# undef __WINDOWS__
+# endif
+#elif defined(_WIN32)
+# define __WINDOWS__ _WIN32
+#elif defined(WIN32)
+# define __WINDOWS__ WIN32
+#endif
+#if defined(__CYGWIN__) && defined(__WINDOWS__)
+# undef __WINDOWS__
+#endif
+
+
+/* DLL building support on win32 hosts; mostly to workaround their
+ ridiculous implementation of data symbol exporting. */
+#if !defined(LT_SCOPE)
+# if defined(__WINDOWS__) || defined(__CYGWIN__)
+# if defined(DLL_EXPORT) /* defined by libtool (if required) */
+# define LT_SCOPE extern __declspec(dllexport)
+# endif
+# if defined(LIBLTDL_DLL_IMPORT) /* define if linking with this dll */
+ /* note: cygwin/mingw compilers can rely instead on auto-import */
+# define LT_SCOPE extern __declspec(dllimport)
+# endif
+# endif
+# if !defined(LT_SCOPE) /* static linking or !__WINDOWS__ */
+# define LT_SCOPE extern
+# endif
+#endif
+
+#if defined(__WINDOWS__)
+/* LT_DIRSEP_CHAR is accepted *in addition* to '/' as a directory
+ separator when it is set. */
+# define LT_DIRSEP_CHAR '\\'
+# define LT_PATHSEP_CHAR ';'
+#else
+# define LT_PATHSEP_CHAR ':'
+#endif
+
+#if defined(_MSC_VER) /* Visual Studio */
+# define R_OK 4
+#endif
+
+/* fopen() mode flags for reading a text file */
+#undef LT_READTEXT_MODE
+#if defined(__WINDOWS__) || defined(__CYGWIN__)
+# define LT_READTEXT_MODE "rt"
+#else
+# define LT_READTEXT_MODE "r"
+#endif
+
+/* The extra indirection to the LT__STR and LT__CONC macros is required so
+ that if the arguments to LT_STR() (or LT_CONC()) are themselves macros,
+ they will be expanded before being quoted. */
+#ifndef LT_STR
+# define LT__STR(arg) #arg
+# define LT_STR(arg) LT__STR(arg)
+#endif
+
+#ifndef LT_CONC
+# define LT__CONC(a, b) a##b
+# define LT_CONC(a, b) LT__CONC(a, b)
+#endif
+#ifndef LT_CONC3
+# define LT__CONC3(a, b, c) a##b##c
+# define LT_CONC3(a, b, c) LT__CONC3(a, b, c)
+#endif
+
+#endif /*!defined(LT_SYSTEM_H)*/