fix compile tensorrt on Windows (#62)

* fix compile tensorrt on Windows

* Update CMakeLists.txt

csrcs/fastdeploy/backends/tensorrt/common/sampleEngines.cpp

@@ -25,7 +25,7 @@
 #include <unordered_map>
 #include <vector>
 
-#include "NvCaffeParser.h"
+//#include "NvCaffeParser.h"
 #include "NvInfer.h"
 #include "NvOnnxParser.h"
 
@@ -47,9 +47,9 @@ namespace sample {
 
 namespace {
 
-struct CaffeBufferShutter {
-  ~CaffeBufferShutter() { nvcaffeparser1::shutdownProtobufLibrary(); }
-};
+//struct CaffeBufferShutter {
+//  ~CaffeBufferShutter() { nvcaffeparser1::shutdownProtobufLibrary(); }
+//};
 
 std::map<std::string, float>
 readScalesFromCalibrationCache(const std::string& calibrationFile) {
@@ -121,6 +121,7 @@ Parser modelToNetwork(const ModelOptions& model,
   Parser parser;
   const std::string& modelName = model.baseModel.model;
   switch (model.baseModel.format) {
+/*
   case ModelFormat::kCAFFE: {
     using namespace nvcaffeparser1;
     parser.caffeParser.reset(createCaffeParser());
@@ -145,6 +146,7 @@ Parser modelToNetwork(const ModelOptions& model,
     }
     break;
   }
+*/
   case ModelFormat::kONNX: {
     using namespace nvonnxparser;
     parser.onnxParser.reset(

csrcs/fastdeploy/backends/tensorrt/common/sampleEngines.h

@@ -20,7 +20,7 @@
 #include <iostream>
 #include <vector>
 
-#include "NvCaffeParser.h"
+//#include "NvCaffeParser.h"
 #include "NvInfer.h"
 #include "NvInferConsistency.h"
 #include "NvInferSafeRuntime.h"
@@ -31,10 +31,10 @@
 namespace sample {
 
 struct Parser {
-  TrtUniquePtr<nvcaffeparser1::ICaffeParser> caffeParser;
+//  TrtUniquePtr<nvcaffeparser1::ICaffeParser> caffeParser;
   TrtUniquePtr<nvonnxparser::IParser> onnxParser;
 
-  operator bool() const { return caffeParser || onnxParser; }
+  operator bool() const { return false || onnxParser; }
 };
 
 struct BuildEnvironment {

csrcs/fastdeploy/backends/tensorrt/common/windows/getopt.c

@@ -0,0 +1,568 @@
+/*	$OpenBSD: getopt_long.c,v 1.23 2007/10/31 12:34:57 chl Exp $	*/
+/*	$NetBSD: getopt_long.c,v 1.15 2002/01/31 22:43:40 tv Exp $	*/
+
+/*
+ * Copyright (c) 2002 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Sponsored in part by the Defense Advanced Research Projects
+ * Agency (DARPA) and Air Force Research Laboratory, Air Force
+ * Materiel Command, USAF, under agreement number F39502-99-1-0512.
+ */
+/*-
+ * Copyright (c) 2000 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Dieter Baron and Thomas Klausner.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <errno.h>
+#include <getopt.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <windows.h>
+
+#define REPLACE_GETOPT /* use this getopt as the system getopt(3) */
+
+#ifdef REPLACE_GETOPT
+int opterr = 1;   /* if error message should be printed */
+int optind = 1;   /* index into parent argv vector */
+int optopt = '?'; /* character checked for validity */
+#undef optreset   /* see getopt.h */
+#define optreset __mingw_optreset
+int optreset; /* reset getopt */
+char* optarg; /* argument associated with option */
+#endif
+
+#define PRINT_ERROR ((opterr) && (*options != ':'))
+
+#define FLAG_PERMUTE 0x01  /* permute non-options to the end of argv */
+#define FLAG_ALLARGS 0x02  /* treat non-options as args to option "-1" */
+#define FLAG_LONGONLY 0x04 /* operate as getopt_long_only */
+
+/* return values */
+#define BADCH (int) '?'
+#define BADARG ((*options == ':') ? (int) ':' : (int) '?')
+#define INORDER (int) 1
+
+#ifndef __CYGWIN__
+#define __progname __argv[0]
+#else
+extern char __declspec(dllimport) * __progname;
+#endif
+
+#ifdef __CYGWIN__
+static char EMSG[] = "";
+#else
+#define EMSG ""
+#endif
+
+static int getopt_internal(int, char* const*, const char*, const struct option*, int*, int);
+static int parse_long_options(char* const*, const char*, const struct option*, int*, int);
+static int gcd(int, int);
+static void permute_args(int, int, int, char* const*);
+
+static char* place = EMSG; /* option letter processing */
+
+/* XXX: set optreset to 1 rather than these two */
+static int nonopt_start = -1; /* first non option argument (for permute) */
+static int nonopt_end = -1;   /* first option after non options (for permute) */
+
+/* Error messages */
+static const char recargchar[] = "option requires an argument -- %c";
+static const char recargstring[] = "option requires an argument -- %s";
+static const char ambig[] = "ambiguous option -- %.*s";
+static const char noarg[] = "option doesn't take an argument -- %.*s";
+static const char illoptchar[] = "unknown option -- %c";
+static const char illoptstring[] = "unknown option -- %s";
+
+static void _vwarnx(const char* fmt, va_list ap)
+{
+    (void) fprintf(stderr, "%s: ", __progname);
+    if (fmt != NULL)
+        (void) vfprintf(stderr, fmt, ap);
+    (void) fprintf(stderr, "\n");
+}
+
+static void warnx(const char* fmt, ...)
+{
+    va_list ap;
+    va_start(ap, fmt);
+    _vwarnx(fmt, ap);
+    va_end(ap);
+}
+
+/*
+ * Compute the greatest common divisor of a and b.
+ */
+static int gcd(int a, int b)
+{
+    int c;
+
+    c = a % b;
+    while (c != 0)
+    {
+        a = b;
+        b = c;
+        c = a % b;
+    }
+
+    return (b);
+}
+
+/*
+ * Exchange the block from nonopt_start to nonopt_end with the block
+ * from nonopt_end to opt_end (keeping the same order of arguments
+ * in each block).
+ */
+static void permute_args(int panonopt_start, int panonopt_end, int opt_end, char* const* nargv)
+{
+    int cstart, cyclelen, i, j, ncycle, nnonopts, nopts, pos;
+    char* swap;
+
+    /*
+     * compute lengths of blocks and number and size of cycles
+     */
+    nnonopts = panonopt_end - panonopt_start;
+    nopts = opt_end - panonopt_end;
+    ncycle = gcd(nnonopts, nopts);
+    cyclelen = (opt_end - panonopt_start) / ncycle;
+
+    for (i = 0; i < ncycle; i++)
+    {
+        cstart = panonopt_end + i;
+        pos = cstart;
+        for (j = 0; j < cyclelen; j++)
+        {
+            if (pos >= panonopt_end)
+                pos -= nnonopts;
+            else
+                pos += nopts;
+            swap = nargv[pos];
+            /* LINTED const cast */
+            ((char**) nargv)[pos] = nargv[cstart];
+            /* LINTED const cast */
+            ((char**) nargv)[cstart] = swap;
+        }
+    }
+}
+
+/*
+ * parse_long_options --
+ *	Parse long options in argc/argv argument vector.
+ * Returns -1 if short_too is set and the option does not match long_options.
+ */
+static int parse_long_options(
+    char* const* nargv, const char* options, const struct option* long_options, int* idx, int short_too)
+{
+    char *current_argv, *has_equal;
+    size_t current_argv_len;
+    int i, ambiguous, match;
+
+#define IDENTICAL_INTERPRETATION(_x, _y)                                                                               \
+    (long_options[(_x)].has_arg == long_options[(_y)].has_arg && long_options[(_x)].flag == long_options[(_y)].flag    \
+        && long_options[(_x)].val == long_options[(_y)].val)
+
+    current_argv = place;
+    match = -1;
+    ambiguous = 0;
+
+    optind++;
+
+    if ((has_equal = strchr(current_argv, '=')) != NULL)
+    {
+        /* argument found (--option=arg) */
+        current_argv_len = has_equal - current_argv;
+        has_equal++;
+    }
+    else
+        current_argv_len = strlen(current_argv);
+
+    for (i = 0; long_options[i].name; i++)
+    {
+        /* find matching long option */
+        if (strncmp(current_argv, long_options[i].name, current_argv_len))
+            continue;
+
+        if (strlen(long_options[i].name) == current_argv_len)
+        {
+            /* exact match */
+            match = i;
+            ambiguous = 0;
+            break;
+        }
+        /*
+         * If this is a known short option, don't allow
+         * a partial match of a single character.
+         */
+        if (short_too && current_argv_len == 1)
+            continue;
+
+        if (match == -1) /* partial match */
+            match = i;
+        else if (!IDENTICAL_INTERPRETATION(i, match))
+            ambiguous = 1;
+    }
+    if (ambiguous)
+    {
+        /* ambiguous abbreviation */
+        if (PRINT_ERROR)
+            warnx(ambig, (int) current_argv_len, current_argv);
+        optopt = 0;
+        return (BADCH);
+    }
+    if (match != -1)
+    { /* option found */
+        if (long_options[match].has_arg == no_argument && has_equal)
+        {
+            if (PRINT_ERROR)
+                warnx(noarg, (int) current_argv_len, current_argv);
+            /*
+             * XXX: GNU sets optopt to val regardless of flag
+             */
+            if (long_options[match].flag == NULL)
+                optopt = long_options[match].val;
+            else
+                optopt = 0;
+            return (BADARG);
+        }
+        if (long_options[match].has_arg == required_argument || long_options[match].has_arg == optional_argument)
+        {
+            if (has_equal)
+                optarg = has_equal;
+            else if (long_options[match].has_arg == required_argument)
+            {
+                /*
+                 * optional argument doesn't use next nargv
+                 */
+                optarg = nargv[optind++];
+            }
+        }
+        if ((long_options[match].has_arg == required_argument) && (optarg == NULL))
+        {
+            /*
+             * Missing argument; leading ':' indicates no error
+             * should be generated.
+             */
+            if (PRINT_ERROR)
+                warnx(recargstring, current_argv);
+            /*
+             * XXX: GNU sets optopt to val regardless of flag
+             */
+            if (long_options[match].flag == NULL)
+                optopt = long_options[match].val;
+            else
+                optopt = 0;
+            --optind;
+            return (BADARG);
+        }
+    }
+    else
+    { /* unknown option */
+        if (short_too)
+        {
+            --optind;
+            return (-1);
+        }
+        if (PRINT_ERROR)
+            warnx(illoptstring, current_argv);
+        optopt = 0;
+        return (BADCH);
+    }
+    if (idx)
+        *idx = match;
+    if (long_options[match].flag)
+    {
+        *long_options[match].flag = long_options[match].val;
+        return (0);
+    }
+    else
+        return (long_options[match].val);
+#undef IDENTICAL_INTERPRETATION
+}
+
+/*
+ * getopt_internal --
+ *	Parse argc/argv argument vector.  Called by user level routines.
+ */
+static int getopt_internal(
+    int nargc, char* const* nargv, const char* options, const struct option* long_options, int* idx, int flags)
+{
+    const char* oli; /* option letter list index */
+    int optchar, short_too;
+    static int posixly_correct = -1;
+
+    if (options == NULL)
+        return (-1);
+
+    /*
+     * XXX Some GNU programs (like cvs) set optind to 0 instead of
+     * XXX using optreset.  Work around this braindamage.
+     */
+    if (optind == 0)
+        optind = optreset = 1;
+
+    /*
+     * Disable GNU extensions if POSIXLY_CORRECT is set or options
+     * string begins with a '+'.
+     *
+     * CV, 2009-12-14: Check POSIXLY_CORRECT anew if optind == 0 or
+     *                 optreset != 0 for GNU compatibility.
+     */
+    if (posixly_correct == -1 || optreset != 0)
+        posixly_correct = (getenv("POSIXLY_CORRECT") != NULL);
+    if (*options == '-')
+        flags |= FLAG_ALLARGS;
+    else if (posixly_correct || *options == '+')
+        flags &= ~FLAG_PERMUTE;
+    if (*options == '+' || *options == '-')
+        options++;
+
+    optarg = NULL;
+    if (optreset)
+        nonopt_start = nonopt_end = -1;
+start:
+    if (optreset || !*place)
+    { /* update scanning pointer */
+        optreset = 0;
+        if (optind >= nargc)
+        { /* end of argument vector */
+            place = EMSG;
+            if (nonopt_end != -1)
+            {
+                /* do permutation, if we have to */
+                permute_args(nonopt_start, nonopt_end, optind, nargv);
+                optind -= nonopt_end - nonopt_start;
+            }
+            else if (nonopt_start != -1)
+            {
+                /*
+                 * If we skipped non-options, set optind
+                 * to the first of them.
+                 */
+                optind = nonopt_start;
+            }
+            nonopt_start = nonopt_end = -1;
+            return (-1);
+        }
+        if (*(place = nargv[optind]) != '-' || (place[1] == '\0' && strchr(options, '-') == NULL))
+        {
+            place = EMSG; /* found non-option */
+            if (flags & FLAG_ALLARGS)
+            {
+                /*
+                 * GNU extension:
+                 * return non-option as argument to option 1
+                 */
+                optarg = nargv[optind++];
+                return (INORDER);
+            }
+            if (!(flags & FLAG_PERMUTE))
+            {
+                /*
+                 * If no permutation wanted, stop parsing
+                 * at first non-option.
+                 */
+                return (-1);
+            }
+            /* do permutation */
+            if (nonopt_start == -1)
+                nonopt_start = optind;
+            else if (nonopt_end != -1)
+            {
+                permute_args(nonopt_start, nonopt_end, optind, nargv);
+                nonopt_start = optind - (nonopt_end - nonopt_start);
+                nonopt_end = -1;
+            }
+            optind++;
+            /* process next argument */
+            goto start;
+        }
+        if (nonopt_start != -1 && nonopt_end == -1)
+            nonopt_end = optind;
+
+        /*
+         * If we have "-" do nothing, if "--" we are done.
+         */
+        if (place[1] != '\0' && *++place == '-' && place[1] == '\0')
+        {
+            optind++;
+            place = EMSG;
+            /*
+             * We found an option (--), so if we skipped
+             * non-options, we have to permute.
+             */
+            if (nonopt_end != -1)
+            {
+                permute_args(nonopt_start, nonopt_end, optind, nargv);
+                optind -= nonopt_end - nonopt_start;
+            }
+            nonopt_start = nonopt_end = -1;
+            return (-1);
+        }
+    }
+
+    /*
+     * Check long options if:
+     *  1) we were passed some
+     *  2) the arg is not just "-"
+     *  3) either the arg starts with -- we are getopt_long_only()
+     */
+    if (long_options != NULL && place != nargv[optind] && (*place == '-' || (flags & FLAG_LONGONLY)))
+    {
+        short_too = 0;
+        if (*place == '-')
+            place++; /* --foo long option */
+        else if (*place != ':' && strchr(options, *place) != NULL)
+            short_too = 1; /* could be short option too */
+
+        optchar = parse_long_options(nargv, options, long_options, idx, short_too);
+        if (optchar != -1)
+        {
+            place = EMSG;
+            return (optchar);
+        }
+    }
+
+    if ((optchar = (int) *place++) == (int) ':' || (optchar == (int) '-' && *place != '\0')
+        || (oli = strchr(options, optchar)) == NULL)
+    {
+        /*
+         * If the user specified "-" and  '-' isn't listed in
+         * options, return -1 (non-option) as per POSIX.
+         * Otherwise, it is an unknown option character (or ':').
+         */
+        if (optchar == (int) '-' && *place == '\0')
+            return (-1);
+        if (!*place)
+            ++optind;
+        if (PRINT_ERROR)
+            warnx(illoptchar, optchar);
+        optopt = optchar;
+        return (BADCH);
+    }
+    if (long_options != NULL && optchar == 'W' && oli[1] == ';')
+    {
+        /* -W long-option */
+        if (*place) /* no space */
+            /* NOTHING */;
+        else if (++optind >= nargc)
+        { /* no arg */
+            place = EMSG;
+            if (PRINT_ERROR)
+                warnx(recargchar, optchar);
+            optopt = optchar;
+            return (BADARG);
+        }
+        else /* white space */
+            place = nargv[optind];
+        optchar = parse_long_options(nargv, options, long_options, idx, 0);
+        place = EMSG;
+        return (optchar);
+    }
+    if (*++oli != ':')
+    { /* doesn't take argument */
+        if (!*place)
+            ++optind;
+    }
+    else
+    { /* takes (optional) argument */
+        optarg = NULL;
+        if (*place) /* no white space */
+            optarg = place;
+        else if (oli[1] != ':')
+        { /* arg not optional */
+            if (++optind >= nargc)
+            { /* no arg */
+                place = EMSG;
+                if (PRINT_ERROR)
+                    warnx(recargchar, optchar);
+                optopt = optchar;
+                return (BADARG);
+            }
+            else
+                optarg = nargv[optind];
+        }
+        place = EMSG;
+        ++optind;
+    }
+    /* dump back option letter */
+    return (optchar);
+}
+
+#ifdef REPLACE_GETOPT
+/*
+ * getopt --
+ *	Parse argc/argv argument vector.
+ *
+ * [eventually this will replace the BSD getopt]
+ */
+int getopt(int nargc, char* const* nargv, const char* options)
+{
+
+    /*
+     * We don't pass FLAG_PERMUTE to getopt_internal() since
+     * the BSD getopt(3) (unlike GNU) has never done this.
+     *
+     * Furthermore, since many privileged programs call getopt()
+     * before dropping privileges it makes sense to keep things
+     * as simple (and bug-free) as possible.
+     */
+    return (getopt_internal(nargc, nargv, options, NULL, NULL, 0));
+}
+#endif /* REPLACE_GETOPT */
+
+/*
+ * getopt_long --
+ *	Parse argc/argv argument vector.
+ */
+int getopt_long(int nargc, char* const* nargv, const char* options, const struct option* long_options, int* idx)
+{
+
+    return (getopt_internal(nargc, nargv, options, long_options, idx, FLAG_PERMUTE));
+}
+
+/*
+ * getopt_long_only --
+ *	Parse argc/argv argument vector.
+ */
+int getopt_long_only(int nargc, char* const* nargv, const char* options, const struct option* long_options, int* idx)
+{
+
+    return (getopt_internal(nargc, nargv, options, long_options, idx, FLAG_PERMUTE | FLAG_LONGONLY));
+}

csrcs/fastdeploy/backends/tensorrt/common/windows/getopt.h

@@ -0,0 +1,124 @@
+/*
+ * SPDX-FileCopyrightText: Copyright (c) 1993-2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __GETOPT_H__
+/**
+ * DISCLAIMER
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is a part of the w64 mingw-runtime package.
+ *
+ * The w64 mingw-runtime package and its code is distributed in the hope that it
+ * will be useful but WITHOUT ANY WARRANTY.  ALL WARRANTIES, EXPRESSED OR
+ * IMPLIED ARE HEREBY DISCLAIMED.  This includes but is not limited to
+ * warranties of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#define __GETOPT_H__
+
+/* All the headers include this file. */
+#include <crtdefs.h>
+
+#if defined(WINGETOPT_SHARED_LIB)
+#if defined(BUILDING_WINGETOPT_DLL)
+#define WINGETOPT_API __declspec(dllexport)
+#else
+#define WINGETOPT_API __declspec(dllimport)
+#endif
+#else
+#define WINGETOPT_API
+#endif
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+    WINGETOPT_API extern int optind; /* index of first non-option in argv      */
+    WINGETOPT_API extern int optopt; /* single option character, as parsed     */
+    WINGETOPT_API extern int opterr; /* flag to enable built-in diagnostics... */
+    /* (user may set to zero, to suppress)    */
+
+    WINGETOPT_API extern char* optarg; /* pointer to argument of current option  */
+
+    extern int getopt(int nargc, char* const* nargv, const char* options);
+
+#ifdef _BSD_SOURCE
+/*
+ * BSD adds the non-standard `optreset' feature, for reinitialisation
+ * of `getopt' parsing.  We support this feature, for applications which
+ * proclaim their BSD heritage, before including this header; however,
+ * to maintain portability, developers are advised to avoid it.
+ */
+#define optreset __mingw_optreset
+    extern int optreset;
+#endif
+#ifdef __cplusplus
+}
+#endif
+/*
+ * POSIX requires the `getopt' API to be specified in `unistd.h';
+ * thus, `unistd.h' includes this header.  However, we do not want
+ * to expose the `getopt_long' or `getopt_long_only' APIs, when
+ * included in this manner.  Thus, close the standard __GETOPT_H__
+ * declarations block, and open an additional __GETOPT_LONG_H__
+ * specific block, only when *not* __UNISTD_H_SOURCED__, in which
+ * to declare the extended API.
+ */
+#endif /* !defined(__GETOPT_H__) */
+
+#if !defined(__UNISTD_H_SOURCED__) && !defined(__GETOPT_LONG_H__)
+#define __GETOPT_LONG_H__
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+    struct option /* specification for a long form option...	*/
+    {
+        const char* name; /* option name, without leading hyphens */
+        int has_arg;      /* does it take an argument?		*/
+        int* flag;        /* where to save its status, or NULL	*/
+        int val;          /* its associated status value		*/
+    };
+
+    enum /* permitted values for its `has_arg' field...	*/
+    {
+        no_argument = 0,   /* option never takes an argument	*/
+        required_argument, /* option always requires an argument	*/
+        optional_argument  /* option may take an argument		*/
+    };
+
+    extern int getopt_long(
+        int nargc, char* const* nargv, const char* options, const struct option* long_options, int* idx);
+    extern int getopt_long_only(
+        int nargc, char* const* nargv, const char* options, const struct option* long_options, int* idx);
+/*
+ * Previous MinGW implementation had...
+ */
+#ifndef HAVE_DECL_GETOPT
+/*
+ * ...for the long form API only; keep this for compatibility.
+ */
+#define HAVE_DECL_GETOPT 1
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* !defined(__UNISTD_H_SOURCED__) && !defined(__GETOPT_LONG_H__) */