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# Check for (mingw)win32 POSIX replacements. -*- Autoconf -*-
# Copyright 2003 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio 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 2, or (at your option)
# any later version.
#
# GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
AC_DEFUN([GR_PWIN32],
[
AC_REQUIRE([AC_HEADER_TIME])
AC_SEARCH_LIBS([nanosleep], [pthread], [], [AC_MSG_ERROR([unable to find nanosleep])])
AC_CHECK_HEADERS([pthread.h])
AC_CHECK_HEADERS([sys/types.h])
AC_CHECK_HEADERS([windows.h])
AC_CHECK_HEADERS([winioctl.h winbase.h], [], [], [
#if HAVE_WINDOWS_H
#include <windows.h>
#endif
])
AC_CHECK_FUNCS([getopt getopt_long usleep sleep nanosleep gettimeofday])
AC_CHECK_TYPES([struct timezone, ssize_t],[],[],[
#if HAVE_PTHREAD_H
#include <pthread.h>
#endif
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
])
dnl Checks for replacements
AC_REPLACE_FUNCS([getopt getopt_long usleep gettimeofday])
AC_MSG_CHECKING(for Sleep)
AC_LINK_IFELSE([AC_LANG_PROGRAM([
#include <windows.h>
#include <winbase.h>
], [ Sleep(0); ])],
[AC_DEFINE(HAVE_SSLEEP,1,[Define to 1 if you have Windows Sleep])
AC_MSG_RESULT(yes)],
AC_MSG_RESULT(no)
)
AH_BOTTOM(
[
/* Define missing prototypes, implemented in replacement lib */
#ifdef __cplusplus
extern "C" {
#endif
#ifndef HAVE_GETOPT
int getopt (int argc, char * const argv[], const char * optstring);
extern char * optarg;
extern int optind, opterr, optopt;
#endif
#ifndef HAVE_GETOPT_LONG
struct option;
int getopt_long (int argc, char * const argv[], const char * optstring,
const struct option * longopts, int * longindex);
#endif
#ifndef HAVE_USLEEP
int usleep(unsigned long usec); /* SUSv2 */
#endif
#ifndef HAVE_GETTIMEOFDAY
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#ifndef HAVE_STRUCT_TIMEZONE
struct timezone {
int tz_minuteswest;
int tz_dsttime;
};
#endif
int gettimeofday(struct timeval *tv, struct timezone *tz);
#endif
#ifndef timersub
# define timersub(a, b, result) \
do { \
(result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \
(result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \
if ((result)->tv_usec < 0) { \
--(result)->tv_sec; \
(result)->tv_usec += 1000000; \
} \
} while (0)
#endif
#ifndef HAVE_SSIZE_T
typedef size_t ssize_t;
#endif
#ifdef __cplusplus
}
#endif
])
])
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