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# Check for (mingw)win32 POSIX replacements. -*- Autoconf -*-
# Copyright 2003,2004,2005,2011 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 3, 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., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
AC_DEFUN([GR_PWIN32],
[
AC_REQUIRE([AC_HEADER_TIME])
AC_CHECK_HEADERS([sys/types.h fcntl.h io.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 usleep gettimeofday nanosleep rand srand random srandom sleep sigaction])
AC_CHECK_TYPES([struct timezone, struct timespec, ssize_t],[],[],[
#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 usleep gettimeofday])
AC_MSG_CHECKING(for Sleep)
AC_TRY_LINK([ #include <windows.h>
#include <winbase.h>
], [ Sleep(0); ],
[AC_DEFINE(HAVE_SSLEEP,1,[Define to 1 if you have win32 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_USLEEP
int usleep(unsigned long usec); /* SUSv2 */
#endif
#ifndef HAVE_NANOSLEEP
#ifndef HAVE_STRUCT_TIMESPEC
#if HAVE_SYS_TYPES_H
# include <sys/types.h> /* need time_t */
#endif
struct timespec {
time_t tv_sec;
long tv_nsec;
};
#endif
static inline int nanosleep(const struct timespec *req, struct timespec *rem) { return usleep(req->tv_sec*1000000+req->tv_nsec/1000); }
#endif
#if defined(HAVE_SSLEEP) && !defined(HAVE_SLEEP)
#ifdef HAVE_WINBASE_H
#include <windows.h>
#include <winbase.h>
#endif
/* TODO: what about SleepEx? */
static inline unsigned int sleep (unsigned int nb_sec) { Sleep(nb_sec*1000); return 0; }
#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
#if !defined(HAVE_RANDOM) && defined(HAVE_RAND)
#include <stdlib.h>
static inline long int random (void) { return rand(); }
#endif
#if !defined(HAVE_SRANDOM) && defined(HAVE_SRAND)
static inline void srandom (unsigned int seed) { srand(seed); }
#endif
#ifndef HAVE_SSIZE_T
typedef size_t ssize_t;
#endif
#ifdef __cplusplus
}
#endif
])
])
|
