# c-bs-a.m4 serial 4 (fileutils-4.1.3)
dnl Copyright (C) 2000-2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License.  As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.

dnl From Paul Eggert.

AC_DEFUN([AC_C_BACKSLASH_A],
[
  AC_CACHE_CHECK([whether backslash-a works in strings], ac_cv_c_backslash_a,
   [AC_TRY_COMPILE([],
     [
#if '\a' == 'a'
      syntax error;
#endif
      char buf['\a' == 'a' ? -1 : 1];
      buf[0] = '\a';
      return buf[0] != "\a"[0];
     ],
     ac_cv_c_backslash_a=yes,
     ac_cv_c_backslash_a=no)])
  if test $ac_cv_c_backslash_a = yes; then
    AC_DEFINE(HAVE_C_BACKSLASH_A, 1,
      [Define if backslash-a works in C strings.])
  fi
])
#serial 4

dnl From Jim Meyering.
dnl
dnl Check whether struct dirent has a member named d_ino.
dnl

AC_DEFUN([jm_CHECK_TYPE_STRUCT_DIRENT_D_INO],
  [AC_REQUIRE([AC_HEADER_DIRENT])dnl
   AC_CACHE_CHECK([for d_ino member in directory struct],
		  jm_cv_struct_dirent_d_ino,
     [AC_TRY_LINK(dnl
       [
#include <sys/types.h>
#ifdef HAVE_DIRENT_H
# include <dirent.h>
#else /* not HAVE_DIRENT_H */
# define dirent direct
# ifdef HAVE_SYS_NDIR_H
#  include <sys/ndir.h>
# endif /* HAVE_SYS_NDIR_H */
# ifdef HAVE_SYS_DIR_H
#  include <sys/dir.h>
# endif /* HAVE_SYS_DIR_H */
# ifdef HAVE_NDIR_H
#  include <ndir.h>
# endif /* HAVE_NDIR_H */
#endif /* HAVE_DIRENT_H */
       ],
       [struct dirent dp; dp.d_ino = 0;],

       jm_cv_struct_dirent_d_ino=yes,
       jm_cv_struct_dirent_d_ino=no)
     ]
   )
   if test $jm_cv_struct_dirent_d_ino = yes; then
     AC_DEFINE(D_INO_IN_DIRENT, 1,
  [Define if there is a member named d_ino in the struct describing
   directory headers.])
   fi
  ]
)
#serial 4

dnl FIXME: put these prerequisite-only *.m4 files in a separate
dnl directory -- otherwise, they'll conflict with existing files.

dnl These are the prerequisite macros for GNU's error.c file.
AC_DEFUN([jm_PREREQ_ERROR],
[
  AC_CHECK_FUNCS(strerror vprintf doprnt)
  AC_CHECK_DECLS([strerror])
  AC_FUNC_STRERROR_R
  AC_HEADER_STDC
])
#serial 7 -*- autoconf -*-

dnl From Jim Meyering.
dnl
dnl See if the glibc *_unlocked I/O macros are available.
dnl Use only those *_unlocked macros that are declared.
dnl

AC_DEFUN([jm_FUNC_GLIBC_UNLOCKED_IO],
  [AC_CHECK_DECLS(
     [clearerr_unlocked, feof_unlocked, ferror_unlocked,
      fflush_unlocked, fgets_unlocked, fputc_unlocked, fputs_unlocked,
      fread_unlocked, fwrite_unlocked, getc_unlocked,
      getchar_unlocked, putc_unlocked, putchar_unlocked])])
#serial 6

dnl From Jim Meyering.
dnl Determine whether malloc accepts 0 as its argument.
dnl If it doesn't, arrange to use the replacement function.
dnl

AC_DEFUN([jm_FUNC_MALLOC],
[
 dnl xmalloc.c requires that this symbol be defined so it doesn't
 dnl mistakenly use a broken malloc -- as it might if this test were omitted.
 AC_DEFINE(HAVE_DONE_WORKING_MALLOC_CHECK, 1,
           [Define if the malloc check has been performed. ])

 AC_CACHE_CHECK([whether malloc(0) returns a non-NULL pointer],
                jm_cv_func_working_malloc,
  [AC_TRY_RUN([
    char *malloc ();
    int
    main ()
    {
      exit (malloc (0) ? 0 : 1);
    }
	  ],
	 jm_cv_func_working_malloc=yes,
	 jm_cv_func_working_malloc=no,
	 dnl When crosscompiling, assume malloc(0) returns NULL.
	 jm_cv_func_working_malloc=no)
  ])
  if test $jm_cv_func_working_malloc = no; then
    AC_LIBOBJ(malloc)
    AC_DEFINE(malloc, rpl_malloc,
      [Define to rpl_malloc if the replacement function should be used.])
  fi
])
# mbstate_t.m4 serial 9 (fileutils-4.1.3)
dnl Copyright (C) 2000-2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License.  As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.

# From Paul Eggert.

# BeOS 5 has <wchar.h> but does not define mbstate_t,
# so you can't declare an object of that type.
# Check for this incompatibility with Standard C.

# Include stdlib.h first, because otherwise this test would fail on Linux
# (at least glibc-2.1.3) because the "_XOPEN_SOURCE 500" definition elicits
# a syntax error in wchar.h due to the use of undefined __int32_t.

AC_DEFUN([AC_MBSTATE_T],
  [
   AC_CHECK_HEADERS(stdlib.h)

   AC_CACHE_CHECK([for mbstate_t], ac_cv_type_mbstate_t,
    [AC_TRY_COMPILE([
#if HAVE_STDLIB_H
# include <stdlib.h>
#endif
#include <wchar.h>],
      [mbstate_t x; return sizeof x;],
      ac_cv_type_mbstate_t=yes,
      ac_cv_type_mbstate_t=no)])
   if test $ac_cv_type_mbstate_t = yes; then
     AC_DEFINE(HAVE_MBSTATE_T, 1,ma
	       [Define to 1 if <wchar.h> declares mbstate_t.])
   else
     AC_DEFINE(mbstate_t, int,
	       [Define to a type if <wchar.h> does not define.])
   fi])
#serial 1

dnl From Mumit Khan and Paul Eggert
dnl Determine whether mkdir accepts only one argument instead of the usual two.

AC_DEFUN([PATCH_FUNC_MKDIR_TAKES_ONE_ARG],
  [AC_CHECK_FUNCS(mkdir)
   AC_CACHE_CHECK([whether mkdir takes only one argument],
     patch_cv_mkdir_takes_one_arg,
     [patch_cv_mkdir_takes_one_arg=no
      if test $ac_cv_func_mkdir = yes; then
        AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/stat.h>
	  ],
	  [mkdir (".", 0);],
	  ,
	  [AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/stat.h>
	     ],
	     [mkdir (".");],
	     patch_cv_mkdir_takes_one_arg=yes
	  )]
	)
      fi
     ]
   )
   if test $patch_cv_mkdir_takes_one_arg = yes; then
     AC_DEFINE([MKDIR_TAKES_ONE_ARG], 1,
       [Define if mkdir takes only one argument.])
   fi
  ]
)
# mbrtowc.m4 serial 4 (fileutils-4.1.3)
dnl Copyright (C) 2001-2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License.  As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.

dnl From Paul Eggert

AC_DEFUN([jm_FUNC_MBRTOWC],
[
  AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared],
    jm_cv_func_mbrtowc,
    [AC_TRY_LINK(
       [#include <wchar.h>],
       [mbstate_t state; return ! (sizeof state && mbrtowc);],
       jm_cv_func_mbrtowc=yes,
       jm_cv_func_mbrtowc=no)])
  if test $jm_cv_func_mbrtowc = yes; then
    AC_DEFINE(HAVE_MBRTOWC, 1,
      [Define to 1 if mbrtowc and mbstate_t are properly declared.])
  fi
])
#serial 22

dnl These are the prerequisite macros for files in the lib/
dnl directories of the fileutils, sh-utils, and textutils packages.

AC_DEFUN([jm_PREREQ],
[
  jm_PREREQ_ADDEXT
  jm_PREREQ_CANON_HOST
  jm_PREREQ_DIRNAME
  jm_PREREQ_ERROR
  jm_PREREQ_EXCLUDE
  jm_PREREQ_GETPAGESIZE
  jm_PREREQ_HARD_LOCALE
  jm_PREREQ_HASH
  jm_PREREQ_HUMAN
  jm_PREREQ_MBSWIDTH
  jm_PREREQ_MEMCHR
  jm_PREREQ_PHYSMEM
  jm_PREREQ_POSIXVER
  jm_PREREQ_QUOTEARG
  jm_PREREQ_READUTMP
  jm_PREREQ_REGEX
  jm_PREREQ_TEMPNAME # called by mkstemp
  jm_PREREQ_XGETCWD
  jm_PREREQ_XREADLINK
])

AC_DEFUN([jm_PREREQ_ADDEXT],
[
  dnl For addext.c.
  AC_SYS_LONG_FILE_NAMES
  AC_CHECK_FUNCS(pathconf)
  AC_CHECK_HEADERS(limits.h string.h unistd.h)
])

AC_DEFUN([jm_PREREQ_CANON_HOST],
[
  dnl Add any libraries as early as possible.
  dnl In particular, inet_ntoa needs -lnsl at least on Solaris5.5.1,
  dnl so we have to add -lnsl to LIBS before checking for that function.
  AC_SEARCH_LIBS(gethostbyname, [inet nsl])

  dnl These come from -lnsl on Solaris5.5.1.
  AC_CHECK_FUNCS(gethostbyname gethostbyaddr inet_ntoa)

  AC_CHECK_FUNCS(gethostbyname gethostbyaddr inet_ntoa)
  AC_CHECK_HEADERS(unistd.h string.h netdb.h sys/socket.h \
                   netinet/in.h arpa/inet.h)
])

AC_DEFUN([jm_PREREQ_DIRNAME],
[
  AC_HEADER_STDC
  AC_CHECK_HEADERS(string.h)
])

AC_DEFUN([jm_PREREQ_EXCLUDE],
[
  AC_FUNC_FNMATCH_GNU([lib])
  AC_HEADER_STDBOOL
])

AC_DEFUN([jm_PREREQ_GETPAGESIZE],
[
  AC_CHECK_FUNCS(getpagesize)
  AC_CHECK_HEADERS(OS.h unistd.h)
])

AC_DEFUN([jm_PREREQ_HARD_LOCALE],
[
  AC_C_PROTOTYPES
  AC_CHECK_FUNCS(setlocale)
  AC_CHECK_HEADERS(locale.h stdlib.h string.h)
])

AC_DEFUN([jm_PREREQ_HASH],
[
  AC_CHECK_HEADERS(stdlib.h)
  AC_HEADER_STDBOOL
  AC_REQUIRE([jm_CHECK_DECLS])
])

# If you use human.c, you need the following files:
# inttypes.m4 ulonglong.m4
AC_DEFUN([jm_PREREQ_HUMAN],
[
  AC_CHECK_HEADERS(limits.h stdlib.h string.h)
  AC_CHECK_DECLS([getenv])
  AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])
])

AC_DEFUN([jm_PREREQ_MEMCHR],
[
  AC_CHECK_HEADERS(limits.h stdlib.h bp-sym.h)
])

AC_DEFUN([jm_PREREQ_PHYSMEM],
[
  AC_CHECK_HEADERS(sys/pstat.h unistd.h)
  AC_CHECK_FUNCS(pstat_getstatic pstat_getdynamic)
])

AC_DEFUN([jm_PREREQ_POSIXVER],
[
  AC_CHECK_HEADERS(unistd.h)
  AC_CHECK_DECLS([getenv])
])

AC_DEFUN([jm_PREREQ_QUOTEARG],
[
  AC_CHECK_FUNCS(isascii iswprint)
  jm_FUNC_MBRTOWC
  AC_CHECK_HEADERS(limits.h stddef.h stdlib.h string.h wchar.h wctype.h)
  AC_HEADER_STDC
  AC_C_BACKSLASH_A
  AC_MBSTATE_T
  AC_C_PROTOTYPES
])

AC_DEFUN([jm_PREREQ_REGEX],
[
  dnl FIXME: Maybe provide a btowc replacement someday: solaris-2.5.1 lacks it.
  dnl FIXME: Check for wctype and iswctype, and and add -lw if necessary
  dnl to get them.
  AC_CHECK_FUNCS(bzero bcopy isascii btowc)
  AC_CHECK_HEADERS(alloca.h libintl.h wctype.h wchar.h)
  AC_HEADER_STDC
  AC_FUNC_ALLOCA
])

AC_DEFUN([jm_PREREQ_TEMPNAME],
[
  AC_HEADER_STDC
  AC_HEADER_STAT
  AC_CHECK_HEADERS(fcntl.h sys/time.h stdint.h unistd.h)
  AC_CHECK_FUNCS(__secure_getenv gettimeofday)
  AC_CHECK_DECLS([getenv])
])

AC_DEFUN([jm_PREREQ_XGETCWD],
[
  AC_C_PROTOTYPES
  AC_CHECK_HEADERS(limits.h stdlib.h sys/param.h unistd.h)
  AC_CHECK_FUNCS(getcwd)
  AC_FUNC_GETCWD_NULL
])

AC_DEFUN([jm_PREREQ_XREADLINK],
[
  AC_C_PROTOTYPES
  AC_CHECK_HEADERS(limits.h stdlib.h sys/types.h unistd.h)
])
#serial 6

dnl From Jim Meyering.
dnl Determine whether realloc works when both arguments are 0.
dnl If it doesn't, arrange to use the replacement function.
dnl

AC_DEFUN([jm_FUNC_REALLOC],
[
 dnl xmalloc.c requires that this symbol be defined so it doesn't
 dnl mistakenly use a broken realloc -- as it might if this test were omitted.
 AC_DEFINE(HAVE_DONE_WORKING_REALLOC_CHECK, 1,
           [Define if the realloc check has been performed. ])

 AC_CACHE_CHECK([whether realloc(0,0) returns a non-NULL pointer],
                jm_cv_func_working_realloc,
  [AC_TRY_RUN([
    char *realloc ();
    int
    main ()
    {
      exit (realloc (0, 0) ? 0 : 1);
    }
	  ],
	 jm_cv_func_working_realloc=yes,
	 jm_cv_func_working_realloc=no,
	 dnl When crosscompiling, assume realloc(0,0) returns NULL.
	 jm_cv_func_working_realloc=no)
  ])
  if test $jm_cv_func_working_realloc = no; then
    AC_LIBOBJ(realloc)
    AC_DEFINE(realloc, rpl_realloc,
      [Define to rpl_realloc if the replacement function should be used.])
  fi
])
# Check for setmode, DOS style.

# Copyright (C) 2001, 2002 Free Software Foundation, Inc.

# This program 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.

# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.

AC_DEFUN([AC_FUNC_SETMODE_DOS],
  [AC_CHECK_HEADERS(fcntl.h unistd.h)
   AC_CACHE_CHECK([for DOS-style setmode],
     [ac_cv_func_setmode_dos],
     [AC_TRY_LINK(
	[#include <io.h>
	 #if HAVE_FCNTL_H
	 # include <fcntl.h>
	 #endif
	 #if HAVE_UNISTD_H
	 # include <unistd.h>
	 #endif],
	[int ret = setmode && setmode (1, O_BINARY);],
	[ac_cv_func_setmode_dos=yes],
	[ac_cv_func_setmode_dos=no])])
   if test $ac_cv_func_setmode_dos = yes; then
     AC_DEFINE(HAVE_SETMODE_DOS, 1,
       [Define to 1 if you have the DOS-style `setmode' function.])
   fi])
#serial 4

dnl From Jim Meyering

dnl Define HAVE_STRUCT_UTIMBUF if `struct utimbuf' is declared --
dnl usually in <utime.h>.
dnl Some systems have utime.h but don't declare the struct anywhere.

AC_DEFUN([jm_CHECK_TYPE_STRUCT_UTIMBUF],
[
  AC_CHECK_HEADERS(utime.h)
  AC_REQUIRE([AC_HEADER_TIME])
  AC_CACHE_CHECK([for struct utimbuf], fu_cv_sys_struct_utimbuf,
    [AC_TRY_COMPILE(
      [
#ifdef TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# ifdef HAVE_SYS_TIME_H
#  include <sys/time.h>
# else
#  include <time.h>
# endif
#endif
#ifdef HAVE_UTIME_H
# include <utime.h>
#endif
      ],
      [static struct utimbuf x; x.actime = x.modtime;],
      fu_cv_sys_struct_utimbuf=yes,
      fu_cv_sys_struct_utimbuf=no)
    ])

  if test $fu_cv_sys_struct_utimbuf = yes; then
    AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1,
[Define if struct utimbuf is declared -- usually in <utime.h>.
   Some systems have utime.h but don't declare the struct anywhere. ])
  fi
])