dnl Process this file with autoconf to produce a configure script.
AC_INIT(include/includes.h)
AC_CONFIG_HEADER(include/config.h)

dnl Checks for programs.
AC_PROG_CC
AC_PROG_INSTALL
AC_SUBST(SHELL)
AC_PROG_AWK

AC_CANONICAL_SYSTEM
case "$host_os" in
	*linux*)   AC_DEFINE(LINUX);;
        *solaris*) AC_DEFINE(SUNOS5);;
        *sunos*) AC_DEFINE(SUNOS4);;
        *irix*) AC_DEFINE(IRIX);;
        *aix*) AC_DEFINE(AIX);;
        *hpux*) AC_DEFINE(HPUX);;
        *qnx*) AC_DEFINE(QNX);;
        *osf1*) AC_DEFINE(OSF1);;
        *sco*) AC_DEFINE(SCO);;
        *next2*) AC_DEFINE(NEXT2);;
esac

AC_INLINE
AC_HEADER_STDC
AC_HEADER_DIRENT
AC_HEADER_TIME
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(sys/fcntl.h sys/select.h fcntl.h sys/time.h sys/unistd.h)
AC_CHECK_HEADERS(unistd.h utime.h grp.h sys/id.h limits.h net/if.h)
AC_CHECK_HEADERS(compat.h sys/param.h ctype.h sys/wait.h sys/ioctl.h)
AC_CHECK_HEADERS(sys/filio.h string.h stdlib.h sys/socket.h sys/mode.h)
AC_CHECK_HEADERS(sys/mount.h sys/vfs.h sys/fs/s5param.h sys/filsys.h termios.h)
AC_CHECK_HEADERS(sys/statfs.h sys/dustat.h sys/statvfs.h stdarg.h sys/sockio.h)
AC_CHECK_HEADERS(shadow.h netinet/tcp.h sys/security.h security/pam_appl.h)

AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(short)

AC_C_CONST
AC_C_INLINE
AC_C_BIGENDIAN
AC_C_CHAR_UNSIGNED

AC_TYPE_SIGNAL
AC_TYPE_UID_T
AC_TYPE_MODE_T
AC_TYPE_OFF_T
AC_TYPE_SIZE_T
AC_TYPE_PID_T
AC_STRUCT_ST_RDEV
AC_CHECK_TYPE(ino_t,unsigned)

echo $ac_n "checking for errno in errno.h... $ac_c"
AC_TRY_COMPILE([#include <errno.h>],[int i = errno],
echo yes; AC_DEFINE(HAVE_ERRNO_DECL),
echo no)

AC_FUNC_MEMCMP

###############################################
# test for where we get crypt() from
if test "$ac_cv_lib_crypt_crypt" = "yes"; then
  AC_CHECK_LIB(crypt, crypt)
  AC_DEFINE(HAVE_CRYPT)
fi
if test "$ac_cv_lib_crypt_crypt" = "no" || 
   test "$ac_cv_lib_crypt_crypt" = ""; then
# look for crypt 
AC_CHECK_FUNC(crypt, AC_DEFINE(HAVE_CRYPT), 
[case "$LIBS" in
*-lcrypt*) ;;
*) AC_CHECK_LIB(crypt, crypt) ;;
esac
if test "$ac_cv_lib_crypt_crypt" = "yes"; then
  ac_cv_func_crypt=yes
  AC_DEFINE(HAVE_CRYPT)
fi])
fi


###############################################
# test for where we get pam_authenticate() from
# might need libdl for this to work
if test "$ac_cv_header_security_pam_appl_h" = "yes"; then
  AC_HAVE_LIBRARY(dl)
fi
if test "$ac_cv_lib_pam_pam_authenticate" = "yes"; then
  AC_CHECK_LIB(pam, pam_authenticate)
  AC_DEFINE(HAVE_PAM_AUTHENTICATE)
fi
if test "$ac_cv_lib_pam_pam_authenticate" = "no" || 
   test "$ac_cv_lib_pam_pam_authenticate" = ""; then
# look for pam_authenticate
AC_CHECK_FUNC(pam_authenticate, AC_DEFINE(HAVE_PAM_AUTHENTICATE), 
[case "$LIBS" in
*-lpam*) ;;
*) AC_CHECK_LIB(pam, pam_authenticate) ;;
esac
if test "$ac_cv_lib_pam_pam_authenticate" = "yes"; then
  ac_cv_func_pam_authenticate=yes
  AC_DEFINE(HAVE_PAM_AUTHENTICATE)
fi])
fi

# The following test taken from the cvs sources
# If we can't find connect, try looking in -lsocket, -lnsl, and -linet.
# The Irix 5 libc.so has connect and gethostbyname, but Irix 5 also has
# libsocket.so which has a bad implementation of gethostbyname (it
# only looks in /etc/hosts), so we only look for -lsocket if we need
# it.
AC_CHECK_FUNC(connect, :, 
[case "$LIBS" in
*-lnsl*) ;;
*) AC_CHECK_LIB(nsl_s, printf) ;;
esac
case "$LIBS" in
*-lnsl*) ;;
*) AC_CHECK_LIB(nsl, printf) ;;
esac
case "$LIBS" in
*-lsocket*) ;;
*) AC_CHECK_LIB(socket, connect) ;;
esac
case "$LIBS" in
*-linet*) ;;
*) AC_CHECK_LIB(inet, connect) ;;
esac
dnl We can't just call AC_CHECK_FUNCS(connect) here, because the value
dnl has been cached.
if test "$ac_cv_lib_socket_connect" = "yes" || 
   test "$ac_cv_lib_inet_connect" = "yes"; then
  ac_cv_func_connect=yes
  AC_DEFINE(HAVE_CONNECT)
fi])


AC_CHECK_FUNCS(waitpid getcwd strdup strerror chown chmod chroot)
AC_CHECK_FUNCS(fstat strchr utime utimes getrlimit fsync execl)
AC_CHECK_FUNCS(memmove vsnprintf setsid glob strpbrk pipe crypt16 getauthuid)
AC_CHECK_FUNCS(strftime sigprocmask sigblock sigaction innetgr)
AC_CHECK_FUNCS(initgroups select rdchk getgrnam pathconf putprpwnam)
AC_CHECK_FUNCS(setresuid setuidx setgroups mktime rename ftruncate)
AC_CHECK_FUNCS(set_auth_parameters atexit grantpt getspnam dup2)
AC_CHECK_FUNCS(bigcrypt getprpwnam setluid yp_get_default_domain getpwanam)

echo $ac_n "checking for long long ... $ac_c"
AC_TRY_RUN([#include <stdio.h>
main() { long long x = 1000000; x *= x; exit(((x/1000000) == 1000000)? 0: 1); }],
echo yes;AC_DEFINE(HAVE_LONGLONG), 
echo no)

echo $ac_n "checking for off64_t ... $ac_c"
AC_TRY_RUN([#include <stdio.h>
#include <sys/stat.h>
main() { struct stat64 st; off64_t s; if (sizeof(off_t) == sizeof(off64_t)) exit(1); exit((lstat64("/dev/null", &st)==0)?0:1); }],
echo yes;AC_DEFINE(HAVE_OFF64_T), 
echo no)

echo $ac_n "checking for union semun ... $ac_c"
AC_TRY_RUN([
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/sem.h>
main() { union semun ss; exit(0); }],
echo yes;AC_DEFINE(HAVE_UNION_SEMUN), 
echo no)

echo $ac_n "checking for unsigned char ... $ac_c"
AC_TRY_RUN([#include <stdio.h>
main() { char c; c=250; exit((c > 0)?0:1); }],
echo yes;AC_DEFINE(HAVE_UNSIGNED_CHAR), 
echo no)

echo $ac_n "checking for sin_len in sock ... $ac_c"
AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>],
[struct sockaddr_in sock; sock.sin_len = sizeof(sock);],
echo yes;AC_DEFINE(HAVE_SOCK_SIN_LEN), 
echo no)

echo $ac_n "checking for __FILE__ macro ... $ac_c"
AC_TRY_COMPILE([#include <stdio.h>], [printf("%s\n", __FILE__);],
echo yes;AC_DEFINE(HAVE_FILE_MACRO), 
echo no)

echo $ac_n "checking for __FUNCTION__ macro ... $ac_c"
AC_TRY_COMPILE([#include <stdio.h>], [printf("%s\n", __FUNCTION__);],
echo yes;AC_DEFINE(HAVE_FUNCTION_MACRO), 
echo no)

echo $ac_n "checking if gettimeofday takes tz argument ... $ac_c"
AC_TRY_RUN([
#include <sys/time.h>
#include <unistd.h>
main() { struct timeval tv; exit(gettimeofday(&tv, NULL));}],
           echo yes;AC_DEFINE(HAVE_GETTIMEOFDAY_TZ),
	   echo no)


echo $ac_n "checking for broken readdir ... $ac_c"
AC_TRY_RUN([#include <sys/types.h>
#include <dirent.h>
main() { struct dirent *di; DIR *d = opendir("."); di = readdir(d);
if (di && di->d_name[-2] == '.' && di->d_name[-1] == 0 &&
di->d_name[0] == 0) exit(0); exit(1);} ],
echo yes - you are using the broken /usr/ucb/cc;AC_DEFINE(HAVE_BROKEN_READDIR), 
echo no)

echo $ac_n "checking for utimbuf ... $ac_c"
AC_TRY_COMPILE([#include <sys/types.h>
#include <utime.h>],
[struct utimbuf tbuf;  tbuf.actime = 0; tbuf.modtime = 1; exit(utime("foo.c",&tbuf));],
echo yes;AC_DEFINE(HAVE_UTIMBUF), 
echo no)

echo $ac_n "checking for ftruncate extend ... $ac_c"
AC_TRY_RUN([#include "tests/ftruncate.c"],
           echo yes;AC_DEFINE(HAVE_FTRUNCATE_EXTEND), 
	   echo no)

echo $ac_n "checking for broken getgroups ... $ac_c"
AC_TRY_RUN([#include "tests/getgroups.c"],
           echo yes;AC_DEFINE(HAVE_BROKEN_GETGROUPS), 
	   echo no)


echo $ac_n "checking for broken inet_ntoa ... $ac_c"
AC_TRY_RUN([
#include <stdio.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/inet.h>
main() { struct in_addr ip; ip.s_addr = 0x12345678;
if (strcmp(inet_ntoa(ip),"18.52.86.120") &&
    strcmp(inet_ntoa(ip),"120.86.52.18")) { exit(0); } 
exit(1);}],
           echo yes;AC_DEFINE(REPLACE_INET_NTOA), 
	   echo no)

echo $ac_n "checking for root ... $ac_c"
AC_TRY_RUN([main() { exit(getuid() != 0); }],
           echo yes;AC_DEFINE(HAVE_ROOT), 
	   echo WARNING: running as non-root will disable some tests;)

netmask=no;
echo $ac_n "checking for netmask ifconf ... $ac_c"
AC_TRY_RUN([
#define HAVE_NETMASK_IFCONF 1
#define AUTOCONF 1
#include "netmask.c"],
           echo yes;netmask=yes;AC_DEFINE(HAVE_NETMASK_IFCONF),
	   echo no)

if test $netmask = no; then
echo $ac_n "checking for netmask ifreq ... $ac_c"
AC_TRY_RUN([
#define HAVE_NETMASK_IFREQ 1
#define AUTOCONF 1
#include "netmask.c"],
           echo yes;netmask=yes;AC_DEFINE(HAVE_NETMASK_IFREQ),
	   echo no)
fi

if test $netmask = no; then
echo $ac_n "checking for netmask AIX ... $ac_c"
AC_TRY_RUN([
#define HAVE_NETMASK_AIX 1
#define AUTOCONF 1
#include "netmask.c"],
           echo yes;netmask=yes;AC_DEFINE(HAVE_NETMASK_AIX),
	   echo no)
fi

echo $ac_n "checking for trapdoor seteuid ... $ac_c"
AC_TRY_RUN([#include "tests/trapdoor.c"],
	   echo no,
           echo yes;AC_DEFINE(HAVE_TRAPDOOR_UID))

echo $ac_n "checking for shared mmap ... $ac_c"
AC_TRY_RUN([#include "tests/shared_mmap.c"],
           echo yes;AC_DEFINE(HAVE_SHARED_MMAP), 
	   echo no)

echo $ac_n "checking for fcntl locking ... $ac_c"
AC_TRY_RUN([#include "tests/fcntl_lock.c"],
           echo yes;AC_DEFINE(HAVE_FCNTL_LOCK), 
	   echo no)

echo $ac_n "checking for sysv ipc ... $ac_c"
AC_TRY_RUN([#include "tests/sysv_ipc.c"],
           echo yes;AC_DEFINE(HAVE_SYSV_IPC), 
	   echo no)

#################################################
# check for the AFS filesystem
AC_MSG_CHECKING(whether to use AFS)
AC_ARG_WITH(afs,
[  --with-afs     Include AFS support
  --without-afs  Don't include AFS support (default)],
[ case "$withval" in
  yes)
    AC_MSG_RESULT(yes)
    AC_DEFINE(WITH_AFS)
    ;;
  *)
    AC_MSG_RESULT(no)
    ;;
  esac ],
  AC_MSG_RESULT(no)
)


#################################################
# check for the DFS auth system
AC_MSG_CHECKING(whether to use DFS auth)
AC_ARG_WITH(dfs,
[  --with-dfs     Include DFS support
  --without-dfs  Don't include DFS support (default)],
[ case "$withval" in
  yes)
    AC_MSG_RESULT(yes)
    AC_DEFINE(WITH_DFS)
    ;;
  *)
    AC_MSG_RESULT(no)
    ;;
  esac ],
  AC_MSG_RESULT(no)
)

#################################################
# check for automount support
AC_MSG_CHECKING(whether to use AUTOMOUNT)
AC_ARG_WITH(automount,
[  --with-automount     Include AUTOMOUNT support
  --without-automount  Don't include AUTOMOUNT support (default)],
[ case "$withval" in
  yes)
    AC_MSG_RESULT(yes)
    AC_DEFINE(WITH_AUTOMOUNT)
    ;;
  *)
    AC_MSG_RESULT(no)
    ;;
  esac ],
  AC_MSG_RESULT(no)
)

#################################################
# check for a LDAP password database
AC_MSG_CHECKING(whether to use LDAP password database)
AC_ARG_WITH(ldap,
[  --with-ldap     Include LDAP support
  --without-ldap  Don't include LDAP support (default)],
[ case "$withval" in
  yes)
    AC_MSG_RESULT(yes)
    AC_DEFINE(WITH_LDAP)
    ;;
  *)
    AC_MSG_RESULT(no)
    ;;
  esac ],
  AC_MSG_RESULT(no)
)

#################################################
# check for a NISPLUS password database
AC_MSG_CHECKING(whether to use NISPLUS password database)
AC_ARG_WITH(nisplus,
[  --with-nisplus     Include NISPLUS password database support
  --without-nisplus  Don't include NISPLUS password database support (default)],
[ case "$withval" in
  yes)
    AC_MSG_RESULT(yes)
    AC_DEFINE(WITH_NISPLUS)
    ;;
  *)
    AC_MSG_RESULT(no)
    ;;
  esac ],
  AC_MSG_RESULT(no)
)

#################################################
# check for a NISPLUS_HOME support 
AC_MSG_CHECKING(whether to use NISPLUS_HOME)
AC_ARG_WITH(nisplus-home,
[  --with-nisplus-home     Include NISPLUS_HOME support
  --without-nisplus-home  Don't include NISPLUS_HOME support (default)],
[ case "$withval" in
  yes)
    AC_MSG_RESULT(yes)
    AC_DEFINE(WITH_NISPLUS_HOME)
    ;;
  *)
    AC_MSG_RESULT(no)
    ;;
  esac ],
  AC_MSG_RESULT(no)
)

#################################################
# check for the secure socket layer
AC_MSG_CHECKING(whether to use SSL)
AC_ARG_WITH(ssl,
[  --with-ssl     Include SSL support
  --without-ssl  Don't include SSL support (default)],
[ case "$withval" in
  yes)
    AC_MSG_RESULT(yes)
    AC_DEFINE(WITH_SSL)
    ;;
  *)
    AC_MSG_RESULT(no)
    ;;
  esac ],
  AC_MSG_RESULT(no)
)

#################################################
# check for experimental mmap support
AC_MSG_CHECKING(whether to use MMAP)
AC_ARG_WITH(mmap,
[  --with-mmap     Include experimental MMAP support
  --without-mmap  Don't include MMAP support (default)],
[ case "$withval" in
  yes)
    AC_MSG_RESULT(yes)
    AC_DEFINE(WITH_MMAP)
    ;;
  *)
    AC_MSG_RESULT(no)
    ;;
  esac ],
  AC_MSG_RESULT(no)
)

#################################################
# check for syslog logging
AC_MSG_CHECKING(whether to use syslog logging)
AC_ARG_WITH(syslog,
[  --with-syslog     Include experimental SYSLOG support
  --without-syslog  Don't include SYSLOG support (default)],
[ case "$withval" in
  yes)
    AC_MSG_RESULT(yes)
    AC_DEFINE(WITH_SYSLOG)
    ;;
  *)
    AC_MSG_RESULT(no)
    ;;
  esac ],
  AC_MSG_RESULT(no)
)


#################################################
# these tests are taken from the GNU fileutils package
AC_CHECKING(how to get filesystem space usage)
space=no

# Perform only the link test since it seems there are no variants of the
# statvfs function.  This check is more than just AC_CHECK_FUNCS(statvfs)
# because that got a false positive on SCO OSR5.  Adding the declaration
# of a `struct statvfs' causes this test to fail (as it should) on such
# systems.  That system is reported to work fine with STAT_STATFS4 which
# is what it gets when this test fails.
if test $space = no; then
  # SVR4
  AC_CACHE_CHECK([statvfs function (SVR4)], fu_cv_sys_stat_statvfs,
		 [AC_TRY_LINK([#include <sys/types.h>
#include <sys/statvfs.h>],
			      [struct statvfs fsd; statvfs (0, &fsd);],
			      fu_cv_sys_stat_statvfs=yes,
			      fu_cv_sys_stat_statvfs=no)])
  if test $fu_cv_sys_stat_statvfs = yes; then
    space=yes
    AC_DEFINE(STAT_STATVFS)
  fi
fi

if test $space = no; then
  # DEC Alpha running OSF/1
  AC_MSG_CHECKING([for 3-argument statfs function (DEC OSF/1)])
  AC_CACHE_VAL(fu_cv_sys_stat_statfs3_osf1,
  [AC_TRY_RUN([
#include <sys/param.h>
#include <sys/types.h>
#include <sys/mount.h>
  main ()
  {
    struct statfs fsd;
    fsd.f_fsize = 0;
    exit (statfs (".", &fsd, sizeof (struct statfs)));
  }],
  fu_cv_sys_stat_statfs3_osf1=yes,
  fu_cv_sys_stat_statfs3_osf1=no,
  fu_cv_sys_stat_statfs3_osf1=no)])
  AC_MSG_RESULT($fu_cv_sys_stat_statfs3_osf1)
  if test $fu_cv_sys_stat_statfs3_osf1 = yes; then
    space=yes
    AC_DEFINE(STAT_STATFS3_OSF1)
  fi
fi

if test $space = no; then
# AIX
  AC_MSG_CHECKING([for two-argument statfs with statfs.bsize dnl
member (AIX, 4.3BSD)])
  AC_CACHE_VAL(fu_cv_sys_stat_statfs2_bsize,
  [AC_TRY_RUN([
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifdef HAVE_SYS_MOUNT_H
#include <sys/mount.h>
#endif
#ifdef HAVE_SYS_VFS_H
#include <sys/vfs.h>
#endif
  main ()
  {
  struct statfs fsd;
  fsd.f_bsize = 0;
  exit (statfs (".", &fsd));
  }],
  fu_cv_sys_stat_statfs2_bsize=yes,
  fu_cv_sys_stat_statfs2_bsize=no,
  fu_cv_sys_stat_statfs2_bsize=no)])
  AC_MSG_RESULT($fu_cv_sys_stat_statfs2_bsize)
  if test $fu_cv_sys_stat_statfs2_bsize = yes; then
    space=yes
    AC_DEFINE(STAT_STATFS2_BSIZE)
  fi
fi

if test $space = no; then
# SVR3
  AC_MSG_CHECKING([for four-argument statfs (AIX-3.2.5, SVR3)])
  AC_CACHE_VAL(fu_cv_sys_stat_statfs4,
  [AC_TRY_RUN([#include <sys/types.h>
#include <sys/statfs.h>
  main ()
  {
  struct statfs fsd;
  exit (statfs (".", &fsd, sizeof fsd, 0));
  }],
    fu_cv_sys_stat_statfs4=yes,
    fu_cv_sys_stat_statfs4=no,
    fu_cv_sys_stat_statfs4=no)])
  AC_MSG_RESULT($fu_cv_sys_stat_statfs4)
  if test $fu_cv_sys_stat_statfs4 = yes; then
    space=yes
    AC_DEFINE(STAT_STATFS4)
  fi
fi

if test $space = no; then
# 4.4BSD and NetBSD
  AC_MSG_CHECKING([for two-argument statfs with statfs.fsize dnl
member (4.4BSD and NetBSD)])
  AC_CACHE_VAL(fu_cv_sys_stat_statfs2_fsize,
  [AC_TRY_RUN([#include <sys/types.h>
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifdef HAVE_SYS_MOUNT_H
#include <sys/mount.h>
#endif
  main ()
  {
  struct statfs fsd;
  fsd.f_fsize = 0;
  exit (statfs (".", &fsd));
  }],
  fu_cv_sys_stat_statfs2_fsize=yes,
  fu_cv_sys_stat_statfs2_fsize=no,
  fu_cv_sys_stat_statfs2_fsize=no)])
  AC_MSG_RESULT($fu_cv_sys_stat_statfs2_fsize)
  if test $fu_cv_sys_stat_statfs2_fsize = yes; then
    space=yes
    AC_DEFINE(STAT_STATFS2_FSIZE)
  fi
fi

if test $space = no; then
  # Ultrix
  AC_MSG_CHECKING([for two-argument statfs with struct fs_data (Ultrix)])
  AC_CACHE_VAL(fu_cv_sys_stat_fs_data,
  [AC_TRY_RUN([#include <sys/types.h>
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifdef HAVE_SYS_MOUNT_H
#include <sys/mount.h>
#endif
#ifdef HAVE_SYS_FS_TYPES_H
#include <sys/fs_types.h>
#endif
  main ()
  {
  struct fs_data fsd;
  /* Ultrix's statfs returns 1 for success,
     0 for not mounted, -1 for failure.  */
  exit (statfs (".", &fsd) != 1);
  }],
  fu_cv_sys_stat_fs_data=yes,
  fu_cv_sys_stat_fs_data=no,
  fu_cv_sys_stat_fs_data=no)])
  AC_MSG_RESULT($fu_cv_sys_stat_fs_data)
  if test $fu_cv_sys_stat_fs_data = yes; then
    space=yes
    AC_DEFINE(STAT_STATFS2_FS_DATA)
  fi
fi


AC_OUTPUT(Makefile tests/dummy client/dummy lib/dummy ubiqx/dummy
web/dummy param/dummy nmbd/dummy smbd/dummy rpc_server/dummy
rpc_parse/dummy script/dummy include/dummy codepages/dummy
libsmb/dummy)