summaryrefslogtreecommitdiff
path: root/source4/configure.in
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dnl -*- mode: m4-mode -*-
dnl Process this file with autoconf to produce a configure script.

dnl disabled 2.53 requirement - we do work with 2.52 on suse 7.3 for example
dnl AC_PREREQ(2.53)


AC_INIT(include/includes.h)
AC_CONFIG_HEADER(include/config.h)

AC_DISABLE_STATIC
AC_ENABLE_SHARED

#################################################
# Directory handling stuff to support both the
# legacy SAMBA directories and FHS compliant
# ones...
AC_PREFIX_DEFAULT(/usr/local/samba)

AC_ARG_WITH(fhs, 
[  --with-fhs              Use FHS-compliant paths (default=no)],
    configdir="${sysconfdir}/samba"
    lockdir="\${VARDIR}/cache/samba"
    piddir="\${VARDIR}/run/samba"
    logfilebase="\${VARDIR}/log/samba"
    privatedir="\${CONFIGDIR}/private"
    libdir="\${prefix}/lib/samba"
    swatdir="\${DATADIR}/samba/swat",
    configdir="\${LIBDIR}"
    logfilebase="\${VARDIR}"
    lockdir="\${VARDIR}/locks"
    piddir="\${VARDIR}/locks"
    privatedir="\${prefix}/private"
    swatdir="\${prefix}/swat")

#################################################
# set private directory location
AC_ARG_WITH(privatedir,
[  --with-privatedir=DIR   Where to put smbpasswd ($ac_default_prefix/private)],
[ case "$withval" in
  yes|no)
  #
  # Just in case anybody calls it without argument
  #
    AC_MSG_WARN([--with-privatedir called without argument - will use default])
  ;;
  * )
    privatedir="$withval"
    ;;
  esac])

#################################################
# set lock directory location
AC_ARG_WITH(lockdir,
[  --with-lockdir=DIR      Where to put lock files ($ac_default_prefix/var/locks)],
[ case "$withval" in
  yes|no)
  #
  # Just in case anybody calls it without argument
  #
    AC_MSG_WARN([--with-lockdir called without argument - will use default])
  ;;
  * )
    lockdir="$withval"
    ;;
  esac])

#################################################
# set pid directory location
AC_ARG_WITH(piddir,
[  --with-piddir=DIR       Where to put pid files ($ac_default_prefix/var/locks)],
[ case "$withval" in
  yes|no)
  #
  # Just in case anybody calls it without argument
  #
    AC_MSG_WARN([--with-piddir called without argument - will use default])
  ;;
  * )
    piddir="$withval"
    ;;
  esac])

#################################################
# set configuration directory location
AC_ARG_WITH(configdir,
[  --with-configdir=DIR    Where to put configuration files (\$libdir)],
[ case "$withval" in
  yes|no)
  #
  # Just in case anybody does it
  #
    AC_MSG_WARN([--with-configdir called without argument - will use default])
  ;;
  * )
    configdir="$withval"
    ;;
  esac])

#################################################
# set log directory location
AC_ARG_WITH(logfilebase,
[  --with-logfilebase=DIR  Where to put log files (\$(VARDIR))],
[ case "$withval" in
  yes|no)
  #
  # Just in case anybody does it
  #
    AC_MSG_WARN([--with-logfilebase called without argument - will use default])
  ;;
  * )
    logfilebase="$withval"
    ;;
  esac])

AC_SUBST(configdir)
AC_SUBST(lockdir)
AC_SUBST(piddir)
AC_SUBST(logfilebase)
AC_SUBST(privatedir)
AC_SUBST(bindir)
AC_SUBST(sbindir)

dnl Unique-to-Samba variables we'll be playing with.
AC_SUBST(SHELL)
AC_SUBST(LDSHFLAGS)
AC_SUBST(SONAMEFLAG)
AC_SUBST(SHLD)
AC_SUBST(HOST_OS)
AC_SUBST(PICFLAG)
AC_SUBST(PICSUFFIX)
AC_SUBST(POBAD_CC)
AC_SUBST(SHLIBEXT)
AC_SUBST(INSTALLCLIENTCMD_SH)
AC_SUBST(INSTALLCLIENTCMD_A)
AC_SUBST(LIBSMBCLIENT_SHARED)
AC_SUBST(LIBSMBCLIENT)
AC_SUBST(PRINTLIBS)
AC_SUBST(AUTHLIBS)
AC_SUBST(ACLLIBS)
AC_SUBST(SHLIB_PROGS)
AC_SUBST(SMBWRAPPER)
AC_SUBST(EXTRA_BIN_PROGS)
AC_SUBST(EXTRA_SBIN_PROGS)
AC_SUBST(EXTRA_ALL_TARGETS)

AC_ARG_ENABLE(debug, 
[  --enable-debug          Turn on compiler debugging information (default=no)],
    [if eval "test x$enable_debug = xyes"; then
	CFLAGS="${CFLAGS} -gstabs"
    fi])

AC_ARG_ENABLE(developer, [  --enable-developer      Turn on developer warnings and debugging (default=no)],
    [if eval "test x$enable_developer = xyes"; then
        developer=yes
    	CFLAGS="${CFLAGS} -gstabs -Wall -Wshadow -Wstrict-prototypes -Wpointer-arith -Wcast-qual -Wcast-align -Wwrite-strings -DDEBUG_PASSWORD -DDEVELOPER"
    fi])

AC_ARG_ENABLE(krb5developer, [  --enable-krb5developer  Turn on developer warnings and debugging, except -Wstrict-prototypes (default=no)],
    [if eval "test x$enable_krb5developer = xyes"; then
        developer=yes
	CFLAGS="${CFLAGS} -gstabs -Wall -Wshadow -Wpointer-arith -Wcast-qual -Wcast-align -Wwrite-strings -DDEBUG_PASSWORD -DDEVELOPER"
    fi])

dnl Checks for programs.
AC_PROG_CC
AC_PROG_INSTALL
AC_PATH_PROG(PERL, perl)

# compile with optimization and without debugging by default, but
# allow people to set their own preference.
if test "x$CFLAGS" = x
then
  CFLAGS="-O ${CFLAGS}"
fi

dnl Check if we use GNU ld
LD=ld
AC_PROG_LD_GNU

dnl needed before AC_TRY_COMPILE
AC_ISC_POSIX

dnl look for executable suffix
AC_EXEEXT

dnl Check if C compiler understands -c and -o at the same time
AC_PROG_CC_C_O
if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
      BROKEN_CC=
else
      BROKEN_CC=#
fi
AC_SUBST(BROKEN_CC)

AC_CACHE_CHECK([that the C compiler can precompile header files],samba_cv_precompiled_headers, [
	dnl Check whether the compiler can generate precompiled headers
	touch conftest.h
	if ${CC-cc} conftest.h 2> /dev/null && test -f conftest.h.gch; then
		samba_cv_precompiled_headers=yes
	else
		samba_cv_precompiled_headers=no
	fi])
PCH_AVAILABLE="#"
if test x"$samba_cv_precompiled_headers" = x"yes"; then
	PCH_AVAILABLE=""
fi
AC_SUBST(PCH_AVAILABLE)


dnl Check if the C compiler understands volatile (it should, being ANSI).
AC_CACHE_CHECK([that the C compiler understands volatile],samba_cv_volatile, [
    AC_TRY_COMPILE([#include <sys/types.h>],[volatile int i = 0],
	samba_cv_volatile=yes,samba_cv_volatile=no)])
if test x"$samba_cv_volatile" = x"yes"; then
   AC_DEFINE(HAVE_VOLATILE, 1, [Whether the C compiler understands volatile])
fi


AC_CANONICAL_SYSTEM

dnl Add #include for broken IRIX header files
  case "$host_os" in
	*irix6*) AC_ADD_INCLUDE(<standards.h>)
	;;
esac

AC_VALIDATE_CACHE_SYSTEM_TYPE

DYNEXP=

#
# Config CPPFLAG settings for strange OS's that must be set
# before other tests.
#
case "$host_os" in
# Try to work out if this is the native HPUX compiler that uses the -Ae flag.
    *hpux*)
    
      AC_PROG_CC_FLAG(Ae)
      # mmap on HPUX is completely broken...
      AC_DEFINE(MMAP_BLACKLIST, 1, [Whether MMAP is broken])
      if test $ac_cv_prog_cc_Ae = yes; then
        CPPFLAGS="$CPPFLAGS -Ae"
      fi
#
# Defines needed for HPUX support.
# HPUX has bigcrypt but (sometimes?) doesn't use it for
# password hashing - hence the USE_BOTH_CRYPT_CALLS define.
#
      case `uname -r` in
			*9*|*10*)
				CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_POSIX_SOURCE -D_ALIGNMENT_REQUIRED=1 -D_MAX_ALIGNMENT=4 -DMAX_POSITIVE_LOCK_OFFSET=0x1ffffffffffLL"
		   		AC_DEFINE(USE_BOTH_CRYPT_CALLS, 1, [Whether to use both of HPUX' crypt calls])
				AC_DEFINE(_HPUX_SOURCE, 1, [Whether to use HPUX extensions])
				AC_DEFINE(_POSIX_SOURCE, 1, [Whether to use POSIX compatible functions])
				AC_DEFINE(_ALIGNMENT_REQUIRED,1,[Required alignment])
				AC_DEFINE(_MAX_ALIGNMENT,4,[Maximum alignment])
				;;
			*11*)
				CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_POSIX_SOURCE -D_LARGEFILE64_SOURCE -D_ALIGNMENT_REQUIRED=1 -D_MAX_ALIGNMENT=4 -DMAX_POSITIVE_LOCK_OFFSET=0x1ffffffffffLL"
		   		AC_DEFINE(USE_BOTH_CRYPT_CALLS, 1, [Whether to use both of HPUX' crypt calls])
				AC_DEFINE(_HPUX_SOURCE, 1, [Whether to use HPUX extensions])
				AC_DEFINE(_POSIX_SOURCE, 1, [Whether to use POSIX compatible functions])
				AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to use large file support])
				AC_DEFINE(_ALIGNMENT_REQUIRED, 1, [Required alignment])
				AC_DEFINE(_MAX_ALIGNMENT, 4, [Maximum alignment])
				;;
      esac
      DYNEXP="-Wl,-E"
      ;;

#
# CRAY Unicos has broken const handling
       *unicos*)
	  AC_MSG_RESULT([disabling const])
	  CPPFLAGS="$CPPFLAGS -Dconst="
	  ;;
	
#
# AIX4.x doesn't even admit to having large
# files *at all* unless the -D_LARGE_FILE or -D_LARGE_FILE_API flags are set.
#
    *aix4*)
	  AC_MSG_RESULT([enabling large file support])
      CPPFLAGS="$CPPFLAGS -D_LARGE_FILES"
	  AC_DEFINE(_LARGE_FILES, 1, [Whether to enable large file support])
      ;;    
#
# Defines needed for Solaris 2.6/2.7 aka 7.0 to make it admit
# to the existance of large files..
# Note that -D_LARGEFILE64_SOURCE is different from the Sun
# recommendations on large file support, however it makes the
# compile work using gcc 2.7 and 2.8, whereas using the Sun
# recommendation makes the compile fail on gcc2.7. JRA.
#
	*solaris*)
		case `uname -r` in
			5.0*|5.1*|5.2*|5.3*|5.5*)
	  			AC_MSG_RESULT([no large file support])
				;;
			5.*)
			AC_MSG_RESULT([enabling large file support])
			if test "$ac_cv_prog_gcc" = yes; then
				${CC-cc} -v >conftest.c 2>&1
				ac_cv_gcc_compiler_version_number=`grep 'gcc version' conftest.c`
				rm -fr conftest.c
				case "$ac_cv_gcc_compiler_version_number" in
					*"gcc version 2.6"*|*"gcc version 2.7"*)
						CPPFLAGS="$CPPFLAGS -D_LARGEFILE64_SOURCE"
						AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
						;;
					*)
						CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
						AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
						AC_DEFINE(_FILE_OFFSET_BITS, 64, [File offset bits])
						;;
				esac
			else
				CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
				AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
				AC_DEFINE(_FILE_OFFSET_BITS, 64, [File offset bits])
			fi
			;;
		esac
		;;
#
# VOS may need to have POSIX support and System V compatibility enabled.
#
    *vos*)
    case "$CPPFLAGS" in
	  *-D_POSIX_C_SOURCE*)
		;;
	  *)
		CPPFLAGS="$CPPFLAGS -D_POSIX_C_SOURCE=199506L"
		AC_DEFINE(_POSIX_C_SOURCE, 199506L, [Whether to enable POSIX support])
		;;
    esac
    case "$CPPFLAGS" in
	  *-D_SYSV*|*-D_SVID_SOURCE*)
		;;
	  *)
		CPPFLAGS="$CPPFLAGS -D_SYSV"
		AC_DEFINE(_SYSV, 1, [Whether to enable System V compatibility])
    esac
    ;;
#
# Tests needed for SINIX large file support.
#
    *sysv4*)
      if test $host = mips-sni-sysv4 ; then
        AC_MSG_CHECKING([for LFS support])
        old_CPPFLAGS="$CPPFLAGS"
        CPPFLAGS="-D_LARGEFILE64_SOURCE $CPPFLAGS"
        AC_TRY_RUN([
#include <unistd.h>
main () {
#if _LFS64_LARGEFILE == 1
exit(0);
#else
exit(1);
#endif
}], [SINIX_LFS_SUPPORT=yes], [SINIX_LFS_SUPPORT=no], [SINIX_LFS_SUPPORT=cross])
        CPPFLAGS="$old_CPPFLAGS"
        if test x$SINIX_LFS_SUPPORT = xyes ; then
          CPPFLAGS="-D_LARGEFILE64_SOURCE $CPPFLAGS"
		  AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
          CFLAGS="`getconf LFS64_CFLAGS` $CFLAGS"
          LDFLAGS="`getconf LFS64_LDFLAGS` $LDFLAGS"
          LIBS="`getconf LFS64_LIBS` $LIBS"
        fi
      AC_MSG_RESULT([$SINIX_LFS_SUPPORT])
      fi
    ;;

# Tests for linux LFS support. Need kernel 2.4 and glibc2.2 or greater support.
#
    *linux*)
        AC_MSG_CHECKING([for LFS support])
        old_CPPFLAGS="$CPPFLAGS"
        CPPFLAGS="-D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE $CPPFLAGS"
       AC_TRY_RUN([
#include <unistd.h>
#include <sys/utsname.h>
#include <string.h>
#include <stdlib.h>
main() {
#if _LFS64_LARGEFILE == 1
       struct utsname uts;
       char *release;
       int major, minor;

       /* Ensure this is glibc 2.2 or higher */
#if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
       int libc_major = __GLIBC__;
       int libc_minor = __GLIBC_MINOR__;

       if (libc_major < 2)
              exit(1);
       if (libc_minor < 2)
              exit(1);
#endif

       /* Ensure this is kernel 2.4 or higher */

       uname(&uts);
       release = uts.release;
       major = atoi(strsep(&release, "."));
       minor = atoi(strsep(&release, "."));

       if (major > 2 || (major == 2 && minor > 3))
               exit(0);
       exit(1);
#else
       exit(1);
#endif
}
], [LINUX_LFS_SUPPORT=yes], [LINUX_LFS_SUPPORT=no], [LINUX_LFS_SUPPORT=cross])
        CPPFLAGS="$old_CPPFLAGS"
        if test x$LINUX_LFS_SUPPORT = xyes ; then
          CPPFLAGS="-D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE $CPPFLAGS"
		  AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
          AC_DEFINE(_FILE_OFFSET_BITS, 64, [File offset bits])
          AC_DEFINE(_GNU_SOURCE, 1, [Whether to use GNU libc extensions])
        fi
       AC_MSG_RESULT([$LINUX_LFS_SUPPORT])
		;;

    *hurd*)
        AC_MSG_CHECKING([for LFS support])
        old_CPPFLAGS="$CPPFLAGS"
        CPPFLAGS="-D_LARGEFILE64_SOURCE -D_GNU_SOURCE $CPPFLAGS"
        AC_TRY_RUN([
#include <unistd.h>
main () {
#if _LFS64_LARGEFILE == 1
exit(0);
#else
exit(1);
#endif
}], [GLIBC_LFS_SUPPORT=yes], [GLIBC_LFS_SUPPORT=no], [GLIBC_LFS_SUPPORT=cross])
        CPPFLAGS="$old_CPPFLAGS"
        if test x$GLIBC_LFS_SUPPORT = xyes ; then
          CPPFLAGS="-D_LARGEFILE64_SOURCE -D_GNU_SOURCE $CPPFLAGS"
		  AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
          AC_DEFINE(_GNU_SOURCE, 1, [Whether to use GNU libc extensions])
        fi
      AC_MSG_RESULT([$GLIBC_LFS_SUPPORT])
    ;;

esac

AC_INLINE
AC_HEADER_STDC
AC_HEADER_DIRENT
AC_HEADER_TIME
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(arpa/inet.h sys/select.h fcntl.h sys/time.h)
AC_CHECK_HEADERS(unistd.h utime.h grp.h sys/id.h limits.h memory.h net/if.h)
AC_CHECK_HEADERS(compat.h rpc/rpc.h rpcsvc/nis.h rpcsvc/yp_prot.h rpcsvc/ypclnt.h)
AC_CHECK_HEADERS(sys/param.h ctype.h sys/wait.h sys/resource.h sys/ioctl.h sys/ipc.h sys/mode.h)
AC_CHECK_HEADERS(sys/mman.h sys/filio.h sys/priv.h sys/shm.h string.h strings.h stdlib.h sys/socket.h)
AC_CHECK_HEADERS(sys/mount.h sys/vfs.h sys/fs/s5param.h sys/filsys.h termios.h termio.h)
AC_CHECK_HEADERS(sys/termio.h sys/statfs.h sys/dustat.h sys/statvfs.h stdarg.h sys/sockio.h)
AC_CHECK_HEADERS(security/pam_modules.h security/_pam_macros.h ldap.h lber.h dlfcn.h)
AC_CHECK_HEADERS(sys/syslog.h syslog.h)

#
# HPUX has a bug in that including shadow.h causes a re-definition of MAXINT.
# This causes configure to fail to detect it. Check for shadow separately on HPUX.
#
case "$host_os" in
    *hpux*)
		AC_TRY_COMPILE([#include <shadow.h>],[struct spwd testme],
			ac_cv_header_shadow_h=yes,ac_cv_header_shadow_h=no)
		if test x"$ac_cv_header_shadow_h" = x"yes"; then
		   AC_DEFINE(HAVE_SHADOW_H,1,[Whether we have shadow.h])
		fi
	;;
esac
AC_CHECK_HEADERS(shadow.h netinet/ip.h netinet/tcp.h netinet/in_systm.h netinet/in_ip.h)
AC_CHECK_HEADERS(nss.h nss_common.h ns_api.h sys/security.h security/pam_appl.h security/pam_modules.h)
AC_CHECK_HEADERS(stropts.h poll.h)
AC_CHECK_HEADERS(sys/capability.h syscall.h sys/syscall.h)
AC_CHECK_HEADERS(sys/acl.h)

AC_CHECK_SIZEOF(int,cross)
AC_CHECK_SIZEOF(long,cross)
AC_CHECK_SIZEOF(short,cross)

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_DIRENT_D_OFF
AC_CHECK_TYPE(ino_t,unsigned)
AC_CHECK_TYPE(loff_t,off_t)
AC_CHECK_TYPE(offset_t,loff_t)
AC_CHECK_TYPE(ssize_t, int)
AC_CHECK_TYPE(wchar_t, unsigned short)
AC_CHECK_TYPE(uint_t, unsigned int)

############################################
# we need dlopen/dlclose/dlsym/dlerror for PAM, the password database plugins and the plugin loading code
AC_SEARCH_LIBS(dlopen, [dl])
# dlopen/dlclose/dlsym/dlerror will be checked again later and defines will be set then

############################################
# check if the compiler can do immediate structures
AC_CACHE_CHECK([for immediate structures],samba_cv_immediate_structures, [
    AC_TRY_COMPILE([
#include <stdio.h>],
[
   typedef struct {unsigned x;} FOOBAR;
   #define X_FOOBAR(x) ((FOOBAR) { x })
   #define FOO_ONE X_FOOBAR(1)
   FOOBAR f = FOO_ONE;   
   static struct {
	FOOBAR y; 
	} f2[] = {
		{FOO_ONE}
	};   
],
	samba_cv_immediate_structures=yes,samba_cv_immediate_structures=no)])
if test x"$samba_cv_immediate_structures" = x"yes"; then
   AC_DEFINE(HAVE_IMMEDIATE_STRUCTURES,1,[Whether the compiler supports immediate structures])
fi

############################################
# check for unix domain sockets
AC_CACHE_CHECK([for unix domain sockets],samba_cv_unixsocket, [
    AC_TRY_COMPILE([
#include <sys/types.h>
#include <stdlib.h>
#include <stddef.h>
#include <sys/socket.h>
#include <sys/un.h>],
[
  struct sockaddr_un sunaddr; 
  sunaddr.sun_family = AF_UNIX;
],
	samba_cv_unixsocket=yes,samba_cv_unixsocket=no)])
if test x"$samba_cv_unixsocket" = x"yes"; then
   AC_DEFINE(HAVE_UNIXSOCKET,1,[If we need to build with unixscoket support])
fi


AC_CACHE_CHECK([for socklen_t type],samba_cv_socklen_t, [
    AC_TRY_COMPILE([
#include <sys/types.h>
#if STDC_HEADERS
#include <stdlib.h>
#include <stddef.h>
#endif
#include <sys/socket.h>],[socklen_t i = 0],
	samba_cv_socklen_t=yes,samba_cv_socklen_t=no)])
if test x"$samba_cv_socklen_t" = x"yes"; then
   AC_DEFINE(HAVE_SOCKLEN_T_TYPE,1,[Whether we have the variable type socklen_t])
fi

AC_CACHE_CHECK([for sig_atomic_t type],samba_cv_sig_atomic_t, [
    AC_TRY_COMPILE([
#include <sys/types.h>
#if STDC_HEADERS
#include <stdlib.h>
#include <stddef.h>
#endif
#include <signal.h>],[sig_atomic_t i = 0],
	samba_cv_sig_atomic_t=yes,samba_cv_sig_atomic_t=no)])
if test x"$samba_cv_sig_atomic_t" = x"yes"; then
   AC_DEFINE(HAVE_SIG_ATOMIC_T_TYPE,1,[Whether we have the atomic_t variable type])
fi

# stupid headers have the functions but no declaration. grrrr.
AC_HAVE_DECL(errno, [#include <errno.h>])
AC_HAVE_DECL(setresuid, [#include <unistd.h>])
AC_HAVE_DECL(setresgid, [#include <unistd.h>])
AC_HAVE_DECL(asprintf, [#include <stdio.h>])
AC_HAVE_DECL(vasprintf, [#include <stdio.h>])
AC_HAVE_DECL(vsnprintf, [#include <stdio.h>])
AC_HAVE_DECL(snprintf, [#include <stdio.h>])

# and glibc has setresuid under linux but the function does
# nothing until kernel 2.1.44! very dumb.
AC_CACHE_CHECK([for real setresuid],samba_cv_have_setresuid,[
    AC_TRY_RUN([#include <errno.h>
main() { setresuid(1,1,1); setresuid(2,2,2); exit(errno==EPERM?0:1);}],
	samba_cv_have_setresuid=yes,samba_cv_have_setresuid=no,samba_cv_have_setresuid=cross)])
if test x"$samba_cv_have_setresuid" = x"yes"; then
    AC_DEFINE(HAVE_SETRESUID,1,[Whether the system has setresuid])
fi

# Do the same check for setresguid...
#
AC_CACHE_CHECK([for real setresgid],samba_cv_have_setresgid,[
    AC_TRY_RUN([#include <unistd.h>
#include <errno.h>
main() { errno = 0; setresgid(1,1,1); exit(errno != 0 ? (errno==EPERM ? 0 : 1) : 0);}],
	samba_cv_have_setresgid=yes,samba_cv_have_setresgid=no,samba_cv_have_setresgid=cross)])
if test x"$samba_cv_have_setresgid" = x"yes"; then
    AC_DEFINE(HAVE_SETRESGID,1,[Whether the system has setresgid])
fi

AC_FUNC_MEMCMP

###############################################
# Readline included by default unless explicitly asked not to
test "${with_readline+set}" != "set" && with_readline=yes

# test for where we get readline() from
AC_MSG_CHECKING(whether to use readline)
AC_ARG_WITH(readline,
[  --with-readline[=DIR]   Look for readline include/libs in DIR (default=auto) ],
[  case "$with_readline" in
  yes)
    AC_MSG_RESULT(yes)

    AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
    AC_CHECK_HEADERS(readline/history.h)

    AC_CHECK_HEADERS(readline.h readline/readline.h,[
      for termlib in ncurses curses termcap terminfo termlib tinfo; do
       AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
      done
      AC_CHECK_LIB(readline, rl_callback_handler_install,
       [TERMLIBS="-lreadline $TERMLIBS"
       AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
       break], [TERMLIBS=], $TERMLIBS)])
    ;;
  no)
    AC_MSG_RESULT(no)
    ;;
  *)
    AC_MSG_RESULT(yes)

    # Needed for AC_CHECK_HEADERS and AC_CHECK_LIB to look at
    # alternate readline path
    _ldflags=${LDFLAGS}
    _cppflags=${CPPFLAGS}

    # Add additional search path
    LDFLAGS="-L$with_readline/lib $LDFLAGS"
    CPPFLAGS="-I$with_readline/include $CPPFLAGS"

    AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
    AC_CHECK_HEADERS(readline/history.h)

    AC_CHECK_HEADERS(readline.h readline/readline.h,[
      for termlib in ncurses curses termcap terminfo termlib; do
       AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
      done
      AC_CHECK_LIB(readline, rl_callback_handler_install,
       [TERMLDFLAGS="-L$with_readline/lib"
       TERMCPPFLAGS="-I$with_readline/include"
       CPPFLAGS="-I$with_readline/include $CPPFLAGS"
       TERMLIBS="-lreadline $TERMLIBS"
       AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
       break], [TERMLIBS= CPPFLAGS=$_cppflags], $TERMLIBS)])

    LDFLAGS=$_ldflags
    ;;
  esac],
  AC_MSG_RESULT(no)
)
AC_SUBST(TERMLIBS)
AC_SUBST(TERMLDFLAGS)

# The readline API changed slightly from readline3 to readline4, so
# code will generate warnings on one of them unless we have a few
# special cases.
AC_CHECK_LIB(readline, rl_completion_matches,
	     [AC_DEFINE(HAVE_NEW_LIBREADLINE, 1, 
			[Do we have rl_completion_matches?])],
	     [],
	     [$TERMLIBS])

# 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_FUNCS(connect)
if test x"$ac_cv_func_connect" = x"no"; then
    case "$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 "$LIBS" in
    *-linet*) ;;
    *) AC_CHECK_LIB(inet, connect) ;;
    esac
    dnl We can't just call AC_CHECK_FUNCS(connect) here, because the value
    dnl has been cached.
    if test x"$ac_cv_lib_socket_connect" = x"yes" || 
       test x"$ac_cv_lib_inet_connect" = x"yes"; then
        # ac_cv_func_connect=yes
        # don't!  it would cause AC_CHECK_FUNC to succeed next time configure is run
        AC_DEFINE(HAVE_CONNECT,1,[Whether the system has connect()])
    fi
fi

###############################################
# test for where we get yp_get_default_domain() from
AC_SEARCH_LIBS(yp_get_default_domain, [nsl])
AC_CHECK_FUNCS(yp_get_default_domain)

# Check if we have execl, if not we need to compile smbrun.
AC_CHECK_FUNCS(execl)
if test x"$ac_cv_func_execl" = x"no"; then
    EXTRA_BIN_PROGS="$EXTRA_BIN_PROGS bin/smbrun\$(EXEEXT)"
fi

AC_CHECK_FUNCS(dlopen dlclose dlsym dlerror waitpid getcwd strdup strndup strnlen strtoul strerror chown fchown chmod fchmod chroot link mknod mknod64)
AC_CHECK_FUNCS(fstat strchr utime utimes getrlimit fsync bzero memset strlcpy strlcat setpgid)
AC_CHECK_FUNCS(memmove vsnprintf snprintf asprintf vasprintf setsid glob strpbrk pipe crypt16 getauthuid)
AC_CHECK_FUNCS(strftime sigprocmask sigblock sigaction sigset innetgr setnetgrent getnetgrent endnetgrent)
AC_CHECK_FUNCS(initgroups select poll rdchk getgrnam getgrent pathconf realpath)
AC_CHECK_FUNCS(setpriv setgidx setuidx setgroups sysconf mktime rename ftruncate stat64 fstat64)
AC_CHECK_FUNCS(lstat64 fopen64 atexit grantpt dup2 lseek64 ftruncate64 readdir64)
AC_CHECK_FUNCS(fseek64 fseeko64 ftell64 ftello64 setluid getpwanam setlinebuf)
AC_CHECK_FUNCS(srandom random srand rand setenv usleep strcasecmp fcvt fcvtl symlink readlink)
AC_CHECK_FUNCS(syslog vsyslog getgrouplist timegm)
# setbuffer, shmget, shm_open are needed for smbtorture
AC_CHECK_FUNCS(setbuffer shmget shm_open)

# syscall() is needed for smbwrapper.
AC_CHECK_FUNCS(syscall)

AC_CHECK_FUNCS(_dup _dup2 _opendir _readdir _seekdir _telldir _closedir)
AC_CHECK_FUNCS(__dup __dup2 __opendir __readdir __seekdir __telldir __closedir)
AC_CHECK_FUNCS(__getcwd _getcwd)
AC_CHECK_FUNCS(__xstat __fxstat __lxstat)
AC_CHECK_FUNCS(_stat _lstat _fstat __stat __lstat __fstat)
AC_CHECK_FUNCS(_acl __acl _facl __facl _open __open _chdir __chdir)
AC_CHECK_FUNCS(_close __close _fchdir __fchdir _fcntl __fcntl)
AC_CHECK_FUNCS(getdents _getdents __getdents _lseek __lseek _read __read)
AC_CHECK_FUNCS(getdirentries _write __write _fork __fork)
AC_CHECK_FUNCS(_stat64 __stat64 _fstat64 __fstat64 _lstat64 __lstat64)
AC_CHECK_FUNCS(__sys_llseek llseek _llseek __llseek readdir64 _readdir64 __readdir64)
AC_CHECK_FUNCS(pread _pread __pread pread64 _pread64 __pread64)
AC_CHECK_FUNCS(pwrite _pwrite __pwrite pwrite64 _pwrite64 __pwrite64)
AC_CHECK_FUNCS(open64 _open64 __open64 creat64)

#
# stat64 family may need <sys/stat.h> on some systems, notably ReliantUNIX
#

if test x$ac_cv_func_stat64 = xno ; then
  AC_MSG_CHECKING([for stat64 in <sys/stat.h>])
  AC_TRY_LINK([
#if defined(HAVE_UNISTD_H)
#include <unistd.h>
#endif
#include <sys/stat.h>
], [struct stat64 st64; exit(stat64(".",&st64));], [ac_cv_func_stat64=yes])
  AC_MSG_RESULT([$ac_cv_func_stat64])
  if test x$ac_cv_func_stat64 = xyes ; then
    AC_DEFINE(HAVE_STAT64,1,[Whether stat64() is available])
  fi
fi

if test x$ac_cv_func_lstat64 = xno ; then
  AC_MSG_CHECKING([for lstat64 in <sys/stat.h>])
  AC_TRY_LINK([
#if defined(HAVE_UNISTD_H)
#include <unistd.h>
#endif
#include <sys/stat.h>
], [struct stat64 st64; exit(lstat64(".",&st64));], [ac_cv_func_lstat64=yes])
  AC_MSG_RESULT([$ac_cv_func_lstat64])
  if test x$ac_cv_func_lstat64 = xyes ; then
    AC_DEFINE(HAVE_LSTAT64,[Whether lstat64() is available])
  fi
fi

if test x$ac_cv_func_fstat64 = xno ; then
  AC_MSG_CHECKING([for fstat64 in <sys/stat.h>])
  AC_TRY_LINK([
#if defined(HAVE_UNISTD_H)
#include <unistd.h>
#endif
#include <sys/stat.h>
], [struct stat64 st64; exit(fstat64(0,&st64));], [ac_cv_func_fstat64=yes])
  AC_MSG_RESULT([$ac_cv_func_fstat64])
  if test x$ac_cv_func_fstat64 = xyes ; then
    AC_DEFINE(HAVE_FSTAT64,1,[Whether fstat64() is available])
  fi
fi

#####################################
# we might need the resolv library on some systems
AC_CHECK_LIB(resolv, dn_expand)

#
# Check for the functions putprpwnam, set_auth_parameters,
# getspnam, bigcrypt and getprpwnam in -lsec and -lsecurity
# Needed for OSF1 and HPUX.
#

AC_LIBTESTFUNC(security, putprpwnam)
AC_LIBTESTFUNC(sec, putprpwnam)

AC_LIBTESTFUNC(security, set_auth_parameters)
AC_LIBTESTFUNC(sec, set_auth_parameters)

# UnixWare 7.x has its getspnam in -lgen
AC_LIBTESTFUNC(gen, getspnam)

AC_LIBTESTFUNC(security, getspnam)
AC_LIBTESTFUNC(sec, getspnam)

AC_LIBTESTFUNC(security, bigcrypt)
AC_LIBTESTFUNC(sec, bigcrypt)

AC_LIBTESTFUNC(security, getprpwnam)
AC_LIBTESTFUNC(sec, getprpwnam)

# Assume non-shared by default and override below
BLDSHARED="false"

# these are the defaults, good for lots of systems
HOST_OS="$host_os"
LDSHFLAGS="-shared"
SONAMEFLAG="#"
SHLD="\${CC}"
PICFLAG=""
PICSUFFIX="po"
POBAD_CC="#"
SHLIBEXT="so"

if test "$enable_shared" = "yes"; then
  # this bit needs to be modified for each OS that is suported by
  # smbwrapper. You need to specify how to created a shared library and
  # how to compile C code to produce PIC object files

  AC_MSG_CHECKING([ability to build shared libraries])

  # and these are for particular systems
  case "$host_os" in
		*linux*)   AC_DEFINE(LINUX,1,[Whether the host os is linux])
			BLDSHARED="true"
			LDSHFLAGS="-shared" 
			DYNEXP="-Wl,--export-dynamic"
			PICFLAG="-fPIC"
			SONAMEFLAG="-Wl,-soname="
			AC_DEFINE(STAT_ST_BLOCKSIZE,512)
			;;
		*solaris*) AC_DEFINE(SUNOS5,1,[Whether the host os is solaris])
			BLDSHARED="true"
			LDSHFLAGS="-G"
			SONAMEFLAG="-h "
			if test "${GCC}" = "yes"; then
				PICFLAG="-fPIC"
				if test "${ac_cv_prog_gnu_ld}" = "yes"; then
					DYNEXP="-Wl,-E"
				fi
			else
				PICFLAG="-KPIC"
				## ${CFLAGS} added for building 64-bit shared 
				## libs using Sun's Compiler
				LDSHFLAGS="-G \${CFLAGS}"
				POBAD_CC=""
				PICSUFFIX="po.o"
			fi
			AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
			;;
		*sunos*) AC_DEFINE(SUNOS4,1,[Whether the host os is sunos4])
			BLDSHARED="true"
			LDSHFLAGS="-G"
			SONAMEFLAG="-Wl,-h,"
			PICFLAG="-KPIC"   # Is this correct for SunOS
			AC_DEFINE(STAT_ST_BLOCKSIZE,512)
			;;
		*netbsd* | *freebsd*)  BLDSHARED="true"
			LDSHFLAGS="-shared"
			DYNEXP="-Wl,--export-dynamic"
			SONAMEFLAG="-Wl,-soname,"
			PICFLAG="-fPIC -DPIC"
			AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
			;;
		*openbsd*)  BLDSHARED="true"
			LDSHFLAGS="-shared"
			DYNEXP="-Wl,-Bdynamic"
			SONAMEFLAG="-Wl,-soname,"
			PICFLAG="-fPIC"
			AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
			;;
		*irix*) AC_DEFINE(IRIX,1,[Whether the host os is irix])
			case "$host_os" in
			*irix6*) AC_DEFINE(IRIX6,1,[Whether the host os is irix6])
			;;
			esac
			ATTEMPT_WRAP32_BUILD=yes
			BLDSHARED="true"
			LDSHFLAGS="-set_version sgi1.0 -shared"
			SONAMEFLAG="-soname "
			SHLD="\${LD}"
			if test "${GCC}" = "yes"; then
				PICFLAG="-fPIC"
			else 
				PICFLAG="-KPIC"
			fi
			AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
			;;
		*aix*) AC_DEFINE(AIX,1,[Whether the host os is aix])
			BLDSHARED="true"
			LDSHFLAGS="-Wl,-bexpall,-bM:SRE,-bnoentry"
			DYNEXP="-Wl,-brtl,-bexpall"
			PICFLAG="-O2"
			if test "${GCC}" != "yes"; then
				## for funky AIX compiler using strncpy()
				CFLAGS="$CFLAGS -D_LINUX_SOURCE_COMPAT -qmaxmem=32000"
			fi

			AC_DEFINE(STAT_ST_BLOCKSIZE,DEV_BSIZE,[The size of a block])
			;;
		*hpux*) AC_DEFINE(HPUX,1,[Whether the host os is HPUX])
			SHLIBEXT="sl"
			# Use special PIC flags for the native HP-UX compiler.
			if test $ac_cv_prog_cc_Ae = yes; then
				BLDSHARED="true"
				SHLD="/usr/bin/ld"
				LDSHFLAGS="-B symbolic -b -z"
				SONAMEFLAG="+h "
				PICFLAG="+z"
			fi
			DYNEXP="-Wl,-E"
			AC_DEFINE(STAT_ST_BLOCKSIZE,8192,[The size of a block])
			;;
		*qnx*) AC_DEFINE(QNX,1,[Whether the host os is qnx])
			AC_DEFINE(STAT_ST_BLOCKSIZE,512)
			;;
		*osf*) AC_DEFINE(OSF1,1,[Whether the host os is osf1])
			BLDSHARED="true"
			LDSHFLAGS="-shared"
			SONAMEFLAG="-Wl,-soname,"
			PICFLAG="-fPIC"
			AC_DEFINE(STAT_ST_BLOCKSIZE,512)
			;;
		*sco*) AC_DEFINE(SCO,1,[Whether the host os is sco unix])
			AC_DEFINE(STAT_ST_BLOCKSIZE,512)
			;;
		*unixware*) AC_DEFINE(UNIXWARE,1,[Whether the host os is unixware])
			BLDSHARED="true"
			LDSHFLAGS="-shared"
			SONAMEFLAG="-Wl,-soname,"
			PICFLAG="-KPIC"
			AC_DEFINE(STAT_ST_BLOCKSIZE,512)
			;;
		*next2*) AC_DEFINE(NEXT2,1,[Whether the host os is NeXT v2])
			AC_DEFINE(STAT_ST_BLOCKSIZE,512)
			;;
		*dgux*) AC_CHECK_PROG( ROFF, groff, [groff -etpsR -Tascii -man])
			AC_DEFINE(STAT_ST_BLOCKSIZE,512)
			;;
		*sysv4*) AC_DEFINE(SYSV,1,[Whether this is a system V system])
			case "$host" in
				*-univel-*)     if [ test "$GCC" != yes ]; then
						AC_DEFINE(HAVE_MEMSET,1,[Whether memset() is available])
					fi
					LDSHFLAGS="-G"
                             		DYNEXP="-Bexport"
				;;
				*mips-sni-sysv4*) AC_DEFINE(RELIANTUNIX,1,[Whether the host os is reliantunix]);;
			esac
			AC_DEFINE(STAT_ST_BLOCKSIZE,512)
			;;

		*sysv5*) AC_DEFINE(SYSV,1,[Whether this is a system V system])
			if [ test "$GCC" != yes ]; then
				AC_DEFINE(HAVE_MEMSET,1,[Whether memset() is available])
			fi
			LDSHFLAGS="-G"
			AC_DEFINE(STAT_ST_BLOCKSIZE,512)
			;;
		*vos*) AC_DEFINE(STAT_ST_BLOCKSIZE,4096)
			BLDSHARED="false"
			LDSHFLAGS=""
			;;
		*)
			AC_DEFINE(STAT_ST_BLOCKSIZE,512)
			;;
  esac
  AC_SUBST(DYNEXP)
  AC_MSG_RESULT($BLDSHARED)
  AC_MSG_CHECKING([linker flags for shared libraries])
  AC_MSG_RESULT([$LDSHFLAGS])
  AC_MSG_CHECKING([compiler flags for position-independent code])
  AC_MSG_RESULT([$PICFLAGS])
fi

#######################################################
# test whether building a shared library actually works
if test $BLDSHARED = true; then
AC_CACHE_CHECK([whether building shared libraries actually works], 
               [ac_cv_shlib_works],[
   ac_cv_shlib_works=no
   # try building a trivial shared library
   if test "$PICSUFFIX" = "po"; then
     $CC $CPPFLAGS $CFLAGS $PICFLAG -c -o shlib.po ${srcdir-.}/tests/shlib.c &&
       $CC $CPPFLAGS $CFLAGS `eval echo $LDSHFLAGS` -o shlib.so shlib.po &&
       ac_cv_shlib_works=yes
   else
     $CC $CPPFLAGS $CFLAGS $PICFLAG -c -o shlib.$PICSUFFIX ${srcdir-.}/tests/shlib.c &&
       mv shlib.$PICSUFFIX shlib.po &&
       $CC $CPPFLAGS $CFLAGS `eval echo $LDSHFLAGS` -o shlib.so shlib.po &&
       ac_cv_shlib_works=yes
   fi
   rm -f shlib.so shlib.po
])
if test $ac_cv_shlib_works = no; then
   BLDSHARED=false
fi
fi

################

AC_CACHE_CHECK([for long long],samba_cv_have_longlong,[
AC_TRY_RUN([#include <stdio.h>
main() { long long x = 1000000; x *= x; exit(((x/1000000) == 1000000)? 0: 1); }],
samba_cv_have_longlong=yes,samba_cv_have_longlong=no,samba_cv_have_longlong=cross)])
if test x"$samba_cv_have_longlong" = x"yes"; then
    AC_DEFINE(HAVE_LONGLONG,1,[Whether the host supports long long's])
fi

#
# Check if the compiler supports the LL prefix on long long integers.
# AIX needs this.

AC_CACHE_CHECK([for LL suffix on long long integers],samba_cv_compiler_supports_ll, [
    AC_TRY_COMPILE([#include <stdio.h>],[long long i = 0x8000000000LL],
	samba_cv_compiler_supports_ll=yes,samba_cv_compiler_supports_ll=no)])
if test x"$samba_cv_compiler_supports_ll" = x"yes"; then
   AC_DEFINE(COMPILER_SUPPORTS_LL,1,[Whether the compiler supports the LL prefix on long long integers])
fi

  
AC_CACHE_CHECK([for 64 bit off_t],samba_cv_SIZEOF_OFF_T,[
AC_TRY_RUN([#include <stdio.h>
#include <sys/stat.h>
main() { exit((sizeof(off_t) == 8) ? 0 : 1); }],
samba_cv_SIZEOF_OFF_T=yes,samba_cv_SIZEOF_OFF_T=no,samba_cv_SIZEOF_OFF_T=cross)])
if test x"$samba_cv_SIZEOF_OFF_T" = x"yes"; then
    AC_DEFINE(SIZEOF_OFF_T,8,[The size of the 'off_t' type])
fi

AC_CACHE_CHECK([for off64_t],samba_cv_HAVE_OFF64_T,[
AC_TRY_RUN([
#if defined(HAVE_UNISTD_H)
#include <unistd.h>
#endif
#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); }],
samba_cv_HAVE_OFF64_T=yes,samba_cv_HAVE_OFF64_T=no,samba_cv_HAVE_OFF64_T=cross)])
if test x"$samba_cv_HAVE_OFF64_T" = x"yes"; then
    AC_DEFINE(HAVE_OFF64_T,1,[Whether off64_t is available])
fi

AC_CACHE_CHECK([for 64 bit ino_t],samba_cv_SIZEOF_INO_T,[
AC_TRY_RUN([#include <stdio.h>
#include <sys/stat.h>
main() { exit((sizeof(ino_t) == 8) ? 0 : 1); }],
samba_cv_SIZEOF_INO_T=yes,samba_cv_SIZEOF_INO_T=no,samba_cv_SIZEOF_INO_T=cross)])
if test x"$samba_cv_SIZEOF_INO_T" = x"yes"; then
    AC_DEFINE(SIZEOF_INO_T,8,[The size of the 'ino_t' type])
fi

AC_CACHE_CHECK([for ino64_t],samba_cv_HAVE_INO64_T,[
AC_TRY_RUN([
#if defined(HAVE_UNISTD_H)
#include <unistd.h>
#endif
#include <stdio.h>
#include <sys/stat.h>
main() { struct stat64 st; ino64_t s; if (sizeof(ino_t) == sizeof(ino64_t)) exit(1); exit((lstat64("/dev/null", &st)==0)?0:1); }],
samba_cv_HAVE_INO64_T=yes,samba_cv_HAVE_INO64_T=no,samba_cv_HAVE_INO64_T=cross)])
if test x"$samba_cv_HAVE_INO64_T" = x"yes"; then
    AC_DEFINE(HAVE_INO64_T,1,[Whether the 'ino64_t' type is available])
fi

AC_CACHE_CHECK([for dev64_t],samba_cv_HAVE_DEV64_T,[
AC_TRY_RUN([
#if defined(HAVE_UNISTD_H)
#include <unistd.h>
#endif
#include <stdio.h>
#include <sys/stat.h>
main() { struct stat64 st; dev64_t s; if (sizeof(dev_t) == sizeof(dev64_t)) exit(1); exit((lstat64("/dev/null", &st)==0)?0:1); }],
samba_cv_HAVE_DEV64_T=yes,samba_cv_HAVE_DEV64_T=no,samba_cv_HAVE_DEV64_T=cross)])
if test x"$samba_cv_HAVE_DEV64_T" = x"yes"; then
    AC_DEFINE(HAVE_DEV64_T,1,[Whether the 'dev64_t' type is available])
fi

AC_CACHE_CHECK([for struct dirent64],samba_cv_HAVE_STRUCT_DIRENT64,[
AC_TRY_COMPILE([
#if defined(HAVE_UNISTD_H)
#include <unistd.h>
#endif
#include <sys/types.h>
#include <dirent.h>],
[struct dirent64 de;],
samba_cv_HAVE_STRUCT_DIRENT64=yes,samba_cv_HAVE_STRUCT_DIRENT64=no)])
if test x"$samba_cv_HAVE_STRUCT_DIRENT64" = x"yes" && test x"$ac_cv_func_readdir64" = x"yes"; then
    AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Whether the 'dirent64' struct is available])
fi

AC_CACHE_CHECK([for major macro],samba_cv_HAVE_DEVICE_MAJOR_FN,[
AC_TRY_RUN([
#if defined(HAVE_UNISTD_H)
#include <unistd.h>
#endif
#include <sys/types.h>
main() { dev_t dev; int i = major(dev); return 0; }],
samba_cv_HAVE_DEVICE_MAJOR_FN=yes,samba_cv_HAVE_DEVICE_MAJOR_FN=no,samba_cv_HAVE_DEVICE_MAJOR_FN=cross)])
if test x"$samba_cv_HAVE_DEVICE_MAJOR_FN" = x"yes"; then
    AC_DEFINE(HAVE_DEVICE_MAJOR_FN,1,[Whether the major macro for dev_t is available])
fi

AC_CACHE_CHECK([for minor macro],samba_cv_HAVE_DEVICE_MINOR_FN,[
AC_TRY_RUN([
#if defined(HAVE_UNISTD_H)
#include <unistd.h>
#endif
#include <sys/types.h>
main() { dev_t dev; int i = minor(dev); return 0; }],
samba_cv_HAVE_DEVICE_MINOR_FN=yes,samba_cv_HAVE_DEVICE_MINOR_FN=no,samba_cv_HAVE_DEVICE_MINOR_FN=cross)])
if test x"$samba_cv_HAVE_DEVICE_MINOR_FN" = x"yes"; then
    AC_DEFINE(HAVE_DEVICE_MINOR_FN,1,[Whether the minor macro for dev_t is available])
fi

AC_CACHE_CHECK([for unsigned char],samba_cv_HAVE_UNSIGNED_CHAR,[
AC_TRY_RUN([#include <stdio.h>
main() { char c; c=250; exit((c > 0)?0:1); }],
samba_cv_HAVE_UNSIGNED_CHAR=yes,samba_cv_HAVE_UNSIGNED_CHAR=no,samba_cv_HAVE_UNSIGNED_CHAR=cross)])
if test x"$samba_cv_HAVE_UNSIGNED_CHAR" = x"yes"; then
    AC_DEFINE(HAVE_UNSIGNED_CHAR,1,[Whether the 'unsigned char' type is available])
fi

AC_CACHE_CHECK([for sin_len in sock],samba_cv_HAVE_SOCK_SIN_LEN,[
AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>],
[struct sockaddr_in sock; sock.sin_len = sizeof(sock);],
samba_cv_HAVE_SOCK_SIN_LEN=yes,samba_cv_HAVE_SOCK_SIN_LEN=no)])
if test x"$samba_cv_HAVE_SOCK_SIN_LEN" = x"yes"; then
    AC_DEFINE(HAVE_SOCK_SIN_LEN,1,[Whether the sockaddr_in struct has a sin_len property])
fi

AC_CACHE_CHECK([whether seekdir returns void],samba_cv_SEEKDIR_RETURNS_VOID,[
AC_TRY_COMPILE([#include <sys/types.h>
#include <dirent.h>
void seekdir(DIR *d, long loc) { return; }],[return 0;],
samba_cv_SEEKDIR_RETURNS_VOID=yes,samba_cv_SEEKDIR_RETURNS_VOID=no)])
if test x"$samba_cv_SEEKDIR_RETURNS_VOID" = x"yes"; then
    AC_DEFINE(SEEKDIR_RETURNS_VOID,1,[Whether seekdir returns void])
fi

AC_CACHE_CHECK([for __FUNCTION__ macro],samba_cv_HAVE_FUNCTION_MACRO,[
AC_TRY_COMPILE([#include <stdio.h>], [printf("%s\n", __FUNCTION__);],
samba_cv_HAVE_FUNCTION_MACRO=yes,samba_cv_HAVE_FUNCTION_MACRO=no)])
if test x"$samba_cv_HAVE_FUNCTION_MACRO" = x"yes"; then
    AC_DEFINE(HAVE_FUNCTION_MACRO,1,[Whether there is a __FUNCTION__ macro])
fi

AC_CACHE_CHECK([if gettimeofday takes tz argument],samba_cv_HAVE_GETTIMEOFDAY_TZ,[
AC_TRY_RUN([
#include <sys/time.h>
#include <unistd.h>
main() { struct timeval tv; exit(gettimeofday(&tv, NULL));}],
           samba_cv_HAVE_GETTIMEOFDAY_TZ=yes,samba_cv_HAVE_GETTIMEOFDAY_TZ=no,samba_cv_HAVE_GETTIMEOFDAY_TZ=cross)])
if test x"$samba_cv_HAVE_GETTIMEOFDAY_TZ" = x"yes"; then
    AC_DEFINE(HAVE_GETTIMEOFDAY_TZ,1,[Whether gettimeofday() is available])
fi

AC_CACHE_CHECK([for __va_copy],samba_cv_HAVE_VA_COPY,[
AC_TRY_LINK([#include <stdarg.h>
va_list ap1,ap2;], [__va_copy(ap1,ap2);],
samba_cv_HAVE_VA_COPY=yes,samba_cv_HAVE_VA_COPY=no)])
if test x"$samba_cv_HAVE_VA_COPY" = x"yes"; then
    AC_DEFINE(HAVE_VA_COPY,1,[Whether __va_copy() is available])
fi

AC_CACHE_CHECK([for C99 vsnprintf],samba_cv_HAVE_C99_VSNPRINTF,[
AC_TRY_RUN([
#include <sys/types.h>
#include <stdarg.h>
void foo(const char *format, ...) { 
       va_list ap;
       int len;
       char buf[5];

       va_start(ap, format);
       len = vsnprintf(buf, 0, format, ap);
       va_end(ap);
       if (len != 5) exit(1);

       va_start(ap, format);
       len = vsnprintf(0, 0, format, ap);
       va_end(ap);
       if (len != 5) exit(1);

       if (snprintf(buf, 3, "hello") != 5 || strcmp(buf, "he") != 0) exit(1);

       exit(0);
}
main() { foo("hello"); }
],
samba_cv_HAVE_C99_VSNPRINTF=yes,samba_cv_HAVE_C99_VSNPRINTF=no,samba_cv_HAVE_C99_VSNPRINTF=cross)])
if test x"$samba_cv_HAVE_C99_VSNPRINTF" = x"yes"; then
    AC_DEFINE(HAVE_C99_VSNPRINTF,1,[Whether there is a C99 compliant vsnprintf])
fi

AC_CACHE_CHECK([for broken readdir],samba_cv_HAVE_BROKEN_READDIR,[
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);} ],
samba_cv_HAVE_BROKEN_READDIR=yes,samba_cv_HAVE_BROKEN_READDIR=no,samba_cv_HAVE_BROKEN_READDIR=cross)])
if test x"$samba_cv_HAVE_BROKEN_READDIR" = x"yes"; then
    AC_DEFINE(HAVE_BROKEN_READDIR,1,[Whether readdir() is broken])
fi

AC_CACHE_CHECK([for utimbuf],samba_cv_HAVE_UTIMBUF,[
AC_TRY_COMPILE([#include <sys/types.h>
#include <utime.h>],
[struct utimbuf tbuf;  tbuf.actime = 0; tbuf.modtime = 1; exit(utime("foo.c",&tbuf));],
samba_cv_HAVE_UTIMBUF=yes,samba_cv_HAVE_UTIMBUF=no,samba_cv_HAVE_UTIMBUF=cross)])
if test x"$samba_cv_HAVE_UTIMBUF" = x"yes"; then
    AC_DEFINE(HAVE_UTIMBUF,1,[Whether struct utimbuf is available])
fi

dnl  utmp and utmpx come in many flavours
dnl  We need to check for many of them
dnl  But we don't need to do each and every one, because our code uses
dnl  mostly just the utmp (not utmpx) fields.

AC_CHECK_FUNCS(pututline pututxline updwtmp updwtmpx getutmpx)

AC_CACHE_CHECK([for ut_name in utmp],samba_cv_HAVE_UT_UT_NAME,[
AC_TRY_COMPILE([#include <sys/types.h>
#include <utmp.h>],
[struct utmp ut;  ut.ut_name[0] = 'a';],
samba_cv_HAVE_UT_UT_NAME=yes,samba_cv_HAVE_UT_UT_NAME=no,samba_cv_HAVE_UT_UT_NAME=cross)])
if test x"$samba_cv_HAVE_UT_UT_NAME" = x"yes"; then
    AC_DEFINE(HAVE_UT_UT_NAME,1,[Whether the utmp struct has a property ut_name])
fi 

AC_CACHE_CHECK([for ut_user in utmp],samba_cv_HAVE_UT_UT_USER,[
AC_TRY_COMPILE([#include <sys/types.h>
#include <utmp.h>],
[struct utmp ut;  ut.ut_user[0] = 'a';],
samba_cv_HAVE_UT_UT_USER=yes,samba_cv_HAVE_UT_UT_USER=no,samba_cv_HAVE_UT_UT_USER=cross)])
if test x"$samba_cv_HAVE_UT_UT_USER" = x"yes"; then
    AC_DEFINE(HAVE_UT_UT_USER,1,[Whether the utmp struct has a property ut_user])
fi 

AC_CACHE_CHECK([for ut_id in utmp],samba_cv_HAVE_UT_UT_ID,[
AC_TRY_COMPILE([#include <sys/types.h>
#include <utmp.h>],
[struct utmp ut;  ut.ut_id[0] = 'a';],
samba_cv_HAVE_UT_UT_ID=yes,samba_cv_HAVE_UT_UT_ID=no,samba_cv_HAVE_UT_UT_ID=cross)])
if test x"$samba_cv_HAVE_UT_UT_ID" = x"yes"; then
    AC_DEFINE(HAVE_UT_UT_ID,1,[Whether the utmp struct has a property ut_id])
fi 

AC_CACHE_CHECK([for ut_host in utmp],samba_cv_HAVE_UT_UT_HOST,[
AC_TRY_COMPILE([#include <sys/types.h>
#include <utmp.h>],
[struct utmp ut;  ut.ut_host[0] = 'a';],
samba_cv_HAVE_UT_UT_HOST=yes,samba_cv_HAVE_UT_UT_HOST=no,samba_cv_HAVE_UT_UT_HOST=cross)])
if test x"$samba_cv_HAVE_UT_UT_HOST" = x"yes"; then
    AC_DEFINE(HAVE_UT_UT_HOST,1,[Whether the utmp struct has a property ut_host])
fi 

AC_CACHE_CHECK([for ut_time in utmp],samba_cv_HAVE_UT_UT_TIME,[
AC_TRY_COMPILE([#include <sys/types.h>
#include <utmp.h>],
[struct utmp ut;  time_t t; ut.ut_time = t;],
samba_cv_HAVE_UT_UT_TIME=yes,samba_cv_HAVE_UT_UT_TIME=no,samba_cv_HAVE_UT_UT_TIME=cross)])
if test x"$samba_cv_HAVE_UT_UT_TIME" = x"yes"; then
    AC_DEFINE(HAVE_UT_UT_TIME,1,[Whether the utmp struct has a property ut_time])
fi 

AC_CACHE_CHECK([for ut_tv in utmp],samba_cv_HAVE_UT_UT_TV,[
AC_TRY_COMPILE([#include <sys/types.h>
#include <utmp.h>],
[struct utmp ut;  struct timeval tv; ut.ut_tv = tv;],
samba_cv_HAVE_UT_UT_TV=yes,samba_cv_HAVE_UT_UT_TV=no,samba_cv_HAVE_UT_UT_TV=cross)])
if test x"$samba_cv_HAVE_UT_UT_TV" = x"yes"; then
    AC_DEFINE(HAVE_UT_UT_TV,1,[Whether the utmp struct has a property ut_tv])
fi 

AC_CACHE_CHECK([for ut_type in utmp],samba_cv_HAVE_UT_UT_TYPE,[
AC_TRY_COMPILE([#include <sys/types.h>
#include <utmp.h>],
[struct utmp ut;  ut.ut_type = 0;],
samba_cv_HAVE_UT_UT_TYPE=yes,samba_cv_HAVE_UT_UT_TYPE=no,samba_cv_HAVE_UT_UT_TYPE=cross)])
if test x"$samba_cv_HAVE_UT_UT_TYPE" = x"yes"; then
    AC_DEFINE(HAVE_UT_UT_TYPE,1,[Whether the utmp struct has a property ut_type])
fi 

AC_CACHE_CHECK([for ut_pid in utmp],samba_cv_HAVE_UT_UT_PID,[
AC_TRY_COMPILE([#include <sys/types.h>
#include <utmp.h>],
[struct utmp ut;  ut.ut_pid = 0;],
samba_cv_HAVE_UT_UT_PID=yes,samba_cv_HAVE_UT_UT_PID=no,samba_cv_HAVE_UT_UT_PID=cross)])
if test x"$samba_cv_HAVE_UT_UT_PID" = x"yes"; then
    AC_DEFINE(HAVE_UT_UT_PID,1,[Whether the utmp struct has a property ut_pid])
fi 

AC_CACHE_CHECK([for ut_exit in utmp],samba_cv_HAVE_UT_UT_EXIT,[
AC_TRY_COMPILE([#include <sys/types.h>
#include <utmp.h>],
[struct utmp ut;  ut.ut_exit.e_exit = 0;],
samba_cv_HAVE_UT_UT_EXIT=yes,samba_cv_HAVE_UT_UT_EXIT=no,samba_cv_HAVE_UT_UT_EXIT=cross)])
if test x"$samba_cv_HAVE_UT_UT_EXIT" = x"yes"; then
    AC_DEFINE(HAVE_UT_UT_EXIT,1,[Whether the utmp struct has a property ut_exit])
fi 

AC_CACHE_CHECK([for ut_addr in utmp],samba_cv_HAVE_UT_UT_ADDR,[
AC_TRY_COMPILE([#include <sys/types.h>
#include <utmp.h>],
[struct utmp ut;  ut.ut_addr = 0;],
samba_cv_HAVE_UT_UT_ADDR=yes,samba_cv_HAVE_UT_UT_ADDR=no,samba_cv_HAVE_UT_UT_ADDR=cross)])
if test x"$samba_cv_HAVE_UT_UT_ADDR" = x"yes"; then
    AC_DEFINE(HAVE_UT_UT_ADDR,1,[Whether the utmp struct has a property ut_addr])
fi 

if test x$ac_cv_func_pututline = xyes ; then
  AC_CACHE_CHECK([whether pututline returns pointer],samba_cv_PUTUTLINE_RETURNS_UTMP,[
  AC_TRY_COMPILE([#include <sys/types.h>
#include <utmp.h>],
  [struct utmp utarg; struct utmp *utreturn; utreturn = pututline(&utarg);],
  samba_cv_PUTUTLINE_RETURNS_UTMP=yes,samba_cv_PUTUTLINE_RETURNS_UTMP=no)])
  if test x"$samba_cv_PUTUTLINE_RETURNS_UTMP" = x"yes"; then
      AC_DEFINE(PUTUTLINE_RETURNS_UTMP,1,[Whether pututline returns pointer])
  fi
fi

AC_CACHE_CHECK([for ut_syslen in utmpx],samba_cv_HAVE_UX_UT_SYSLEN,[
AC_TRY_COMPILE([#include <sys/types.h>
#include <utmpx.h>],
[struct utmpx ux;  ux.ut_syslen = 0;],
samba_cv_HAVE_UX_UT_SYSLEN=yes,samba_cv_HAVE_UX_UT_SYSLEN=no,samba_cv_HAVE_UX_UT_SYSLEN=cross)])
if test x"$samba_cv_HAVE_UX_UT_SYSLEN" = x"yes"; then
    AC_DEFINE(HAVE_UX_UT_SYSLEN,1,[Whether the utmpx struct has a property ut_syslen])
fi 


ICONV_LOCATION=standard
LOOK_DIRS="/usr /usr/local /sw"
AC_ARG_WITH(libiconv,
[  --with-libiconv=BASEDIR Use libiconv in BASEDIR/lib and BASEDIR/include (default=auto) ],
[
  if test "$withval" = "no" ; then
    AC_MSG_ERROR(I won't take no for an answer)
  else
     if test "$withval" != "yes" ; then
        LOOK_DIRS="$withval $LOOK_DIRS"
     fi
  fi
])

ICONV_FOUND="no"
for i in $LOOK_DIRS ; do
    save_LIBS=$LIBS
    save_LDFLAGS=$LDFLAGS
    save_CPPFLAGS=$CPPFLAGS
    CPPFLAGS="-I$i/include"
    LDFLAGS="-L$i/lib"
    LIBS=
    export LDFLAGS LIBS CPPFLAGS
dnl Try to find iconv(3)
    jm_ICONV($i)

    CPPFLAGS=$save_CPPFLAGS
    if test -n "$ICONV_FOUND" ; then
        LDFLAGS=$save_LDFLAGS
        LIB_ADD_DIR(LDFLAGS, "$i/lib")
        CFLAGS_ADD_DIR(CPPFLAGS, "$i/include")
        LIBS="$save_LIBS $LIBS"
        ICONV_LOCATION=$i
        export LDFLAGS LIBS CPPFLAGS
        break
    else
	LDFLAGS=$save_LDFLAGS
        LIBS=$save_LIBS
        export LDFLAGS LIBS CPPFLAGS
    fi
done

############
# check for iconv in libc
AC_CACHE_CHECK([for working iconv],samba_cv_HAVE_NATIVE_ICONV,[
AC_TRY_RUN([
#include <iconv.h>
main() {
       iconv_t cd = iconv_open("ASCII", "UCS-2LE");
       if (cd == 0 || cd == (iconv_t)-1) return -1;
       return 0;
}
],
samba_cv_HAVE_NATIVE_ICONV=yes,samba_cv_HAVE_NATIVE_ICONV=no,samba_cv_HAVE_NATIVE_ICONV=cross)])
if test x"$samba_cv_HAVE_NATIVE_ICONV" = x"yes"; then
    AC_DEFINE(HAVE_NATIVE_ICONV,1,[Whether to use native iconv])
fi

if test x"$ICONV_FOUND" = x"no" -o x"$samba_cv_HAVE_NATIVE_ICONV" != x"yes" ; then
    AC_MSG_WARN([Sufficient support for iconv function was not found. 
    Install libiconv from http://freshmeat.net/projects/libiconv/ for better charset compatibility!])
fi


AC_CACHE_CHECK([for Linux kernel oplocks],samba_cv_HAVE_KERNEL_OPLOCKS_LINUX,[
AC_TRY_RUN([
#include <sys/types.h>
#include <fcntl.h>
#ifndef F_GETLEASE
#define F_GETLEASE	1025
#endif
main() {
       int fd = open("/dev/null", O_RDONLY);
       return fcntl(fd, F_GETLEASE, 0) == -1;
}
],
samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=no,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=cross)])
if test x"$samba_cv_HAVE_KERNEL_OPLOCKS_LINUX" = x"yes"; then
    AC_DEFINE(HAVE_KERNEL_OPLOCKS_LINUX,1,[Whether to use linux kernel oplocks])
fi

AC_CACHE_CHECK([for kernel change notify support],samba_cv_HAVE_KERNEL_CHANGE_NOTIFY,[
AC_TRY_RUN([
#include <sys/types.h>
#include <fcntl.h>
#include <signal.h>
#ifndef F_NOTIFY
#define F_NOTIFY 1026
#endif
main() {
       	exit(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
}
],
samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=yes,samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=no,samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=cross)])
if test x"$samba_cv_HAVE_KERNEL_CHANGE_NOTIFY" = x"yes"; then
    AC_DEFINE(HAVE_KERNEL_CHANGE_NOTIFY,1,[Whether kernel notifies changes])
fi

AC_CACHE_CHECK([for kernel share modes],samba_cv_HAVE_KERNEL_SHARE_MODES,[
AC_TRY_RUN([
#include <sys/types.h>
#include <fcntl.h>
#include <signal.h>
#include <sys/file.h>
#ifndef LOCK_MAND
#define LOCK_MAND	32
#define LOCK_READ	64
#endif
main() {
       	exit(flock(open("/dev/null", O_RDWR), LOCK_MAND|LOCK_READ) != 0);
}
],
samba_cv_HAVE_KERNEL_SHARE_MODES=yes,samba_cv_HAVE_KERNEL_SHARE_MODES=no,samba_cv_HAVE_KERNEL_SHARE_MODES=cross)])
if test x"$samba_cv_HAVE_KERNEL_SHARE_MODES" = x"yes"; then
    AC_DEFINE(HAVE_KERNEL_SHARE_MODES,1,[Whether the kernel supports share modes])
fi




AC_CACHE_CHECK([for IRIX kernel oplock type definitions],samba_cv_HAVE_KERNEL_OPLOCKS_IRIX,[
AC_TRY_COMPILE([#include <sys/types.h>
#include <fcntl.h>],
[oplock_stat_t t; t.os_state = OP_REVOKE; t.os_dev = 1; t.os_ino = 1;],
samba_cv_HAVE_KERNEL_OPLOCKS_IRIX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_IRIX=no)])
if test x"$samba_cv_HAVE_KERNEL_OPLOCKS_IRIX" = x"yes"; then
    AC_DEFINE(HAVE_KERNEL_OPLOCKS_IRIX,1,[Whether IRIX kernel oplock type definitions are available])
fi

AC_CACHE_CHECK([for irix specific capabilities],samba_cv_HAVE_IRIX_SPECIFIC_CAPABILITIES,[
AC_TRY_RUN([#include <sys/types.h>
#include <sys/capability.h>
main() {
 cap_t cap;
 if ((cap = cap_get_proc()) == NULL)
   exit(1);
 cap->cap_effective |= CAP_NETWORK_MGT;
 cap->cap_inheritable |= CAP_NETWORK_MGT;
 cap_set_proc(cap);
 exit(0);
}
],
samba_cv_HAVE_IRIX_SPECIFIC_CAPABILITIES=yes,samba_cv_HAVE_IRIX_SPECIFIC_CAPABILITIES=no,samba_cv_HAVE_IRIX_SPECIFIC_CAPABILITIES=cross)])
if test x"$samba_cv_HAVE_IRIX_SPECIFIC_CAPABILITIES" = x"yes"; then
    AC_DEFINE(HAVE_IRIX_SPECIFIC_CAPABILITIES,1,[Whether IRIX specific capabilities are available])
fi

#
# Check for int16, uint16, int32 and uint32 in rpc/types.h included from rpc/rpc.h
# This is *really* broken but some systems (DEC OSF1) do this.... JRA.
#

AC_CACHE_CHECK([for int16 typedef included by rpc/rpc.h],samba_cv_HAVE_INT16_FROM_RPC_RPC_H,[
AC_TRY_COMPILE([#include <sys/types.h>
#if defined(HAVE_RPC_RPC_H)
#include <rpc/rpc.h>
#endif],
[int16 testvar;],
samba_cv_HAVE_INT16_FROM_RPC_RPC_H=yes,samba_cv_HAVE_INT16_FROM_RPC_RPC_H=no)])
if test x"$samba_cv_HAVE_INT16_FROM_RPC_RPC_H" = x"yes"; then
    AC_DEFINE(HAVE_INT16_FROM_RPC_RPC_H,1,[Whether int16 typedef is included by rpc/rpc.h])
fi

AC_CACHE_CHECK([for uint16 typedef included by rpc/rpc.h],samba_cv_HAVE_UINT16_FROM_RPC_RPC_H,[
AC_TRY_COMPILE([#include <sys/types.h>
#if defined(HAVE_RPC_RPC_H)
#include <rpc/rpc.h>
#endif],
[uint16 testvar;],
samba_cv_HAVE_UINT16_FROM_RPC_RPC_H=yes,samba_cv_HAVE_UINT16_FROM_RPC_RPC_H=no)])
if test x"$samba_cv_HAVE_UINT16_FROM_RPC_RPC_H" = x"yes"; then
    AC_DEFINE(HAVE_UINT16_FROM_RPC_RPC_H,1,[Whether uint16 typedef is included by rpc/rpc.h])
fi

AC_CACHE_CHECK([for int32 typedef included by rpc/rpc.h],samba_cv_HAVE_INT32_FROM_RPC_RPC_H,[
AC_TRY_COMPILE([#include <sys/types.h>
#if defined(HAVE_RPC_RPC_H)
#include <rpc/rpc.h>
#endif],
[int32 testvar;],
samba_cv_HAVE_INT32_FROM_RPC_RPC_H=yes,samba_cv_HAVE_INT32_FROM_RPC_RPC_H=no)])
if test x"$samba_cv_HAVE_INT32_FROM_RPC_RPC_H" = x"yes"; then
    AC_DEFINE(HAVE_INT32_FROM_RPC_RPC_H,1,[Whether int32 typedef is included by rpc/rpc.h])
fi

AC_CACHE_CHECK([for uint32 typedef included by rpc/rpc.h],samba_cv_HAVE_UINT32_FROM_RPC_RPC_H,[
AC_TRY_COMPILE([#include <sys/types.h>
#if defined(HAVE_RPC_RPC_H)
#include <rpc/rpc.h>
#endif],
[uint32 testvar;],
samba_cv_HAVE_UINT32_FROM_RPC_RPC_H=yes,samba_cv_HAVE_UINT32_FROM_RPC_RPC_H=no)])
if test x"$samba_cv_HAVE_UINT32_FROM_RPC_RPC_H" = x"yes"; then
    AC_DEFINE(HAVE_UINT32_FROM_RPC_RPC_H,1,[Whether uint32 typedef is included by rpc/rpc.h])
fi

dnl
dnl Some systems (SCO) have a problem including
dnl <prot.h> and <rpc/rpc.h> due to AUTH_ERROR being defined
dnl as a #define in <prot.h> and as part of an enum
dnl in <rpc/rpc.h>.
dnl

AC_CACHE_CHECK([for conflicting AUTH_ERROR define in rpc/rpc.h],samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT,[
AC_TRY_COMPILE([#include <sys/types.h>
#ifdef HAVE_SYS_SECURITY_H
#include <sys/security.h>
#include <prot.h>
#endif  /* HAVE_SYS_SECURITY_H */
#if defined(HAVE_RPC_RPC_H)
#include <rpc/rpc.h>
#endif],
[int testvar;],
samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT=no,samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT=yes)])
if test x"$samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT" = x"yes"; then
    AC_DEFINE(HAVE_RPC_AUTH_ERROR_CONFLICT,1,[Whether there is a conflicting AUTH_ERROR define in rpc/rpc.h])
fi

AC_MSG_CHECKING([for test routines])
AC_TRY_RUN([#include "${srcdir-.}/tests/trivial.c"],
           AC_MSG_RESULT(yes),
	   AC_MSG_ERROR([cant find test code. Aborting config]),
	   AC_MSG_WARN([cannot run when cross-compiling]))

AC_CACHE_CHECK([for ftruncate extend],samba_cv_HAVE_FTRUNCATE_EXTEND,[
AC_TRY_RUN([#include "${srcdir-.}/tests/ftruncate.c"],
           samba_cv_HAVE_FTRUNCATE_EXTEND=yes,samba_cv_HAVE_FTRUNCATE_EXTEND=no,samba_cv_HAVE_FTRUNCATE_EXTEND=cross)])
if test x"$samba_cv_HAVE_FTRUNCATE_EXTEND" = x"yes"; then
    AC_DEFINE(HAVE_FTRUNCATE_EXTEND,1,[Truncate extend])
fi

AC_CACHE_CHECK([for AF_LOCAL socket support], samba_cv_HAVE_WORKING_AF_LOCAL, [
AC_TRY_RUN([#include "${srcdir-.}/tests/unixsock.c"],
	   samba_cv_HAVE_WORKING_AF_LOCAL=yes,
	   samba_cv_HAVE_WORKING_AF_LOCAL=no,
	   samba_cv_HAVE_WORKING_AF_LOCAL=cross)])
if test x"$samba_cv_HAVE_WORKING_AF_LOCAL" != xno
then
    AC_DEFINE(HAVE_WORKING_AF_LOCAL, 1, [Define if you have working AF_LOCAL sockets])
fi

AC_CACHE_CHECK([for broken getgroups],samba_cv_HAVE_BROKEN_GETGROUPS,[
AC_TRY_RUN([#include "${srcdir-.}/tests/getgroups.c"],
           samba_cv_HAVE_BROKEN_GETGROUPS=yes,samba_cv_HAVE_BROKEN_GETGROUPS=no,samba_cv_HAVE_BROKEN_GETGROUPS=cross)])
if test x"$samba_cv_HAVE_BROKEN_GETGROUPS" = x"yes"; then
    AC_DEFINE(HAVE_BROKEN_GETGROUPS,1,[Whether getgroups is broken])
fi

AC_CACHE_CHECK([whether getpass should be replaced],samba_cv_REPLACE_GETPASS,[
SAVE_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS -I${srcdir-.}/ -I${srcdir-.}/include -I${srcdir-.}/ubiqx -I${srcdir-.}/popt  -I${srcdir-.}/smbwrapper"
AC_TRY_COMPILE([
#define REPLACE_GETPASS 1
#define NO_CONFIG_H 1
#define main dont_declare_main
#include "${srcdir-.}/lib/getsmbpass.c"
#undef main
],[],samba_cv_REPLACE_GETPASS=yes,samba_cv_REPLACE_GETPASS=no)
CPPFLAGS="$SAVE_CPPFLAGS"
])
if test x"$samba_cv_REPLACE_GETPASS" = x"yes"; then
	AC_DEFINE(REPLACE_GETPASS,1,[Whether getpass should be replaced])
fi

AC_CACHE_CHECK([for broken inet_ntoa],samba_cv_REPLACE_INET_NTOA,[
AC_TRY_RUN([
#include <stdio.h>
#include <sys/types.h>
#include <netinet/in.h>
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
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);}],
           samba_cv_REPLACE_INET_NTOA=yes,samba_cv_REPLACE_INET_NTOA=no,samba_cv_REPLACE_INET_NTOA=cross)])
if test x"$samba_cv_REPLACE_INET_NTOA" = x"yes"; then
    AC_DEFINE(REPLACE_INET_NTOA,1,[Whether inet_ntoa should be replaced])
fi

AC_CACHE_CHECK([for secure mkstemp],samba_cv_HAVE_SECURE_MKSTEMP,[
AC_TRY_RUN([#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
main() { 
  struct stat st;
  char tpl[20]="/tmp/test.XXXXXX"; 
  int fd = mkstemp(tpl); 
  if (fd == -1) exit(1);
  unlink(tpl);
  if (fstat(fd, &st) != 0) exit(1);
  if ((st.st_mode & 0777) != 0600) exit(1);
  exit(0);
}],
samba_cv_HAVE_SECURE_MKSTEMP=yes,
samba_cv_HAVE_SECURE_MKSTEMP=no,
samba_cv_HAVE_SECURE_MKSTEMP=cross)])
if test x"$samba_cv_HAVE_SECURE_MKSTEMP" = x"yes"; then
    AC_DEFINE(HAVE_SECURE_MKSTEMP,1,[Whether mkstemp is secure])
fi

AC_CACHE_CHECK([for sysconf(_SC_NGROUPS_MAX)],samba_cv_SYSCONF_SC_NGROUPS_MAX,[
AC_TRY_RUN([#include <unistd.h>
main() { exit(sysconf(_SC_NGROUPS_MAX) == -1 ? 1 : 0); }],
samba_cv_SYSCONF_SC_NGROUPS_MAX=yes,samba_cv_SYSCONF_SC_NGROUPS_MAX=no,samba_cv_SYSCONF_SC_NGROUPS_MAX=cross)])
if test x"$samba_cv_SYSCONF_SC_NGROUPS_MAX" = x"yes"; then
    AC_DEFINE(SYSCONF_SC_NGROUPS_MAX,1,[Whether sysconf(_SC_NGROUPS_MAX) is available])
fi

AC_CACHE_CHECK([for root],samba_cv_HAVE_ROOT,[
AC_TRY_RUN([main() { exit(getuid() != 0); }],
           samba_cv_HAVE_ROOT=yes,samba_cv_HAVE_ROOT=no,samba_cv_HAVE_ROOT=cross)])
if test x"$samba_cv_HAVE_ROOT" = x"yes"; then
    AC_DEFINE(HAVE_ROOT,1,[Whether current user is root])
else
    AC_MSG_WARN(running as non-root will disable some tests)
fi

##################
# look for a method of finding the list of network interfaces
iface=no;
AC_CACHE_CHECK([for iface AIX],samba_cv_HAVE_IFACE_AIX,[
AC_TRY_RUN([
#define HAVE_IFACE_AIX 1
#define AUTOCONF_TEST 1
#include "confdefs.h"
#include "${srcdir-.}/lib/interfaces.c"],
           samba_cv_HAVE_IFACE_AIX=yes,samba_cv_HAVE_IFACE_AIX=no,samba_cv_HAVE_IFACE_AIX=cross)])
if test x"$samba_cv_HAVE_IFACE_AIX" = x"yes"; then
    iface=yes;AC_DEFINE(HAVE_IFACE_AIX,1,[Whether iface AIX is available])
fi

if test $iface = no; then
AC_CACHE_CHECK([for iface ifconf],samba_cv_HAVE_IFACE_IFCONF,[
AC_TRY_RUN([
#define HAVE_IFACE_IFCONF 1
#define AUTOCONF_TEST 1
#include "confdefs.h"
#include "${srcdir-.}/lib/interfaces.c"],
           samba_cv_HAVE_IFACE_IFCONF=yes,samba_cv_HAVE_IFACE_IFCONF=no,samba_cv_HAVE_IFACE_IFCONF=cross)])
if test x"$samba_cv_HAVE_IFACE_IFCONF" = x"yes"; then
    iface=yes;AC_DEFINE(HAVE_IFACE_IFCONF,1,[Whether iface ifconf is available])
fi
fi

if test $iface = no; then
AC_CACHE_CHECK([for iface ifreq],samba_cv_HAVE_IFACE_IFREQ,[
AC_TRY_RUN([
#define HAVE_IFACE_IFREQ 1
#define AUTOCONF_TEST 1
#include "confdefs.h"
#include "${srcdir-.}/lib/interfaces.c"],
           samba_cv_HAVE_IFACE_IFREQ=yes,samba_cv_HAVE_IFACE_IFREQ=no,samba_cv_HAVE_IFACE_IFREQ=cross)])
if test x"$samba_cv_HAVE_IFACE_IFREQ" = x"yes"; then
    iface=yes;AC_DEFINE(HAVE_IFACE_IFREQ,1,[Whether iface ifreq is available])
fi
fi


################################################
# look for a method of setting the effective uid
seteuid=no;
if test $seteuid = no; then
AC_CACHE_CHECK([for setresuid],samba_cv_USE_SETRESUID,[
AC_TRY_RUN([
#define AUTOCONF_TEST 1
#define USE_SETRESUID 1
#include "confdefs.h"
#include "${srcdir-.}/lib/util_sec.c"],
           samba_cv_USE_SETRESUID=yes,samba_cv_USE_SETRESUID=no,samba_cv_USE_SETRESUID=cross)])
if test x"$samba_cv_USE_SETRESUID" = x"yes"; then
    seteuid=yes;AC_DEFINE(USE_SETRESUID,1,[Whether setresuid() is available])
fi
fi


if test $seteuid = no; then
AC_CACHE_CHECK([for setreuid],samba_cv_USE_SETREUID,[
AC_TRY_RUN([
#define AUTOCONF_TEST 1
#define USE_SETREUID 1
#include "confdefs.h"
#include "${srcdir-.}/lib/util_sec.c"],
           samba_cv_USE_SETREUID=yes,samba_cv_USE_SETREUID=no,samba_cv_USE_SETREUID=cross)])
if test x"$samba_cv_USE_SETREUID" = x"yes"; then
    seteuid=yes;AC_DEFINE(USE_SETREUID,1,[Whether setreuid() is available])
fi
fi

if test $seteuid = no; then
AC_CACHE_CHECK([for seteuid],samba_cv_USE_SETEUID,[
AC_TRY_RUN([
#define AUTOCONF_TEST 1
#define USE_SETEUID 1
#include "confdefs.h"
#include "${srcdir-.}/lib/util_sec.c"],
           samba_cv_USE_SETEUID=yes,samba_cv_USE_SETEUID=no,samba_cv_USE_SETEUID=cross)])
if test x"$samba_cv_USE_SETEUID" = x"yes"; then
    seteuid=yes;AC_DEFINE(USE_SETEUID,1,[Whether seteuid() is available])
fi
fi

if test $seteuid = no; then
AC_CACHE_CHECK([for setuidx],samba_cv_USE_SETUIDX,[
AC_TRY_RUN([
#define AUTOCONF_TEST 1
#define USE_SETUIDX 1
#include "confdefs.h"
#include "${srcdir-.}/lib/util_sec.c"],
           samba_cv_USE_SETUIDX=yes,samba_cv_USE_SETUIDX=no,samba_cv_USE_SETUIDX=cross)])
if test x"$samba_cv_USE_SETUIDX" = x"yes"; then
    seteuid=yes;AC_DEFINE(USE_SETUIDX,1,[Whether setuidx() is available])
fi
fi


AC_CACHE_CHECK([for working mmap],samba_cv_HAVE_MMAP,[
AC_TRY_RUN([#include "${srcdir-.}/tests/shared_mmap.c"],
           samba_cv_HAVE_MMAP=yes,samba_cv_HAVE_MMAP=no,samba_cv_HAVE_MMAP=cross)])
if test x"$samba_cv_HAVE_MMAP" = x"yes"; then
    AC_DEFINE(HAVE_MMAP,1,[Whether mmap works])
fi

AC_CACHE_CHECK([for ftruncate needs root],samba_cv_FTRUNCATE_NEEDS_ROOT,[
AC_TRY_RUN([#include "${srcdir-.}/tests/ftruncroot.c"],
           samba_cv_FTRUNCATE_NEEDS_ROOT=yes,samba_cv_FTRUNCATE_NEEDS_ROOT=no,samba_cv_FTRUNCATE_NEEDS_ROOT=cross)])
if test x"$samba_cv_FTRUNCATE_NEEDS_ROOT" = x"yes"; then
    AC_DEFINE(FTRUNCATE_NEEDS_ROOT,1,[Whether ftruncate() needs root])
fi

AC_CACHE_CHECK([for fcntl locking],samba_cv_HAVE_FCNTL_LOCK,[
AC_TRY_RUN([#include "${srcdir-.}/tests/fcntl_lock.c"],
           samba_cv_HAVE_FCNTL_LOCK=yes,samba_cv_HAVE_FCNTL_LOCK=no,samba_cv_HAVE_FCNTL_LOCK=cross)])
if test x"$samba_cv_HAVE_FCNTL_LOCK" = x"yes"; then
    AC_DEFINE(HAVE_FCNTL_LOCK,1,[Whether fcntl locking is available])
fi

AC_CACHE_CHECK([for broken (glibc2.1/x86) 64 bit fcntl locking],samba_cv_HAVE_BROKEN_FCNTL64_LOCKS,[
AC_TRY_RUN([#include "${srcdir-.}/tests/fcntl_lock64.c"],
           samba_cv_HAVE_BROKEN_FCNTL64_LOCKS=yes,samba_cv_HAVE_BROKEN_FCNTL64_LOCKS=no,samba_cv_HAVE_BROKEN_FCNTL64_LOCKS=cross)])
if test x"$samba_cv_HAVE_BROKEN_FCNTL64_LOCKS" = x"yes"; then
    AC_DEFINE(HAVE_BROKEN_FCNTL64_LOCKS,1,[Whether fcntl64 locks are broken])

else

dnl
dnl Don't check for 64 bit fcntl locking if we know that the
dnl glibc2.1 broken check has succeeded.
dnl 

  AC_CACHE_CHECK([for 64 bit fcntl locking],samba_cv_HAVE_STRUCT_FLOCK64,[
  AC_CHECK_HEADERS(sys/fcntl.h)
  AC_TRY_RUN([
#if defined(HAVE_UNISTD_H)
#include <unistd.h>
#endif
#include <stdio.h>
#include <stdlib.h>

#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif

#ifdef HAVE_SYS_FCNTL_H
#include <sys/fcntl.h>
#endif
main() { struct flock64 fl64;
#if defined(F_SETLKW64) && defined(F_SETLK64) && defined(F_GETLK64)
exit(0);
#else
exit(1);
#endif
}],
       samba_cv_HAVE_STRUCT_FLOCK64=yes,samba_cv_HAVE_STRUCT_FLOCK64=no,samba_cv_HAVE_STRUCT_FLOCK64=cross)])

  if test x"$samba_cv_HAVE_STRUCT_FLOCK64" = x"yes"; then
      AC_DEFINE(HAVE_STRUCT_FLOCK64,1,[Whether the flock64 struct is available])
  fi
fi

AC_CACHE_CHECK([for st_blocks in struct stat],samba_cv_HAVE_STAT_ST_BLOCKS,[
AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>],
[struct stat st;  st.st_blocks = 0;],
samba_cv_HAVE_STAT_ST_BLOCKS=yes,samba_cv_HAVE_STAT_ST_BLOCKS=no,samba_cv_HAVE_STAT_ST_BLOCKS=cross)])
if test x"$samba_cv_HAVE_STAT_ST_BLOCKS" = x"yes"; then
    AC_DEFINE(HAVE_STAT_ST_BLOCKS,1,[Whether the stat struct has a st_block property])
fi 

AC_CACHE_CHECK([for st_blksize in struct stat],samba_cv_HAVE_STAT_ST_BLKSIZE,[
AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>],
[struct stat st;  st.st_blksize = 0;],
samba_cv_HAVE_STAT_ST_BLKSIZE=yes,samba_cv_HAVE_STAT_ST_BLKSIZE=no,samba_cv_HAVE_STAT_ST_BLKSIZE=cross)])
if test x"$samba_cv_HAVE_STAT_ST_BLKSIZE" = x"yes"; then
    AC_DEFINE(HAVE_STAT_ST_BLKSIZE,1,[Whether the stat struct has a st_blksize property])
fi

case "$host_os" in
*linux*)
AC_CACHE_CHECK([for broken RedHat 7.2 system header files],samba_cv_BROKEN_REDHAT_7_SYSTEM_HEADERS,[
AC_TRY_COMPILE([
#ifdef HAVE_SYS_VFS_H
#include <sys/vfs.h>
#endif
#ifdef HAVE_SYS_CAPABILITY_H
#include <sys/capability.h>
#endif
],[int i;],
   samba_cv_BROKEN_REDHAT_7_SYSTEM_HEADERS=no,samba_cv_BROKEN_REDHAT_7_SYSTEM_HEADERS=yes)])
if test x"$samba_cv_BROKEN_REDHAT_7_SYSTEM_HEADERS" = x"yes"; then
   AC_DEFINE(BROKEN_REDHAT_7_SYSTEM_HEADERS,1,[Broken RedHat 7.2 system header files])
fi
;;
esac

AC_CACHE_CHECK([for broken nisplus include files],samba_cv_BROKEN_NISPLUS_INCLUDE_FILES,[
AC_TRY_COMPILE([#include <sys/acl.h>
#if defined(HAVE_RPCSVC_NIS_H)
#include <rpcsvc/nis.h>
#endif],
[int i;],
samba_cv_BROKEN_NISPLUS_INCLUDE_FILES=no,samba_cv_BROKEN_NISPLUS_INCLUDE_FILES=yes)])
if test x"$samba_cv_BROKEN_NISPLUS_INCLUDE_FILES" = x"yes"; then
	AC_DEFINE(BROKEN_NISPLUS_INCLUDE_FILES,1,[Whether the nisplus include files are broken])
fi


#################################################
# check for smbwrapper support
AC_MSG_CHECKING(whether to use smbwrapper)
AC_ARG_WITH(smbwrapper,
[  --with-smbwrapper       Include SMB wrapper support (default=no) ],
[ case "$withval" in
  yes)
    AC_MSG_RESULT(yes)
    AC_DEFINE(WITH_SMBWRAPPER,1,[Whether to include smbwrapper support])
	WRAPPROG="bin/smbsh\$(EXEEXT)"
	WRAP="bin/smbwrapper.$SHLIBEXT"

	if test x$ATTEMPT_WRAP32_BUILD = x; then
		WRAP32=""
	else
			WRAP32=bin/smbwrapper.32.$SHLIBEXT
	fi

# Conditions under which smbwrapper should not be built.

	if test x$PICFLAG = x; then
	   echo No support for PIC code - disabling smbwrapper and smbsh
	   WRAPPROG=""
	   WRAP=""
	   WRAP32=""
	elif test x$ac_cv_func_syscall = xno; then
	   AC_MSG_RESULT([No syscall() -- disabling smbwrapper and smbsh])
	   WRAPPROG=""
	   WRAP=""
	   WRAP32=""
	fi
	EXTRA_ALL_TARGETS="$EXTRA_ALL_TARGETS $WRAPPROG $WRAP $WRAP32"
	SMBWRAPPER="$WRAPPROG $WRAP $WRAP32"
    ;;
  *)
    AC_MSG_RESULT(no)
    ;;
  esac ],
  AC_MSG_RESULT(no)
)

#################################################
# check for AFS clear-text auth support
AC_MSG_CHECKING(whether to use AFS clear-text auth)
AC_ARG_WITH(afs,
[  --with-afs              Include AFS clear-text auth support (default=no) ],
[ case "$withval" in
  yes)
    AC_MSG_RESULT(yes)
    AC_DEFINE(WITH_AFS,1,[Whether to include AFS clear-text auth support])
    ;;
  *)
    AC_MSG_RESULT(no)
    ;;
  esac ],
  AC_MSG_RESULT(no)
)

#################################################
# check for pthread support
AC_MSG_CHECKING(whether to use pthreads)
AC_ARG_WITH(pthreads,
[  --with-pthreads              Include pthreads (default=no) ],
[ case "$withval" in
  yes)
    AC_MSG_RESULT(yes)
    AC_DEFINE(WITH_PTHREADS,1,[Whether to use pthreads])
    SMBD_EXTRA_OBJS="smbd/process_thread.o"
    SMBD_EXTRA_LIBS="-lpthread"
    ;;
  *)
    AC_MSG_RESULT(no)
    ;;
  esac ],
  AC_MSG_RESULT(no)
)

AC_SUBST(SMBD_EXTRA_OBJS)
AC_SUBST(SMBD_EXTRA_LIBS)


#################################################
# check for the DFS clear-text auth system
AC_MSG_CHECKING(whether to use DFS clear-text auth)
AC_ARG_WITH(dfs,
[  --with-dce-dfs          Include DCE/DFS clear-text auth support (default=no)],
[ case "$withval" in
  yes)
    AC_MSG_RESULT(yes)
    AC_DEFINE(WITH_DFS,1,[Whether to include DFS support])
    ;;
  *)
    AC_MSG_RESULT(no)
    ;;
  esac ],
  AC_MSG_RESULT(no)
)

sinclude(libads/config.m4)
sinclude(passdb/config.m4)

#################################################
# check for automount support
AC_MSG_CHECKING(whether to use automount)
AC_ARG_WITH(automount,
[  --with-automount        Include automount support (default=no)],
[ case "$withval" in
  yes)
    AC_MSG_RESULT(yes)
    AC_DEFINE(WITH_AUTOMOUNT,1,[Whether to include automount support])
    ;;
  *)
    AC_MSG_RESULT(no)
    ;;
  esac ],
  AC_MSG_RESULT(no)
)

#################################################
# check for smbmount support
AC_MSG_CHECKING(whether to use smbmount)
AC_ARG_WITH(smbmount,
[  --with-smbmount         Include smbmount (Linux only) support (default=no)],
[ case "$withval" in
  yes)
	case "$host_os" in
	*linux*)
		AC_MSG_RESULT(yes)
		AC_DEFINE(WITH_SMBMOUNT,1,[Whether to build smbmount])
		EXTRA_BIN_PROGS="$EXTRA_BIN_PROGS bin/smbmount bin/smbmnt bin/smbumount"
		;;
	*)
		AC_MSG_ERROR(not on a linux system!)
		;;
	esac
    ;;
  *)
    AC_MSG_RESULT(no)
    ;;
  esac ],
  AC_MSG_RESULT(no)
)


#################################################
# check for a PAM clear-text auth, accounts, password and session support
with_pam_for_crypt=no
AC_MSG_CHECKING(whether to use PAM)
AC_ARG_WITH(pam,
[  --with-pam              Include PAM support (default=no)],
[ case "$withval" in
  yes)
    AC_MSG_RESULT(no)
	AC_MSG_WARN(pam is disabled in samba4 until someone fixes it)
#    AC_MSG_RESULT(yes)
#    AC_DEFINE(WITH_PAM,1,[Whether to include PAM support])
#    AUTHLIBS="$AUTHLIBS -lpam"
#    with_pam_for_crypt=yes
    ;;
  *)
    AC_MSG_RESULT(no)
    ;;
  esac ],
  AC_MSG_RESULT(no)
)

# we can't build a pam module if we don't have pam.
AC_CHECK_LIB(pam, pam_get_data, [AC_DEFINE(HAVE_LIBPAM,1,[Whether libpam is available])])

#################################################
# check for pam_smbpass support
AC_MSG_CHECKING(whether to use pam_smbpass)
AC_ARG_WITH(pam_smbpass,
[  --with-pam_smbpass      Build a PAM module to allow other applications to use our smbpasswd file (default=no)],
[ case "$withval" in
  yes)
    AC_MSG_RESULT(yes)

# Conditions under which pam_smbpass should not be built.

       if test x$PICFLAG = x; then
          AC_MSG_RESULT([No support for PIC code - disabling pam_smbpass])
       elif test x$ac_cv_lib_pam_pam_get_data = xno; then
          AC_MSG_RESULT([No libpam found -- disabling pam_smbpass])
       else
          SHLIB_PROGS="$SHLIB_PROGS bin/pam_smbpass.so"
       fi
    ;;
  *)
    AC_MSG_RESULT(no)
    ;;
  esac ],
  AC_MSG_RESULT(no)
)


###############################################
# test for where we get crypt() from
AC_SEARCH_LIBS(crypt, [crypt],
  [test "$ac_cv_search_crypt" = "none required" || AUTHLIBS="-lcrypt $AUTHLIBS"
  AC_DEFINE(HAVE_CRYPT,1,[Whether the system has the crypt() function])])

##
## moved after the check for -lcrypt in order to
## ensure that the necessary libraries are included
## check checking for truncated salt.  Wrapped by the
## $with_pam_for_crypt variable as above   --jerry
##
if test $with_pam_for_crypt = no; then
AC_CACHE_CHECK([for a crypt that needs truncated salt],samba_cv_HAVE_TRUNCATED_SALT,[
crypt_LIBS="$LIBS"
LIBS="$AUTHLIBS $LIBS"
AC_TRY_RUN([#include "${srcdir-.}/tests/crypttest.c"],
	samba_cv_HAVE_TRUNCATED_SALT=no,samba_cv_HAVE_TRUNCATED_SALT=yes,samba_cv_HAVE_TRUNCATED_SALT=cross)
LIBS="$crypt_LIBS"])
if test x"$samba_cv_HAVE_TRUNCATED_SALT" = x"yes"; then
	AC_DEFINE(HAVE_TRUNCATED_SALT,1,[Whether crypt needs truncated salt])
fi
fi

#################################################
# 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 (default=no)],
[ case "$withval" in
  yes)
    AC_MSG_RESULT(yes)
    AC_DEFINE(WITH_NISPLUS_HOME,1,[Whether to include nisplus_home support])
    ;;
  *)
    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 (default=no)],
[ case "$withval" in
  yes)
    AC_MSG_RESULT(yes)
    AC_DEFINE(WITH_SYSLOG,1,[Whether to include experimental syslog support])
    ;;
  *)
    AC_MSG_RESULT(no)
    ;;
  esac ],
  AC_MSG_RESULT(no)
)

#################################################
# check for a shared memory profiling support
AC_MSG_CHECKING(whether to use profiling)
AC_ARG_WITH(profiling-data,
[  --with-profiling-data   Include gathering source code profile information (default=no)],
[ case "$withval" in
  yes)
    AC_MSG_RESULT(yes)
    AC_DEFINE(WITH_PROFILE,1,[Whether to use profiling])
    ;;
  *)
    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 (default=no)],
[ case "$withval" in
  yes)
    AC_MSG_RESULT(yes)
    AC_DEFINE(WITH_NISPLUS_HOME,1,[Whether to include nisplus_home support])
    ;;
  *)
    AC_MSG_RESULT(no)
    ;;
  esac ],
  AC_MSG_RESULT(no)
)

#################################################
# check for experimental disk-quotas support
QUOTAOBJS=smbd/noquotas.o

AC_MSG_CHECKING(whether to support disk-quotas)
AC_ARG_WITH(quotas,
[  --with-quotas           Include experimental disk-quota support (default=no)],
[ case "$withval" in
  yes)
    AC_MSG_RESULT(yes)
    case "$host_os" in
      *linux*)
        # Check for kernel 2.4.x quota braindamage...
        AC_CACHE_CHECK([for linux 2.4.x quota braindamage..],samba_cv_linux_2_4_quota_braindamage, [
        AC_TRY_COMPILE([#include <stdio.h>
#include <sys/types.h>
#include <asm/types.h>
#include <linux/quota.h>
#include <mntent.h>
#include <linux/unistd.h>],[struct mem_dqblk D;],
      samba_cv_linux_2_4_quota_braindamage=yes,samba_cv_linux_2_4_quota_braindamage=no)])
if test x"$samba_cv_linux_2_4_quota_braindamage" = x"yes"; then
        AC_DEFINE(LINUX_QUOTAS_2,1,[linux 2.4.x quota braindamage])
else
        AC_DEFINE(LINUX_QUOTAS_1,1,[linux quotas])
fi
        ;;
      *)
        ;;
    esac
    QUOTAOBJS=smbd/quotas.o
    AC_DEFINE(WITH_QUOTAS,1,[Whether to include experimental quota support])
    ;;
  *)
    AC_MSG_RESULT(no)
    ;;
  esac ],
  AC_MSG_RESULT(no)
)
AC_SUBST(QUOTAOBJS)

#################################################
# check for experimental utmp accounting

AC_MSG_CHECKING(whether to support utmp accounting)
AC_ARG_WITH(utmp,
[  --with-utmp             Include experimental utmp accounting (default=no)],
[ case "$withval" in
  yes)
    AC_MSG_RESULT(yes)
    AC_DEFINE(WITH_UTMP,1,[Whether to include experimental utmp accounting])
    ;;
  *)
    AC_MSG_RESULT(no)
    ;;
  esac ],
  AC_MSG_RESULT(no)
)

#################################################
# choose native language(s) of man pages
AC_MSG_CHECKING(chosen man pages' language(s))
AC_ARG_WITH(manpages-langs,
[  --with-manpages-langs={en,ja,pl}  Choose man pages' language(s). (en)],
[ case "$withval" in
  yes|no)
    AC_MSG_WARN(--with-manpages-langs called without argument - will use default)
    manlangs="en"
  ;;
  *)
    manlangs="$withval"
  ;;
  esac

  AC_MSG_RESULT($manlangs)
  manlangs=`echo $manlangs | sed "s/,/ /g"`   # replacing commas with spaces to produce a list
  AC_SUBST(manlangs)],

  [manlangs="en"
  AC_MSG_RESULT($manlangs)
  AC_SUBST(manlangs)]
)

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

# Test for statvfs64.
if test $space = no; then
  # SVR4
  AC_CACHE_CHECK([statvfs64 function (SVR4)], fu_cv_sys_stat_statvfs64,
  [AC_TRY_RUN([
#if defined(HAVE_UNISTD_H)
#include <unistd.h>
#endif
#include <sys/types.h>
#include <sys/statvfs.h>
  main ()
  {
    struct statvfs64 fsd;
    exit (statvfs64 (".", &fsd));
  }],
  fu_cv_sys_stat_statvfs64=yes,
  fu_cv_sys_stat_statvfs64=no,
  fu_cv_sys_stat_statvfs64=cross)])
  if test $fu_cv_sys_stat_statvfs64 = yes; then
    space=yes
    AC_DEFINE(STAT_STATVFS64,1,[Whether statvfs64() is available])
  fi
fi

# 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,1,[Whether statvfs() is available])
  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_OSF1,1,[Whether statfs requires 3 arguments])
  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,1,[Whether statfs requires two arguments and struct statfs has bsize property])
  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_STATFS4,1,[Whether statfs requires 4 arguments])
  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,1,[Whether statfs requires 2 arguments and struct statfs has 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,1,[Whether statfs requires 2 arguments and struct fs_data is available])
  fi
fi

#
# As a gating factor for large file support, in order to
# use <4GB files we must have the following minimal support
# available.
# long long, and a 64 bit off_t or off64_t.
# If we don't have all of these then disable large
# file support.
#
AC_MSG_CHECKING([if large file support can be enabled])
AC_TRY_COMPILE([
#if defined(HAVE_LONGLONG) && (defined(HAVE_OFF64_T) || (defined(SIZEOF_OFF_T) && (SIZEOF_OFF_T == 8)))
#include <sys/types.h>
#else
__COMPILE_ERROR_
#endif
],
[int i],
samba_cv_HAVE_EXPLICIT_LARGEFILE_SUPPORT=yes,samba_cv_HAVE_EXPLICIT_LARGEFILE_SUPPORT=no)
if test x"$samba_cv_HAVE_EXPLICIT_LARGEFILE_SUPPORT" = x"yes"; then
	AC_DEFINE(HAVE_EXPLICIT_LARGEFILE_SUPPORT,1,[Whether large file support can be enabled])
fi
AC_MSG_RESULT([$samba_cv_HAVE_EXPLICIT_LARGEFILE_SUPPORT])

#################################################
# check for ACL support

AC_MSG_CHECKING(whether to support ACLs)
AC_ARG_WITH(acl-support,
[  --with-acl-support      Include ACL support (default=no)],
[ case "$withval" in
  yes)

	case "$host_os" in
	*sysv5*)
		AC_MSG_RESULT(Using UnixWare ACLs)
		AC_DEFINE(HAVE_UNIXWARE_ACLS,1,[Whether UnixWare ACLs are available])
		;;
	*solaris*)
		AC_MSG_RESULT(Using solaris ACLs)
		AC_DEFINE(HAVE_SOLARIS_ACLS,1,[Whether solaris ACLs are available])
		;;
	*hpux*)
		AC_MSG_RESULT(Using HPUX ACLs)
		AC_DEFINE(HAVE_HPUX_ACLS,1,[Whether HPUX ACLs are available])
		;;
	*irix*)
		AC_MSG_RESULT(Using IRIX ACLs)
		AC_DEFINE(HAVE_IRIX_ACLS,1,[Whether IRIX ACLs are available])
		;;
	*aix*)
		AC_MSG_RESULT(Using AIX ACLs)
		AC_DEFINE(HAVE_AIX_ACLS,1,[Whether AIX ACLs are available])
		;;
	*osf*)
		AC_MSG_RESULT(Using Tru64 ACLs)
		AC_DEFINE(HAVE_TRU64_ACLS,1,[Whether Tru64 ACLs are available])
		ACLLIBS="$ACLLIBS -lpacl"
		;;
        *)
		AC_CHECK_LIB(acl,acl_get_file,[ACLLIBS="$ACLLIBS -lacl"])
		AC_CACHE_CHECK([for ACL support],samba_cv_HAVE_POSIX_ACLS,[
		acl_LIBS=$LIBS
		LIBS="$LIBS -lacl"
		AC_TRY_LINK([#include <sys/types.h>
#include <sys/acl.h>],
[ acl_t acl; int entry_id; acl_entry_t *entry_p; return acl_get_entry( acl, entry_id, entry_p);],
samba_cv_HAVE_POSIX_ACLS=yes,samba_cv_HAVE_POSIX_ACLS=no)
		LIBS=$acl_LIBS])
			if test x"$samba_cv_HAVE_POSIX_ACLS" = x"yes"; then
				AC_MSG_RESULT(Using posix ACLs)
				AC_DEFINE(HAVE_POSIX_ACLS,1,[Whether POSIX ACLs are available])
				AC_CACHE_CHECK([for acl_get_perm_np],samba_cv_HAVE_ACL_GET_PERM_NP,[
				acl_LIBS=$LIBS
				LIBS="$LIBS -lacl"
				AC_TRY_LINK([#include <sys/types.h>
#include <sys/acl.h>],
[ acl_permset_t permset_d; acl_perm_t perm; return acl_get_perm_np( permset_d, perm);],
samba_cv_HAVE_ACL_GET_PERM_NP=yes,samba_cv_HAVE_ACL_GET_PERM_NP=no)
				LIBS=$acl_LIBS])
				if test x"$samba_cv_HAVE_ACL_GET_PERM_NP" = x"yes"; then
					AC_DEFINE(HAVE_ACL_GET_PERM_NP,1,[Whether acl_get_perm_np() is available])
				fi
			fi
            ;;
        esac
        ;;
  *)
    AC_MSG_RESULT(no)
    AC_DEFINE(HAVE_NO_ACLS,1,[Whether no ACLs support is available])
    ;;
  esac ],
  AC_DEFINE(HAVE_NO_ACLS,1,[Whether no ACLs support should be built in])
  AC_MSG_RESULT(no)
)

#################################################
# check for sendfile support

with_sendfile_support=yes
AC_MSG_CHECKING(whether to check to support sendfile)
AC_ARG_WITH(sendfile-support,
[  --with-sendfile-support      Check for sendfile support (default=yes)],
[ case "$withval" in
  yes)

	AC_MSG_RESULT(yes);

	case "$host_os" in
	*linux*)
		AC_CACHE_CHECK([for linux sendfile64 support],samba_cv_HAVE_SENDFILE64,[
		AC_TRY_LINK([#include <sys/sendfile.h>],
[\
int tofd, fromfd;
off64_t offset;
size_t total;
ssize_t nwritten = sendfile64(tofd, fromfd, &offset, total);
],
samba_cv_HAVE_SENDFILE64=yes,samba_cv_HAVE_SENDFILE64=no)])

		AC_CACHE_CHECK([for linux sendfile support],samba_cv_HAVE_SENDFILE,[
		AC_TRY_LINK([#include <sys/sendfile.h>],
[\
int tofd, fromfd;
off_t offset;
size_t total;
ssize_t nwritten = sendfile(tofd, fromfd, &offset, total);
],
samba_cv_HAVE_SENDFILE=yes,samba_cv_HAVE_SENDFILE=no)])

# Try and cope with broken Linux sendfile....
		AC_CACHE_CHECK([for broken linux sendfile support],samba_cv_HAVE_BROKEN_LINUX_SENDFILE,[
		AC_TRY_LINK([\
#if defined(_FILE_OFFSET_BITS) && (_FILE_OFFSET_BITS == 64)
#undef _FILE_OFFSET_BITS
#endif
#include <sys/sendfile.h>],
[\
int tofd, fromfd;
off_t offset;
size_t total;
ssize_t nwritten = sendfile(tofd, fromfd, &offset, total);
],
samba_cv_HAVE_BROKEN_LINUX_SENDFILE=yes,samba_cv_HAVE_BROKEN_LINUX_SENDFILE=no)])

	if test x"$samba_cv_HAVE_SENDFILE64" = x"yes"; then
    		AC_DEFINE(HAVE_SENDFILE64,1,[Whether 64-bit sendfile() is available])
		AC_DEFINE(LINUX_SENDFILE_API,1,[Whether linux sendfile() API is available])
		AC_DEFINE(WITH_SENDFILE,1,[Whether sendfile() should be used])
	elif test x"$samba_cv_HAVE_SENDFILE" = x"yes"; then
    		AC_DEFINE(HAVE_SENDFILE,1,[Whether sendfile() is available])
		AC_DEFINE(LINUX_SENDFILE_API,1,[Whether linux sendfile() API is available])
		AC_DEFINE(WITH_SENDFILE,1,[Whether sendfile() should be used])
	elif test x"$samba_cv_HAVE_BROKEN_LINUX_SENDFILE" = x"yes"; then
		AC_DEFINE(LINUX_BROKEN_SENDFILE_API,1,[Whether (linux) sendfile() is broken])
		AC_DEFINE(WITH_SENDFILE,1,[Whether sendfile should be used])
	else
		AC_MSG_RESULT(no);
	fi

	;;
	*freebsd*)
		AC_CACHE_CHECK([for freebsd sendfile support],samba_cv_HAVE_SENDFILE,[
		AC_TRY_LINK([\
#include <sys/types.h>
#include <unistd.h>
#include <sys/socket.h>
#include <sys/uio.h>],
[\
	int fromfd, tofd, ret, total=0;
	off_t offset, nwritten;
	struct sf_hdtr hdr;
	struct iovec hdtrl;
	hdr.headers = &hdtrl;
	hdr.hdr_cnt = 1;
	hdr.trailers = NULL;
	hdr.trl_cnt = 0;
	hdtrl.iov_base = NULL;
	hdtrl.iov_len = 0;
	ret = sendfile(fromfd, tofd, offset, total, &hdr, &nwritten, 0);
],
samba_cv_HAVE_SENDFILE=yes,samba_cv_HAVE_SENDFILE=no)])

	if test x"$samba_cv_HAVE_SENDFILE" = x"yes"; then
    		AC_DEFINE(HAVE_SENDFILE,1,[Whether sendfile() support is available])
		AC_DEFINE(FREEBSD_SENDFILE_API,1,[Whether the FreeBSD sendfile() API is available])
		AC_DEFINE(WITH_SENDFILE,1,[Whether sendfile() support should be included])
	else
		AC_MSG_RESULT(no);
	fi
	;;

	*hpux*)
		AC_CACHE_CHECK([for hpux sendfile64 support],samba_cv_HAVE_SENDFILE64,[
		AC_TRY_LINK([\
#include <sys/socket.h>
#include <sys/uio.h>],
[\
	int fromfd, tofd;
	size_t total=0;
	struct iovec hdtrl[2];
	ssize_t nwritten;
	off64_t offset;

	hdtrl[0].iov_base = 0;
	hdtrl[0].iov_len = 0;

	nwritten = sendfile64(tofd, fromfd, offset, total, &hdtrl[0], 0);
],
samba_cv_HAVE_SENDFILE64=yes,samba_cv_HAVE_SENDFILE64=no)])
	if test x"$samba_cv_HAVE_SENDFILE64" = x"yes"; then
    		AC_DEFINE(HAVE_SENDFILE64,1,[Whether sendfile64() is available])
		AC_DEFINE(HPUX_SENDFILE_API,1,[Whether the hpux sendfile() API is available])
		AC_DEFINE(WITH_SENDFILE,1,[Whether sendfile() support should be included])
	else
		AC_MSG_RESULT(no);
	fi

		AC_CACHE_CHECK([for hpux sendfile support],samba_cv_HAVE_SENDFILE,[
		AC_TRY_LINK([\
#include <sys/socket.h>
#include <sys/uio.h>],
[\
	int fromfd, tofd;
	size_t total=0;
	struct iovec hdtrl[2];
	ssize_t nwritten;
	off_t offset;

	hdtrl[0].iov_base = 0;
	hdtrl[0].iov_len = 0;

	nwritten = sendfile(tofd, fromfd, offset, total, &hdtrl[0], 0);
],
samba_cv_HAVE_SENDFILE=yes,samba_cv_HAVE_SENDFILE=no)])
	if test x"$samba_cv_HAVE_SENDFILE" = x"yes"; then
    		AC_DEFINE(HAVE_SENDFILE,1,[Whether sendfile() is available])
		AC_DEFINE(HPUX_SENDFILE_API,1,[Whether the hpux sendfile() API is available])
		AC_DEFINE(WITH_SENDFILE,1,[Whether sendfile() support should be included])
	else
		AC_MSG_RESULT(no);
	fi
	;;

	*solaris*)
		AC_CHECK_LIB(sendfile,sendfilev)
		AC_CACHE_CHECK([for solaris sendfilev64 support],samba_cv_HAVE_SENDFILEV64,[
		AC_TRY_LINK([\
#include <sys/sendfile.h>],
[\
        int sfvcnt;
        size_t xferred;
        struct sendfilevec vec[2];
	ssize_t nwritten;
	int tofd;

	sfvcnt = 2;

	vec[0].sfv_fd = SFV_FD_SELF;
	vec[0].sfv_flag = 0;
	vec[0].sfv_off = 0;
	vec[0].sfv_len = 0;

	vec[1].sfv_fd = 0;
	vec[1].sfv_flag = 0;
	vec[1].sfv_off = 0;
	vec[1].sfv_len = 0;
	nwritten = sendfilev64(tofd, vec, sfvcnt, &xferred);
],
samba_cv_HAVE_SENDFILEV64=yes,samba_cv_HAVE_SENDFILEV64=no)])

	if test x"$samba_cv_HAVE_SENDFILEV64" = x"yes"; then
    		AC_DEFINE(HAVE_SENDFILEV64,1,[Whether sendfilev64() is available])
		AC_DEFINE(SOLARIS_SENDFILE_API,1,[Whether the soloris sendfile() API is available])
		AC_DEFINE(WITH_SENDFILE,1,[Whether sendfile() support should be included])
	else
		AC_MSG_RESULT(no);
	fi

		AC_CACHE_CHECK([for solaris sendfilev support],samba_cv_HAVE_SENDFILEV,[
		AC_TRY_LINK([\
#include <sys/sendfile.h>],
[\
        int sfvcnt;
        size_t xferred;
        struct sendfilevec vec[2];
	ssize_t nwritten;
	int tofd;

	sfvcnt = 2;

	vec[0].sfv_fd = SFV_FD_SELF;
	vec[0].sfv_flag = 0;
	vec[0].sfv_off = 0;
	vec[0].sfv_len = 0;

	vec[1].sfv_fd = 0;
	vec[1].sfv_flag = 0;
	vec[1].sfv_off = 0;
	vec[1].sfv_len = 0;
	nwritten = sendfilev(tofd, vec, sfvcnt, &xferred);
],
samba_cv_HAVE_SENDFILEV=yes,samba_cv_HAVE_SENDFILEV=no)])

	if test x"$samba_cv_HAVE_SENDFILEV" = x"yes"; then
    		AC_DEFINE(HAVE_SENDFILEV,1,[Whether sendfilev() is available])
		AC_DEFINE(SOLARIS_SENDFILE_API,1,[Whether the solaris sendfile() API is available])
		AC_DEFINE(WITH_SENDFILE,1,[Whether to include sendfile() support])
	else
		AC_MSG_RESULT(no);
	fi
	;;

	*)
	;;
        esac
        ;;
  *)
    AC_MSG_RESULT(no)
    ;;
  esac ],
  AC_MSG_RESULT(yes)
)

sinclude(nsswitch/config.m4)
sinclude(popt/config.m4)

dnl exclude these modules 
AC_ARG_WITH(exclude-modules,
[  --with-exclude-modules=MODULES Comma-seperated list of names of modules to exclude from build],
[ if test $withval; then
	for i in `echo $withval | sed -e's/,/ /g'`
	do
		eval MODULE_$i=NOT
	done
fi ])

dnl Always built these modules shared
AC_ARG_WITH(shared-modules,
[  --with-shared-modules=MODULES  Comma-seperated list of names of modules to build shared],
[ if test $withval; then
	for i in `echo $withval | sed -e's/,/ /g'`
	do
		eval MODULE_$i=SHARED
	done
fi ])

dnl Always built these modules static
AC_ARG_WITH(static-modules,
[  --with-static-modules=MODULES  Comma-seperated list of names of modules to statically link in],
[ if test $withval; then
	for i in `echo $withval | sed -e's/,/ /g'`
	do
		eval MODULE_$i=STATIC
	done
fi ])

SMB_SUBSYSTEM(CHARSET,lib/iconv.o)

sinclude(ntvfs/config.m4)
sinclude(rpc_server/config.m4)

AC_DEFINE_UNQUOTED(STRING_STATIC_MODULES, "$string_static_modules", [String list of builtin modules])

#################################################
# do extra things if we are running insure

if test "${ac_cv_prog_CC}" = "insure"; then
	CPPFLAGS="$CPPFLAGS -D__INSURE__"
fi

#################################################
# final configure stuff

AC_MSG_CHECKING([configure summary])
AC_TRY_RUN([#include "${srcdir-.}/tests/summary.c"],
           AC_MSG_RESULT(yes),
	   AC_MSG_ERROR([summary failure. Aborting config]); exit 1;,
	   AC_MSG_WARN([cannot run when cross-compiling]))

builddir=`pwd`
AC_SUBST(builddir)

dnl Remove -L/usr/lib/? from LDFLAGS and LIBS
LIB_REMOVE_USR_LIB(LDFLAGS)
LIB_REMOVE_USR_LIB(LIBS)

dnl Remove -I/usr/include/? from CFLAGS and CPPFLAGS
CFLAGS_REMOVE_USR_INCLUDE(CFLAGS)
CFLAGS_REMOVE_USR_INCLUDE(CPPFLAGS)

AC_OUTPUT(include/stamp-h Makefile script/findsmb)