move all old configure checks to build/m4/rewrite.m4

we should get rid of this file in the end:-)

the tests should go into subsystems config.m4 files

the goal is to know which tests belong to what code
and remove unused tests to make configure a bit faster

metze
(This used to be commit 3abb0fd19b27261e2b9fa46f287162be8f096913)

1 files changed, 1787 insertions, 0 deletions

diff --git a/source4/build/m4/rewrite.m4 b/source4/build/m4/rewrite.m4
new file mode 100644
index 0000000000..f50b719b33
--- /dev/null
+++ b/source4/build/m4/rewrite.m4
@@ -0,0 +1,1787 @@
+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/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 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)
+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 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"$samba_cv_HAVE_UTIMBUF" = x"yes"; then
+    AC_DEFINE(HAVE_UTIMBUF,1,[Whether struct utimbuf is available])
+fi
+
+AC_CACHE_CHECK([for Linux kernel oplocks],samba_cv_HAVE_KERNEL_OPLOCKS_LINUX,[
+AC_TRY_RUN([
+#include <sys/types.h>
+#include <fcntl.h>
+#ifndef F_GETLEASE
+#define F_GETLEASE	1025
+#endif
+main() {
+       int fd = open("/dev/null", O_RDONLY);
+       return fcntl(fd, F_GETLEASE, 0) == -1;
+}
+],
+samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=no,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=cross)])
+if test x"$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"$samba_cv_HAVE_BROKEN_FCNTL64_LOCKS" = x"yes"; then
+    AC_DEFINE(HAVE_BROKEN_FCNTL64_LOCKS,1,[Whether fcntl64 locks are broken])
+
+else
+
+dnl
+dnl Don't check for 64 bit fcntl locking if we know that the
+dnl glibc2.1 broken check has succeeded.
+dnl 
+
+  AC_CACHE_CHECK([for 64 bit fcntl locking],samba_cv_HAVE_STRUCT_FLOCK64,[
+  AC_TRY_RUN([
+#if defined(HAVE_UNISTD_H)
+#include <unistd.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+
+#ifdef HAVE_SYS_FCNTL_H
+#include <sys/fcntl.h>
+#endif
+main() { struct flock64 fl64;
+#if defined(F_SETLKW64) && defined(F_SETLK64) && defined(F_GETLK64)
+exit(0);
+#else
+exit(1);
+#endif
+}],
+       samba_cv_HAVE_STRUCT_FLOCK64=yes,samba_cv_HAVE_STRUCT_FLOCK64=no,samba_cv_HAVE_STRUCT_FLOCK64=cross)])
+
+  if test x"$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"$samba_cv_BROKEN_NISPLUS_INCLUDE_FILES" = x"yes"; then
+	AC_DEFINE(BROKEN_NISPLUS_INCLUDE_FILES,1,[Whether the nisplus include files are broken])
+fi
+
+AC_SUBST(SMBD_EXTRA_OBJS)
+AC_SUBST(SMBD_EXTRA_LIBS)
+
+sinclude(libads/config.m4)
+
+###############################################
+# test for where we get crypt() from
+AC_SEARCH_LIBS(crypt, [crypt],
+  [test "$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
+## $with_pam_for_crypt variable as above   --jerry
+##
+if test x"$with_pam_for_crypt" != x"yes"; 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
+
+#################################################
+# 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])