Dereference support

This adds support for the newly proposed LDAP Dereference feature (not to
be confused with alias dereferencing).  The details of the proposed feature
can be found here:
http://www.openldap.org/devel/cvsweb.cgi/~checkout~/doc/drafts/draft-masarati-ldap-deref-xx.txt
This adds a new deref plugin to the directory server.  This is a pre op search
plugin.  In order to allow the plugin to rewrite the controls sent back with
each entry, I changed the way pre-search and pre-entry plugins work.  They now
have the ability to alter the entry and controls just before being sent back
to the client.
This plugin does not currently support internal operations.  It should be easy
to add a call to register the plugin for internal ops if we need to do that.
The code supports real, computed (e.g. memberOf), and virtual attributes
both as the attibute to dereference and in the list of attributes to return
from each dereferenced entry.  This will allow us to use attributes such as
nsRole as the derefattr.
Tested on RHEL5 x86_64 with various openldap 2.4.15+ and Net::LDAP clients.
valgrind output is clean

1 files changed, 60 insertions, 79 deletions

diff --git a/ltmain.sh b/ltmain.sh
index 8e5a9304..0223495a 100644
--- a/ltmain.sh
+++ b/ltmain.sh
@@ -1,8 +1,8 @@
 # ltmain.sh - Provide generalized library-building support services.
 # NOTE: Changing this file will not affect anything until you rerun configure.
 #
-# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006,
-# 2007  Free Software Foundation, Inc.
+# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005
+# Free Software Foundation, Inc.
 # Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
 #
 # This program is free software; you can redistribute it and/or modify
@@ -43,8 +43,8 @@ EXIT_FAILURE=1
 
 PROGRAM=ltmain.sh
 PACKAGE=libtool
-VERSION=1.5.24
-TIMESTAMP=" (1.1220.2.456 2007/06/24 02:25:32)"
+VERSION=1.5.22
+TIMESTAMP=" (1.1220.2.365 2005/12/18 22:14:06)"
 
 # Be Bourne compatible (taken from Autoconf:_AS_BOURNE_COMPATIBLE).
 if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
@@ -57,8 +57,6 @@ if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
 else
   case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac
 fi
-BIN_SH=xpg4; export BIN_SH # for Tru64
-DUALCASE=1; export DUALCASE # for MKS sh
 
 # Check that we have a working $echo.
 if test "X$1" = X--no-reexec; then
@@ -116,10 +114,10 @@ esac
 for lt_var in LANG LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES
 do
   eval "if test \"\${$lt_var+set}\" = set; then
-	  save_$lt_var=\$$lt_var
-	  $lt_var=C
-	  export $lt_var
-	fi"
+         save_$lt_var=\$$lt_var
+         $lt_var=C
+         export $lt_var
+       fi"
 done
 
 # Make sure IFS has a sensible default
@@ -208,13 +206,7 @@ func_win32_libid ()
     if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | \
       $EGREP -e 'file format pe-i386(.*architecture: i386)?' >/dev/null ; then
       win32_nmres=`eval $NM -f posix -A $1 | \
-	$SED -n -e '1,100{
-		/ I /{
-			s,.*,import,
-			p
-			q
-			}
-		}'`
+	$SED -n -e '1,100{/ I /{s,.*,import,;p;q;};}'`
       case $win32_nmres in
       import*)  win32_libid_type="x86 archive import";;
       *)        win32_libid_type="x86 archive static";;
@@ -348,11 +340,11 @@ func_extract_archives ()
       my_xlib_u=$my_xlib
       while :; do
         case " $extracted_archives " in
-	*" $my_xlib_u "*)
-	  extracted_serial=`expr $extracted_serial + 1`
-	  my_xlib_u=lt$extracted_serial-$my_xlib ;;
-	*) break ;;
-	esac
+       *" $my_xlib_u "*)
+         extracted_serial=`expr $extracted_serial + 1`
+         my_xlib_u=lt$extracted_serial-$my_xlib ;;
+       *) break ;;
+       esac
       done
       extracted_archives="$extracted_archives $my_xlib_u"
       my_xdir="$my_gentop/$my_xlib_u"
@@ -482,12 +474,11 @@ do
     ;;
 
   --version)
-    echo "\
-$PROGRAM (GNU $PACKAGE) $VERSION$TIMESTAMP
-
-Copyright (C) 2007  Free Software Foundation, Inc.
-This is free software; see the source for copying conditions.  There is NO
-warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
+    $echo "$PROGRAM (GNU $PACKAGE) $VERSION$TIMESTAMP"
+    $echo
+    $echo "Copyright (C) 2005  Free Software Foundation, Inc."
+    $echo "This is free software; see the source for copying conditions.  There is NO"
+    $echo "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
     exit $?
     ;;
 
@@ -784,7 +775,7 @@ if test -z "$show_help"; then
     *.class) xform=class ;;
     *.cpp) xform=cpp ;;
     *.cxx) xform=cxx ;;
-    *.[fF][09]?) xform=[fF][09]. ;;
+    *.f90) xform=f90 ;;
     *.for) xform=for ;;
     *.java) xform=java ;;
     *.obj) xform=obj ;;
@@ -1169,8 +1160,8 @@ EOF
     do
       case $arg in
       -all-static | -static | -static-libtool-libs)
-	case $arg in
-	-all-static)
+    case $arg in
+    -all-static)
 	  if test "$build_libtool_libs" = yes && test -z "$link_static_flag"; then
 	    $echo "$modename: warning: complete static linking is impossible in this configuration" 1>&2
 	  fi
@@ -1179,19 +1170,19 @@ EOF
 	  fi
 	  prefer_static_libs=yes
 	  ;;
-	-static)
+    -static)
 	  if test -z "$pic_flag" && test -n "$link_static_flag"; then
 	    dlopen_self=$dlopen_self_static
 	  fi
 	  prefer_static_libs=built
 	  ;;
-	-static-libtool-libs)
-	  if test -z "$pic_flag" && test -n "$link_static_flag"; then
-	    dlopen_self=$dlopen_self_static
-	  fi
-	  prefer_static_libs=yes
-	  ;;
-	esac
+    -static-libtool-libs)
+      if test -z "$pic_flag" && test -n "$link_static_flag"; then
+        dlopen_self=$dlopen_self_static
+      fi
+      prefer_static_libs=yes
+      ;;
+    esac
 	build_libtool_libs=no
 	build_old_libs=yes
 	break
@@ -1639,7 +1630,7 @@ EOF
 	continue
 	;;
 
-     -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe|-threads)
+     -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe)
 	compiler_flags="$compiler_flags $arg"
 	compile_command="$compile_command $arg"
 	finalize_command="$finalize_command $arg"
@@ -1659,11 +1650,10 @@ EOF
       # -m* pass through architecture-specific compiler args for GCC
       # -m*, -t[45]*, -txscale* pass through architecture-specific
       # compiler args for GCC
-      # -p, -pg, --coverage, -fprofile-* pass through profiling flag for GCC
-      # -F/path gives path to uninstalled frameworks, gcc on darwin
+      # -pg pass through profiling flag for GCC
       # @file GCC response files
-      -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \
-      -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*)
+      -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*|-pg| \
+      -t[45]*|-txscale*|@*)
 
 	# Unknown arguments in both finalize_command and compile_command need
 	# to be aesthetically quoted because they are evaled later.
@@ -1691,9 +1681,9 @@ EOF
 
       -no-install)
 	case $host in
-	*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin*)
+	*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2*)
 	  # The PATH hackery in wrapper scripts is required on Windows
-	  # and Darwin in order for the loader to find any dlls it needs.
+	  # in order for the loader to find any dlls it needs.
 	  $echo "$modename: warning: \`-no-install' is ignored for $host" 1>&2
 	  $echo "$modename: warning: assuming \`-no-fast-install' instead" 1>&2
 	  fast_install=no
@@ -2134,7 +2124,7 @@ EOF
 	lib=
 	found=no
 	case $deplib in
-	-mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe|-threads)
+	-mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe)
 	  if test "$linkmode,$pass" = "prog,link"; then
 	    compile_deplibs="$deplib $compile_deplibs"
 	    finalize_deplibs="$deplib $finalize_deplibs"
@@ -2530,9 +2520,9 @@ EOF
 
 	if test "$linkmode,$pass" = "prog,link"; then
 	  if test -n "$library_names" &&
-	     { { test "$prefer_static_libs" = no ||
-		 test "$prefer_static_libs,$installed" = "built,yes"; } ||
-	       test -z "$old_library"; }; then
+         { { test "$prefer_static_libs" = no ||
+             test "$prefer_static_libs,$installed" = "built,yes"; } ||
+           test -z "$old_library"; }; then
 	    # We need to hardcode the library path
 	    if test -n "$shlibpath_var" && test -z "$avoidtemprpath" ; then
 	      # Make sure the rpath contains only unique directories.
@@ -3239,10 +3229,9 @@ EOF
 	    age="0"
 	    ;;
 	  irix|nonstopux)
-	    current=`expr $number_major + $number_minor`
+	    current=`expr $number_major + $number_minor - 1`
 	    age="$number_minor"
 	    revision="$number_minor"
-	    lt_irix_increment=no
 	    ;;
 	  esac
 	  ;;
@@ -3301,8 +3290,7 @@ EOF
 	  versuffix="$major.$age.$revision"
 	  # Darwin ld doesn't like 0 for these options...
 	  minor_current=`expr $current + 1`
-	  xlcverstring="${wl}-compatibility_version ${wl}$minor_current ${wl}-current_version ${wl}$minor_current.$revision"
-	  verstring="-compatibility_version $minor_current -current_version $minor_current.$revision"
+	  verstring="${wl}-compatibility_version ${wl}$minor_current ${wl}-current_version ${wl}$minor_current.$revision"
 	  ;;
 
 	freebsd-aout)
@@ -3316,11 +3304,8 @@ EOF
 	  ;;
 
 	irix | nonstopux)
-	  if test "X$lt_irix_increment" = "Xno"; then
-	    major=`expr $current - $age`
-	  else
-	    major=`expr $current - $age + 1`
-	  fi
+	  major=`expr $current - $age + 1`
+
 	  case $version_type in
 	    nonstopux) verstring_prefix=nonstopux ;;
 	    *)         verstring_prefix=sgi ;;
@@ -3457,11 +3442,11 @@ EOF
       fi
 
       # Eliminate all temporary directories.
-      #for path in $notinst_path; do
-      #	lib_search_path=`$echo "$lib_search_path " | ${SED} -e "s% $path % %g"`
-      #	deplibs=`$echo "$deplibs " | ${SED} -e "s% -L$path % %g"`
-      #	dependency_libs=`$echo "$dependency_libs " | ${SED} -e "s% -L$path % %g"`
-      #done
+#      for path in $notinst_path; do
+#	lib_search_path=`$echo "$lib_search_path " | ${SED} -e "s% $path % %g"`
+#	deplibs=`$echo "$deplibs " | ${SED} -e "s% -L$path % %g"`
+#	dependency_libs=`$echo "$dependency_libs " | ${SED} -e "s% -L$path % %g"`
+#      done
 
       if test -n "$xrpath"; then
 	# If the user specified any rpath flags, then add them.
@@ -3562,7 +3547,7 @@ EOF
 	  int main() { return 0; }
 EOF
 	  $rm conftest
-	  if $LTCC $LTCFLAGS -o conftest conftest.c $deplibs; then
+      if $LTCC $LTCFLAGS -o conftest conftest.c $deplibs; then
 	    ldd_output=`ldd conftest`
 	    for i in $deplibs; do
 	      name=`expr $i : '-l\(.*\)'`
@@ -3924,10 +3909,7 @@ EOF
 	     test -n "$hardcode_libdirs"; then
 	    libdir="$hardcode_libdirs"
 	    if test -n "$hardcode_libdir_flag_spec_ld"; then
-	      case $archive_cmds in
-	      *\$LD*) eval dep_rpath=\"$hardcode_libdir_flag_spec_ld\" ;;
-	      *)      eval dep_rpath=\"$hardcode_libdir_flag_spec\" ;;
-	      esac
+	      eval dep_rpath=\"$hardcode_libdir_flag_spec_ld\"
 	    else
 	      eval dep_rpath=\"$hardcode_libdir_flag_spec\"
 	    fi
@@ -4293,7 +4275,7 @@ EOF
       if test -n "$convenience"; then
 	if test -n "$whole_archive_flag_spec"; then
 	  eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\"
-	  reload_conv_objs=$reload_objs\ `$echo "X$tmp_whole_archive_flags" | $Xsed -e 's|,| |g'`
+      reload_conv_objs=$reload_objs\ `$echo "X$tmp_whole_archive_flags" | $Xsed -e 's|,| |g'`
 	else
 	  gentop="$output_objdir/${obj}x"
 	  generated="$generated $gentop"
@@ -5313,8 +5295,6 @@ if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then
 else
   case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac
 fi
-BIN_SH=xpg4; export BIN_SH # for Tru64
-DUALCASE=1; export DUALCASE # for MKS sh
 
 # The HP-UX ksh and POSIX shell print the target directory to stdout
 # if CDPATH is set.
@@ -6411,10 +6391,8 @@ relink_command=\"$relink_command\""
 	if test -f "$dir/$objdir/$dlname"; then
 	  dir="$dir/$objdir"
 	else
-	  if test ! -f "$dir/$dlname"; then
-	    $echo "$modename: cannot find \`$dlname' in \`$dir' or \`$dir/$objdir'" 1>&2
-	    exit $EXIT_FAILURE
-	  fi
+	  $echo "$modename: cannot find \`$dlname' in \`$dir' or \`$dir/$objdir'" 1>&2
+	  exit $EXIT_FAILURE
 	fi
 	;;
 
@@ -6480,11 +6458,14 @@ relink_command=\"$relink_command\""
       # Restore saved environment variables
       for lt_var in LANG LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES
       do
-	eval "if test \"\${save_$lt_var+set}\" = set; then
-		$lt_var=\$save_$lt_var; export $lt_var
-	      fi"
+       eval "if test \"\${save_$lt_var+set}\" = set; then
+               $lt_var=\$save_$lt_var; export $lt_var
+             else
+               $lt_unset $lt_var
+             fi"
       done
 
+
       # Now prepare to actually exec the command.
       exec_cmd="\$cmd$args"
     else