--- a/common/autoconf/Makefile.in	Mon Feb 24 12:16:58 2014 +0100
+++ b/common/autoconf/Makefile.in	Mon Feb 24 13:29:26 2014 +0100
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -24,4 +24,4 @@
 # This Makefile was generated by configure @DATE_WHEN_CONFIGURED@
 # GENERATED FILE, DO NOT EDIT
 SPEC:=@OUTPUT_ROOT@/spec.gmk
-include @SRC_ROOT@/Makefile
+include @TOPDIR@/Makefile

--- a/common/autoconf/autogen.sh	Mon Feb 24 12:16:58 2014 +0100
+++ b/common/autoconf/autogen.sh	Mon Feb 24 13:29:26 2014 +0100
@@ -22,6 +22,23 @@
 # questions.
 #
 
+generate_configure_script() {
+  # First create a header
+  cat > $1 << EOT
+#!/bin/bash
+#
+# ##########################################################
+# ### THIS FILE IS AUTOMATICALLY GENERATED. DO NOT EDIT. ###
+# ##########################################################
+#
+EOT
+  # Then replace "magic" variables in configure.ac and append the output
+  # from autoconf. $2 is either cat (just a no-op) or a filter.
+  cat $script_dir/configure.ac | sed -e "s|@DATE_WHEN_GENERATED@|$TIMESTAMP|" | \
+      eval $2 | ${AUTOCONF} -W all -I$script_dir - >> $1
+  rm -rf autom4te.cache
+}
+
 script_dir=`dirname $0`
 
 # Create a timestamp as seconds since epoch
@@ -36,7 +53,8 @@
 fi
 
 if test "x$CUSTOM_CONFIG_DIR" = "x"; then
-  custom_script_dir="$script_dir/../../closed/autoconf"
+  topdir=`cd $script_dir/../..  >/dev/null && pwd`
+  custom_script_dir="$topdir/closed/autoconf"
 else
   custom_script_dir=$CUSTOM_CONFIG_DIR
 fi
@@ -45,25 +63,23 @@
 
 AUTOCONF="`which autoconf 2> /dev/null | grep -v '^no autoconf in'`"
 
-echo "Autoconf found: ${AUTOCONF}"
-
 if test "x${AUTOCONF}" = x; then
-  echo You need autoconf installed to be able to regenerate the configure script
-  echo Error: Cannot find autoconf 1>&2
+  echo "You need autoconf installed to be able to regenerate the configure script"
+  echo "Error: Cannot find autoconf" 1>&2
   exit 1
 fi
 
-echo Generating generated-configure.sh with ${AUTOCONF}
-cat $script_dir/configure.ac  | sed -e "s|@DATE_WHEN_GENERATED@|$TIMESTAMP|" | ${AUTOCONF} -W all -I$script_dir - > $script_dir/generated-configure.sh
-rm -rf autom4te.cache
+autoconf_version=`$AUTOCONF --version | head -1`
+echo "Using autoconf at ${AUTOCONF} [$autoconf_version]"
+
+echo "Generating generated-configure.sh"
+generate_configure_script "$script_dir/generated-configure.sh" 'cat'
 
 if test -e $custom_hook; then
-  echo Generating custom generated-configure.sh
   # We have custom sources available; also generate configure script
   # with custom hooks compiled in.
-  cat $script_dir/configure.ac | sed -e "s|@DATE_WHEN_GENERATED@|$TIMESTAMP|" | \
-      sed -e "s|#CUSTOM_AUTOCONF_INCLUDE|m4_include([$custom_hook])|" | ${AUTOCONF} -W all -I$script_dir - > $custom_script_dir/generated-configure.sh
-  rm -rf autom4te.cache
+  echo "Generating custom generated-configure.sh"
+  generate_configure_script "$custom_script_dir/generated-configure.sh" 'sed -e "s|#CUSTOM_AUTOCONF_INCLUDE|m4_include([$custom_hook])|"'
 else
-  echo No custom hook found:  $custom_hook
+  echo "(No custom hook found at $custom_hook)"
 fi

--- a/common/autoconf/basics.m4	Mon Feb 24 12:16:58 2014 +0100
+++ b/common/autoconf/basics.m4	Mon Feb 24 13:29:26 2014 +0100
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -418,14 +418,21 @@
 # Setup basic configuration paths, and platform-specific stuff related to PATHs.
 AC_DEFUN_ONCE([BASIC_SETUP_PATHS],
 [
-  # Locate the directory of this script.
-  SCRIPT="[$]0"
-  AUTOCONF_DIR=`cd \`$DIRNAME $SCRIPT\`; $THEPWDCMD -L`
+  # We get the top-level directory from the supporting wrappers.
+  AC_MSG_CHECKING([for top-level directory])
+  AC_MSG_RESULT([$TOPDIR])
+  BASIC_FIXUP_PATH(TOPDIR)
+  AC_SUBST(TOPDIR)
 
-  # Where is the source? It is located two levels above the configure script.
+  # SRC_ROOT is a traditional alias for TOPDIR.
+  SRC_ROOT=$TOPDIR
+
+  # Locate the directory of this script.
+  AUTOCONF_DIR=$TOPDIR/common/autoconf
+
+  # Save the current directory this script was started from
   CURDIR="$PWD"
-  cd "$AUTOCONF_DIR/../.."
-  SRC_ROOT="`$THEPWDCMD -L`"
+  BASIC_FIXUP_PATH(CURDIR)
 
   if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
     PATH_SEP=";"
@@ -433,13 +440,7 @@
   else
     PATH_SEP=":"
   fi
-
-  AC_SUBST(SRC_ROOT)
   AC_SUBST(PATH_SEP)
-  cd "$CURDIR"
-
-  BASIC_FIXUP_PATH(SRC_ROOT)
-  BASIC_FIXUP_PATH(CURDIR)
 
   if test "x$OPENJDK_BUILD_OS" = "xsolaris"; then
     # Add extra search paths on solaris for utilities like ar and as etc...
@@ -487,13 +488,17 @@
       [ CONF_NAME=${with_conf_name} ])
 
   # Test from where we are running configure, in or outside of src root.
+  AC_MSG_CHECKING([where to store configuration])
   if test "x$CURDIR" = "x$SRC_ROOT" || test "x$CURDIR" = "x$SRC_ROOT/common" \
       || test "x$CURDIR" = "x$SRC_ROOT/common/autoconf" \
       || test "x$CURDIR" = "x$SRC_ROOT/make" ; then
     # We are running configure from the src root.
     # Create a default ./build/target-variant-debuglevel output root.
     if test "x${CONF_NAME}" = x; then
+      AC_MSG_RESULT([in default location])
       CONF_NAME="${OPENJDK_TARGET_OS}-${OPENJDK_TARGET_CPU}-${JDK_VARIANT}-${ANDED_JVM_VARIANTS}-${DEBUG_LEVEL}"
+    else
+      AC_MSG_RESULT([in build directory with custom name])
     fi
     OUTPUT_ROOT="$SRC_ROOT/build/${CONF_NAME}"
     $MKDIR -p "$OUTPUT_ROOT"
@@ -509,6 +514,7 @@
       CONF_NAME=`$ECHO $CURDIR | $SED -e "s!^${SRC_ROOT}/build/!!"`
     fi
     OUTPUT_ROOT="$CURDIR"
+    AC_MSG_RESULT([in current directory])
 
     # WARNING: This might be a bad thing to do. You need to be sure you want to
     # have a configuration in this directory. Do some sanity checks!

--- a/common/autoconf/compare.sh.in	Mon Feb 24 12:16:58 2014 +0100
+++ b/common/autoconf/compare.sh.in	Mon Feb 24 13:29:26 2014 +0100
@@ -1,6 +1,6 @@
 #!/bin/bash
 #
-# Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -64,7 +64,7 @@
 UNPACK200="@FIXPATH@ @BOOT_JDK@/bin/unpack200"
 UNZIP="@UNZIP@"
 
-SRC_ROOT="@SRC_ROOT@"
+SRC_ROOT="@TOPDIR@"
 
 if [ "$OPENJDK_TARGET_OS" = "windows" ]; then
   PATH="@VS_PATH@"

--- a/common/autoconf/configure	Mon Feb 24 12:16:58 2014 +0100
+++ b/common/autoconf/configure	Mon Feb 24 13:29:26 2014 +0100
@@ -22,18 +22,25 @@
 # questions.
 #
 
-if test "x$BASH_VERSION" = x; then
-  echo This script needs bash to run.
-  echo It is recommended to use the configure script in the source tree root instead.
+if test "x$1" != xCHECKME; then
+  echo "This script cannot be run directly."
+  echo "Use the 'configure' script in the top-level directory instead."
   exit 1
 fi
 
-conf_script_dir=`dirname $0`
+# Now the next argument is the absolute top-level directory path.
+# The TOPDIR variable is passed on to configure.ac.
+TOPDIR="$2"
+# Remove these two arguments to get to the user supplied arguments
+shift
+shift
+
+conf_script_dir="$TOPDIR/common/autoconf"
 
 if [ "$CUSTOM_CONFIG_DIR" = "" ]; then
-  conf_custom_script_dir="$conf_script_dir/../../closed/autoconf"
+  conf_custom_script_dir="$TOPDIR/closed/autoconf"
 else
-  conf_custom_script_dir=$CUSTOM_CONFIG_DIR
+  conf_custom_script_dir="$CUSTOM_CONFIG_DIR"
 fi
 
 ###
@@ -226,10 +233,10 @@
 ###
 if test -e $conf_custom_script_dir/generated-configure.sh; then
   # Custom source configure available; run that instead
-  echo Running custom generated-configure.sh
+  echo "Running custom generated-configure.sh"
   conf_script_to_run=$conf_custom_script_dir/generated-configure.sh
 else
-  echo Running generated-configure.sh
+  echo "Running generated-configure.sh"
   conf_script_to_run=$conf_script_dir/generated-configure.sh
 fi
 

--- a/common/autoconf/configure.ac	Mon Feb 24 12:16:58 2014 +0100
+++ b/common/autoconf/configure.ac	Mon Feb 24 13:29:26 2014 +0100
@@ -33,7 +33,7 @@
 AC_PREREQ([2.69])
 AC_INIT(OpenJDK, jdk8, build-dev@openjdk.java.net,,http://openjdk.java.net)
 
-AC_CONFIG_AUX_DIR([build-aux])
+AC_CONFIG_AUX_DIR([common/autoconf/build-aux])
 m4_include([build-aux/pkg.m4])
 
 # Include these first...

--- a/common/autoconf/generated-configure.sh	Mon Feb 24 12:16:58 2014 +0100
+++ b/common/autoconf/generated-configure.sh	Mon Feb 24 13:29:26 2014 +0100
@@ -1,3 +1,9 @@
+#!/bin/bash
+#
+# ##########################################################
+# ### THIS FILE IS AUTOMATICALLY GENERATED. DO NOT EDIT. ###
+# ##########################################################
+#
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.69 for OpenJDK jdk8.
@@ -877,7 +883,7 @@
 BUILD_LOG
 SYS_ROOT
 PATH_SEP
-SRC_ROOT
+TOPDIR
 ZERO_ARCHDEF
 DEFINE_CROSS_COMPILE_ARCH
 LP64
@@ -3156,7 +3162,7 @@
 
 
 ac_aux_dir=
-for ac_dir in build-aux "$srcdir"/build-aux; do
+for ac_dir in common/autoconf/build-aux "$srcdir"/common/autoconf/build-aux; do
   if test -f "$ac_dir/install-sh"; then
     ac_aux_dir=$ac_dir
     ac_install_sh="$ac_aux_dir/install-sh -c"
@@ -3172,7 +3178,7 @@
   fi
 done
 if test -z "$ac_aux_dir"; then
-  as_fn_error $? "cannot find install-sh, install.sh, or shtool in build-aux \"$srcdir\"/build-aux" "$LINENO" 5
+  as_fn_error $? "cannot find install-sh, install.sh, or shtool in common/autoconf/build-aux \"$srcdir\"/common/autoconf/build-aux" "$LINENO" 5
 fi
 
 # These three variables are undocumented and unsupported,
@@ -3274,7 +3280,7 @@
 
 # Include these first...
 #
-# Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -4214,7 +4220,7 @@
 #CUSTOM_AUTOCONF_INCLUDE
 
 # Do not change or remove the following line, it is needed for consistency checks:
-DATE_WHEN_GENERATED=1393240361
+DATE_WHEN_GENERATED=1393244882
 
 ###############################################################################
 #
@@ -13863,237 +13869,143 @@
 
 # Continue setting up basic stuff. Most remaining code require fundamental tools.
 
+  # We get the top-level directory from the supporting wrappers.
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for top-level directory" >&5
+$as_echo_n "checking for top-level directory... " >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $TOPDIR" >&5
+$as_echo "$TOPDIR" >&6; }
+
+  if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
+
+  # Input might be given as Windows format, start by converting to
+  # unix format.
+  path="$TOPDIR"
+  new_path=`$CYGPATH -u "$path"`
+
+  # Cygwin tries to hide some aspects of the Windows file system, such that binaries are
+  # named .exe but called without that suffix. Therefore, "foo" and "foo.exe" are considered
+  # the same file, most of the time (as in "test -f"). But not when running cygpath -s, then
+  # "foo.exe" is OK but "foo" is an error.
+  #
+  # This test is therefore slightly more accurate than "test -f" to check for file precense.
+  # It is also a way to make sure we got the proper file name for the real test later on.
+  test_shortpath=`$CYGPATH -s -m "$new_path" 2> /dev/null`
+  if test "x$test_shortpath" = x; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: The path of TOPDIR, which resolves as \"$path\", is invalid." >&5
+$as_echo "$as_me: The path of TOPDIR, which resolves as \"$path\", is invalid." >&6;}
+    as_fn_error $? "Cannot locate the the path of TOPDIR" "$LINENO" 5
+  fi
+
+  # Call helper function which possibly converts this using DOS-style short mode.
+  # If so, the updated path is stored in $new_path.
+
+  input_path="$new_path"
+  # Check if we need to convert this using DOS-style short mode. If the path
+  # contains just simple characters, use it. Otherwise (spaces, weird characters),
+  # take no chances and rewrite it.
+  # Note: m4 eats our [], so we need to use [ and ] instead.
+  has_forbidden_chars=`$ECHO "$input_path" | $GREP [^-._/a-zA-Z0-9]`
+  if test "x$has_forbidden_chars" != x; then
+    # Now convert it to mixed DOS-style, short mode (no spaces, and / instead of \)
+    shortmode_path=`$CYGPATH -s -m -a "$input_path"`
+    path_after_shortmode=`$CYGPATH -u "$shortmode_path"`
+    if test "x$path_after_shortmode" != "x$input_to_shortpath"; then
+      # Going to short mode and back again did indeed matter. Since short mode is
+      # case insensitive, let's make it lowercase to improve readability.
+      shortmode_path=`$ECHO "$shortmode_path" | $TR 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
+      # Now convert it back to Unix-stile (cygpath)
+      input_path=`$CYGPATH -u "$shortmode_path"`
+      new_path="$input_path"
+    fi
+  fi
+
+  test_cygdrive_prefix=`$ECHO $input_path | $GREP ^/cygdrive/`
+  if test "x$test_cygdrive_prefix" = x; then
+    # As a simple fix, exclude /usr/bin since it's not a real path.
+    if test "x`$ECHO $new_path | $GREP ^/usr/bin/`" = x; then
+      # The path is in a Cygwin special directory (e.g. /home). We need this converted to
+      # a path prefixed by /cygdrive for fixpath to work.
+      new_path="$CYGWIN_ROOT_PATH$input_path"
+    fi
+  fi
+
+
+  if test "x$path" != "x$new_path"; then
+    TOPDIR="$new_path"
+    { $as_echo "$as_me:${as_lineno-$LINENO}: Rewriting TOPDIR to \"$new_path\"" >&5
+$as_echo "$as_me: Rewriting TOPDIR to \"$new_path\"" >&6;}
+  fi
+
+  elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
+
+  path="$TOPDIR"
+  has_colon=`$ECHO $path | $GREP ^.:`
+  new_path="$path"
+  if test "x$has_colon" = x; then
+    # Not in mixed or Windows style, start by that.
+    new_path=`cmd //c echo $path`
+  fi
+
+
+  input_path="$new_path"
+  # Check if we need to convert this using DOS-style short mode. If the path
+  # contains just simple characters, use it. Otherwise (spaces, weird characters),
+  # take no chances and rewrite it.
+  # Note: m4 eats our [], so we need to use [ and ] instead.
+  has_forbidden_chars=`$ECHO "$input_path" | $GREP [^-_/:a-zA-Z0-9]`
+  if test "x$has_forbidden_chars" != x; then
+    # Now convert it to mixed DOS-style, short mode (no spaces, and / instead of \)
+    new_path=`cmd /c "for %A in (\"$input_path\") do @echo %~sA"|$TR \\\\\\\\ / | $TR 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
+  fi
+
+
+  windows_path="$new_path"
+  if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
+    unix_path=`$CYGPATH -u "$windows_path"`
+    new_path="$unix_path"
+  elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
+    unix_path=`$ECHO "$windows_path" | $SED -e 's,^\\(.\\):,/\\1,g' -e 's,\\\\,/,g'`
+    new_path="$unix_path"
+  fi
+
+  if test "x$path" != "x$new_path"; then
+    TOPDIR="$new_path"
+    { $as_echo "$as_me:${as_lineno-$LINENO}: Rewriting TOPDIR to \"$new_path\"" >&5
+$as_echo "$as_me: Rewriting TOPDIR to \"$new_path\"" >&6;}
+  fi
+
+  # Save the first 10 bytes of this path to the storage, so fixpath can work.
+  all_fixpath_prefixes=("${all_fixpath_prefixes[@]}" "${new_path:0:10}")
+
+  else
+    # We're on a posix platform. Hooray! :)
+    path="$TOPDIR"
+    has_space=`$ECHO "$path" | $GREP " "`
+    if test "x$has_space" != x; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: The path of TOPDIR, which resolves as \"$path\", is invalid." >&5
+$as_echo "$as_me: The path of TOPDIR, which resolves as \"$path\", is invalid." >&6;}
+      as_fn_error $? "Spaces are not allowed in this path." "$LINENO" 5
+    fi
+
+    # Use eval to expand a potential ~
+    eval path="$path"
+    if test ! -f "$path" && test ! -d "$path"; then
+      as_fn_error $? "The path of TOPDIR, which resolves as \"$path\", is not found." "$LINENO" 5
+    fi
+
+    TOPDIR="`cd "$path"; $THEPWDCMD -L`"
+  fi
+
+
+
+  # SRC_ROOT is a traditional alias for TOPDIR.
+  SRC_ROOT=$TOPDIR
+
   # Locate the directory of this script.
-  SCRIPT="$0"
-  AUTOCONF_DIR=`cd \`$DIRNAME $SCRIPT\`; $THEPWDCMD -L`
-
-  # Where is the source? It is located two levels above the configure script.
+  AUTOCONF_DIR=$TOPDIR/common/autoconf
+
+  # Save the current directory this script was started from
   CURDIR="$PWD"
-  cd "$AUTOCONF_DIR/../.."
-  SRC_ROOT="`$THEPWDCMD -L`"
-
-  if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
-    PATH_SEP=";"
-
-  SRC_ROOT_LENGTH=`$THEPWDCMD -L|$WC -m`
-  if test $SRC_ROOT_LENGTH -gt 100; then
-    as_fn_error $? "Your base path is too long. It is $SRC_ROOT_LENGTH characters long, but only 100 is supported" "$LINENO" 5
-  fi
-
-  if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking cygwin release" >&5
-$as_echo_n "checking cygwin release... " >&6; }
-    CYGWIN_VERSION=`$UNAME -r`
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CYGWIN_VERSION" >&5
-$as_echo "$CYGWIN_VERSION" >&6; }
-    WINDOWS_ENV_VENDOR='cygwin'
-    WINDOWS_ENV_VERSION="$CYGWIN_VERSION"
-
-    CYGWIN_VERSION_OK=`$ECHO $CYGWIN_VERSION | $GREP ^1.7.`
-    if test "x$CYGWIN_VERSION_OK" = x; then
-      { $as_echo "$as_me:${as_lineno-$LINENO}: Your cygwin is too old. You are running $CYGWIN_VERSION, but at least cygwin 1.7 is required. Please upgrade." >&5
-$as_echo "$as_me: Your cygwin is too old. You are running $CYGWIN_VERSION, but at least cygwin 1.7 is required. Please upgrade." >&6;}
-      as_fn_error $? "Cannot continue" "$LINENO" 5
-    fi
-    if test "x$CYGPATH" = x; then
-      as_fn_error $? "Something is wrong with your cygwin installation since I cannot find cygpath.exe in your path" "$LINENO" 5
-    fi
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking cygwin root directory as unix-style path" >&5
-$as_echo_n "checking cygwin root directory as unix-style path... " >&6; }
-    # The cmd output ends with Windows line endings (CR/LF), the grep command will strip that away
-    cygwin_winpath_root=`cd / ; cmd /c cd | grep ".*"`
-    # Force cygpath to report the proper root by including a trailing space, and then stripping it off again.
-    CYGWIN_ROOT_PATH=`$CYGPATH -u "$cygwin_winpath_root " | $CUT -f 1 -d " "`
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CYGWIN_ROOT_PATH" >&5
-$as_echo "$CYGWIN_ROOT_PATH" >&6; }
-    WINDOWS_ENV_ROOT_PATH="$CYGWIN_ROOT_PATH"
-    test_cygdrive_prefix=`$ECHO $CYGWIN_ROOT_PATH | $GREP ^/cygdrive/`
-    if test "x$test_cygdrive_prefix" = x; then
-      as_fn_error $? "Your cygdrive prefix is not /cygdrive. This is currently not supported. Change with mount -c." "$LINENO" 5
-    fi
-  elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking msys release" >&5
-$as_echo_n "checking msys release... " >&6; }
-    MSYS_VERSION=`$UNAME -r`
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MSYS_VERSION" >&5
-$as_echo "$MSYS_VERSION" >&6; }
-
-    WINDOWS_ENV_VENDOR='msys'
-    WINDOWS_ENV_VERSION="$MSYS_VERSION"
-
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking msys root directory as unix-style path" >&5
-$as_echo_n "checking msys root directory as unix-style path... " >&6; }
-    # The cmd output ends with Windows line endings (CR/LF), the grep command will strip that away
-    MSYS_ROOT_PATH=`cd / ; cmd /c cd | grep ".*"`
-
-  windows_path="$MSYS_ROOT_PATH"
-  if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
-    unix_path=`$CYGPATH -u "$windows_path"`
-    MSYS_ROOT_PATH="$unix_path"
-  elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
-    unix_path=`$ECHO "$windows_path" | $SED -e 's,^\\(.\\):,/\\1,g' -e 's,\\\\,/,g'`
-    MSYS_ROOT_PATH="$unix_path"
-  fi
-
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MSYS_ROOT_PATH" >&5
-$as_echo "$MSYS_ROOT_PATH" >&6; }
-    WINDOWS_ENV_ROOT_PATH="$MSYS_ROOT_PATH"
-  else
-    as_fn_error $? "Unknown Windows environment. Neither cygwin nor msys was detected." "$LINENO" 5
-  fi
-
-  # Test if windows or unix (cygwin/msys) find is first in path.
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking what kind of 'find' is first on the PATH" >&5
-$as_echo_n "checking what kind of 'find' is first on the PATH... " >&6; }
-  FIND_BINARY_OUTPUT=`find --version 2>&1`
-  if test "x`echo $FIND_BINARY_OUTPUT | $GREP GNU`" != x; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: unix style" >&5
-$as_echo "unix style" >&6; }
-  elif test "x`echo $FIND_BINARY_OUTPUT | $GREP FIND`" != x; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: Windows" >&5
-$as_echo "Windows" >&6; }
-    { $as_echo "$as_me:${as_lineno-$LINENO}: Your path contains Windows tools (C:\Windows\system32) before your unix (cygwin or msys) tools." >&5
-$as_echo "$as_me: Your path contains Windows tools (C:\Windows\system32) before your unix (cygwin or msys) tools." >&6;}
-    { $as_echo "$as_me:${as_lineno-$LINENO}: This will not work. Please correct and make sure /usr/bin (or similar) is first in path." >&5
-$as_echo "$as_me: This will not work. Please correct and make sure /usr/bin (or similar) is first in path." >&6;}
-    as_fn_error $? "Cannot continue" "$LINENO" 5
-  else
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: unknown" >&5
-$as_echo "unknown" >&6; }
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: It seems that your find utility is non-standard." >&5
-$as_echo "$as_me: WARNING: It seems that your find utility is non-standard." >&2;}
-  fi
-
-  else
-    PATH_SEP=":"
-  fi
-
-
-
-  cd "$CURDIR"
-
-
-  if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
-
-  # Input might be given as Windows format, start by converting to
-  # unix format.
-  path="$SRC_ROOT"
-  new_path=`$CYGPATH -u "$path"`
-
-  # Cygwin tries to hide some aspects of the Windows file system, such that binaries are
-  # named .exe but called without that suffix. Therefore, "foo" and "foo.exe" are considered
-  # the same file, most of the time (as in "test -f"). But not when running cygpath -s, then
-  # "foo.exe" is OK but "foo" is an error.
-  #
-  # This test is therefore slightly more accurate than "test -f" to check for file precense.
-  # It is also a way to make sure we got the proper file name for the real test later on.
-  test_shortpath=`$CYGPATH -s -m "$new_path" 2> /dev/null`
-  if test "x$test_shortpath" = x; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: The path of SRC_ROOT, which resolves as \"$path\", is invalid." >&5
-$as_echo "$as_me: The path of SRC_ROOT, which resolves as \"$path\", is invalid." >&6;}
-    as_fn_error $? "Cannot locate the the path of SRC_ROOT" "$LINENO" 5
-  fi
-
-  # Call helper function which possibly converts this using DOS-style short mode.
-  # If so, the updated path is stored in $new_path.
-
-  input_path="$new_path"
-  # Check if we need to convert this using DOS-style short mode. If the path
-  # contains just simple characters, use it. Otherwise (spaces, weird characters),
-  # take no chances and rewrite it.
-  # Note: m4 eats our [], so we need to use [ and ] instead.
-  has_forbidden_chars=`$ECHO "$input_path" | $GREP [^-._/a-zA-Z0-9]`
-  if test "x$has_forbidden_chars" != x; then
-    # Now convert it to mixed DOS-style, short mode (no spaces, and / instead of \)
-    shortmode_path=`$CYGPATH -s -m -a "$input_path"`
-    path_after_shortmode=`$CYGPATH -u "$shortmode_path"`
-    if test "x$path_after_shortmode" != "x$input_to_shortpath"; then
-      # Going to short mode and back again did indeed matter. Since short mode is
-      # case insensitive, let's make it lowercase to improve readability.
-      shortmode_path=`$ECHO "$shortmode_path" | $TR 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
-      # Now convert it back to Unix-stile (cygpath)
-      input_path=`$CYGPATH -u "$shortmode_path"`
-      new_path="$input_path"
-    fi
-  fi
-
-  test_cygdrive_prefix=`$ECHO $input_path | $GREP ^/cygdrive/`
-  if test "x$test_cygdrive_prefix" = x; then
-    # As a simple fix, exclude /usr/bin since it's not a real path.
-    if test "x`$ECHO $new_path | $GREP ^/usr/bin/`" = x; then
-      # The path is in a Cygwin special directory (e.g. /home). We need this converted to
-      # a path prefixed by /cygdrive for fixpath to work.
-      new_path="$CYGWIN_ROOT_PATH$input_path"
-    fi
-  fi
-
-
-  if test "x$path" != "x$new_path"; then
-    SRC_ROOT="$new_path"
-    { $as_echo "$as_me:${as_lineno-$LINENO}: Rewriting SRC_ROOT to \"$new_path\"" >&5
-$as_echo "$as_me: Rewriting SRC_ROOT to \"$new_path\"" >&6;}
-  fi
-
-  elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
-
-  path="$SRC_ROOT"
-  has_colon=`$ECHO $path | $GREP ^.:`
-  new_path="$path"
-  if test "x$has_colon" = x; then
-    # Not in mixed or Windows style, start by that.
-    new_path=`cmd //c echo $path`
-  fi
-
-
-  input_path="$new_path"
-  # Check if we need to convert this using DOS-style short mode. If the path
-  # contains just simple characters, use it. Otherwise (spaces, weird characters),
-  # take no chances and rewrite it.
-  # Note: m4 eats our [], so we need to use [ and ] instead.
-  has_forbidden_chars=`$ECHO "$input_path" | $GREP [^-_/:a-zA-Z0-9]`
-  if test "x$has_forbidden_chars" != x; then
-    # Now convert it to mixed DOS-style, short mode (no spaces, and / instead of \)
-    new_path=`cmd /c "for %A in (\"$input_path\") do @echo %~sA"|$TR \\\\\\\\ / | $TR 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
-  fi
-
-
-  windows_path="$new_path"
-  if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
-    unix_path=`$CYGPATH -u "$windows_path"`
-    new_path="$unix_path"
-  elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
-    unix_path=`$ECHO "$windows_path" | $SED -e 's,^\\(.\\):,/\\1,g' -e 's,\\\\,/,g'`
-    new_path="$unix_path"
-  fi
-
-  if test "x$path" != "x$new_path"; then
-    SRC_ROOT="$new_path"
-    { $as_echo "$as_me:${as_lineno-$LINENO}: Rewriting SRC_ROOT to \"$new_path\"" >&5
-$as_echo "$as_me: Rewriting SRC_ROOT to \"$new_path\"" >&6;}
-  fi
-
-  # Save the first 10 bytes of this path to the storage, so fixpath can work.
-  all_fixpath_prefixes=("${all_fixpath_prefixes[@]}" "${new_path:0:10}")
-
-  else
-    # We're on a posix platform. Hooray! :)
-    path="$SRC_ROOT"
-    has_space=`$ECHO "$path" | $GREP " "`
-    if test "x$has_space" != x; then
-      { $as_echo "$as_me:${as_lineno-$LINENO}: The path of SRC_ROOT, which resolves as \"$path\", is invalid." >&5
-$as_echo "$as_me: The path of SRC_ROOT, which resolves as \"$path\", is invalid." >&6;}
-      as_fn_error $? "Spaces are not allowed in this path." "$LINENO" 5
-    fi
-
-    # Use eval to expand a potential ~
-    eval path="$path"
-    if test ! -f "$path" && test ! -d "$path"; then
-      as_fn_error $? "The path of SRC_ROOT, which resolves as \"$path\", is not found." "$LINENO" 5
-    fi
-
-    SRC_ROOT="`cd "$path"; $THEPWDCMD -L`"
-  fi
-
 
   if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
 
@@ -14217,6 +14129,103 @@
   fi
 
 
+  if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
+    PATH_SEP=";"
+
+  SRC_ROOT_LENGTH=`$THEPWDCMD -L|$WC -m`
+  if test $SRC_ROOT_LENGTH -gt 100; then
+    as_fn_error $? "Your base path is too long. It is $SRC_ROOT_LENGTH characters long, but only 100 is supported" "$LINENO" 5
+  fi
+
+  if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking cygwin release" >&5
+$as_echo_n "checking cygwin release... " >&6; }
+    CYGWIN_VERSION=`$UNAME -r`
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CYGWIN_VERSION" >&5
+$as_echo "$CYGWIN_VERSION" >&6; }
+    WINDOWS_ENV_VENDOR='cygwin'
+    WINDOWS_ENV_VERSION="$CYGWIN_VERSION"
+
+    CYGWIN_VERSION_OK=`$ECHO $CYGWIN_VERSION | $GREP ^1.7.`
+    if test "x$CYGWIN_VERSION_OK" = x; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: Your cygwin is too old. You are running $CYGWIN_VERSION, but at least cygwin 1.7 is required. Please upgrade." >&5
+$as_echo "$as_me: Your cygwin is too old. You are running $CYGWIN_VERSION, but at least cygwin 1.7 is required. Please upgrade." >&6;}
+      as_fn_error $? "Cannot continue" "$LINENO" 5
+    fi
+    if test "x$CYGPATH" = x; then
+      as_fn_error $? "Something is wrong with your cygwin installation since I cannot find cygpath.exe in your path" "$LINENO" 5
+    fi
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking cygwin root directory as unix-style path" >&5
+$as_echo_n "checking cygwin root directory as unix-style path... " >&6; }
+    # The cmd output ends with Windows line endings (CR/LF), the grep command will strip that away
+    cygwin_winpath_root=`cd / ; cmd /c cd | grep ".*"`
+    # Force cygpath to report the proper root by including a trailing space, and then stripping it off again.
+    CYGWIN_ROOT_PATH=`$CYGPATH -u "$cygwin_winpath_root " | $CUT -f 1 -d " "`
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CYGWIN_ROOT_PATH" >&5
+$as_echo "$CYGWIN_ROOT_PATH" >&6; }
+    WINDOWS_ENV_ROOT_PATH="$CYGWIN_ROOT_PATH"
+    test_cygdrive_prefix=`$ECHO $CYGWIN_ROOT_PATH | $GREP ^/cygdrive/`
+    if test "x$test_cygdrive_prefix" = x; then
+      as_fn_error $? "Your cygdrive prefix is not /cygdrive. This is currently not supported. Change with mount -c." "$LINENO" 5
+    fi
+  elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking msys release" >&5
+$as_echo_n "checking msys release... " >&6; }
+    MSYS_VERSION=`$UNAME -r`
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MSYS_VERSION" >&5
+$as_echo "$MSYS_VERSION" >&6; }
+
+    WINDOWS_ENV_VENDOR='msys'
+    WINDOWS_ENV_VERSION="$MSYS_VERSION"
+
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking msys root directory as unix-style path" >&5
+$as_echo_n "checking msys root directory as unix-style path... " >&6; }
+    # The cmd output ends with Windows line endings (CR/LF), the grep command will strip that away
+    MSYS_ROOT_PATH=`cd / ; cmd /c cd | grep ".*"`
+
+  windows_path="$MSYS_ROOT_PATH"
+  if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
+    unix_path=`$CYGPATH -u "$windows_path"`
+    MSYS_ROOT_PATH="$unix_path"
+  elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
+    unix_path=`$ECHO "$windows_path" | $SED -e 's,^\\(.\\):,/\\1,g' -e 's,\\\\,/,g'`
+    MSYS_ROOT_PATH="$unix_path"
+  fi
+
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MSYS_ROOT_PATH" >&5
+$as_echo "$MSYS_ROOT_PATH" >&6; }
+    WINDOWS_ENV_ROOT_PATH="$MSYS_ROOT_PATH"
+  else
+    as_fn_error $? "Unknown Windows environment. Neither cygwin nor msys was detected." "$LINENO" 5
+  fi
+
+  # Test if windows or unix (cygwin/msys) find is first in path.
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking what kind of 'find' is first on the PATH" >&5
+$as_echo_n "checking what kind of 'find' is first on the PATH... " >&6; }
+  FIND_BINARY_OUTPUT=`find --version 2>&1`
+  if test "x`echo $FIND_BINARY_OUTPUT | $GREP GNU`" != x; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: unix style" >&5
+$as_echo "unix style" >&6; }
+  elif test "x`echo $FIND_BINARY_OUTPUT | $GREP FIND`" != x; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: Windows" >&5
+$as_echo "Windows" >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: Your path contains Windows tools (C:\Windows\system32) before your unix (cygwin or msys) tools." >&5
+$as_echo "$as_me: Your path contains Windows tools (C:\Windows\system32) before your unix (cygwin or msys) tools." >&6;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: This will not work. Please correct and make sure /usr/bin (or similar) is first in path." >&5
+$as_echo "$as_me: This will not work. Please correct and make sure /usr/bin (or similar) is first in path." >&6;}
+    as_fn_error $? "Cannot continue" "$LINENO" 5
+  else
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: unknown" >&5
+$as_echo "unknown" >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: It seems that your find utility is non-standard." >&5
+$as_echo "$as_me: WARNING: It seems that your find utility is non-standard." >&2;}
+  fi
+
+  else
+    PATH_SEP=":"
+  fi
+
+
   if test "x$OPENJDK_BUILD_OS" = "xsolaris"; then
     # Add extra search paths on solaris for utilities like ar and as etc...
     PATH="$PATH:/usr/ccs/bin:/usr/sfw/bin:/opt/csw/bin"
@@ -14765,13 +14774,20 @@
 
 
   # Test from where we are running configure, in or outside of src root.
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking where to store configuration" >&5
+$as_echo_n "checking where to store configuration... " >&6; }
   if test "x$CURDIR" = "x$SRC_ROOT" || test "x$CURDIR" = "x$SRC_ROOT/common" \
       || test "x$CURDIR" = "x$SRC_ROOT/common/autoconf" \
       || test "x$CURDIR" = "x$SRC_ROOT/make" ; then
     # We are running configure from the src root.
     # Create a default ./build/target-variant-debuglevel output root.
     if test "x${CONF_NAME}" = x; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: in default location" >&5
+$as_echo "in default location" >&6; }
       CONF_NAME="${OPENJDK_TARGET_OS}-${OPENJDK_TARGET_CPU}-${JDK_VARIANT}-${ANDED_JVM_VARIANTS}-${DEBUG_LEVEL}"
+    else
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: in build directory with custom name" >&5
+$as_echo "in build directory with custom name" >&6; }
     fi
     OUTPUT_ROOT="$SRC_ROOT/build/${CONF_NAME}"
     $MKDIR -p "$OUTPUT_ROOT"
@@ -14787,6 +14803,8 @@
       CONF_NAME=`$ECHO $CURDIR | $SED -e "s!^${SRC_ROOT}/build/!!"`
     fi
     OUTPUT_ROOT="$CURDIR"
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: in current directory" >&5
+$as_echo "in current directory" >&6; }
 
     # WARNING: This might be a bad thing to do. You need to be sure you want to
     # have a configuration in this directory. Do some sanity checks!

--- a/common/autoconf/spec.gmk.in	Mon Feb 24 12:16:58 2014 +0100
+++ b/common/autoconf/spec.gmk.in	Mon Feb 24 13:29:26 2014 +0100
@@ -70,8 +70,8 @@
 endif
 
 # Specify where the common include directory for makefiles is.
-ifeq (,$(findstring -I @SRC_ROOT@/make/common,$(MAKE)))
-  MAKE:=$(MAKE) -I @SRC_ROOT@/make/common
+ifeq (,$(findstring -I @TOPDIR@/make/common,$(MAKE)))
+  MAKE:=$(MAKE) -I @TOPDIR@/make/common
 endif
 
 # The "human readable" name of this configuration
@@ -136,10 +136,13 @@
 SYS_ROOT:=@SYS_ROOT@
 
 # Paths to the source code
-SRC_ROOT:=@SRC_ROOT@
 ADD_SRC_ROOT:=@ADD_SRC_ROOT@
 OVERRIDE_SRC_ROOT:=@OVERRIDE_SRC_ROOT@
-TOPDIR:=@SRC_ROOT@
+
+# The top-level directory of the forest (SRC_ROOT is a traditional alias)
+TOPDIR:=@TOPDIR@
+SRC_ROOT:=@TOPDIR@
+
 OUTPUT_ROOT:=@OUTPUT_ROOT@
 JDK_TOPDIR:=@JDK_TOPDIR@
 LANGTOOLS_TOPDIR:=@LANGTOOLS_TOPDIR@

--- a/configure	Mon Feb 24 12:16:58 2014 +0100
+++ b/configure	Mon Feb 24 13:29:26 2014 +0100
@@ -1,6 +1,6 @@
 #!/bin/bash
 #
-# Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -25,5 +25,10 @@
 # This is a thin wrapper which will call the real configure script, and
 # make sure that is called using bash.
 
+# Get an absolute path to this script, since that determines the top-level directory.
 this_script_dir=`dirname $0`
-bash $this_script_dir/common/autoconf/configure "$@"
+this_script_dir=`cd $this_script_dir > /dev/null && pwd`
+
+# Delegate to wrapper, forcing wrapper to believe $0 is this script by using -c.
+# This trick is needed to get autoconf to co-operate properly.
+bash -c ". $this_script_dir/common/autoconf/configure" $this_script_dir/configure CHECKME $this_script_dir "$@"