--- old/common/autoconf/generated-configure.sh	2014-03-13 16:56:52.480941998 +0100
+++ new/common/autoconf/generated-configure.sh	2014-03-13 16:56:52.360937122 +0100
@@ -796,6 +796,8 @@
 JAXP_TOPDIR
 CORBA_TOPDIR
 LANGTOOLS_TOPDIR
+JAVA_FLAGS_SMALL
+JAVA_FLAGS_BIG
 JAVA_FLAGS
 BOOT_JDK_JVMARGS
 JAVAC_FLAGS
@@ -4231,7 +4233,7 @@
 #CUSTOM_AUTOCONF_INCLUDE
 
 # Do not change or remove the following line, it is needed for consistency checks:
-DATE_WHEN_GENERATED=1394150589
+DATE_WHEN_GENERATED=1394726197
 
 ###############################################################################
 #
@@ -25866,6 +25868,54 @@
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking flags for boot jdk java command " >&5
 $as_echo_n "checking flags for boot jdk java command ... " >&6; }
 
+  # Disable special log output when a debug build is used as Boot JDK...
+
+  $ECHO "Check if jvm arg is ok: -XX:-PrintVMOptions -XX:-UnlockDiagnosticVMOptions -XX:-LogVMOutput" >&5
+  $ECHO "Command: $JAVA -XX:-PrintVMOptions -XX:-UnlockDiagnosticVMOptions -XX:-LogVMOutput -version" >&5
+  OUTPUT=`$JAVA -XX:-PrintVMOptions -XX:-UnlockDiagnosticVMOptions -XX:-LogVMOutput -version 2>&1`
+  FOUND_WARN=`$ECHO "$OUTPUT" | grep -i warn`
+  FOUND_VERSION=`$ECHO $OUTPUT | grep " version \""`
+  if test "x$FOUND_VERSION" != x && test "x$FOUND_WARN" = x; then
+    boot_jdk_jvmargs="$boot_jdk_jvmargs -XX:-PrintVMOptions -XX:-UnlockDiagnosticVMOptions -XX:-LogVMOutput"
+    JVM_ARG_OK=true
+  else
+    $ECHO "Arg failed:" >&5
+    $ECHO "$OUTPUT" >&5
+    JVM_ARG_OK=false
+  fi
+
+
+  # Apply user provided options.
+
+  $ECHO "Check if jvm arg is ok: $with_boot_jdk_jvmargs" >&5
+  $ECHO "Command: $JAVA $with_boot_jdk_jvmargs -version" >&5
+  OUTPUT=`$JAVA $with_boot_jdk_jvmargs -version 2>&1`
+  FOUND_WARN=`$ECHO "$OUTPUT" | grep -i warn`
+  FOUND_VERSION=`$ECHO $OUTPUT | grep " version \""`
+  if test "x$FOUND_VERSION" != x && test "x$FOUND_WARN" = x; then
+    boot_jdk_jvmargs="$boot_jdk_jvmargs $with_boot_jdk_jvmargs"
+    JVM_ARG_OK=true
+  else
+    $ECHO "Arg failed:" >&5
+    $ECHO "$OUTPUT" >&5
+    JVM_ARG_OK=false
+  fi
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $boot_jdk_jvmargs" >&5
+$as_echo "$boot_jdk_jvmargs" >&6; }
+
+  # For now, general JAVA_FLAGS are the same as the boot jdk jvmargs
+  JAVA_FLAGS=$boot_jdk_jvmargs
+
+  BOOT_JDK_JVMARGS=$boot_jdk_jvmargs
+
+
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking flags for boot jdk java command for big configurations " >&5
+$as_echo_n "checking flags for boot jdk java command for big configurations ... " >&6; }
+
   # Starting amount of heap memory.
 
   $ECHO "Check if jvm arg is ok: -Xms64M" >&5
@@ -25874,7 +25924,7 @@
   FOUND_WARN=`$ECHO "$OUTPUT" | grep -i warn`
   FOUND_VERSION=`$ECHO $OUTPUT | grep " version \""`
   if test "x$FOUND_VERSION" != x && test "x$FOUND_WARN" = x; then
-    boot_jdk_jvmargs="$boot_jdk_jvmargs -Xms64M"
+    boot_jdk_jvmargs_big="$boot_jdk_jvmargs_big -Xms64M"
     JVM_ARG_OK=true
   else
     $ECHO "Arg failed:" >&5
@@ -25903,7 +25953,7 @@
   FOUND_WARN=`$ECHO "$OUTPUT" | grep -i warn`
   FOUND_VERSION=`$ECHO $OUTPUT | grep " version \""`
   if test "x$FOUND_VERSION" != x && test "x$FOUND_WARN" = x; then
-    boot_jdk_jvmargs="$boot_jdk_jvmargs -Xmx$JVM_MAX_HEAP"
+    boot_jdk_jvmargs_big="$boot_jdk_jvmargs_big -Xmx$JVM_MAX_HEAP"
     JVM_ARG_OK=true
   else
     $ECHO "Arg failed:" >&5
@@ -25918,7 +25968,7 @@
   FOUND_WARN=`$ECHO "$OUTPUT" | grep -i warn`
   FOUND_VERSION=`$ECHO $OUTPUT | grep " version \""`
   if test "x$FOUND_VERSION" != x && test "x$FOUND_WARN" = x; then
-    boot_jdk_jvmargs="$boot_jdk_jvmargs -XX:ThreadStackSize=$STACK_SIZE"
+    boot_jdk_jvmargs_big="$boot_jdk_jvmargs_big -XX:ThreadStackSize=$STACK_SIZE"
     JVM_ARG_OK=true
   else
     $ECHO "Arg failed:" >&5
@@ -25927,15 +25977,25 @@
   fi
 
 
-  # Disable special log output when a debug build is used as Boot JDK...
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $boot_jdk_jvmargs_big" >&5
+$as_echo "$boot_jdk_jvmargs_big" >&6; }
 
-  $ECHO "Check if jvm arg is ok: -XX:-PrintVMOptions -XX:-UnlockDiagnosticVMOptions -XX:-LogVMOutput" >&5
-  $ECHO "Command: $JAVA -XX:-PrintVMOptions -XX:-UnlockDiagnosticVMOptions -XX:-LogVMOutput -version" >&5
-  OUTPUT=`$JAVA -XX:-PrintVMOptions -XX:-UnlockDiagnosticVMOptions -XX:-LogVMOutput -version 2>&1`
+  JAVA_FLAGS_BIG=$boot_jdk_jvmargs_big
+
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking flags for boot jdk java command for small configurations " >&5
+$as_echo_n "checking flags for boot jdk java command for small configurations ... " >&6; }
+
+  # Use serial gc for small short lived tools if possible
+
+  $ECHO "Check if jvm arg is ok: -XX:+UseSerialGC" >&5
+  $ECHO "Command: $JAVA -XX:+UseSerialGC -version" >&5
+  OUTPUT=`$JAVA -XX:+UseSerialGC -version 2>&1`
   FOUND_WARN=`$ECHO "$OUTPUT" | grep -i warn`
   FOUND_VERSION=`$ECHO $OUTPUT | grep " version \""`
   if test "x$FOUND_VERSION" != x && test "x$FOUND_WARN" = x; then
-    boot_jdk_jvmargs="$boot_jdk_jvmargs -XX:-PrintVMOptions -XX:-UnlockDiagnosticVMOptions -XX:-LogVMOutput"
+    boot_jdk_jvmargs_small="$boot_jdk_jvmargs_small -XX:+UseSerialGC"
     JVM_ARG_OK=true
   else
     $ECHO "Arg failed:" >&5
@@ -25944,15 +26004,13 @@
   fi
 
 
-  # Apply user provided options.
-
-  $ECHO "Check if jvm arg is ok: $with_boot_jdk_jvmargs" >&5
-  $ECHO "Command: $JAVA $with_boot_jdk_jvmargs -version" >&5
-  OUTPUT=`$JAVA $with_boot_jdk_jvmargs -version 2>&1`
+  $ECHO "Check if jvm arg is ok: -Xms32M" >&5
+  $ECHO "Command: $JAVA -Xms32M -version" >&5
+  OUTPUT=`$JAVA -Xms32M -version 2>&1`
   FOUND_WARN=`$ECHO "$OUTPUT" | grep -i warn`
   FOUND_VERSION=`$ECHO $OUTPUT | grep " version \""`
   if test "x$FOUND_VERSION" != x && test "x$FOUND_WARN" = x; then
-    boot_jdk_jvmargs="$boot_jdk_jvmargs $with_boot_jdk_jvmargs"
+    boot_jdk_jvmargs_small="$boot_jdk_jvmargs_small -Xms32M"
     JVM_ARG_OK=true
   else
     $ECHO "Arg failed:" >&5
@@ -25961,15 +26019,25 @@
   fi
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $boot_jdk_jvmargs" >&5
-$as_echo "$boot_jdk_jvmargs" >&6; }
+  $ECHO "Check if jvm arg is ok: -Xmx512M" >&5
+  $ECHO "Command: $JAVA -Xmx512M -version" >&5
+  OUTPUT=`$JAVA -Xmx512M -version 2>&1`
+  FOUND_WARN=`$ECHO "$OUTPUT" | grep -i warn`
+  FOUND_VERSION=`$ECHO $OUTPUT | grep " version \""`
+  if test "x$FOUND_VERSION" != x && test "x$FOUND_WARN" = x; then
+    boot_jdk_jvmargs_small="$boot_jdk_jvmargs_small -Xmx512M"
+    JVM_ARG_OK=true
+  else
+    $ECHO "Arg failed:" >&5
+    $ECHO "$OUTPUT" >&5
+    JVM_ARG_OK=false
+  fi
 
-  # For now, general JAVA_FLAGS are the same as the boot jdk jvmargs
-  JAVA_FLAGS=$boot_jdk_jvmargs
 
-  BOOT_JDK_JVMARGS=$boot_jdk_jvmargs
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $boot_jdk_jvmargs_small" >&5
+$as_echo "$boot_jdk_jvmargs_small" >&6; }
 
-  JAVA_FLAGS=$JAVA_FLAGS
+  JAVA_FLAGS_SMALL=$boot_jdk_jvmargs_small