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diff --git a/framework/src/ant/apache-ant-1.9.6/src/script/envset.cmd b/framework/src/ant/apache-ant-1.9.6/src/script/envset.cmd
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@@ -0,0 +1,131 @@
+/*
+
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+
+SET environment variables
+First optional parameter:
+   ;     parameters are considered parts of a path variable, semicolons are
+         appended to each element if not already present
+   -D    parameters are properties for Java or Makefile etc., -D will be
+         prepended and the parameters will be separated by a space
+   =D    the same as above but equal sign is not required
+   ,     parameters should be comma separated in the environment variable
+   -     parameters should be separated by the next parameter
+   Other values mean that the first parameter is missing and the environment
+   variable will be set to the space separated parameters
+
+Second parameter: name of the environment variable
+
+Next parameters: values
+; implies that the equal sign is considered a part of the parameter and is
+not interpreted
+
+-D requires parameters in the form name=value. If the equal sign is not found,
+the parameters are changed to name=expanded_name
+
+Other options have optional equal sign. If it is found, only the part after
+the equal sign will be oprionally expanded.
+
+If the parameter is the minus sign, the next parameter will not be expanded.
+If the parameter is a single dot, it will be replaced with the value of the
+environment variable as it existed before envset was invoked.
+
+For other parameters the batch looks for the environment variable with the
+same name (in uppercase). If it is found, it forms the expanded_name. If
+the environment variable with such a name does not exist, the expanded_name
+will hold the parameter name without case conversion.
+*/
+
+parse arg mode envar args
+
+equal = 0
+sep = ' '
+
+/* Parse command line parameters */
+select
+  when mode='-' then do
+    sep = envar
+    parse var args envar args
+  end
+  when mode=';' then do
+    sep = ''
+    equal = -1
+  end
+  when mode='-D' then equal = 1
+  when mode='=D' then mode = '-D'
+  when mode=',' then sep = ','
+otherwise
+  args = envar args
+  envar = mode
+  mode = ''
+end
+
+env = 'OS2ENVIRONMENT'
+envar = translate(envar)
+orig = value(envar,,env)
+newval = ''
+expand = 1
+
+/* for each parameter... */
+do i = 1 to words(args)
+  if expand > 0 & word(args, i) = '-' then expand = 0
+  else call addval word(args, i)
+end
+
+/* Optionally enclose path variable by quotes */
+if mode = ';' & pos(' ', newval) > 0 then newval = '"' || newval || '"'
+
+/* Set the new value, 'SET' cannot be used since it does not allow '=' */
+x = value(envar, newval, env)
+exit 0
+
+addval: procedure expose sep equal orig expand newval mode env
+parse arg var
+
+if var = '.' then expvar = orig
+else do
+  if equal >= 0 then do
+    parse var var name '=' val
+    if val = '' then var = name
+    else var = val
+  end
+  if expand = 0 then expvar = var
+  else expvar = value(translate(var),,env)
+  if expvar = '' then expvar = var
+  if equal >= 0 then do
+    if val = '' then do
+      parse var expvar key '=' val
+      if val <> '' then name = key
+      else do
+        if equal > 0 then val = key
+        else name = key
+      end
+    end
+    else val = expvar
+    if pos(' ', val) > 0 | pos('=', val) > 0 then val = '"' || val || '"'
+    if val = '' then expvar = name
+    else expvar = name || '=' || val
+  end
+  if mode = '-D' then expvar = '-D' || expvar
+  if mode = ';' then do
+    if right(expvar, 1) <> ';' then expvar = expvar || ';'
+  end
+end
+
+if newval = '' then newval = expvar
+else newval = newval || sep || expvar
+expand = 1
+return