diff --git a/library/server/ewf_support/ewf_support-safe.ecf b/library/server/ewf_support/ewf_support-safe.ecf
new file mode 100644
index 00000000..dfe77fe2
--- /dev/null
+++ b/library/server/ewf_support/ewf_support-safe.ecf
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-10-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-10-0 http://www.eiffel.com/developers/xml/configuration-1-10-0.xsd" name="ewf_support" uuid="BDBAA858-2658-4169-A44A-0BB61E3B40E7" library_target="ewf_support">
+	<target name="ewf_support">
+		<root all_classes="true"/>
+		<file_rule>
+			<exclude>/.git$</exclude>
+			<exclude>/EIFGENs$</exclude>
+			<exclude>/.svn$</exclude>
+		</file_rule>
+		<option warning="true" full_class_checking="true" is_attached_by_default="true" void_safety="all" syntax="standard">
+		</option>
+		<library name="base" location="$ISE_LIBRARY\library\base\base-safe.ecf"/>
+		<cluster name="src" location=".\src\" recursive="false">
+			<cluster name="before_72" location="$|before_72\">
+				<condition>
+					<version type="compiler" max="7.1.9.9999"/>
+				</condition>
+			</cluster>
+			<cluster name="greater_or_72" location="$|greater_or_72\">
+				<condition>
+					<version type="compiler" min="7.2.0.0"/>
+				</condition>
+			</cluster>
+		</cluster>
+	</target>
+</system>
diff --git a/library/server/ewf_support/ewf_support.ecf b/library/server/ewf_support/ewf_support.ecf
new file mode 100644
index 00000000..b3e7d50b
--- /dev/null
+++ b/library/server/ewf_support/ewf_support.ecf
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-8-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-8-0 http://www.eiffel.com/developers/xml/configuration-1-8-0.xsd" name="ewf_support" uuid="BDBAA858-2658-4169-A44A-0BB61E3B40E7" library_target="ewf_support">
+	<target name="ewf_support">
+		<root all_classes="true"/>
+		<file_rule>
+			<exclude>/.git$</exclude>
+			<exclude>/EIFGENs$</exclude>
+			<exclude>/.svn$</exclude>
+		</file_rule>
+		<option warning="true" full_class_checking="true" void_safety="none" syntax="standard">
+		</option>
+		<library name="base" location="$ISE_LIBRARY/library/base/base.ecf"/>
+		<cluster name="src" location="./src" recursive="true"/>
+	</target>
+</system>
diff --git a/library/server/ewf_support/src/before_72/shared_execution_environment.e b/library/server/ewf_support/src/before_72/shared_execution_environment.e
new file mode 100644
index 00000000..9c40c09d
--- /dev/null
+++ b/library/server/ewf_support/src/before_72/shared_execution_environment.e
@@ -0,0 +1,49 @@
+note
+	description: "Shared instance of execution environment."
+	legal: "See notice at end of class."
+	status: "See notice at end of class."
+	date: "$Date$"
+	revision: "$Revision$"
+class
+	SHARED_EXECUTION_ENVIRONMENT
+
+feature {NONE}
+
+	Execution_environment: EXECUTION_ENVIRONMENT
+		once
+			create Result
+		end
+
+note
+	copyright: "Copyright (c) 2012, Eiffel Software"
+	license: "GPL version 2 (see http://www.eiffel.com/licensing/gpl.txt)"
+	licensing_options: "http://www.eiffel.com/licensing"
+	copying: "[
+		This file is part of Eiffel Software's Eiffel Development Environment.
+		
+		Eiffel Software's Eiffel Development Environment is free
+		software; you can redistribute it and/or modify it under
+		the terms of the GNU General Public License as published
+		by the Free Software Foundation, version 2 of the License
+		(available at the URL listed under "license" above).
+		
+		Eiffel Software's Eiffel Development Environment is
+		distributed in the hope that it will be useful, but
+		WITHOUT ANY WARRANTY; without even the implied warranty
+		of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+		See the GNU General Public License for more details.
+		
+		You should have received a copy of the GNU General Public
+		License along with Eiffel Software's Eiffel Development
+		Environment; if not, write to the Free Software Foundation,
+		Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+	]"
+	source: "[
+		Eiffel Software
+		5949 Hollister Ave., Goleta, CA 93117 USA
+		Telephone 805-685-1006, Fax 805-685-6869
+		Website http://www.eiffel.com
+		Customer support http://support.eiffel.com
+	]"
+
+end
diff --git a/library/server/ewf_support/src/before_72/wsf_support.e b/library/server/ewf_support/src/before_72/wsf_support.e
new file mode 100644
index 00000000..01d44f27
--- /dev/null
+++ b/library/server/ewf_support/src/before_72/wsf_support.e
@@ -0,0 +1,29 @@
+note
+	description: "[
+				The WSF_SUPPORT class is meant to handle incompatibilities between version of libraries
+				And still allow to benefit from most recent improvements.
+
+				Unicode is an example
+			]"
+	date: "$Date$"
+	revision: "$Revision$"
+
+class
+	WSF_SUPPORT
+
+inherit
+	ANY
+
+	SHARED_EXECUTION_ENVIRONMENT
+		export
+			{NONE} all
+		end
+
+feature -- Access: environment
+
+	starting_environment: HASH_TABLE [READABLE_STRING_GENERAL, READABLE_STRING_GENERAL]
+		do
+			Result := execution_environment.starting_environment_variables
+		end
+
+end
diff --git a/library/server/ewf_support/src/greater_or_72/wsf_support.e b/library/server/ewf_support/src/greater_or_72/wsf_support.e
new file mode 100644
index 00000000..b2c2cdb4
--- /dev/null
+++ b/library/server/ewf_support/src/greater_or_72/wsf_support.e
@@ -0,0 +1,29 @@
+note
+	description: "[
+				The WSF_SUPPORT class is meant to handle incompatibilities between version of libraries
+				And still allow to benefit from most recent improvements.
+				
+				Unicode is an example
+			]"
+	date: "$Date$"
+	revision: "$Revision$"
+
+class
+	WSF_SUPPORT
+
+inherit
+	ANY
+
+	SHARED_EXECUTION_ENVIRONMENT
+		export
+			{NONE} all
+		end
+
+feature -- Access: environment
+
+	starting_environment: HASH_TABLE [READABLE_STRING_GENERAL, READABLE_STRING_GENERAL]
+		do
+			Result := execution_environment.starting_environment
+		end
+
+end