ASSIGNED - bug 202466: Build installer for europa Java package
https://bugs.eclipse.org/bugs/show_bug.cgi?id=202466

releng/org.eclipse.epp.pde.build/build-macros.xml

diff --git a/releng/org.eclipse.epp.pde.build/build-macros.xml b/releng/org.eclipse.epp.pde.build/build-macros.xml
index 55b5f97..b633901 100644
--- a/releng/org.eclipse.epp.pde.build/build-macros.xml
+++ b/releng/org.eclipse.epp.pde.build/build-macros.xml
@@ -275,6 +275,26 @@
 			</sequential>
 		</macrodef>
 	
+	<!-- ================================================= 
+		Macro for checking that a file or directory exists.
+	-->
+	<macrodef name="checkfile">
+		<attribute name="file" />
+		<attribute name="message" default="Cannot find file: @{file}" />
+		<sequential>
+
+			<!-- Assert that the file exists -->
+			<fail message="@{message}">
+				<condition>
+					<not>
+						<available file="@{file}"/>
+					</not>
+				</condition>
+			</fail>
+
+		</sequential>
+	</macrodef>
+
 	<!-- - - - - -
 		create the latest project link and the link to the project set if one exists
 	- - - - - - - -->