diff --git a/eclipse.platform.ui/features/org.eclipse.e4.rcp/feature.xml b/eclipse.platform.ui/features/org.eclipse.e4.rcp/feature.xml
index 7e1f520..734dd10 100644
--- a/eclipse.platform.ui/features/org.eclipse.e4.rcp/feature.xml
+++ b/eclipse.platform.ui/features/org.eclipse.e4.rcp/feature.xml
@@ -393,6 +393,16 @@
          unpack="false"/>
 
    <plugin
+         id="org.eclipse.equinox.launcher.gtk.linux.s390x"
+         os="linux"
+         ws="gtk"
+         arch="s390x"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         fragment="true"/>
+
+   <plugin
          id="org.eclipse.equinox.launcher.cocoa.macosx.x86_64"
          os="macosx"
          ws="cocoa"
@@ -480,6 +510,28 @@
          download-size="0"
          install-size="0"
          version="0.0.0"
+         fragment="true"
+         unpack="false"/>
+
+   <plugin
+         id="org.eclipse.swt.gtk.linux.s390x"
+         os="linux"
+         ws="gtk"
+         arch="s390x"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         fragment="true"
+         unpack="false"/>
+
+   <plugin
+         id="org.eclipse.swt.gtk.linux.aarch64"
+         os="linux"
+         ws="gtk"
+         arch="aarch64"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
          fragment="true"
          unpack="false"/>
 
--- a/rt.equinox.framework/features/org.eclipse.equinox.executable.feature/pom.xml	2014-11-28 15:09:42.000000000 +0000
+++ b/rt.equinox.framework/features/org.eclipse.equinox.executable.feature/pom.xml	2014-11-28 16:52:00.315007846 +0000
@@ -125,6 +125,7 @@
                         <include name="cocoa/macosx/x86_64/**/*"/>
                         <include name="gtk/linux/ppc64le/**/*"/>
                         <include name="gtk/linux/aarch64/**/*"/>
+                        <include name="gtk/linux/s390x/**/*"/>
                         <include name="gtk/linux/x86_64/**/*"/>
                         <include name="win32/win32/x86_64/**/*"/>
                       </fileset>
--- a/rt.equinox.framework/features/org.eclipse.equinox.executable.feature/build.properties	2015-01-30 14:44:03.436891441 +0000
+++ b/rt.equinox.framework/features/org.eclipse.equinox.executable.feature/build.properties	2015-01-30 14:45:25.232480509 +0000
@@ -35,3 +35,6 @@
 
 root.linux.gtk.x86_64=bin/gtk/linux/x86_64,gtk_root
 root.linux.gtk.x86_64.permissions.755=libcairo-swt.so
+
+root.linux.gtk.s390x=bin/gtk/linux/s390x,gtk_root
+root.linux.gtk.s390x.permissions.755=launcher
--- a/eclipse.platform.swt.binaries/pom.xml	2017-04-05 01:57:59.142576722 +0100
+++ b/eclipse.platform.swt.binaries/pom.xml	2017-04-05 02:00:00.153247342 +0100
@@ -56,6 +56,7 @@
     <module>bundles/org.eclipse.swt.cocoa.macosx.x86_64</module>
     <module>bundles/org.eclipse.swt.gtk.linux.aarch64</module>
     <module>bundles/org.eclipse.swt.gtk.linux.ppc64le</module>
+    <module>bundles/org.eclipse.swt.gtk.linux.s390x</module>
     <module>bundles/org.eclipse.swt.gtk.linux.x86_64</module>
     <module>bundles/org.eclipse.swt.win32.win32.x86_64</module>
     <module>bundles/org.eclipse.swt.browser.chromium.cocoa.macosx.x86_64</module>
--- a/eclipse.platform.swt/bundles/org.eclipse.swt/META-INF/p2.inf	2017-04-21 10:15:34.857977599 +0100
+++ b/eclipse.platform.swt/bundles/org.eclipse.swt/META-INF/p2.inf	2017-04-21 10:18:22.878025820 +0100
@@ -29,3 +29,8 @@
 requires.6.name = org.eclipse.swt.gtk.linux.aarch64
 requires.6.range = [$version$,$version$]
 requires.6.filter = (&(osgi.os=linux)(osgi.ws=gtk)(osgi.arch=aarch64)(!(org.eclipse.swt.buildtime=true)))
+
+requires.7.namespace = org.eclipse.equinox.p2.iu
+requires.7.name = org.eclipse.swt.gtk.linux.s390x
+requires.7.range = [$version$,$version$]
+requires.7.filter = (&(osgi.os=linux)(osgi.ws=gtk)(osgi.arch=s390x)(!(org.eclipse.swt.buildtime=true)))
--- a/rt.equinox.framework/features/org.eclipse.equinox.executable.feature/library/gtk/build.sh	2017-04-19 13:31:15.000000000 +0100
+++ b/rt.equinox.framework/features/org.eclipse.equinox.executable.feature/library/gtk/build.sh	2017-04-23 16:58:34.022207885 +0100
@@ -100,7 +100,7 @@
 			"s390x")
 				defaultOSArch="s390x"
 				defaultJava=DEFAULT_JAVA_EXEC
-				OUTPUT_DIR="$EXEC_DIR/contributed/$defaultWS/$defaultOS/$defaultOSArch"
+				OUTPUT_DIR="$EXEC_DIR/bin/$defaultWS/$defaultOS/$defaultOSArch"
 				;;
             "aarch64")
 				defaultOSArch="aarch64"
--- a/rt.equinox.framework/pom.xml	2017-04-26 22:19:15.548461372 +0100
+++ b/rt.equinox.framework/pom.xml	2017-04-26 22:20:41.348571492 +0100
@@ -77,6 +77,18 @@
 	<module>bundles/org.eclipse.equinox.launcher.gtk.linux.aarch64</module>
       </modules>
     </profile>
+    <profile>
+      <id>build-native-launchers-gtk.linux.s390x</id>
+      <activation>
+	<property>
+	  <name>native</name>
+	  <value>gtk.linux.s390x</value>
+        </property>
+      </activation>
+      <modules>
+	<module>bundles/org.eclipse.equinox.launcher.gtk.linux.s390x</module>
+      </modules>
+    </profile>
   </profiles>
 
   <modules>