Releng: use previous SDK for installing the previous compiler into
diff --git a/releng/build-scripts/build/run.properties b/releng/build-scripts/build/run.properties
index 2a37d7a..73d4f4f 100644
--- a/releng/build-scripts/build/run.properties
+++ b/releng/build-scripts/build/run.properties
@@ -19,7 +19,8 @@
# ------------- insert current versions here ---------------
# Details of the boot Eclipse SDK:
-run.eclipseScriptDir=plugins/org.eclipse.pde.build_3.10.400.v20190320-1020/scripts
+run.eclipseScriptDir=plugins/org.eclipse.pde.build_3.10.300.v20190305-0856/scripts
+# Details of the Eclipse SDK built upon:
org.eclipse.equinox.launcher_jar=org.eclipse.equinox.launcher_1.5.300.v20190213-1655.jar
# for patching our patch feature to match this version with any suffix: