Index: hsqldb/build/build.xml
===================================================================
--- hsqldb.orig/build/build.xml
+++ hsqldb/build/build.xml
@@ -257,6 +257,8 @@ examples:
 
     <target name="mdesc-hsqldbmin" depends="sw-hsqldbmin" if="ant.java.iscjava11" >
         <javac srcdir="${swsrcmin}"
+              source="8"
+              target="8"
                bootclasspath="${javac.bootcp.override}"
                sourcepath=""
                includeantruntime="false"
@@ -276,6 +278,8 @@ examples:
       <fail unless='_servlet_available'
             message="Place Jar file for Servlet API at '${servletapi.lib}', or set property 'servletapi.lib'"/>
       <javac srcdir="${swsrc}"
+            source="8"
+            target="8"
              bootclasspath="${javac.bootcp.override}"
              sourcepath=""
              includeantruntime="false"
@@ -290,6 +294,8 @@ examples:
     <target name="classes" depends="sw-hsqldb,-javajsse"
     description="compiles JVM-independent non-lib/util/cmdline/servlet classes">
       <javac srcdir="${swsrc}"
+            source="8"
+            target="8"
              bootclasspath="${javac.bootcp.override}"
              includeantruntime="false"
              encoding="${javac.encoding}"
@@ -331,6 +337,8 @@ examples:
     <target name="-util" depends="-prepare, sw-hsqldb"
             description="compiles the util folder">
       <javac srcdir="${swsrc}"
+            source="8"
+            target="8"
              bootclasspath="${javac.bootcp.override}"
              includeantruntime="false"
              encoding="${javac.encoding}"
@@ -349,6 +357,8 @@ examples:
       <!-- This javac is no longer dependent upon default attr. includeAntRuntime=true -->
       <!-- Ant resolver and preprocessor moved to trunk/integration/ant/prepocessor/src -->
       <javac srcdir="src"
+            source="8"
+            target="8"
              bootclasspath="${javac.bootcp.override}"
              encoding="${javac.encoding}"
              destdir="classes"
@@ -364,6 +374,8 @@ examples:
                      -conditionalize-sqlfile-scanner, -sqlfile-scanner">
 
       <javac srcdir="${swsrctool}"
+            source="8"
+            target="8"
              bootclasspath="${javac.bootcp.override}"
              includeantruntime="false"
              encoding="${javac.encoding}"
@@ -390,6 +402,8 @@ examples:
     <target name="-swing" depends="sw-hsqldb"
             description="compiles the swing based classes in the util folder">
       <javac srcdir="${swsrc}"
+            source="8"
+            target="8"
              bootclasspath="${javac.bootcp.override}"
              includeantruntime="false"
              encoding="${javac.encoding}"
@@ -415,6 +429,8 @@ examples:
     <target name="scanner-driver" depends="-cmdline"
             description="Build Scanner Driver.  For SqlTool scanner developers.">
       <javac srcdir="${swsrc}"
+            source="8"
+            target="8"
              bootclasspath="${javac.bootcp.override}"
              includeantruntime="false"
              encoding="${javac.encoding}"