enhance JDK run-command script

jdk-sun/jdk-sun.spec

@@ -40,7 +40,7 @@ Distribution: OpenPKG [EXP]
 Group:        Language
 License:      Commercial
 Version:      %{V_openpkg}
-Release:      20011227
+Release:      20020103
 
 #   list of sources
 Source0:      j2sdk-%{V_sunjava}-linux-i386.bin

jdk-sun/rc.jdk-sun

@@ -3,7 +3,13 @@
 ##  rc.jdk-sun -- Run-Commands for Sun Java 2 Software Development Kit
 ##
 
+%config
+    jdk_enable="yes"
+    jdk_home="@l_prefix@/libexec/jdk-sun"
+
 %env
-    JAVA_HOME="@l_prefix@/libexec/jdk-sun"
-    export JAVA_HOME
+    if opServiceEnabled jdk; then
+        JAVA_HOME="$jdk_home"
+        export JAVA_HOME
+    fi