Improve reliability of Java code rebuilds

* java/Makefile.in ($(CLASS_FILES)): Depend on the Java
compiler's internal dependency tracking.

diff --git a/java/Makefile.in b/java/Makefile.in
index 482419f07fa876135cad520e84efca8b83bd5ce5..af44d551701935e386de68d5033b10a5a4633f9f 100644 (file)
--- a/java/Makefile.in
+++ b/java/Makefile.in
@@ -257,8 +257,8 @@ $(RESOURCE_FILE): $(RESOURCE_FILES)
 $(CLASS_FILES): $(RESOURCE_FILE)
 
 .SUFFIXES: .java .class
-.java.class &:
-       $(AM_V_JAVAC) $(JAVAC) $(JAVAFLAGS) $<
+$(CLASS_FILES) &: $(JAVA_FILES)
+       $(AM_V_JAVAC) $(JAVAC) $(JAVAFLAGS) $(JAVA_FILES)
 
 # N.B. that find must be called all over again in case javac generated
 # nested classes.