diff --git a/BUILDING.txt b/BUILDING.txt
index 1338442..416d8c1 100644
--- a/BUILDING.txt
+++ b/BUILDING.txt
@@ -469,6 +469,13 @@
 library to be used directly from Java applications.  See java/README for more
 details.
 
+If you are using CMake 2.8, you can set the Java_JAVAC_EXECUTABLE,
+Java_JAVA_EXECUTABLE, and Java_JAR_EXECUTABLE CMake variables to specify
+alternate commands or locations for javac, jar, and java (respectively.)  If
+you are using CMake 2.6, set JAVA_COMPILE, JAVA_RUNTIME, and JAVA_ARCHIVE
+instead.  You can also set the JAVACFLAGS CMake variable to specify arguments
+that should be passed to the Java compiler when building the front-end classes.
+
 
 ========================
 Installing libjpeg-turbo